diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/compiler.h')
| -rw-r--r-- | xorg-server/hw/xfree86/common/compiler.h | 2690 |
1 files changed, 1345 insertions, 1345 deletions
diff --git a/xorg-server/hw/xfree86/common/compiler.h b/xorg-server/hw/xfree86/common/compiler.h index cdb493a23..71a94c0c8 100644 --- a/xorg-server/hw/xfree86/common/compiler.h +++ b/xorg-server/hw/xfree86/common/compiler.h @@ -1,1345 +1,1345 @@ -/* - * 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). - */ - -#ifndef _COMPILER_H - -# define _COMPILER_H - -#if defined(__SUNPRO_C) -# define DO_PROTOTYPES -#endif - -#ifndef _X_EXPORT -# include <X11/Xfuncproto.h> -#endif - -# include <pixman.h> /* for uint*_t types */ - -/* 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 */ - -/* Support gcc's __FUNCTION__ for people using other compilers */ -#if !defined(__GNUC__) && !defined(__FUNCTION__) -# define __FUNCTION__ __func__ /* C99 */ -#endif - -# if defined(NO_INLINE) || defined(DO_PROTOTYPES) - -# if !defined(__arm__) -# if !defined(__sparc__) && !defined(__sparc) && !defined(__arm32__) \ - && !(defined(__alpha__) && defined(linux)) \ - && !(defined(__ia64__) && defined(linux)) \ - -extern _X_EXPORT void outb(unsigned short, unsigned char); -extern _X_EXPORT void outw(unsigned short, unsigned short); -extern _X_EXPORT void outl(unsigned short, unsigned int); -extern _X_EXPORT unsigned int inb(unsigned short); -extern _X_EXPORT unsigned int inw(unsigned short); -extern _X_EXPORT unsigned int inl(unsigned short); - -# else /* __sparc__, __arm32__, __alpha__*/ - -extern _X_EXPORT void outb(unsigned long, unsigned char); -extern _X_EXPORT void outw(unsigned long, unsigned short); -extern _X_EXPORT void outl(unsigned long, unsigned int); -extern _X_EXPORT unsigned int inb(unsigned long); -extern _X_EXPORT unsigned int inw(unsigned long); -extern _X_EXPORT unsigned int inl(unsigned long); - -# endif /* __sparc__, __arm32__, __alpha__ */ -# endif /* __arm__ */ - -# if defined(__powerpc__) && !defined(__OpenBSD__) -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 /* __powerpc__ && !__OpenBSD */ - -# endif /* NO_INLINE || DO_PROTOTYPES */ - -# ifndef NO_INLINE -# ifdef __GNUC__ -# ifdef __i386__ - -# ifdef __SSE__ -# define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory") -# else -# define write_mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory") -# endif - -# ifdef __SSE2__ -# define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory") -# else -# define mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory") -# endif - -# elif defined __alpha__ - -# define mem_barrier() __asm__ __volatile__ ("mb" : : : "memory") -# define write_mem_barrier() __asm__ __volatile__ ("wmb" : : : "memory") - -# elif defined __amd64__ - -# define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory") -# define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory") - -# elif defined __ia64__ - -# 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 - -# elif defined __mips__ - /* Note: sync instruction requires MIPS II instruction set */ -# define mem_barrier() \ - __asm__ __volatile__( \ - ".set push\n\t" \ - ".set noreorder\n\t" \ - ".set mips2\n\t" \ - "sync\n\t" \ - ".set pop" \ - : /* no output */ \ - : /* no input */ \ - : "memory") -# define write_mem_barrier() mem_barrier() - -# elif defined __powerpc__ - -# if defined(linux) && defined(__powerpc64__) -# include <linux/version.h> -# if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0) -# include <asm/memory.h> -# endif -# endif /* defined(linux) && defined(__powerpc64__) */ - -# ifndef eieio /* We deal with arch-specific eieio() routines above... */ -# define eieio() __asm__ __volatile__ ("eieio" ::: "memory") -# endif /* eieio */ -# define mem_barrier() eieio() -# define write_mem_barrier() eieio() - -# elif defined __sparc__ - -# define barrier() __asm__ __volatile__ (".word 0x8143e00a" : : : "memory") -# define mem_barrier() /* XXX: nop