Switched to xorg-server-1.6.99.900.tar.gz

1 files changed, 227 insertions, 586 deletions

diff --git a/xorg-server/hw/xfree86/common/compiler.h b/xorg-server/hw/xfree86/common/compiler.h
index 285d9a3f6..95ef72c39 100644
--- a/xorg-server/hw/xfree86/common/compiler.h
+++ b/xorg-server/hw/xfree86/common/compiler.h
@@ -55,6 +55,12 @@
 # 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__)
@@ -87,25 +93,26 @@
       && !(defined(__alpha__) && defined(linux)) \
       && !(defined(__ia64__) && defined(linux)) \
 
-extern void outb(unsigned short, unsigned char);
-extern void outw(unsigned short, unsigned short);
-extern void outl(unsigned short, unsigned int);
-extern unsigned int inb(unsigned short);
-extern unsigned int inw(unsigned short);
-extern unsigned int inl(unsigned short);
+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 void outb(unsigned long, unsigned char);
-extern void outw(unsigned long, unsigned short);
-extern void outl(unsigned long, unsigned int);
-extern unsigned int inb(unsigned long);
-extern unsigned int inw(unsigned long);
-extern unsigned int inl(unsigned long);
+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 *);
@@ -118,9 +125,186 @@ 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__ */
+
+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__))
@@ -130,42 +314,42 @@ extern unsigned short ldw_brx(volatile unsigned char *, int);
 /* note that the appropriate setup via "ioperm" needs to be done */
 /*  *before* any inx/outx is done. */
 
-extern void (*_alpha_outb)(char val, unsigned long port);
+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 void (*_alpha_outw)(short val, unsigned long 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 void (*_alpha_outl)(int val, unsigned long 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 unsigned int (*_alpha_inb)(unsigned long port);
+extern _X_EXPORT unsigned int (*_alpha_inb)(unsigned long port);
 static __inline__ unsigned int
 inb(unsigned long port)
 {
   return _alpha_inb(port);
 }
 
-extern unsigned int (*_alpha_inw)(unsigned long port);
+extern _X_EXPORT unsigned int (*_alpha_inw)(unsigned long port);
 static __inline__ unsigned int
 inw(unsigned long port)
 {
   return _alpha_inw(port);
 }
 
-extern unsigned int (*_alpha_inl)(unsigned long port);
+extern _X_EXPORT unsigned int (*_alpha_inl)(unsigned long port);
 static __inline__ unsigned int
 inl(unsigned long port)
 {
@@ -182,12 +366,12 @@ inl(unsigned long port)
 /* note that the appropriate setup via "ioperm" needs to be done */
 /*  *before* any inx/outx is done. */
 
-extern void outb(unsigned int port, unsigned char val);
-extern void outw(unsigned int port, unsigned short val);
-extern void outl(unsigned int port, unsigned int val);
-extern unsigned char inb(unsigned int port);
-extern unsigned short inw(unsigned int port);
-extern unsigned int inl(unsigned int port);
+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 */
 
@@ -196,292 +380,29 @@ extern unsigned int inl(unsigned int port);
 #include <machine/pio.h>
 #endif /* __NetBSD__ */
 
