/* $XFree86: xc/programs/Xserver/hw/xfree86/common/compiler.h,v 3.106 2004/02/02 03:55:28 dawes Exp $ */ /* * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Thomas Roell not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Thomas Roell makes no representations * about the suitability of this software for any purpose. It is provided * "as is" without express or implied warranty. * * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. * */ /* * Copyright (c) 1994-2003 by The XFree86 Project, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of the copyright holder(s) * and author(s) shall not be used in advertising or otherwise to promote * the sale, use or other dealings in this Software without prior written * authorization from the copyright holder(s) and author(s). */ /* $XConsortium: compiler.h /main/16 1996/10/25 15:38:34 kaleb $ */ #ifndef _COMPILER_H # if !defined(_XF86_ANSIC_H) && defined(XFree86Module) # error missing #include "xf86_ansic.h" before #include "compiler.h" # endif # define _COMPILER_H #if defined(__SUNPRO_C) # define DO_PROTOTYPES #endif /* Allow drivers to use the GCC-supported __inline__ and/or __inline. */ # ifndef __inline__ # if defined(__GNUC__) /* gcc has __inline__ */ # elif defined(__HIGHC__) # define __inline__ _Inline # else # define __inline__ /**/ # endif # endif /* __inline__ */ # ifndef __inline # if defined(__GNUC__) /* gcc has __inline */ # elif defined(__HIGHC__) # define __inline _Inline # else # define __inline /**/ # endif # endif /* __inline */ # if defined(IODEBUG) && defined(__GNUC__) # define outb RealOutb # define outw RealOutw # define outl RealOutl # define inb RealInb # define inw RealInw # define inl RealInl # endif # if defined(QNX4) /* Do this for now to keep Watcom happy */ # define outb outp # define outw outpw # define outl outpd # define inb inp # define inw inpw # define inl inpd /* Define the ffs function for inlining */ extern int ffs(unsigned long); # pragma aux ffs_ = \ "bsf edx, eax" \ "jnz bits_set" \ "xor eax, eax" \ "jmp exit1" \ "bits_set:" \ "mov eax, edx" \ "inc eax" \ "exit1:" \ __parm [eax] \ __modify [eax edx] \ __value [eax] \ ; # endif # if defined(__SUNPRO_C) # define DO_PROTOTYPES # endif # if defined(NO_INLINE) || defined(DO_PROTOTYPES) # if !defined(__sparc__) && !defined(__arm32__) \ && !(defined(__alpha__) && defined(linux)) extern void outb(unsigned short, unsigned char); extern void outw(unsigned short, unsigned short); extern void outl(unsigned short, unsigned int); extern unsigned int inb(unsigned short); extern unsigned int inw(unsigned short); extern unsigned int inl(unsigned short); # else /* __sparc__, __arm32__, __alpha__*/ extern void outb(unsigned long, unsigned char); extern void outw(unsigned long, unsigned short); extern void outl(unsigned long, unsigned int); extern unsigned int inb(unsigned long); extern unsigned int inw(unsigned long); extern unsigned int inl(unsigned long); # endif /* __sparc__, __arm32__, __alpha__ */ extern unsigned long ldq_u(unsigned long *); extern unsigned long ldl_u(unsigned int *); extern unsigned long ldw_u(unsigned short *); extern void stq_u(unsigned long, unsigned long *); extern void stl_u(unsigned long, unsigned int *); extern void stw_u(unsigned long, unsigned short *); extern void mem_barrier(void); extern void write_mem_barrier(void); extern void stl_brx(unsigned long, volatile unsigned char *, int); extern void stw_brx(unsigned short, volatile unsigned char *, int); extern unsigned long ldl_brx(volatile unsigned char *, int); extern unsigned short ldw_brx(volatile unsigned char *, int); # endif # ifndef NO_INLINE # ifdef __GNUC__ # if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__alpha__) # ifdef linux /* for Linux on Alpha, we use the LIBC _inx/_outx routines */ /* note that the appropriate setup via "ioperm" needs to be done */ /* *before* any inx/outx is done. */ extern void (*_alpha_outb)(char val, unsigned long port); static __inline__ void outb(unsigned long port, unsigned char val) { _alpha_outb(val, port); } extern void (*_alpha_outw)(short val, unsigned long port); static __inline__ void outw(unsigned long port, unsigned short val) { _alpha_outw(val, port); } extern void (*_alpha_outl)(int val, unsigned long port); static __inline__ void outl(unsigned long port, unsigned int val) { _alpha_outl(val, port); } extern unsigned int (*_alpha_inb)(unsigned long port); static __inline__ unsigned int inb(unsigned long port) { return _alpha_inb(port); } extern unsigned int (*_alpha_inw)(unsigned long port); static __inline__ unsigned int inw(unsigned long port) { return _alpha_inw(port); } extern unsigned int (*_alpha_inl)(unsigned long port); static __inline__ unsigned int inl(unsigned long port) { return _alpha_inl(port); } # endif /* linux */ # if (defined(__FreeBSD__) || defined(__OpenBSD__)) \ && !defined(DO_PROTOTYPES) /* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */ /* inx/outx routines */ /* note that the appropriate setup via "ioperm" needs to be done */ /* *before* any inx/outx is done. */ extern void outb(unsigned int port, unsigned char val); extern void outw(unsigned int port, unsigned short val); extern void outl(unsigned int port, unsigned int val); extern unsigned char inb(unsigned int port); extern unsigned short inw(unsigned int port); extern unsigned int inl(unsigned int port); # endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */ #if defined(__NetBSD__) #include #endif /* __NetBSD__ */ /* * inline