diff options
-rw-r--r-- | cpu-arm.h | 63 | ||||
-rw-r--r-- | cpu-i386.h | 401 | ||||
-rw-r--r-- | exec-all.h (renamed from exec.h) | 0 | ||||
-rw-r--r-- | exec-arm.h | 40 | ||||
-rw-r--r-- | exec-i386.h | 416 | ||||
-rw-r--r-- | helper-i386.c | 1803 | ||||
-rw-r--r-- | helper2-i386.c | 390 | ||||
-rw-r--r-- | op-arm-template.h | 48 | ||||
-rw-r--r-- | op-arm.c | 673 | ||||
-rw-r--r-- | op-i386.c | 2054 | ||||
-rw-r--r-- | opreg_template.h | 134 | ||||
-rw-r--r-- | ops_mem.h | 66 | ||||
-rw-r--r-- | ops_template.h | 617 | ||||
-rw-r--r-- | ops_template_mem.h | 429 | ||||
-rw-r--r-- | qemu-mkcow.c (renamed from vlmkcow.c) | 0 | ||||
-rw-r--r-- | syscall-arm.h | 28 | ||||
-rw-r--r-- | syscall-i386.h | 220 | ||||
-rw-r--r-- | translate-all.c (renamed from translate.c) | 31 | ||||
-rw-r--r-- | translate-arm.c | 903 | ||||
-rw-r--r-- | translate-i386.c | 4487 |
20 files changed, 9 insertions, 12794 deletions
diff --git a/cpu-arm.h b/cpu-arm.h deleted file mode 100644 index 7f755a7541..0000000000 --- a/cpu-arm.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * ARM virtual CPU header - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef CPU_ARM_H -#define CPU_ARM_H - -#include "cpu-defs.h" - -#define EXCP_UDEF 1 /* undefined instruction */ -#define EXCP_SWI 2 /* software interrupt */ - -typedef struct CPUARMState { - uint32_t regs[16]; - uint32_t cpsr; - - /* cpsr flag cache for faster execution */ - uint32_t CF; /* 0 or 1 */ - uint32_t VF; /* V is the bit 31. All other bits are undefined */ - uint32_t NZF; /* N is bit 31. Z is computed from NZF */ - - /* exception/interrupt handling */ - jmp_buf jmp_env; - int exception_index; - int interrupt_request; - struct TranslationBlock *current_tb; - int user_mode_only; - - /* user data */ - void *opaque; -} CPUARMState; - -CPUARMState *cpu_arm_init(void); -int cpu_arm_exec(CPUARMState *s); -void cpu_arm_close(CPUARMState *s); -/* you can call this signal handler from your SIGBUS and SIGSEGV - signal handlers to inform the virtual CPU of exceptions. non zero - is returned if the signal was handled by the virtual CPU. */ -struct siginfo; -int cpu_arm_signal_handler(int host_signum, struct siginfo *info, - void *puc); - -void cpu_arm_dump_state(CPUARMState *env, FILE *f, int flags); - -#define TARGET_PAGE_BITS 12 -#include "cpu-all.h" - -#endif diff --git a/cpu-i386.h b/cpu-i386.h deleted file mode 100644 index ffc4654d34..0000000000 --- a/cpu-i386.h +++ /dev/null @@ -1,401 +0,0 @@ -/* - * i386 virtual CPU header - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef CPU_I386_H -#define CPU_I386_H - -#include "cpu-defs.h" - -#define R_EAX 0 -#define R_ECX 1 -#define R_EDX 2 -#define R_EBX 3 -#define R_ESP 4 -#define R_EBP 5 -#define R_ESI 6 -#define R_EDI 7 - -#define R_AL 0 -#define R_CL 1 -#define R_DL 2 -#define R_BL 3 -#define R_AH 4 -#define R_CH 5 -#define R_DH 6 -#define R_BH 7 - -#define R_ES 0 -#define R_CS 1 -#define R_SS 2 -#define R_DS 3 -#define R_FS 4 -#define R_GS 5 - -/* segment descriptor fields */ -#define DESC_G_MASK (1 << 23) -#define DESC_B_SHIFT 22 -#define DESC_B_MASK (1 << DESC_B_SHIFT) -#define DESC_AVL_MASK (1 << 20) -#define DESC_P_MASK (1 << 15) -#define DESC_DPL_SHIFT 13 -#define DESC_S_MASK (1 << 12) -#define DESC_TYPE_SHIFT 8 -#define DESC_A_MASK (1 << 8) - -#define DESC_CS_MASK (1 << 11) -#define DESC_C_MASK (1 << 10) -#define DESC_R_MASK (1 << 9) - -#define DESC_E_MASK (1 << 10) -#define DESC_W_MASK (1 << 9) - -/* eflags masks */ -#define CC_C 0x0001 -#define CC_P 0x0004 -#define CC_A 0x0010 -#define CC_Z 0x0040 -#define CC_S 0x0080 -#define CC_O 0x0800 - -#define TF_SHIFT 8 -#define IOPL_SHIFT 12 -#define VM_SHIFT 17 - -#define TF_MASK 0x00000100 -#define IF_MASK 0x00000200 -#define DF_MASK 0x00000400 -#define IOPL_MASK 0x00003000 -#define NT_MASK 0x00004000 -#define RF_MASK 0x00010000 -#define VM_MASK 0x00020000 -#define AC_MASK 0x00040000 -#define VIF_MASK 0x00080000 -#define VIP_MASK 0x00100000 -#define ID_MASK 0x00200000 - -/* hidden flags - used internally by qemu to represent additionnal cpu - states. Only the CPL and INHIBIT_IRQ are not redundant. We avoid - using the IOPL_MASK, TF_MASK and VM_MASK bit position to ease oring - with eflags. */ -/* current cpl */ -#define HF_CPL_SHIFT 0 -/* true if soft mmu is being used */ -#define HF_SOFTMMU_SHIFT 2 -/* true if hardware interrupts must be disabled for next instruction */ -#define HF_INHIBIT_IRQ_SHIFT 3 -/* 16 or 32 segments */ -#define HF_CS32_SHIFT 4 -#define HF_SS32_SHIFT 5 -/* zero base for DS, ES and SS */ -#define HF_ADDSEG_SHIFT 6 - -#define HF_CPL_MASK (3 << HF_CPL_SHIFT) -#define HF_SOFTMMU_MASK (1 << HF_SOFTMMU_SHIFT) -#define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT) -#define HF_CS32_MASK (1 << HF_CS32_SHIFT) -#define HF_SS32_MASK (1 << HF_SS32_SHIFT) -#define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT) - -#define CR0_PE_MASK (1 << 0) -#define CR0_TS_MASK (1 << 3) -#define CR0_WP_MASK (1 << 16) -#define CR0_AM_MASK (1 << 18) -#define CR0_PG_MASK (1 << 31) - -#define CR4_VME_MASK (1 << 0) -#define CR4_PVI_MASK (1 << 1) -#define CR4_TSD_MASK (1 << 2) -#define CR4_DE_MASK (1 << 3) -#define CR4_PSE_MASK (1 << 4) - -#define PG_PRESENT_BIT 0 -#define PG_RW_BIT 1 -#define PG_USER_BIT 2 -#define PG_PWT_BIT 3 -#define PG_PCD_BIT 4 -#define PG_ACCESSED_BIT 5 -#define PG_DIRTY_BIT 6 -#define PG_PSE_BIT 7 -#define PG_GLOBAL_BIT 8 - -#define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) -#define PG_RW_MASK (1 << PG_RW_BIT) -#define PG_USER_MASK (1 << PG_USER_BIT) -#define PG_PWT_MASK (1 << PG_PWT_BIT) -#define PG_PCD_MASK (1 << PG_PCD_BIT) -#define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) -#define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) -#define PG_PSE_MASK (1 << PG_PSE_BIT) -#define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) - -#define PG_ERROR_W_BIT 1 - -#define PG_ERROR_P_MASK 0x01 -#define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) -#define PG_ERROR_U_MASK 0x04 -#define PG_ERROR_RSVD_MASK 0x08 - -#define MSR_IA32_APICBASE 0x1b -#define MSR_IA32_APICBASE_BSP (1<<8) -#define MSR_IA32_APICBASE_ENABLE (1<<11) -#define MSR_IA32_APICBASE_BASE (0xfffff<<12) - -#define MSR_IA32_SYSENTER_CS 0x174 -#define MSR_IA32_SYSENTER_ESP 0x175 -#define MSR_IA32_SYSENTER_EIP 0x176 - -#define EXCP00_DIVZ 0 -#define EXCP01_SSTP 1 -#define EXCP02_NMI 2 -#define EXCP03_INT3 3 -#define EXCP04_INTO 4 -#define EXCP05_BOUND 5 -#define EXCP06_ILLOP 6 -#define EXCP07_PREX 7 -#define EXCP08_DBLE 8 -#define EXCP09_XERR 9 -#define EXCP0A_TSS 10 -#define EXCP0B_NOSEG 11 -#define EXCP0C_STACK 12 -#define EXCP0D_GPF 13 -#define EXCP0E_PAGE 14 -#define EXCP10_COPR 16 -#define EXCP11_ALGN 17 -#define EXCP12_MCHK 18 - -enum { - CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ - CC_OP_EFLAGS, /* all cc are explicitely computed, CC_SRC = flags */ - CC_OP_MUL, /* modify all flags, C, O = (CC_SRC != 0) */ - - CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ - CC_OP_ADDW, - CC_OP_ADDL, - - CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ - CC_OP_ADCW, - CC_OP_ADCL, - - CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ - CC_OP_SUBW, - CC_OP_SUBL, - - CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ - CC_OP_SBBW, - CC_OP_SBBL, - - CC_OP_LOGICB, /* modify all flags, CC_DST = res */ - CC_OP_LOGICW, - CC_OP_LOGICL, - - CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */ - CC_OP_INCW, - CC_OP_INCL, - - CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */ - CC_OP_DECW, - CC_OP_DECL, - - CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ - CC_OP_SHLW, - CC_OP_SHLL, - - CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ - CC_OP_SARW, - CC_OP_SARL, - - CC_OP_NB, -}; - -#ifdef __i386__ -#define USE_X86LDOUBLE -#endif - -#ifdef USE_X86LDOUBLE -typedef long double CPU86_LDouble; -#else -typedef double CPU86_LDouble; -#endif - -typedef struct SegmentCache { - uint32_t selector; - uint8_t *base; - uint32_t limit; - uint32_t flags; -} SegmentCache; - -typedef struct CPUX86State { - /* standard registers */ - uint32_t regs[8]; - uint32_t eip; - uint32_t eflags; /* eflags register. During CPU emulation, CC - flags and DF are set to zero because they are - stored elsewhere */ - - /* emulator internal eflags handling */ - uint32_t cc_src; - uint32_t cc_dst; - uint32_t cc_op; - int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ - uint32_t hflags; /* hidden flags, see HF_xxx constants */ - - /* FPU state */ - unsigned int fpstt; /* top of stack index */ - unsigned int fpus; - unsigned int fpuc; - uint8_t fptags[8]; /* 0 = valid, 1 = empty */ - CPU86_LDouble fpregs[8]; - - /* emulator internal variables */ - CPU86_LDouble ft0; - union { - float f; - double d; - int i32; - int64_t i64; - } fp_convert; - - /* segments */ - SegmentCache segs[6]; /* selector values */ - SegmentCache ldt; - SegmentCache tr; - SegmentCache gdt; /* only base and limit are used */ - SegmentCache idt; /* only base and limit are used */ - - /* sysenter registers */ - uint32_t sysenter_cs; - uint32_t sysenter_esp; - uint32_t sysenter_eip; - - /* exception/interrupt handling */ - jmp_buf jmp_env; - int exception_index; - int error_code; - int exception_is_int; - int exception_next_eip; - struct TranslationBlock *current_tb; /* currently executing TB */ - uint32_t cr[5]; /* NOTE: cr1 is unused */ - uint32_t dr[8]; /* debug registers */ - int interrupt_request; - int user_mode_only; /* user mode only simulation */ - - /* soft mmu support */ - /* 0 = kernel, 1 = user */ - CPUTLBEntry tlb_read[2][CPU_TLB_SIZE]; - CPUTLBEntry tlb_write[2][CPU_TLB_SIZE]; - - /* ice debug support */ - uint32_t breakpoints[MAX_BREAKPOINTS]; - int nb_breakpoints; - int singlestep_enabled; - - /* user data */ - void *opaque; -} CPUX86State; - -#ifndef IN_OP_I386 -void cpu_x86_outb(CPUX86State *env, int addr, int val); -void cpu_x86_outw(CPUX86State *env, int addr, int val); -void cpu_x86_outl(CPUX86State *env, int addr, int val); -int cpu_x86_inb(CPUX86State *env, int addr); -int cpu_x86_inw(CPUX86State *env, int addr); -int cpu_x86_inl(CPUX86State *env, int addr); -#endif - -CPUX86State *cpu_x86_init(void); -int cpu_x86_exec(CPUX86State *s); -void cpu_x86_close(CPUX86State *s); -int cpu_x86_get_pic_interrupt(CPUX86State *s); - -/* this function must always be used to load data in the segment - cache: it synchronizes the hflags with the segment cache values */ -static inline void cpu_x86_load_seg_cache(CPUX86State *env, - int seg_reg, unsigned int selector, - uint8_t *base, unsigned int limit, - unsigned int flags) -{ - SegmentCache *sc; - unsigned int new_hflags; - - sc = &env->segs[seg_reg]; - sc->selector = selector; - sc->base = base; - sc->limit = limit; - sc->flags = flags; - - /* update the hidden flags */ - new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) - >> (DESC_B_SHIFT - HF_CS32_SHIFT); - new_hflags |= (env->segs[R_SS].flags & DESC_B_MASK) - >> (DESC_B_SHIFT - HF_SS32_SHIFT); - if (!(env->cr[0] & CR0_PE_MASK) || (env->eflags & VM_MASK)) { - /* XXX: try to avoid this test. The problem comes from the - fact that is real mode or vm86 mode we only modify the - 'base' and 'selector' fields of the segment cache to go - faster. A solution may be to force addseg to one in - translate-i386.c. */ - new_hflags |= HF_ADDSEG_MASK; - } else { - new_hflags |= (((unsigned long)env->segs[R_DS].base | - (unsigned long)env->segs[R_ES].base | - (unsigned long)env->segs[R_SS].base) != 0) << - HF_ADDSEG_SHIFT; - } - env->hflags = (env->hflags & - ~(HF_CS32_MASK | HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; -} - -/* wrapper, just in case memory mappings must be changed */ -static inline void cpu_x86_set_cpl(CPUX86State *s, int cpl) -{ -#if HF_CPL_MASK == 3 - s->hflags = (s->hflags & ~HF_CPL_MASK) | cpl; -#else -#error HF_CPL_MASK is hardcoded -#endif -} - -/* the following helpers are only usable in user mode simulation as - they can trigger unexpected exceptions */ -void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector); -void cpu_x86_fsave(CPUX86State *s, uint8_t *ptr, int data32); -void cpu_x86_frstor(CPUX86State *s, uint8_t *ptr, int data32); - -/* you can call this signal handler from your SIGBUS and SIGSEGV - signal handlers to inform the virtual CPU of exceptions. non zero - is returned if the signal was handled by the virtual CPU. */ -struct siginfo; -int cpu_x86_signal_handler(int host_signum, struct siginfo *info, - void *puc); - -/* MMU defines */ -void cpu_x86_init_mmu(CPUX86State *env); -extern int phys_ram_size; -extern int phys_ram_fd; -extern uint8_t *phys_ram_base; - -/* used to debug */ -#define X86_DUMP_FPU 0x0001 /* dump FPU state too */ -#define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */ -void cpu_x86_dump_state(CPUX86State *env, FILE *f, int flags); - -#define TARGET_PAGE_BITS 12 -#include "cpu-all.h" - -#endif /* CPU_I386_H */ diff --git a/exec-arm.h b/exec-arm.h deleted file mode 100644 index e838e88239..0000000000 --- a/exec-arm.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - * ARM execution defines - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "dyngen-exec.h" - -register struct CPUARMState *env asm(AREG0); -register uint32_t T0 asm(AREG1); -register uint32_t T1 asm(AREG2); -register uint32_t T2 asm(AREG3); - -#include "cpu-arm.h" -#include "exec.h" - -void cpu_lock(void); -void cpu_unlock(void); -void cpu_loop_exit(void); - -static inline int compute_cpsr(void) -{ - int ZF; - ZF = (env->NZF == 0); - return env->cpsr | (env->NZF & 0x80000000) | (ZF << 30) | - (env->CF << 29) | ((env->VF & 0x80000000) >> 3); -} diff --git a/exec-i386.h b/exec-i386.h deleted file mode 100644 index 96ad04e8e8..0000000000 --- a/exec-i386.h +++ /dev/null @@ -1,416 +0,0 @@ -/* - * i386 execution defines - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "dyngen-exec.h" - -/* at least 4 register variables are defines */ -register struct CPUX86State *env asm(AREG0); -register uint32_t T0 asm(AREG1); -register uint32_t T1 asm(AREG2); -register uint32_t T2 asm(AREG3); - -#define A0 T2 - -/* if more registers are available, we define some registers too */ -#ifdef AREG4 -register uint32_t EAX asm(AREG4); -#define reg_EAX -#endif - -#ifdef AREG5 -register uint32_t ESP asm(AREG5); -#define reg_ESP -#endif - -#ifdef AREG6 -register uint32_t EBP asm(AREG6); -#define reg_EBP -#endif - -#ifdef AREG7 -register uint32_t ECX asm(AREG7); -#define reg_ECX -#endif - -#ifdef AREG8 -register uint32_t EDX asm(AREG8); -#define reg_EDX -#endif - -#ifdef AREG9 -register uint32_t EBX asm(AREG9); -#define reg_EBX -#endif - -#ifdef AREG10 -register uint32_t ESI asm(AREG10); -#define reg_ESI -#endif - -#ifdef AREG11 -register uint32_t EDI asm(AREG11); -#define reg_EDI -#endif - -extern FILE *logfile; -extern int loglevel; - -#ifndef reg_EAX -#define EAX (env->regs[R_EAX]) -#endif -#ifndef reg_ECX -#define ECX (env->regs[R_ECX]) -#endif -#ifndef reg_EDX -#define EDX (env->regs[R_EDX]) -#endif -#ifndef reg_EBX -#define EBX (env->regs[R_EBX]) -#endif -#ifndef reg_ESP -#define ESP (env->regs[R_ESP]) -#endif -#ifndef reg_EBP -#define EBP (env->regs[R_EBP]) -#endif -#ifndef reg_ESI -#define ESI (env->regs[R_ESI]) -#endif -#ifndef reg_EDI -#define EDI (env->regs[R_EDI]) -#endif -#define EIP (env->eip) -#define DF (env->df) - -#define CC_SRC (env->cc_src) -#define CC_DST (env->cc_dst) -#define CC_OP (env->cc_op) - -/* float macros */ -#define FT0 (env->ft0) -#define ST0 (env->fpregs[env->fpstt]) -#define ST(n) (env->fpregs[(env->fpstt + (n)) & 7]) -#define ST1 ST(1) - -#ifdef USE_FP_CONVERT -#define FP_CONVERT (env->fp_convert) -#endif - -#include "cpu-i386.h" -#include "exec.h" - -typedef struct CCTable { - int (*compute_all)(void); /* return all the flags */ - int (*compute_c)(void); /* return the C flag */ -} CCTable; - -extern CCTable cc_table[]; - -void load_seg(int seg_reg, int selector, unsigned cur_eip); -void helper_ljmp_protected_T0_T1(void); -void helper_lcall_real_T0_T1(int shift, int next_eip); -void helper_lcall_protected_T0_T1(int shift, int next_eip); -void helper_iret_real(int shift); -void helper_iret_protected(int shift); -void helper_lret_protected(int shift, int addend); -void helper_lldt_T0(void); -void helper_ltr_T0(void); -void helper_movl_crN_T0(int reg); -void helper_movl_drN_T0(int reg); -void helper_invlpg(unsigned int addr); -void cpu_x86_update_cr0(CPUX86State *env); -void cpu_x86_update_cr3(CPUX86State *env); -void cpu_x86_flush_tlb(CPUX86State *env, uint32_t addr); -int cpu_x86_handle_mmu_fault(CPUX86State *env, uint32_t addr, int is_write); -void tlb_fill(unsigned long addr, int is_write, void *retaddr); -void __hidden cpu_lock(void); -void __hidden cpu_unlock(void); -void do_interrupt(int intno, int is_int, int error_code, - unsigned int next_eip, int is_hw); -void do_interrupt_user(int intno, int is_int, int error_code, - unsigned int next_eip); -void raise_interrupt(int intno, int is_int, int error_code, - unsigned int next_eip); -void raise_exception_err(int exception_index, int error_code); -void raise_exception(int exception_index); -void __hidden cpu_loop_exit(void); -void helper_fsave(uint8_t *ptr, int data32); -void helper_frstor(uint8_t *ptr, int data32); - -void OPPROTO op_movl_eflags_T0(void); -void OPPROTO op_movl_T0_eflags(void); -void raise_interrupt(int intno, int is_int, int error_code, - unsigned int next_eip); -void raise_exception_err(int exception_index, int error_code); -void raise_exception(int exception_index); -void helper_divl_EAX_T0(uint32_t eip); -void helper_idivl_EAX_T0(uint32_t eip); -void helper_cmpxchg8b(void); -void helper_cpuid(void); -void helper_rdtsc(void); -void helper_rdmsr(void); -void helper_wrmsr(void); -void helper_lsl(void); -void helper_lar(void); - -#ifdef USE_X86LDOUBLE -/* use long double functions */ -#define lrint lrintl -#define llrint llrintl -#define fabs fabsl -#define sin sinl -#define cos cosl -#define sqrt sqrtl -#define pow powl -#define log logl -#define tan tanl -#define atan2 atan2l -#define floor floorl -#define ceil ceill -#define rint rintl -#endif - -extern int lrint(CPU86_LDouble x); -extern int64_t llrint(CPU86_LDouble x); -extern CPU86_LDouble fabs(CPU86_LDouble x); -extern CPU86_LDouble sin(CPU86_LDouble x); -extern CPU86_LDouble cos(CPU86_LDouble x); -extern CPU86_LDouble sqrt(CPU86_LDouble x); -extern CPU86_LDouble pow(CPU86_LDouble, CPU86_LDouble); -extern CPU86_LDouble log(CPU86_LDouble x); -extern CPU86_LDouble tan(CPU86_LDouble x); -extern CPU86_LDouble atan2(CPU86_LDouble, CPU86_LDouble); -extern CPU86_LDouble floor(CPU86_LDouble x); -extern CPU86_LDouble ceil(CPU86_LDouble x); -extern CPU86_LDouble rint(CPU86_LDouble x); - -#define RC_MASK 0xc00 -#define RC_NEAR 0x000 -#define RC_DOWN 0x400 -#define RC_UP 0x800 -#define RC_CHOP 0xc00 - -#define MAXTAN 9223372036854775808.0 - -#ifdef __arm__ -/* we have no way to do correct rounding - a FPU emulator is needed */ -#define FE_DOWNWARD FE_TONEAREST -#define FE_UPWARD FE_TONEAREST -#define FE_TOWARDZERO FE_TONEAREST -#endif - -#ifdef USE_X86LDOUBLE - -/* only for x86 */ -typedef union { - long double d; - struct { - unsigned long long lower; - unsigned short upper; - } l; -} CPU86_LDoubleU; - -/* the following deal with x86 long double-precision numbers */ -#define MAXEXPD 0x7fff -#define EXPBIAS 16383 -#define EXPD(fp) (fp.l.upper & 0x7fff) -#define SIGND(fp) ((fp.l.upper) & 0x8000) -#define MANTD(fp) (fp.l.lower) -#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7fff)) | EXPBIAS - -#else - -/* NOTE: arm is horrible as double 32 bit words are stored in big endian ! */ -typedef union { - double d; -#if !defined(WORDS_BIGENDIAN) && !defined(__arm__) - struct { - uint32_t lower; - int32_t upper; - } l; -#else - struct { - int32_t upper; - uint32_t lower; - } l; -#endif -#ifndef __arm__ - int64_t ll; -#endif -} CPU86_LDoubleU; - -/* the following deal with IEEE double-precision numbers */ -#define MAXEXPD 0x7ff -#define EXPBIAS 1023 -#define EXPD(fp) (((fp.l.upper) >> 20) & 0x7FF) -#define SIGND(fp) ((fp.l.upper) & 0x80000000) -#ifdef __arm__ -#define MANTD(fp) (fp.l.lower | ((uint64_t)(fp.l.upper & ((1 << 20) - 1)) << 32)) -#else -#define MANTD(fp) (fp.ll & ((1LL << 52) - 1)) -#endif -#define BIASEXPONENT(fp) fp.l.upper = (fp.l.upper & ~(0x7ff << 20)) | (EXPBIAS << 20) -#endif - -static inline void fpush(void) -{ - env->fpstt = (env->fpstt - 1) & 7; - env->fptags[env->fpstt] = 0; /* validate stack entry */ -} - -static inline void fpop(void) -{ - env->fptags[env->fpstt] = 1; /* invvalidate stack entry */ - env->fpstt = (env->fpstt + 1) & 7; -} - -#ifndef USE_X86LDOUBLE -static inline CPU86_LDouble helper_fldt(uint8_t *ptr) -{ - CPU86_LDoubleU temp; - int upper, e; - uint64_t ll; - - /* mantissa */ - upper = lduw(ptr + 8); - /* XXX: handle overflow ? */ - e = (upper & 0x7fff) - 16383 + EXPBIAS; /* exponent */ - e |= (upper >> 4) & 0x800; /* sign */ - ll = (ldq(ptr) >> 11) & ((1LL << 52) - 1); -#ifdef __arm__ - temp.l.upper = (e << 20) | (ll >> 32); - temp.l.lower = ll; -#else - temp.ll = ll | ((uint64_t)e << 52); -#endif - return temp.d; -} - -static inline void helper_fstt(CPU86_LDouble f, uint8_t *ptr) -{ - CPU86_LDoubleU temp; - int e; - - temp.d = f; - /* mantissa */ - stq(ptr, (MANTD(temp) << 11) | (1LL << 63)); - /* exponent + sign */ - e = EXPD(temp) - EXPBIAS + 16383; - e |= SIGND(temp) >> 16; - stw(ptr + 8, e); -} -#endif - -const CPU86_LDouble f15rk[7]; - -void helper_fldt_ST0_A0(void); -void helper_fstt_ST0_A0(void); -void helper_fbld_ST0_A0(void); -void helper_fbst_ST0_A0(void); -void helper_f2xm1(void); -void helper_fyl2x(void); -void helper_fptan(void); -void helper_fpatan(void); -void helper_fxtract(void); -void helper_fprem1(void); -void helper_fprem(void); -void helper_fyl2xp1(void); -void helper_fsqrt(void); -void helper_fsincos(void); -void helper_frndint(void); -void helper_fscale(void); -void helper_fsin(void); -void helper_fcos(void); -void helper_fxam_ST0(void); -void helper_fstenv(uint8_t *ptr, int data32); -void helper_fldenv(uint8_t *ptr, int data32); -void helper_fsave(uint8_t *ptr, int data32); -void helper_frstor(uint8_t *ptr, int data32); - -const uint8_t parity_table[256]; -const uint8_t rclw_table[32]; -const uint8_t rclb_table[32]; - -static inline uint32_t compute_eflags(void) -{ - return env->eflags | cc_table[CC_OP].compute_all() | (DF & DF_MASK); -} - -#define FL_UPDATE_MASK32 (TF_MASK | AC_MASK | ID_MASK) - -#define FL_UPDATE_CPL0_MASK (TF_MASK | IF_MASK | IOPL_MASK | NT_MASK | \ - RF_MASK | AC_MASK | ID_MASK) - -/* NOTE: CC_OP must be modified manually to CC_OP_EFLAGS */ -static inline void load_eflags(int eflags, int update_mask) -{ - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - env->eflags = (env->eflags & ~update_mask) | - (eflags & update_mask); -} - -/* memory access macros */ - -#define ldul ldl -#define lduq ldq -#define ldul_user ldl_user -#define ldul_kernel ldl_kernel - -#define ldub_raw ldub -#define ldsb_raw ldsb -#define lduw_raw lduw -#define ldsw_raw ldsw -#define ldl_raw ldl -#define ldq_raw ldq - -#define stb_raw stb -#define stw_raw stw -#define stl_raw stl -#define stq_raw stq - -#define MEMUSER 0 -#define DATA_SIZE 1 -#include "softmmu_header.h" - -#define DATA_SIZE 2 -#include "softmmu_header.h" - -#define DATA_SIZE 4 -#include "softmmu_header.h" - -#define DATA_SIZE 8 -#include "softmmu_header.h" - -#undef MEMUSER -#define MEMUSER 1 -#define DATA_SIZE 1 -#include "softmmu_header.h" - -#define DATA_SIZE 2 -#include "softmmu_header.h" - -#define DATA_SIZE 4 -#include "softmmu_header.h" - -#define DATA_SIZE 8 -#include "softmmu_header.h" - -#undef MEMUSER - diff --git a/helper-i386.c b/helper-i386.c deleted file mode 100644 index 67c3aec6c5..0000000000 --- a/helper-i386.c +++ /dev/null @@ -1,1803 +0,0 @@ -/* - * i386 helpers - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "exec-i386.h" - -const uint8_t parity_table[256] = { - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - CC_P, 0, 0, CC_P, 0, CC_P, CC_P, 0, - 0, CC_P, CC_P, 0, CC_P, 0, 0, CC_P, -}; - -/* modulo 17 table */ -const uint8_t rclw_table[32] = { - 0, 1, 2, 3, 4, 5, 6, 7, - 8, 9,10,11,12,13,14,15, - 16, 0, 1, 2, 3, 4, 5, 6, - 7, 8, 9,10,11,12,13,14, -}; - -/* modulo 9 table */ -const uint8_t rclb_table[32] = { - 0, 1, 2, 3, 4, 5, 6, 7, - 8, 0, 1, 2, 3, 4, 5, 6, - 7, 8, 0, 1, 2, 3, 4, 5, - 6, 7, 8, 0, 1, 2, 3, 4, -}; - -const CPU86_LDouble f15rk[7] = -{ - 0.00000000000000000000L, - 1.00000000000000000000L, - 3.14159265358979323851L, /*pi*/ - 0.30102999566398119523L, /*lg2*/ - 0.69314718055994530943L, /*ln2*/ - 1.44269504088896340739L, /*l2e*/ - 3.32192809488736234781L, /*l2t*/ -}; - -/* thread support */ - -spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED; - -void cpu_lock(void) -{ - spin_lock(&global_cpu_lock); -} - -void cpu_unlock(void) -{ - spin_unlock(&global_cpu_lock); -} - -void cpu_loop_exit(void) -{ - /* NOTE: the register at this point must be saved by hand because - longjmp restore them */ -#ifdef reg_EAX - env->regs[R_EAX] = EAX; -#endif -#ifdef reg_ECX - env->regs[R_ECX] = ECX; -#endif -#ifdef reg_EDX - env->regs[R_EDX] = EDX; -#endif -#ifdef reg_EBX - env->regs[R_EBX] = EBX; -#endif -#ifdef reg_ESP - env->regs[R_ESP] = ESP; -#endif -#ifdef reg_EBP - env->regs[R_EBP] = EBP; -#endif -#ifdef reg_ESI - env->regs[R_ESI] = ESI; -#endif -#ifdef reg_EDI - env->regs[R_EDI] = EDI; -#endif - longjmp(env->jmp_env, 1); -} - -static inline void get_ss_esp_from_tss(uint32_t *ss_ptr, - uint32_t *esp_ptr, int dpl) -{ - int type, index, shift; - -#if 0 - { - int i; - printf("TR: base=%p limit=%x\n", env->tr.base, env->tr.limit); - for(i=0;i<env->tr.limit;i++) { - printf("%02x ", env->tr.base[i]); - if ((i & 7) == 7) printf("\n"); - } - printf("\n"); - } -#endif - - if (!(env->tr.flags & DESC_P_MASK)) - cpu_abort(env, "invalid tss"); - type = (env->tr.flags >> DESC_TYPE_SHIFT) & 0xf; - if ((type & 7) != 1) - cpu_abort(env, "invalid tss type"); - shift = type >> 3; - index = (dpl * 4 + 2) << shift; - if (index + (4 << shift) - 1 > env->tr.limit) - raise_exception_err(EXCP0A_TSS, env->tr.selector & 0xfffc); - if (shift == 0) { - *esp_ptr = lduw(env->tr.base + index); - *ss_ptr = lduw(env->tr.base + index + 2); - } else { - *esp_ptr = ldl(env->tr.base + index); - *ss_ptr = lduw(env->tr.base + index + 4); - } -} - -/* return non zero if error */ -static inline int load_segment(uint32_t *e1_ptr, uint32_t *e2_ptr, - int selector) -{ - SegmentCache *dt; - int index; - uint8_t *ptr; - - if (selector & 0x4) - dt = &env->ldt; - else - dt = &env->gdt; - index = selector & ~7; - if ((index + 7) > dt->limit) - return -1; - ptr = dt->base + index; - *e1_ptr = ldl(ptr); - *e2_ptr = ldl(ptr + 4); - return 0; -} - -static inline unsigned int get_seg_limit(uint32_t e1, uint32_t e2) -{ - unsigned int limit; - limit = (e1 & 0xffff) | (e2 & 0x000f0000); - if (e2 & DESC_G_MASK) - limit = (limit << 12) | 0xfff; - return limit; -} - -static inline uint8_t *get_seg_base(uint32_t e1, uint32_t e2) -{ - return (uint8_t *)((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000)); -} - -static inline void load_seg_cache_raw_dt(SegmentCache *sc, uint32_t e1, uint32_t e2) -{ - sc->base = get_seg_base(e1, e2); - sc->limit = get_seg_limit(e1, e2); - sc->flags = e2; -} - -/* init the segment cache in vm86 mode. */ -static inline void load_seg_vm(int seg, int selector) -{ - selector &= 0xffff; - cpu_x86_load_seg_cache(env, seg, selector, - (uint8_t *)(selector << 4), 0xffff, 0); -} - -/* protected mode interrupt */ -static void do_interrupt_protected(int intno, int is_int, int error_code, - unsigned int next_eip, int is_hw) -{ - SegmentCache *dt; - uint8_t *ptr, *ssp; - int type, dpl, selector, ss_dpl, cpl; - int has_error_code, new_stack, shift; - uint32_t e1, e2, offset, ss, esp, ss_e1, ss_e2, push_size; - uint32_t old_cs, old_ss, old_esp, old_eip; - - dt = &env->idt; - if (intno * 8 + 7 > dt->limit) - raise_exception_err(EXCP0D_GPF, intno * 8 + 2); - ptr = dt->base + intno * 8; - e1 = ldl(ptr); - e2 = ldl(ptr + 4); - /* check gate type */ - type = (e2 >> DESC_TYPE_SHIFT) & 0x1f; - switch(type) { - case 5: /* task gate */ - cpu_abort(env, "task gate not supported"); - break; - case 6: /* 286 interrupt gate */ - case 7: /* 286 trap gate */ - case 14: /* 386 interrupt gate */ - case 15: /* 386 trap gate */ - break; - default: - raise_exception_err(EXCP0D_GPF, intno * 8 + 2); - break; - } - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - cpl = env->hflags & HF_CPL_MASK; - /* check privledge if software int */ - if (is_int && dpl < cpl) - raise_exception_err(EXCP0D_GPF, intno * 8 + 2); - /* check valid bit */ - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, intno * 8 + 2); - selector = e1 >> 16; - offset = (e2 & 0xffff0000) | (e1 & 0x0000ffff); - if ((selector & 0xfffc) == 0) - raise_exception_err(EXCP0D_GPF, 0); - - if (load_segment(&e1, &e2, selector) != 0) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - if (!(e2 & DESC_S_MASK) || !(e2 & (DESC_CS_MASK))) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - if (dpl > cpl) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc); - if (!(e2 & DESC_C_MASK) && dpl < cpl) { - /* to inner priviledge */ - get_ss_esp_from_tss(&ss, &esp, dpl); - if ((ss & 0xfffc) == 0) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if ((ss & 3) != dpl) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if (load_segment(&ss_e1, &ss_e2, ss) != 0) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - ss_dpl = (ss_e2 >> DESC_DPL_SHIFT) & 3; - if (ss_dpl != dpl) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if (!(ss_e2 & DESC_S_MASK) || - (ss_e2 & DESC_CS_MASK) || - !(ss_e2 & DESC_W_MASK)) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if (!