-/*
- * inline functions to do unaligned accesses
- * from linux/include/asm-alpha/unaligned.h
- */
-
-/*
- * EGCS 1.1 knows about arbitrary unaligned loads.  Define some
- * packed structures to talk about such things with.
- */
-
-struct __una_u64 { unsigned long  x __attribute__((packed)); };
-struct __una_u32 { unsigned int   x __attribute__((packed)); };
-struct __una_u16 { unsigned short x __attribute__((packed)); };
-
-/*
- * Elemental unaligned loads 
- */
-/* let's try making these things static */
-
-static __inline__ unsigned long ldq_u(unsigned long * r11)
-{
-#    if defined(__GNUC__)
-	const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
-	return ptr->x;
-#    else
-	unsigned long r1,r2;
-	__asm__("ldq_u %0,%3\n\t"
-		"ldq_u %1,%4\n\t"
-		"extql %0,%2,%0\n\t"
-		"extqh %1,%2,%1"
-		:"=&r" (r1), "=&r" (r2)
-		:"r" (r11),
-		 "m" (*r11),
-		 "m" (*(const unsigned long *)(7+(char *) r11)));
-	return r1 | r2;
-#    endif
-}
-
-static __inline__ unsigned long ldl_u(unsigned int * r11)
-{
-#    if defined(__GNUC__)
-	const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
-	return ptr->x;
-#    else
-	unsigned long r1,r2;
-	__asm__("ldq_u %0,%3\n\t"
-		"ldq_u %1,%4\n\t"
-		"extll %0,%2,%0\n\t"
-		"extlh %1,%2,%1"
-		:"=&r" (r1), "=&r" (r2)
-		:"r" (r11),
-		 "m" (*r11),
-		 "m" (*(const unsigned long *)(3+(char *) r11)));
-	return r1 | r2;
-#    endif
-}
-
-static __inline__ unsigned long ldw_u(unsigned short * r11)
-{
-#    if defined(__GNUC__)
-	const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
-	return ptr->x;
-#    else
-	unsigned long r1,r2;
-	__asm__("ldq_u %0,%3\n\t"
-		"ldq_u %1,%4\n\t"
-		"extwl %0,%2,%0\n\t"
-		"extwh %1,%2,%1"
-		:"=&r" (r1), "=&r" (r2)
-		:"r" (r11),
-		 "m" (*r11),
-		 "m" (*(const unsigned long *)(1+(char *) r11)));
-	return r1 | r2;
-#    endif
-}
-
-/*
- * Elemental unaligned stores 
- */
-
-static __inline__ void stq_u(unsigned long r5, unsigned long * r11)
-{
-#    if defined(__GNUC__)
-	struct __una_u64 *ptr = (struct __una_u64 *) r11;
-	ptr->x = r5;
-#    else
-	unsigned long r1,r2,r3,r4;
-
-	__asm__("ldq_u %3,%1\n\t"
-		"ldq_u %2,%0\n\t"
-		"insqh %6,%7,%5\n\t"
-		"insql %6,%7,%4\n\t"
-		"mskqh %3,%7,%3\n\t"
-		"mskql %2,%7,%2\n\t"
-		"bis %3,%5,%3\n\t"
-		"bis %2,%4,%2\n\t"
-		"stq_u %3,%1\n\t"
-		"stq_u %2,%0"
-		:"=m" (*r11),
-		 "=m" (*(unsigned long *)(7+(char *) r11)),
-		 "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
-		:"r" (r5), "r" (r11));
-#    endif
-}
-
-static __inline__ void stl_u(unsigned long r5, unsigned int * r11)
-{
-#    if defined(__GNUC__)
-	struct __una_u32 *ptr = (struct __una_u32 *) r11;
-	ptr->x = r5;
-#    else
-	unsigned long r1,r2,r3,r4;
-
-	__asm__("ldq_u %3,%1\n\t"
-		"ldq_u %2,%0\n\t"
-		"inslh %6,%7,%5\n\t"
-		"insll %6,%7,%4\n\t"
-		"msklh %3,%7,%3\n\t"
-		"mskll %2,%7,%2\n\t"
-		"bis %3,%5,%3\n\t"
-		"bis %2,%4,%2\n\t"
-		"stq_u %3,%1\n\t"
-		"stq_u %2,%0"
-		:"=m" (*r11),
-		 "=m" (*(unsigned long *)(3+(char *) r11)),
-		 "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
-		:"r" (r5), "r" (r11));
-#    endif
-}
-
-static __inline__ void stw_u(unsigned long r5, unsigned short * r11)
-{
-#    if defined(__GNUC__)
-	struct __una_u16 *ptr = (struct __una_u16 *) r11;
-	ptr->x = r5;
-#    else
-	unsigned long r1,r2,r3,r4;
-
-	__asm__("ldq_u %3,%1\n\t"
-		"ldq_u %2,%0\n\t"
-		"inswh %6,%7,%5\n\t"
-		"inswl %6,%7,%4\n\t"
-		"mskwh %3,%7,%3\n\t"
-		"mskwl %2,%7,%2\n\t"
-		"bis %3,%5,%3\n\t"
-		"bis %2,%4,%2\n\t"
-		"stq_u %3,%1\n\t"
-		"stq_u %2,%0"
-		:"=m" (*r11),
-		 "=m" (*(unsigned long *)(1+(char *) r11)),
-		 "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
-		:"r" (r5), "r" (r11));
-#    endif
-}
-
-/* to flush the I-cache before jumping to code which just got loaded */
-#    define PAL_imb 134
-#    define istream_mem_barrier() \
-	__asm__ __volatile__("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
-#    define mem_barrier()        __asm__ __volatile__("mb"  : : : "memory")
-#    ifdef __ELF__
-#     define write_mem_barrier()  __asm__ __volatile__("wmb" : : : "memory")
-#    else  /*  ECOFF gas 2.6 doesn't know "wmb" :-(  */
-#     define write_mem_barrier()  mem_barrier()
-#    endif
-
-
 #   elif defined(linux) && defined(__ia64__) 
  