functions to do unaligned accesses * from linux/include/asm-alpha/unaligned.h */ /* * EGCS 1.1 knows about arbitrary unaligned loads. Define some * packed structures to talk about such things with. */ struct __una_u64 { unsigned long x __attribute__((packed)); }; struct __una_u32 { unsigned int x __attribute__((packed)); }; struct __una_u16 { unsigned short x __attribute__((packed)); }; /* * Elemental unaligned loads */ /* let's try making these things static */ static __inline__ unsigned long ldq_u(unsigned long * r11) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) const struct __una_u64 *ptr = (const struct __una_u64 *) r11; return ptr->x; # else unsigned long r1,r2; __asm__("ldq_u %0,%3\n\t" "ldq_u %1,%4\n\t" "extql %0,%2,%0\n\t" "extqh %1,%2,%1" :"=&r" (r1), "=&r" (r2) :"r" (r11), "m" (*r11), "m" (*(const unsigned long *)(7+(char *) r11))); return r1 | r2; # endif } static __inline__ unsigned long ldl_u(unsigned int * r11) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) const struct __una_u32 *ptr = (const struct __una_u32 *) r11; return ptr->x; # else unsigned long r1,r2; __asm__("ldq_u %0,%3\n\t" "ldq_u %1,%4\n\t" "extll %0,%2,%0\n\t" "extlh %1,%2,%1" :"=&r" (r1), "=&r" (r2) :"r" (r11), "m" (*r11), "m" (*(const unsigned long *)(3+(char *) r11))); return r1 | r2; # endif } static __inline__ unsigned long ldw_u(unsigned short * r11) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) const struct __una_u16 *ptr = (const struct __una_u16 *) r11; return ptr->x; # else unsigned long r1,r2; __asm__("ldq_u %0,%3\n\t" "ldq_u %1,%4\n\t" "extwl %0,%2,%0\n\t" "extwh %1,%2,%1" :"=&r" (r1), "=&r" (r2) :"r" (r11), "m" (*r11), "m" (*(const unsigned long *)(1+(char *) r11))); return r1 | r2; # endif } /* * Elemental unaligned stores */ static __inline__ void stq_u(unsigned long r5, unsigned long * r11) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) struct __una_u64 *ptr = (struct __una_u64 *) r11; ptr->x = r5; # else unsigned long r1,r2,r3,r4; __asm__("ldq_u %3,%1\n\t" "ldq_u %2,%0\n\t" "insqh %6,%7,%5\n\t" "insql %6,%7,%4\n\t" "mskqh %3,%7,%3\n\t" "mskql %2,%7,%2\n\t" "bis %3,%5,%3\n\t" "bis %2,%4,%2\n\t" "stq_u %3,%1\n\t" "stq_u %2,%0" :"=m" (*r11), "=m" (*(unsigned long *)(7+(char *) r11)), "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4) :"r" (r5), "r" (r11)); # endif } static __inline__ void stl_u(unsigned long r5, unsigned int * r11) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) struct __una_u32 *ptr = (struct __una_u32 *) r11; ptr->x = r5; # else unsigned long r1,r2,r3,r4; __asm__("ldq_u %3,%1\n\t" "ldq_u %2,%0\n\t" "inslh %6,%7,%5\n\t" "insll %6,%7,%4\n\t" "msklh %3,%7,%3\n\t" "mskll %2,%7,%2\n\t" "bis %3,%5,%3\n\t" "bis %2,%4,%2\n\t" "stq_u %3,%1\n\t" "stq_u %2,%0" :"=m" (*r11), "=m" (*(unsigned long *)(3+(char *) r11)), "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4) :"r" (r5), "r" (r11)); # endif } static __inline__ void stw_u(unsigned long r5, unsigned short * r11) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) struct __una_u16 *ptr = (struct __una_u16 *) r11; ptr->x = r5; # else unsigned long r1,r2,r3,r4; __asm__("ldq_u %3,%1\n\t" "ldq_u %2,%0\n\t" "inswh %6,%7,%5\n\t" "inswl %6,%7,%4\n\t" "mskwh %3,%7,%3\n\t" "mskwl %2,%7,%2\n\t" "bis %3,%5,%3\n\t" "bis %2,%4,%2\n\t" "stq_u %3,%1\n\t" "stq_u %2,%0" :"=m" (*r11), "=m" (*(unsigned long *)(1+(char *) r11)), "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4) :"r" (r5), "r" (r11)); # endif } /* to flush the I-cache before jumping to code which just got loaded */ # define PAL_imb 134 # define istream_mem_barrier() \ __asm__ __volatile__("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") # define mem_barrier() __asm__ __volatile__("mb" : : : "memory") # ifdef __ELF__ # define write_mem_barrier() __asm__ __volatile__("wmb" : : : "memory") # else /* ECOFF gas 2.6 doesn't know "wmb" :-( */ # define write_mem_barrier() mem_barrier() # endif # elif defined(linux) && defined(__ia64__) # include # include struct __una_u64 { uint64_t x __attribute__((packed)); }; struct __una_u32 { uint32_t x __attribute__((packed)); }; struct __una_u16 { uint16_t x __attribute__((packed)); }; static __inline__ unsigned long __uldq (const unsigned long * r11) { const struct __una_u64 *ptr = (const struct __una_u64 *) r11; return ptr->x; } static __inline__ unsigned long __uldl (const unsigned int * r11) { const struct __una_u32 *ptr = (const struct __una_u32 *) r11; return ptr->x; } static __inline__ unsigned long __uldw (const unsigned short * r11) { const struct __una_u16 *ptr = (const struct __una_u16 *) r11; return ptr->x; } static __inline__ void __ustq (unsigned long r5, unsigned long * r11) { struct __una_u64 *ptr = (struct __una_u64 *) r11; ptr->x = r5; } static __inline__ void __ustl (unsigned long r5, unsigned int * r11) { struct __una_u32 *ptr = (struct __una_u32 *) r11; ptr->x = r5; } static __inline__ void __ustw (unsigned long r5, unsigned short * r11) { struct __una_u16 *ptr = (struct __una_u16 *) r11; ptr->x = r5; } # define ldq_u(p) __uldq(p) # define ldl_u(p) __uldl(p) # define ldw_u(p) __uldw(p) # define stq_u(v,p) __ustq(v,p) # define stl_u(v,p) __ustl(v,p) # define stw_u(v,p) __ustw(v,p) # ifndef __INTEL_COMPILER # define mem_barrier() __asm__ __volatile__ ("mf" ::: "memory") # define write_mem_barrier() __asm__ __volatile__ ("mf" ::: "memory") # else # include "ia64intrin.h" # define mem_barrier() __mf() # define write_mem_barrier() __mf() # endif /* * This is overkill, but