for now */ -# define write_mem_barrier() /* XXX: nop for now */ -# endif -# endif /* __GNUC__ */ -# endif /* NO_INLINE */ - -# ifndef mem_barrier -# define mem_barrier() /* NOP */ -# endif - -# ifndef write_mem_barrier -# define write_mem_barrier() /* NOP */ -# endif - - -# ifndef NO_INLINE -# ifdef __GNUC__ - -/* Define some packed structures to use with unaligned accesses */ - -struct __una_u64 { uint64_t x __attribute__((packed)); }; -struct __una_u32 { uint32_t x __attribute__((packed)); }; -struct __una_u16 { uint16_t x __attribute__((packed)); }; - -/* Elemental unaligned loads */ - -static __inline__ uint64_t ldq_u(uint64_t *p) -{ - const struct __una_u64 *ptr = (const struct __una_u64 *) p; - return ptr->x; -} - -static __inline__ uint32_t ldl_u(uint32_t *p) -{ - const struct __una_u32 *ptr = (const struct __una_u32 *) p; - return ptr->x; -} - -static __inline__ uint16_t ldw_u(uint16_t *p) -{ - const struct __una_u16 *ptr = (const struct __una_u16 *) p; - return ptr->x; -} - -/* Elemental unaligned stores */ - -static __inline__ void stq_u(uint64_t val, uint64_t *p) -{ - struct __una_u64 *ptr = (struct __una_u64 *) p; - ptr->x = val; -} - -static __inline__ void stl_u(uint32_t val, uint32_t *p) -{ - struct __una_u32 *ptr = (struct __una_u32 *) p; - ptr->x = val; -} - -static __inline__ void stw_u(uint16_t val, uint16_t *p) -{ - struct __una_u16 *ptr = (struct __una_u16 *) p; - ptr->x = val; -} -# else /* !__GNUC__ */ - -#include <string.h> /* needed for memmove */ - -static __inline__ uint64_t ldq_u(uint64_t *p) -{ - uint64_t ret; - memmove(&ret, p, sizeof(*p)); - return ret; -} - -static __inline__ uint32_t ldl_u(uint32_t *p) -{ - uint32_t ret; - memmove(&ret, p, sizeof(*p)); - return ret; -} - -static __inline__ uint16_t ldw_u(uint16_t *p) -{ - uint16_t ret; - memmove(&ret, p, sizeof(*p)); - return ret; -} - -static __inline__ void stq_u(uint64_t val, uint64_t *p) -{ - uint64_t tmp = val; - memmove(p, &tmp, sizeof(*p)); -} - -static __inline__ void stl_u(uint32_t val, uint32_t *p) -{ - uint32_t tmp = val; - memmove(p, &tmp, sizeof(*p)); -} - -static __inline__ void stw_u(uint16_t val, uint16_t *p) -{ - uint16_t tmp = val; - memmove(p, &tmp, sizeof(*p)); -} - -# endif /* __GNUC__ */ -# endif /* NO_INLINE */ - -# 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 _X_EXPORT void (*_alpha_outb)(char val, unsigned long port); -static __inline__ void -outb(unsigned long port, unsigned char val) -{ - _alpha_outb(val, port); -} - -extern _X_EXPORT void (*_alpha_outw)(short val, unsigned long port); -static __inline__ void -outw(unsigned long port, unsigned short val) -{ - _alpha_outw(val, port); -} - -extern _X_EXPORT void (*_alpha_outl)(int val, unsigned long port); -static __inline__ void -outl(unsigned long port, unsigned int val) -{ - _alpha_outl(val, port); -} - -extern _X_EXPORT unsigned int (*_alpha_inb)(unsigned long port); -static __inline__ unsigned int -inb(unsigned long port) -{ - return _alpha_inb(port); -} - -extern _X_EXPORT unsigned int (*_alpha_inw)(unsigned long port); -static __inline__ unsigned int -inw(unsigned long port) -{ - return _alpha_inw(port); -} - -extern _X_EXPORT 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 _X_EXPORT void outb(unsigned int port, unsigned char val); -extern _X_EXPORT void outw(unsigned int port, unsigned short val); -extern _X_EXPORT void outl(unsigned int port, unsigned int val); -extern _X_EXPORT unsigned char inb(unsigned int port); -extern _X_EXPORT unsigned short inw(unsigned int port); -extern _X_EXPORT unsigned int inl(unsigned int port); - -# endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */ - - -#if defined(__NetBSD__) -#include <machine/pio.h> -#endif /* __NetBSD__ */ - -# elif defined(linux) && defined(__ia64__) - -# include <inttypes.h> - -# include <sys/io.h> - -# undef outb -# undef outw -# undef outl -# undef inb -# undef inw -# undef inl -extern _X_EXPORT void outb(unsigned long port, unsigned char val); -extern _X_EXPORT void outw(unsigned long port, unsigned short val); -extern _X_EXPORT void outl(unsigned long port, unsigned int val); -extern _X_EXPORT unsigned int inb(unsigned long port); -extern _X_EXPORT unsigned int inw(unsigned long port); -extern _X_EXPORT unsigned int inl(unsigned long port); - -# elif (defined(linux) || defined(__FreeBSD__)) && defined(__amd64__) - -# include <inttypes.h> - -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(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__) - -# ifndef ASI_PL -# define ASI_PL 0x88 -# endif - -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)); -} - -# elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__)) -# ifdef __arm32__ -# define PORT_SIZE long -# else -# define PORT_SIZE short -# endif - -_X_EXPORT 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__) -# ifdef linux /* don't mess with other OSs */ -# 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 -# endif /* !linux */ -# endif /* __mips__ */ - -# elif (defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__) - -# ifndef MAP_FAILED -# define MAP_FAILED ((void *)-1) -# endif - -extern _X_EXPORT volatile unsigned char *ioBase; - -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); -} - -#elif defined(__arm__) && defined(__linux__) - -/* for Linux on ARM, we use the LIBC inx/outx routines */ -/* note that the appropriate setup via "ioperm" needs to be done */ -/* *before* any inx/outx is done. */ - -#include <sys/io.h> - -static __inline__ void -xf_outb(unsigned short port, unsigned char val) -{ - outb(val, port); -} - -static __inline__ void -xf_outw(unsigned short port, unsigned short val) -{ - outw(val, port); -} - -static __inline__ void -xf_outl(unsigned short port, unsigned int val) -{ - outl(val, port); -} - -#define outb xf_outb -#define outw xf_outw -#define outl xf_outl - -# else /* ix86 */ - -# if !defined(__SUNPRO_C) -# if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__) -# 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__) && !defined(__m32r__) */ - -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 */ - -# else /* !GNUC */ -# if defined(__STDC__) && (__STDC__ == 1) -# ifndef asm -# define asm __asm -# endif -# endif -# ifndef SCO325 -# if defined(__UNIXWARE__) -# /* avoid including <sys/types.h> for <sys/inline.h> 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 -# endif /* __UNIXWARE__ */ -# if !defined(__SUNPRO_C) -# include <sys/inline.h> -# endif -# else -# include "scoasm.h" -# endif -# if !defined(__HIGHC__) && !defined(__SUNPRO_C) || \ - defined(__USLC__) -# 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 /* __GNUC__ */ - -# endif /* NO_INLINE */ - -# ifdef __alpha__ -/* entry points for Mmio memory access routines */ -extern _X_EXPORT int (*xf86ReadMmio8)(void *, unsigned long); -extern _X_EXPORT int (*xf86ReadMmio16)(void *, unsigned long); -# ifndef STANDALONE_MMIO -extern _X_EXPORT int (*xf86ReadMmio32)(void *, unsigned long); -# else -/* Some DRI 3D drivers need MMIO_IN32. */ -static __inline__ int -xf86ReadMmio32(void *Base, unsigned long Offset) -{ - mem_barrier(); - return *(volatile unsigned int*)((unsigned long)Base+(Offset)); -} -# endif -extern _X_EXPORT void (*xf86WriteMmio8)(int, void *, unsigned long); -extern _X_EXPORT void (*xf86WriteMmio16)(int, void *, unsigned long); -extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long); -extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long); -extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long); -extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long); - -/* 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 - -# 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) - -# 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)) - -# elif defined(__sparc__) || defined(sparc) || 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__ */ -#endif /* _COMPILER_H */ +/*
+ * 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).