(ss_e2 & DESC_P_MASK)) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - new_stack = 1; - } else if ((e2 & DESC_C_MASK) || dpl == cpl) { - /* to same priviledge */ - new_stack = 0; - } else { - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - new_stack = 0; /* avoid warning */ - } - - shift = type >> 3; - has_error_code = 0; - if (!is_int && !is_hw) { - switch(intno) { - case 8: - case 10: - case 11: - case 12: - case 13: - case 14: - case 17: - has_error_code = 1; - break; - } - } - push_size = 6 + (new_stack << 2) + (has_error_code << 1); - if (env->eflags & VM_MASK) - push_size += 8; - push_size <<= shift; - - /* XXX: check that enough room is available */ - if (new_stack) { - old_esp = ESP; - old_ss = env->segs[R_SS].selector; - ss = (ss & ~3) | dpl; - cpu_x86_load_seg_cache(env, R_SS, ss, - get_seg_base(ss_e1, ss_e2), - get_seg_limit(ss_e1, ss_e2), - ss_e2); - } else { - old_esp = 0; - old_ss = 0; - esp = ESP; - } - if (is_int) - old_eip = next_eip; - else - old_eip = env->eip; - old_cs = env->segs[R_CS].selector; - selector = (selector & ~3) | dpl; - cpu_x86_load_seg_cache(env, R_CS, selector, - get_seg_base(e1, e2), - get_seg_limit(e1, e2), - e2); - cpu_x86_set_cpl(env, dpl); - env->eip = offset; - ESP = esp - push_size; - ssp = env->segs[R_SS].base + esp; - if (shift == 1) { - int old_eflags; - if (env->eflags & VM_MASK) { - ssp -= 4; - stl(ssp, env->segs[R_GS].selector); - ssp -= 4; - stl(ssp, env->segs[R_FS].selector); - ssp -= 4; - stl(ssp, env->segs[R_DS].selector); - ssp -= 4; - stl(ssp, env->segs[R_ES].selector); - } - if (new_stack) { - ssp -= 4; - stl(ssp, old_ss); - ssp -= 4; - stl(ssp, old_esp); - } - ssp -= 4; - old_eflags = compute_eflags(); - stl(ssp, old_eflags); - ssp -= 4; - stl(ssp, old_cs); - ssp -= 4; - stl(ssp, old_eip); - if (has_error_code) { - ssp -= 4; - stl(ssp, error_code); - } - } else { - if (new_stack) { - ssp -= 2; - stw(ssp, old_ss); - ssp -= 2; - stw(ssp, old_esp); - } - ssp -= 2; - stw(ssp, compute_eflags()); - ssp -= 2; - stw(ssp, old_cs); - ssp -= 2; - stw(ssp, old_eip); - if (has_error_code) { - ssp -= 2; - stw(ssp, error_code); - } - } - - /* interrupt gate clear IF mask */ - if ((type & 1) == 0) { - env->eflags &= ~IF_MASK; - } - env->eflags &= ~(TF_MASK | VM_MASK | RF_MASK | NT_MASK); -} - -/* real mode interrupt */ -static void do_interrupt_real(int intno, int is_int, int error_code, - unsigned int next_eip) -{ - SegmentCache *dt; - uint8_t *ptr, *ssp; - int selector; - uint32_t offset, esp; - uint32_t old_cs, old_eip; - - /* real mode (simpler !) */ - dt = &env->idt; - if (intno * 4 + 3 > dt->limit) - raise_exception_err(EXCP0D_GPF, intno * 8 + 2); - ptr = dt->base + intno * 4; - offset = lduw(ptr); - selector = lduw(ptr + 2); - esp = ESP; - ssp = env->segs[R_SS].base; - if (is_int) - old_eip = next_eip; - else - old_eip = env->eip; - old_cs = env->segs[R_CS].selector; - esp -= 2; - stw(ssp + (esp & 0xffff), compute_eflags()); - esp -= 2; - stw(ssp + (esp & 0xffff), old_cs); - esp -= 2; - stw(ssp + (esp & 0xffff), old_eip); - - /* update processor state */ - ESP = (ESP & ~0xffff) | (esp & 0xffff); - env->eip = offset; - env->segs[R_CS].selector = selector; - env->segs[R_CS].base = (uint8_t *)(selector << 4); - env->eflags &= ~(IF_MASK | TF_MASK | AC_MASK | RF_MASK); -} - -/* fake user mode interrupt */ -void do_interrupt_user(int intno, int is_int, int error_code, - unsigned int next_eip) -{ - SegmentCache *dt; - uint8_t *ptr; - int dpl, cpl; - uint32_t e2; - - dt = &env->idt; - ptr = dt->base + (intno * 8); - e2 = ldl(ptr + 4); - - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - cpl = env->hflags & HF_CPL_MASK; - /* check privledge if software int */ - if (is_int && dpl < cpl) - raise_exception_err(EXCP0D_GPF, intno * 8 + 2); - - /* Since we emulate only user space, we cannot do more than - exiting the emulation with the suitable exception and error - code */ - if (is_int) - EIP = next_eip; -} - -/* - * Begin excution of an interruption. is_int is TRUE if coming from - * the int instruction. next_eip is the EIP value AFTER the interrupt - * instruction. It is only relevant if is_int is TRUE. - */ -void do_interrupt(int intno, int is_int, int error_code, - unsigned int next_eip, int is_hw) -{ - if (env->cr[0] & CR0_PE_MASK) { - do_interrupt_protected(intno, is_int, error_code, next_eip, is_hw); - } else { - do_interrupt_real(intno, is_int, error_code, next_eip); - } -} - -/* - * Signal an interruption. It is executed in the main CPU loop. - * is_int is TRUE if coming from the int instruction. next_eip is the - * EIP value AFTER the interrupt instruction. It is only relevant if - * is_int is TRUE. - */ -void raise_interrupt(int intno, int is_int, int error_code, - unsigned int next_eip) -{ - env->exception_index = intno; - env->error_code = error_code; - env->exception_is_int = is_int; - env->exception_next_eip = next_eip; - cpu_loop_exit(); -} - -/* shortcuts to generate exceptions */ -void raise_exception_err(int exception_index, int error_code) -{ - raise_interrupt(exception_index, 0, error_code, 0); -} - -void raise_exception(int exception_index) -{ - raise_interrupt(exception_index, 0, 0, 0); -} - -#ifdef BUGGY_GCC_DIV64 -/* gcc 2.95.4 on PowerPC does not seem to like using __udivdi3, so we - call it from another function */ -uint32_t div64(uint32_t *q_ptr, uint64_t num, uint32_t den) -{ - *q_ptr = num / den; - return num % den; -} - -int32_t idiv64(int32_t *q_ptr, int64_t num, int32_t den) -{ - *q_ptr = num / den; - return num % den; -} -#endif - -void helper_divl_EAX_T0(uint32_t eip) -{ - unsigned int den, q, r; - uint64_t num; - - num = EAX | ((uint64_t)EDX << 32); - den = T0; - if (den == 0) { - EIP = eip; - raise_exception(EXCP00_DIVZ); - } -#ifdef BUGGY_GCC_DIV64 - r = div64(&q, num, den); -#else - q = (num / den); - r = (num % den); -#endif - EAX = q; - EDX = r; -} - -void helper_idivl_EAX_T0(uint32_t eip) -{ - int den, q, r; - int64_t num; - - num = EAX | ((uint64_t)EDX << 32); - den = T0; - if (den == 0) { - EIP = eip; - raise_exception(EXCP00_DIVZ); - } -#ifdef BUGGY_GCC_DIV64 - r = idiv64(&q, num, den); -#else - q = (num / den); - r = (num % den); -#endif - EAX = q; - EDX = r; -} - -void helper_cmpxchg8b(void) -{ - uint64_t d; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - d = ldq((uint8_t *)A0); - if (d == (((uint64_t)EDX << 32) | EAX)) { - stq((uint8_t *)A0, ((uint64_t)ECX << 32) | EBX); - eflags |= CC_Z; - } else { - EDX = d >> 32; - EAX = d; - eflags &= ~CC_Z; - } - CC_SRC = eflags; -} - -/* We simulate a pre-MMX pentium as in valgrind */ -#define CPUID_FP87 (1 << 0) -#define CPUID_VME (1 << 1) -#define CPUID_DE (1 << 2) -#define CPUID_PSE (1 << 3) -#define CPUID_TSC (1 << 4) -#define CPUID_MSR (1 << 5) -#define CPUID_PAE (1 << 6) -#define CPUID_MCE (1 << 7) -#define CPUID_CX8 (1 << 8) -#define CPUID_APIC (1 << 9) -#define CPUID_SEP (1 << 11) /* sysenter/sysexit */ -#define CPUID_MTRR (1 << 12) -#define CPUID_PGE (1 << 13) -#define CPUID_MCA (1 << 14) -#define CPUID_CMOV (1 << 15) -/* ... */ -#define CPUID_MMX (1 << 23) -#define CPUID_FXSR (1 << 24) -#define CPUID_SSE (1 << 25) -#define CPUID_SSE2 (1 << 26) - -void helper_cpuid(void) -{ - if (EAX == 0) { - EAX = 1; /* max EAX index supported */ - EBX = 0x756e6547; - ECX = 0x6c65746e; - EDX = 0x49656e69; - } else if (EAX == 1) { - int family, model, stepping; - /* EAX = 1 info */ -#if 0 - /* pentium 75-200 */ - family = 5; - model = 2; - stepping = 11; -#else - /* pentium pro */ - family = 6; - model = 1; - stepping = 3; -#endif - EAX = (family << 8) | (model << 4) | stepping; - EBX = 0; - ECX = 0; - EDX = CPUID_FP87 | CPUID_DE | CPUID_PSE | - CPUID_TSC | CPUID_MSR | CPUID_MCE | - CPUID_CX8 | CPUID_PGE | CPUID_CMOV; - } -} - -void helper_lldt_T0(void) -{ - int selector; - SegmentCache *dt; - uint32_t e1, e2; - int index; - uint8_t *ptr; - - selector = T0 & 0xffff; - if ((selector & 0xfffc) == 0) { - /* XXX: NULL selector case: invalid LDT */ - env->ldt.base = NULL; - env->ldt.limit = 0; - } else { - if (selector & 0x4) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - dt = &env->gdt; - index = selector & ~7; - if ((index + 7) > dt->limit) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - ptr = dt->base + index; - e1 = ldl(ptr); - e2 = ldl(ptr + 4); - if ((e2 & DESC_S_MASK) || ((e2 >> DESC_TYPE_SHIFT) & 0xf) != 2) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc); - load_seg_cache_raw_dt(&env->ldt, e1, e2); - } - env->ldt.selector = selector; -} - -void helper_ltr_T0(void) -{ - int selector; - SegmentCache *dt; - uint32_t e1, e2; - int index, type; - uint8_t *ptr; - - selector = T0 & 0xffff; - if ((selector & 0xfffc) == 0) { - /* NULL selector case: invalid LDT */ - env->tr.base = NULL; - env->tr.limit = 0; - env->tr.flags = 0; - } else { - if (selector & 0x4) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - dt = &env->gdt; - index = selector & ~7; - if ((index + 7) > dt->limit) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - ptr = dt->base + index; - e1 = ldl(ptr); - e2 = ldl(ptr + 4); - type = (e2 >> DESC_TYPE_SHIFT) & 0xf; - if ((e2 & DESC_S_MASK) || - (type != 2 && type != 9)) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc); - load_seg_cache_raw_dt(&env->tr, e1, e2); - e2 |= 0x00000200; /* set the busy bit */ - stl(ptr + 4, e2); - } - env->tr.selector = selector; -} - -/* only works if protected mode and not VM86. Calling load_seg with - seg_reg == R_CS is discouraged */ -void load_seg(int seg_reg, int selector, unsigned int cur_eip) -{ - uint32_t e1, e2; - - if ((selector & 0xfffc) == 0) { - /* null selector case */ - if (seg_reg == R_SS) { - EIP = cur_eip; - raise_exception_err(EXCP0D_GPF, 0); - } else { - cpu_x86_load_seg_cache(env, seg_reg, selector, NULL, 0, 0); - } - } else { - if (load_segment(&e1, &e2, selector) != 0) { - EIP = cur_eip; - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - } - if (!(e2 & DESC_S_MASK) || - (e2 & (DESC_CS_MASK | DESC_R_MASK)) == DESC_CS_MASK) { - EIP = cur_eip; - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - } - - if (seg_reg == R_SS) { - if ((e2 & (DESC_CS_MASK | DESC_W_MASK)) == 0) { - EIP = cur_eip; - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - } - } else { - if ((e2 & (DESC_CS_MASK | DESC_R_MASK)) == DESC_CS_MASK) { - EIP = cur_eip; - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - } - } - - if (!(e2 & DESC_P_MASK)) { - EIP = cur_eip; - if (seg_reg == R_SS) - raise_exception_err(EXCP0C_STACK, selector & 0xfffc); - else - raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc); - } - cpu_x86_load_seg_cache(env, seg_reg, selector, - get_seg_base(e1, e2), - get_seg_limit(e1, e2), - e2); -#if 0 - fprintf(logfile, "load_seg: sel=0x%04x base=0x%08lx limit=0x%08lx flags=%08x\n", - selector, (unsigned long)sc->base, sc->limit, sc->flags); -#endif - } -} - -/* protected mode jump */ -void helper_ljmp_protected_T0_T1(void) -{ - int new_cs, new_eip; - uint32_t e1, e2, cpl, dpl, rpl, limit; - - new_cs = T0; - new_eip = T1; - if ((new_cs & 0xfffc) == 0) - raise_exception_err(EXCP0D_GPF, 0); - if (load_segment(&e1, &e2, new_cs) != 0) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - cpl = env->hflags & HF_CPL_MASK; - if (e2 & DESC_S_MASK) { - if (!(e2 & DESC_CS_MASK)) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - if (e2 & DESC_CS_MASK) { - /* conforming code segment */ - if (dpl > cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - } else { - /* non conforming code segment */ - rpl = new_cs & 3; - if (rpl > cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - if (dpl != cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - } - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, new_cs & 0xfffc); - limit = get_seg_limit(e1, e2); - if (new_eip > limit) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - cpu_x86_load_seg_cache(env, R_CS, (new_cs & 0xfffc) | cpl, - get_seg_base(e1, e2), limit, e2); - EIP = new_eip; - } else { - cpu_abort(env, "jmp to call/task gate not supported 0x%04x:0x%08x", - new_cs, new_eip); - } -} - -/* real mode call */ -void helper_lcall_real_T0_T1(int shift, int next_eip) -{ - int new_cs, new_eip; - uint32_t esp, esp_mask; - uint8_t *ssp; - - new_cs = T0; - new_eip = T1; - esp = ESP; - esp_mask = 0xffffffff; - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - esp_mask = 0xffff; - ssp = env->segs[R_SS].base; - if (shift) { - esp -= 4; - stl(ssp + (esp & esp_mask), env->segs[R_CS].selector); - esp -= 4; - stl(ssp + (esp & esp_mask), next_eip); - } else { - esp -= 2; - stw(ssp + (esp & esp_mask), env->segs[R_CS].selector); - esp -= 2; - stw(ssp + (esp & esp_mask), next_eip); - } - - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - ESP = (ESP & ~0xffff) | (esp & 0xffff); - else - ESP = esp; - env->eip = new_eip; - env->segs[R_CS].selector = new_cs; - env->segs[R_CS].base = (uint8_t *)(new_cs << 4); -} - -/* protected mode call */ -void helper_lcall_protected_T0_T1(int shift, int next_eip) -{ - int new_cs, new_eip; - uint32_t e1, e2, cpl, dpl, rpl, selector, offset, param_count; - uint32_t ss, ss_e1, ss_e2, push_size, sp, type, ss_dpl; - uint32_t old_ss, old_esp, val, i, limit; - uint8_t *ssp, *old_ssp; - - new_cs = T0; - new_eip = T1; - if ((new_cs & 0xfffc) == 0) - raise_exception_err(EXCP0D_GPF, 0); - if (load_segment(&e1, &e2, new_cs) != 0) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - cpl = env->hflags & HF_CPL_MASK; - if (e2 & DESC_S_MASK) { - if (!(e2 & DESC_CS_MASK)) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - if (e2 & DESC_CS_MASK) { - /* conforming code segment */ - if (dpl > cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - } else { - /* non conforming code segment */ - rpl = new_cs & 3; - if (rpl > cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - if (dpl != cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - } - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, new_cs & 0xfffc); - - sp = ESP; - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - sp &= 0xffff; - ssp = env->segs[R_SS].base + sp; - if (shift) { - ssp -= 4; - stl(ssp, env->segs[R_CS].selector); - ssp -= 4; - stl(ssp, next_eip); - } else { - ssp -= 2; - stw(ssp, env->segs[R_CS].selector); - ssp -= 2; - stw(ssp, next_eip); - } - sp -= (4 << shift); - - limit = get_seg_limit(e1, e2); - if (new_eip > limit) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - /* from this point, not restartable */ - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - ESP = (ESP & 0xffff0000) | (sp & 0xffff); - else - ESP = sp; - cpu_x86_load_seg_cache(env, R_CS, (new_cs & 0xfffc) | cpl, - get_seg_base(e1, e2), limit, e2); - EIP = new_eip; - } else { - /* check gate type */ - type = (e2 >> DESC_TYPE_SHIFT) & 0x1f; - switch(type) { - case 1: /* available 286 TSS */ - case 9: /* available 386 TSS */ - case 5: /* task gate */ - cpu_abort(env, "task gate not supported"); - break; - case 4: /* 286 call gate */ - case 12: /* 386 call gate */ - break; - default: - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - break; - } - shift = type >> 3; - - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - rpl = new_cs & 3; - if (dpl < cpl || dpl < rpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - /* check valid bit */ - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, new_cs & 0xfffc); - selector = e1 >> 16; - offset = (e2 & 0xffff0000) | (e1 & 0x0000ffff); - if ((selector & 0xfffc) == 0) - raise_exception_err(EXCP0D_GPF, 0); - - if (load_segment(&e1, &e2, selector) != 0) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - if (!(e2 & DESC_S_MASK) || !(e2 & (DESC_CS_MASK))) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - if (dpl > cpl) - raise_exception_err(EXCP0D_GPF, selector & 0xfffc); - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, selector & 0xfffc); - - if (!(e2 & DESC_C_MASK) && dpl < cpl) { - /* to inner priviledge */ - get_ss_esp_from_tss(&ss, &sp, dpl); - if ((ss & 0xfffc) == 0) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if ((ss & 3) != dpl) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if (load_segment(&ss_e1, &ss_e2, ss) != 0) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - ss_dpl = (ss_e2 >> DESC_DPL_SHIFT) & 3; - if (ss_dpl != dpl) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if (!(ss_e2 & DESC_S_MASK) || - (ss_e2 & DESC_CS_MASK) || - !(ss_e2 & DESC_W_MASK)) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - if (!(ss_e2 & DESC_P_MASK)) - raise_exception_err(EXCP0A_TSS, ss & 0xfffc); - - param_count = e2 & 0x1f; - push_size = ((param_count * 2) + 8) << shift; - - old_esp = ESP; - old_ss = env->segs[R_SS].selector; - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - old_esp &= 0xffff; - old_ssp = env->segs[R_SS].base + old_esp; - - /* XXX: from this point not restartable */ - ss = (ss & ~3) | dpl; - cpu_x86_load_seg_cache(env, R_SS, ss, - get_seg_base(ss_e1, ss_e2), - get_seg_limit(ss_e1, ss_e2), - ss_e2); - - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - sp &= 0xffff; - ssp = env->segs[R_SS].base + sp; - if (shift) { - ssp -= 4; - stl(ssp, old_ss); - ssp -= 4; - stl(ssp, old_esp); - ssp -= 4 * param_count; - for(i = 0; i < param_count; i++) { - val = ldl(old_ssp + i * 4); - stl(ssp + i * 4, val); - } - } else { - ssp -= 2; - stw(ssp, old_ss); - ssp -= 2; - stw(ssp, old_esp); - ssp -= 2 * param_count; - for(i = 0; i < param_count; i++) { - val = lduw(old_ssp + i * 2); - stw(ssp + i * 2, val); - } - } - } else { - /* to same priviledge */ - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - sp &= 0xffff; - ssp = env->segs[R_SS].base + sp; - push_size = (4 << shift); - } - - if (shift) { - ssp -= 4; - stl(ssp, env->segs[R_CS].selector); - ssp -= 4; - stl(ssp, next_eip); - } else { - ssp -= 2; - stw(ssp, env->segs[R_CS].selector); - ssp -= 2; - stw(ssp, next_eip); - } - - sp -= push_size; - selector = (selector & ~3) | dpl; - cpu_x86_load_seg_cache(env, R_CS, selector, - get_seg_base(e1, e2), - get_seg_limit(e1, e2), - e2); - cpu_x86_set_cpl(env, dpl); - - /* from this point, not restartable if same priviledge */ - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - ESP = (ESP & 0xffff0000) | (sp & 0xffff); - else - ESP = sp; - EIP = offset; - } -} - -/* real mode iret */ -void helper_iret_real(int shift) -{ - uint32_t sp, new_cs, new_eip, new_eflags, new_esp; - uint8_t *ssp; - int eflags_mask; - - sp = ESP & 0xffff; - ssp = env->segs[R_SS].base + sp; - if (shift == 1) { - /* 32 bits */ - new_eflags = ldl(ssp + 8); - new_cs = ldl(ssp + 4) & 0xffff; - new_eip = ldl(ssp) & 0xffff; - } else { - /* 16 bits */ - new_eflags = lduw(ssp + 4); - new_cs = lduw(ssp + 2); - new_eip = lduw(ssp); - } - new_esp = sp + (6 << shift); - ESP = (ESP & 0xffff0000) | - (new_esp & 0xffff); - load_seg_vm(R_CS, new_cs); - env->eip = new_eip; - eflags_mask = FL_UPDATE_CPL0_MASK; - if (shift == 0) - eflags_mask &= 0xffff; - load_eflags(new_eflags, eflags_mask); -} - -/* protected mode iret */ -static inline void helper_ret_protected(int shift, int is_iret, int addend) -{ - uint32_t sp, new_cs, new_eip, new_eflags, new_esp, new_ss; - uint32_t new_es, new_ds, new_fs, new_gs; - uint32_t e1, e2, ss_e1, ss_e2; - int cpl, dpl, rpl, eflags_mask; - uint8_t *ssp; - - sp = ESP; - if (!(env->segs[R_SS].flags & DESC_B_MASK)) - sp &= 0xffff; - ssp = env->segs[R_SS].base + sp; - if (shift == 1) { - /* 32 bits */ - if (is_iret) - new_eflags = ldl(ssp + 8); - new_cs = ldl(ssp + 4) & 0xffff; - new_eip = ldl(ssp); - if (is_iret && (new_eflags & VM_MASK)) - goto return_to_vm86; - } else { - /* 16 bits */ - if (is_iret) - new_eflags = lduw(ssp + 4); - new_cs = lduw(ssp + 2); - new_eip = lduw(ssp); - } - if ((new_cs & 0xfffc) == 0) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - if (load_segment(&e1, &e2, new_cs) != 0) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - if (!(e2 & DESC_S_MASK) || - !(e2 & DESC_CS_MASK)) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - cpl = env->hflags & HF_CPL_MASK; - rpl = new_cs & 3; - if (rpl < cpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - dpl = (e2 >> DESC_DPL_SHIFT) & 3; - if (e2 & DESC_CS_MASK) { - if (dpl > rpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - } else { - if (dpl != rpl) - raise_exception_err(EXCP0D_GPF, new_cs & 0xfffc); - } - if (!(e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, new_cs & 0xfffc); - - if (rpl == cpl) { - /* return to same priledge level */ - cpu_x86_load_seg_cache(env, R_CS, new_cs, - get_seg_base(e1, e2), - get_seg_limit(e1, e2), - e2); - new_esp = sp + (4 << shift) + ((2 * is_iret) << shift) + addend; - } else { - /* return to different priviledge level */ - ssp += (4 << shift) + ((2 * is_iret) << shift) + addend; - if (shift == 1) { - /* 32 bits */ - new_esp = ldl(ssp); - new_ss = ldl(ssp + 4) & 0xffff; - } else { - /* 16 bits */ - new_esp = lduw(ssp); - new_ss = lduw(ssp + 2); - } - - if ((new_ss & 3) != rpl) - raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc); - if (load_segment(&ss_e1, &ss_e2, new_ss) != 0) - raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc); - if (!(ss_e2 & DESC_S_MASK) || - (ss_e2 & DESC_CS_MASK) || - !(ss_e2 & DESC_W_MASK)) - raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc); - dpl = (ss_e2 >> DESC_DPL_SHIFT) & 3; - if (dpl != rpl) - raise_exception_err(EXCP0D_GPF, new_ss & 0xfffc); - if (!(ss_e2 & DESC_P_MASK)) - raise_exception_err(EXCP0B_NOSEG, new_ss & 0xfffc); - - cpu_x86_load_seg_cache(env, R_CS, new_cs, - get_seg_base(e1, e2), - get_seg_limit(e1, e2), - e2); - cpu_x86_load_seg_cache(env, R_SS, new_ss, - get_seg_base(ss_e1, ss_e2), - get_seg_limit(ss_e1, ss_e2), - ss_e2); - cpu_x86_set_cpl(env, rpl); - } - if (env->segs[R_SS].flags & DESC_B_MASK) - ESP = new_esp; - else - ESP = (ESP & 0xffff0000) | - (new_esp & 0xffff); - env->eip = new_eip; - if (is_iret) { - /* NOTE: 'cpl' can be different from the current CPL */ - if (cpl == 0) - eflags_mask = FL_UPDATE_CPL0_MASK; - else - eflags_mask = FL_UPDATE_MASK32; - if (shift == 0) - eflags_mask &= 0xffff; - load_eflags(new_eflags, eflags_mask); - } - return; - - return_to_vm86: - new_esp = ldl(ssp + 12); - new_ss = ldl(ssp + 16); - new_es = ldl(ssp + 20); - new_ds = ldl(ssp + 24); - new_fs = ldl(ssp + 28); - new_gs = ldl(ssp + 32); - - /* modify processor state */ - load_eflags(new_eflags, FL_UPDATE_CPL0_MASK | VM_MASK | VIF_MASK | VIP_MASK); - load_seg_vm(R_CS, new_cs); - cpu_x86_set_cpl(env, 3); - load_seg_vm(R_SS, new_ss); - load_seg_vm(R_ES, new_es); - load_seg_vm(R_DS, new_ds); - load_seg_vm(R_FS, new_fs); - load_seg_vm(R_GS, new_gs); - - env->eip = new_eip; - ESP = new_esp; -} - -void helper_iret_protected(int shift) -{ - helper_ret_protected(shift, 1, 0); -} - -void helper_lret_protected(int shift, int addend) -{ - helper_ret_protected(shift, 0, addend); -} - -void helper_movl_crN_T0(int reg) -{ - env->cr[reg] = T0; - switch(reg) { - case 0: - cpu_x86_update_cr0(env); - break; - case 3: - cpu_x86_update_cr3(env); - break; - } -} - -/* XXX: do more */ -void helper_movl_drN_T0(int reg) -{ - env->dr[reg] = T0; -} - -void helper_invlpg(unsigned int addr) -{ - cpu_x86_flush_tlb(env, addr); -} - -/* rdtsc */ -#ifndef __i386__ -uint64_t emu_time; -#endif - -void helper_rdtsc(void) -{ - uint64_t val; -#ifdef __i386__ - asm("rdtsc" : "=A" (val)); -#else - /* better than nothing: the time increases */ - val = emu_time++; -#endif - EAX = val; - EDX = val >> 32; -} - -void helper_wrmsr(void) -{ - switch(ECX) { - case MSR_IA32_SYSENTER_CS: - env->sysenter_cs = EAX & 0xffff; - break; - case MSR_IA32_SYSENTER_ESP: - env->sysenter_esp = EAX; - break; - case MSR_IA32_SYSENTER_EIP: - env->sysenter_eip = EAX; - break; - default: - /* XXX: exception ? */ - break; - } -} - -void helper_rdmsr(void) -{ - switch(ECX) { - case MSR_IA32_SYSENTER_CS: - EAX = env->sysenter_cs; - EDX = 0; - break; - case MSR_IA32_SYSENTER_ESP: - EAX = env->sysenter_esp; - EDX = 0; - break; - case MSR_IA32_SYSENTER_EIP: - EAX = env->sysenter_eip; - EDX = 0; - break; - default: - /* XXX: exception ? */ - break; - } -} - -void helper_lsl(void) -{ - unsigned int selector, limit; - uint32_t e1, e2; - - CC_SRC = cc_table[CC_OP].compute_all() & ~CC_Z; - selector = T0 & 0xffff; - if (load_segment(&e1, &e2, selector) != 0) - return; - limit = (e1 & 0xffff) | (e2 & 0x000f0000); - if (e2 & (1 << 23)) - limit = (limit << 12) | 0xfff; - T1 = limit; - CC_SRC |= CC_Z; -} - -void helper_lar(void) -{ - unsigned int selector; - uint32_t e1, e2; - - CC_SRC = cc_table[CC_OP].compute_all() & ~CC_Z; - selector = T0 & 0xffff; - if (load_segment(&e1, &e2, selector) != 0) - return; - T1 = e2 & 0x00f0ff00; - CC_SRC |= CC_Z; -} - -/* FPU helpers */ - -#ifndef USE_X86LDOUBLE -void helper_fldt_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; - env->fpregs[new_fpstt] = helper_fldt((uint8_t *)A0); - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void helper_fstt_ST0_A0(void) -{ - helper_fstt(ST0, (uint8_t *)A0); -} -#endif - -/* BCD ops */ - -#define MUL10(iv) ( iv + iv + (iv << 3) ) - -void helper_fbld_ST0_A0(void) -{ - CPU86_LDouble tmp; - uint64_t val; - unsigned int v; - int i; - - val = 0; - for(i = 8; i >= 0; i--) { - v = ldub((uint8_t *)A0 + i); - val = (val * 100) + ((v >> 4) * 10) + (v & 0xf); - } - tmp = val; - if (ldub((uint8_t *)A0 + 9) & 0x80) - tmp = -tmp; - fpush(); - ST0 = tmp; -} - -void helper_fbst_ST0_A0(void) -{ - CPU86_LDouble tmp; - int v; - uint8_t *mem_ref, *mem_end; - int64_t val; - - tmp = rint(ST0); - val = (int64_t)tmp; - mem_ref = (uint8_t *)A0; - mem_end = mem_ref + 9; - if (val < 0) { - stb(mem_end, 0x80); - val = -val; - } else { - stb(mem_end, 0x00); - } - while (mem_ref < mem_end) { - if (val == 0) - break; - v = val % 100; - val = val / 100; - v = ((v / 10) << 4) | (v % 10); - stb(mem_ref++, v); - } - while (mem_ref < mem_end) { - stb(mem_ref++, 0); - } -} - -void helper_f2xm1(void) -{ - ST0 = pow(2.0,ST0) - 1.0; -} - -void helper_fyl2x(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if (fptemp>0.0){ - fptemp = log(fptemp)/log(2.0); /* log2(ST) */ - ST1 *= fptemp; - fpop(); - } else { - env->fpus &= (~0x4700); - env->fpus |= 0x400; - } -} - -void helper_fptan(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) { - env->fpus |= 0x400; - } else { - ST0 = tan(fptemp); - fpush(); - ST0 = 1.0; - env->fpus &= (~0x400); /* C2 <-- 0 */ - /* the above code is for |arg| < 2**52 only */ - } -} - -void helper_fpatan(void) -{ - CPU86_LDouble fptemp, fpsrcop; - - fpsrcop = ST1; - fptemp = ST0; - ST1 = atan2(fpsrcop,fptemp); - fpop(); -} - -void helper_fxtract(void) -{ - CPU86_LDoubleU temp; - unsigned int expdif; - - temp.d = ST0; - expdif = EXPD(temp) - EXPBIAS; - /*DP exponent bias*/ - ST0 = expdif; - fpush(); - BIASEXPONENT(temp); - ST0 = temp.d; -} - -void helper_fprem1(void) -{ - CPU86_LDouble dblq, fpsrcop, fptemp; - CPU86_LDoubleU fpsrcop1, fptemp1; - int expdif; - int q; - - fpsrcop = ST0; - fptemp = ST1; - fpsrcop1.d = fpsrcop; - fptemp1.d = fptemp; - expdif = EXPD(fpsrcop1) - EXPD(fptemp1); - if (expdif < 53) { - dblq = fpsrcop / fptemp; - dblq = (dblq < 0.0)? ceil(dblq): floor(dblq); - ST0 = fpsrcop - fptemp*dblq; - q = (int)dblq; /* cutting off top bits is assumed here */ - env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ - /* (C0,C1,C3) <-- (q2,q1,q0) */ - env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */ - env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */ - env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */ - } else { - env->fpus |= 0x400; /* C2 <-- 1 */ - fptemp = pow(2.0, expdif-50); - fpsrcop = (ST0 / ST1) / fptemp; - /* fpsrcop = integer obtained by rounding to the nearest */ - fpsrcop = (fpsrcop-floor(fpsrcop) < ceil(fpsrcop)-fpsrcop)? - floor(fpsrcop): ceil(fpsrcop); - ST0 -= (ST1 * fpsrcop * fptemp); - } -} - -void helper_fprem(void) -{ - CPU86_LDouble dblq, fpsrcop, fptemp; - CPU86_LDoubleU fpsrcop1, fptemp1; - int expdif; - int q; - - fpsrcop = ST0; - fptemp = ST1; - fpsrcop1.d = fpsrcop; - fptemp1.d = fptemp; - expdif = EXPD(fpsrcop1) - EXPD(fptemp1); - if ( expdif < 53 ) { - dblq = fpsrcop / fptemp; - dblq = (dblq < 0.0)? ceil(dblq): floor(dblq); - ST0 = fpsrcop - fptemp*dblq; - q = (int)dblq; /* cutting off top bits is assumed here */ - env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ - /* (C0,C1,C3) <-- (q2,q1,q0) */ - env->fpus |= (q&0x4) << 6; /* (C0) <-- q2 */ - env->fpus |= (q&0x2) << 8; /* (C1) <-- q1 */ - env->fpus |= (q&0x1) << 14; /* (C3) <-- q0 */ - } else { - env->fpus |= 0x400; /* C2 <-- 1 */ - fptemp = pow(2.0, expdif-50); - fpsrcop = (ST0 / ST1) / fptemp; - /* fpsrcop = integer obtained by chopping */ - fpsrcop = (fpsrcop < 0.0)? - -(floor(fabs(fpsrcop))): floor(fpsrcop); - ST0 -= (ST1 * fpsrcop * fptemp); - } -} - -void helper_fyl2xp1(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if ((fptemp+1.0)>0.0) { - fptemp = log(fptemp+1.0) / log(2.0); /* log2(ST+1.0) */ - ST1 *= fptemp; - fpop(); - } else { - env->fpus &= (~0x4700); - env->fpus |= 0x400; - } -} - -void helper_fsqrt(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if (fptemp<0.0) { - env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ - env->fpus |= 0x400; - } - ST0 = sqrt(fptemp); -} - -void helper_fsincos(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) { - env->fpus |= 0x400; - } else { - ST0 = sin(fptemp); - fpush(); - ST0 = cos(fptemp); - env->fpus &= (~0x400); /* C2 <-- 0 */ - /* the above code is for |arg| < 2**63 only */ - } -} - -void helper_frndint(void) -{ - CPU86_LDouble a; - - a = ST0; -#ifdef __arm__ - switch(env->fpuc & RC_MASK) { - default: - case RC_NEAR: - asm("rndd %0, %1" : "=f" (a) : "f"(a)); - break; - case RC_DOWN: - asm("rnddm %0, %1" : "=f" (a) : "f"(a)); - break; - case RC_UP: - asm("rnddp %0, %1" : "=f" (a) : "f"(a)); - break; - case RC_CHOP: - asm("rnddz %0, %1" : "=f" (a) : "f"(a)); - break; - } -#else - a = rint(a); -#endif - ST0 = a; -} - -void helper_fscale(void) -{ - CPU86_LDouble fpsrcop, fptemp; - - fpsrcop = 2.0; - fptemp = pow(fpsrcop,ST1); - ST0 *= fptemp; -} - -void helper_fsin(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if ((fptemp > MAXTAN)||(fptemp < -MAXTAN)) { - env->fpus |= 0x400; - } else { - ST0 = sin(fptemp); - env->fpus &= (~0x400); /* C2 <-- 0 */ - /* the above code is for |arg| < 2**53 only */ - } -} - -void helper_fcos(void) -{ - CPU86_LDouble fptemp; - - fptemp = ST0; - if((fptemp > MAXTAN)||(fptemp < -MAXTAN)) { - env->fpus |= 0x400; - } else { - ST0 = cos(fptemp); - env->fpus &= (~0x400); /* C2 <-- 0 */ - /* the above code is for |arg5 < 2**63 only */ - } -} - -void helper_fxam_ST0(void) -{ - CPU86_LDoubleU temp; - int expdif; - - temp.d = ST0; - - env->fpus &= (~0x4700); /* (C3,C2,C1,C0) <-- 0000 */ - if (SIGND(temp)) - env->fpus |= 0x200; /* C1 <-- 1 */ - - expdif = EXPD(temp); - if (expdif == MAXEXPD) { - if (MANTD(temp) == 0) - env->fpus |= 0x500 /*Infinity*/; - else - env->fpus |= 0x100 /*NaN*/; - } else if (expdif == 0) { - if (MANTD(temp) == 0) - env->fpus |= 0x4000 /*Zero*/; - else - env->fpus |= 0x4400 /*Denormal*/; - } else { - env->fpus |= 0x400; - } -} - -void helper_fstenv(uint8_t *ptr, int data32) -{ - int fpus, fptag, exp, i; - uint64_t mant; - CPU86_LDoubleU tmp; - - fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; - fptag = 0; - for (i=7; i>=0; i--) { - fptag <<= 2; - if (env->fptags[i]) { - fptag |= 3; - } else { - tmp.d = env->fpregs[i]; - exp = EXPD(tmp); - mant = MANTD(tmp); - if (exp == 0 && mant == 0) { - /* zero */ - fptag |= 1; - } else if (exp == 0 || exp == MAXEXPD -#ifdef USE_X86LDOUBLE - || (mant & (1LL << 63)) == 0 -#endif - ) { - /* NaNs, infinity, denormal */ - fptag |= 2; - } - } - } - if (data32) { - /* 32 bit */ - stl(ptr, env->fpuc); - stl(ptr + 4, fpus); - stl(ptr + 8, fptag); - stl(ptr + 12, 0); - stl(ptr + 16, 0); - stl(ptr + 20, 0); - stl(ptr + 24, 0); - } else { - /* 16 bit */ - stw(ptr, env->fpuc); - stw(ptr + 2, fpus); - stw(ptr + 4, fptag); - stw(ptr + 6, 0); - stw(ptr + 8, 0); - stw(ptr + 10, 0); - stw(ptr + 12, 0); - } -} - -void helper_fldenv(uint8_t *ptr, int data32) -{ - int i, fpus, fptag; - - if (data32) { - env->fpuc = lduw(ptr); - fpus = lduw(ptr + 4); - fptag = lduw(ptr + 8); - } - else { - env->fpuc = lduw(ptr); - fpus = lduw(ptr + 2); - fptag = lduw(ptr + 4); - } - env->fpstt = (fpus >> 11) & 7; - env->fpus = fpus & ~0x3800; - for(i = 0;i < 7; i++) { - env->fptags[i] = ((fptag & 3) == 3); - fptag >>= 2; - } -} - -void helper_fsave(uint8_t *ptr, int data32) -{ - CPU86_LDouble tmp; - int i; - - helper_fstenv(ptr, data32); - - ptr += (14 << data32); - for(i = 0;i < 8; i++) { - tmp = ST(i); -#ifdef USE_X86LDOUBLE - *(long double *)ptr = tmp; -#else - helper_fstt(tmp, ptr); -#endif - ptr += 10; - } - - /* fninit */ - env->fpus = 0; - env->fpstt = 0; - env->fpuc = 0x37f; - env->fptags[0] = 1; - env->fptags[1] = 1; - env->fptags[2] = 1; - env->fptags[3] = 1; - env->fptags[4] = 1; - env->fptags[5] = 1; - env->fptags[6] = 1; - env->fptags[7] = 1; -} - -void helper_frstor(uint8_t *ptr, int data32) -{ - CPU86_LDouble tmp; - int i; - - helper_fldenv(ptr, data32); - ptr += (14 << data32); - - for(i = 0;i < 8; i++) { -#ifdef USE_X86LDOUBLE - tmp = *(long double *)ptr; -#else - tmp = helper_fldt(ptr); -#endif - ST(i) = tmp; - ptr += 10; - } -} - -#define SHIFT 0 -#include "softmmu_template.h" - -#define SHIFT 1 -#include "softmmu_template.h" - -#define SHIFT 2 -#include "softmmu_template.h" - -#define SHIFT 3 -#include "softmmu_template.h" - -/* try to fill the TLB and return an exception if error */ -void tlb_fill(unsigned long addr, int is_write, void *retaddr) -{ - TranslationBlock *tb; - int ret; - unsigned long pc; - ret = cpu_x86_handle_mmu_fault(env, addr, is_write); - if (ret) { - /* now we have a real cpu fault */ - pc = (unsigned long)retaddr; - tb = tb_find_pc(pc); - if (tb) { - /* the PC is inside the translated code. It means that we have - a virtual CPU fault */ - cpu_restore_state(tb, env, pc); - } - raise_exception_err(EXCP0E_PAGE, env->error_code); - } -} diff --git a/helper2-i386.c b/helper2-i386.c deleted file mode 100644 index f006c72a28..0000000000 --- a/helper2-i386.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * i386 helpers (without register variable usage) - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <stdarg.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> -#include <signal.h> -#include <assert.h> -#include <sys/mman.h> - -#include "cpu-i386.h" -#include "exec.h" - -//#define DEBUG_MMU - -CPUX86State *cpu_x86_init(void) -{ - CPUX86State *env; - int i; - static int inited; - - cpu_exec_init(); - - env = malloc(sizeof(CPUX86State)); - if (!env) - return NULL; - memset(env, 0, sizeof(CPUX86State)); - /* basic FPU init */ - for(i = 0;i < 8; i++) - env->fptags[i] = 1; - env->fpuc = 0x37f; - /* flags setup : we activate the IRQs by default as in user mode */ - env->eflags = 0x2 | IF_MASK; - - tlb_flush(env); -#ifdef CONFIG_SOFTMMU - env->hflags |= HF_SOFTMMU_MASK; -#endif - /* init various static tables */ - if (!inited) { - inited = 1; - optimize_flags_init(); - } - return env; -} - -void cpu_x86_close(CPUX86State *env) -{ - free(env); -} - -/***********************************************************/ -/* x86 debug */ - -static const char *cc_op_str[] = { - "DYNAMIC", - "EFLAGS", - "MUL", - "ADDB", - "ADDW", - "ADDL", - "ADCB", - "ADCW", - "ADCL", - "SUBB", - "SUBW", - "SUBL", - "SBBB", - "SBBW", - "SBBL", - "LOGICB", - "LOGICW", - "LOGICL", - "INCB", - "INCW", - "INCL", - "DECB", - "DECW", - "DECL", - "SHLB", - "SHLW", - "SHLL", - "SARB", - "SARW", - "SARL", -}; - -void cpu_x86_dump_state(CPUX86State *env, FILE *f, int flags) -{ - int eflags; - char cc_op_name[32]; - - eflags = env->eflags; - fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n" - "ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n" - "EIP=%08x EFL=%08x [%c%c%c%c%c%c%c]\n", - env->regs[R_EAX], env->regs[R_EBX], env->regs[R_ECX], env->regs[R_EDX], - env->regs[R_ESI], env->regs[R_EDI], env->regs[R_EBP], env->regs[R_ESP], - env->eip, eflags, - eflags & DF_MASK ? 'D' : '-', - eflags & CC_O ? 'O' : '-', - eflags & CC_S ? 'S' : '-', - eflags & CC_Z ? 'Z' : '-', - eflags & CC_A ? 'A' : '-', - eflags & CC_P ? 'P' : '-', - eflags & CC_C ? 