for different reasons depending on where it is used. * This is thus general enough to be used everywhere cache flushes are needed. * It doesn't handle memory access serialisation by other processors, though. */ # ifndef __INTEL_COMPILER # define ia64_flush_cache(Addr) \ __asm__ __volatile__ ( \ "fc %0;;;" \ "sync.i;;;" \ "mf;;;" \ "srlz.i;;;" \ :: "r"(Addr) : "memory") # else # define ia64_flush_cache(Addr) { \ __fc(Addr);\ __synci();\ __mf();\ __isrlz();\ } # endif # undef outb # undef outw # undef outl # define outb(a,b) _outb(b,a) # define outw(a,b) _outw(b,a) # define outl(a,b) _outl(b,a) # elif defined(linux) && defined(__amd64__) # include # define ldq_u(p) (*((unsigned long *)(p))) # define ldl_u(p) (*((unsigned int *)(p))) # define ldw_u(p) (*((unsigned short *)(p))) # define stq_u(v,p) (*(unsigned long *)(p)) = (v) # define stl_u(v,p) (*(unsigned int *)(p)) = (v) # define stw_u(v,p) (*(unsigned short *)(p)) = (v) # define mem_barrier() \ __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory") # define write_mem_barrier() \ __asm__ __volatile__ ("": : :"memory") static __inline__ void outb(unsigned short port, unsigned char val) { __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port)); } static __inline__ void outw(unsigned short port, unsigned short val) { __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port)); } static __inline__ void outl(unsigned short port, unsigned int val) { __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port)); } static __inline__ unsigned int inb(unsigned short port) { unsigned char ret; __asm__ __volatile__("inb %1,%0" : "=a" (ret) : "d" (port)); return ret; } static __inline__ unsigned int inw(unsigned short port) { unsigned short ret; __asm__ __volatile__("inw %1,%0" : "=a" (ret) : "d" (port)); return ret; } static __inline__ unsigned int inl(unsigned short port) { unsigned int ret; __asm__ __volatile__("inl %1,%0" : "=a" (ret) : "d" (port)); return ret; } # elif (defined(linux) || defined(Lynx) || defined(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__) # if !defined(Lynx) # ifndef ASI_PL # define ASI_PL 0x88 # endif # define barrier() __asm__ __volatile__(".word 0x8143e00a": : :"memory") static __inline__ void outb(unsigned long port, unsigned char val) { __asm__ __volatile__("stba %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (port), "i" (ASI_PL)); barrier(); } static __inline__ void outw(unsigned long port, unsigned short val) { __asm__ __volatile__("stha %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (port), "i" (ASI_PL)); barrier(); } static __inline__ void outl(unsigned long port, unsigned int val) { __asm__ __volatile__("sta %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (port), "i" (ASI_PL)); barrier(); } static __inline__ unsigned int inb(unsigned long port) { unsigned int ret; __asm__ __volatile__("lduba [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL)); return ret; } static __inline__ unsigned int inw(unsigned long port) { unsigned int ret; __asm__ __volatile__("lduha [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL)); return ret; } static __inline__ unsigned int inl(unsigned long port) { unsigned int ret; __asm__ __volatile__("lda [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL)); return ret; } static __inline__ unsigned char xf86ReadMmio8(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long)base) + offset; unsigned char ret; __asm__ __volatile__("lduba [%1] %2, %0" : "=r" (ret) : "r" (addr), "i" (ASI_PL)); return ret; } static __inline__ unsigned short xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long)base) + offset; unsigned short ret; __asm__ __volatile__("lduh [%1], %0" : "=r" (ret) : "r" (addr)); return ret; } static __inline__ unsigned short xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long)base) + offset; unsigned short ret; __asm__ __volatile__("lduha [%1] %2, %0" : "=r" (ret) : "r" (addr), "i" (ASI_PL)); return ret; } static __inline__ unsigned int xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long)base) + offset; unsigned int ret; __asm__ __volatile__("ld [%1], %0" : "=r" (ret) : "r" (addr)); return ret; } static __inline__ unsigned int xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long)base) + offset; unsigned int ret; __asm__ __volatile__("lda [%1] %2, %0" : "=r" (ret) : "r" (addr), "i" (ASI_PL)); return ret; } static __inline__ void xf86WriteMmio8(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("stba %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (addr), "i" (ASI_PL)); barrier(); } static __inline__ void xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("sth %0, [%1]" : /* No outputs */ : "r" (val), "r" (addr)); barrier(); } static __inline__ void xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("stha %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (addr), "i" (ASI_PL)); barrier(); } static __inline__ void xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("st %0, [%1]" : /* No outputs */ : "r" (val), "r" (addr)); barrier(); } static __inline__ void xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("sta %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (addr), "i" (ASI_PL)); barrier(); } static __inline__ void xf86WriteMmio8NB(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("stba %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (addr), "i" (ASI_PL)); } static __inline__ void xf86WriteMmio16BeNB(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("sth %0, [%1]" : /* No outputs */ : "r" (val), "r" (addr)); } static __inline__ void xf86WriteMmio16LeNB(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("stha %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (addr), "i" (ASI_PL)); } static __inline__ void xf86WriteMmio32BeNB(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("st %0, [%1]" : /* No outputs */ : "r" (val), "r" (addr)); } static __inline__ void xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("sta %0, [%1] %2" : /* No outputs */ : "r" (val), "r" (addr), "i" (ASI_PL)); } # endif /* !Lynx */ /* * EGCS 1.1 knows about arbitrary unaligned loads. Define some * packed structures to talk about such things with. */ # if defined(__arch64__) || defined(__sparcv9) struct __una_u64 { unsigned long x __attribute__((packed)); }; # endif struct __una_u32 { unsigned int x __attribute__((packed)); }; struct __una_u16 { unsigned short x __attribute__((packed)); }; static __inline__ unsigned long ldq_u(unsigned long *p) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) # if defined(__arch64__) || defined(__sparcv9) const struct __una_u64 *ptr = (const struct __una_u64 *) p; # else const struct __una_u32 *ptr = (const struct __una_u32 *) p; # endif return ptr->x; # else unsigned long ret; memmove(&ret, p, sizeof(*p)); return ret; # endif } static __inline__ unsigned long ldl_u(unsigned int *p) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) const struct __una_u32 *ptr = (const struct __una_u32 *) p; return ptr->x; # else unsigned int ret; memmove(&ret, p, sizeof(*p)); return ret; # endif } static __inline__ unsigned long ldw_u(unsigned short *p) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) const struct __una_u16 *ptr = (const struct __una_u16 *) p; return ptr->x; # else unsigned short ret; memmove(&ret, p, sizeof(*p)); return ret; # endif } static __inline__ void stq_u(unsigned long val, unsigned long *p) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) # if defined(__arch64__) || defined(__sparcv9) struct __una_u64 *ptr = (struct __una_u64 *) p; # else struct __una_u32 *ptr = (struct __una_u32 *) p; # endif ptr->x = val; # else unsigned long tmp = val; memmove(p, &tmp, sizeof(*p)); # endif } static __inline__ void stl_u(unsigned long val, unsigned int *p) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) struct __una_u32 *ptr = (struct __una_u32 *) p; ptr->x = val; # else unsigned int tmp = val; memmove(p, &tmp, sizeof(*p)); # endif } static __inline__ void stw_u(unsigned long val, unsigned short *p) { # if defined(__GNUC__) && ((__GNUC__ > 2) || (__GNUC_MINOR__ >= 91)) struct __una_u16 *ptr = (struct __una_u16 *) p; ptr->x = val; # else unsigned short tmp = val; memmove(p, &tmp, sizeof(*p)); # endif } # define mem_barrier() /* XXX: nop for now */ # define write_mem_barrier() /* XXX: nop for now */ # elif defined(__mips__) || defined(__arm32__) #ifdef __arm32__ #define PORT_SIZE long #else #define PORT_SIZE short #endif unsigned int IOPortBase; /* Memory mapped I/O port area */ static __inline__ void outb(unsigned PORT_SIZE port, unsigned char val) { *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val; } static __inline__ void outw(unsigned PORT_SIZE port, unsigned short val) { *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val; } static __inline__ void outl(unsigned PORT_SIZE port, unsigned int val) { *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase) = val; } static __inline__ unsigned int inb(unsigned PORT_SIZE port) { return *(volatile unsigned char*)(((unsigned PORT_SIZE)(port))+IOPortBase); } static __inline__ unsigned int inw(unsigned PORT_SIZE port) { return *(volatile unsigned short*)(((unsigned PORT_SIZE)(port))+IOPortBase); } static __inline__ unsigned int inl(unsigned PORT_SIZE port) { return *(volatile unsigned int*)(((unsigned PORT_SIZE)(port))+IOPortBase); } # if defined(__mips__) static __inline__ unsigned long ldq_u(unsigned long * r11) { unsigned long r1; __asm__("lwr %0,%2\n\t" "lwl %0,%3\n\t" :"=&r" (r1) :"r" (r11), "m" (*r11), "m" (*(unsigned long *)(3+(char *) r11))); return r1; } static __inline__ unsigned long ldl_u(unsigned int * r11) { unsigned long r1; __asm__("lwr %0,%2\n\t" "lwl %0,%3\n\t" :"=&r" (r1) :"r" (r11), "m" (*r11), "m" (*(unsigned long *)(3+(char *) r11))); return r1; } static __inline__ unsigned long ldw_u(unsigned short * r11) { unsigned long r1; __asm__("lwr %0,%2\n\t" "lwl %0,%3\n\t" :"=&r" (r1) :"r" (r11), "m" (*r11), "m" (*(unsigned long *)(1+(char *) r11))); return r1; } # ifdef linux /* don't mess with other OSs */ /* * EGCS 1.1 knows about arbitrary unaligned loads (and we don't support older * versions anyway. Define some packed structures to talk about such things * with. */ struct __una_u32 { unsigned int x __attribute__((packed)); }; struct __una_u16 { unsigned short x __attribute__((packed)); }; static __inline__ void stw_u(unsigned long val, unsigned short *p) { struct __una_u16 *ptr = (struct __una_u16 *) p; ptr->x = val; } static __inline__ void stl_u(unsigned long val, unsigned int *p) { struct __una_u32 *ptr = (struct __una_u32 *) p; ptr->x = val; } # if X_BYTE_ORDER == X_BIG_ENDIAN static __inline__ unsigned int xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset) { unsigned long addr = ((unsigned long)base) + offset; unsigned int ret; __asm__ __volatile__("lw %0, 0(%1)" : "=r" (ret) : "r" (addr)); return ret; } static __inline__ void xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { unsigned long addr = ((unsigned long)base) + offset; __asm__ __volatile__("sw %0, 0(%1)" : /* No outputs */ : "r" (val), "r" (addr)); } # endif # define mem_barrier() \ __asm__ __volatile__( \ "# prevent instructions being moved around\n\t" \ ".set\tnoreorder\n\t" \ "# 8 nops to fool the R4400 pipeline\n\t" \ "nop;nop;nop;nop;nop;nop;nop;nop\n\t" \ ".set\treorder" \ : /* no output */ \ : /* no input */ \ : "memory") # define write_mem_barrier() mem_barrier() # else /* !linux */ # define stq_u(v,p) stl_u(v,p) # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \ (*(unsigned char *)(p)+1) = ((v) >> 8); \ (*(unsigned char *)(p)+2) = ((v) >> 16); \ (*(unsigned char *)(p)+3) = ((v) >> 24) # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \ (*(unsigned char *)(p)+1) = ((v) >> 8) # define mem_barrier() /* NOP */ # endif /* !linux */ # endif /* __mips__ */ # if defined(__arm32__) # define ldq_u(p) (*((unsigned long *)(p))) # define ldl_u(p) (*((unsigned int *)(p))) # define ldw_u(p) (*((unsigned short *)(p))) # define stq_u(v,p) (*(unsigned long *)(p)) = (v) # define stl_u(v,p) (*(unsigned int *)(p)) = (v) # define stw_u(v,p) (*(unsigned short *)(p)) = (v) # define mem_barrier() /* NOP */ # define write_mem_barrier() /* NOP */ # endif /* __arm32__ */ # elif (defined(Lynx) || defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__)) && defined(__powerpc__) # ifndef MAP_FAILED # define MAP_FAILED ((void *)-1) # endif extern volatile unsigned char *ioBase; # define eieio() __asm__ __volatile__ ("eieio" ::: "memory") static __inline__ unsigned char xf86ReadMmio8(__volatile__ void *base, const unsigned long offset) { register unsigned char val; __asm__ __volatile__( "lbzx %0,%1,%2\n\t" "eieio" : "=r" (val) : "b" (base), "r" (offset), "m" (*((volatile unsigned char *)base+offset))); return val; } static __inline__ unsigned short xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset) { register unsigned short val; __asm__ __volatile__( "lhzx %0,%1,%2\n\t" "eieio" : "=r" (val) : "b" (base), "r" (offset), "m" (*((volatile unsigned char *)base+offset))); return val; } static __inline__ unsigned short xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset) { register unsigned short val; __asm__ __volatile__( "lhbrx %0,%1,%2\n\t" "eieio" : "=r" (val) : "b" (base), "r" (offset), "m" (*((volatile unsigned char *)base+offset))); return val; } static __inline__ unsigned int xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset) { register unsigned int val; __asm__ __volatile__( "lwzx %0,%1,%2\n\t" "eieio" : "=r" (val) : "b" (base), "r" (offset), "m" (*((volatile unsigned char *)base+offset))); return val; } static __inline__ unsigned int xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset) { register unsigned int val; __asm__ __volatile__( "lwbrx %0,%1,%2\n\t" "eieio" : "=r" (val) : "b" (base), "r" (offset), "m" (*((volatile unsigned char *)base+offset))); return val; } static __inline__ void xf86WriteMmioNB8(__volatile__ void *base, const unsigned long offset, const unsigned char val) { __asm__ __volatile__( "stbx %1,%2,%3\n\t" : "=m" (*((volatile unsigned char *)base+offset)) : "r" (val), "b" (base), "r" (offset)); } static __inline__ void xf86WriteMmioNB16Le(__volatile__ void *base, const unsigned long offset, const unsigned short val) { __asm__ __volatile__( "sthbrx %1,%2,%3\n\t" : "=m" (*((volatile unsigned char *)base+offset)) : "r" (val), "b" (base), "r" (offset)); } static __inline__ void xf86WriteMmioNB16Be(__volatile__ void *base, const unsigned long offset, const unsigned short val) { __asm__ __volatile__( "sthx %1,%2,%3\n\t" : "=m" (*((volatile unsigned char *)base+offset)) : "r" (val), "b" (base), "r" (offset)); } static __inline__ void xf86WriteMmioNB32Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { __asm__ __volatile__( "stwbrx %1,%2,%3\n\t" : "=m" (*((volatile unsigned char *)base+offset)) : "r" (val), "b" (base), "r" (offset)); } static __inline__ void xf86WriteMmioNB32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { __asm__ __volatile__( "stwx %1,%2,%3\n\t" : "=m" (*((volatile unsigned char *)base+offset)) : "r" (val), "b" (base), "r" (offset)); } static __inline__ void xf86WriteMmio8(__volatile__ void *base, const unsigned long offset, const unsigned char val) { xf86WriteMmioNB8(base, offset, val); eieio(); } static __inline__ void xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset, const unsigned short val) { xf86WriteMmioNB16Le(base, offset, val); eieio(); } static __inline__ void xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset, const unsigned short val) { xf86WriteMmioNB16Be(base, offset, val); eieio(); } static __inline__ void xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset, const unsigned int val) { xf86WriteMmioNB32Le(base, offset, val); eieio(); } static __inline__ void xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset, const unsigned int val) { xf86WriteMmioNB32Be(base, offset, val); eieio(); } static __inline__ void outb(unsigned short port, unsigned char value) { if(ioBase == MAP_FAILED) return; xf86WriteMmio8((void *)ioBase, port, value); } static __inline__ void outw(unsigned short port, unsigned short value) { if(ioBase == MAP_FAILED) return; xf86WriteMmio16Le((void *)ioBase, port, value); } static __inline__ void outl(unsigned short port, unsigned int value) { if(ioBase == MAP_FAILED) return; xf86WriteMmio32Le((void *)ioBase, port, value); } static __inline__ unsigned int inb(unsigned short port) { if(ioBase == MAP_FAILED) return 