+ */
+
+#ifndef _COMPILER_H
+
+# define _COMPILER_H
+
+#if defined(__SUNPRO_C)
+# define DO_PROTOTYPES
+#endif
+
+#ifndef _X_EXPORT
+# include <X11/Xfuncproto.h>
+#endif
+
+# include <pixman.h> /* for uint*_t types */
+
+/* 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__) || defined(_MSC_VER)
+ /* gcc has __inline */
+# elif defined(__HIGHC__)
+# define __inline _Inline
+# else
+# define __inline /**/
+# endif
+# endif /* __inline */
+
+/* Support gcc's __FUNCTION__ for people using other compilers */
+#if !defined(__GNUC__) && !defined(__FUNCTION__)
+# define __FUNCTION__ __func__ /* C99 */
+#endif
+
+# if defined(NO_INLINE) || defined(DO_PROTOTYPES)
+
+# if !defined(__arm__)
+# if !defined(__sparc__) && !defined(__sparc) && !defined(__arm32__) \
+ && !(defined(__alpha__) && defined(linux)) \
+ && !(defined(__ia64__) && defined(linux)) \
+
+extern _X_EXPORT void outb(unsigned short, unsigned char);
+extern _X_EXPORT void outw(unsigned short, unsigned short);
+extern _X_EXPORT void outl(unsigned short, unsigned int);
+extern _X_EXPORT unsigned int inb(unsigned short);
+extern _X_EXPORT unsigned int inw(unsigned short);
+extern _X_EXPORT unsigned int inl(unsigned short);
+
+# else /* __sparc__, __arm32__, __alpha__*/
+
+extern _X_EXPORT void outb(unsigned long, unsigned char);
+extern _X_EXPORT void outw(unsigned long, unsigned short);
+extern _X_EXPORT void outl(unsigned long, unsigned int);
+extern _X_EXPORT unsigned int inb(unsigned long);
+extern _X_EXPORT unsigned int inw(unsigned long);
+extern _X_EXPORT unsigned int inl(unsigned long);
+
+# endif /* __sparc__, __arm32__, __alpha__ */
+# endif /* __arm__ */
+
+# if defined(__powerpc__) && !defined(__OpenBSD__)
+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 /* __powerpc__ && !__OpenBSD */
+
+# endif /* NO_INLINE || DO_PROTOTYPES */
+
+# ifndef NO_INLINE
+# ifdef __GNUC__
+# ifdef __i386__
+
+# ifdef __SSE__
+# define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
+# else
+# define write_mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory")
+# endif
+
+# ifdef __SSE2__
+# define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
+# else
+# define mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory")
+# endif
+
+# elif defined __alpha__
+
+# define mem_barrier() __asm__ __volatile__ ("mb" : : : "memory")
+# define write_mem_barrier() __asm__ __volatile__ ("wmb" : : : "memory")
+
+# elif defined __amd64__
+
+# define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
+# define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
+
+# elif defined __ia64__
+
+# 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
+
+# elif defined __mips__
+ /* Note: sync instruction requires MIPS II instruction set */
+# define mem_barrier() \
+ __asm__ __volatile__( \
+ ".set push\n\t" \
+ ".set noreorder\n\t" \
+ ".set mips2\n\t" \
+ "sync\n\t" \
+ ".set pop" \
+ : /* no output */ \
+ : /* no input */ \
+ : "memory")
+# define write_mem_barrier() mem_barrier()
+
+# elif defined __powerpc__
+
+# if defined(linux) && defined(__powerpc64__)
+# include <linux/version.h>
+# if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0)
+# include <asm/memory.h>
+# endif
+# endif /* defined(linux) && defined(__powerpc64__) */
+
+# ifndef eieio /* We deal with arch-specific eieio() routines above... */
+# define eieio() __asm__ __volatile__ ("eieio" ::: "memory")
+# endif /* eieio */
+# define mem_barrier() eieio()
+# define write_mem_barrier() eieio()
+
+# elif defined __sparc__
+
+# define barrier() __asm__ __volatile__ (".word 0x8143e00a" : : : "memory")
+# define mem_barrier() /* XXX: nop for now */
+# define write_mem_barrier() /* XXX: nop for now */
+# endif
+# endif /* __GNUC__ */
+# endif /* NO_INLINE */
+
+# ifndef mem_barrier
+# define mem_barrier() /* NOP */
+# endif
+
+# ifndef write_mem_barrier
+# define write_mem_barrier() /* NOP */