'C' : '-'); - fprintf(f, "CS=%04x SS=%04x DS=%04x ES=%04x FS=%04x GS=%04x\n", - env->segs[R_CS].selector, - env->segs[R_SS].selector, - env->segs[R_DS].selector, - env->segs[R_ES].selector, - env->segs[R_FS].selector, - env->segs[R_GS].selector); - if (flags & X86_DUMP_CCOP) { - if ((unsigned)env->cc_op < CC_OP_NB) - strcpy(cc_op_name, cc_op_str[env->cc_op]); - else - snprintf(cc_op_name, sizeof(cc_op_name), "[%d]", env->cc_op); - fprintf(f, "CCS=%08x CCD=%08x CCO=%-8s\n", - env->cc_src, env->cc_dst, cc_op_name); - } - if (flags & X86_DUMP_FPU) { - fprintf(f, "ST0=%f ST1=%f ST2=%f ST3=%f\n", - (double)env->fpregs[0], - (double)env->fpregs[1], - (double)env->fpregs[2], - (double)env->fpregs[3]); - fprintf(f, "ST4=%f ST5=%f ST6=%f ST7=%f\n", - (double)env->fpregs[4], - (double)env->fpregs[5], - (double)env->fpregs[7], - (double)env->fpregs[8]); - } -} - -/***********************************************************/ -/* x86 mmu */ -/* XXX: add PGE support */ - -/* called when cr3 or PG bit are modified */ -static int last_pg_state = -1; -static int last_pe_state = 0; -int phys_ram_size; -int phys_ram_fd; -uint8_t *phys_ram_base; - -void cpu_x86_update_cr0(CPUX86State *env) -{ - int pg_state, pe_state; - -#ifdef DEBUG_MMU - printf("CR0 update: CR0=0x%08x\n", env->cr[0]); -#endif - pg_state = env->cr[0] & CR0_PG_MASK; - if (pg_state != last_pg_state) { - page_unmap(); - tlb_flush(env); - last_pg_state = pg_state; - } - pe_state = env->cr[0] & CR0_PE_MASK; - if (last_pe_state != pe_state) { - tb_flush(); - last_pe_state = pe_state; - } -} - -void cpu_x86_update_cr3(CPUX86State *env) -{ - if (env->cr[0] & CR0_PG_MASK) { -#if defined(DEBUG_MMU) - printf("CR3 update: CR3=%08x\n", env->cr[3]); -#endif - page_unmap(); - tlb_flush(env); - } -} - -void cpu_x86_init_mmu(CPUX86State *env) -{ - last_pg_state = -1; - cpu_x86_update_cr0(env); -} - -/* XXX: also flush 4MB pages */ -void cpu_x86_flush_tlb(CPUX86State *env, uint32_t addr) -{ - int flags; - unsigned long virt_addr; - - tlb_flush_page(env, addr); - - flags = page_get_flags(addr); - if (flags & PAGE_VALID) { - virt_addr = addr & ~0xfff; - munmap((void *)virt_addr, 4096); - page_set_flags(virt_addr, virt_addr + 4096, 0); - } -} - -/* return value: - -1 = cannot handle fault - 0 = nothing more to do - 1 = generate PF fault - 2 = soft MMU activation required for this block -*/ -int cpu_x86_handle_mmu_fault(CPUX86State *env, uint32_t addr, int is_write) -{ - uint8_t *pde_ptr, *pte_ptr; - uint32_t pde, pte, virt_addr; - int cpl, error_code, is_dirty, is_user, prot, page_size, ret; - unsigned long pd; - - cpl = env->hflags & HF_CPL_MASK; - is_user = (cpl == 3); - -#ifdef DEBUG_MMU - printf("MMU fault: addr=0x%08x w=%d u=%d eip=%08x\n", - addr, is_write, is_user, env->eip); -#endif - - if (env->user_mode_only) { - /* user mode only emulation */ - error_code = 0; - goto do_fault; - } - - if (!(env->cr[0] & CR0_PG_MASK)) { - pte = addr; - virt_addr = addr & ~0xfff; - prot = PROT_READ | PROT_WRITE; - page_size = 4096; - goto do_mapping; - } - - /* page directory entry */ - pde_ptr = phys_ram_base + ((env->cr[3] & ~0xfff) + ((addr >> 20) & ~3)); - pde = ldl(pde_ptr); - if (!(pde & PG_PRESENT_MASK)) { - error_code = 0; - goto do_fault; - } - if (is_user) { - if (!(pde & PG_USER_MASK)) - goto do_fault_protect; - if (is_write && !(pde & PG_RW_MASK)) - goto do_fault_protect; - } else { - if ((env->cr[0] & CR0_WP_MASK) && (pde & PG_USER_MASK) && - is_write && !(pde & PG_RW_MASK)) - goto do_fault_protect; - } - /* if PSE bit is set, then we use a 4MB page */ - if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { - is_dirty = is_write && !(pde & PG_DIRTY_MASK); - if (!(pde & PG_ACCESSED_MASK)) { - pde |= PG_ACCESSED_MASK; - if (is_dirty) - pde |= PG_DIRTY_MASK; - stl(pde_ptr, pde); - } - - pte = pde & ~0x003ff000; /* align to 4MB */ - page_size = 4096 * 1024; - virt_addr = addr & ~0x003fffff; - } else { - if (!(pde & PG_ACCESSED_MASK)) { - pde |= PG_ACCESSED_MASK; - stl(pde_ptr, pde); - } - - /* page directory entry */ - pte_ptr = phys_ram_base + ((pde & ~0xfff) + ((addr >> 10) & 0xffc)); - pte = ldl(pte_ptr); - if (!(pte & PG_PRESENT_MASK)) { - error_code = 0; - goto do_fault; - } - if (is_user) { - if (!(pte & PG_USER_MASK)) - goto do_fault_protect; - if (is_write && !(pte & PG_RW_MASK)) - goto do_fault_protect; - } else { - if ((env->cr[0] & CR0_WP_MASK) && (pte & PG_USER_MASK) && - is_write && !(pte & PG_RW_MASK)) - goto do_fault_protect; - } - is_dirty = is_write && !(pte & PG_DIRTY_MASK); - if (!(pte & PG_ACCESSED_MASK) || is_dirty) { - pte |= PG_ACCESSED_MASK; - if (is_dirty) - pte |= PG_DIRTY_MASK; - stl(pte_ptr, pte); - } - page_size = 4096; - virt_addr = addr & ~0xfff; - } - /* the page can be put in the TLB */ - prot = PROT_READ; - if (is_user) { - if (pte & PG_RW_MASK) - prot |= PROT_WRITE; - } else { - if (!(env->cr[0] & CR0_WP_MASK) || !(pte & PG_USER_MASK) || - (pte & PG_RW_MASK)) - prot |= PROT_WRITE; - } - - do_mapping: - if (env->hflags & HF_SOFTMMU_MASK) { - unsigned long paddr, vaddr, address, addend, page_offset; - int index; - - /* software MMU case. Even if 4MB pages, we map only one 4KB - page in the cache to avoid filling it too fast */ - page_offset = (addr & ~0xfff) & (page_size - 1); - paddr = (pte & ~0xfff) + page_offset; - vaddr = virt_addr + page_offset; - index = (addr >> 12) & (CPU_TLB_SIZE - 1); - pd = physpage_find(paddr); - if (pd & 0xfff) { - /* IO memory case */ - address = vaddr | pd; - addend = paddr; - } else { - /* standard memory */ - address = vaddr; - addend = (unsigned long)phys_ram_base + pd; - } - addend -= vaddr; - env->tlb_read[is_user][index].address = address; - env->tlb_read[is_user][index].addend = addend; - if (prot & PROT_WRITE) { - env->tlb_write[is_user][index].address = address; - env->tlb_write[is_user][index].addend = addend; - } - } - ret = 0; - /* XXX: incorrect for 4MB pages */ - pd = physpage_find(pte & ~0xfff); - if ((pd & 0xfff) != 0) { - /* IO access: no mapping is done as it will be handled by the - soft MMU */ - if (!(env->hflags & HF_SOFTMMU_MASK)) - ret = 2; - } else { - void *map_addr; - map_addr = mmap((void *)virt_addr, page_size, prot, - MAP_SHARED | MAP_FIXED, phys_ram_fd, pd); - if (map_addr == MAP_FAILED) { - fprintf(stderr, - "mmap failed when mapped physical address 0x%08x to virtual address 0x%08x\n", - pte & ~0xfff, virt_addr); - exit(1); - } -#ifdef DEBUG_MMU - printf("mmaping 0x%08x to virt 0x%08x pse=%d\n", - pte & ~0xfff, virt_addr, (page_size != 4096)); -#endif - page_set_flags(virt_addr, virt_addr + page_size, - PAGE_VALID | PAGE_EXEC | prot); - } - return ret; - do_fault_protect: - error_code = PG_ERROR_P_MASK; - do_fault: - env->cr[2] = addr; - env->error_code = (is_write << PG_ERROR_W_BIT) | error_code; - if (is_user) - env->error_code |= PG_ERROR_U_MASK; - return 1; -} diff --git a/op-arm-template.h b/op-arm-template.h deleted file mode 100644 index 00e9d51fef..0000000000 --- a/op-arm-template.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * ARM micro operations (templates for various register related - * operations) - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -void OPPROTO glue(op_movl_T0_, REGNAME)(void) -{ - T0 = REG; -} - -void OPPROTO glue(op_movl_T1_, REGNAME)(void) -{ - T1 = REG; -} - -void OPPROTO glue(op_movl_T2_, REGNAME)(void) -{ - T2 = REG; -} - -void OPPROTO glue(glue(op_movl_, REGNAME), _T0)(void) -{ - REG = T0; -} - -void OPPROTO glue(glue(op_movl_, REGNAME), _T1)(void) -{ - REG = T1; -} - -#undef REG -#undef REGNAME diff --git a/op-arm.c b/op-arm.c deleted file mode 100644 index 98ef9a0c9f..0000000000 --- a/op-arm.c +++ /dev/null @@ -1,673 +0,0 @@ -/* - * ARM micro operations - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "exec-arm.h" - -#define REGNAME r0 -#define REG (env->regs[0]) -#include "op-arm-template.h" - -#define REGNAME r1 -#define REG (env->regs[1]) -#include "op-arm-template.h" - -#define REGNAME r2 -#define REG (env->regs[2]) -#include "op-arm-template.h" - -#define REGNAME r3 -#define REG (env->regs[3]) -#include "op-arm-template.h" - -#define REGNAME r4 -#define REG (env->regs[4]) -#include "op-arm-template.h" - -#define REGNAME r5 -#define REG (env->regs[5]) -#include "op-arm-template.h" - -#define REGNAME r6 -#define REG (env->regs[6]) -#include "op-arm-template.h" - -#define REGNAME r7 -#define REG (env->regs[7]) -#include "op-arm-template.h" - -#define REGNAME r8 -#define REG (env->regs[8]) -#include "op-arm-template.h" - -#define REGNAME r9 -#define REG (env->regs[9]) -#include "op-arm-template.h" - -#define REGNAME r10 -#define REG (env->regs[10]) -#include "op-arm-template.h" - -#define REGNAME r11 -#define REG (env->regs[11]) -#include "op-arm-template.h" - -#define REGNAME r12 -#define REG (env->regs[12]) -#include "op-arm-template.h" - -#define REGNAME r13 -#define REG (env->regs[13]) -#include "op-arm-template.h" - -#define REGNAME r14 -#define REG (env->regs[14]) -#include "op-arm-template.h" - -#define REGNAME r15 -#define REG (env->regs[15]) -#include "op-arm-template.h" - -void OPPROTO op_movl_T0_0(void) -{ - T0 = 0; -} - -void OPPROTO op_movl_T0_im(void) -{ - T0 = PARAM1; -} - -void OPPROTO op_movl_T1_im(void) -{ - T1 = PARAM1; -} - -void OPPROTO op_movl_T2_im(void) -{ - T2 = PARAM1; -} - -void OPPROTO op_addl_T1_im(void) -{ - T1 += PARAM1; -} - -void OPPROTO op_addl_T1_T2(void) -{ - T1 += T2; -} - -void OPPROTO op_subl_T1_T2(void) -{ - T1 -= T2; -} - -void OPPROTO op_addl_T0_T1(void) -{ - T0 += T1; -} - -void OPPROTO op_addl_T0_T1_cc(void) -{ - unsigned int src1; - src1 = T0; - T0 += T1; - env->NZF = T0; - env->CF = T0 < src1; - env->VF = (src1 ^ T1 ^ -1) & (src1 ^ T0); -} - -void OPPROTO op_adcl_T0_T1(void) -{ - T0 += T1 + env->CF; -} - -void OPPROTO op_adcl_T0_T1_cc(void) -{ - unsigned int src1; - src1 = T0; - if (!env->CF) { - T0 += T1; - env->CF = T0 < src1; - } else { - T0 += T1 + 1; - env->CF = T0 <= src1; - } - env->VF = (src1 ^ T1 ^ -1) & (src1 ^ T0); - env->NZF = T0; - FORCE_RET(); -} - -#define OPSUB(sub, sbc, res, T0, T1) \ - \ -void OPPROTO op_ ## sub ## l_T0_T1(void) \ -{ \ - res = T0 - T1; \ -} \ - \ -void OPPROTO op_ ## sub ## l_T0_T1_cc(void) \ -{ \ - unsigned int src1; \ - src1 = T0; \ - T0 -= T1; \ - env->NZF = T0; \ - env->CF = src1 >= T1; \ - env->VF = (src1 ^ T1) & (src1 ^ T0); \ - res = T0; \ -} \ - \ -void OPPROTO op_ ## sbc ## l_T0_T1(void) \ -{ \ - res = T0 - T1 + env->CF - 1; \ -} \ - \ -void OPPROTO op_ ## sbc ## l_T0_T1_cc(void) \ -{ \ - unsigned int src1; \ - src1 = T0; \ - if (!env->CF) { \ - T0 = T0 - T1 - 1; \ - env->CF = src1 >= T1; \ - } else { \ - T0 = T0 - T1; \ - env->CF = src1 > T1; \ - } \ - env->VF = (src1 ^ T1) & (src1 ^ T0); \ - env->NZF = T0; \ - res = T0; \ - FORCE_RET(); \ -} - -OPSUB(sub, sbc, T0, T0, T1) - -OPSUB(rsb, rsc, T0, T1, T0) - -void OPPROTO op_andl_T0_T1(void) -{ - T0 &= T1; -} - -void OPPROTO op_xorl_T0_T1(void) -{ - T0 ^= T1; -} - -void OPPROTO op_orl_T0_T1(void) -{ - T0 |= T1; -} - -void OPPROTO op_bicl_T0_T1(void) -{ - T0 &= ~T1; -} - -void OPPROTO op_notl_T1(void) -{ - T1 = ~T1; -} - -void OPPROTO op_logic_T0_cc(void) -{ - env->NZF = T0; -} - -void OPPROTO op_logic_T1_cc(void) -{ - env->NZF = T1; -} - -#define EIP (env->regs[15]) - -void OPPROTO op_test_eq(void) -{ - if (env->NZF == 0) - JUMP_TB(op_test_eq, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_ne(void) -{ - if (env->NZF != 0) - JUMP_TB(op_test_ne, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_cs(void) -{ - if (env->CF != 0) - JUMP_TB(op_test_cs, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_cc(void) -{ - if (env->CF == 0) - JUMP_TB(op_test_cc, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_mi(void) -{ - if ((env->NZF & 0x80000000) != 0) - JUMP_TB(op_test_mi, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_pl(void) -{ - if ((env->NZF & 0x80000000) == 0) - JUMP_TB(op_test_pl, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_vs(void) -{ - if ((env->VF & 0x80000000) != 0) - JUMP_TB(op_test_vs, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_vc(void) -{ - if ((env->VF & 0x80000000) == 0) - JUMP_TB(op_test_vc, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_hi(void) -{ - if (env->CF != 0 && env->NZF != 0) - JUMP_TB(op_test_hi, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_ls(void) -{ - if (env->CF == 0 || env->NZF == 0) - JUMP_TB(op_test_ls, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_ge(void) -{ - if (((env->VF ^ env->NZF) & 0x80000000) == 0) - JUMP_TB(op_test_ge, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_lt(void) -{ - if (((env->VF ^ env->NZF) & 0x80000000) != 0) - JUMP_TB(op_test_lt, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_gt(void) -{ - if (env->NZF != 0 && ((env->VF ^ env->NZF) & 0x80000000) == 0) - JUMP_TB(op_test_gt, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_test_le(void) -{ - if (env->NZF == 0 || ((env->VF ^ env->NZF) & 0x80000000) != 0) - JUMP_TB(op_test_le, PARAM1, 0, PARAM2); - FORCE_RET(); -} - -void OPPROTO op_jmp(void) -{ - JUMP_TB(op_jmp, PARAM1, 1, PARAM2); -} - -void OPPROTO op_exit_tb(void) -{ - EXIT_TB(); -} - -void OPPROTO op_movl_T0_psr(void) -{ - T0 = compute_cpsr(); -} - -/* NOTE: N = 1 and Z = 1 cannot be stored currently */ -void OPPROTO op_movl_psr_T0(void) -{ - unsigned int psr; - psr = T0; - env->CF = (psr >> 29) & 1; - env->NZF = (psr & 0xc0000000) ^ 0x40000000; - env->VF = (psr << 3) & 0x80000000; - /* for user mode we do not update other state info */ -} - -void OPPROTO op_mul_T0_T1(void) -{ - T0 = T0 * T1; -} - -/* 64 bit unsigned mul */ -void OPPROTO op_mull_T0_T1(void) -{ - uint64_t res; - res = T0 * T1; - T1 = res >> 32; - T0 = res; -} - -/* 64 bit signed mul */ -void OPPROTO op_imull_T0_T1(void) -{ - uint64_t res; - res = (int32_t)T0 * (int32_t)T1; - T1 = res >> 32; - T0 = res; -} - -void OPPROTO op_addq_T0_T1(void) -{ - uint64_t res; - res = ((uint64_t)T1 << 32) | T0; - res += ((uint64_t)(env->regs[PARAM2]) << 32) | (env->regs[PARAM1]); - T1 = res >> 32; - T0 = res; -} - -void OPPROTO op_logicq_cc(void) -{ - env->NZF = (T1 & 0x80000000) | ((T0 | T1) != 0); -} - -/* memory access */ - -void OPPROTO op_ldub_T0_T1(void) -{ - T0 = ldub((void *)T1); -} - -void OPPROTO op_ldsb_T0_T1(void) -{ - T0 = ldsb((void *)T1); -} - -void OPPROTO op_lduw_T0_T1(void) -{ - T0 = lduw((void *)T1); -} - -void OPPROTO op_ldsw_T0_T1(void) -{ - T0 = ldsw((void *)T1); -} - -void OPPROTO op_ldl_T0_T1(void) -{ - T0 = ldl((void *)T1); -} - -void OPPROTO op_stb_T0_T1(void) -{ - stb((void *)T1, T0); -} - -void OPPROTO op_stw_T0_T1(void) -{ - stw((void *)T1, T0); -} - -void OPPROTO op_stl_T0_T1(void) -{ - stl((void *)T1, T0); -} - -void OPPROTO op_swpb_T0_T1(void) -{ - int tmp; - - cpu_lock(); - tmp = ldub((void *)T1); - stb((void *)T1, T0); - T0 = tmp; - cpu_unlock(); -} - -void OPPROTO op_swpl_T0_T1(void) -{ - int tmp; - - cpu_lock(); - tmp = ldl((void *)T1); - stl((void *)T1, T0); - T0 = tmp; - cpu_unlock(); -} - -/* shifts */ - -/* T1 based */ -void OPPROTO op_shll_T1_im(void) -{ - T1 = T1 << PARAM1; -} - -void OPPROTO op_shrl_T1_im(void) -{ - T1 = (uint32_t)T1 >> PARAM1; -} - -void OPPROTO op_sarl_T1_im(void) -{ - T1 = (int32_t)T1 >> PARAM1; -} - -void OPPROTO op_rorl_T1_im(void) -{ - int shift; - shift = PARAM1; - T1 = ((uint32_t)T1 >> shift) | (T1 << (32 - shift)); -} - -/* T1 based, set C flag */ -void OPPROTO op_shll_T1_im_cc(void) -{ - env->CF = (T1 >> (32 - PARAM1)) & 1; - T1 = T1 << PARAM1; -} - -void OPPROTO op_shrl_T1_im_cc(void) -{ - env->CF = (T1 >> (PARAM1 - 1)) & 1; - T1 = (uint32_t)T1 >> PARAM1; -} - -void OPPROTO op_sarl_T1_im_cc(void) -{ - env->CF = (T1 >> (PARAM1 - 1)) & 1; - T1 = (int32_t)T1 >> PARAM1; -} - -void OPPROTO op_rorl_T1_im_cc(void) -{ - int shift; - shift = PARAM1; - env->CF = (T1 >> (shift - 1)) & 1; - T1 = ((uint32_t)T1 >> shift) | (T1 << (32 - shift)); -} - -/* T2 based */ -void OPPROTO op_shll_T2_im(void) -{ - T2 = T2 << PARAM1; -} - -void OPPROTO op_shrl_T2_im(void) -{ - T2 = (uint32_t)T2 >> PARAM1; -} - -void OPPROTO op_sarl_T2_im(void) -{ - T2 = (int32_t)T2 >> PARAM1; -} - -void OPPROTO op_rorl_T2_im(void) -{ - int shift; - shift = PARAM1; - T2 = ((uint32_t)T2 >> shift) | (T2 << (32 - shift)); -} - -/* T1 based, use T0 as shift count */ - -void OPPROTO op_shll_T1_T0(void) -{ - int shift; - shift = T0 & 0xff; - if (shift >= 32) - T1 = 0; - else - T1 = T1 << shift; - FORCE_RET(); -} - -void OPPROTO op_shrl_T1_T0(void) -{ - int shift; - shift = T0 & 0xff; - if (shift >= 32) - T1 = 0; - else - T1 = (uint32_t)T1 >> shift; - FORCE_RET(); -} - -void OPPROTO op_sarl_T1_T0(void) -{ - int shift; - shift = T0 & 0xff; - if (shift >= 32) - shift = 31; - T1 = (int32_t)T1 >> shift; -} - -void OPPROTO op_rorl_T1_T0(void) -{ - int shift; - shift = T0 & 0x1f; - if (shift) { - T1 = ((uint32_t)T1 >> shift) | (T1 << (32 - shift)); - } - FORCE_RET(); -} - -/* T1 based, use T0 as shift count and compute CF */ - -void OPPROTO op_shll_T1_T0_cc(void) -{ - int shift; - shift = T0 & 0xff; - if (shift >= 32) { - if (shift == 32) - env->CF = T1 & 1; - else - env->CF = 0; - T1 = 0; - } else if (shift != 0) { - env->CF = (T1 >> (32 - shift)) & 1; - T1 = T1 << shift; - } - FORCE_RET(); -} - -void OPPROTO op_shrl_T1_T0_cc(void) -{ - int shift; - shift = T0 & 0xff; - if (shift >= 32) { - if (shift == 32) - env->CF = (T1 >> 31) & 1; - else - env->CF = 0; - T1 = 0; - } else if (shift != 0) { - env->CF = (T1 >> (shift - 1)) & 1; - T1 = (uint32_t)T1 >> shift; - } - FORCE_RET(); -} - -void OPPROTO op_sarl_T1_T0_cc(void) -{ - int shift; - shift = T0 & 0xff; - if (shift >= 32) { - env->CF = (T1 >> 31) & 1; - T1 = (int32_t)T1 >> 31; - } else { - env->CF = (T1 >> (shift - 1)) & 1; - T1 = (int32_t)T1 >> shift; - } - FORCE_RET(); -} - -void OPPROTO op_rorl_T1_T0_cc(void) -{ - int shift1, shift; - shift1 = T0 & 0xff; - shift = shift1 & 0x1f; - if (shift == 0) { - if (shift1 != 0) - env->CF = (T1 >> 31) & 1; - } else { - env->CF = (T1 >> (shift - 1)) & 1; - T1 = ((uint32_t)T1 >> shift) | (T1 << (32 - shift)); - } - FORCE_RET(); -} - -/* exceptions */ - -void OPPROTO op_swi(void) -{ - env->exception_index = EXCP_SWI; - cpu_loop_exit(); -} - -void OPPROTO op_undef_insn(void) -{ - env->exception_index = EXCP_UDEF; - cpu_loop_exit(); -} - -/* thread support */ - -spinlock_t global_cpu_lock = SPIN_LOCK_UNLOCKED; - -void cpu_lock(void) -{ - spin_lock(&global_cpu_lock); -} - -void cpu_unlock(void) -{ - spin_unlock(&global_cpu_lock); -} - diff --git a/op-i386.c b/op-i386.c deleted file mode 100644 index 16521c93ba..0000000000 --- a/op-i386.c +++ /dev/null @@ -1,2054 +0,0 @@ -/* - * i386 micro operations - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include "exec-i386.h" - -/* n must be a constant to be efficient */ -static inline int lshift(int x, int n) -{ - if (n >= 0) - return x << n; - else - return x >> (-n); -} - -/* we define the various pieces of code used by the JIT */ - -#define REG EAX -#define REGNAME _EAX -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG ECX -#define REGNAME _ECX -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG EDX -#define REGNAME _EDX -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG EBX -#define REGNAME _EBX -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG ESP -#define REGNAME _ESP -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG EBP -#define REGNAME _EBP -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG ESI -#define REGNAME _ESI -#include "opreg_template.h" -#undef REG -#undef REGNAME - -#define REG EDI -#define REGNAME _EDI -#include "opreg_template.h" -#undef REG -#undef REGNAME - -/* operations with flags */ - -/* update flags with T0 and T1 (add/sub case) */ -void OPPROTO op_update2_cc(void) -{ - CC_SRC = T1; - CC_DST = T0; -} - -/* update flags with T0 (logic operation case) */ -void OPPROTO op_update1_cc(void) -{ - CC_DST = T0; -} - -void OPPROTO op_update_neg_cc(void) -{ - CC_SRC = -T0; - CC_DST = T0; -} - -void OPPROTO op_cmpl_T0_T1_cc(void) -{ - CC_SRC = T1; - CC_DST = T0 - T1; -} - -void OPPROTO op_update_inc_cc(void) -{ - CC_SRC = cc_table[CC_OP].compute_c(); - CC_DST = T0; -} - -void OPPROTO op_testl_T0_T1_cc(void) -{ - CC_DST = T0 & T1; -} - -/* operations without flags */ - -void OPPROTO op_addl_T0_T1(void) -{ - T0 += T1; -} - -void OPPROTO op_orl_T0_T1(void) -{ - T0 |= T1; -} - -void OPPROTO op_andl_T0_T1(void) -{ - T0 &= T1; -} - -void OPPROTO op_subl_T0_T1(void) -{ - T0 -= T1; -} - -void OPPROTO op_xorl_T0_T1(void) -{ - T0 ^= T1; -} - -void OPPROTO op_negl_T0(void) -{ - T0 = -T0; -} - -void OPPROTO op_incl_T0(void) -{ - T0++; -} - -void OPPROTO op_decl_T0(void) -{ - T0--; -} - -void OPPROTO op_notl_T0(void) -{ - T0 = ~T0; -} - -void OPPROTO op_bswapl_T0(void) -{ - T0 = bswap32(T0); -} - -/* multiply/divide */ -void OPPROTO op_mulb_AL_T0(void) -{ - unsigned int res; - res = (uint8_t)EAX * (uint8_t)T0; - EAX = (EAX & 0xffff0000) | res; - CC_SRC = (res & 0xff00); -} - -void OPPROTO op_imulb_AL_T0(void) -{ - int res; - res = (int8_t)EAX * (int8_t)T0; - EAX = (EAX & 0xffff0000) | (res & 0xffff); - CC_SRC = (res != (int8_t)res); -} - -void OPPROTO op_mulw_AX_T0(void) -{ - unsigned int res; - res = (uint16_t)EAX * (uint16_t)T0; - EAX = (EAX & 0xffff0000) | (res & 0xffff); - EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff); - CC_SRC = res >> 16; -} - -void OPPROTO op_imulw_AX_T0(void) -{ - int res; - res = (int16_t)EAX * (int16_t)T0; - EAX = (EAX & 0xffff0000) | (res & 0xffff); - EDX = (EDX & 0xffff0000) | ((res >> 16) & 0xffff); - CC_SRC = (res != (int16_t)res); -} - -void OPPROTO op_mull_EAX_T0(void) -{ - uint64_t res; - res = (uint64_t)((uint32_t)EAX) * (uint64_t)((uint32_t)T0); - EAX = res; - EDX = res >> 32; - CC_SRC = res >> 32; -} - -void OPPROTO op_imull_EAX_T0(void) -{ - int64_t res; - res = (int64_t)((int32_t)EAX) * (int64_t)((int32_t)T0); - EAX = res; - EDX = res >> 32; - CC_SRC = (res != (int32_t)res); -} - -void OPPROTO op_imulw_T0_T1(void) -{ - int res; - res = (int16_t)T0 * (int16_t)T1; - T0 = res; - CC_SRC = (res != (int16_t)res); -} - -void OPPROTO op_imull_T0_T1(void) -{ - int64_t res; - res = (int64_t)((int32_t)T0) * (int64_t)((int32_t)T1); - T0 = res; - CC_SRC = (res != (int32_t)res); -} - -/* division, flags are undefined */ -/* XXX: add exceptions for overflow */ - -void OPPROTO op_divb_AL_T0(void) -{ - unsigned int num, den, q, r; - - num = (EAX & 0xffff); - den = (T0 & 0xff); - if (den == 0) { - EIP = PARAM1; - raise_exception(EXCP00_DIVZ); - } - q = (num / den) & 0xff; - r = (num % den) & 0xff; - EAX = (EAX & 0xffff0000) | (r << 8) | q; -} - -void OPPROTO op_idivb_AL_T0(void) -{ - int num, den, q, r; - - num = (int16_t)EAX; - den = (int8_t)T0; - if (den == 0) { - EIP = PARAM1; - raise_exception(EXCP00_DIVZ); - } - q = (num / den) & 0xff; - r = (num % den) & 0xff; - EAX = (EAX & 0xffff0000) | (r << 8) | q; -} - -void OPPROTO op_divw_AX_T0(void) -{ - unsigned int num, den, q, r; - - num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); - den = (T0 & 0xffff); - if (den == 0) { - EIP = PARAM1; - raise_exception(EXCP00_DIVZ); - } - q = (num / den) & 0xffff; - r = (num % den) & 0xffff; - EAX = (EAX & 0xffff0000) | q; - EDX = (EDX & 0xffff0000) | r; -} - -void OPPROTO op_idivw_AX_T0(void) -{ - int num, den, q, r; - - num = (EAX & 0xffff) | ((EDX & 0xffff) << 16); - den = (int16_t)T0; - if (den == 0) { - EIP = PARAM1; - raise_exception(EXCP00_DIVZ); - } - q = (num / den) & 0xffff; - r = (num % den) & 0xffff; - EAX = (EAX & 0xffff0000) | q; - EDX = (EDX & 0xffff0000) | r; -} - -void OPPROTO op_divl_EAX_T0(void) -{ - helper_divl_EAX_T0(PARAM1); -} - -void OPPROTO op_idivl_EAX_T0(void) -{ - helper_idivl_EAX_T0(PARAM1); -} - -/* constant load & misc op */ - -void OPPROTO op_movl_T0_im(void) -{ - T0 = PARAM1; -} - -void OPPROTO op_addl_T0_im(void) -{ - T0 += PARAM1; -} - -void OPPROTO op_andl_T0_ffff(void) -{ - T0 = T0 & 0xffff; -} - -void OPPROTO op_andl_T0_im(void) -{ - T0 = T0 & PARAM1; -} - -void OPPROTO op_movl_T0_T1(void) -{ - T0 = T1; -} - -void OPPROTO op_movl_T1_im(void) -{ - T1 = PARAM1; -} - -void OPPROTO op_addl_T1_im(void) -{ - T1 += PARAM1; -} - -void OPPROTO op_movl_T1_A0(void) -{ - T1 = A0; -} - -void OPPROTO op_movl_A0_im(void) -{ - A0 = PARAM1; -} - -void OPPROTO op_addl_A0_im(void) -{ - A0 += PARAM1; -} - -void OPPROTO op_addl_A0_AL(void) -{ - A0 += (EAX & 0xff); -} - -void OPPROTO op_andl_A0_ffff(void) -{ - A0 = A0 & 0xffff; -} - -/* memory access */ - -#define MEMSUFFIX -#include "ops_mem.h" - -#define MEMSUFFIX _user -#include "ops_mem.h" - -#define MEMSUFFIX _kernel -#include "ops_mem.h" - -/* used for bit operations */ - -void OPPROTO op_add_bitw_A0_T1(void) -{ - A0 += ((int32_t)T1 >> 4) << 1; -} - -void OPPROTO op_add_bitl_A0_T1(void) -{ - A0 += ((int32_t)T1 >> 5) << 2; -} - -/* indirect jump */ - -void OPPROTO op_jmp_T0(void) -{ - EIP = T0; -} - -void OPPROTO op_jmp_im(void) -{ - EIP = PARAM1; -} - -void OPPROTO op_hlt(void) -{ - env->exception_index = EXCP_HLT; - cpu_loop_exit(); -} - -void OPPROTO op_debug(void) -{ - env->exception_index = EXCP_DEBUG; - cpu_loop_exit(); -} - -void OPPROTO op_raise_interrupt(void) -{ - int intno; - unsigned int next_eip; - intno = PARAM1; - next_eip = PARAM2; - raise_interrupt(intno, 1, 0, next_eip); -} - -void OPPROTO op_raise_exception(void) -{ - int exception_index; - exception_index = PARAM1; - raise_exception(exception_index); -} - -void OPPROTO op_into(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - if (eflags & CC_O) { - raise_interrupt(EXCP04_INTO, 1, 0, PARAM1); - } - FORCE_RET(); -} - -void OPPROTO op_cli(void) -{ - env->eflags &= ~IF_MASK; -} - -void OPPROTO op_sti(void) -{ - env->eflags |= IF_MASK; -} - -void OPPROTO op_set_inhibit_irq(void) -{ - env->hflags |= HF_INHIBIT_IRQ_MASK; -} - -void OPPROTO op_reset_inhibit_irq(void) -{ - env->hflags &= ~HF_INHIBIT_IRQ_MASK; -} - -#if 0 -/* vm86plus instructions */ -void OPPROTO op_cli_vm(void) -{ - env->eflags &= ~VIF_MASK; -} - -void OPPROTO op_sti_vm(void) -{ - env->eflags |= VIF_MASK; - if (env->eflags & VIP_MASK) { - EIP = PARAM1; - raise_exception(EXCP0D_GPF); - } - FORCE_RET(); -} -#endif - -void OPPROTO op_boundw(void) -{ - int low, high, v; - low = ldsw((uint8_t *)A0); - high = ldsw((uint8_t *)A0 + 2); - v = (int16_t)T0; - if (v < low || v > high) { - EIP = PARAM1; - raise_exception(EXCP05_BOUND); - } - FORCE_RET(); -} - -void OPPROTO op_boundl(void) -{ - int low, high, v; - low = ldl((uint8_t *)A0); - high = ldl((uint8_t *)A0 + 4); - v = T0; - if (v < low || v > high) { - EIP = PARAM1; - raise_exception(EXCP05_BOUND); - } - FORCE_RET(); -} - -void OPPROTO op_cmpxchg8b(void) -{ - helper_cmpxchg8b(); -} - -void OPPROTO op_jmp(void) -{ - JUMP_TB(op_jmp, PARAM1, 0, PARAM2); -} - -void OPPROTO op_movl_T0_0(void) -{ - T0 = 0; -} - -void OPPROTO op_exit_tb(void) -{ - EXIT_TB(); -} - -/* multiple size ops */ - -#define ldul ldl - -#define SHIFT 0 -#include "ops_template.h" -#undef SHIFT - -#define SHIFT 1 -#include "ops_template.h" -#undef SHIFT - -#define SHIFT 2 -#include "ops_template.h" -#undef SHIFT - -/* sign extend */ - -void OPPROTO op_movsbl_T0_T0(void) -{ - T0 = (int8_t)T0; -} - -void OPPROTO op_movzbl_T0_T0(void) -{ - T0 = (uint8_t)T0; -} - -void OPPROTO op_movswl_T0_T0(void) -{ - T0 = (int16_t)T0; -} - -void OPPROTO op_movzwl_T0_T0(void) -{ - T0 = (uint16_t)T0; -} - -void OPPROTO op_movswl_EAX_AX(void) -{ - EAX = (int16_t)EAX; -} - -void OPPROTO op_movsbw_AX_AL(void) -{ - EAX = (EAX & 0xffff0000) | ((int8_t)EAX & 0xffff); -} - -void OPPROTO op_movslq_EDX_EAX(void) -{ - EDX = (int32_t)EAX >> 31; -} - -void OPPROTO op_movswl_DX_AX(void) -{ - EDX = (EDX & 0xffff0000) | (((int16_t)EAX >> 15) & 0xffff); -} - -/* string ops helpers */ - -void OPPROTO op_addl_ESI_T0(void) -{ - ESI += T0; -} - -void OPPROTO op_addw_ESI_T0(void) -{ - ESI = (ESI & ~0xffff) | ((ESI + T0) & 0xffff); -} - -void OPPROTO op_addl_EDI_T0(void) -{ - EDI += T0; -} - -void OPPROTO op_addw_EDI_T0(void) -{ - EDI = (EDI & ~0xffff) | ((EDI + T0) & 0xffff); -} - -void OPPROTO op_decl_ECX(void) -{ - ECX--; -} - -void OPPROTO op_decw_ECX(void) -{ - ECX = (ECX & ~0xffff) | ((ECX - 1) & 0xffff); -} - -/* push/pop */ - -void op_pushl_T0(void) -{ - uint32_t offset; - offset = ESP - 4; - stl((void *)offset, T0); - /* modify ESP after to handle exceptions correctly */ - ESP = offset; -} - -void op_pushw_T0(void) -{ - uint32_t offset; - offset = ESP - 2; - stw((void *)offset, T0); - /* modify ESP after to handle exceptions correctly */ - ESP = offset; -} - -void op_pushl_ss32_T0(void) -{ - uint32_t offset; - offset = ESP - 4; - stl(env->segs[R_SS].base + offset, T0); - /* modify ESP after to handle exceptions correctly */ - ESP = offset; -} - -void op_pushw_ss32_T0(void) -{ - uint32_t offset; - offset = ESP - 2; - stw(env->segs[R_SS].base + offset, T0); - /* modify ESP after to handle exceptions correctly */ - ESP = offset; -} - -void op_pushl_ss16_T0(void) -{ - uint32_t offset; - offset = (ESP - 4) & 0xffff; - stl(env->segs[R_SS].base + offset, T0); - /* modify ESP after to handle exceptions correctly */ - ESP = (ESP & ~0xffff) | offset; -} - -void op_pushw_ss16_T0(void) -{ - uint32_t offset; - offset = (ESP - 2) & 0xffff; - stw(env->segs[R_SS].base + offset, T0); - /* modify ESP after to handle exceptions correctly */ - ESP = (ESP & ~0xffff) | offset; -} - -/* NOTE: ESP update is done after */ -void op_popl_T0(void) -{ - T0 = ldl((void *)ESP); -} - -void op_popw_T0(void) -{ - T0 = lduw((void *)ESP); -} - -void op_popl_ss32_T0(void) -{ - T0 = ldl(env->segs[R_SS].base + ESP); -} - -void op_popw_ss32_T0(void) -{ - T0 = lduw(env->segs[R_SS].base + ESP); -} - -void op_popl_ss16_T0(void) -{ - T0 = ldl(env->segs[R_SS].base + (ESP & 0xffff)); -} - -void op_popw_ss16_T0(void) -{ - T0 = lduw(env->segs[R_SS].base + (ESP & 0xffff)); -} - -void op_addl_ESP_4(void) -{ - ESP += 4; -} - -void op_addl_ESP_2(void) -{ - ESP += 2; -} - -void op_addw_ESP_4(void) -{ - ESP = (ESP & ~0xffff) | ((ESP + 4) & 0xffff); -} - -void op_addw_ESP_2(void) -{ - ESP = (ESP & ~0xffff) | ((ESP + 2) & 0xffff); -} - -void op_addl_ESP_im(void) -{ - ESP += PARAM1; -} - -void op_addw_ESP_im(void) -{ - ESP = (ESP & ~0xffff) | ((ESP + PARAM1) & 0xffff); -} - -void OPPROTO op_rdtsc(void) -{ - helper_rdtsc(); -} - -void OPPROTO op_cpuid(void) -{ - helper_cpuid(); -} - -void OPPROTO op_rdmsr(void) -{ - helper_rdmsr(); -} - -void OPPROTO op_wrmsr(void) -{ - helper_wrmsr(); -} - -/* bcd */ - -/* XXX: exception */ -void OPPROTO op_aam(void) -{ - int base = PARAM1; - int al, ah; - al = EAX & 0xff; - ah = al / base; - al = al % base; - EAX = (EAX & ~0xffff) | al | (ah << 8); - CC_DST = al; -} - -void OPPROTO op_aad(void) -{ - int base = PARAM1; - int al, ah; - al = EAX & 0xff; - ah = (EAX >> 8) & 0xff; - al = ((ah * base) + al) & 0xff; - EAX = (EAX & ~0xffff) | al; - CC_DST = al; -} - -void OPPROTO op_aaa(void) -{ - int icarry; - int al, ah, af; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - af = eflags & CC_A; - al = EAX & 0xff; - ah = (EAX >> 8) & 0xff; - - icarry = (al > 0xf9); - if (((al & 0x0f) > 9 ) || af) { - al = (al + 6) & 0x0f; - ah = (ah + 1 + icarry) & 0xff; - eflags |= CC_C | CC_A; - } else { - eflags &= ~(CC_C | CC_A); - al &= 0x0f; - } - EAX = (EAX & ~0xffff) | al | (ah << 8); - CC_SRC = eflags; -} - -void OPPROTO op_aas(void) -{ - int icarry; - int al, ah, af; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - af = eflags & CC_A; - al = EAX & 0xff; - ah = (EAX >> 8) & 0xff; - - icarry = (al < 6); - if (((al & 0x0f) > 9 ) || af) { - al = (al - 6) & 0x0f; - ah = (ah - 1 - icarry) & 0xff; - eflags |= CC_C | CC_A; - } else { - eflags &= ~(CC_C | CC_A); - al &= 0x0f; - } - EAX = (EAX & ~0xffff) | al | (ah << 8); - CC_SRC = eflags; -} - -void OPPROTO op_daa(void) -{ - int al, af, cf; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - cf = eflags & CC_C; - af = eflags & CC_A; - al = EAX & 0xff; - - eflags = 0; - if (((al & 0x0f) > 9 ) || af) { - al = (al + 6) & 0xff; - eflags |= CC_A; - } - if ((al > 0x9f) || cf) { - al = (al + 0x60) & 0xff; - eflags |= CC_C; - } - EAX = (EAX & ~0xff) | al; - /* well, speed is not an issue here, so we compute the flags by hand */ - eflags |= (al == 0) << 6; /* zf */ - eflags |= parity_table[al]; /* pf */ - eflags |= (al & 0x80); /* sf */ - CC_SRC = eflags; -} - -void OPPROTO op_das(void) -{ - int al, al1, af, cf; - int eflags; - - eflags = cc_table[CC_OP].compute_all(); - cf = eflags & CC_C; - af = eflags & CC_A; - al = EAX & 0xff; - - eflags = 0; - al1 = al; - if (((al & 0x0f) > 9 ) || af) { - eflags |= CC_A; - if (al < 6 || cf) - eflags |= CC_C; - al = (al - 6) & 0xff; - } - if ((al1 > 0x99) || cf) { - al = (al - 0x60) & 0xff; - eflags |= CC_C; - } - EAX = (EAX & ~0xff) | al; - /* well, speed is not an issue here, so we compute the flags by hand */ - eflags |= (al == 0) << 6; /* zf */ - eflags |= parity_table[al]; /* pf */ - eflags |= (al & 0x80); /* sf */ - CC_SRC = eflags; -} - -/* segment handling */ - -/* never use it with R_CS */ -void OPPROTO op_movl_seg_T0(void) -{ - load_seg(PARAM1, T0 & 0xffff, PARAM2); -} - -/* faster VM86 version */ -void OPPROTO op_movl_seg_T0_vm(void) -{ - int selector; - SegmentCache *sc; - - selector = T0 & 0xffff; - /* env->segs[] access */ - sc = (SegmentCache *)((char *)env + PARAM1); - sc->selector = selector; - sc->base = (void *)(selector << 4); -} - -void OPPROTO op_movl_T0_seg(void) -{ - T0 = env->segs[PARAM1].selector; -} - -void OPPROTO op_movl_A0_seg(void) -{ - A0 = *(unsigned long *)((char *)env + PARAM1); -} - -void OPPROTO op_addl_A0_seg(void) -{ - A0 += *(unsigned long *)((char *)env + PARAM1); -} - -void OPPROTO op_lsl(void) -{ - helper_lsl(); -} - -void OPPROTO op_lar(void) -{ - helper_lar(); -} - -/* T0: segment, T1:eip */ -void OPPROTO op_ljmp_protected_T0_T1(void) -{ - helper_ljmp_protected_T0_T1(); -} - -void OPPROTO op_lcall_real_T0_T1(void) -{ - helper_lcall_real_T0_T1(PARAM1, PARAM2); -} - -void OPPROTO op_lcall_protected_T0_T1(void) -{ - helper_lcall_protected_T0_T1(PARAM1, PARAM2); -} - -void OPPROTO op_iret_real(void) -{ - helper_iret_real(PARAM1); -} - -void OPPROTO op_iret_protected(void) -{ - helper_iret_protected(PARAM1); -} - -void OPPROTO op_lret_protected(void) -{ - helper_lret_protected(PARAM1, PARAM2); -} - -void OPPROTO op_lldt_T0(void) -{ - helper_lldt_T0(); -} - -void OPPROTO op_ltr_T0(void) -{ - helper_ltr_T0(); -} - -/* CR registers access */ -void OPPROTO op_movl_crN_T0(void) -{ - helper_movl_crN_T0(PARAM1); -} - -/* DR registers access */ -void OPPROTO op_movl_drN_T0(void) -{ - helper_movl_drN_T0(PARAM1); -} - -void OPPROTO op_lmsw_T0(void) -{ - /* only 4 lower bits of CR0 are modified */ - T0 = (env->cr[0] & ~0xf) | (T0 & 0xf); - helper_movl_crN_T0(0); -} - -void OPPROTO op_invlpg_A0(void) -{ - helper_invlpg(A0); -} - -void OPPROTO op_movl_T0_env(void) -{ - T0 = *(uint32_t *)((char *)env + PARAM1); -} - -void OPPROTO op_movl_env_T0(void) -{ - *(uint32_t *)((char *)env + PARAM1) = T0; -} - -void OPPROTO op_movl_env_T1(void) -{ - *(uint32_t *)((char *)env + PARAM1) = T1; -} - -void OPPROTO op_clts(void) -{ - env->cr[0] &= ~CR0_TS_MASK; -} - -/* flags handling */ - -/* slow jumps cases : in order to avoid calling a function with a - pointer (which can generate a stack frame on PowerPC), we use - op_setcc to set T0 and then call op_jcc. */ -void OPPROTO op_jcc(void) -{ - if (T0) - JUMP_TB(op_jcc, PARAM1, 0, PARAM2); - else - JUMP_TB(op_jcc, PARAM1, 1, PARAM3); - FORCE_RET(); -} - -void OPPROTO op_jcc_im(void) -{ - if (T0) - EIP = PARAM1; - else - EIP = PARAM2; - FORCE_RET(); -} - -/* slow set cases (compute x86 flags) */ -void OPPROTO op_seto_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = (eflags >> 11) & 1; -} - -void OPPROTO op_setb_T0_cc(void) -{ - T0 = cc_table[CC_OP].compute_c(); -} - -void OPPROTO op_setz_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = (eflags >> 6) & 1; -} - -void OPPROTO op_setbe_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = (eflags & (CC_Z | CC_C)) != 0; -} - -void OPPROTO op_sets_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = (eflags >> 7) & 1; -} - -void OPPROTO op_setp_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = (eflags >> 2) & 1; -} - -void OPPROTO op_setl_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = ((eflags ^ (eflags >> 4)) >> 7) & 1; -} - -void OPPROTO op_setle_T0_cc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - T0 = (((eflags ^ (eflags >> 4)) & 0x80) || (eflags & CC_Z)) != 0; -} - -void OPPROTO op_xor_T0_1(void) -{ - T0 ^= 1; -} - -void OPPROTO op_set_cc_op(void) -{ - CC_OP = PARAM1; -} - -#define FL_UPDATE_MASK16 (FL_UPDATE_MASK32 & 0xffff) - -void OPPROTO op_movl_eflags_T0(void) -{ - int eflags; - eflags = T0; - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - /* we also update some system flags as in user mode */ - env->eflags = (env->eflags & ~FL_UPDATE_MASK32) | - (eflags & FL_UPDATE_MASK32); -} - -void OPPROTO op_movw_eflags_T0(void) -{ - int eflags; - eflags = T0; - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - /* we also update some system flags as in user mode */ - env->eflags = (env->eflags & ~FL_UPDATE_MASK16) | - (eflags & FL_UPDATE_MASK16); -} - -void OPPROTO op_movl_eflags_T0_cpl0(void) -{ - load_eflags(T0, FL_UPDATE_CPL0_MASK); -} - -void OPPROTO op_movw_eflags_T0_cpl0(void) -{ - load_eflags(T0, FL_UPDATE_CPL0_MASK & 0xffff); -} - -#if 0 -/* vm86plus version */ -void OPPROTO op_movw_eflags_T0_vm(void) -{ - int eflags; - eflags = T0; - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - /* we also update some system flags as in user mode */ - env->eflags = (env->eflags & ~(FL_UPDATE_MASK16 | VIF_MASK)) | - (eflags & FL_UPDATE_MASK16); - if (eflags & IF_MASK) { - env->eflags |= VIF_MASK; - if (env->eflags & VIP_MASK) { - EIP = PARAM1; - raise_exception(EXCP0D_GPF); - } - } - FORCE_RET(); -} - -void OPPROTO op_movl_eflags_T0_vm(void) -{ - int eflags; - eflags = T0; - CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); - DF = 1 - (2 * ((eflags >> 10) & 1)); - /* we also update some system flags as in user mode */ - env->eflags = (env->eflags & ~(FL_UPDATE_MASK32 | VIF_MASK)) | - (eflags & FL_UPDATE_MASK32); - if (eflags & IF_MASK) { - env->eflags |= VIF_MASK; - if (env->eflags & VIP_MASK) { - EIP = PARAM1; - raise_exception(EXCP0D_GPF); - } - } - FORCE_RET(); -} -#endif - -/* XXX: compute only O flag */ -void OPPROTO op_movb_eflags_T0(void) -{ - int of; - of = cc_table[CC_OP].compute_all() & CC_O; - CC_SRC = (T0 & (CC_S | CC_Z | CC_A | CC_P | CC_C)) | of; -} - -void OPPROTO op_movl_T0_eflags(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags |= (DF & DF_MASK); - eflags |= env->eflags & ~(VM_MASK | RF_MASK); - T0 = eflags; -} - -/* vm86plus version */ -#if 0 -void OPPROTO op_movl_T0_eflags_vm(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags |= (DF & DF_MASK); - eflags |= env->eflags & ~(VM_MASK | RF_MASK | IF_MASK); - if (env->eflags & VIF_MASK) - eflags |= IF_MASK; - T0 = eflags; -} -#endif - -void OPPROTO op_cld(void) -{ - DF = 1; -} - -void OPPROTO op_std(void) -{ - DF = -1; -} - -void OPPROTO op_clc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags &= ~CC_C; - CC_SRC = eflags; -} - -void OPPROTO op_stc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags |= CC_C; - CC_SRC = eflags; -} - -void OPPROTO op_cmc(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags ^= CC_C; - CC_SRC = eflags; -} - -void OPPROTO op_salc(void) -{ - int cf; - cf = cc_table[CC_OP].compute_c(); - EAX = (EAX & ~0xff) | ((-cf) & 0xff); -} - -static int compute_all_eflags(void) -{ - return CC_SRC; -} - -static int compute_c_eflags(void) -{ - return CC_SRC & CC_C; -} - -static int compute_c_mul(void) -{ - int cf; - cf = (CC_SRC != 0); - return cf; -} - -static int compute_all_mul(void) -{ - int cf, pf, af, zf, sf, of; - cf = (CC_SRC != 0); - pf = 0; /* undefined */ - af = 0; /* undefined */ - zf = 0; /* undefined */ - sf = 0; /* undefined */ - of = cf << 11; - return cf | pf | af | zf | sf | of; -} - -CCTable cc_table[CC_OP_NB] = { - [CC_OP_DYNAMIC] = { /* should never happen */ }, - - [CC_OP_EFLAGS] = { compute_all_eflags, compute_c_eflags }, - - [CC_OP_MUL] = { compute_all_mul, compute_c_mul }, - - [CC_OP_ADDB] = { compute_all_addb, compute_c_addb }, - [CC_OP_ADDW] = { compute_all_addw, compute_c_addw }, - [CC_OP_ADDL] = { compute_all_addl, compute_c_addl }, - - [CC_OP_ADCB] = { compute_all_adcb, compute_c_adcb }, - [CC_OP_ADCW] = { compute_all_adcw, compute_c_adcw }, - [CC_OP_ADCL] = { compute_all_adcl, compute_c_adcl }, - - [CC_OP_SUBB] = { compute_all_subb, compute_c_subb }, - [CC_OP_SUBW] = { compute_all_subw, compute_c_subw }, - [CC_OP_SUBL] = { compute_all_subl, compute_c_subl }, - - [CC_OP_SBBB] = { compute_all_sbbb, compute_c_sbbb }, - [CC_OP_SBBW] = { compute_all_sbbw, compute_c_sbbw }, - [CC_OP_SBBL] = { compute_all_sbbl, compute_c_sbbl }, - - [CC_OP_LOGICB] = { compute_all_logicb, compute_c_logicb }, - [CC_OP_LOGICW] = { compute_all_logicw, compute_c_logicw }, - [CC_OP_LOGICL] = { compute_all_logicl, compute_c_logicl }, - - [CC_OP_INCB] = { compute_all_incb, compute_c_incl }, - [CC_OP_INCW] = { compute_all_incw, compute_c_incl }, - [CC_OP_INCL] = { compute_all_incl, compute_c_incl }, - - [CC_OP_DECB] = { compute_all_decb, compute_c_incl }, - [CC_OP_DECW] = { compute_all_decw, compute_c_incl }, - [CC_OP_DECL] = { compute_all_decl, compute_c_incl }, - - [CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb }, - [CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw }, - [CC_OP_SHLL] = { compute_all_shll, compute_c_shll }, - - [CC_OP_SARB] = { compute_all_sarb, compute_c_sarl }, - [CC_OP_SARW] = { compute_all_sarw, compute_c_sarl }, - [CC_OP_SARL] = { compute_all_sarl, compute_c_sarl }, -}; - -/* floating point support. Some of the code for complicated x87 - functions comes from the LGPL'ed x86 emulator found in the Willows - TWIN windows emulator. */ - -#if defined(__powerpc__) -extern CPU86_LDouble copysign(CPU86_LDouble, CPU86_LDouble); - -/* correct (but slow) PowerPC rint() (glibc version is incorrect) */ -double qemu_rint(double x) -{ - double y = 4503599627370496.0; - if (fabs(x) >= y) - return x; - if (x < 0) - y = -y; - y = (x + y) - y; - if (y == 0.0) - y = copysign(y, x); - return y; -} - -#define rint qemu_rint -#endif - -/* fp load FT0 */ - -void OPPROTO op_flds_FT0_A0(void) -{ -#ifdef USE_FP_CONVERT - FP_CONVERT.i32 = ldl((void *)A0); - FT0 = FP_CONVERT.f; -#else - FT0 = ldfl((void *)A0); -#endif -} - -void OPPROTO op_fldl_FT0_A0(void) -{ -#ifdef USE_FP_CONVERT - FP_CONVERT.i64 = ldq((void *)A0); - FT0 = FP_CONVERT.d; -#else - FT0 = ldfq((void *)A0); -#endif -} - -/* helpers are needed to avoid static constant reference. XXX: find a better way */ -#ifdef USE_INT_TO_FLOAT_HELPERS - -void helper_fild_FT0_A0(void) -{ - FT0 = (CPU86_LDouble)ldsw((void *)A0); -} - -void helper_fildl_FT0_A0(void) -{ - FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0)); -} - -void helper_fildll_FT0_A0(void) -{ - FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0)); -} - -void OPPROTO op_fild_FT0_A0(void) -{ - helper_fild_FT0_A0(); -} - -void OPPROTO op_fildl_FT0_A0(void) -{ - helper_fildl_FT0_A0(); -} - -void OPPROTO op_fildll_FT0_A0(void) -{ - helper_fildll_FT0_A0(); -} - -#else - -void OPPROTO op_fild_FT0_A0(void) -{ -#ifdef USE_FP_CONVERT - FP_CONVERT.i32 = ldsw((void *)A0); - FT0 = (CPU86_LDouble)FP_CONVERT.i32; -#else - FT0 = (CPU86_LDouble)ldsw((void *)A0); -#endif -} - -void OPPROTO op_fildl_FT0_A0(void) -{ -#ifdef USE_FP_CONVERT - FP_CONVERT.i32 = (int32_t) ldl((void *)A0); - FT0 = (CPU86_LDouble)FP_CONVERT.i32; -#else - FT0 = (CPU86_LDouble)((int32_t)ldl((void *)A0)); -#endif -} - -void OPPROTO op_fildll_FT0_A0(void) -{ -#ifdef USE_FP_CONVERT - FP_CONVERT.i64 = (int64_t) ldq((void *)A0); - FT0 = (CPU86_LDouble)FP_CONVERT.i64; -#else - FT0 = (CPU86_LDouble)((int64_t)ldq((void *)A0)); -#endif -} -#endif - -/* fp load ST0 */ - -void OPPROTO op_flds_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; -#ifdef USE_FP_CONVERT - FP_CONVERT.i32 = ldl((void *)A0); - env->fpregs[new_fpstt] = FP_CONVERT.f; -#else - env->fpregs[new_fpstt] = ldfl((void *)A0); -#endif - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void OPPROTO op_fldl_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; -#ifdef USE_FP_CONVERT - FP_CONVERT.i64 = ldq((void *)A0); - env->fpregs[new_fpstt] = FP_CONVERT.d; -#else - env->fpregs[new_fpstt] = ldfq((void *)A0); -#endif - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -#ifdef USE_X86LDOUBLE -void OPPROTO op_fldt_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; - env->fpregs[new_fpstt] = *(long double *)A0; - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} -#else -void OPPROTO op_fldt_ST0_A0(void) -{ - helper_fldt_ST0_A0(); -} -#endif - -/* helpers are needed to avoid static constant reference. XXX: find a better way */ -#ifdef USE_INT_TO_FLOAT_HELPERS - -void helper_fild_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; - env->fpregs[new_fpstt] = (CPU86_LDouble)ldsw((void *)A0); - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void helper_fildl_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; - env->fpregs[new_fpstt] = (CPU86_LDouble)((int32_t)ldl((void *)A0)); - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void helper_fildll_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; - env->fpregs[new_fpstt] = (CPU86_LDouble)((int64_t)ldq((void *)A0)); - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void OPPROTO op_fild_ST0_A0(void) -{ - helper_fild_ST0_A0(); -} - -void OPPROTO op_fildl_ST0_A0(void) -{ - helper_fildl_ST0_A0(); -} - -void OPPROTO op_fildll_ST0_A0(void) -{ - helper_fildll_ST0_A0(); -} - -#else - -void OPPROTO op_fild_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; -#ifdef USE_FP_CONVERT - FP_CONVERT.i32 = ldsw((void *)A0); - env->fpregs[new_fpstt] = (CPU86_LDouble)FP_CONVERT.i32; -#else - env->fpregs[new_fpstt] = (CPU86_LDouble)ldsw((void *)A0); -#endif - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void OPPROTO op_fildl_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; -#ifdef USE_FP_CONVERT - FP_CONVERT.i32 = (int32_t) ldl((void *)A0); - env->fpregs[new_fpstt] = (CPU86_LDouble)FP_CONVERT.i32; -#else - env->fpregs[new_fpstt] = (CPU86_LDouble)((int32_t)ldl((void *)A0)); -#endif - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -void OPPROTO op_fildll_ST0_A0(void) -{ - int new_fpstt; - new_fpstt = (env->fpstt - 1) & 7; -#ifdef USE_FP_CONVERT - FP_CONVERT.i64 = (int64_t) ldq((void *)A0); - env->fpregs[new_fpstt] = (CPU86_LDouble)FP_CONVERT.i64; -#else - env->fpregs[new_fpstt] = (CPU86_LDouble)((int64_t)ldq((void *)A0)); -#endif - env->fpstt = new_fpstt; - env->fptags[new_fpstt] = 0; /* validate stack entry */ -} - -#endif - -/* fp store */ - -void OPPROTO op_fsts_ST0_A0(void) -{ -#ifdef USE_FP_CONVERT - FP_CONVERT.f = (float)ST0; - stfl((void *)A0, FP_CONVERT.f); -#else - stfl((void *)A0, (float)ST0); -#endif -} - -void OPPROTO op_fstl_ST0_A0(void) -{ - stfq((void *)A0, (double)ST0); -} - -#ifdef USE_X86LDOUBLE -void OPPROTO op_fstt_ST0_A0(void) -{ - *(long double *)A0 = ST0; -} -#else -void OPPROTO op_fstt_ST0_A0(void) -{ - helper_fstt_ST0_A0(); -} -#endif - -void OPPROTO op_fist_ST0_A0(void) -{ -#if defined(__sparc__) && !defined(__sparc_v9__) - register CPU86_LDouble d asm("o0"); -#else - CPU86_LDouble d; -#endif - int val; - - d = ST0; - val = lrint(d); - if (val != (int16_t)val) - val = -32768; - stw((void *)A0, val); -} - -void OPPROTO op_fistl_ST0_A0(void) -{ -#if defined(__sparc__) && !defined(__sparc_v9__) - register CPU86_LDouble d asm("o0"); -#else - CPU86_LDouble d; -#endif - int val; - - d = ST0; - val = lrint(d); - stl((void *)A0, val); -} - -void OPPROTO op_fistll_ST0_A0(void) -{ -#if defined(__sparc__) && !defined(__sparc_v9__) - register CPU86_LDouble d asm("o0"); -#else - CPU86_LDouble d; -#endif - int64_t val; - - d = ST0; - val = llrint(d); - stq((void *)A0, val); -} - -void OPPROTO op_fbld_ST0_A0(void) -{ - helper_fbld_ST0_A0(); -} - -void OPPROTO op_fbst_ST0_A0(void) -{ - helper_fbst_ST0_A0(); -} - -/* FPU move */ - -void OPPROTO op_fpush(void) -{ - fpush(); -} - -void OPPROTO op_fpop(void) -{ - fpop(); -} - -void OPPROTO op_fdecstp(void) -{ - env->fpstt = (env->fpstt - 1) & 7; - env->fpus &= (~0x4700); -} - -void OPPROTO op_fincstp(void) -{ - env->fpstt = (env->fpstt + 1) & 7; - env->fpus &= (~0x4700); -} - -void OPPROTO op_fmov_ST0_FT0(void) -{ - ST0 = FT0; -} - -void OPPROTO op_fmov_FT0_STN(void) -{ - FT0 = ST(PARAM1); -} - -void OPPROTO op_fmov_ST0_STN(void) -{ - ST0 = ST(PARAM1); -} - -void OPPROTO op_fmov_STN_ST0(void) -{ - ST(PARAM1) = ST0; -} - -void OPPROTO op_fxchg_ST0_STN(void) -{ - CPU86_LDouble tmp; - tmp = ST(PARAM1); - ST(PARAM1) = ST0; - ST0 = tmp; -} - -/* FPU operations */ - -/* XXX: handle nans */ -void OPPROTO op_fcom_ST0_FT0(void) -{ - env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ - if (ST0 < FT0) - env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ - else if (ST0 == FT0) - env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ - FORCE_RET(); -} - -/* XXX: handle nans */ -void OPPROTO op_fucom_ST0_FT0(void) -{ - env->fpus &= (~0x4500); /* (C3,C2,C0) <-- 000 */ - if (ST0 < FT0) - env->fpus |= 0x100; /* (C3,C2,C0) <-- 001 */ - else if (ST0 == FT0) - env->fpus |= 0x4000; /* (C3,C2,C0) <-- 100 */ - FORCE_RET(); -} - -/* XXX: handle nans */ -void OPPROTO op_fcomi_ST0_FT0(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags &= ~(CC_Z | CC_P | CC_C); - if (ST0 < FT0) - eflags |= CC_C; - else if (ST0 == FT0) - eflags |= CC_Z; - CC_SRC = eflags; - FORCE_RET(); -} - -/* XXX: handle nans */ -void OPPROTO op_fucomi_ST0_FT0(void) -{ - int eflags; - eflags = cc_table[CC_OP].compute_all(); - eflags &= ~(CC_Z | CC_P | CC_C); - if (ST0 < FT0) - eflags |= CC_C; - else if (ST0 == FT0) - eflags |= CC_Z; - CC_SRC = eflags; - FORCE_RET(); -} - -void OPPROTO op_fadd_ST0_FT0(void) -{ - ST0 += FT0; -} - -void OPPROTO op_fmul_ST0_FT0(void) -{ - ST0 *= FT0; -} - -void OPPROTO op_fsub_ST0_FT0(void) -{ - ST0 -= FT0; -} - -void OPPROTO op_fsubr_ST0_FT0(void) -{ - ST0 = FT0 - ST0; -} - -void OPPROTO op_fdiv_ST0_FT0(void) -{ - ST0 /= FT0; -} - -void OPPROTO op_fdivr_ST0_FT0(void) -{ - ST0 = FT0 / ST0; -} - -/* fp operations between STN and ST0 */ - -void OPPROTO op_fadd_STN_ST0(void) -{ - ST(PARAM1) += ST0; -} - -void OPPROTO op_fmul_STN_ST0(void) -{ - ST(PARAM1) *= ST0; -} - -void OPPROTO op_fsub_STN_ST0(void) -{ - ST(PARAM1) -= ST0; -} - -void OPPROTO op_fsubr_STN_ST0(void) -{ - CPU86_LDouble *p; - p = &ST(PARAM1); - *p = ST0 - *p; -} - -void OPPROTO op_fdiv_STN_ST0(void) -{ - ST(PARAM1) /= ST0; -} - -void OPPROTO op_fdivr_STN_ST0(void) -{ - CPU86_LDouble *p; - p = &ST(PARAM1); - *p = ST0 / *p; -} - -/* misc FPU operations */ -void OPPROTO op_fchs_ST0(void) -{ - ST0 = -ST0; -} - -void OPPROTO op_fabs_ST0(void) -{ - ST0 = fabs(ST0); -} - -void OPPROTO op_fxam_ST0(void) -{ - helper_fxam_ST0(); -} - -void OPPROTO op_fld1_ST0(void) -{ - ST0 = f15rk[1]; -} - -void OPPROTO op_fldl2t_ST0(void) -{ - ST0 = f15rk[6]; -} - -void OPPROTO op_fldl2e_ST0(void) -{ - ST0 = f15rk[5]; -} - -void OPPROTO op_fldpi_ST0(void) -{ - ST0 = f15rk[2]; -} - -void OPPROTO op_fldlg2_ST0(void) -{ - ST0 = f15rk[3]; -} - -void OPPROTO op_fldln2_ST0(void) -{ - ST0 = f15rk[4]; -} - -void OPPROTO op_fldz_ST0(void) -{ - ST0 = f15rk[0]; -} - -void OPPROTO op_fldz_FT0(void) -{ - ST0 = f15rk[0]; -} - -/* associated heplers to reduce generated code length and to simplify - relocation (FP constants are usually stored in .rodata section) */ - -void OPPROTO op_f2xm1(void) -{ - helper_f2xm1(); -} - -void OPPROTO op_fyl2x(void) -{ - helper_fyl2x(); -} - -void OPPROTO op_fptan(void) -{ - helper_fptan(); -} - -void OPPROTO op_fpatan(void) -{ - helper_fpatan(); -} - -void OPPROTO op_fxtract(void) -{ - helper_fxtract(); -} - -void OPPROTO op_fprem1(void) -{ - helper_fprem1(); -} - - -void OPPROTO op_fprem(void) -{ - helper_fprem(); -} - -void OPPROTO op_fyl2xp1(void) -{ - helper_fyl2xp1(); -} - -void OPPROTO op_fsqrt(void) -{ - helper_fsqrt(); -} - -void OPPROTO op_fsincos(void) -{ - helper_fsincos(); -} - -void OPPROTO op_frndint(void) -{ - helper_frndint(); -} - -void OPPROTO op_fscale(void) -{ - helper_fscale(); -} - -void OPPROTO op_fsin(void) -{ - helper_fsin(); -} - -void OPPROTO op_fcos(void) -{ - helper_fcos(); -} - -void OPPROTO op_fnstsw_A0(void) -{ - int fpus; - fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; - stw((void *)A0, fpus); -} - -void OPPROTO op_fnstsw_EAX(void) -{ - int fpus; - fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11; - EAX = (EAX & 0xffff0000) | fpus; -} - -void OPPROTO op_fnstcw_A0(void) -{ - stw((void *)A0, env->fpuc); -} - -void OPPROTO op_fldcw_A0(void) -{ - int rnd_type; - env->fpuc = lduw((void *)A0); - /* set rounding mode */ - switch(env->fpuc & RC_MASK) { - default: - case RC_NEAR: - rnd_type = FE_TONEAREST; - break; - case RC_DOWN: - rnd_type = FE_DOWNWARD; - break; - case RC_UP: - rnd_type = FE_UPWARD; - break; - case RC_CHOP: - rnd_type = FE_TOWARDZERO; - break; - } - fesetround(rnd_type); -} - -void OPPROTO op_fclex(void) -{ - env->fpus &= 0x7f00; -} - -void OPPROTO op_fninit(void) -{ - env->fpus = 0; - env->fpstt = 0; - env->fpuc = 0x37f; - env->fptags[0] = 1; - env->fptags[1] = 1; - env->fptags[2] = 1; - env->fptags[3] = 1; - env->fptags[4] = 1; - env->fptags[5] = 1; - env->fptags[6] = 1; - env->fptags[7] = 1; -} - -void OPPROTO op_fnstenv_A0(void) -{ - helper_fstenv((uint8_t *)A0, PARAM1); -} - -void OPPROTO op_fldenv_A0(void) -{ - helper_fldenv((uint8_t *)A0, PARAM1); -} - -void OPPROTO op_fnsave_A0(void) -{ - helper_fsave((uint8_t *)A0, PARAM1); -} - -void OPPROTO op_frstor_A0(void) -{ - helper_frstor((uint8_t *)A0, PARAM1); -} - -/* threading support */ -void OPPROTO op_lock(void) -{ - cpu_lock(); -} - -void OPPROTO op_unlock(void) -{ - cpu_unlock(); -} - diff --git a/opreg_template.h b/opreg_template.h deleted file mode 100644 index f35a1bbc95..0000000000 --- a/opreg_template.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * i386 micro operations (templates for various register related - * operations) - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -void OPPROTO glue(op_movl_A0,REGNAME)(void) -{ - A0 = REG; -} - -void OPPROTO glue(op_addl_A0,REGNAME)(void) -{ - A0 += REG; -} - -void OPPROTO glue(glue(op_addl_A0,REGNAME),_s1)(void) -{ - A0 += REG << 1; -} - -void OPPROTO glue(glue(op_addl_A0,REGNAME),_s2)(void) -{ - A0 += REG << 2; -} - -void OPPROTO glue(glue(op_addl_A0,REGNAME),_s3)(void) -{ - A0 += REG << 3; -} - -void OPPROTO glue(op_movl_T0,REGNAME)(void) -{ - T0 = REG; -} - -void OPPROTO glue(op_movl_T1,REGNAME)(void) -{ - T1 = REG; -} - -void OPPROTO glue(op_movh_T0,REGNAME)(void) -{ - T0 = REG >> 8; -} - -void OPPROTO glue(op_movh_T1,REGNAME)(void) -{ - T1 = REG >> 8; -} - -void OPPROTO glue(glue(op_movl,REGNAME),_T0)(void) -{ - REG = T0; -} - -void OPPROTO glue(glue(op_movl,REGNAME),_T1)(void) -{ - REG = T1; -} - -void OPPROTO glue(glue(op_movl,REGNAME),_A0)(void) -{ - REG = A0; -} - -/* mov T1 to REG if T0 is true */ -void OPPROTO glue(glue(op_cmovw,REGNAME),_T1_T0)(void) -{ - if (T0) - REG = (REG & 0xffff0000) | (T1 & 0xffff); -} - -void OPPROTO glue(glue(op_cmovl,REGNAME),_T1_T0)(void) -{ - if (T0) - REG = T1; -} - -/* NOTE: T0 high order bits are ignored */ -void OPPROTO glue(glue(op_movw,REGNAME),_T0)(void) -{ - REG = (REG & 0xffff0000) | (T0 & 0xffff); -} - -/* NOTE: T0 high order bits are ignored */ -void OPPROTO glue(glue(op_movw,REGNAME),_T1)(void) -{ - REG = (REG & 0xffff0000) | (T1 & 0xffff); -} - -/* NOTE: A0 high order bits are ignored */ -void OPPROTO glue(glue(op_movw,REGNAME),_A0)(void) -{ - REG = (REG & 0xffff0000) | (A0 & 0xffff); -} - -/* NOTE: T0 high order bits are ignored */ -void OPPROTO glue(glue(op_movb,REGNAME),_T0)(void) -{ - REG = (REG & 0xffffff00) | (T0 & 0xff); -} - -/* NOTE: T0 high order bits are ignored */ -void OPPROTO glue(glue(op_movh,REGNAME),_T0)(void) -{ - REG = (REG & 0xffff00ff) | ((T0 & 0xff) << 8); -} - -/* NOTE: T1 high order bits are ignored */ -void OPPROTO glue(glue(op_movb,REGNAME),_T1)(void) -{ - REG = (REG & 0xffffff00) | (T1 & 0xff); -} - -/* NOTE: T1 high order bits are ignored */ -void OPPROTO glue(glue(op_movh,REGNAME),_T1)(void) -{ - REG = (REG & 0xffff00ff) | ((T1 & 0xff) << 8); -} diff --git a/ops_mem.h b/ops_mem.h deleted file mode 100644 index e1c8277bbc..0000000000 --- a/ops_mem.h +++ /dev/null @@ -1,66 +0,0 @@ -void OPPROTO glue(glue(op_ldub, MEMSUFFIX), _T0_A0)(void) -{ - T0 = glue(ldub, MEMSUFFIX)((uint8_t *)A0); -} - -void OPPROTO glue(glue(op_ldsb, MEMSUFFIX), _T0_A0)(void) -{ - T0 = glue(ldsb, MEMSUFFIX)((int8_t *)A0); -} - -void OPPROTO glue(glue(op_lduw, MEMSUFFIX), _T0_A0)(void) -{ - T0 = glue(lduw, MEMSUFFIX)((uint8_t *)A0); -} - -void OPPROTO glue(glue(op_ldsw, MEMSUFFIX), _T0_A0)(void) -{ - T0 = glue(ldsw, MEMSUFFIX)((int8_t *)A0); -} - -void OPPROTO glue(glue(op_ldl, MEMSUFFIX), _T0_A0)(void) -{ - T0 = glue(ldl, MEMSUFFIX)((uint8_t *)A0); -} - -void OPPROTO glue(glue(op_ldub, MEMSUFFIX), _T1_A0)(void) -{ - T1 = glue(ldub, MEMSUFFIX)((uint8_t *)A0); -} - -void OPPROTO glue(glue(op_ldsb, MEMSUFFIX), _T1_A0)(void) -{ - T1 = glue(ldsb, MEMSUFFIX)((int8_t *)A0); -} - -void OPPROTO glue(glue(op_lduw, MEMSUFFIX), _T1_A0)(void) -{ - T1 = glue(lduw, MEMSUFFIX)((uint8_t *)A0); -} - -void OPPROTO glue(glue(op_ldsw, MEMSUFFIX), _T1_A0)(void) -{ - T1 = glue(ldsw, MEMSUFFIX)((int8_t *)A0); -} - -void OPPROTO glue(glue(op_ldl, MEMSUFFIX), _T1_A0)(void) -{ - T1 = glue(ldl, MEMSUFFIX)((uint8_t *)A0); -} - -void OPPROTO glue(glue(op_stb, MEMSUFFIX), _T0_A0)(void) -{ - glue(stb, MEMSUFFIX)((uint8_t *)A0, T0); -} - -void OPPROTO glue(glue(op_stw, MEMSUFFIX), _T0_A0)(void) -{ - glue(stw, MEMSUFFIX)((uint8_t *)A0, T0); -} - -void OPPROTO glue(glue(op_stl, MEMSUFFIX), _T0_A0)(void) -{ - glue(stl, MEMSUFFIX)((uint8_t *)A0, T0); -} - -#undef MEMSUFFIX diff --git a/ops_template.h b/ops_template.h deleted file mode 100644 index 182296743b..0000000000 --- a/ops_template.h +++ /dev/null @@ -1,617 +0,0 @@ -/* - * i386 micro operations (included several times to generate - * different operand sizes) - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#define DATA_BITS (1 << (3 + SHIFT)) -#define SHIFT_MASK (DATA_BITS - 1) -#define SIGN_MASK (1 << (DATA_BITS - 1)) - -#if DATA_BITS == 8 -#define SUFFIX b -#define DATA_TYPE uint8_t -#define DATA_STYPE int8_t -#define DATA_MASK 0xff -#elif DATA_BITS == 16 -#define SUFFIX w -#define DATA_TYPE uint16_t -#define DATA_STYPE int16_t -#define DATA_MASK 0xffff -#elif DATA_BITS == 32 -#define SUFFIX l -#define DATA_TYPE uint32_t -#define DATA_STYPE int32_t -#define DATA_MASK 0xffffffff -#else -#error unhandled operand size -#endif - -/* dynamic flags computation */ - -static int glue(compute_all_add, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - int src1, src2; - src1 = CC_SRC; - src2 = CC_DST - CC_SRC; - cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_add, SUFFIX)(void) -{ - int src1, cf; - src1 = CC_SRC; - cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1; - return cf; -} - -static int glue(compute_all_adc, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - int src1, src2; - src1 = CC_SRC; - src2 = CC_DST - CC_SRC - 1; - cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_adc, SUFFIX)(void) -{ - int src1, cf; - src1 = CC_SRC; - cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1; - return cf; -} - -static int glue(compute_all_sub, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_sub, SUFFIX)(void) -{ - int src1, src2, cf; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 < (DATA_TYPE)src2; - return cf; -} - -static int glue(compute_all_sbb, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - int src1, src2; - src1 = CC_DST + CC_SRC + 1; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_sbb, SUFFIX)(void) -{ - int src1, src2, cf; - src1 = CC_DST + CC_SRC + 1; - src2 = CC_SRC; - cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2; - return cf; -} - -static int glue(compute_all_logic, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = 0; - pf = parity_table[(uint8_t)CC_DST]; - af = 0; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = 0; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_logic, SUFFIX)(void) -{ - return 0; -} - -static int glue(compute_all_inc, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - int src1, src2; - src1 = CC_DST - 1; - src2 = 1; - cf = CC_SRC; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11; - return cf | pf | af | zf | sf | of; -} - -#if DATA_BITS == 32 -static int glue(compute_c_inc, SUFFIX)(void) -{ - return CC_SRC; -} -#endif - -static int glue(compute_all_dec, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - int src1, src2; - src1 = CC_DST + 1; - src2 = 1; - cf = CC_SRC; - pf = parity_table[(uint8_t)CC_DST]; - af = (CC_DST ^ src1 ^ src2) & 0x10; - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - of = ((CC_DST & DATA_MASK) == ((uint32_t)SIGN_MASK - 1)) << 11; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_all_shl, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C; - pf = parity_table[(uint8_t)CC_DST]; - af = 0; /* undefined */ - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - /* of is defined if shift count == 1 */ - of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -static int glue(compute_c_shl, SUFFIX)(void) -{ - return (CC_SRC >> (DATA_BITS - 1)) & CC_C; -} - -#if DATA_BITS == 32 -static int glue(compute_c_sar, SUFFIX)(void) -{ - return CC_SRC & 1; -} -#endif - -static int glue(compute_all_sar, SUFFIX)(void) -{ - int cf, pf, af, zf, sf, of; - cf = CC_SRC & 1; - pf = parity_table[(uint8_t)CC_DST]; - af = 0; /* undefined */ - zf = ((DATA_TYPE)CC_DST == 0) << 6; - sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80; - /* of is defined if shift count == 1 */ - of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O; - return cf | pf | af | zf | sf | of; -} - -/* various optimized jumps cases */ - -void OPPROTO glue(op_jb_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - if ((DATA_TYPE)src1 < (DATA_TYPE)src2) - JUMP_TB(glue(op_jb_sub, SUFFIX), PARAM1, 0, PARAM2); - else - JUMP_TB(glue(op_jb_sub, SUFFIX), PARAM1, 1, PARAM3); - FORCE_RET(); -} - -void OPPROTO glue(op_jz_sub, SUFFIX)(void) -{ - if ((DATA_TYPE)CC_DST == 0) - JUMP_TB(glue(op_jz_sub, SUFFIX), PARAM1, 0, PARAM2); - else - JUMP_TB(glue(op_jz_sub, SUFFIX), PARAM1, 1, PARAM3); - FORCE_RET(); -} - -void OPPROTO glue(op_jbe_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - if ((DATA_TYPE)src1 <= (DATA_TYPE)src2) - JUMP_TB(glue(op_jbe_sub, SUFFIX), PARAM1, 0, PARAM2); - else - JUMP_TB(glue(op_jbe_sub, SUFFIX), PARAM1, 1, PARAM3); - FORCE_RET(); -} - -void OPPROTO glue(op_js_sub, SUFFIX)(void) -{ - if (CC_DST & SIGN_MASK) - JUMP_TB(glue(op_js_sub, SUFFIX), PARAM1, 0, PARAM2); - else - JUMP_TB(glue(op_js_sub, SUFFIX), PARAM1, 1, PARAM3); - FORCE_RET(); -} - -void OPPROTO glue(op_jl_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - if ((DATA_STYPE)src1 < (DATA_STYPE)src2) - JUMP_TB(glue(op_jl_sub, SUFFIX), PARAM1, 0, PARAM2); - else - JUMP_TB(glue(op_jl_sub, SUFFIX), PARAM1, 1, PARAM3); - FORCE_RET(); -} - -void OPPROTO glue(op_jle_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - if ((DATA_STYPE)src1 <= (DATA_STYPE)src2) - JUMP_TB(glue(op_jle_sub, SUFFIX), PARAM1, 0, PARAM2); - else - JUMP_TB(glue(op_jle_sub, SUFFIX), PARAM1, 1, PARAM3); - FORCE_RET(); -} - -/* oldies */ - -#if DATA_BITS >= 16 - -void OPPROTO glue(op_loopnz, SUFFIX)(void) -{ - unsigned int tmp; - int eflags; - eflags = cc_table[CC_OP].compute_all(); - tmp = (ECX - 1) & DATA_MASK; - ECX = (ECX & ~DATA_MASK) | tmp; - if (tmp != 0 && !