0; return xf86ReadMmio8((void *)ioBase, port); } static __inline__ unsigned int inw(unsigned short port) { if(ioBase == MAP_FAILED) return 0; return xf86ReadMmio16Le((void *)ioBase, port); } static __inline__ unsigned int inl(unsigned short port) { if(ioBase == MAP_FAILED) return 0; return xf86ReadMmio32Le((void *)ioBase, port); } # define ldq_u(p) ldl_u(p) # define ldl_u(p) ((*(unsigned char *)(p)) | \ (*((unsigned char *)(p)+1)<<8) | \ (*((unsigned char *)(p)+2)<<16) | \ (*((unsigned char *)(p)+3)<<24)) # define ldw_u(p) ((*(unsigned char *)(p)) | \ (*((unsigned char *)(p)+1)<<8)) # define stq_u(v,p) stl_u(v,p) # define stl_u(v,p) (*(unsigned char *)(p)) = (v); \ (*((unsigned char *)(p)+1)) = ((v) >> 8); \ (*((unsigned char *)(p)+2)) = ((v) >> 16); \ (*((unsigned char *)(p)+3)) = ((v) >> 24) # define stw_u(v,p) (*(unsigned char *)(p)) = (v); \ (*((unsigned char *)(p)+1)) = ((v) >> 8) # define mem_barrier() eieio() # define write_mem_barrier() eieio() # else /* ix86 */ # define ldq_u(p) (*((unsigned long *)(p))) # define ldl_u(p) (*((unsigned int *)(p))) # define ldw_u(p) (*((unsigned short *)(p))) # define stq_u(v,p) (*(unsigned long *)(p)) = (v) # define stl_u(v,p) (*(unsigned int *)(p)) = (v) # define stw_u(v,p) (*(unsigned short *)(p)) = (v) # define mem_barrier() /* NOP */ # define write_mem_barrier() /* NOP */ # if !defined(__SUNPRO_C) # if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) # ifdef GCCUSESGAS /* * If gcc uses gas rather than the native assembler, the syntax of these * inlines has to be different. DHD */ static __inline__ void outb(unsigned short port, unsigned char val) { __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port)); } static __inline__ void outw(unsigned short port, unsigned short val) { __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port)); } static __inline__ void outl(unsigned short port, unsigned int val) { __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port)); } static __inline__ unsigned int inb(unsigned short port) { unsigned char ret; __asm__ __volatile__("inb %1,%0" : "=a" (ret) : "d" (port)); return ret; } static __inline__ unsigned int inw(unsigned short port) { unsigned short ret; __asm__ __volatile__("inw %1,%0" : "=a" (ret) : "d" (port)); return ret; } static __inline__ unsigned int inl(unsigned short port) { unsigned int ret; __asm__ __volatile__("inl %1,%0" : "=a" (ret) : "d" (port)); return ret; } # else /* GCCUSESGAS */ static __inline__ void outb(unsigned short port, unsigned char val) { __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port)); } static __inline__ void outw(unsigned short port, unsigned short val) { __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port)); } static __inline__ void outl(unsigned short port, unsigned int val) { __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port)); } static __inline__ unsigned int inb(unsigned short port) { unsigned char ret; __asm__ __volatile__("in%B0 (%1)" : "=a" (ret) : "d" (port)); return ret; } static __inline__ unsigned int inw(unsigned short port) { unsigned short ret; __asm__ __volatile__("in%W0 (%1)" : "=a" (ret) : "d" (port)); return ret; } static __inline__ unsigned int inl(unsigned short port) { unsigned int ret; __asm__ __volatile__("in%L0 (%1)" : "=a" (ret) : "d" (port)); return ret; } # endif /* GCCUSESGAS */ # else /* !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__)*/ static __inline__ void outb(unsigned short port, unsigned char val) { } static __inline__ void outw(unsigned short port, unsigned short val) { } static __inline__ void outl(unsigned short port, unsigned int val) { } static __inline__ unsigned int inb(unsigned short port) { return 0; } static __inline__ unsigned int inw(unsigned short port) { return 0; } static __inline__ unsigned int inl(unsigned short port) { return 0; } # endif /* FAKEIT */ # endif /* __SUNPRO_C */ # endif /* ix86 */ # elif defined(__powerpc__) /* && !__GNUC__ */ /* * NON-GCC PowerPC - Presumed to be PowerMAX OS for now */ # ifndef PowerMAX_OS # error - Non-gcc PowerPC and !PowerMAXOS ??? # endif # define PPCIO_DEBUG 0 # define PPCIO_INLINE 1 # define USE_ABS_MACRO 1 /* * Use compiler intrinsics to access certain PPC machine instructions */ # define eieio() __inst_eieio() # define stw_brx(val,base,ndx) __inst_sthbrx(val,base,ndx) # define stl_brx(val,base,ndx) __inst_stwbrx(val,base,ndx) # define ldw_brx(base,ndx) __inst_lhbrx(base,ndx) # define ldl_brx(base,ndx) __inst_lwbrx(base,ndx) # define ldq_u(p) (*((unsigned long long *)(p))) # define ldl_u(p) (*((unsigned long *)(p))) # define ldw_u(p) (*((unsigned short *)(p))) # define stq_u(v,p) (*(unsigned long long *)(p)) = (v) # define stl_u(v,p) (*(unsigned long *)(p)) = (v) # define stw_u(v,p) (*(unsigned short *)(p)) = (v) # define mem_barrier() eieio() # define write_mem_barrier() eieio() extern volatile unsigned char *ioBase; # if !defined(abs) && defined(USE_ABS_MACRO) # define abs(x) ((x) >= 0 ? (x) : -(x)) # endif # undef inb # undef inw # undef inl # undef outb # undef outw # undef outl # if PPCIO_DEBUG extern void debug_outb(unsigned int a, unsigned char b, int line, char *file); extern void debug_outw(unsigned int a, unsigned short w, int line, char *file); extern void debug_outl(unsigned int a, unsigned int l, int line, char *file); extern unsigned char debug_inb(unsigned int a, int line, char *file); extern unsigned short debug_inw(unsigned int a, int line, char *file); extern unsigned int debug_inl(unsigned int a, int