+# endif
+
+
+# ifndef NO_INLINE
+# ifdef __GNUC__
+
+/* Define some packed structures to use with unaligned accesses */
+
+struct __una_u64 { uint64_t x __attribute__((packed)); };
+struct __una_u32 { uint32_t x __attribute__((packed)); };
+struct __una_u16 { uint16_t x __attribute__((packed)); };
+
+/* Elemental unaligned loads */
+
+static __inline__ uint64_t ldq_u(uint64_t *p)
+{
+ const struct __una_u64 *ptr = (const struct __una_u64 *) p;
+ return ptr->x;
+}
+
+static __inline__ uint32_t ldl_u(uint32_t *p)
+{
+ const struct __una_u32 *ptr = (const struct __una_u32 *) p;
+ return ptr->x;
+}
+
+static __inline__ uint16_t ldw_u(uint16_t *p)
+{
+ const struct __una_u16 *ptr = (const struct __una_u16 *) p;
+ return ptr->x;
+}
+
+/* Elemental unaligned stores */
+
+static __inline__ void stq_u(uint64_t val, uint64_t *p)
+{
+ struct __una_u64 *ptr = (struct __una_u64 *) p;
+ ptr->x = val;
+}
+
+static __inline__ void stl_u(uint32_t val, uint32_t *p)
+{
+ struct __una_u32 *ptr = (struct __una_u32 *) p;
+ ptr->x = val;
+}
+
+static __inline__ void stw_u(uint16_t val, uint16_t *p)
+{
+ struct __una_u16 *ptr = (struct __una_u16 *) p;
+ ptr->x = val;
+}
+# else /* !__GNUC__ */
+
+#include <string.h> /* needed for memmove */
+
+static __inline__ uint64_t ldq_u(uint64_t *p)
+{
+ uint64_t ret;
+ memmove(&ret, p, sizeof(*p));
+ return ret;
+}
+
+static __inline__ uint32_t ldl_u(uint32_t *p)
+{
+ uint32_t ret;
+ memmove(&ret, p, sizeof(*p));
+ return ret;
+}
+
+static __inline__ uint16_t ldw_u(uint16_t *p)
+{
+ uint16_t ret;
+ memmove(&ret, p, sizeof(*p));
+ return ret;
+}
+
+static __inline__ void stq_u(uint64_t val, uint64_t *p)
+{
+ uint64_t tmp = val;
+ memmove(p, &tmp, sizeof(*p));
+}
+
+static __inline__ void stl_u(uint32_t val, uint32_t *p)
+{
+ uint32_t tmp = val;
+ memmove(p, &tmp, sizeof(*p));
+}
+
+static __inline__ void stw_u(uint16_t val, uint16_t *p)
+{
+ uint16_t tmp = val;
+ memmove(p, &tmp, sizeof(*p));
+}
+
+# endif /* __GNUC__ */
+# endif /* NO_INLINE */
+
+# 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 _X_EXPORT void (*_alpha_outb)(char val, unsigned long port);
+static __inline__ void
+outb(unsigned long port, unsigned char val)
+{
+ _alpha_outb(val, port);
+}
+
+extern _X_EXPORT void (*_alpha_outw)(short val, unsigned long port);
+static __inline__ void
+outw(unsigned long port, unsigned short val)
+{
+ _alpha_outw(val, port);
+}
+
+extern _X_EXPORT void (*_alpha_outl)(int val, unsigned long port);
+static __inline__ void
+outl(unsigned long port, unsigned int val)
+{
+ _alpha_outl(val, port);
+}
+
+extern _X_EXPORT unsigned int (*_alpha_inb)(unsigned long port);
+static __inline__ unsigned int
+inb(unsigned long port)
+{
+ return _alpha_inb(port);
+}
+
+extern _X_EXPORT unsigned int (*_alpha_inw)(unsigned long port);
+static __inline__ unsigned int
+inw(unsigned long port)
+{
+ return _alpha_inw(port);
+}
+
+extern _X_EXPORT 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 _X_EXPORT void outb(unsigned int port, unsigned char val);
+extern _X_EXPORT void outw(unsigned int port, unsigned short val);
+extern _X_EXPORT void outl(unsigned int port, unsigned int val);
+extern _X_EXPORT unsigned char inb(unsigned int port);
+extern _X_EXPORT unsigned short inw(unsigned int port);
+extern _X_EXPORT unsigned int inl(unsigned int port);
+
+# endif /* (__FreeBSD__ || __OpenBSD__ ) && !DO_PROTOTYPES */
+
+
+#if defined(__NetBSD__)
+#include <machine/pio.h>
+#endif /* __NetBSD__ */
+
+# elif defined(linux) && defined(__ia64__)
+
+# include <inttypes.h>
+
+# include <sys/io.h>
+
+# undef outb
+# undef outw
+# undef outl
+# undef inb
+# undef inw
+# undef inl
+extern _X_EXPORT void outb(unsigned long port, unsigned char val);
+extern _X_EXPORT void outw(unsigned long port, unsigned short val);
+extern _X_EXPORT void outl(unsigned long port, unsigned int val);