(eflags & CC_Z)) - EIP = PARAM1; - else - EIP = PARAM2; - FORCE_RET(); -} - -void OPPROTO glue(op_loopz, SUFFIX)(void) -{ - unsigned int tmp; - int eflags; - eflags = cc_table[CC_OP].compute_all(); - tmp = (ECX - 1) & DATA_MASK; - ECX = (ECX & ~DATA_MASK) | tmp; - if (tmp != 0 && (eflags & CC_Z)) - EIP = PARAM1; - else - EIP = PARAM2; - FORCE_RET(); -} - -void OPPROTO glue(op_loop, SUFFIX)(void) -{ - unsigned int tmp; - tmp = (ECX - 1) & DATA_MASK; - ECX = (ECX & ~DATA_MASK) | tmp; - if (tmp != 0) - EIP = PARAM1; - else - EIP = PARAM2; - FORCE_RET(); -} - -void OPPROTO glue(op_jecxz, SUFFIX)(void) -{ - if ((DATA_TYPE)ECX == 0) - EIP = PARAM1; - else - EIP = PARAM2; - FORCE_RET(); -} - -#endif - -/* various optimized set cases */ - -void OPPROTO glue(op_setb_T0_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - T0 = ((DATA_TYPE)src1 < (DATA_TYPE)src2); -} - -void OPPROTO glue(op_setz_T0_sub, SUFFIX)(void) -{ - T0 = ((DATA_TYPE)CC_DST == 0); -} - -void OPPROTO glue(op_setbe_T0_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - T0 = ((DATA_TYPE)src1 <= (DATA_TYPE)src2); -} - -void OPPROTO glue(op_sets_T0_sub, SUFFIX)(void) -{ - T0 = lshift(CC_DST, -(DATA_BITS - 1)) & 1; -} - -void OPPROTO glue(op_setl_T0_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - T0 = ((DATA_STYPE)src1 < (DATA_STYPE)src2); -} - -void OPPROTO glue(op_setle_T0_sub, SUFFIX)(void) -{ - int src1, src2; - src1 = CC_DST + CC_SRC; - src2 = CC_SRC; - - T0 = ((DATA_STYPE)src1 <= (DATA_STYPE)src2); -} - -/* shifts */ - -void OPPROTO glue(glue(op_shl, SUFFIX), _T0_T1)(void) -{ - int count; - count = T1 & 0x1f; - T0 = T0 << count; - FORCE_RET(); -} - -void OPPROTO glue(glue(op_shr, SUFFIX), _T0_T1)(void) -{ - int count; - count = T1 & 0x1f; - T0 &= DATA_MASK; - T0 = T0 >> count; - FORCE_RET(); -} - -void OPPROTO glue(glue(op_sar, SUFFIX), _T0_T1)(void) -{ - int count, src; - count = T1 & 0x1f; - src = (DATA_STYPE)T0; - T0 = src >> count; - FORCE_RET(); -} - -#undef MEM_WRITE -#include "ops_template_mem.h" - -#define MEM_WRITE -#include "ops_template_mem.h" - -/* bit operations */ -#if DATA_BITS >= 16 - -void OPPROTO glue(glue(op_bt, SUFFIX), _T0_T1_cc)(void) -{ - int count; - count = T1 & SHIFT_MASK; - CC_SRC = T0 >> count; -} - -void OPPROTO glue(glue(op_bts, SUFFIX), _T0_T1_cc)(void) -{ - int count; - count = T1 & SHIFT_MASK; - T1 = T0 >> count; - T0 |= (1 << count); -} - -void OPPROTO glue(glue(op_btr, SUFFIX), _T0_T1_cc)(void) -{ - int count; - count = T1 & SHIFT_MASK; - T1 = T0 >> count; - T0 &= ~(1 << count); -} - -void OPPROTO glue(glue(op_btc, SUFFIX), _T0_T1_cc)(void) -{ - int count; - count = T1 & SHIFT_MASK; - T1 = T0 >> count; - T0 ^= (1 << count); -} - -void OPPROTO glue(glue(op_bsf, SUFFIX), _T0_cc)(void) -{ - int res, count; - res = T0 & DATA_MASK; - if (res != 0) { - count = 0; - while ((res & 1) == 0) { - count++; - res >>= 1; - } - T0 = count; - CC_DST = 1; /* ZF = 1 */ - } else { - CC_DST = 0; /* ZF = 1 */ - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_bsr, SUFFIX), _T0_cc)(void) -{ - int res, count; - res = T0 & DATA_MASK; - if (res != 0) { - count = DATA_BITS - 1; - while ((res & SIGN_MASK) == 0) { - count--; - res <<= 1; - } - T0 = count; - CC_DST = 1; /* ZF = 1 */ - } else { - CC_DST = 0; /* ZF = 1 */ - } - FORCE_RET(); -} - -#endif - -#if DATA_BITS == 32 -void OPPROTO op_update_bt_cc(void) -{ - CC_SRC = T1; -} -#endif - -/* string operations */ - -void OPPROTO glue(op_movl_T0_Dshift, SUFFIX)(void) -{ - T0 = DF << SHIFT; -} - -void OPPROTO glue(op_string_jz_sub, SUFFIX)(void) -{ - if ((DATA_TYPE)CC_DST == 0) - JUMP_TB2(glue(op_string_jz_sub, SUFFIX), PARAM1, 1); - FORCE_RET(); -} - -void OPPROTO glue(op_string_jnz_sub, SUFFIX)(void) -{ - if ((DATA_TYPE)CC_DST != 0) - JUMP_TB2(glue(op_string_jnz_sub, SUFFIX), PARAM1, 1); - FORCE_RET(); -} - -void OPPROTO glue(glue(op_string_jz_sub, SUFFIX), _im)(void) -{ - if ((DATA_TYPE)CC_DST == 0) { - EIP = PARAM1; - if (env->eflags & TF_MASK) { - raise_exception(EXCP01_SSTP); - } - T0 = 0; - EXIT_TB(); - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_string_jnz_sub, SUFFIX), _im)(void) -{ - if ((DATA_TYPE)CC_DST != 0) { - EIP = PARAM1; - if (env->eflags & TF_MASK) { - raise_exception(EXCP01_SSTP); - } - T0 = 0; - EXIT_TB(); - } - FORCE_RET(); -} - -#if DATA_BITS >= 16 -void OPPROTO glue(op_jz_ecx, SUFFIX)(void) -{ - if ((DATA_TYPE)ECX == 0) - JUMP_TB(glue(op_jz_ecx, SUFFIX), PARAM1, 1, PARAM2); - FORCE_RET(); -} - -void OPPROTO glue(glue(op_jz_ecx, SUFFIX), _im)(void) -{ - if ((DATA_TYPE)ECX == 0) { - EIP = PARAM1; - if (env->eflags & TF_MASK) { - raise_exception(EXCP01_SSTP); - } - T0 = 0; - EXIT_TB(); - } - FORCE_RET(); -} -#endif - -/* port I/O */ - -void OPPROTO glue(glue(op_out, SUFFIX), _T0_T1)(void) -{ - glue(cpu_x86_out, SUFFIX)(env, T0 & 0xffff, T1 & DATA_MASK); -} - -void OPPROTO glue(glue(op_in, SUFFIX), _T0_T1)(void) -{ - T1 = glue(cpu_x86_in, SUFFIX)(env, T0 & 0xffff); -} - -void OPPROTO glue(glue(op_in, SUFFIX), _DX_T0)(void) -{ - T0 = glue(cpu_x86_in, SUFFIX)(env, EDX & 0xffff); -} - -void OPPROTO glue(glue(op_out, SUFFIX), _DX_T0)(void) -{ - glue(cpu_x86_out, SUFFIX)(env, EDX & 0xffff, T0); -} - -#undef DATA_BITS -#undef SHIFT_MASK -#undef SIGN_MASK -#undef DATA_TYPE -#undef DATA_STYPE -#undef DATA_MASK -#undef SUFFIX diff --git a/ops_template_mem.h b/ops_template_mem.h deleted file mode 100644 index eacaabba5c..0000000000 --- a/ops_template_mem.h +++ /dev/null @@ -1,429 +0,0 @@ -/* - * i386 micro operations (included several times to generate - * different operand sizes) - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifdef MEM_WRITE - -#if DATA_BITS == 8 -#define MEM_SUFFIX b_mem -#elif DATA_BITS == 16 -#define MEM_SUFFIX w_mem -#elif DATA_BITS == 32 -#define MEM_SUFFIX l_mem -#endif - -#else - -#define MEM_SUFFIX SUFFIX - -#endif - -void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, src; - count = T1 & SHIFT_MASK; - if (count) { - src = T0; - T0 &= DATA_MASK; - T0 = (T0 << count) | (T0 >> (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#else - /* gcc 3.2 workaround. This is really a bug in gcc. */ - asm volatile("" : : "r" (T0)); -#endif - CC_SRC = (cc_table[CC_OP].compute_all() & ~(CC_O | CC_C)) | - (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | - (T0 & CC_C); - CC_OP = CC_OP_EFLAGS; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, src; - count = T1 & SHIFT_MASK; - if (count) { - src = T0; - T0 &= DATA_MASK; - T0 = (T0 >> count) | (T0 << (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#else - /* gcc 3.2 workaround. This is really a bug in gcc. */ - asm volatile("" : : "r" (T0)); -#endif - CC_SRC = (cc_table[CC_OP].compute_all() & ~(CC_O | CC_C)) | - (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | - ((T0 >> (DATA_BITS - 1)) & CC_C); - CC_OP = CC_OP_EFLAGS; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1)(void) -{ - int count; - count = T1 & SHIFT_MASK; - if (count) { - T0 &= DATA_MASK; - T0 = (T0 << count) | (T0 >> (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1)(void) -{ - int count; - count = T1 & SHIFT_MASK; - if (count) { - T0 &= DATA_MASK; - T0 = (T0 >> count) | (T0 << (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_rcl, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, res, eflags; - unsigned int src; - - count = T1 & 0x1f; -#if DATA_BITS == 16 - count = rclw_table[count]; -#elif DATA_BITS == 8 - count = rclb_table[count]; -#endif - if (count) { - eflags = cc_table[CC_OP].compute_all(); - T0 &= DATA_MASK; - src = T0; - res = (T0 << count) | ((eflags & CC_C) << (count - 1)); - if (count > 1) - res |= T0 >> (DATA_BITS + 1 - count); - T0 = res; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = (eflags & ~(CC_C | CC_O)) | - (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | - ((src >> (DATA_BITS - count)) & CC_C); - CC_OP = CC_OP_EFLAGS; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_rcr, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, res, eflags; - unsigned int src; - - count = T1 & 0x1f; -#if DATA_BITS == 16 - count = rclw_table[count]; -#elif DATA_BITS == 8 - count = rclb_table[count]; -#endif - if (count) { - eflags = cc_table[CC_OP].compute_all(); - T0 &= DATA_MASK; - src = T0; - res = (T0 >> count) | ((eflags & CC_C) << (DATA_BITS - count)); - if (count > 1) - res |= T0 << (DATA_BITS + 1 - count); - T0 = res; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = (eflags & ~(CC_C | CC_O)) | - (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | - ((src >> (count - 1)) & CC_C); - CC_OP = CC_OP_EFLAGS; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_shl, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, src; - count = T1 & 0x1f; - if (count) { - src = (DATA_TYPE)T0 << (count - 1); - T0 = T0 << count; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = src; - CC_DST = T0; - CC_OP = CC_OP_SHLB + SHIFT; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_shr, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, src; - count = T1 & 0x1f; - if (count) { - T0 &= DATA_MASK; - src = T0 >> (count - 1); - T0 = T0 >> count; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = src; - CC_DST = T0; - CC_OP = CC_OP_SARB + SHIFT; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_sar, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int count, src; - count = T1 & 0x1f; - if (count) { - src = (DATA_STYPE)T0; - T0 = src >> count; - src = src >> (count - 1); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = src; - CC_DST = T0; - CC_OP = CC_OP_SARB + SHIFT; - } - FORCE_RET(); -} - -#if DATA_BITS == 16 -/* XXX: overflow flag might be incorrect in some cases in shldw */ -void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void) -{ - int count; - unsigned int res, tmp; - count = PARAM1; - T1 &= 0xffff; - res = T1 | (T0 << 16); - tmp = res >> (32 - count); - res <<= count; - if (count > 16) - res |= T1 << (count - 16); - T0 = res >> 16; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; -} - -void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void) -{ - int count; - unsigned int res, tmp; - count = ECX & 0x1f; - if (count) { - T1 &= 0xffff; - res = T1 | (T0 << 16); - tmp = res >> (32 - count); - res <<= count; - if (count > 16) - res |= T1 << (count - 16); - T0 = res >> 16; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; - CC_OP = CC_OP_SARB + SHIFT; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void) -{ - int count; - unsigned int res, tmp; - - count = PARAM1; - res = (T0 & 0xffff) | (T1 << 16); - tmp = res >> (count - 1); - res >>= count; - if (count > 16) - res |= T1 << (32 - count); - T0 = res; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; -} - - -void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void) -{ - int count; - unsigned int res, tmp; - - count = ECX & 0x1f; - if (count) { - res = (T0 & 0xffff) | (T1 << 16); - tmp = res >> (count - 1); - res >>= count; - if (count > 16) - res |= T1 << (32 - count); - T0 = res; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; - CC_OP = CC_OP_SARB + SHIFT; - } - FORCE_RET(); -} -#endif - -#if DATA_BITS == 32 -void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void) -{ - int count, tmp; - count = PARAM1; - T0 &= DATA_MASK; - T1 &= DATA_MASK; - tmp = T0 << (count - 1); - T0 = (T0 << count) | (T1 >> (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; -} - -void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void) -{ - int count, tmp; - count = ECX & 0x1f; - if (count) { - T0 &= DATA_MASK; - T1 &= DATA_MASK; - tmp = T0 << (count - 1); - T0 = (T0 << count) | (T1 >> (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; - CC_OP = CC_OP_SHLB + SHIFT; - } - FORCE_RET(); -} - -void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void) -{ - int count, tmp; - count = PARAM1; - T0 &= DATA_MASK; - T1 &= DATA_MASK; - tmp = T0 >> (count - 1); - T0 = (T0 >> count) | (T1 << (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; -} - - -void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void) -{ - int count, tmp; - count = ECX & 0x1f; - if (count) { - T0 &= DATA_MASK; - T1 &= DATA_MASK; - tmp = T0 >> (count - 1); - T0 = (T0 >> count) | (T1 << (DATA_BITS - count)); -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = tmp; - CC_DST = T0; - CC_OP = CC_OP_SARB + SHIFT; - } - FORCE_RET(); -} -#endif - -/* carry add/sub (we only need to set CC_OP differently) */ - -void OPPROTO glue(glue(op_adc, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int cf; - cf = cc_table[CC_OP].compute_c(); - T0 = T0 + T1 + cf; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = T1; - CC_DST = T0; - CC_OP = CC_OP_ADDB + SHIFT + cf * 3; -} - -void OPPROTO glue(glue(op_sbb, MEM_SUFFIX), _T0_T1_cc)(void) -{ - int cf; - cf = cc_table[CC_OP].compute_c(); - T0 = T0 - T1 - cf; -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = T1; - CC_DST = T0; - CC_OP = CC_OP_SUBB + SHIFT + cf * 3; -} - -void OPPROTO glue(glue(op_cmpxchg, MEM_SUFFIX), _T0_T1_EAX_cc)(void) -{ - unsigned int src, dst; - - src = T0; - dst = EAX - T0; - if ((DATA_TYPE)dst == 0) { - T0 = T1; - } else { - EAX = (EAX & ~DATA_MASK) | (T0 & DATA_MASK); - } -#ifdef MEM_WRITE - glue(st, SUFFIX)((uint8_t *)A0, T0); -#endif - CC_SRC = src; - CC_DST = dst; - FORCE_RET(); -} - -#undef MEM_SUFFIX -#undef MEM_WRITE diff --git a/vlmkcow.c b/qemu-mkcow.c index 2cc6332e7f..2cc6332e7f 100644 --- a/vlmkcow.c +++ b/qemu-mkcow.c diff --git a/syscall-arm.h b/syscall-arm.h deleted file mode 100644 index 34153c998d..0000000000 --- a/syscall-arm.h +++ /dev/null @@ -1,28 +0,0 @@ - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -struct target_pt_regs { - target_long uregs[18]; -}; - -#define ARM_cpsr uregs[16] -#define ARM_pc uregs[15] -#define ARM_lr uregs[14] -#define ARM_sp uregs[13] -#define ARM_ip uregs[12] -#define ARM_fp uregs[11] -#define ARM_r10 uregs[10] -#define ARM_r9 uregs[9] -#define ARM_r8 uregs[8] -#define ARM_r7 uregs[7] -#define ARM_r6 uregs[6] -#define ARM_r5 uregs[5] -#define ARM_r4 uregs[4] -#define ARM_r3 uregs[3] -#define ARM_r2 uregs[2] -#define ARM_r1 uregs[1] -#define ARM_r0 uregs[0] -#define ARM_ORIG_r0 uregs[17] - -#define ARM_SYSCALL_BASE 0x900000 diff --git a/syscall-i386.h b/syscall-i386.h deleted file mode 100644 index e1f470d78f..0000000000 --- a/syscall-i386.h +++ /dev/null @@ -1,220 +0,0 @@ -/* default linux values for the selectors */ -#define __USER_CS (0x23) -#define __USER_DS (0x2B) - -struct target_pt_regs { - long ebx; - long ecx; - long edx; - long esi; - long edi; - long ebp; - long eax; - int xds; - int xes; - long orig_eax; - long eip; - int xcs; - long eflags; - long esp; - int xss; -}; - -/* ioctls */ - -#define TARGET_LDT_ENTRIES 8192 -#define TARGET_LDT_ENTRY_SIZE 8 - -#define TARGET_GDT_ENTRY_TLS_ENTRIES 3 -#define TARGET_GDT_ENTRY_TLS_MIN 6 -#define TARGET_GDT_ENTRY_TLS_MAX (TARGET_GDT_ENTRY_TLS_MIN + TARGET_GDT_ENTRY_TLS_ENTRIES - 1) - -struct target_modify_ldt_ldt_s { - unsigned int entry_number; - target_ulong base_addr; - unsigned int limit; - unsigned int flags; -}; - -/* vm86 defines */ - -#define TARGET_BIOSSEG 0x0f000 - -#define TARGET_CPU_086 0 -#define TARGET_CPU_186 1 -#define TARGET_CPU_286 2 -#define TARGET_CPU_386 3 -#define TARGET_CPU_486 4 -#define TARGET_CPU_586 5 - -#define TARGET_VM86_SIGNAL 0 /* return due to signal */ -#define TARGET_VM86_UNKNOWN 1 /* unhandled GP fault - IO-instruction or similar */ -#define TARGET_VM86_INTx 2 /* int3/int x instruction (ARG = x) */ -#define TARGET_VM86_STI 3 /* sti/popf/iret instruction enabled virtual interrupts */ - -/* - * Additional return values when invoking new vm86() - */ -#define TARGET_VM86_PICRETURN 4 /* return due to pending PIC request */ -#define TARGET_VM86_TRAP 6 /* return due to DOS-debugger request */ - -/* - * function codes when invoking new vm86() - */ -#define TARGET_VM86_PLUS_INSTALL_CHECK 0 -#define TARGET_VM86_ENTER 1 -#define TARGET_VM86_ENTER_NO_BYPASS 2 -#define TARGET_VM86_REQUEST_IRQ 3 -#define TARGET_VM86_FREE_IRQ 4 -#define TARGET_VM86_GET_IRQ_BITS 5 -#define TARGET_VM86_GET_AND_RESET_IRQ 6 - -/* - * This is the stack-layout seen by the user space program when we have - * done a translation of "SAVE_ALL" from vm86 mode. The real kernel layout - * is 'kernel_vm86_regs' (see below). - */ - -struct target_vm86_regs { -/* - * normal regs, with special meaning for the segment descriptors.. - */ - target_long ebx; - target_long ecx; - target_long edx; - target_long esi; - target_long edi; - target_long ebp; - target_long eax; - target_long __null_ds; - target_long __null_es; - target_long __null_fs; - target_long __null_gs; - target_long orig_eax; - target_long eip; - unsigned short cs, __csh; - target_long eflags; - target_long esp; - unsigned short ss, __ssh; -/* - * these are specific to v86 mode: - */ - unsigned short es, __esh; - unsigned short ds, __dsh; - unsigned short fs, __fsh; - unsigned short gs, __gsh; -}; - -struct target_revectored_struct { - target_ulong __map[8]; /* 256 bits */ -}; - -struct target_vm86_struct { - struct target_vm86_regs regs; - target_ulong flags; - target_ulong screen_bitmap; - target_ulong cpu_type; - struct target_revectored_struct int_revectored; - struct target_revectored_struct int21_revectored; -}; - -/* - * flags masks - */ -#define TARGET_VM86_SCREEN_BITMAP 0x0001 - -struct target_vm86plus_info_struct { - target_ulong flags; -#define TARGET_force_return_for_pic (1 << 0) -#define TARGET_vm86dbg_active (1 << 1) /* for debugger */ -#define TARGET_vm86dbg_TFpendig (1 << 2) /* for debugger */ -#define TARGET_is_vm86pus (1 << 31) /* for vm86 internal use */ - unsigned char vm86dbg_intxxtab[32]; /* for debugger */ -}; - -struct target_vm86plus_struct { - struct target_vm86_regs regs; - target_ulong flags; - target_ulong screen_bitmap; - target_ulong cpu_type; - struct target_revectored_struct int_revectored; - struct target_revectored_struct int21_revectored; - struct target_vm86plus_info_struct vm86plus; -}; - -/* ipcs */ - -#define TARGET_SEMOP 1 -#define TARGET_SEMGET 2 -#define TARGET_SEMCTL 3 -#define TARGET_MSGSND 11 -#define TARGET_MSGRCV 12 -#define TARGET_MSGGET 13 -#define TARGET_MSGCTL 14 -#define TARGET_SHMAT 21 -#define TARGET_SHMDT 22 -#define TARGET_SHMGET 23 -#define TARGET_SHMCTL 24 - -struct target_msgbuf { - int mtype; - char mtext[1]; -}; - -struct target_ipc_kludge { - unsigned int msgp; /* Really (struct msgbuf *) */ - int msgtyp; -}; - -struct target_ipc_perm { - int key; - unsigned short uid; - unsigned short gid; - unsigned short cuid; - unsigned short cgid; - unsigned short mode; - unsigned short seq; -}; - -struct target_msqid_ds { - struct target_ipc_perm msg_perm; - unsigned int msg_first; /* really struct target_msg* */ - unsigned int msg_last; /* really struct target_msg* */ - unsigned int msg_stime; /* really target_time_t */ - unsigned int msg_rtime; /* really target_time_t */ - unsigned int msg_ctime; /* really target_time_t */ - unsigned int wwait; /* really struct wait_queue* */ - unsigned int rwait; /* really struct wait_queue* */ - unsigned short msg_cbytes; - unsigned short msg_qnum; - unsigned short msg_qbytes; - unsigned short msg_lspid; - unsigned short msg_lrpid; -}; - -struct target_shmid_ds { - struct target_ipc_perm shm_perm; - int shm_segsz; - unsigned int shm_atime; /* really target_time_t */ - unsigned int shm_dtime; /* really target_time_t */ - unsigned int shm_ctime; /* really target_time_t */ - unsigned short shm_cpid; - unsigned short shm_lpid; - short shm_nattch; - unsigned short shm_npages; - unsigned long *shm_pages; - void *attaches; /* really struct shm_desc * */ -}; - -#define TARGET_IPC_RMID 0 -#define TARGET_IPC_SET 1 -#define TARGET_IPC_STAT 2 - -union target_semun { - int val; - unsigned int buf; /* really struct semid_ds * */ - unsigned int array; /* really unsigned short * */ - unsigned int __buf; /* really struct seminfo * */ - unsigned int __pad; /* really void* */ -}; - diff --git a/translate.c b/translate-all.c index c9bca64db3..ff9e037bb0 100644 --- a/translate.c +++ b/translate-all.c @@ -26,34 +26,19 @@ #include "config.h" #define IN_OP_I386 -#if defined(TARGET_I386) -#include "cpu-i386.h" -#define OPC_CPU_H "opc-i386.h" -#elif defined(TARGET_ARM) -#include "cpu-arm.h" -#define OPC_CPU_H "opc-arm.h" -#else -#error unsupported target CPU -#endif - -#include "exec.h" +#include "cpu.h" +#include "exec-all.h" #include "disas.h" enum { #define DEF(s, n, copy_size) INDEX_op_ ## s, -#include OPC_CPU_H +#include "opc.h" #undef DEF NB_OPS, }; #include "dyngen.h" -#if defined(TARGET_I386) -#include "op-i386.h" -#elif defined(TARGET_ARM) -#include "op-arm.h" -#else -#error unsupported target CPU -#endif +#include "op.h" uint16_t gen_opc_buf[OPC_BUF_SIZE]; uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE]; @@ -66,13 +51,13 @@ uint8_t gen_opc_cc_op[OPC_BUF_SIZE]; #ifdef DEBUG_DISAS static const char *op_str[] = { #define DEF(s, n, copy_size) #s, -#include OPC_CPU_H +#include "opc.h" #undef DEF }; static uint8_t op_nb_args[] = { #define DEF(s, n, copy_size) n, -#include OPC_CPU_H +#include "opc.h" #undef DEF }; @@ -146,7 +131,7 @@ int cpu_gen_code(CPUState *env, TranslationBlock *tb, static const unsigned short opc_copy_size[] = { #define DEF(s, n, copy_size) copy_size, -#include OPC_CPU_H +#include "opc.h" #undef DEF }; @@ -204,6 +189,8 @@ int cpu_restore_state(TranslationBlock *tb, } #elif defined(TARGET_ARM) env->regs[15] = gen_opc_pc[j]; +#elif defined(TARGET_SPARC) + env->pc = gen_opc_pc[j]; #endif return 0; } diff --git a/translate-arm.c b/translate-arm.c deleted file mode 100644 index bc8be855fb..0000000000 --- a/translate-arm.c +++ /dev/null @@ -1,903 +0,0 @@ -/* - * ARM translation - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <stdarg.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> - -#include "cpu-arm.h" -#include "exec.h" -#include "disas.h" - -/* internal defines */ -typedef struct DisasContext { - uint8_t *pc; - int is_jmp; - struct TranslationBlock *tb; -} DisasContext; - -#define DISAS_JUMP_NEXT 4 - -/* XXX: move that elsewhere */ -static uint16_t *gen_opc_ptr; -static uint32_t *gen_opparam_ptr; -extern FILE *logfile; -extern int loglevel; - -enum { -#define DEF(s, n, copy_size) INDEX_op_ ## s, -#include "opc-arm.h" -#undef DEF - NB_OPS, -}; - -#include "gen-op-arm.h" - -typedef void (GenOpFunc)(void); -typedef void (GenOpFunc1)(long); -typedef void (GenOpFunc2)(long, long); -typedef void (GenOpFunc3)(long, long, long); - -static GenOpFunc2 *gen_test_cc[14] = { - gen_op_test_eq, - gen_op_test_ne, - gen_op_test_cs, - gen_op_test_cc, - gen_op_test_mi, - gen_op_test_pl, - gen_op_test_vs, - gen_op_test_vc, - gen_op_test_hi, - gen_op_test_ls, - gen_op_test_ge, - gen_op_test_lt, - gen_op_test_gt, - gen_op_test_le, -}; - -const uint8_t table_logic_cc[16] = { - 1, /* and */ - 1, /* xor */ - 0, /* sub */ - 0, /* rsb */ - 0, /* add */ - 0, /* adc */ - 0, /* sbc */ - 0, /* rsc */ - 1, /* andl */ - 1, /* xorl */ - 0, /* cmp */ - 0, /* cmn */ - 1, /* orr */ - 1, /* mov */ - 1, /* bic */ - 1, /* mvn */ -}; - -static GenOpFunc1 *gen_shift_T1_im[4] = { - gen_op_shll_T1_im, - gen_op_shrl_T1_im, - gen_op_sarl_T1_im, - gen_op_rorl_T1_im, -}; - -static GenOpFunc1 *gen_shift_T2_im[4] = { - gen_op_shll_T2_im, - gen_op_shrl_T2_im, - gen_op_sarl_T2_im, - gen_op_rorl_T2_im, -}; - -static GenOpFunc1 *gen_shift_T1_im_cc[4] = { - gen_op_shll_T1_im_cc, - gen_op_shrl_T1_im_cc, - gen_op_sarl_T1_im_cc, - gen_op_rorl_T1_im_cc, -}; - -static GenOpFunc *gen_shift_T1_T0[4] = { - gen_op_shll_T1_T0, - gen_op_shrl_T1_T0, - gen_op_sarl_T1_T0, - gen_op_rorl_T1_T0, -}; - -static GenOpFunc *gen_shift_T1_T0_cc[4] = { - gen_op_shll_T1_T0_cc, - gen_op_shrl_T1_T0_cc, - gen_op_sarl_T1_T0_cc, - gen_op_rorl_T1_T0_cc, -}; - -static GenOpFunc *gen_op_movl_TN_reg[3][16] = { - { - gen_op_movl_T0_r0, - gen_op_movl_T0_r1, - gen_op_movl_T0_r2, - gen_op_movl_T0_r3, - gen_op_movl_T0_r4, - gen_op_movl_T0_r5, - gen_op_movl_T0_r6, - gen_op_movl_T0_r7, - gen_op_movl_T0_r8, - gen_op_movl_T0_r9, - gen_op_movl_T0_r10, - gen_op_movl_T0_r11, - gen_op_movl_T0_r12, - gen_op_movl_T0_r13, - gen_op_movl_T0_r14, - gen_op_movl_T0_r15, - }, - { - gen_op_movl_T1_r0, - gen_op_movl_T1_r1, - gen_op_movl_T1_r2, - gen_op_movl_T1_r3, - gen_op_movl_T1_r4, - gen_op_movl_T1_r5, - gen_op_movl_T1_r6, - gen_op_movl_T1_r7, - gen_op_movl_T1_r8, - gen_op_movl_T1_r9, - gen_op_movl_T1_r10, - gen_op_movl_T1_r11, - gen_op_movl_T1_r12, - gen_op_movl_T1_r13, - gen_op_movl_T1_r14, - gen_op_movl_T1_r15, - }, - { - gen_op_movl_T2_r0, - gen_op_movl_T2_r1, - gen_op_movl_T2_r2, - gen_op_movl_T2_r3, - gen_op_movl_T2_r4, - gen_op_movl_T2_r5, - gen_op_movl_T2_r6, - gen_op_movl_T2_r7, - gen_op_movl_T2_r8, - gen_op_movl_T2_r9, - gen_op_movl_T2_r10, - gen_op_movl_T2_r11, - gen_op_movl_T2_r12, - gen_op_movl_T2_r13, - gen_op_movl_T2_r14, - gen_op_movl_T2_r15, - }, -}; - -static GenOpFunc *gen_op_movl_reg_TN[2][16] = { - { - gen_op_movl_r0_T0, - gen_op_movl_r1_T0, - gen_op_movl_r2_T0, - gen_op_movl_r3_T0, - gen_op_movl_r4_T0, - gen_op_movl_r5_T0, - gen_op_movl_r6_T0, - gen_op_movl_r7_T0, - gen_op_movl_r8_T0, - gen_op_movl_r9_T0, - gen_op_movl_r10_T0, - gen_op_movl_r11_T0, - gen_op_movl_r12_T0, - gen_op_movl_r13_T0, - gen_op_movl_r14_T0, - gen_op_movl_r15_T0, - }, - { - gen_op_movl_r0_T1, - gen_op_movl_r1_T1, - gen_op_movl_r2_T1, - gen_op_movl_r3_T1, - gen_op_movl_r4_T1, - gen_op_movl_r5_T1, - gen_op_movl_r6_T1, - gen_op_movl_r7_T1, - gen_op_movl_r8_T1, - gen_op_movl_r9_T1, - gen_op_movl_r10_T1, - gen_op_movl_r11_T1, - gen_op_movl_r12_T1, - gen_op_movl_r13_T1, - gen_op_movl_r14_T1, - gen_op_movl_r15_T1, - }, -}; - -static GenOpFunc1 *gen_op_movl_TN_im[3] = { - gen_op_movl_T0_im, - gen_op_movl_T1_im, - gen_op_movl_T2_im, -}; - -static inline void gen_movl_TN_reg(DisasContext *s, int reg, int t) -{ - int val; - - if (reg == 15) { - /* normaly, since we updated PC, we need only to add 4 */ - val = (long)s->pc + 4; - gen_op_movl_TN_im[t](val); - } else { - gen_op_movl_TN_reg[t][reg](); - } -} - -static inline void gen_movl_T0_reg(DisasContext *s, int reg) -{ - gen_movl_TN_reg(s, reg, 0); -} - -static inline void gen_movl_T1_reg(DisasContext *s, int reg) -{ - gen_movl_TN_reg(s, reg, 1); -} - -static inline void gen_movl_T2_reg(DisasContext *s, int reg) -{ - gen_movl_TN_reg(s, reg, 2); -} - -static inline void gen_movl_reg_TN(DisasContext *s, int reg, int t) -{ - gen_op_movl_reg_TN[t][reg](); - if (reg == 15) { - s->is_jmp = DISAS_JUMP; - } -} - -static inline void gen_movl_reg_T0(DisasContext *s, int reg) -{ - gen_movl_reg_TN(s, reg, 0); -} - -static inline void gen_movl_reg_T1(DisasContext *s, int reg) -{ - gen_movl_reg_TN(s, reg, 1); -} - -static inline void gen_add_data_offset(DisasContext *s, unsigned int insn) -{ - int val, rm, shift; - - if (!(insn & (1 << 25))) { - /* immediate */ - val = insn & 0xfff; - if (!(insn & (1 << 23))) - val = -val; - gen_op_addl_T1_im(val); - } else { - /* shift/register */ - rm = (insn) & 0xf; - shift = (insn >> 7) & 0x1f; - gen_movl_T2_reg(s, rm); - if (shift != 0) { - gen_shift_T2_im[(insn >> 5) & 3](shift); - } - if (!(insn & (1 << 23))) - gen_op_subl_T1_T2(); - else - gen_op_addl_T1_T2(); - } -} - -static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn) -{ - int val, rm; - - if (insn & (1 << 22)) { - /* immediate */ - val = (insn & 0xf) | ((insn >> 4) & 0xf0); - if (!(insn & (1 << 23))) - val = -val; - gen_op_addl_T1_im(val); - } else { - /* register */ - rm = (insn) & 0xf; - gen_movl_T2_reg(s, rm); - if (!(insn & (1 << 23))) - gen_op_subl_T1_T2(); - else - gen_op_addl_T1_T2(); - } -} - -static void disas_arm_insn(DisasContext *s) -{ - unsigned int cond, insn, val, op1, i, shift, rm, rs, rn, rd, sh; - - insn = ldl(s->pc); - s->pc += 4; - - cond = insn >> 28; - if (cond == 0xf) - goto illegal_op; - if (cond != 0xe) { - /* if not always execute, we generate a conditional jump to - next instruction */ - gen_test_cc[cond ^ 1]((long)s->tb, (long)s->pc); - s->is_jmp = DISAS_JUMP_NEXT; - } - if (((insn & 0x0e000000) == 0 && - (insn & 0x00000090) != 0x90) || - ((insn & 0x0e000000) == (1 << 25))) { - int set_cc, logic_cc, shiftop; - - op1 = (insn >> 21) & 0xf; - set_cc = (insn >> 20) & 1; - logic_cc = table_logic_cc[op1] & set_cc; - - /* data processing instruction */ - if (insn & (1 << 25)) { - /* immediate operand */ - val = insn & 0xff; - shift = ((insn >> 8) & 0xf) * 2; - if (shift) - val = (val >> shift) | (val << (32 - shift)); - gen_op_movl_T1_im(val); - /* XXX: is CF modified ? */ - } else { - /* register */ - rm = (insn) & 0xf; - gen_movl_T1_reg(s, rm); - shiftop = (insn >> 5) & 3; - if (!(insn & (1 << 4))) { - shift = (insn >> 7) & 0x1f; - if (shift != 0) { - if (logic_cc) { - gen_shift_T1_im_cc[shiftop](shift); - } else { - gen_shift_T1_im[shiftop](shift); - } - } - } else { - rs = (insn >> 8) & 0xf; - gen_movl_T0_reg(s, rs); - if (logic_cc) { - gen_shift_T1_T0_cc[shiftop](); - } else { - gen_shift_T1_T0[shiftop](); - } - } - } - if (op1 != 0x0f && op1 != 0x0d) { - rn = (insn >> 16) & 0xf; - gen_movl_T0_reg(s, rn); - } - rd = (insn >> 12) & 0xf; - switch(op1) { - case 0x00: - gen_op_andl_T0_T1(); - gen_movl_reg_T0(s, rd); - if (logic_cc) - gen_op_logic_T0_cc(); - break; - case 0x01: - gen_op_xorl_T0_T1(); - gen_movl_reg_T0(s, rd); - if (logic_cc) - gen_op_logic_T0_cc(); - break; - case 0x02: - if (set_cc) - gen_op_subl_T0_T1_cc(); - else - gen_op_subl_T0_T1(); - gen_movl_reg_T0(s, rd); - break; - case 0x03: - if (set_cc) - gen_op_rsbl_T0_T1_cc(); - else - gen_op_rsbl_T0_T1(); - gen_movl_reg_T0(s, rd); - break; - case 0x04: - if (set_cc) - gen_op_addl_T0_T1_cc(); - else - gen_op_addl_T0_T1(); - gen_movl_reg_T0(s, rd); - break; - case 0x05: - if (set_cc) - gen_op_adcl_T0_T1_cc(); - else - gen_op_adcl_T0_T1(); - gen_movl_reg_T0(s, rd); - break; - case 0x06: - if (set_cc) - gen_op_sbcl_T0_T1_cc(); - else - gen_op_sbcl_T0_T1(); - gen_movl_reg_T0(s, rd); - break; - case 0x07: - if (set_cc) - gen_op_rscl_T0_T1_cc(); - else - gen_op_rscl_T0_T1(); - gen_movl_reg_T0(s, rd); - break; - case 0x08: - if (set_cc) { - gen_op_andl_T0_T1(); - gen_op_logic_T0_cc(); - } - break; - case 0x09: - if (set_cc) { - gen_op_xorl_T0_T1(); - gen_op_logic_T0_cc(); - } - break; - case 0x0a: - if (set_cc) { - gen_op_subl_T0_T1_cc(); - } - break; - case 0x0b: - if (set_cc) { - gen_op_addl_T0_T1_cc(); - } - break; - case 0x0c: - gen_op_orl_T0_T1(); - gen_movl_reg_T0(s, rd); - if (logic_cc) - gen_op_logic_T0_cc(); - break; - case 0x0d: - gen_movl_reg_T1(s, rd); - if (logic_cc) - gen_op_logic_T1_cc(); - break; - case 0x0e: - gen_op_bicl_T0_T1(); - gen_movl_reg_T0(s, rd); - if (logic_cc) - gen_op_logic_T0_cc(); - break; - default: - case 0x0f: - gen_op_notl_T1(); - gen_movl_reg_T1(s, rd); - if (logic_cc) - gen_op_logic_T1_cc(); - break; - } - } else { - /* other instructions */ - op1 = (insn >> 24) & 0xf; - switch(op1) { - case 0x0: - case 0x1: - sh = (insn >> 5) & 3; - if (sh == 0) { - if (op1 == 0x0) { - rd = (insn >> 16) & 0xf; - rn = (insn >> 12) & 0xf; - rs = (insn >> 8) & 0xf; - rm = (insn) & 0xf; - if (!(insn & (1 << 23))) { - /* 32 bit mul */ - gen_movl_T0_reg(s, rs); - gen_movl_T1_reg(s, rm); - gen_op_mul_T0_T1(); - if (insn & (1 << 21)) { - gen_movl_T1_reg(s, rn); - gen_op_addl_T0_T1(); - } - if (insn & (1 << 20)) - gen_op_logic_T0_cc(); - gen_movl_reg_T0(s, rd); - } else { - /* 64 bit mul */ - gen_movl_T0_reg(s, rs); - gen_movl_T1_reg(s, rm); - if (insn & (1 << 22)) - gen_op_mull_T0_T1(); - else - gen_op_imull_T0_T1(); - if (insn & (1 << 21)) - gen_op_addq_T0_T1(rn, rd); - if (insn & (1 << 20)) - gen_op_logicq_cc(); - gen_movl_reg_T0(s, rn); - gen_movl_reg_T1(s, rd); - } - } else { - /* SWP instruction */ - rn = (insn >> 16) & 0xf; - rd = (insn >> 12) & 0xf; - rm = (insn) & 0xf; - - gen_movl_T0_reg(s, rm); - gen_movl_T1_reg(s, rn); - if (insn & (1 << 22)) { - gen_op_swpb_T0_T1(); - } else { - gen_op_swpl_T0_T1(); - } - gen_movl_reg_T0(s, rd); - } - } else { - /* load/store half word */ - rn = (insn >> 16) & 0xf; - rd = (insn >> 12) & 0xf; - gen_movl_T1_reg(s, rn); - if (insn & (1 << 25)) - gen_add_datah_offset(s, insn); - if (insn & (1 << 20)) { - /* load */ - switch(sh) { - case 1: - gen_op_lduw_T0_T1(); - break; - case 2: - gen_op_ldsb_T0_T1(); - break; - default: - case 3: - gen_op_ldsw_T0_T1(); - break; - } - } else { - /* store */ - gen_op_stw_T0_T1(); - } - if (!(insn & (1 << 24))) { - gen_add_datah_offset(s, insn); - gen_movl_reg_T1(s, rn); - } else if (insn & (1 << 21)) { - gen_movl_reg_T1(s, rn); - } - } - break; - case 0x4: - case 0x5: - case 0x6: - case 0x7: - /* load/store byte/word */ - rn = (insn >> 16) & 0xf; - rd = (insn >> 12) & 0xf; - gen_movl_T1_reg(s, rn); - if (insn & (1 << 24)) - gen_add_data_offset(s, insn); - if (insn & (1 << 20)) { - /* load */ - if (insn & (1 << 22)) - gen_op_ldub_T0_T1(); - else - gen_op_ldl_T0_T1(); - gen_movl_reg_T0(s, rd); - } else { - /* store */ - gen_movl_T0_reg(s, rd); - if (insn & (1 << 22)) - gen_op_stb_T0_T1(); - else - gen_op_stl_T0_T1(); - } - if (!(insn & (1 << 24))) { - gen_add_data_offset(s, insn); - gen_movl_reg_T1(s, rn); - } else if (insn & (1 << 21)) - gen_movl_reg_T1(s, rn); { - } - break; - case 0x08: - case 0x09: - { - int j, n; - /* load/store multiple words */ - /* XXX: store correct base if write back */ - if (insn & (1 << 22)) - goto illegal_op; /* only usable in supervisor mode */ - rn = (insn >> 16) & 0xf; - gen_movl_T1_reg(s, rn); - - /* compute total size */ - n = 0; - for(i=0;i<16;i++) { - if (insn & (1 << i)) - n++; - } - /* XXX: test invalid n == 0 case ? */ - if (insn & (1 << 23)) { - if (insn & (1 << 24)) { - /* pre increment */ - gen_op_addl_T1_im(4); - } else { - /* post increment */ - } - } else { - if (insn & (1 << 24)) { - /* pre decrement */ - gen_op_addl_T1_im(-(n * 4)); - } else { - /* post decrement */ - if (n != 1) - gen_op_addl_T1_im(-((n - 1) * 4)); - } - } - j = 0; - for(i=0;i<16;i++) { - if (insn & (1 << i)) { - if (insn & (1 << 20)) { - /* load */ - gen_op_ldl_T0_T1(); - gen_movl_reg_T0(s, i); - } else { - /* store */ - if (i == 15) { - /* special case: r15 = PC + 12 */ - val = (long)s->pc + 8; - gen_op_movl_TN_im[0](val); - } else { - gen_movl_T0_reg(s, i); - } - gen_op_stl_T0_T1(); - } - j++; - /* no need to add after the last transfer */ - if (j != n) - gen_op_addl_T1_im(4); - } - } - if (insn & (1 << 21)) { - /* write back */ - if (insn & (1 << 23)) { - if (insn & (1 << 24)) { - /* pre increment */ - } else { - /* post increment */ - gen_op_addl_T1_im(4); - } - } else { - if (insn & (1 << 24)) { - /* pre decrement */ - if (n != 1) - gen_op_addl_T1_im(-((n - 1) * 4)); - } else { - /* post decrement */ - gen_op_addl_T1_im(-(n * 4)); - } - } - gen_movl_reg_T1(s, rn); - } - } - break; - case 0xa: - case 0xb: - { - int offset; - - /* branch (and link) */ - val = (int)s->pc; - if (insn & (1 << 24)) { - gen_op_movl_T0_im(val); - gen_op_movl_reg_TN[0][14](); - } - offset = (((int)insn << 8) >> 8); - val += (offset << 2) + 4; - gen_op_jmp((long)s->tb, val); - s->is_jmp = DISAS_TB_JUMP; - } - break; - case 0xf: - /* swi */ - gen_op_movl_T0_im((long)s->pc); - gen_op_movl_reg_TN[0][15](); - gen_op_swi(); - s->is_jmp = DISAS_JUMP; - break; - case 0xc: - case 0xd: - rd = (insn >> 12) & 0x7; - rn = (insn >> 16) & 0xf; - gen_movl_T1_reg(s, rn); - val = (insn) & 0xff; - if (!(insn & (1 << 23))) - val = -val; - switch((insn >> 8) & 0xf) { - case 0x1: - /* load/store */ - if ((insn & (1 << 24))) - gen_op_addl_T1_im(val); - /* XXX: do it */ - if (!(insn & (1 << 24))) - gen_op_addl_T1_im(val); - if (insn & (1 << 21)) - gen_movl_reg_T1(s, rn); - break; - case 0x2: - { - int n, i; - /* load store multiple */ - if ((insn & (1 << 24))) - gen_op_addl_T1_im(val); - switch(insn & 0x00408000) { - case 0x00008000: n = 1; break; - case 0x00400000: n = 2; break; - case 0x00408000: n = 3; break; - default: n = 4; break; - } - for(i = 0;i < n; i++) { - /* XXX: do it */ - } - if (!