line, char *file); # define outb(a,b) debug_outb(a,b, __LINE__, __FILE__) # define outw(a,w) debug_outw(a,w, __LINE__, __FILE__) # define outl(a,l) debug_outl(a,l, __LINE__, __FILE__) # define inb(a) debug_inb(a, __LINE__, __FILE__) # define inw(a) debug_inw(a, __LINE__, __FILE__) # define inl(a) debug_inl(a, __LINE__, __FILE__) # else /* !PPCIO_DEBUG */ extern unsigned char inb(unsigned int a); extern unsigned short inw(unsigned int a); extern unsigned int inl(unsigned int a); # if PPCIO_INLINE # define outb(a,b) \ (*((volatile unsigned char *)(ioBase + (a))) = (b), eieio()) # define outw(a,w) (stw_brx((w),ioBase,(a)), eieio()) # define outl(a,l) (stl_brx((l),ioBase,(a)), eieio()) # else /* !PPCIO_INLINE */ extern void outb(unsigned int a, unsigned char b); extern void outw(unsigned int a, unsigned short w); extern void outl(unsigned int a, unsigned int l); # endif /* PPCIO_INLINE */ # endif /* !PPCIO_DEBUG */ # else /* !GNUC && !PPC */ # if !defined(QNX4) # if defined(__STDC__) && (__STDC__ == 1) # ifndef asm # define asm __asm # endif # endif # ifdef SVR4 #if 0 # include #endif # ifndef __HIGHC__ # if !defined(__USLC__) && !defined(__SUNPRO_C) # define __USLC__ # endif # endif # endif # ifndef SCO325 # if defined(USL) # if defined(IN_MODULE) # /* avoid including for on UnixWare */ # define ushort unsigned short # define ushort_t unsigned short # define ulong unsigned long # define ulong_t unsigned long # define uint_t unsigned int # define uchar_t unsigned char # else # include # endif /* IN_MODULE */ # endif /* USL */ # if !defined(sgi) && !defined(__SUNPRO_C) # include # endif # else # include "scoasm.h" # endif # if !defined(__HIGHC__) && !defined(SCO325) && !defined(sgi) && \ !defined(__SUNPRO_C) # pragma asm partial_optimization outl # pragma asm partial_optimization outw # pragma asm partial_optimization outb # pragma asm partial_optimization inl # pragma asm partial_optimization inw # pragma asm partial_optimization inb # endif # endif # define ldq_u(p) (*((unsigned long *)(p))) # define ldl_u(p) (*((unsigned int *)(p))) # define ldw_u(p) (*((unsigned short *)(p))) # define stq_u(v,p) (*(unsigned long *)(p)) = (v) # define stl_u(v,p) (*(unsigned int *)(p)) = (v) # define stw_u(v,p) (*(unsigned short *)(p)) = (v) # define mem_barrier() /* NOP */ # define write_mem_barrier() /* NOP */ # endif /* __GNUC__ */ # if defined(QNX4) # include extern unsigned inb(unsigned port); extern unsigned inw(unsigned port); extern unsigned inl(unsigned port); extern void outb(unsigned port, unsigned val); extern void outw(unsigned port, unsigned val); extern void outl(unsigned port, unsigned val); # endif /* QNX4 */ # if defined(IODEBUG) && defined(__GNUC__) # undef inb # undef inw # undef inl # undef outb # undef outw # undef outl # define inb(a) __extension__ ({unsigned char __c=RealInb(a); ErrorF("inb(0x%03x) = 0x%02x\t@ line %4d, file %s\n", a, __c, __LINE__, __FILE__);__c;}) # define inw(a) __extension__ ({unsigned short __c=RealInw(a); ErrorF("inw(0x%03x) = 0x%04x\t@ line %4d, file %s\n", a, __c, __LINE__, __FILE__);__c;}) # define inl(a) __extension__ ({unsigned int __c=RealInl(a); ErrorF("inl(0x%03x) = 0x%08x\t@ line %4d, file %s\n", a, __c, __LINE__, __FILE__);__c;}) # define outb(a,b) (ErrorF("outb(0x%03x, 0x%02x)\t@ line %4d, file %s\n", a, b, __LINE__, __FILE__),RealOutb(a,b)) # define outw(a,b) (ErrorF("outw(0x%03x, 0x%04x)\t@ line %4d, file %s\n", a, b, __LINE__, __FILE__),RealOutw(a,b)) # define outl(a,b) (ErrorF("outl(0x%03x, 0x%08x)\t@ line %4d, file %s\n", a, b, __LINE__, __FILE__),RealOutl(a,b)) # endif # endif /* NO_INLINE */ # ifdef __alpha__ /* entry points for Mmio memory access routines */ extern int (*xf86ReadMmio8)(void *, unsigned long); extern int (*xf86ReadMmio16)(void *, unsigned long); # ifndef STANDALONE_MMIO extern int (*xf86ReadMmio32)(void *, unsigned long); # else /* Some DRI 3D drivers need MMIO_IN32. */ static __inline__ int xf86ReadMmio32(void *Base, unsigned long Offset) { __asm__ __volatile__("mb" : : : "memory"); return *(volatile CARD32*)((unsigned long)Base+(Offset)); } # endif extern void (*xf86WriteMmio8)(int, void *, unsigned long); extern void (*xf86WriteMmio16)(int, void *, unsigned long); extern void (*xf86WriteMmio32)(int, void *, unsigned long); extern void (*xf86WriteMmioNB8)(int, void *, unsigned long); extern void (*xf86WriteMmioNB16)(int, void *, unsigned long); extern void (*xf86WriteMmioNB32)(int, void *, unsigned long); extern void xf86JensenMemToBus(char *, long, long, int); extern void xf86JensenBusToMem(char *, char *, unsigned long, int); extern void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int); extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int); /* Some macros to hide the system dependencies for MMIO accesses */ /* Changed to kill noise generated by gcc's -Wcast-align */ # define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset) # define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset) # ifndef STANDALONE_MMIO # define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset) # else # define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset) # endif # if defined (JENSEN_SUPPORT) # define MMIO_OUT32(base, offset, val) \ (*xf86WriteMmio32)((CARD32)(val), base, offset) # define MMIO_ONB32(base, offset, val) \ (*xf86WriteMmioNB32)((CARD32)(val), base, offset) # else # define MMIO_OUT32(base, offset, val) \ do { \ write_mem_barrier(); \ *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val); \ } while (0) # define MMIO_ONB32(base, offset, val) \ *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val) # endif # define MMIO_OUT8(base, offset, val) \ (*xf86WriteMmio8)((CARD8)(val), base, offset) # define MMIO_OUT16(base, offset, val) \ (*xf86WriteMmio16)((CARD16)(val), base, offset) # define MMIO_ONB8(base, offset, val) \ (*xf86WriteMmioNB8)((CARD8)(val), base, offset) # define MMIO_ONB16(base, offset, val) \ (*xf86WriteMmioNB16)((CARD16)(val), base, offset) # define MMIO_MOVE32(base, offset, val) \ MMIO_OUT32(base, offset, val) # elif defined(__powerpc__) /* * we provide byteswapping and no byteswapping functions here * with byteswapping as default, * drivers that don't need byteswapping should define PPC_MMIO_IS_BE */ # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset) # define MMIO_OUT8(base, offset, val) \ xf86WriteMmio8(base, offset, (CARD8)(val)) # define MMIO_ONB8(base, offset, val) \ xf86WriteMmioNB8(base, offset, (CARD8)(val)) # if defined(PPC_MMIO_IS_BE) /* No byteswapping */ # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset) # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset) # define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Be(base, offset, (CARD16)(val)) # define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Be(base, offset, (CARD32)(val)) # define MMIO_ONB16(base, offset, val) \ xf86WriteMmioNB16Be(base, offset, (CARD16)(val)) # define MMIO_ONB32(base, offset, val) \ xf86WriteMmioNB32Be(base, offset, (CARD32)(val)) # else /* byteswapping is the default */ # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset) # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset) # define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Le(base, offset, (CARD16)(val)) # define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Le(base, offset, (CARD32)(val)) # define MMIO_ONB16(base, offset, val) \ xf86WriteMmioNB16Le(base, offset, (CARD16)(val)) # define MMIO_ONB32(base, offset, val) \ xf86WriteMmioNB32Le(base, offset, (CARD32)(val)) # endif # define MMIO_MOVE32(base, offset, val) \ xf86WriteMmio32Be(base, offset, (CARD32)(val)) static __inline__ void ppc_flush_icache(char *addr) { __asm__ volatile ( "dcbf 0,%0;" "sync;" "icbi 0,%0;" "sync;" "isync;" : : "r"(addr) : "memory"); } # elif defined(__sparc__) /* * Like powerpc, we provide byteswapping and no byteswapping functions * here with byteswapping as default, drivers that don't need byteswapping * should define SPARC_MMIO_IS_BE (perhaps create a generic macro so that we * do not need to use PPC_MMIO_IS_BE and the sparc one in all the same places * of drivers?). */ # define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset) # define MMIO_OUT8(base, offset, val) \ xf86WriteMmio8(base, offset, (CARD8)(val)) # define MMIO_ONB8(base, offset, val) \ xf86WriteMmio8NB(base, offset, (CARD8)(val)) # if defined(SPARC_MMIO_IS_BE) /* No byteswapping */ # define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset) # define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset) # define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Be(base, offset, (CARD16)(val)) # define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Be(base, offset, (CARD32)(val)) # define MMIO_ONB16(base, offset, val) \ xf86WriteMmio16BeNB(base, offset, (CARD16)(val)) # define MMIO_ONB32(base, offset, val) \ xf86WriteMmio32BeNB(base, offset, (CARD32)(val)) # else /* byteswapping is the default */ # define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset) # define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset) # define MMIO_OUT16(base, offset, val) \ xf86WriteMmio16Le(base, offset, (CARD16)(val)) # define MMIO_OUT32(base, offset, val) \ xf86WriteMmio32Le(base, offset, (CARD32)(val)) # define MMIO_ONB16(base, offset, val) \ xf86WriteMmio16LeNB(base, offset, (CARD16)(val)) # define MMIO_ONB32(base, offset, val) \ xf86WriteMmio32LeNB(base, offset, (CARD32)(val)) # endif # define MMIO_MOVE32(base, offset, val) \ xf86WriteMmio32Be(base, offset, (CARD32)(val)) # else /* !__alpha__ && !__powerpc__ && !__sparc__ */ # define MMIO_IN8(base, offset) \ *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) # define MMIO_IN16(base, offset) \ *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) # define MMIO_IN32(base, offset) \ *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) # define MMIO_OUT8(base, offset, val) \ *(volatile CARD8 *)(((CARD8*)(base)) + (offset)) = (val) # define MMIO_OUT16(base, offset, val) \ *(volatile CARD16 *)(void *)(((CARD8*)(base)) + (offset)) = (val) # define MMIO_OUT32(base, offset, val) \ *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) = (val) # define MMIO_ONB8(base, offset, val) MMIO_OUT8(base, offset, val) # define MMIO_ONB16(base, offset, val) MMIO_OUT16(base, offset, val) # define MMIO_ONB32(base, offset, val) MMIO_OUT32(base, offset, val) # define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val) # endif /* __alpha__ */ /* * With Intel, the version in os-support/misc/SlowBcopy.s is used. * This avoids port I/O during the copy (which causes problems with * some hardware). */ # ifdef __alpha__ # define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count) # define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count) # else /* __alpha__ */ # define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count) # define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count) # endif /* __alpha__ */ #endif /* _COMPILER_H */