 #    include <inttypes.h>
 
 #    include <sys/io.h>
 
-struct __una_u64 { uint64_t x __attribute__((packed)); };
-struct __una_u32 { uint32_t x __attribute__((packed)); };
-struct __una_u16 { uint16_t x __attribute__((packed)); };
-
-static __inline__ unsigned long
-__uldq (const unsigned long * r11)
-{
-	const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
-	return ptr->x;
-}
-
-static __inline__ unsigned long
-__uldl (const unsigned int * r11)
-{
-	const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
-	return ptr->x;
-}
-
-static __inline__ unsigned long
-__uldw (const unsigned short * r11)
-{
-	const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
-	return ptr->x;
-}
-
-static __inline__ void
-__ustq (unsigned long r5, unsigned long * r11)
-{
-	struct __una_u64 *ptr = (struct __una_u64 *) r11;
-	ptr->x = r5;
-}
-
-static __inline__ void
-__ustl (unsigned long r5, unsigned int * r11)
-{
-	struct __una_u32 *ptr = (struct __una_u32 *) r11;
-	ptr->x = r5;
-}
-
-static __inline__ void
-__ustw (unsigned long r5, unsigned short * r11)
-{
-	struct __una_u16 *ptr = (struct __una_u16 *) r11;
-	ptr->x = r5;
-}
-
-#    define ldq_u(p)	__uldq(p)
-#    define ldl_u(p)	__uldl(p)
-#    define ldw_u(p)	__uldw(p) 
-#    define stq_u(v,p)	__ustq(v,p)
-#    define stl_u(v,p)	__ustl(v,p)
-#    define stw_u(v,p)	__ustw(v,p)
-
-#    ifndef __INTEL_COMPILER  
-#      define mem_barrier()        __asm__ __volatile__ ("mf" ::: "memory")
-#      define write_mem_barrier()  __asm__ __volatile__ ("mf" ::: "memory")
-#    else
-#      include "ia64intrin.h"
-#      define mem_barrier() __mf()
-#      define write_mem_barrier() __mf()
-#    endif
-
-/*
- * This is overkill, but for different reasons depending on where it is used.
- * This is thus general enough to be used everywhere cache flushes are needed.
- * It doesn't handle memory access serialisation by other processors, though.
- */
-#    ifndef __INTEL_COMPILER
-#       define ia64_flush_cache(Addr) \
-	__asm__ __volatile__ ( \
-		"fc.i %0;;;" \
-		"sync.i;;;" \
-		"mf;;;" \
-		"srlz.i;;;" \
-		:: "r"(Addr) : "memory")
-#    else
-#      define ia64_flush_cache(Addr) { \
-        __fc(Addr);\
-        __synci();\
-        __mf();\
-        __isrlz();\
-       }
-#    endif
 #    undef outb
 #    undef outw
 #    undef outl
 #    undef inb
 #    undef inw
 #    undef inl
-extern void outb(unsigned long port, unsigned char val);
-extern void outw(unsigned long port, unsigned short val);
-extern void outl(unsigned long port, unsigned int val);
-extern unsigned int inb(unsigned long port);
-extern unsigned int inw(unsigned long port);
-extern unsigned int inl(unsigned long port);
+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(__amd64__)
+#   elif (defined(linux) || defined(__FreeBSD__)) && defined(__amd64__)
  