(insn & (1 << 24))) - gen_op_addl_T1_im(val); - if (insn & (1 << 21)) - gen_movl_reg_T1(s, rn); - } - break; - default: - goto illegal_op; - } - break; - case 0x0e: - /* float ops */ - /* XXX: do it */ - switch((insn >> 20) & 0xf) { - case 0x2: /* wfs */ - break; - case 0x3: /* rfs */ - break; - case 0x4: /* wfc */ - break; - case 0x5: /* rfc */ - break; - default: - goto illegal_op; - } - break; - default: - illegal_op: - gen_op_movl_T0_im((long)s->pc - 4); - gen_op_movl_reg_TN[0][15](); - gen_op_undef_insn(); - s->is_jmp = DISAS_JUMP; - break; - } - } -} - -/* generate intermediate code in gen_opc_buf and gen_opparam_buf for - basic block 'tb'. If search_pc is TRUE, also generate PC - information for each intermediate instruction. */ -static inline int gen_intermediate_code_internal(CPUState *env, - TranslationBlock *tb, - int search_pc) -{ - DisasContext dc1, *dc = &dc1; - uint16_t *gen_opc_end; - int j, lj; - uint8_t *pc_start; - - /* generate intermediate code */ - pc_start = (uint8_t *)tb->pc; - - dc->tb = tb; - - gen_opc_ptr = gen_opc_buf; - gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; - gen_opparam_ptr = gen_opparam_buf; - - dc->is_jmp = DISAS_NEXT; - dc->pc = pc_start; - lj = -1; - do { - if (search_pc) { - j = gen_opc_ptr - gen_opc_buf; - if (lj < j) { - lj++; - while (lj < j) - gen_opc_instr_start[lj++] = 0; - } - gen_opc_pc[lj] = (uint32_t)dc->pc; - gen_opc_instr_start[lj] = 1; - } - disas_arm_insn(dc); - } while (!dc->is_jmp && gen_opc_ptr < gen_opc_end && - (dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32)); - switch(dc->is_jmp) { - case DISAS_JUMP_NEXT: - case DISAS_NEXT: - gen_op_jmp((long)dc->tb, (long)dc->pc); - break; - default: - case DISAS_JUMP: - /* indicate that the hash table must be used to find the next TB */ - gen_op_movl_T0_0(); - gen_op_exit_tb(); - break; - case DISAS_TB_JUMP: - /* nothing more to generate */ - break; - } - *gen_opc_ptr = INDEX_op_end; - -#ifdef DEBUG_DISAS - if (loglevel) { - fprintf(logfile, "----------------\n"); - fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); - disas(logfile, pc_start, dc->pc - pc_start, 0, 0); - fprintf(logfile, "\n"); - - fprintf(logfile, "OP:\n"); - dump_ops(gen_opc_buf, gen_opparam_buf); - fprintf(logfile, "\n"); - } -#endif - if (!search_pc) - tb->size = dc->pc - pc_start; - return 0; -} - -int gen_intermediate_code(CPUState *env, TranslationBlock *tb) -{ - return gen_intermediate_code_internal(env, tb, 0); -} - -int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) -{ - return gen_intermediate_code_internal(env, tb, 1); -} - -CPUARMState *cpu_arm_init(void) -{ - CPUARMState *env; - - cpu_exec_init(); - - env = malloc(sizeof(CPUARMState)); - if (!env) - return NULL; - memset(env, 0, sizeof(CPUARMState)); - return env; -} - -void cpu_arm_close(CPUARMState *env) -{ - free(env); -} - -void cpu_arm_dump_state(CPUARMState *env, FILE *f, int flags) -{ - int i; - - for(i=0;i<16;i++) { - fprintf(f, "R%02d=%08x", i, env->regs[i]); - if ((i % 4) == 3) - fprintf(f, "\n"); - else - fprintf(f, " "); - } - fprintf(f, "PSR=%08x %c%c%c%c\n", - env->cpsr, - env->cpsr & (1 << 31) ? 'N' : '-', - env->cpsr & (1 << 30) ? 'Z' : '-', - env->cpsr & (1 << 29) ? 'C' : '-', - env->cpsr & (1 << 28) ? 'V' : '-'); -} diff --git a/translate-i386.c b/translate-i386.c deleted file mode 100644 index b732178cd0..0000000000 --- a/translate-i386.c +++ /dev/null @@ -1,4487 +0,0 @@ -/* - * i386 translation - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <stdarg.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> -#include <signal.h> -#include <assert.h> -#include <sys/mman.h> - -#include "cpu-i386.h" -#include "exec.h" -#include "disas.h" - -/* XXX: move that elsewhere */ -static uint16_t *gen_opc_ptr; -static uint32_t *gen_opparam_ptr; - -#define PREFIX_REPZ 0x01 -#define PREFIX_REPNZ 0x02 -#define PREFIX_LOCK 0x04 -#define PREFIX_DATA 0x08 -#define PREFIX_ADR 0x10 - -typedef struct DisasContext { - /* current insn context */ - int override; /* -1 if no override */ - int prefix; - int aflag, dflag; - uint8_t *pc; /* pc = eip + cs_base */ - int is_jmp; /* 1 = means jump (stop translation), 2 means CPU - static state change (stop translation) */ - /* current block context */ - uint8_t *cs_base; /* base of CS segment */ - int pe; /* protected mode */ - int code32; /* 32 bit code segment */ - int ss32; /* 32 bit stack segment */ - int cc_op; /* current CC operation */ - int addseg; /* non zero if either DS/ES/SS have a non zero base */ - int f_st; /* currently unused */ - int vm86; /* vm86 mode */ - int cpl; - int iopl; - int tf; /* TF cpu flag */ - int jmp_opt; /* use direct block chaining for direct jumps */ - int mem_index; /* select memory access functions */ - struct TranslationBlock *tb; - int popl_esp_hack; /* for correct popl with esp base handling */ -} DisasContext; - -static void gen_eob(DisasContext *s); -static void gen_jmp(DisasContext *s, unsigned int eip); - -/* i386 arith/logic operations */ -enum { - OP_ADDL, - OP_ORL, - OP_ADCL, - OP_SBBL, - OP_ANDL, - OP_SUBL, - OP_XORL, - OP_CMPL, -}; - -/* i386 shift ops */ -enum { - OP_ROL, - OP_ROR, - OP_RCL, - OP_RCR, - OP_SHL, - OP_SHR, - OP_SHL1, /* undocumented */ - OP_SAR = 7, -}; - -enum { -#define DEF(s, n, copy_size) INDEX_op_ ## s, -#include "opc-i386.h" -#undef DEF - NB_OPS, -}; - -#include "gen-op-i386.h" - -/* operand size */ -enum { - OT_BYTE = 0, - OT_WORD, - OT_LONG, - OT_QUAD, -}; - -enum { - /* I386 int registers */ - OR_EAX, /* MUST be even numbered */ - OR_ECX, - OR_EDX, - OR_EBX, - OR_ESP, - OR_EBP, - OR_ESI, - OR_EDI, - OR_TMP0, /* temporary operand register */ - OR_TMP1, - OR_A0, /* temporary register used when doing address evaluation */ - OR_ZERO, /* fixed zero register */ - NB_OREGS, -}; - -typedef void (GenOpFunc)(void); -typedef void (GenOpFunc1)(long); -typedef void (GenOpFunc2)(long, long); -typedef void (GenOpFunc3)(long, long, long); - -static GenOpFunc *gen_op_mov_reg_T0[3][8] = { - [OT_BYTE] = { - gen_op_movb_EAX_T0, - gen_op_movb_ECX_T0, - gen_op_movb_EDX_T0, - gen_op_movb_EBX_T0, - gen_op_movh_EAX_T0, - gen_op_movh_ECX_T0, - gen_op_movh_EDX_T0, - gen_op_movh_EBX_T0, - }, - [OT_WORD] = { - gen_op_movw_EAX_T0, - gen_op_movw_ECX_T0, - gen_op_movw_EDX_T0, - gen_op_movw_EBX_T0, - gen_op_movw_ESP_T0, - gen_op_movw_EBP_T0, - gen_op_movw_ESI_T0, - gen_op_movw_EDI_T0, - }, - [OT_LONG] = { - gen_op_movl_EAX_T0, - gen_op_movl_ECX_T0, - gen_op_movl_EDX_T0, - gen_op_movl_EBX_T0, - gen_op_movl_ESP_T0, - gen_op_movl_EBP_T0, - gen_op_movl_ESI_T0, - gen_op_movl_EDI_T0, - }, -}; - -static GenOpFunc *gen_op_mov_reg_T1[3][8] = { - [OT_BYTE] = { - gen_op_movb_EAX_T1, - gen_op_movb_ECX_T1, - gen_op_movb_EDX_T1, - gen_op_movb_EBX_T1, - gen_op_movh_EAX_T1, - gen_op_movh_ECX_T1, - gen_op_movh_EDX_T1, - gen_op_movh_EBX_T1, - }, - [OT_WORD] = { - gen_op_movw_EAX_T1, - gen_op_movw_ECX_T1, - gen_op_movw_EDX_T1, - gen_op_movw_EBX_T1, - gen_op_movw_ESP_T1, - gen_op_movw_EBP_T1, - gen_op_movw_ESI_T1, - gen_op_movw_EDI_T1, - }, - [OT_LONG] = { - gen_op_movl_EAX_T1, - gen_op_movl_ECX_T1, - gen_op_movl_EDX_T1, - gen_op_movl_EBX_T1, - gen_op_movl_ESP_T1, - gen_op_movl_EBP_T1, - gen_op_movl_ESI_T1, - gen_op_movl_EDI_T1, - }, -}; - -static GenOpFunc *gen_op_mov_reg_A0[2][8] = { - [0] = { - gen_op_movw_EAX_A0, - gen_op_movw_ECX_A0, - gen_op_movw_EDX_A0, - gen_op_movw_EBX_A0, - gen_op_movw_ESP_A0, - gen_op_movw_EBP_A0, - gen_op_movw_ESI_A0, - gen_op_movw_EDI_A0, - }, - [1] = { - gen_op_movl_EAX_A0, - gen_op_movl_ECX_A0, - gen_op_movl_EDX_A0, - gen_op_movl_EBX_A0, - gen_op_movl_ESP_A0, - gen_op_movl_EBP_A0, - gen_op_movl_ESI_A0, - gen_op_movl_EDI_A0, - }, -}; - -static GenOpFunc *gen_op_mov_TN_reg[3][2][8] = -{ - [OT_BYTE] = { - { - gen_op_movl_T0_EAX, - gen_op_movl_T0_ECX, - gen_op_movl_T0_EDX, - gen_op_movl_T0_EBX, - gen_op_movh_T0_EAX, - gen_op_movh_T0_ECX, - gen_op_movh_T0_EDX, - gen_op_movh_T0_EBX, - }, - { - gen_op_movl_T1_EAX, - gen_op_movl_T1_ECX, - gen_op_movl_T1_EDX, - gen_op_movl_T1_EBX, - gen_op_movh_T1_EAX, - gen_op_movh_T1_ECX, - gen_op_movh_T1_EDX, - gen_op_movh_T1_EBX, - }, - }, - [OT_WORD] = { - { - gen_op_movl_T0_EAX, - gen_op_movl_T0_ECX, - gen_op_movl_T0_EDX, - gen_op_movl_T0_EBX, - gen_op_movl_T0_ESP, - gen_op_movl_T0_EBP, - gen_op_movl_T0_ESI, - gen_op_movl_T0_EDI, - }, - { - gen_op_movl_T1_EAX, - gen_op_movl_T1_ECX, - gen_op_movl_T1_EDX, - gen_op_movl_T1_EBX, - gen_op_movl_T1_ESP, - gen_op_movl_T1_EBP, - gen_op_movl_T1_ESI, - gen_op_movl_T1_EDI, - }, - }, - [OT_LONG] = { - { - gen_op_movl_T0_EAX, - gen_op_movl_T0_ECX, - gen_op_movl_T0_EDX, - gen_op_movl_T0_EBX, - gen_op_movl_T0_ESP, - gen_op_movl_T0_EBP, - gen_op_movl_T0_ESI, - gen_op_movl_T0_EDI, - }, - { - gen_op_movl_T1_EAX, - gen_op_movl_T1_ECX, - gen_op_movl_T1_EDX, - gen_op_movl_T1_EBX, - gen_op_movl_T1_ESP, - gen_op_movl_T1_EBP, - gen_op_movl_T1_ESI, - gen_op_movl_T1_EDI, - }, - }, -}; - -static GenOpFunc *gen_op_movl_A0_reg[8] = { - gen_op_movl_A0_EAX, - gen_op_movl_A0_ECX, - gen_op_movl_A0_EDX, - gen_op_movl_A0_EBX, - gen_op_movl_A0_ESP, - gen_op_movl_A0_EBP, - gen_op_movl_A0_ESI, - gen_op_movl_A0_EDI, -}; - -static GenOpFunc *gen_op_addl_A0_reg_sN[4][8] = { - [0] = { - gen_op_addl_A0_EAX, - gen_op_addl_A0_ECX, - gen_op_addl_A0_EDX, - gen_op_addl_A0_EBX, - gen_op_addl_A0_ESP, - gen_op_addl_A0_EBP, - gen_op_addl_A0_ESI, - gen_op_addl_A0_EDI, - }, - [1] = { - gen_op_addl_A0_EAX_s1, - gen_op_addl_A0_ECX_s1, - gen_op_addl_A0_EDX_s1, - gen_op_addl_A0_EBX_s1, - gen_op_addl_A0_ESP_s1, - gen_op_addl_A0_EBP_s1, - gen_op_addl_A0_ESI_s1, - gen_op_addl_A0_EDI_s1, - }, - [2] = { - gen_op_addl_A0_EAX_s2, - gen_op_addl_A0_ECX_s2, - gen_op_addl_A0_EDX_s2, - gen_op_addl_A0_EBX_s2, - gen_op_addl_A0_ESP_s2, - gen_op_addl_A0_EBP_s2, - gen_op_addl_A0_ESI_s2, - gen_op_addl_A0_EDI_s2, - }, - [3] = { - gen_op_addl_A0_EAX_s3, - gen_op_addl_A0_ECX_s3, - gen_op_addl_A0_EDX_s3, - gen_op_addl_A0_EBX_s3, - gen_op_addl_A0_ESP_s3, - gen_op_addl_A0_EBP_s3, - gen_op_addl_A0_ESI_s3, - gen_op_addl_A0_EDI_s3, - }, -}; - -static GenOpFunc *gen_op_cmov_reg_T1_T0[2][8] = { - [0] = { - gen_op_cmovw_EAX_T1_T0, - gen_op_cmovw_ECX_T1_T0, - gen_op_cmovw_EDX_T1_T0, - gen_op_cmovw_EBX_T1_T0, - gen_op_cmovw_ESP_T1_T0, - gen_op_cmovw_EBP_T1_T0, - gen_op_cmovw_ESI_T1_T0, - gen_op_cmovw_EDI_T1_T0, - }, - [1] = { - gen_op_cmovl_EAX_T1_T0, - gen_op_cmovl_ECX_T1_T0, - gen_op_cmovl_EDX_T1_T0, - gen_op_cmovl_EBX_T1_T0, - gen_op_cmovl_ESP_T1_T0, - gen_op_cmovl_EBP_T1_T0, - gen_op_cmovl_ESI_T1_T0, - gen_op_cmovl_EDI_T1_T0, - }, -}; - -static GenOpFunc *gen_op_arith_T0_T1_cc[8] = { - NULL, - gen_op_orl_T0_T1, - NULL, - NULL, - gen_op_andl_T0_T1, - NULL, - gen_op_xorl_T0_T1, - NULL, -}; - -static GenOpFunc *gen_op_arithc_T0_T1_cc[3][2] = { - [OT_BYTE] = { - gen_op_adcb_T0_T1_cc, - gen_op_sbbb_T0_T1_cc, - }, - [OT_WORD] = { - gen_op_adcw_T0_T1_cc, - gen_op_sbbw_T0_T1_cc, - }, - [OT_LONG] = { - gen_op_adcl_T0_T1_cc, - gen_op_sbbl_T0_T1_cc, - }, -}; - -static GenOpFunc *gen_op_arithc_mem_T0_T1_cc[3][2] = { - [OT_BYTE] = { - gen_op_adcb_mem_T0_T1_cc, - gen_op_sbbb_mem_T0_T1_cc, - }, - [OT_WORD] = { - gen_op_adcw_mem_T0_T1_cc, - gen_op_sbbw_mem_T0_T1_cc, - }, - [OT_LONG] = { - gen_op_adcl_mem_T0_T1_cc, - gen_op_sbbl_mem_T0_T1_cc, - }, -}; - -static const int cc_op_arithb[8] = { - CC_OP_ADDB, - CC_OP_LOGICB, - CC_OP_ADDB, - CC_OP_SUBB, - CC_OP_LOGICB, - CC_OP_SUBB, - CC_OP_LOGICB, - CC_OP_SUBB, -}; - -static GenOpFunc *gen_op_cmpxchg_T0_T1_EAX_cc[3] = { - gen_op_cmpxchgb_T0_T1_EAX_cc, - gen_op_cmpxchgw_T0_T1_EAX_cc, - gen_op_cmpxchgl_T0_T1_EAX_cc, -}; - -static GenOpFunc *gen_op_cmpxchg_mem_T0_T1_EAX_cc[3] = { - gen_op_cmpxchgb_mem_T0_T1_EAX_cc, - gen_op_cmpxchgw_mem_T0_T1_EAX_cc, - gen_op_cmpxchgl_mem_T0_T1_EAX_cc, -}; - -static GenOpFunc *gen_op_shift_T0_T1_cc[3][8] = { - [OT_BYTE] = { - gen_op_rolb_T0_T1_cc, - gen_op_rorb_T0_T1_cc, - gen_op_rclb_T0_T1_cc, - gen_op_rcrb_T0_T1_cc, - gen_op_shlb_T0_T1_cc, - gen_op_shrb_T0_T1_cc, - gen_op_shlb_T0_T1_cc, - gen_op_sarb_T0_T1_cc, - }, - [OT_WORD] = { - gen_op_rolw_T0_T1_cc, - gen_op_rorw_T0_T1_cc, - gen_op_rclw_T0_T1_cc, - gen_op_rcrw_T0_T1_cc, - gen_op_shlw_T0_T1_cc, - gen_op_shrw_T0_T1_cc, - gen_op_shlw_T0_T1_cc, - gen_op_sarw_T0_T1_cc, - }, - [OT_LONG] = { - gen_op_roll_T0_T1_cc, - gen_op_rorl_T0_T1_cc, - gen_op_rcll_T0_T1_cc, - gen_op_rcrl_T0_T1_cc, - gen_op_shll_T0_T1_cc, - gen_op_shrl_T0_T1_cc, - gen_op_shll_T0_T1_cc, - gen_op_sarl_T0_T1_cc, - }, -}; - -static GenOpFunc *gen_op_shift_mem_T0_T1_cc[3][8] = { - [OT_BYTE] = { - gen_op_rolb_mem_T0_T1_cc, - gen_op_rorb_mem_T0_T1_cc, - gen_op_rclb_mem_T0_T1_cc, - gen_op_rcrb_mem_T0_T1_cc, - gen_op_shlb_mem_T0_T1_cc, - gen_op_shrb_mem_T0_T1_cc, - gen_op_shlb_mem_T0_T1_cc, - gen_op_sarb_mem_T0_T1_cc, - }, - [OT_WORD] = { - gen_op_rolw_mem_T0_T1_cc, - gen_op_rorw_mem_T0_T1_cc, - gen_op_rclw_mem_T0_T1_cc, - gen_op_rcrw_mem_T0_T1_cc, - gen_op_shlw_mem_T0_T1_cc, - gen_op_shrw_mem_T0_T1_cc, - gen_op_shlw_mem_T0_T1_cc, - gen_op_sarw_mem_T0_T1_cc, - }, - [OT_LONG] = { - gen_op_roll_mem_T0_T1_cc, - gen_op_rorl_mem_T0_T1_cc, - gen_op_rcll_mem_T0_T1_cc, - gen_op_rcrl_mem_T0_T1_cc, - gen_op_shll_mem_T0_T1_cc, - gen_op_shrl_mem_T0_T1_cc, - gen_op_shll_mem_T0_T1_cc, - gen_op_sarl_mem_T0_T1_cc, - }, -}; - -static GenOpFunc1 *gen_op_shiftd_T0_T1_im_cc[2][2] = { - [0] = { - gen_op_shldw_T0_T1_im_cc, - gen_op_shrdw_T0_T1_im_cc, - }, - [1] = { - gen_op_shldl_T0_T1_im_cc, - gen_op_shrdl_T0_T1_im_cc, - }, -}; - -static GenOpFunc *gen_op_shiftd_T0_T1_ECX_cc[2][2] = { - [0] = { - gen_op_shldw_T0_T1_ECX_cc, - gen_op_shrdw_T0_T1_ECX_cc, - }, - [1] = { - gen_op_shldl_T0_T1_ECX_cc, - gen_op_shrdl_T0_T1_ECX_cc, - }, -}; - -static GenOpFunc1 *gen_op_shiftd_mem_T0_T1_im_cc[2][2] = { - [0] = { - gen_op_shldw_mem_T0_T1_im_cc, - gen_op_shrdw_mem_T0_T1_im_cc, - }, - [1] = { - gen_op_shldl_mem_T0_T1_im_cc, - gen_op_shrdl_mem_T0_T1_im_cc, - }, -}; - -static GenOpFunc *gen_op_shiftd_mem_T0_T1_ECX_cc[2][2] = { - [0] = { - gen_op_shldw_mem_T0_T1_ECX_cc, - gen_op_shrdw_mem_T0_T1_ECX_cc, - }, - [1] = { - gen_op_shldl_mem_T0_T1_ECX_cc, - gen_op_shrdl_mem_T0_T1_ECX_cc, - }, -}; - -static GenOpFunc *gen_op_btx_T0_T1_cc[2][4] = { - [0] = { - gen_op_btw_T0_T1_cc, - gen_op_btsw_T0_T1_cc, - gen_op_btrw_T0_T1_cc, - gen_op_btcw_T0_T1_cc, - }, - [1] = { - gen_op_btl_T0_T1_cc, - gen_op_btsl_T0_T1_cc, - gen_op_btrl_T0_T1_cc, - gen_op_btcl_T0_T1_cc, - }, -}; - -static GenOpFunc *gen_op_bsx_T0_cc[2][2] = { - [0] = { - gen_op_bsfw_T0_cc, - gen_op_bsrw_T0_cc, - }, - [1] = { - gen_op_bsfl_T0_cc, - gen_op_bsrl_T0_cc, - }, -}; - -static GenOpFunc *gen_op_lds_T0_A0[3 * 3] = { - gen_op_ldsb_T0_A0, - gen_op_ldsw_T0_A0, - NULL, - - gen_op_ldsb_kernel_T0_A0, - gen_op_ldsw_kernel_T0_A0, - NULL, - - gen_op_ldsb_user_T0_A0, - gen_op_ldsw_user_T0_A0, - NULL, -}; - -static GenOpFunc *gen_op_ldu_T0_A0[3 * 3] = { - gen_op_ldub_T0_A0, - gen_op_lduw_T0_A0, - NULL, - - gen_op_ldub_kernel_T0_A0, - gen_op_lduw_kernel_T0_A0, - NULL, - - gen_op_ldub_user_T0_A0, - gen_op_lduw_user_T0_A0, - NULL, -}; - -/* sign does not matter, except for lidt/lgdt call (TODO: fix it) */ -static GenOpFunc *gen_op_ld_T0_A0[3 * 3] = { - gen_op_ldub_T0_A0, - gen_op_lduw_T0_A0, - gen_op_ldl_T0_A0, - - gen_op_ldub_kernel_T0_A0, - gen_op_lduw_kernel_T0_A0, - gen_op_ldl_kernel_T0_A0, - - gen_op_ldub_user_T0_A0, - gen_op_lduw_user_T0_A0, - gen_op_ldl_user_T0_A0, -}; - -static GenOpFunc *gen_op_ld_T1_A0[3 * 3] = { - gen_op_ldub_T1_A0, - gen_op_lduw_T1_A0, - gen_op_ldl_T1_A0, - - gen_op_ldub_kernel_T1_A0, - gen_op_lduw_kernel_T1_A0, - gen_op_ldl_kernel_T1_A0, - - gen_op_ldub_user_T1_A0, - gen_op_lduw_user_T1_A0, - gen_op_ldl_user_T1_A0, -}; - -static GenOpFunc *gen_op_st_T0_A0[3 * 3] = { - gen_op_stb_T0_A0, - gen_op_stw_T0_A0, - gen_op_stl_T0_A0, - - gen_op_stb_kernel_T0_A0, - gen_op_stw_kernel_T0_A0, - gen_op_stl_kernel_T0_A0, - - gen_op_stb_user_T0_A0, - gen_op_stw_user_T0_A0, - gen_op_stl_user_T0_A0, -}; - -static inline void gen_string_movl_A0_ESI(DisasContext *s) -{ - int override; - - override = s->override; - if (s->aflag) { - /* 32 bit address */ - if (s->addseg && override < 0) - override = R_DS; - if (override >= 0) { - gen_op_movl_A0_seg(offsetof(CPUX86State,segs[override].base)); - gen_op_addl_A0_reg_sN[0][R_ESI](); - } else { - gen_op_movl_A0_reg[R_ESI](); - } - } else { - /* 16 address, always override */ - if (override < 0) - override = R_DS; - gen_op_movl_A0_reg[R_ESI](); - gen_op_andl_A0_ffff(); - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); - } -} - -static inline void gen_string_movl_A0_EDI(DisasContext *s) -{ - if (s->aflag) { - if (s->addseg) { - gen_op_movl_A0_seg(offsetof(CPUX86State,segs[R_ES].base)); - gen_op_addl_A0_reg_sN[0][R_EDI](); - } else { - gen_op_movl_A0_reg[R_EDI](); - } - } else { - gen_op_movl_A0_reg[R_EDI](); - gen_op_andl_A0_ffff(); - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_ES].base)); - } -} - -static GenOpFunc *gen_op_movl_T0_Dshift[3] = { - gen_op_movl_T0_Dshiftb, - gen_op_movl_T0_Dshiftw, - gen_op_movl_T0_Dshiftl, -}; - -static GenOpFunc2 *gen_op_jz_ecx[2] = { - gen_op_jz_ecxw, - gen_op_jz_ecxl, -}; - -static GenOpFunc1 *gen_op_jz_ecx_im[2] = { - gen_op_jz_ecxw_im, - gen_op_jz_ecxl_im, -}; - -static GenOpFunc *gen_op_dec_ECX[2] = { - gen_op_decw_ECX, - gen_op_decl_ECX, -}; - -static GenOpFunc1 *gen_op_string_jnz_sub[2][3] = { - { - gen_op_string_jnz_subb, - gen_op_string_jnz_subw, - gen_op_string_jnz_subl, - }, - { - gen_op_string_jz_subb, - gen_op_string_jz_subw, - gen_op_string_jz_subl, - }, -}; - -static GenOpFunc1 *gen_op_string_jnz_sub_im[2][3] = { - { - gen_op_string_jnz_subb_im, - gen_op_string_jnz_subw_im, - gen_op_string_jnz_subl_im, - }, - { - gen_op_string_jz_subb_im, - gen_op_string_jz_subw_im, - gen_op_string_jz_subl_im, - }, -}; - -static GenOpFunc *gen_op_in_DX_T0[3] = { - gen_op_inb_DX_T0, - gen_op_inw_DX_T0, - gen_op_inl_DX_T0, -}; - -static GenOpFunc *gen_op_out_DX_T0[3] = { - gen_op_outb_DX_T0, - gen_op_outw_DX_T0, - gen_op_outl_DX_T0, -}; - -static inline void gen_movs(DisasContext *s, int ot) -{ - gen_string_movl_A0_ESI(s); - gen_op_ld_T0_A0[ot + s->mem_index](); - gen_string_movl_A0_EDI(s); - gen_op_st_T0_A0[ot + s->mem_index](); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_ESI_T0(); - gen_op_addl_EDI_T0(); - } else { - gen_op_addw_ESI_T0(); - gen_op_addw_EDI_T0(); - } -} - -static inline void gen_update_cc_op(DisasContext *s) -{ - if (s->cc_op != CC_OP_DYNAMIC) { - gen_op_set_cc_op(s->cc_op); - s->cc_op = CC_OP_DYNAMIC; - } -} - -static inline void gen_jz_ecx_string(DisasContext *s, unsigned int next_eip) -{ - if (s->jmp_opt) { - gen_op_jz_ecx[s->aflag]((long)s->tb, next_eip); - } else { - /* XXX: does not work with gdbstub "ice" single step - not a - serious problem */ - gen_op_jz_ecx_im[s->aflag](next_eip); - } -} - -static inline void gen_stos(DisasContext *s, int ot) -{ - gen_op_mov_TN_reg[OT_LONG][0][R_EAX](); - gen_string_movl_A0_EDI(s); - gen_op_st_T0_A0[ot + s->mem_index](); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_EDI_T0(); - } else { - gen_op_addw_EDI_T0(); - } -} - -static inline void gen_lods(DisasContext *s, int ot) -{ - gen_string_movl_A0_ESI(s); - gen_op_ld_T0_A0[ot + s->mem_index](); - gen_op_mov_reg_T0[ot][R_EAX](); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_ESI_T0(); - } else { - gen_op_addw_ESI_T0(); - } -} - -static inline void gen_scas(DisasContext *s, int ot) -{ - gen_op_mov_TN_reg[OT_LONG][0][R_EAX](); - gen_string_movl_A0_EDI(s); - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_cmpl_T0_T1_cc(); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_EDI_T0(); - } else { - gen_op_addw_EDI_T0(); - } -} - -static inline void gen_cmps(DisasContext *s, int ot) -{ - gen_string_movl_A0_ESI(s); - gen_op_ld_T0_A0[ot + s->mem_index](); - gen_string_movl_A0_EDI(s); - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_cmpl_T0_T1_cc(); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_ESI_T0(); - gen_op_addl_EDI_T0(); - } else { - gen_op_addw_ESI_T0(); - gen_op_addw_EDI_T0(); - } -} - -static inline void gen_ins(DisasContext *s, int ot) -{ - gen_op_in_DX_T0[ot](); - gen_string_movl_A0_EDI(s); - gen_op_st_T0_A0[ot + s->mem_index](); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_EDI_T0(); - } else { - gen_op_addw_EDI_T0(); - } -} - -static inline void gen_outs(DisasContext *s, int ot) -{ - gen_string_movl_A0_ESI(s); - gen_op_ld_T0_A0[ot + s->mem_index](); - gen_op_out_DX_T0[ot](); - gen_op_movl_T0_Dshift[ot](); - if (s->aflag) { - gen_op_addl_ESI_T0(); - } else { - gen_op_addw_ESI_T0(); - } -} - -/* same method as Valgrind : we generate jumps to current or next - instruction */ -#define GEN_REPZ(op) \ -static inline void gen_repz_ ## op(DisasContext *s, int ot, \ - unsigned int cur_eip, unsigned int next_eip) \ -{ \ - gen_update_cc_op(s); \ - gen_jz_ecx_string(s, next_eip); \ - gen_ ## op(s, ot); \ - gen_op_dec_ECX[s->aflag](); \ - /* a loop would cause two single step exceptions if ECX = 1 \ - before rep string_insn */ \ - if (!s->jmp_opt) \ - gen_op_jz_ecx_im[s->aflag](next_eip); \ - gen_jmp(s, cur_eip); \ -} - -#define GEN_REPZ2(op) \ -static inline void gen_repz_ ## op(DisasContext *s, int ot, \ - unsigned int cur_eip, \ - unsigned int next_eip, \ - int nz) \ -{ \ - gen_update_cc_op(s); \ - gen_jz_ecx_string(s, next_eip); \ - gen_ ## op(s, ot); \ - gen_op_dec_ECX[s->aflag](); \ - gen_op_set_cc_op(CC_OP_SUBB + ot); \ - if (!s->jmp_opt) \ - gen_op_string_jnz_sub_im[nz][ot](next_eip); \ - else \ - gen_op_string_jnz_sub[nz][ot]((long)s->tb); \ - if (!s->jmp_opt) \ - gen_op_jz_ecx_im[s->aflag](next_eip); \ - gen_jmp(s, cur_eip); \ -} - -GEN_REPZ(movs) -GEN_REPZ(stos) -GEN_REPZ(lods) -GEN_REPZ(ins) -GEN_REPZ(outs) -GEN_REPZ2(scas) -GEN_REPZ2(cmps) - -static GenOpFunc *gen_op_in[3] = { - gen_op_inb_T0_T1, - gen_op_inw_T0_T1, - gen_op_inl_T0_T1, -}; - -static GenOpFunc *gen_op_out[3] = { - gen_op_outb_T0_T1, - gen_op_outw_T0_T1, - gen_op_outl_T0_T1, -}; - -enum { - JCC_O, - JCC_B, - JCC_Z, - JCC_BE, - JCC_S, - JCC_P, - JCC_L, - JCC_LE, -}; - -static GenOpFunc3 *gen_jcc_sub[3][8] = { - [OT_BYTE] = { - NULL, - gen_op_jb_subb, - gen_op_jz_subb, - gen_op_jbe_subb, - gen_op_js_subb, - NULL, - gen_op_jl_subb, - gen_op_jle_subb, - }, - [OT_WORD] = { - NULL, - gen_op_jb_subw, - gen_op_jz_subw, - gen_op_jbe_subw, - gen_op_js_subw, - NULL, - gen_op_jl_subw, - gen_op_jle_subw, - }, - [OT_LONG] = { - NULL, - gen_op_jb_subl, - gen_op_jz_subl, - gen_op_jbe_subl, - gen_op_js_subl, - NULL, - gen_op_jl_subl, - gen_op_jle_subl, - }, -}; -static GenOpFunc2 *gen_op_loop[2][4] = { - [0] = { - gen_op_loopnzw, - gen_op_loopzw, - gen_op_loopw, - gen_op_jecxzw, - }, - [1] = { - gen_op_loopnzl, - gen_op_loopzl, - gen_op_loopl, - gen_op_jecxzl, - }, -}; - -static GenOpFunc *gen_setcc_slow[8] = { - gen_op_seto_T0_cc, - gen_op_setb_T0_cc, - gen_op_setz_T0_cc, - gen_op_setbe_T0_cc, - gen_op_sets_T0_cc, - gen_op_setp_T0_cc, - gen_op_setl_T0_cc, - gen_op_setle_T0_cc, -}; - -static GenOpFunc *gen_setcc_sub[3][8] = { - [OT_BYTE] = { - NULL, - gen_op_setb_T0_subb, - gen_op_setz_T0_subb, - gen_op_setbe_T0_subb, - gen_op_sets_T0_subb, - NULL, - gen_op_setl_T0_subb, - gen_op_setle_T0_subb, - }, - [OT_WORD] = { - NULL, - gen_op_setb_T0_subw, - gen_op_setz_T0_subw, - gen_op_setbe_T0_subw, - gen_op_sets_T0_subw, - NULL, - gen_op_setl_T0_subw, - gen_op_setle_T0_subw, - }, - [OT_LONG] = { - NULL, - gen_op_setb_T0_subl, - gen_op_setz_T0_subl, - gen_op_setbe_T0_subl, - gen_op_sets_T0_subl, - NULL, - gen_op_setl_T0_subl, - gen_op_setle_T0_subl, - }, -}; - -static GenOpFunc *gen_op_fp_arith_ST0_FT0[8] = { - gen_op_fadd_ST0_FT0, - gen_op_fmul_ST0_FT0, - gen_op_fcom_ST0_FT0, - gen_op_fcom_ST0_FT0, - gen_op_fsub_ST0_FT0, - gen_op_fsubr_ST0_FT0, - gen_op_fdiv_ST0_FT0, - gen_op_fdivr_ST0_FT0, -}; - -/* NOTE the exception in "r" op ordering */ -static GenOpFunc1 *gen_op_fp_arith_STN_ST0[8] = { - gen_op_fadd_STN_ST0, - gen_op_fmul_STN_ST0, - NULL, - NULL, - gen_op_fsubr_STN_ST0, - gen_op_fsub_STN_ST0, - gen_op_fdivr_STN_ST0, - gen_op_fdiv_STN_ST0, -}; - -/* if d == OR_TMP0, it means memory operand (address in A0) */ -static void gen_op(DisasContext *s1, int op, int ot, int d) -{ - GenOpFunc *gen_update_cc; - - if (d != OR_TMP0) { - gen_op_mov_TN_reg[ot][0][d](); - } else { - gen_op_ld_T0_A0[ot + s1->mem_index](); - } - switch(op) { - case OP_ADCL: - case OP_SBBL: - if (s1->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s1->cc_op); - if (d != OR_TMP0) { - gen_op_arithc_T0_T1_cc[ot][op - OP_ADCL](); - gen_op_mov_reg_T0[ot][d](); - } else { - gen_op_arithc_mem_T0_T1_cc[ot][op - OP_ADCL](); - } - s1->cc_op = CC_OP_DYNAMIC; - goto the_end; - case OP_ADDL: - gen_op_addl_T0_T1(); - s1->cc_op = CC_OP_ADDB + ot; - gen_update_cc = gen_op_update2_cc; - break; - case OP_SUBL: - gen_op_subl_T0_T1(); - s1->cc_op = CC_OP_SUBB + ot; - gen_update_cc = gen_op_update2_cc; - break; - default: - case OP_ANDL: - case OP_ORL: - case OP_XORL: - gen_op_arith_T0_T1_cc[op](); - s1->cc_op = CC_OP_LOGICB + ot; - gen_update_cc = gen_op_update1_cc; - break; - case OP_CMPL: - gen_op_cmpl_T0_T1_cc(); - s1->cc_op = CC_OP_SUBB + ot; - gen_update_cc = NULL; - break; - } - if (op != OP_CMPL) { - if (d != OR_TMP0) - gen_op_mov_reg_T0[ot][d](); - else - gen_op_st_T0_A0[ot + s1->mem_index](); - } - /* the flags update must happen after the memory write (precise - exception support) */ - if (gen_update_cc) - gen_update_cc(); - the_end: ; -} - -/* if d == OR_TMP0, it means memory operand (address in A0) */ -static void gen_inc(DisasContext *s1, int ot, int d, int c) -{ - if (d != OR_TMP0) - gen_op_mov_TN_reg[ot][0][d](); - else - gen_op_ld_T0_A0[ot + s1->mem_index](); - if (s1->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s1->cc_op); - if (c > 0) { - gen_op_incl_T0(); - s1->cc_op = CC_OP_INCB + ot; - } else { - gen_op_decl_T0(); - s1->cc_op = CC_OP_DECB + ot; - } - if (d != OR_TMP0) - gen_op_mov_reg_T0[ot][d](); - else - gen_op_st_T0_A0[ot + s1->mem_index](); - gen_op_update_inc_cc(); -} - -static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) -{ - if (d != OR_TMP0) - gen_op_mov_TN_reg[ot][0][d](); - else - gen_op_ld_T0_A0[ot + s1->mem_index](); - if (s != OR_TMP1) - gen_op_mov_TN_reg[ot][1][s](); - /* for zero counts, flags are not updated, so must do it dynamically */ - if (s1->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s1->cc_op); - - if (d != OR_TMP0) - gen_op_shift_T0_T1_cc[ot][op](); - else - gen_op_shift_mem_T0_T1_cc[ot][op](); - if (d != OR_TMP0) - gen_op_mov_reg_T0[ot][d](); - s1->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ -} - -static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) -{ - /* currently not optimized */ - gen_op_movl_T1_im(c); - gen_shift(s1, op, ot, d, OR_TMP1); -} - -static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr) -{ - int havesib; - int base, disp; - int index; - int scale; - int opreg; - int mod, rm, code, override, must_add_seg; - - override = s->override; - must_add_seg = s->addseg; - if (override >= 0) - must_add_seg = 1; - mod = (modrm >> 6) & 3; - rm = modrm & 7; - - if (s->aflag) { - - havesib = 0; - base = rm; - index = 0; - scale = 0; - - if (base == 4) { - havesib = 1; - code = ldub(s->pc++); - scale = (code >> 6) & 3; - index = (code >> 3) & 7; - base = code & 7; - } - - switch (mod) { - case 0: - if (base == 5) { - base = -1; - disp = ldl(s->pc); - s->pc += 4; - } else { - disp = 0; - } - break; - case 1: - disp = (int8_t)ldub(s->pc++); - break; - default: - case 2: - disp = ldl(s->pc); - s->pc += 4; - break; - } - - if (base >= 0) { - /* for correct popl handling with esp */ - if (base == 4 && s->popl_esp_hack) - disp += s->popl_esp_hack; - gen_op_movl_A0_reg[base](); - if (disp != 0) - gen_op_addl_A0_im(disp); - } else { - gen_op_movl_A0_im(disp); - } - /* XXX: index == 4 is always invalid */ - if (havesib && (index != 4 || scale != 0)) { - gen_op_addl_A0_reg_sN[scale][index](); - } - if (must_add_seg) { - if (override < 0) { - if (base == R_EBP || base == R_ESP) - override = R_SS; - else - override = R_DS; - } - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); - } - } else { - switch (mod) { - case 0: - if (rm == 6) { - disp = lduw(s->pc); - s->pc += 2; - gen_op_movl_A0_im(disp); - rm = 0; /* avoid SS override */ - goto no_rm; - } else { - disp = 0; - } - break; - case 1: - disp = (int8_t)ldub(s->pc++); - break; - default: - case 2: - disp = lduw(s->pc); - s->pc += 2; - break; - } - switch(rm) { - case 0: - gen_op_movl_A0_reg[R_EBX](); - gen_op_addl_A0_reg_sN[0][R_ESI](); - break; - case 1: - gen_op_movl_A0_reg[R_EBX](); - gen_op_addl_A0_reg_sN[0][R_EDI](); - break; - case 2: - gen_op_movl_A0_reg[R_EBP](); - gen_op_addl_A0_reg_sN[0][R_ESI](); - break; - case 3: - gen_op_movl_A0_reg[R_EBP](); - gen_op_addl_A0_reg_sN[0][R_EDI](); - break; - case 4: - gen_op_movl_A0_reg[R_ESI](); - break; - case 5: - gen_op_movl_A0_reg[R_EDI](); - break; - case 6: - gen_op_movl_A0_reg[R_EBP](); - break; - default: - case 7: - gen_op_movl_A0_reg[R_EBX](); - break; - } - if (disp != 0) - gen_op_addl_A0_im(disp); - gen_op_andl_A0_ffff(); - no_rm: - if (must_add_seg) { - if (override < 0) { - if (rm == 2 || rm == 3 || rm == 6) - override = R_SS; - else - override = R_DS; - } - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); - } - } - - opreg = OR_A0; - disp = 0; - *reg_ptr = opreg; - *offset_ptr = disp; -} - -/* generate modrm memory load or store of 'reg'. TMP0 is used if reg != - OR_TMP0 */ -static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store) -{ - int mod, rm, opreg, disp; - - mod = (modrm >> 6) & 3; - rm = modrm & 7; - if (mod == 3) { - if (is_store) { - if (reg != OR_TMP0) - gen_op_mov_TN_reg[ot][0][reg](); - gen_op_mov_reg_T0[ot][rm](); - } else { - gen_op_mov_TN_reg[ot][0][rm](); - if (reg != OR_TMP0) - gen_op_mov_reg_T0[ot][reg](); - } - } else { - gen_lea_modrm(s, modrm, &opreg, &disp); - if (is_store) { - if (reg != OR_TMP0) - gen_op_mov_TN_reg[ot][0][reg](); - gen_op_st_T0_A0[ot + s->mem_index](); - } else { - gen_op_ld_T0_A0[ot + s->mem_index](); - if (reg != OR_TMP0) - gen_op_mov_reg_T0[ot][reg](); - } - } -} - -static inline uint32_t insn_get(DisasContext *s, int ot) -{ - uint32_t ret; - - switch(ot) { - case OT_BYTE: - ret = ldub(s->pc); - s->pc++; - break; - case OT_WORD: - ret = lduw(s->pc); - s->pc += 2; - break; - default: - case OT_LONG: - ret = ldl(s->pc); - s->pc += 4; - break; - } - return ret; -} - -static inline void gen_jcc(DisasContext *s, int b, int val, int next_eip) -{ - TranslationBlock *tb; - int inv, jcc_op; - GenOpFunc3 *func; - - inv = b & 1; - jcc_op = (b >> 1) & 7; - - if (s->jmp_opt) { - switch(s->cc_op) { - /* we optimize the cmp/jcc case */ - case CC_OP_SUBB: - case CC_OP_SUBW: - case CC_OP_SUBL: - func = gen_jcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; - break; - - /* some jumps are easy to compute */ - case CC_OP_ADDB: - case CC_OP_ADDW: - case CC_OP_ADDL: - case CC_OP_ADCB: - case CC_OP_ADCW: - case CC_OP_ADCL: - case CC_OP_SBBB: - case CC_OP_SBBW: - case CC_OP_SBBL: - case CC_OP_LOGICB: - case CC_OP_LOGICW: - case CC_OP_LOGICL: - case CC_OP_INCB: - case CC_OP_INCW: - case CC_OP_INCL: - case CC_OP_DECB: - case CC_OP_DECW: - case CC_OP_DECL: - case CC_OP_SHLB: - case CC_OP_SHLW: - case CC_OP_SHLL: - case CC_OP_SARB: - case CC_OP_SARW: - case CC_OP_SARL: - switch(jcc_op) { - case JCC_Z: - func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 3][jcc_op]; - break; - case JCC_S: - func = gen_jcc_sub[(s->cc_op - CC_OP_ADDB) % 3][jcc_op]; - break; - default: - func = NULL; - break; - } - break; - default: - func = NULL; - break; - } - - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - - if (!func) { - gen_setcc_slow[jcc_op](); - func = gen_op_jcc; - } - - tb = s->tb; - if (!inv) { - func((long)tb, val, next_eip); - } else { - func((long)tb, next_eip, val); - } - s->is_jmp = 3; - } else { - if (s->cc_op != CC_OP_DYNAMIC) { - gen_op_set_cc_op(s->cc_op); - s->cc_op = CC_OP_DYNAMIC; - } - gen_setcc_slow[jcc_op](); - if (!inv) { - gen_op_jcc_im(val, next_eip); - } else { - gen_op_jcc_im(next_eip, val); - } - gen_eob(s); - } -} - -static void gen_setcc(DisasContext *s, int b) -{ - int inv, jcc_op; - GenOpFunc *func; - - inv = b & 1; - jcc_op = (b >> 1) & 7; - switch(s->cc_op) { - /* we optimize the cmp/jcc case */ - case CC_OP_SUBB: - case CC_OP_SUBW: - case CC_OP_SUBL: - func = gen_setcc_sub[s->cc_op - CC_OP_SUBB][jcc_op]; - if (!func) - goto slow_jcc; - break; - - /* some jumps are easy to compute */ - case CC_OP_ADDB: - case CC_OP_ADDW: - case CC_OP_ADDL: - case CC_OP_LOGICB: - case CC_OP_LOGICW: - case CC_OP_LOGICL: - case CC_OP_INCB: - case CC_OP_INCW: - case CC_OP_INCL: - case CC_OP_DECB: - case CC_OP_DECW: - case CC_OP_DECL: - case CC_OP_SHLB: - case CC_OP_SHLW: - case CC_OP_SHLL: - switch(jcc_op) { - case JCC_Z: - func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 3][jcc_op]; - break; - case JCC_S: - func = gen_setcc_sub[(s->cc_op - CC_OP_ADDB) % 3][jcc_op]; - break; - default: - goto slow_jcc; - } - break; - default: - slow_jcc: - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - func = gen_setcc_slow[jcc_op]; - break; - } - func(); - if (inv) { - gen_op_xor_T0_1(); - } -} - -/* move T0 to seg_reg and compute if the CPU state may change. Never - call this function with seg_reg == R_CS */ -static void gen_movl_seg_T0(DisasContext *s, int seg_reg, unsigned int cur_eip) -{ - if (s->pe && !s->vm86) - gen_op_movl_seg_T0(seg_reg, cur_eip); - else - gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[seg_reg])); - /* abort translation because the register may have a non zero base - or because ss32 may change. For R_SS, translation must always - stop as a special handling must be done to disable hardware - interrupts for the next instruction */ - if (seg_reg == R_SS || (!s->addseg && seg_reg < R_FS)) - s->is_jmp = 3; -} - -/* generate a push. It depends on ss32, addseg and dflag */ -static void gen_push_T0(DisasContext *s) -{ - if (s->ss32) { - if (!s->addseg) { - if (s->dflag) - gen_op_pushl_T0(); - else - gen_op_pushw_T0(); - } else { - if (s->dflag) - gen_op_pushl_ss32_T0(); - else - gen_op_pushw_ss32_T0(); - } - } else { - if (s->dflag) - gen_op_pushl_ss16_T0(); - else - gen_op_pushw_ss16_T0(); - } -} - -/* two step pop is necessary for precise exceptions */ -static void gen_pop_T0(DisasContext *s) -{ - if (s->ss32) { - if (!s->addseg) { - if (s->dflag) - gen_op_popl_T0(); - else - gen_op_popw_T0(); - } else { - if (s->dflag) - gen_op_popl_ss32_T0(); - else - gen_op_popw_ss32_T0(); - } - } else { - if (s->dflag) - gen_op_popl_ss16_T0(); - else - gen_op_popw_ss16_T0(); - } -} - -static inline void gen_stack_update(DisasContext *s, int addend) -{ - if (s->ss32) { - if (addend == 2) - gen_op_addl_ESP_2(); - else if (addend == 4) - gen_op_addl_ESP_4(); - else - gen_op_addl_ESP_im(addend); - } else { - if (addend == 2) - gen_op_addw_ESP_2(); - else if (addend == 4) - gen_op_addw_ESP_4(); - else - gen_op_addw_ESP_im(addend); - } -} - -static void gen_pop_update(DisasContext *s) -{ - gen_stack_update(s, 2 << s->dflag); -} - -static void gen_stack_A0(DisasContext *s) -{ - gen_op_movl_A0_ESP(); - if (!s->ss32) - gen_op_andl_A0_ffff(); - gen_op_movl_T1_A0(); - if (s->addseg) - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); -} - -/* NOTE: wrap around in 16 bit not fully handled */ -static void gen_pusha(DisasContext *s) -{ - int i; - gen_op_movl_A0_ESP(); - gen_op_addl_A0_im(-16 << s->dflag); - if (!s->ss32) - gen_op_andl_A0_ffff(); - gen_op_movl_T1_A0(); - if (s->addseg) - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); - for(i = 0;i < 8; i++) { - gen_op_mov_TN_reg[OT_LONG][0][7 - i](); - gen_op_st_T0_A0[OT_WORD + s->dflag + s->mem_index](); - gen_op_addl_A0_im(2 << s->dflag); - } - gen_op_mov_reg_T1[OT_WORD + s->dflag][R_ESP](); -} - -/* NOTE: wrap around in 16 bit not fully handled */ -static void gen_popa(DisasContext *s) -{ - int i; - gen_op_movl_A0_ESP(); - if (!s->ss32) - gen_op_andl_A0_ffff(); - gen_op_movl_T1_A0(); - gen_op_addl_T1_im(16 << s->dflag); - if (s->addseg) - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); - for(i = 0;i < 8; i++) { - /* ESP is not reloaded */ - if (i != 3) { - gen_op_ld_T0_A0[OT_WORD + s->dflag + s->mem_index](); - gen_op_mov_reg_T0[OT_WORD + s->dflag][7 - i](); - } - gen_op_addl_A0_im(2 << s->dflag); - } - gen_op_mov_reg_T1[OT_WORD + s->dflag][R_ESP](); -} - -/* NOTE: wrap around in 16 bit not fully handled */ -/* XXX: check this */ -static void gen_enter(DisasContext *s, int esp_addend, int level) -{ - int ot, level1, addend, opsize; - - ot = s->dflag + OT_WORD; - level &= 0x1f; - level1 = level; - opsize = 2 << s->dflag; - - gen_op_movl_A0_ESP(); - gen_op_addl_A0_im(-opsize); - if (!s->ss32) - gen_op_andl_A0_ffff(); - gen_op_movl_T1_A0(); - if (s->addseg) - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[R_SS].base)); - /* push bp */ - gen_op_mov_TN_reg[OT_LONG][0][R_EBP](); - gen_op_st_T0_A0[ot + s->mem_index](); - if (level) { - while (level--) { - gen_op_addl_A0_im(-opsize); - gen_op_addl_T0_im(-opsize); - gen_op_st_T0_A0[ot + s->mem_index](); - } - gen_op_addl_A0_im(-opsize); - /* XXX: add st_T1_A0 ? */ - gen_op_movl_T0_T1(); - gen_op_st_T0_A0[ot + s->mem_index](); - } - gen_op_mov_reg_T1[ot][R_EBP](); - addend = -esp_addend; - if (level1) - addend -= opsize * (level1 + 1); - gen_op_addl_T1_im(addend); - gen_op_mov_reg_T1[ot][R_ESP](); -} - -static void gen_exception(DisasContext *s, int trapno, unsigned int cur_eip) -{ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(cur_eip); - gen_op_raise_exception(trapno); - s->is_jmp = 3; -} - -/* an interrupt is different from an exception because of the - priviledge checks */ -static void gen_interrupt(DisasContext *s, int intno, - unsigned int cur_eip, unsigned int next_eip) -{ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(cur_eip); - gen_op_raise_interrupt(intno, next_eip); - s->is_jmp = 3; -} - -static void gen_debug(DisasContext *s, unsigned int cur_eip) -{ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(cur_eip); - gen_op_debug(); - s->is_jmp = 3; -} - -/* generate a generic end of block. Trace exception is also generated - if needed */ -static void gen_eob(DisasContext *s) -{ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - if (s->tf) { - gen_op_raise_exception(EXCP01_SSTP); - } else { - gen_op_movl_T0_0(); - gen_op_exit_tb(); - } - s->is_jmp = 3; -} - -/* generate a jump to eip. No segment change must happen before as a - direct call to the next block may occur */ -static void gen_jmp(DisasContext *s, unsigned int eip) -{ - TranslationBlock *tb = s->tb; - - if (s->jmp_opt) { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp((long)tb, eip); - s->is_jmp = 3; - } else { - gen_op_jmp_im(eip); - gen_eob(s); - } -} - -/* convert one instruction. s->is_jmp is set if the translation must - be stopped. Return the next pc value */ -static uint8_t *disas_insn(DisasContext *s, uint8_t *pc_start) -{ - int b, prefixes, aflag, dflag; - int shift, ot; - int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val; - unsigned int next_eip; - - s->pc = pc_start; - prefixes = 0; - aflag = s->code32; - dflag = s->code32; - s->override = -1; - next_byte: - b = ldub(s->pc); - s->pc++; - /* check prefixes */ - switch (b) { - case 0xf3: - prefixes |= PREFIX_REPZ; - goto next_byte; - case 0xf2: - prefixes |= PREFIX_REPNZ; - goto next_byte; - case 0xf0: - prefixes |= PREFIX_LOCK; - goto next_byte; - case 0x2e: - s->override = R_CS; - goto next_byte; - case 0x36: - s->override = R_SS; - goto next_byte; - case 0x3e: - s->override = R_DS; - goto next_byte; - case 0x26: - s->override = R_ES; - goto next_byte; - case 0x64: - s->override = R_FS; - goto next_byte; - case 0x65: - s->override = R_GS; - goto next_byte; - case 0x66: - prefixes |= PREFIX_DATA; - goto next_byte; - case 0x67: - prefixes |= PREFIX_ADR; - goto next_byte; - } - - if (prefixes & PREFIX_DATA) - dflag ^= 1; - if (prefixes & PREFIX_ADR) - aflag ^= 1; - - s->prefix = prefixes; - s->aflag = aflag; - s->dflag = dflag; - - /* lock generation */ - if (prefixes & PREFIX_LOCK) - gen_op_lock(); - - /* now check op code */ - reswitch: - switch(b) { - case 0x0f: - /**************************/ - /* extended op code */ - b = ldub(s->pc++) | 0x100; - goto reswitch; - - /**************************/ - /* arith & logic */ - case 0x00 ... 0x05: - case 0x08 ... 0x0d: - case 0x10 ... 0x15: - case 0x18 ... 0x1d: - case 0x20 ... 0x25: - case 0x28 ... 0x2d: - case 0x30 ... 0x35: - case 0x38 ... 0x3d: - { - int op, f, val; - op = (b >> 3) & 7; - f = (b >> 1) & 3; - - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - switch(f) { - case 0: /* OP Ev, Gv */ - modrm = ldub(s->pc++); - reg = ((modrm >> 3) & 7); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - opreg = OR_TMP0; - } else if (op == OP_XORL && rm == reg) { - xor_zero: - /* xor reg, reg optimisation */ - gen_op_movl_T0_0(); - s->cc_op = CC_OP_LOGICB + ot; - gen_op_mov_reg_T0[ot][reg](); - gen_op_update1_cc(); - break; - } else { - opreg = rm; - } - gen_op_mov_TN_reg[ot][1][reg](); - gen_op(s, op, ot, opreg); - break; - case 1: /* OP Gv, Ev */ - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - reg = ((modrm >> 3) & 7); - rm = modrm & 7; - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T1_A0[ot + s->mem_index](); - } else if (op == OP_XORL && rm == reg) { - goto xor_zero; - } else { - gen_op_mov_TN_reg[ot][1][rm](); - } - gen_op(s, op, ot, reg); - break; - case 2: /* OP A, Iv */ - val = insn_get(s, ot); - gen_op_movl_T1_im(val); - gen_op(s, op, ot, OR_EAX); - break; - } - } - break; - - case 0x80: /* GRP1 */ - case 0x81: - case 0x83: - { - int val; - - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - op = (modrm >> 3) & 7; - - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - opreg = OR_TMP0; - } else { - opreg = rm + OR_EAX; - } - - switch(b) { - default: - case 0x80: - case 0x81: - val = insn_get(s, ot); - break; - case 0x83: - val = (int8_t)insn_get(s, OT_BYTE); - break; - } - gen_op_movl_T1_im(val); - gen_op(s, op, ot, opreg); - } - break; - - /**************************/ - /* inc, dec, and other misc arith */ - case 0x40 ... 0x47: /* inc Gv */ - ot = dflag ? OT_LONG : OT_WORD; - gen_inc(s, ot, OR_EAX + (b & 7), 1); - break; - case 0x48 ... 0x4f: /* dec Gv */ - ot = dflag ? OT_LONG : OT_WORD; - gen_inc(s, ot, OR_EAX + (b & 7), -1); - break; - case 0xf6: /* GRP3 */ - case 0xf7: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - op = (modrm >> 3) & 7; - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_TN_reg[ot][0][rm](); - } - - switch(op) { - case 0: /* test */ - val = insn_get(s, ot); - gen_op_movl_T1_im(val); - gen_op_testl_T0_T1_cc(); - s->cc_op = CC_OP_LOGICB + ot; - break; - case 2: /* not */ - gen_op_notl_T0(); - if (mod != 3) { - gen_op_st_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_reg_T0[ot][rm](); - } - break; - case 3: /* neg */ - gen_op_negl_T0(); - if (mod != 3) { - gen_op_st_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_reg_T0[ot][rm](); - } - gen_op_update_neg_cc(); - s->cc_op = CC_OP_SUBB + ot; - break; - case 4: /* mul */ - switch(ot) { - case OT_BYTE: - gen_op_mulb_AL_T0(); - break; - case OT_WORD: - gen_op_mulw_AX_T0(); - break; - default: - case OT_LONG: - gen_op_mull_EAX_T0(); - break; - } - s->cc_op = CC_OP_MUL; - break; - case 5: /* imul */ - switch(ot) { - case OT_BYTE: - gen_op_imulb_AL_T0(); - break; - case OT_WORD: - gen_op_imulw_AX_T0(); - break; - default: - case OT_LONG: - gen_op_imull_EAX_T0(); - break; - } - s->cc_op = CC_OP_MUL; - break; - case 6: /* div */ - switch(ot) { - case OT_BYTE: - gen_op_divb_AL_T0(pc_start - s->cs_base); - break; - case OT_WORD: - gen_op_divw_AX_T0(pc_start - s->cs_base); - break; - default: - case OT_LONG: - gen_op_divl_EAX_T0(pc_start - s->cs_base); - break; - } - break; - case 7: /* idiv */ - switch(ot) { - case OT_BYTE: - gen_op_idivb_AL_T0(pc_start - s->cs_base); - break; - case OT_WORD: - gen_op_idivw_AX_T0(pc_start - s->cs_base); - break; - default: - case OT_LONG: - gen_op_idivl_EAX_T0(pc_start - s->cs_base); - break; - } - break; - default: - goto illegal_op; - } - break; - - case 0xfe: /* GRP4 */ - case 0xff: /* GRP5 */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - op = (modrm >> 3) & 7; - if (op >= 2 && b == 0xfe) { - goto illegal_op; - } - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - if (op >= 2 && op != 3 && op != 5) - gen_op_ld_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_TN_reg[ot][0][rm](); - } - - switch(op) { - case 0: /* inc Ev */ - if (mod != 3) - opreg = OR_TMP0; - else - opreg = rm; - gen_inc(s, ot, opreg, 1); - break; - case 1: /* dec Ev */ - if (mod != 3) - opreg = OR_TMP0; - else - opreg = rm; - gen_inc(s, ot, opreg, -1); - break; - case 2: /* call Ev */ - /* XXX: optimize if memory (no and is necessary) */ - if (s->dflag == 0) - gen_op_andl_T0_ffff(); - gen_op_jmp_T0(); - next_eip = s->pc - s->cs_base; - gen_op_movl_T0_im(next_eip); - gen_push_T0(s); - gen_eob(s); - break; - case 3: /*< lcall Ev */ - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_addl_A0_im(1 << (ot - OT_WORD + 1)); - gen_op_ld_T0_A0[OT_WORD + s->mem_index](); - do_lcall: - if (s->pe && !s->vm86) { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(pc_start - s->cs_base); - gen_op_lcall_protected_T0_T1(dflag, s->pc - s->cs_base); - } else { - gen_op_lcall_real_T0_T1(dflag, s->pc - s->cs_base); - } - gen_eob(s); - break; - case 4: /* jmp Ev */ - if (s->dflag == 0) - gen_op_andl_T0_ffff(); - gen_op_jmp_T0(); - gen_eob(s); - break; - case 5: /* ljmp Ev */ - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_addl_A0_im(1 << (ot - OT_WORD + 1)); - gen_op_lduw_T0_A0(); - do_ljmp: - if (s->pe && !s->vm86) { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(pc_start - s->cs_base); - gen_op_ljmp_protected_T0_T1(); - } else { - gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[R_CS])); - gen_op_movl_T0_T1(); - gen_op_jmp_T0(); - } - gen_eob(s); - break; - case 6: /* push Ev */ - gen_push_T0(s); - break; - default: - goto illegal_op; - } - break; - - case 0x84: /* test Ev, Gv */ - case 0x85: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - reg = (modrm >> 3) & 7; - - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); - gen_op_mov_TN_reg[ot][1][reg + OR_EAX](); - gen_op_testl_T0_T1_cc(); - s->cc_op = CC_OP_LOGICB + ot; - break; - - case 0xa8: /* test eAX, Iv */ - case 0xa9: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - val = insn_get(s, ot); - - gen_op_mov_TN_reg[ot][0][OR_EAX](); - gen_op_movl_T1_im(val); - gen_op_testl_T0_T1_cc(); - s->cc_op = CC_OP_LOGICB + ot; - break; - - case 0x98: /* CWDE/CBW */ - if (dflag) - gen_op_movswl_EAX_AX(); - else - gen_op_movsbw_AX_AL(); - break; - case 0x99: /* CDQ/CWD */ - if (dflag) - gen_op_movslq_EDX_EAX(); - else - gen_op_movswl_DX_AX(); - break; - case 0x1af: /* imul Gv, Ev */ - case 0x69: /* imul Gv, Ev, I */ - case 0x6b: - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = ((modrm >> 3) & 7) + OR_EAX; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); - if (b == 0x69) { - val = insn_get(s, ot); - gen_op_movl_T1_im(val); - } else if (b == 0x6b) { - val = insn_get(s, OT_BYTE); - gen_op_movl_T1_im(val); - } else { - gen_op_mov_TN_reg[ot][1][reg](); - } - - if (ot == OT_LONG) { - gen_op_imull_T0_T1(); - } else { - gen_op_imulw_T0_T1(); - } - gen_op_mov_reg_T0[ot][reg](); - s->cc_op = CC_OP_MUL; - break; - case 0x1c0: - case 0x1c1: /* xadd Ev, Gv */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - if (mod == 3) { - rm = modrm & 7; - gen_op_mov_TN_reg[ot][0][reg](); - gen_op_mov_TN_reg[ot][1][rm](); - gen_op_addl_T0_T1(); - gen_op_mov_reg_T0[ot][rm](); - gen_op_mov_reg_T1[ot][reg](); - } else { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_mov_TN_reg[ot][0][reg](); - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_addl_T0_T1(); - gen_op_st_T0_A0[ot + s->mem_index](); - gen_op_mov_reg_T1[ot][reg](); - } - gen_op_update2_cc(); - s->cc_op = CC_OP_ADDB + ot; - break; - case 0x1b0: - case 0x1b1: /* cmpxchg Ev, Gv */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - gen_op_mov_TN_reg[ot][1][reg](); - if (mod == 3) { - rm = modrm & 7; - gen_op_mov_TN_reg[ot][0][rm](); - gen_op_cmpxchg_T0_T1_EAX_cc[ot](); - gen_op_mov_reg_T0[ot][rm](); - } else { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T0_A0[ot + s->mem_index](); - gen_op_cmpxchg_mem_T0_T1_EAX_cc[ot](); - } - s->cc_op = CC_OP_SUBB + ot; - break; - case 0x1c7: /* cmpxchg8b */ - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - if (mod == 3) - goto illegal_op; - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_cmpxchg8b(); - s->cc_op = CC_OP_EFLAGS; - break; - - /**************************/ - /* push/pop */ - case 0x50 ... 0x57: /* push */ - gen_op_mov_TN_reg[OT_LONG][0][b & 7](); - gen_push_T0(s); - break; - case 0x58 ... 0x5f: /* pop */ - ot = dflag ? OT_LONG : OT_WORD; - gen_pop_T0(s); - gen_op_mov_reg_T0[ot][b & 7](); - gen_pop_update(s); - break; - case 0x60: /* pusha */ - gen_pusha(s); - break; - case 0x61: /* popa */ - gen_popa(s); - break; - case 0x68: /* push Iv */ - case 0x6a: - ot = dflag ? OT_LONG : OT_WORD; - if (b == 0x68) - val = insn_get(s, ot); - else - val = (int8_t)insn_get(s, OT_BYTE); - gen_op_movl_T0_im(val); - gen_push_T0(s); - break; - case 0x8f: /* pop Ev */ - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - gen_pop_T0(s); - s->popl_esp_hack = 2 << dflag; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); - s->popl_esp_hack = 0; - gen_pop_update(s); - break; - case 0xc8: /* enter */ - { - int level; - val = lduw(s->pc); - s->pc += 2; - level = ldub(s->pc++); - gen_enter(s, val, level); - } - break; - case 0xc9: /* leave */ - /* XXX: exception not precise (ESP is updated before potential exception) */ - if (s->ss32) { - gen_op_mov_TN_reg[OT_LONG][0][R_EBP](); - gen_op_mov_reg_T0[OT_LONG][R_ESP](); - } else { - gen_op_mov_TN_reg[OT_WORD][0][R_EBP](); - gen_op_mov_reg_T0[OT_WORD][R_ESP](); - } - gen_pop_T0(s); - ot = dflag ? OT_LONG : OT_WORD; - gen_op_mov_reg_T0[ot][R_EBP](); - gen_pop_update(s); - break; - case 0x06: /* push es */ - case 0x0e: /* push cs */ - case 0x16: /* push ss */ - case 0x1e: /* push ds */ - gen_op_movl_T0_seg(b >> 3); - gen_push_T0(s); - break; - case 0x1a0: /* push fs */ - case 0x1a8: /* push gs */ - gen_op_movl_T0_seg((b >> 3) & 7); - gen_push_T0(s); - break; - case 0x07: /* pop es */ - case 0x17: /* pop ss */ - case 0x1f: /* pop ds */ - reg = b >> 3; - gen_pop_T0(s); - gen_movl_seg_T0(s, reg, pc_start - s->cs_base); - gen_pop_update(s); - if (reg == R_SS) { - /* if reg == SS, inhibit interrupts/trace */ - gen_op_set_inhibit_irq(); - s->tf = 0; - } - if (s->is_jmp) { - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } - break; - case 0x1a1: /* pop fs */ - case 0x1a9: /* pop gs */ - gen_pop_T0(s); - gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base); - gen_pop_update(s); - if (s->is_jmp) { - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } - break; - - /**************************/ - /* mov */ - case 0x88: - case 0x89: /* mov Gv, Ev */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - - /* generate a generic store */ - gen_ldst_modrm(s, modrm, ot, OR_EAX + reg, 1); - break; - case 0xc6: - case 0xc7: /* mov Ev, Iv */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - if (mod != 3) - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - val = insn_get(s, ot); - gen_op_movl_T0_im(val); - if (mod != 3) - gen_op_st_T0_A0[ot + s->mem_index](); - else - gen_op_mov_reg_T0[ot][modrm & 7](); - break; - case 0x8a: - case 0x8b: /* mov Ev, Gv */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); - gen_op_mov_reg_T0[ot][reg](); - break; - case 0x8e: /* mov seg, Gv */ - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - if (reg >= 6 || reg == R_CS) - goto illegal_op; - gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); - gen_movl_seg_T0(s, reg, pc_start - s->cs_base); - if (reg == R_SS) { - /* if reg == SS, inhibit interrupts/trace */ - gen_op_set_inhibit_irq(); - s->tf = 0; - } - if (s->is_jmp) { - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } - break; - case 0x8c: /* mov Gv, seg */ - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - if (reg >= 6) - goto illegal_op; - gen_op_movl_T0_seg(reg); - ot = OT_WORD; - if (mod == 3 && dflag) - ot = OT_LONG; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); - break; - - case 0x1b6: /* movzbS Gv, Eb */ - case 0x1b7: /* movzwS Gv, Eb */ - case 0x1be: /* movsbS Gv, Eb */ - case 0x1bf: /* movswS Gv, Eb */ - { - int d_ot; - /* d_ot is the size of destination */ - d_ot = dflag + OT_WORD; - /* ot is the size of source */ - ot = (b & 1) + OT_BYTE; - modrm = ldub(s->pc++); - reg = ((modrm >> 3) & 7) + OR_EAX; - mod = (modrm >> 6) & 3; - rm = modrm & 7; - - if (mod == 3) { - gen_op_mov_TN_reg[ot][0][rm](); - switch(ot | (b & 8)) { - case OT_BYTE: - gen_op_movzbl_T0_T0(); - break; - case OT_BYTE | 8: - gen_op_movsbl_T0_T0(); - break; - case OT_WORD: - gen_op_movzwl_T0_T0(); - break; - default: - case OT_WORD | 8: - gen_op_movswl_T0_T0(); - break; - } - gen_op_mov_reg_T0[d_ot][reg](); - } else { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - if (b & 8) { - gen_op_lds_T0_A0[ot + s->mem_index](); - } else { - gen_op_ldu_T0_A0[ot + s->mem_index](); - } - gen_op_mov_reg_T0[d_ot][reg](); - } - } - break; - - case 0x8d: /* lea */ - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - /* we must ensure that no segment is added */ - s->override = -1; - val = s->addseg; - s->addseg = 0; - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - s->addseg = val; - gen_op_mov_reg_A0[ot - OT_WORD][reg](); - break; - - case 0xa0: /* mov EAX, Ov */ - case 0xa1: - case 0xa2: /* mov Ov, EAX */ - case 0xa3: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - if (s->aflag) - offset_addr = insn_get(s, OT_LONG); - else - offset_addr = insn_get(s, OT_WORD); - gen_op_movl_A0_im(offset_addr); - /* handle override */ - { - int override, must_add_seg; - must_add_seg = s->addseg; - if (s->override >= 0) { - override = s->override; - must_add_seg = 1; - } else { - override = R_DS; - } - if (must_add_seg) { - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); - } - } - if ((b & 2) == 0) { - gen_op_ld_T0_A0[ot + s->mem_index](); - gen_op_mov_reg_T0[ot][R_EAX](); - } else { - gen_op_mov_TN_reg[ot][0][R_EAX](); - gen_op_st_T0_A0[ot + s->mem_index](); - } - break; - case 0xd7: /* xlat */ - gen_op_movl_A0_reg[R_EBX](); - gen_op_addl_A0_AL(); - if (s->aflag == 0) - gen_op_andl_A0_ffff(); - /* handle override */ - { - int override, must_add_seg; - must_add_seg = s->addseg; - override = R_DS; - if (s->override >= 0) { - override = s->override; - must_add_seg = 1; - } else { - override = R_DS; - } - if (must_add_seg) { - gen_op_addl_A0_seg(offsetof(CPUX86State,segs[override].base)); - } - } - gen_op_ldu_T0_A0[OT_BYTE + s->mem_index](); - gen_op_mov_reg_T0[OT_BYTE][R_EAX](); - break; - case 0xb0 ... 0xb7: /* mov R, Ib */ - val = insn_get(s, OT_BYTE); - gen_op_movl_T0_im(val); - gen_op_mov_reg_T0[OT_BYTE][b & 7](); - break; - case 0xb8 ... 0xbf: /* mov R, Iv */ - ot = dflag ? OT_LONG : OT_WORD; - val = insn_get(s, ot); - reg = OR_EAX + (b & 7); - gen_op_movl_T0_im(val); - gen_op_mov_reg_T0[ot][reg](); - break; - - case 0x91 ... 0x97: /* xchg R, EAX */ - ot = dflag ? OT_LONG : OT_WORD; - reg = b & 7; - rm = R_EAX; - goto do_xchg_reg; - case 0x86: - case 0x87: /* xchg Ev, Gv */ - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - if (mod == 3) { - rm = modrm & 7; - do_xchg_reg: - gen_op_mov_TN_reg[ot][0][reg](); - gen_op_mov_TN_reg[ot][1][rm](); - gen_op_mov_reg_T0[ot][rm](); - gen_op_mov_reg_T1[ot][reg](); - } else { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_mov_TN_reg[ot][0][reg](); - /* for xchg, lock is implicit */ - if (!(prefixes & PREFIX_LOCK)) - gen_op_lock(); - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_st_T0_A0[ot + s->mem_index](); - if (!(prefixes & PREFIX_LOCK)) - gen_op_unlock(); - gen_op_mov_reg_T1[ot][reg](); - } - break; - case 0xc4: /* les Gv */ - op = R_ES; - goto do_lxx; - case 0xc5: /* lds Gv */ - op = R_DS; - goto do_lxx; - case 0x1b2: /* lss Gv */ - op = R_SS; - goto do_lxx; - case 0x1b4: /* lfs Gv */ - op = R_FS; - goto do_lxx; - case 0x1b5: /* lgs Gv */ - op = R_GS; - do_lxx: - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - if (mod == 3) - goto illegal_op; - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T1_A0[ot + s->mem_index](); - gen_op_addl_A0_im(1 << (ot - OT_WORD + 1)); - /* load the segment first to handle exceptions properly */ - gen_op_lduw_T0_A0(); - gen_movl_seg_T0(s, op, pc_start - s->cs_base); - /* then put the data */ - gen_op_mov_reg_T1[ot][reg](); - if (s->is_jmp) { - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } - break; - - /************************/ - /* shifts */ - case 0xc0: - case 0xc1: - /* shift Ev,Ib */ - shift = 2; - grp2: - { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - op = (modrm >> 3) & 7; - - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - opreg = OR_TMP0; - } else { - opreg = rm + OR_EAX; - } - - /* simpler op */ - if (shift == 0) { - gen_shift(s, op, ot, opreg, OR_ECX); - } else { - if (shift == 2) { - shift = ldub(s->pc++); - } - gen_shifti(s, op, ot, opreg, shift); - } - } - break; - case 0xd0: - case 0xd1: - /* shift Ev,1 */ - shift = 1; - goto grp2; - case 0xd2: - case 0xd3: - /* shift Ev,cl */ - shift = 0; - goto grp2; - - case 0x1a4: /* shld imm */ - op = 0; - shift = 1; - goto do_shiftd; - case 0x1a5: /* shld cl */ - op = 0; - shift = 0; - goto do_shiftd; - case 0x1ac: /* shrd imm */ - op = 1; - shift = 1; - goto do_shiftd; - case 0x1ad: /* shrd cl */ - op = 1; - shift = 0; - do_shiftd: - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - reg = (modrm >> 3) & 7; - - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_TN_reg[ot][0][rm](); - } - gen_op_mov_TN_reg[ot][1][reg](); - - if (shift) { - val = ldub(s->pc++); - val &= 0x1f; - if (val) { - if (mod == 3) - gen_op_shiftd_T0_T1_im_cc[ot - OT_WORD][op](val); - else - gen_op_shiftd_mem_T0_T1_im_cc[ot - OT_WORD][op](val); - if (op == 0 && ot != OT_WORD) - s->cc_op = CC_OP_SHLB + ot; - else - s->cc_op = CC_OP_SARB + ot; - } - } else { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - if (mod == 3) - gen_op_shiftd_T0_T1_ECX_cc[ot - OT_WORD][op](); - else - gen_op_shiftd_mem_T0_T1_ECX_cc[ot - OT_WORD][op](); - s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */ - } - if (mod == 3) { - gen_op_mov_reg_T0[ot][rm](); - } - break; - - /************************/ - /* floats */ - case 0xd8 ... 0xdf: - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - rm = modrm & 7; - op = ((b & 7) << 3) | ((modrm >> 3) & 7); - - if (mod != 3) { - /* memory op */ - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - switch(op) { - case 0x00 ... 0x07: /* fxxxs */ - case 0x10 ... 0x17: /* fixxxl */ - case 0x20 ... 0x27: /* fxxxl */ - case 0x30 ... 0x37: /* fixxx */ - { - int op1; - op1 = op & 7; - - switch(op >> 4) { - case 0: - gen_op_flds_FT0_A0(); - break; - case 1: - gen_op_fildl_FT0_A0(); - break; - case 2: - gen_op_fldl_FT0_A0(); - break; - case 3: - default: - gen_op_fild_FT0_A0(); - break; - } - - gen_op_fp_arith_ST0_FT0[op1](); - if (op1 == 3) { - /* fcomp needs pop */ - gen_op_fpop(); - } - } - break; - case 0x08: /* flds */ - case 0x0a: /* fsts */ - case 0x0b: /* fstps */ - case 0x18: /* fildl */ - case 0x1a: /* fistl */ - case 0x1b: /* fistpl */ - case 0x28: /* fldl */ - case 0x2a: /* fstl */ - case 0x2b: /* fstpl */ - case 0x38: /* filds */ - case 0x3a: /* fists */ - case 0x3b: /* fistps */ - - switch(op & 7) { - case 0: - switch(op >> 4) { - case 0: - gen_op_flds_ST0_A0(); - break; - case 1: - gen_op_fildl_ST0_A0(); - break; - case 2: - gen_op_fldl_ST0_A0(); - break; - case 3: - default: - gen_op_fild_ST0_A0(); - break; - } - break; - default: - switch(op >> 4) { - case 0: - gen_op_fsts_ST0_A0(); - break; - case 1: - gen_op_fistl_ST0_A0(); - break; - case 2: - gen_op_fstl_ST0_A0(); - break; - case 3: - default: - gen_op_fist_ST0_A0(); - break; - } - if ((op & 7) == 3) - gen_op_fpop(); - break; - } - break; - case 0x0c: /* fldenv mem */ - gen_op_fldenv_A0(s->dflag); - break; - case 0x0d: /* fldcw mem */ - gen_op_fldcw_A0(); - break; - case 0x0e: /* fnstenv mem */ - gen_op_fnstenv_A0(s->dflag); - break; - case 0x0f: /* fnstcw mem */ - gen_op_fnstcw_A0(); - break; - case 0x1d: /* fldt mem */ - gen_op_fldt_ST0_A0(); - break; - case 0x1f: /* fstpt mem */ - gen_op_fstt_ST0_A0(); - gen_op_fpop(); - break; - case 0x2c: /* frstor mem */ - gen_op_frstor_A0(s->dflag); - break; - case 0x2e: /* fnsave mem */ - gen_op_fnsave_A0(s->dflag); - break; - case 0x2f: /* fnstsw mem */ - gen_op_fnstsw_A0(); - break; - case 0x3c: /* fbld */ - gen_op_fbld_ST0_A0(); - break; - case 0x3e: /* fbstp */ - gen_op_fbst_ST0_A0(); - gen_op_fpop(); - break; - case 0x3d: /* fildll */ - gen_op_fildll_ST0_A0(); - break; - case 0x3f: /* fistpll */ - gen_op_fistll_ST0_A0(); - gen_op_fpop(); - break; - default: - goto illegal_op; - } - } else { - /* register float ops */ - opreg = rm; - - switch(op) { - case 0x08: /* fld sti */ - gen_op_fpush(); - gen_op_fmov_ST0_STN((opreg + 1) & 7); - break; - case 0x09: /* fxchg sti */ - gen_op_fxchg_ST0_STN(opreg); - break; - case 0x0a: /* grp d9/2 */ - switch(rm) { - case 0: /* fnop */ - break; - default: - goto illegal_op; - } - break; - case 0x0c: /* grp d9/4 */ - switch(rm) { - case 0: /* fchs */ - gen_op_fchs_ST0(); - break; - case 1: /* fabs */ - gen_op_fabs_ST0(); - break; - case 4: /* ftst */ - gen_op_fldz_FT0(); - gen_op_fcom_ST0_FT0(); - break; - case 5: /* fxam */ - gen_op_fxam_ST0(); - break; - default: - goto illegal_op; - } - break; - case 0x0d: /* grp d9/5 */ - { - switch(rm) { - case 0: - gen_op_fpush(); - gen_op_fld1_ST0(); - break; - case 1: - gen_op_fpush(); - gen_op_fldl2t_ST0(); - break; - case 2: - gen_op_fpush(); - gen_op_fldl2e_ST0(); - break; - case 3: - gen_op_fpush(); - gen_op_fldpi_ST0(); - break; - case 4: - gen_op_fpush(); - gen_op_fldlg2_ST0(); - break; - case 5: - gen_op_fpush(); - gen_op_fldln2_ST0(); - break; - case 6: - gen_op_fpush(); - gen_op_fldz_ST0(); - break; - default: - goto illegal_op; - } - } - break; - case 0x0e: /* grp d9/6 */ - switch(rm) { - case 0: /* f2xm1 */ - gen_op_f2xm1(); - break; - case 1: /* fyl2x */ - gen_op_fyl2x(); - break; - case 2: /* fptan */ - gen_op_fptan(); - break; - case 3: /* fpatan */ - gen_op_fpatan(); - break; - case 4: /* fxtract */ - gen_op_fxtract(); - break; - case 5: /* fprem1 */ - gen_op_fprem1(); - break; - case 6: /* fdecstp */ - gen_op_fdecstp(); - break; - default: - case 7: /* fincstp */ - gen_op_fincstp(); - break; - } - break; - case 0x0f: /* grp d9/7 */ - switch(rm) { - case 0: /* fprem */ - gen_op_fprem(); - break; - case 1: /* fyl2xp1 */ - gen_op_fyl2xp1(); - break; - case 2: /* fsqrt */ - gen_op_fsqrt(); - break; - case 3: /* fsincos */ - gen_op_fsincos(); - break; - case 5: /* fscale */ - gen_op_fscale(); - break; - case 4: /* frndint */ - gen_op_frndint(); - break; - case 6: /* fsin */ - gen_op_fsin(); - break; - default: - case 7: /* fcos */ - gen_op_fcos(); - break; - } - break; - case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */ - case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */ - case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */ - { - int op1; - - op1 = op & 7; - if (op >= 0x20) { - gen_op_fp_arith_STN_ST0[op1](opreg); - if (op >= 0x30) - gen_op_fpop(); - } else { - gen_op_fmov_FT0_STN(opreg); - gen_op_fp_arith_ST0_FT0[op1](); - } - } - break; - case 0x02: /* fcom */ - gen_op_fmov_FT0_STN(opreg); - gen_op_fcom_ST0_FT0(); - break; - case 0x03: /* fcomp */ - gen_op_fmov_FT0_STN(opreg); - gen_op_fcom_ST0_FT0(); - gen_op_fpop(); - break; - case 0x15: /* da/5 */ - switch(rm) { - case 1: /* fucompp */ - gen_op_fmov_FT0_STN(1); - gen_op_fucom_ST0_FT0(); - gen_op_fpop(); - gen_op_fpop(); - break; - default: - goto illegal_op; - } - break; - case 0x1c: - switch(rm) { - case 0: /* feni (287 only, just do nop here) */ - break; - case 1: /* fdisi (287 only, just do nop here) */ - break; - case 2: /* fclex */ - gen_op_fclex(); - break; - case 3: /* fninit */ - gen_op_fninit(); - break; - case 4: /* fsetpm (287 only, just do nop here) */ - break; - default: - goto illegal_op; - } - break; - case 0x1d: /* fucomi */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_fmov_FT0_STN(opreg); - gen_op_fucomi_ST0_FT0(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x1e: /* fcomi */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_fmov_FT0_STN(opreg); - gen_op_fcomi_ST0_FT0(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x2a: /* fst sti */ - gen_op_fmov_STN_ST0(opreg); - break; - case 0x2b: /* fstp sti */ - gen_op_fmov_STN_ST0(opreg); - gen_op_fpop(); - break; - case 0x2c: /* fucom st(i) */ - gen_op_fmov_FT0_STN(opreg); - gen_op_fucom_ST0_FT0(); - break; - case 0x2d: /* fucomp st(i) */ - gen_op_fmov_FT0_STN(opreg); - gen_op_fucom_ST0_FT0(); - gen_op_fpop(); - break; - case 0x33: /* de/3 */ - switch(rm) { - case 1: /* fcompp */ - gen_op_fmov_FT0_STN(1); - gen_op_fcom_ST0_FT0(); - gen_op_fpop(); - gen_op_fpop(); - break; - default: - goto illegal_op; - } - break; - case 0x3c: /* df/4 */ - switch(rm) { - case 0: - gen_op_fnstsw_EAX(); - break; - default: - goto illegal_op; - } - break; - case 0x3d: /* fucomip */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_fmov_FT0_STN(opreg); - gen_op_fucomi_ST0_FT0(); - gen_op_fpop(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x3e: /* fcomip */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_fmov_FT0_STN(opreg); - gen_op_fcomi_ST0_FT0(); - gen_op_fpop(); - s->cc_op = CC_OP_EFLAGS; - break; - default: - goto illegal_op; - } - } - break; - /************************/ - /* string ops */ - - case 0xa4: /* movsS */ - case 0xa5: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { - gen_repz_movs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); - } else { - gen_movs(s, ot); - } - break; - - case 0xaa: /* stosS */ - case 0xab: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - - if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { - gen_repz_stos(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); - } else { - gen_stos(s, ot); - } - break; - case 0xac: /* lodsS */ - case 0xad: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { - gen_repz_lods(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); - } else { - gen_lods(s, ot); - } - break; - case 0xae: /* scasS */ - case 0xaf: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - if (prefixes & PREFIX_REPNZ) { - gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); - } else if (prefixes & PREFIX_REPZ) { - gen_repz_scas(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); - } else { - gen_scas(s, ot); - s->cc_op = CC_OP_SUBB + ot; - } - break; - - case 0xa6: /* cmpsS */ - case 0xa7: - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - if (prefixes & PREFIX_REPNZ) { - gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 1); - } else if (prefixes & PREFIX_REPZ) { - gen_repz_cmps(s, ot, pc_start - s->cs_base, s->pc - s->cs_base, 0); - } else { - gen_cmps(s, ot); - s->cc_op = CC_OP_SUBB + ot; - } - break; - case 0x6c: /* insS */ - case 0x6d: - if (s->pe && (s->cpl > s->iopl || s->vm86)) { - /* NOTE: even for (E)CX = 0 the exception is raised */ - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { - gen_repz_ins(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); - } else { - gen_ins(s, ot); - } - } - break; - case 0x6e: /* outsS */ - case 0x6f: - if (s->pe && (s->cpl > s->iopl || s->vm86)) { - /* NOTE: even for (E)CX = 0 the exception is raised */ - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) { - gen_repz_outs(s, ot, pc_start - s->cs_base, s->pc - s->cs_base); - } else { - gen_outs(s, ot); - } - } - break; - - /************************/ - /* port I/O */ - case 0xe4: - case 0xe5: - if (s->pe && (s->cpl > s->iopl || s->vm86)) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - val = ldub(s->pc++); - gen_op_movl_T0_im(val); - gen_op_in[ot](); - gen_op_mov_reg_T1[ot][R_EAX](); - } - break; - case 0xe6: - case 0xe7: - if (s->pe && (s->cpl > s->iopl || s->vm86)) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - val = ldub(s->pc++); - gen_op_movl_T0_im(val); - gen_op_mov_TN_reg[ot][1][R_EAX](); - gen_op_out[ot](); - } - break; - case 0xec: - case 0xed: - if (s->pe && (s->cpl > s->iopl || s->vm86)) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); - gen_op_in[ot](); - gen_op_mov_reg_T1[ot][R_EAX](); - } - break; - case 0xee: - case 0xef: - if (s->pe && (s->cpl > s->iopl || s->vm86)) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if ((b & 1) == 0) - ot = OT_BYTE; - else - ot = dflag ? OT_LONG : OT_WORD; - gen_op_mov_TN_reg[OT_WORD][0][R_EDX](); - gen_op_mov_TN_reg[ot][1][R_EAX](); - gen_op_out[ot](); - } - break; - - /************************/ - /* control */ - case 0xc2: /* ret im */ - val = ldsw(s->pc); - s->pc += 2; - gen_pop_T0(s); - gen_stack_update(s, val + (2 << s->dflag)); - if (s->dflag == 0) - gen_op_andl_T0_ffff(); - gen_op_jmp_T0(); - gen_eob(s); - break; - case 0xc3: /* ret */ - gen_pop_T0(s); - gen_pop_update(s); - if (s->dflag == 0) - gen_op_andl_T0_ffff(); - gen_op_jmp_T0(); - gen_eob(s); - break; - case 0xca: /* lret im */ - val = ldsw(s->pc); - s->pc += 2; - do_lret: - if (s->pe && !s->vm86) { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(pc_start - s->cs_base); - gen_op_lret_protected(s->dflag, val); - } else { - gen_stack_A0(s); - /* pop offset */ - gen_op_ld_T0_A0[1 + s->dflag + s->mem_index](); - if (s->dflag == 0) - gen_op_andl_T0_ffff(); - /* NOTE: keeping EIP updated is not a problem in case of - exception */ - gen_op_jmp_T0(); - /* pop selector */ - gen_op_addl_A0_im(2 << s->dflag); - gen_op_ld_T0_A0[1 + s->dflag + s->mem_index](); - gen_op_movl_seg_T0_vm(offsetof(CPUX86State,segs[R_CS])); - /* add stack offset */ - gen_stack_update(s, val + (4 << s->dflag)); - } - gen_eob(s); - break; - case 0xcb: /* lret */ - val = 0; - goto do_lret; - case 0xcf: /* iret */ - if (!s->pe) { - /* real mode */ - gen_op_iret_real(s->dflag); - s->cc_op = CC_OP_EFLAGS; - } else if (s->vm86 && s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(pc_start - s->cs_base); - gen_op_iret_protected(s->dflag); - s->cc_op = CC_OP_EFLAGS; - } - gen_eob(s); - break; - case 0xe8: /* call im */ - { - unsigned int next_eip; - ot = dflag ? OT_LONG : OT_WORD; - val = insn_get(s, ot); - next_eip = s->pc - s->cs_base; - val += next_eip; - if (s->dflag == 0) - val &= 0xffff; - gen_op_movl_T0_im(next_eip); - gen_push_T0(s); - gen_jmp(s, val); - } - break; - case 0x9a: /* lcall im */ - { - unsigned int selector, offset; - - ot = dflag ? OT_LONG : OT_WORD; - offset = insn_get(s, ot); - selector = insn_get(s, OT_WORD); - - gen_op_movl_T0_im(selector); - gen_op_movl_T1_im(offset); - } - goto do_lcall; - case 0xe9: /* jmp */ - ot = dflag ? OT_LONG : OT_WORD; - val = insn_get(s, ot); - val += s->pc - s->cs_base; - if (s->dflag == 0) - val = val & 0xffff; - gen_jmp(s, val); - break; - case 0xea: /* ljmp im */ - { - unsigned int selector, offset; - - ot = dflag ? OT_LONG : OT_WORD; - offset = insn_get(s, ot); - selector = insn_get(s, OT_WORD); - - gen_op_movl_T0_im(selector); - gen_op_movl_T1_im(offset); - } - goto do_ljmp; - case 0xeb: /* jmp Jb */ - val = (int8_t)insn_get(s, OT_BYTE); - val += s->pc - s->cs_base; - if (s->dflag == 0) - val = val & 0xffff; - gen_jmp(s, val); - break; - case 0x70 ... 