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Diffstat (limited to 'xorg-server/hw/xfree86/common/compiler.h')
-rw-r--r--xorg-server/hw/xfree86/common/compiler.h2752
1 files changed, 1376 insertions, 1376 deletions
diff --git a/xorg-server/hw/xfree86/common/compiler.h b/xorg-server/hw/xfree86/common/compiler.h
index ded71ee22..6414dd4a9 100644
--- a/xorg-server/hw/xfree86/common/compiler.h
+++ b/xorg-server/hw/xfree86/common/compiler.h
@@ -1,1376 +1,1376 @@
-/*
- * 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
-
-/* Map Sun compiler platform defines to gcc-style used in the code */
-#if defined(__amd64) && !defined(__amd64__)
-# define __amd64__
-#endif
-#if defined(__i386) && !defined(__i386__)
-# define __i386__
-#endif
-#if defined(__sparc) && !defined(__sparc__)
-# define __sparc__
-#endif
-#if defined(__sparcv9) && !defined(__sparc64__)
-# define __sparc64__
-#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 _outb(unsigned char val, unsigned long port);
-extern _X_EXPORT void _outw(unsigned short val, unsigned long port);
-extern _X_EXPORT void _outl(unsigned int val, unsigned long port);
-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);
-
-static __inline__ void
-outb(unsigned long port, unsigned char val)
-{
- _outb(val, port);
-}
-
-static __inline__ void
-outw(unsigned long port, unsigned short val)
-{
- _outw(val, port);
-}
-
-static __inline__ void
-outl(unsigned long port, unsigned int val)
-{
- _outl(val, port);
-}
-
-static __inline__ unsigned int
-inb(unsigned long port)
-{
- return _inb(port);
-}
-
-static __inline__ unsigned int
-inw(unsigned long port)
-{
- return _inw(port);
-}
-
-static __inline__ unsigned int
-inl(unsigned long port)
-{
- return _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);
-extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
-extern _X_EXPORT 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
-
-# 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__ */
-
-/*
- * 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 */
+/*
+ * 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
+
+/* Map Sun compiler platform defines to gcc-style used in the code */
+#if defined(__amd64) && !defined(__amd64__)
+# define __amd64__
+#endif
+#if defined(__i386) && !defined(__i386__)
+# define __i386__
+#endif
+#if defined(__sparc) && !defined(__sparc__)
+# define __sparc__
+#endif
+#if defined(__sparcv9) && !defined(__sparc64__)
+# define __sparc64__
+#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 _outb(unsigned char val, unsigned long port);
+extern _X_EXPORT void _outw(unsigned short val, unsigned long port);
+extern _X_EXPORT void _outl(unsigned int val, unsigned long port);
+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);
+
+static __inline__ void
+outb(unsigned long port, unsigned char val)
+{
+ _outb(val, port);
+}
+
+static __inline__ void
+outw(unsigned long port, unsigned short val)
+{
+ _outw(val, port);
+}
+
+static __inline__ void
+outl(unsigned long port, unsigned int val)
+{
+ _outl(val, port);
+}
+
+static __inline__ unsigned int
+inb(unsigned long port)
+{
+ return _inb(port);
+}
+
+static __inline__ unsigned int
+inw(unsigned long port)
+{
+ return _inw(port);
+}
+
+static __inline__ unsigned int
+inl(unsigned long port)
+{
+ return _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);
+extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
+extern _X_EXPORT 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
+
+# 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__ */
+
+/*
+ * 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 */