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/* $XFree86: xc/programs/Xserver/hw/xfree86/int10/xf86int10.h,v 1.5 2000/04/17 16:30:11 eich Exp $ */
/*
* XFree86 int10 module
* execute BIOS int 10h calls in x86 real mode environment
* Copyright 1999 Egbert Eich
*/
#ifndef _XF86INT10_H
#define _XF86INT10_H
#include "Xmd.h"
#include "Xdefs.h"
#define SEG_ADDR(x) ((x>>4) & 0xF000)
#define SEG_OFF(x) (x & 0xFFFF)
/* int10 info structure */
typedef struct {
int entityIndex;
int scrnIndex;
pointer cpuRegs;
CARD16 BIOSseg;
pointer private;
struct _int10Mem* mem;
int num;
int ax;
int bx;
int cx;
int dx;
int si;
int di;
int es;
int flags;
} xf86Int10InfoRec, *xf86Int10InfoPtr;
typedef struct _int10Mem {
CARD8(*rb)(xf86Int10InfoPtr,int);
CARD16(*rw)(xf86Int10InfoPtr,int);
CARD32(*rl)(xf86Int10InfoPtr,int);
void(*wb)(xf86Int10InfoPtr,int,CARD8);
void(*ww)(xf86Int10InfoPtr,int,CARD16);
void(*wl)(xf86Int10InfoPtr,int,CARD32);
} int10MemRec, *int10MemPtr;
typedef struct {
CARD8 save_msr;
CARD8 save_pos102;
CARD8 save_vse;
CARD8 save_46e8;
} legacyVGARec, *legacyVGAPtr;
/* OS dependent functions */
xf86Int10InfoPtr xf86InitInt10(int entityIndex);
void xf86FreeInt10(xf86Int10InfoPtr pInt);
void * xf86Int10AllocPages(xf86Int10InfoPtr pInt,int num, int *off);
void xf86Int10FreePages(xf86Int10InfoPtr pInt, void *pbase, int num);
pointer xf86int10Addr(xf86Int10InfoPtr pInt, CARD32 addr);
/* x86 executor related functions */
void xf86ExecX86int10(xf86Int10InfoPtr pInt);
#ifdef _INT10_PRIVATE
#define I_S_DEFAULT_INT_VECT 0xFF065
#define SYS_SIZE 0x100000
#define SYS_BIOS 0xF0000
#define BIOS_SIZE 0x10000
#define LOW_PAGE_SIZE 0x600
#define V_RAM 0xA0000
#define VRAM_SIZE 0x20000
#define V_BIOS_SIZE 0x10000
#define V_BIOS 0xC0000
#define HIGH_MEM V_BIOS
#define HIGH_MEM_SIZE (SYS_BIOS - HIGH_MEM)
#define X86_TF_MASK 0x00000100
#define X86_IF_MASK 0x00000200
#define X86_IOPL_MASK 0x00003000
#define X86_NT_MASK 0x00004000
#define X86_VM_MASK 0x00020000
#define X86_AC_MASK 0x00040000
#define X86_VIF_MASK 0x00080000 /* virtual interrupt flag */
#define X86_VIP_MASK 0x00100000 /* virtual interrupt pending */
#define X86_ID_MASK 0x00200000
#define MEM_RB(name,addr) name->mem->rb(name,addr)
#define MEM_RW(name,addr) name->mem->rw(name,addr)
#define MEM_RL(name,addr) name->mem->rl(name,addr)
#define MEM_WB(name,addr,val) name->mem->wb(name,addr,val)
#define MEM_WW(name,addr,val) name->mem->ww(name,addr,val)
#define MEM_WL(name,addr,val) name->mem->wl(name,addr,val)
/* OS dependent functions */
void MapCurrentInt10(xf86Int10InfoPtr pInt);
/* x86 executor related functions */
Bool xf86Int10ExecSetup(xf86Int10InfoPtr pInt);
/* int.c */
extern xf86Int10InfoPtr Int10Current;
int int_handler(xf86Int10InfoPtr pInt);
/* helper_exec.c */
void setup_int(xf86Int10InfoPtr pInt);
void finish_int(xf86Int10InfoPtr);
CARD32 getIntVect(xf86Int10InfoPtr pInt,int num);
int vm86_GP_fault(xf86Int10InfoPtr pInt);
void pushw(xf86Int10InfoPtr pInt, CARD16 val);
int run_bios_int(int num, xf86Int10InfoPtr pInt);
void dump_code(xf86Int10InfoPtr pInt);
void dump_registers(xf86Int10InfoPtr pInt);
void stack_trace(xf86Int10InfoPtr pInt);
xf86Int10InfoPtr getInt10Rec(int entityIndex);
void LockLegacyVGA(int screenIndex,legacyVGAPtr vga);
void UnlockLegacyVGA(int screenIndex, legacyVGAPtr vga);
int port_rep_inb(xf86Int10InfoPtr pInt,
CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_inw(xf86Int10InfoPtr pInt,
CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_inl(xf86Int10InfoPtr pInt,
CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_outb(xf86Int10InfoPtr pInt,
CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_outw(xf86Int10InfoPtr pInt,
CARD16 port, CARD32 base, int d_f, CARD32 count);
int port_rep_outl(xf86Int10InfoPtr pInt,
CARD16 port, CARD32 base, int d_f, CARD32 count);
CARD8 x_inb(CARD16 port);
CARD16 x_inw(CARD16 port);
void x_outb(CARD16 port, CARD8 val);
void x_outw(CARD16 port, CARD16 val);
CARD32 x_inl(CARD16 port);
void x_outl(CARD16 port, CARD32 val);
#ifndef _INT10_NO_INOUT_MACROS
#if defined(PRINT_PORT) || !defined(_PC)
# define p_inb x_inb
# define p_inw x_inw
# define p_outb x_outb
# define p_outw x_outw
# define p_inl x_inl
# define p_outl x_outl
#else
# define p_inb inb
# define p_inw inw
# define p_outb outb
# define p_outw outw
# define p_inl inl
# define p_outl outl
#endif
#endif
CARD8 Mem_rb(int addr);
CARD16 Mem_rw(int addr);
CARD32 Mem_rl(int addr);
void Mem_wb(int addr,CARD8 val);
void Mem_ww(int addr,CARD16 val);
void Mem_wl(int addr,CARD32 val);
/* helper_mem.c */
void setup_int_vect(xf86Int10InfoPtr pInt);
int setup_system_bios(unsigned long base_addr);
void reset_int_vect(xf86Int10InfoPtr pInt);
void set_return_trap(xf86Int10InfoPtr pInt);
Bool int10skip(ScrnInfoPtr pScrn, int entityIndex);
Bool int10_read_bios(int scrnIndex, int codeSeg, unsigned char* vbiosMem);
#ifdef DEBUG
void dprint(unsigned long start, unsigned long size);
#endif
/* pci.c */
int mapPciRom(xf86Int10InfoPtr pInt, unsigned char * address);
#endif /* _INT10_PRIVATE */
#endif /* _XF86INT10_H */
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