 #    include <inttypes.h>
 
-#    define ldq_u(p)	(*((unsigned long  *)(p)))
-#    define ldl_u(p)	(*((unsigned int   *)(p)))
-#    define ldw_u(p)	(*((unsigned short *)(p)))
-#    define stq_u(v,p)	(*(unsigned long  *)(p)) = (v)
-#    define stl_u(v,p)	(*(unsigned int   *)(p)) = (v)
-#    define stw_u(v,p)	(*(unsigned short *)(p)) = (v)
-  
-#    define mem_barrier() \
-       __asm__ __volatile__ ("lock; addl $0,0(%%rsp)": : :"memory")
-#    define write_mem_barrier() \
-       __asm__ __volatile__ ("": : :"memory")
-
-
 static __inline__ void
 outb(unsigned short port, unsigned char val)
 {
@@ -537,8 +458,6 @@ inl(unsigned short port)
 #      define ASI_PL 0x88
 #     endif
 
-#     define barrier() __asm__ __volatile__(".word 0x8143e00a": : :"memory")
-
 static __inline__ void
 outb(unsigned long port, unsigned char val)
 {
@@ -771,98 +690,6 @@ xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset,
 			     : "r" (val), "r" (addr), "i" (ASI_PL));
 }
 
-
-/*
- * EGCS 1.1 knows about arbitrary unaligned loads.  Define some
- * packed structures to talk about such things with.
- */
-
-#    if defined(__arch64__) || defined(__sparcv9)
-struct __una_u64 { unsigned long  x __attribute__((packed)); };
-#    endif
-struct __una_u32 { unsigned int   x __attribute__((packed)); };
-struct __una_u16 { unsigned short x __attribute__((packed)); };
-
-static __inline__ unsigned long ldq_u(unsigned long *p)
-{
-#    if defined(__GNUC__)
-#     if defined(__arch64__) || defined(__sparcv9)
-	const struct __una_u64 *ptr = (const struct __una_u64 *) p;
-#     else
-	const struct __una_u32 *ptr = (const struct __una_u32 *) p;
-#     endif
-	return ptr->x;
-#    else
-	unsigned long ret;
-	memmove(&ret, p, sizeof(*p));
-	return ret;
-#    endif
-}
-
-static __inline__ unsigned long ldl_u(unsigned int *p)
-{
-#    if defined(__GNUC__)
-	const struct __una_u32 *ptr = (const struct __una_u32 *) p;
-	return ptr->x;
-#    else
-	unsigned int ret;
-	memmove(&ret, p, sizeof(*p));
-	return ret;
-#    endif
-}
-
-static __inline__ unsigned long ldw_u(unsigned short *p)
-{
-#    if defined(__GNUC__)
-	const struct __una_u16 *ptr = (const struct __una_u16 *) p;
-	return ptr->x;
-#    else
-	unsigned short ret;
-	memmove(&ret, p, sizeof(*p));
-	return ret;
-#    endif
-}
-
-static __inline__ void stq_u(unsigned long val, unsigned long *p)
-{
-#    if defined(__GNUC__)
-#     if defined(__arch64__) || defined(__sparcv9)
-	struct __una_u64 *ptr = (struct __una_u64 *) p;
-#     else
-	struct __una_u32 *ptr = (struct __una_u32 *) p;
-#     endif
-	ptr->x = val;
-#    else
-	unsigned long tmp = val;
-	memmove(p, &tmp, sizeof(*p));
-#    endif
-}
-
-static __inline__ void stl_u(unsigned long val, unsigned int *p)
-{
-#    if defined(__GNUC__)
-	struct __una_u32 *ptr = (struct __una_u32 *) p;
-	ptr->x = val;
-#    else
-	unsigned int tmp = val;
-	memmove(p, &tmp, sizeof(*p));
-#    endif
-}
-
-static __inline__ void stw_u(unsigned long val, unsigned short *p)
-{
-#    if defined(__GNUC__)
-	struct __una_u16 *ptr = (struct __una_u16 *) p;
-	ptr->x = val;
-#    else
-	unsigned short tmp = val;
-	memmove(p, &tmp, sizeof(*p));
-#    endif
-}
-
-#    define mem_barrier()         /* XXX: nop for now */
-#    define write_mem_barrier()   /* XXX: nop for now */
-
 #   elif defined(__mips__) || (defined(__arm32__) && !defined(__linux__))
 #    ifdef __arm32__
 #     define PORT_SIZE long
@@ -870,7 +697,7 @@ static __inline__ void stw_u(unsigned long val, unsigned short *p)
 #     define PORT_SIZE short
 #    endif
 