0x7f: /* jcc Jb */ - val = (int8_t)insn_get(s, OT_BYTE); - goto do_jcc; - case 0x180 ... 0x18f: /* jcc Jv */ - if (dflag) { - val = insn_get(s, OT_LONG); - } else { - val = (int16_t)insn_get(s, OT_WORD); - } - do_jcc: - next_eip = s->pc - s->cs_base; - val += next_eip; - if (s->dflag == 0) - val &= 0xffff; - gen_jcc(s, b, val, next_eip); - break; - - case 0x190 ... 0x19f: /* setcc Gv */ - modrm = ldub(s->pc++); - gen_setcc(s, b); - gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1); - break; - case 0x140 ... 0x14f: /* cmov Gv, Ev */ - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - gen_setcc(s, b); - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T1_A0[ot + s->mem_index](); - } else { - rm = modrm & 7; - gen_op_mov_TN_reg[ot][1][rm](); - } - gen_op_cmov_reg_T1_T0[ot - OT_WORD][reg](); - break; - - /************************/ - /* flags */ - case 0x9c: /* pushf */ - if (s->vm86 && s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_movl_T0_eflags(); - gen_push_T0(s); - } - break; - case 0x9d: /* popf */ - if (s->vm86 && s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - gen_pop_T0(s); - if (s->cpl == 0) { - if (s->dflag) { - gen_op_movl_eflags_T0_cpl0(); - } else { - gen_op_movw_eflags_T0_cpl0(); - } - } else { - if (s->dflag) { - gen_op_movl_eflags_T0(); - } else { - gen_op_movw_eflags_T0(); - } - } - gen_pop_update(s); - s->cc_op = CC_OP_EFLAGS; - /* abort translation because TF flag may change */ - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } - break; - case 0x9e: /* sahf */ - gen_op_mov_TN_reg[OT_BYTE][0][R_AH](); - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_movb_eflags_T0(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x9f: /* lahf */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_movl_T0_eflags(); - gen_op_mov_reg_T0[OT_BYTE][R_AH](); - break; - case 0xf5: /* cmc */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_cmc(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0xf8: /* clc */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_clc(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0xf9: /* stc */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_stc(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0xfc: /* cld */ - gen_op_cld(); - break; - case 0xfd: /* std */ - gen_op_std(); - break; - - /************************/ - /* bit operations */ - case 0x1ba: /* bt/bts/btr/btc Gv, im */ - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - op = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - rm = modrm & 7; - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_TN_reg[ot][0][rm](); - } - /* load shift */ - val = ldub(s->pc++); - gen_op_movl_T1_im(val); - if (op < 4) - goto illegal_op; - op -= 4; - gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); - s->cc_op = CC_OP_SARB + ot; - if (op != 0) { - if (mod != 3) - gen_op_st_T0_A0[ot + s->mem_index](); - else - gen_op_mov_reg_T0[ot][rm](); - gen_op_update_bt_cc(); - } - break; - case 0x1a3: /* bt Gv, Ev */ - op = 0; - goto do_btx; - case 0x1ab: /* bts */ - op = 1; - goto do_btx; - case 0x1b3: /* btr */ - op = 2; - goto do_btx; - case 0x1bb: /* btc */ - op = 3; - do_btx: - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - rm = modrm & 7; - gen_op_mov_TN_reg[OT_LONG][1][reg](); - if (mod != 3) { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - /* specific case: we need to add a displacement */ - if (ot == OT_WORD) - gen_op_add_bitw_A0_T1(); - else - gen_op_add_bitl_A0_T1(); - gen_op_ld_T0_A0[ot + s->mem_index](); - } else { - gen_op_mov_TN_reg[ot][0][rm](); - } - gen_op_btx_T0_T1_cc[ot - OT_WORD][op](); - s->cc_op = CC_OP_SARB + ot; - if (op != 0) { - if (mod != 3) - gen_op_st_T0_A0[ot + s->mem_index](); - else - gen_op_mov_reg_T0[ot][rm](); - gen_op_update_bt_cc(); - } - break; - case 0x1bc: /* bsf */ - case 0x1bd: /* bsr */ - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); - gen_op_bsx_T0_cc[ot - OT_WORD][b & 1](); - /* NOTE: we always write back the result. Intel doc says it is - undefined if T0 == 0 */ - gen_op_mov_reg_T0[ot][reg](); - s->cc_op = CC_OP_LOGICB + ot; - break; - /************************/ - /* bcd */ - case 0x27: /* daa */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_daa(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x2f: /* das */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_das(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x37: /* aaa */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_aaa(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0x3f: /* aas */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_aas(); - s->cc_op = CC_OP_EFLAGS; - break; - case 0xd4: /* aam */ - val = ldub(s->pc++); - gen_op_aam(val); - s->cc_op = CC_OP_LOGICB; - break; - case 0xd5: /* aad */ - val = ldub(s->pc++); - gen_op_aad(val); - s->cc_op = CC_OP_LOGICB; - break; - /************************/ - /* misc */ - case 0x90: /* nop */ - break; - case 0x9b: /* fwait */ - break; - case 0xcc: /* int3 */ - gen_interrupt(s, EXCP03_INT3, pc_start - s->cs_base, s->pc - s->cs_base); - break; - case 0xcd: /* int N */ - val = ldub(s->pc++); - /* XXX: add error code for vm86 GPF */ - if (!s->vm86) - gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base); - else - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - break; - case 0xce: /* into */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_into(s->pc - s->cs_base); - break; - case 0xf1: /* icebp (undocumented, exits to external debugger) */ - gen_debug(s, pc_start - s->cs_base); - break; - case 0xfa: /* cli */ - if (!s->vm86) { - if (s->cpl <= s->iopl) { - gen_op_cli(); - } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } - } else { - if (s->iopl == 3) { - gen_op_cli(); - } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } - } - break; - case 0xfb: /* sti */ - if (!s->vm86) { - if (s->cpl <= s->iopl) { - gen_sti: - gen_op_sti(); - /* interruptions are enabled only the first insn after sti */ - gen_op_set_inhibit_irq(); - /* give a chance to handle pending irqs */ - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } - } else { - if (s->iopl == 3) { - goto gen_sti; - } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } - } - break; - case 0x62: /* bound */ - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - mod = (modrm >> 6) & 3; - if (mod == 3) - goto illegal_op; - gen_op_mov_reg_T0[ot][reg](); - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - if (ot == OT_WORD) - gen_op_boundw(pc_start - s->cs_base); - else - gen_op_boundl(pc_start - s->cs_base); - break; - case 0x1c8 ... 0x1cf: /* bswap reg */ - reg = b & 7; - gen_op_mov_TN_reg[OT_LONG][0][reg](); - gen_op_bswapl_T0(); - gen_op_mov_reg_T0[OT_LONG][reg](); - break; - case 0xd6: /* salc */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_salc(); - break; - case 0xe0: /* loopnz */ - case 0xe1: /* loopz */ - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - /* FALL THRU */ - case 0xe2: /* loop */ - case 0xe3: /* jecxz */ - val = (int8_t)insn_get(s, OT_BYTE); - next_eip = s->pc - s->cs_base; - val += next_eip; - if (s->dflag == 0) - val &= 0xffff; - gen_op_loop[s->aflag][b & 3](val, next_eip); - gen_eob(s); - break; - case 0x130: /* wrmsr */ - case 0x132: /* rdmsr */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if (b & 2) - gen_op_rdmsr(); - else - gen_op_wrmsr(); - } - break; - case 0x131: /* rdtsc */ - gen_op_rdtsc(); - break; - case 0x1a2: /* cpuid */ - gen_op_cpuid(); - break; - case 0xf4: /* hlt */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - gen_op_jmp_im(s->pc - s->cs_base); - gen_op_hlt(); - s->is_jmp = 3; - } - break; - case 0x100: - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - op = (modrm >> 3) & 7; - switch(op) { - case 0: /* sldt */ - gen_op_movl_T0_env(offsetof(CPUX86State,ldt.selector)); - ot = OT_WORD; - if (mod == 3) - ot += s->dflag; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); - break; - case 2: /* lldt */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); - gen_op_jmp_im(pc_start - s->cs_base); - gen_op_lldt_T0(); - } - break; - case 1: /* str */ - gen_op_movl_T0_env(offsetof(CPUX86State,tr.selector)); - ot = OT_WORD; - if (mod == 3) - ot += s->dflag; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1); - break; - case 3: /* ltr */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); - gen_op_jmp_im(pc_start - s->cs_base); - gen_op_ltr_T0(); - } - break; - case 4: /* verr */ - case 5: /* verw */ - default: - goto illegal_op; - } - break; - case 0x101: - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - op = (modrm >> 3) & 7; - switch(op) { - case 0: /* sgdt */ - case 1: /* sidt */ - if (mod == 3) - goto illegal_op; - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - if (op == 0) - gen_op_movl_T0_env(offsetof(CPUX86State,gdt.limit)); - else - gen_op_movl_T0_env(offsetof(CPUX86State,idt.limit)); - gen_op_st_T0_A0[OT_WORD + s->mem_index](); - gen_op_addl_A0_im(2); - if (op == 0) - gen_op_movl_T0_env(offsetof(CPUX86State,gdt.base)); - else - gen_op_movl_T0_env(offsetof(CPUX86State,idt.base)); - if (!s->dflag) - gen_op_andl_T0_im(0xffffff); - gen_op_st_T0_A0[OT_LONG + s->mem_index](); - break; - case 2: /* lgdt */ - case 3: /* lidt */ - if (mod == 3) - goto illegal_op; - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_ld_T1_A0[OT_WORD + s->mem_index](); - gen_op_addl_A0_im(2); - gen_op_ld_T0_A0[OT_LONG + s->mem_index](); - if (!s->dflag) - gen_op_andl_T0_im(0xffffff); - if (op == 2) { - gen_op_movl_env_T0(offsetof(CPUX86State,gdt.base)); - gen_op_movl_env_T1(offsetof(CPUX86State,gdt.limit)); - } else { - gen_op_movl_env_T0(offsetof(CPUX86State,idt.base)); - gen_op_movl_env_T1(offsetof(CPUX86State,idt.limit)); - } - } - break; - case 4: /* smsw */ - gen_op_movl_T0_env(offsetof(CPUX86State,cr[0])); - gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 1); - break; - case 6: /* lmsw */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0); - gen_op_lmsw_T0(); - } - break; - case 7: /* invlpg */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - if (mod == 3) - goto illegal_op; - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - gen_op_invlpg_A0(); - } - break; - default: - goto illegal_op; - } - break; - case 0x102: /* lar */ - case 0x103: /* lsl */ - if (!s->pe || s->vm86) - goto illegal_op; - ot = dflag ? OT_LONG : OT_WORD; - modrm = ldub(s->pc++); - reg = (modrm >> 3) & 7; - gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0); - gen_op_mov_TN_reg[ot][1][reg](); - if (s->cc_op != CC_OP_DYNAMIC) - gen_op_set_cc_op(s->cc_op); - if (b == 0x102) - gen_op_lar(); - else - gen_op_lsl(); - s->cc_op = CC_OP_EFLAGS; - gen_op_mov_reg_T1[ot][reg](); - break; - case 0x118: - modrm = ldub(s->pc++); - mod = (modrm >> 6) & 3; - op = (modrm >> 3) & 7; - switch(op) { - case 0: /* prefetchnta */ - case 1: /* prefetchnt0 */ - case 2: /* prefetchnt0 */ - case 3: /* prefetchnt0 */ - if (mod == 3) - goto illegal_op; - gen_lea_modrm(s, modrm, ®_addr, &offset_addr); - /* nothing more to do */ - break; - default: - goto illegal_op; - } - break; - case 0x120: /* mov reg, crN */ - case 0x122: /* mov crN, reg */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - modrm = ldub(s->pc++); - if ((modrm & 0xc0) != 0xc0) - goto illegal_op; - rm = modrm & 7; - reg = (modrm >> 3) & 7; - switch(reg) { - case 0: - case 2: - case 3: - case 4: - if (b & 2) { - gen_op_mov_TN_reg[OT_LONG][0][rm](); - gen_op_movl_crN_T0(reg); - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } else { - gen_op_movl_T0_env(offsetof(CPUX86State,cr[reg])); - gen_op_mov_reg_T0[OT_LONG][rm](); - } - break; - default: - goto illegal_op; - } - } - break; - case 0x121: /* mov reg, drN */ - case 0x123: /* mov drN, reg */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - modrm = ldub(s->pc++); - if ((modrm & 0xc0) != 0xc0) - goto illegal_op; - rm = modrm & 7; - reg = (modrm >> 3) & 7; - /* XXX: do it dynamically with CR4.DE bit */ - if (reg == 4 || reg == 5) - goto illegal_op; - if (b & 2) { - gen_op_mov_TN_reg[OT_LONG][0][rm](); - gen_op_movl_drN_T0(reg); - gen_op_jmp_im(s->pc - s->cs_base); - gen_eob(s); - } else { - gen_op_movl_T0_env(offsetof(CPUX86State,dr[reg])); - gen_op_mov_reg_T0[OT_LONG][rm](); - } - } - break; - case 0x106: /* clts */ - if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); - } else { - gen_op_clts(); - } - break; - default: - goto illegal_op; - } - /* lock generation */ - if (s->prefix & PREFIX_LOCK) - gen_op_unlock(); - return s->pc; - illegal_op: - /* XXX: ensure that no lock was generated */ - gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); - return s->pc; -} - -#define CC_OSZAPC (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C) -#define CC_OSZAP (CC_O | CC_S | CC_Z | CC_A | CC_P) - -/* flags read by an operation */ -static uint16_t opc_read_flags[NB_OPS] = { - [INDEX_op_aas] = CC_A, - [INDEX_op_aaa] = CC_A, - [INDEX_op_das] = CC_A | CC_C, - [INDEX_op_daa] = CC_A | CC_C, - - [INDEX_op_adcb_T0_T1_cc] = CC_C, - [INDEX_op_adcw_T0_T1_cc] = CC_C, - [INDEX_op_adcl_T0_T1_cc] = CC_C, - [INDEX_op_sbbb_T0_T1_cc] = CC_C, - [INDEX_op_sbbw_T0_T1_cc] = CC_C, - [INDEX_op_sbbl_T0_T1_cc] = CC_C, - - [INDEX_op_adcb_mem_T0_T1_cc] = CC_C, - [INDEX_op_adcw_mem_T0_T1_cc] = CC_C, - [INDEX_op_adcl_mem_T0_T1_cc] = CC_C, - [INDEX_op_sbbb_mem_T0_T1_cc] = CC_C, - [INDEX_op_sbbw_mem_T0_T1_cc] = CC_C, - [INDEX_op_sbbl_mem_T0_T1_cc] = CC_C, - - /* subtle: due to the incl/decl implementation, C is used */ - [INDEX_op_update_inc_cc] = CC_C, - - [INDEX_op_into] = CC_O, - - [INDEX_op_jb_subb] = CC_C, - [INDEX_op_jb_subw] = CC_C, - [INDEX_op_jb_subl] = CC_C, - - [INDEX_op_jz_subb] = CC_Z, - [INDEX_op_jz_subw] = CC_Z, - [INDEX_op_jz_subl] = CC_Z, - - [INDEX_op_jbe_subb] = CC_Z | CC_C, - [INDEX_op_jbe_subw] = CC_Z | CC_C, - [INDEX_op_jbe_subl] = CC_Z | CC_C, - - [INDEX_op_js_subb] = CC_S, - [INDEX_op_js_subw] = CC_S, - [INDEX_op_js_subl] = CC_S, - - [INDEX_op_jl_subb] = CC_O | CC_S, - [INDEX_op_jl_subw] = CC_O | CC_S, - [INDEX_op_jl_subl] = CC_O | CC_S, - - [INDEX_op_jle_subb] = CC_O | CC_S | CC_Z, - [INDEX_op_jle_subw] = CC_O | CC_S | CC_Z, - [INDEX_op_jle_subl] = CC_O | CC_S | CC_Z, - - [INDEX_op_loopnzw] = CC_Z, - [INDEX_op_loopnzl] = CC_Z, - [INDEX_op_loopzw] = CC_Z, - [INDEX_op_loopzl] = CC_Z, - - [INDEX_op_seto_T0_cc] = CC_O, - [INDEX_op_setb_T0_cc] = CC_C, - [INDEX_op_setz_T0_cc] = CC_Z, - [INDEX_op_setbe_T0_cc] = CC_Z | CC_C, - [INDEX_op_sets_T0_cc] = CC_S, - [INDEX_op_setp_T0_cc] = CC_P, - [INDEX_op_setl_T0_cc] = CC_O | CC_S, - [INDEX_op_setle_T0_cc] = CC_O | CC_S | CC_Z, - - [INDEX_op_setb_T0_subb] = CC_C, - [INDEX_op_setb_T0_subw] = CC_C, - [INDEX_op_setb_T0_subl] = CC_C, - - [INDEX_op_setz_T0_subb] = CC_Z, - [INDEX_op_setz_T0_subw] = CC_Z, - [INDEX_op_setz_T0_subl] = CC_Z, - - [INDEX_op_setbe_T0_subb] = CC_Z | CC_C, - [INDEX_op_setbe_T0_subw] = CC_Z | CC_C, - [INDEX_op_setbe_T0_subl] = CC_Z | CC_C, - - [INDEX_op_sets_T0_subb] = CC_S, - [INDEX_op_sets_T0_subw] = CC_S, - [INDEX_op_sets_T0_subl] = CC_S, - - [INDEX_op_setl_T0_subb] = CC_O | CC_S, - [INDEX_op_setl_T0_subw] = CC_O | CC_S, - [INDEX_op_setl_T0_subl] = CC_O | CC_S, - - [INDEX_op_setle_T0_subb] = CC_O | CC_S | CC_Z, - [INDEX_op_setle_T0_subw] = CC_O | CC_S | CC_Z, - [INDEX_op_setle_T0_subl] = CC_O | CC_S | CC_Z, - - [INDEX_op_movl_T0_eflags] = CC_OSZAPC, - [INDEX_op_cmc] = CC_C, - [INDEX_op_salc] = CC_C, - - [INDEX_op_rclb_T0_T1_cc] = CC_C, - [INDEX_op_rclw_T0_T1_cc] = CC_C, - [INDEX_op_rcll_T0_T1_cc] = CC_C, - [INDEX_op_rcrb_T0_T1_cc] = CC_C, - [INDEX_op_rcrw_T0_T1_cc] = CC_C, - [INDEX_op_rcrl_T0_T1_cc] = CC_C, - - [INDEX_op_rclb_mem_T0_T1_cc] = CC_C, - [INDEX_op_rclw_mem_T0_T1_cc] = CC_C, - [INDEX_op_rcll_mem_T0_T1_cc] = CC_C, - [INDEX_op_rcrb_mem_T0_T1_cc] = CC_C, - [INDEX_op_rcrw_mem_T0_T1_cc] = CC_C, - [INDEX_op_rcrl_mem_T0_T1_cc] = CC_C, -}; - -/* flags written by an operation */ -static uint16_t opc_write_flags[NB_OPS] = { - [INDEX_op_update2_cc] = CC_OSZAPC, - [INDEX_op_update1_cc] = CC_OSZAPC, - [INDEX_op_cmpl_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_update_neg_cc] = CC_OSZAPC, - /* subtle: due to the incl/decl implementation, C is used */ - [INDEX_op_update_inc_cc] = CC_OSZAPC, - [INDEX_op_testl_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_adcb_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_adcw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_adcl_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sbbb_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sbbw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sbbl_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_adcb_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_adcw_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_adcl_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sbbb_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sbbw_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sbbl_mem_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_mulb_AL_T0] = CC_OSZAPC, - [INDEX_op_imulb_AL_T0] = CC_OSZAPC, - [INDEX_op_mulw_AX_T0] = CC_OSZAPC, - [INDEX_op_imulw_AX_T0] = CC_OSZAPC, - [INDEX_op_mull_EAX_T0] = CC_OSZAPC, - [INDEX_op_imull_EAX_T0] = CC_OSZAPC, - [INDEX_op_imulw_T0_T1] = CC_OSZAPC, - [INDEX_op_imull_T0_T1] = CC_OSZAPC, - - /* bcd */ - [INDEX_op_aam] = CC_OSZAPC, - [INDEX_op_aad] = CC_OSZAPC, - [INDEX_op_aas] = CC_OSZAPC, - [INDEX_op_aaa] = CC_OSZAPC, - [INDEX_op_das] = CC_OSZAPC, - [INDEX_op_daa] = CC_OSZAPC, - - [INDEX_op_movb_eflags_T0] = CC_S | CC_Z | CC_A | CC_P | CC_C, - [INDEX_op_movw_eflags_T0] = CC_OSZAPC, - [INDEX_op_movl_eflags_T0] = CC_OSZAPC, - [INDEX_op_clc] = CC_C, - [INDEX_op_stc] = CC_C, - [INDEX_op_cmc] = CC_C, - - [INDEX_op_rolb_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rolw_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_roll_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rorb_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rorw_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rorl_T0_T1_cc] = CC_O | CC_C, - - [INDEX_op_rclb_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rclw_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcll_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcrb_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcrw_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcrl_T0_T1_cc] = CC_O | CC_C, - - [INDEX_op_shlb_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shlw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shll_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_shrb_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shrw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shrl_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_sarb_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sarw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sarl_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_shldw_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shldl_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shldw_T0_T1_im_cc] = CC_OSZAPC, - [INDEX_op_shldl_T0_T1_im_cc] = CC_OSZAPC, - - [INDEX_op_shrdw_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shrdl_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shrdw_T0_T1_im_cc] = CC_OSZAPC, - [INDEX_op_shrdl_T0_T1_im_cc] = CC_OSZAPC, - - [INDEX_op_rolb_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rolw_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_roll_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rorb_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rorw_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rorl_mem_T0_T1_cc] = CC_O | CC_C, - - [INDEX_op_rclb_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rclw_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcll_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcrb_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcrw_mem_T0_T1_cc] = CC_O | CC_C, - [INDEX_op_rcrl_mem_T0_T1_cc] = CC_O | CC_C, - - [INDEX_op_shlb_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shlw_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shll_mem_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_shrb_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shrw_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_shrl_mem_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_sarb_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sarw_mem_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_sarl_mem_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_shldw_mem_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shldl_mem_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shldw_mem_T0_T1_im_cc] = CC_OSZAPC, - [INDEX_op_shldl_mem_T0_T1_im_cc] = CC_OSZAPC, - - [INDEX_op_shrdw_mem_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shrdl_mem_T0_T1_ECX_cc] = CC_OSZAPC, - [INDEX_op_shrdw_mem_T0_T1_im_cc] = CC_OSZAPC, - [INDEX_op_shrdl_mem_T0_T1_im_cc] = CC_OSZAPC, - - [INDEX_op_btw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btl_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btsw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btsl_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btrw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btrl_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btcw_T0_T1_cc] = CC_OSZAPC, - [INDEX_op_btcl_T0_T1_cc] = CC_OSZAPC, - - [INDEX_op_bsfw_T0_cc] = CC_OSZAPC, - [INDEX_op_bsfl_T0_cc] = CC_OSZAPC, - [INDEX_op_bsrw_T0_cc] = CC_OSZAPC, - [INDEX_op_bsrl_T0_cc] = CC_OSZAPC, - - [INDEX_op_cmpxchgb_T0_T1_EAX_cc] = CC_OSZAPC, - [INDEX_op_cmpxchgw_T0_T1_EAX_cc] = CC_OSZAPC, - [INDEX_op_cmpxchgl_T0_T1_EAX_cc] = CC_OSZAPC, - - [INDEX_op_cmpxchgb_mem_T0_T1_EAX_cc] = CC_OSZAPC, - [INDEX_op_cmpxchgw_mem_T0_T1_EAX_cc] = CC_OSZAPC, - [INDEX_op_cmpxchgl_mem_T0_T1_EAX_cc] = CC_OSZAPC, - - [INDEX_op_cmpxchg8b] = CC_Z, - [INDEX_op_lar] = CC_Z, - [INDEX_op_lsl] = CC_Z, - [INDEX_op_fcomi_ST0_FT0] = CC_Z | CC_P | CC_C, - [INDEX_op_fucomi_ST0_FT0] = CC_Z | CC_P | CC_C, -}; - -/* simpler form of an operation if no flags need to be generated */ -static uint16_t opc_simpler[NB_OPS] = { - [INDEX_op_update2_cc] = INDEX_op_nop, - [INDEX_op_update1_cc] = INDEX_op_nop, - [INDEX_op_update_neg_cc] = INDEX_op_nop, -#if 0 - /* broken: CC_OP logic must be rewritten */ - [INDEX_op_update_inc_cc] = INDEX_op_nop, -#endif - [INDEX_op_rolb_T0_T1_cc] = INDEX_op_rolb_T0_T1, - [INDEX_op_rolw_T0_T1_cc] = INDEX_op_rolw_T0_T1, - [INDEX_op_roll_T0_T1_cc] = INDEX_op_roll_T0_T1, - - [INDEX_op_rorb_T0_T1_cc] = INDEX_op_rorb_T0_T1, - [INDEX_op_rorw_T0_T1_cc] = INDEX_op_rorw_T0_T1, - [INDEX_op_rorl_T0_T1_cc] = INDEX_op_rorl_T0_T1, - - [INDEX_op_rolb_mem_T0_T1_cc] = INDEX_op_rolb_mem_T0_T1, - [INDEX_op_rolw_mem_T0_T1_cc] = INDEX_op_rolw_mem_T0_T1, - [INDEX_op_roll_mem_T0_T1_cc] = INDEX_op_roll_mem_T0_T1, - - [INDEX_op_rorb_mem_T0_T1_cc] = INDEX_op_rorb_mem_T0_T1, - [INDEX_op_rorw_mem_T0_T1_cc] = INDEX_op_rorw_mem_T0_T1, - [INDEX_op_rorl_mem_T0_T1_cc] = INDEX_op_rorl_mem_T0_T1, - - [INDEX_op_shlb_T0_T1_cc] = INDEX_op_shlb_T0_T1, - [INDEX_op_shlw_T0_T1_cc] = INDEX_op_shlw_T0_T1, - [INDEX_op_shll_T0_T1_cc] = INDEX_op_shll_T0_T1, - - [INDEX_op_shrb_T0_T1_cc] = INDEX_op_shrb_T0_T1, - [INDEX_op_shrw_T0_T1_cc] = INDEX_op_shrw_T0_T1, - [INDEX_op_shrl_T0_T1_cc] = INDEX_op_shrl_T0_T1, - - [INDEX_op_sarb_T0_T1_cc] = INDEX_op_sarb_T0_T1, - [INDEX_op_sarw_T0_T1_cc] = INDEX_op_sarw_T0_T1, - [INDEX_op_sarl_T0_T1_cc] = INDEX_op_sarl_T0_T1, -}; - -void optimize_flags_init(void) -{ - int i; - /* put default values in arrays */ - for(i = 0; i < NB_OPS; i++) { - if (opc_simpler[i] == 0) - opc_simpler[i] = i; - } -} - -/* CPU flags computation optimization: we move backward thru the - generated code to see which flags are needed. The operation is - modified if suitable */ -static void optimize_flags(uint16_t *opc_buf, int opc_buf_len) -{ - uint16_t *opc_ptr; - int live_flags, write_flags, op; - - opc_ptr = opc_buf + opc_buf_len; - /* live_flags contains the flags needed by the next instructions - in the code. At the end of the bloc, we consider that all the - flags are live. */ - live_flags = CC_OSZAPC; - while (opc_ptr > opc_buf) { - op = *--opc_ptr; - /* if none of the flags written by the instruction is used, - then we can try to find a simpler instruction */ - write_flags = opc_write_flags[op]; - if ((live_flags & write_flags) == 0) { - *opc_ptr = opc_simpler[op]; - } - /* compute the live flags before the instruction */ - live_flags &= ~write_flags; - live_flags |= opc_read_flags[op]; - } -} - -/* generate intermediate code in gen_opc_buf and gen_opparam_buf for - basic block 'tb'. If search_pc is TRUE, also generate PC - information for each intermediate instruction. */ -static inline int gen_intermediate_code_internal(CPUState *env, - TranslationBlock *tb, - int search_pc) -{ - DisasContext dc1, *dc = &dc1; - uint8_t *pc_ptr; - uint16_t *gen_opc_end; - int flags, j, lj; - uint8_t *pc_start; - uint8_t *cs_base; - - /* generate intermediate code */ - pc_start = (uint8_t *)tb->pc; - cs_base = (uint8_t *)tb->cs_base; - flags = tb->flags; - - dc->pe = env->cr[0] & CR0_PE_MASK; - dc->code32 = (flags >> HF_CS32_SHIFT) & 1; - dc->ss32 = (flags >> HF_SS32_SHIFT) & 1; - dc->addseg = (flags >> HF_ADDSEG_SHIFT) & 1; - dc->f_st = 0; - dc->vm86 = (flags >> VM_SHIFT) & 1; - dc->cpl = (flags >> HF_CPL_SHIFT) & 3; - dc->iopl = (flags >> IOPL_SHIFT) & 3; - dc->tf = (flags >> TF_SHIFT) & 1; - dc->cc_op = CC_OP_DYNAMIC; - dc->cs_base = cs_base; - dc->tb = tb; - dc->popl_esp_hack = 0; - /* select memory access functions */ - dc->mem_index = 0; - if (flags & HF_SOFTMMU_MASK) { - if (dc->cpl == 3) - dc->mem_index = 6; - else - dc->mem_index = 3; - } - dc->jmp_opt = !(dc->tf || env->singlestep_enabled -#ifndef CONFIG_SOFT_MMU - || (flags & HF_SOFTMMU_MASK) -#endif - ); - gen_opc_ptr = gen_opc_buf; - gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; - gen_opparam_ptr = gen_opparam_buf; - - dc->is_jmp = DISAS_NEXT; - pc_ptr = pc_start; - lj = -1; - - /* if irq were inhibited for the next instruction, we can disable - them here as it is simpler (otherwise jumps would have to - handled as special case) */ - if (flags & HF_INHIBIT_IRQ_MASK) { - gen_op_reset_inhibit_irq(); - } - for(;;) { - if (env->nb_breakpoints > 0) { - for(j = 0; j < env->nb_breakpoints; j++) { - if (env->breakpoints[j] == (unsigned long)pc_ptr) { - gen_debug(dc, pc_ptr - dc->cs_base); - break; - } - } - } - if (search_pc) { - j = gen_opc_ptr - gen_opc_buf; - if (lj < j) { - lj++; - while (lj < j) - gen_opc_instr_start[lj++] = 0; - } - gen_opc_pc[lj] = (uint32_t)pc_ptr; - gen_opc_cc_op[lj] = dc->cc_op; - gen_opc_instr_start[lj] = 1; - } - pc_ptr = disas_insn(dc, pc_ptr); - /* stop translation if indicated */ - if (dc->is_jmp) - break; - /* if single step mode, we generate only one instruction and - generate an exception */ - if (dc->tf) { - gen_op_jmp_im(pc_ptr - dc->cs_base); - gen_eob(dc); - break; - } - /* if too long translation, stop generation too */ - if (gen_opc_ptr >= gen_opc_end || - (pc_ptr - pc_start) >= (TARGET_PAGE_SIZE - 32)) { - gen_op_jmp_im(pc_ptr - dc->cs_base); - gen_eob(dc); - break; - } - } - *gen_opc_ptr = INDEX_op_end; - /* we don't forget to fill the last values */ - if (search_pc) { - j = gen_opc_ptr - gen_opc_buf; - lj++; - while (lj <= j) - gen_opc_instr_start[lj++] = 0; - } - -#ifdef DEBUG_DISAS - if (loglevel) { - fprintf(logfile, "----------------\n"); - fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); - disas(logfile, pc_start, pc_ptr - pc_start, 0, !dc->code32); - fprintf(logfile, "\n"); - - fprintf(logfile, "OP:\n"); - dump_ops(gen_opc_buf, gen_opparam_buf); - fprintf(logfile, "\n"); - } -#endif - - /* optimize flag computations */ - optimize_flags(gen_opc_buf, gen_opc_ptr - gen_opc_buf); - -#ifdef DEBUG_DISAS - if (loglevel) { - fprintf(logfile, "AFTER FLAGS OPT:\n"); - dump_ops(gen_opc_buf, gen_opparam_buf); - fprintf(logfile, "\n"); - } -#endif - if (!search_pc) - tb->size = pc_ptr - pc_start; - return 0; -} - -int gen_intermediate_code(CPUState *env, TranslationBlock *tb) -{ - return gen_intermediate_code_internal(env, tb, 0); -} - -int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb) -{ - return gen_intermediate_code_internal(env, tb, 1); -} - |