+extern _X_EXPORT unsigned int inb(unsigned long port);
+extern _X_EXPORT unsigned int inw(unsigned long port);
+extern _X_EXPORT unsigned int inl(unsigned long port);
+
+# elif (defined(linux) || defined(__FreeBSD__)) && defined(__amd64__)
+
+# include <inttypes.h>
+
+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(sun) || defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__sparc__)
+
+# ifndef ASI_PL
+# define ASI_PL 0x88
+# endif
+
+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));
+}
+
+# elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__))
+# ifdef __arm32__
+# define PORT_SIZE long
+# else
+# define PORT_SIZE short
+# endif
+
+_X_EXPORT 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__)
+# ifdef linux /* don't mess with other OSs */
+# 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
+# endif /* !linux */
+# endif /* __mips__ */
+
+# elif (defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
+
+# ifndef MAP_FAILED
+# define MAP_FAILED ((void *)-1)
+# endif
+
+extern _X_EXPORT volatile unsigned char *ioBase;
+
+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);
+}
+
+#elif defined(__arm__) && defined(__linux__)
+
+/* for Linux on ARM, we use the LIBC inx/outx routines */
+/* note that the appropriate setup via "ioperm" needs to be done */
+/* *before* any inx/outx is done. */
+
+#include <sys/io.h>
+
+static __inline__ void
+xf_outb(unsigned short port, unsigned char val)
+{
+ outb(val, port);
+}
+
+static __inline__ void
+xf_outw(unsigned short port, unsigned short val)
+{
+ outw(val, port);
+}
+
+static __inline__ void
+xf_outl(unsigned short port, unsigned int val)
+{
+ outl(val, port);
+}
+
+#define outb xf_outb
+#define outw xf_outw
+#define outl xf_outl
+
+# else /* ix86 */
+
+# if !defined(__SUNPRO_C)
+# if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__)
+# 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__) && !defined(__m32r__) */
+
+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 */
+
+# else /* !GNUC */
+# if defined(__STDC__) && (__STDC__ == 1)
+# ifndef asm
+# define asm __asm
+# endif
+# endif
+# ifndef SCO325
+# if defined(__UNIXWARE__)
+# /* avoid including <sys/types.h> for <sys/inline.h> 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
+# endif /* __UNIXWARE__ */
+# if !defined(__SUNPRO_C) && !defined(_MSC_VER)
+# include <sys/inline.h>
+# endif
+# else
+# include "scoasm.h"
+# endif
+# if (!defined(__HIGHC__) && !defined(__SUNPRO_C) && !defined(_MSC_VER)) || \
+ defined(__USLC__)
+# 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 /* __GNUC__ */
+
+# endif /* NO_INLINE */
+
+# ifdef __alpha__
+/* entry points for Mmio memory access routines */
+extern _X_EXPORT int (*xf86ReadMmio8)(void *, unsigned long);
+extern _X_EXPORT int (*xf86ReadMmio16)(void *, unsigned long);
+# ifndef STANDALONE_MMIO
+extern _X_EXPORT int (*xf86ReadMmio32)(void *, unsigned long);
+# else
+/* Some DRI 3D drivers need MMIO_IN32. */
+static __inline__ int
+xf86ReadMmio32(void *Base, unsigned long Offset)
+{
+ mem_barrier();
+ return *(volatile unsigned int*)((unsigned long)Base+(Offset));
+}
+# endif
+extern _X_EXPORT void (*xf86WriteMmio8)(int, void *, unsigned long);
+extern _X_EXPORT void (*xf86WriteMmio16)(int, void *, unsigned long);
+extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long);
+extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long);
+extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long);
+extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
+
+/* 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
+
+# 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)
+
+# 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))
+
+# elif defined(__sparc__) || defined(sparc) || 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__ */
+#endif /* _COMPILER_H */
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