-unsigned int IOPortBase;  /* Memory mapped I/O port area */
+_X_EXPORT unsigned int IOPortBase;  /* Memory mapped I/O port area */
 
 static __inline__ void
 outb(unsigned PORT_SIZE port, unsigned char val)
@@ -910,65 +737,7 @@ inl(unsigned PORT_SIZE port)
 
 
 #    if defined(__mips__)
-static __inline__ unsigned long ldq_u(unsigned long * r11)
-{
-	unsigned long r1;
-	__asm__("lwr %0,%2\n\t"
-		"lwl %0,%3\n\t"
-		:"=&r" (r1)
-		:"r" (r11),
-		 "m" (*r11),
-		 "m" (*(unsigned long *)(3+(char *) r11)));
-	return r1;
-}
-
-static __inline__ unsigned long ldl_u(unsigned int * r11)
-{
-	unsigned long r1;
-	__asm__("lwr %0,%2\n\t"
-		"lwl %0,%3\n\t"
-		:"=&r" (r1)
-		:"r" (r11),
-		 "m" (*r11),
-		 "m" (*(unsigned long *)(3+(char *) r11)));
-	return r1;
-}
-
-static __inline__ unsigned long ldw_u(unsigned short * r11)
-{
-	unsigned long r1;
-	__asm__("lwr %0,%2\n\t"
-		"lwl %0,%3\n\t"
-		:"=&r" (r1)
-		:"r" (r11),
-		 "m" (*r11),
-		 "m" (*(unsigned long *)(1+(char *) r11)));
-	return r1;
-}
-
 #     ifdef linux	/* don't mess with other OSs */
-
-/*
- * EGCS 1.1 knows about arbitrary unaligned loads (and we don't support older
- * versions anyway. Define some packed structures to talk about such things
- * with.
- */
-
-struct __una_u32 { unsigned int   x __attribute__((packed)); };
-struct __una_u16 { unsigned short x __attribute__((packed)); };
-
-static __inline__ void stw_u(unsigned long val, unsigned short *p)
-{
-	struct __una_u16 *ptr = (struct __una_u16 *) p;
-	ptr->x = val;
-}
-
-static __inline__ void stl_u(unsigned long val, unsigned int *p)
-{
-	struct __una_u32 *ptr = (struct __una_u32 *) p;
-	ptr->x = val;
-}
-
 #       if X_BYTE_ORDER == X_BIG_ENDIAN
 static __inline__ unsigned int
 xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
@@ -993,62 +762,16 @@ xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
 			     : "r" (val), "r" (addr));
 }
 #      endif
-
-#      define mem_barrier() \
-        __asm__ __volatile__(					\
-		"# prevent instructions being moved around\n\t"	\
-       		".set\tnoreorder\n\t"				\
-		"# 8 nops to fool the R4400 pipeline\n\t"	\
-		"nop;nop;nop;nop;nop;nop;nop;nop\n\t"		\
-		".set\treorder"					\
-		: /* no output */				\
-		: /* no input */				\
-		: "memory")
-#      define write_mem_barrier() mem_barrier()
-
-#     else  /* !linux */
-
-#      define stq_u(v,p)	stl_u(v,p)
-#      define stl_u(v,p)	(*(unsigned char *)(p)) = (v); \
-			(*(unsigned char *)(p)+1) = ((v) >> 8);  \
-			(*(unsigned char *)(p)+2) = ((v) >> 16); \
-			(*(unsigned char *)(p)+3) = ((v) >> 24)
-
-#      define stw_u(v,p)	(*(unsigned char *)(p)) = (v); \
-				(*(unsigned char *)(p)+1) = ((v) >> 8)
-
-#      define mem_barrier()   /* NOP */
 #     endif /* !linux */
 #    endif /* __mips__ */
 
-#    if defined(__arm32__)
-#     define ldq_u(p)	(*((unsigned long  *)(p)))
-#     define ldl_u(p)	(*((unsigned int   *)(p)))
-#     define ldw_u(p)	(*((unsigned short *)(p)))
-#     define stq_u(v,p)	(*(unsigned long  *)(p)) = (v)
-#     define stl_u(v,p)	(*(unsigned int   *)(p)) = (v)
-#     define stw_u(v,p)	(*(unsigned short *)(p)) = (v)
-#     define mem_barrier()	/* NOP */
-#     define write_mem_barrier()	/* NOP */
-#    endif /* __arm32__ */
-
 #   elif (defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
 
 #    ifndef MAP_FAILED
 #     define MAP_FAILED ((void *)-1)
 #    endif
 
-extern volatile unsigned char *ioBase;
-
-#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 */
+extern _X_EXPORT volatile unsigned char *ioBase;
 
 static __inline__ unsigned char
 xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
@@ -1248,36 +971,8 @@ inl(unsigned short port)
         return xf86ReadMmio32Le((void *)ioBase, port);
 }
 
-#    define ldq_u(p)	ldl_u(p)
-#    define ldl_u(p)	((*(unsigned char *)(p))	| \
-			(*((unsigned char *)(p)+1)<<8)	| \
-			(*((unsigned char *)(p)+2)<<16)	| \
-			(*((unsigned char *)(p)+3)<<24))
-#    define ldw_u(p)	((*(unsigned char *)(p)) | \
-			(*((unsigned char *)(p)+1)<<8))
-
-#    define stq_u(v,p)	stl_u(v,p)
-#    define stl_u(v,p)	(*(unsigned char *)(p)) = (v); \
-				(*((unsigned char *)(p)+1)) = ((v) >> 8);  \
-				(*((unsigned char *)(p)+2)) = ((v) >> 16); \
-				(*((unsigned char *)(p)+3)) = ((v) >> 24)
-#    define stw_u(v,p)	(*(unsigned char *)(p)) = (v); \
-				(*((unsigned char *)(p)+1)) = ((v) >> 8)
-
-#    define mem_barrier()	eieio()
-#    define write_mem_barrier()	eieio()
-
 #elif defined(__arm__) && defined(__linux__)
 
-#define ldq_u(p)	(*((unsigned long  *)(p)))
-#define ldl_u(p)	(*((unsigned int   *)(p)))
-#define ldw_u(p)	(*((unsigned short *)(p)))
-#define stq_u(v,p)	(*(unsigned long  *)(p)) = (v)
-#define stl_u(v,p)	(*(unsigned int   *)(p)) = (v)
-#define stw_u(v,p)	(*(unsigned short *)(p)) = (v)
-#define mem_barrier()   /* NOP */
-#define write_mem_barrier()   /* NOP */
-
 /* 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. */
@@ -1306,27 +1001,8 @@ xf_outl(unsigned short port, unsigned int val)
 #define outw xf_outw
 #define outl xf_outl
 
-#define arm_flush_cache(addr)						\
-do {									\
-  register unsigned long _beg __asm ("a1") = (unsigned long) (addr);	\
-  register unsigned long _end __asm ("a2") = (unsigned long) (addr) + 4;\
-  register unsigned long _flg __asm ("a3") = 0;				\
-  __asm __volatile ("swi 0x9f0002		@ sys_cacheflush"	\
-    : "=r" (_beg)							\
-    : "0" (_beg), "r" (_end), "r" (_flg));				\
-} while (0)
-
 #   else /* ix86 */
 
-#    define ldq_u(p)	(*((unsigned long  *)(p)))
-#    define ldl_u(p)	(*((unsigned int   *)(p)))
-#    define ldw_u(p)	(*((unsigned short *)(p)))
-#    define stq_u(v,p)	(*(unsigned long  *)(p)) = (v)
-#    define stl_u(v,p)	(*(unsigned int   *)(p)) = (v)
-#    define stw_u(v,p)	(*(unsigned short *)(p)) = (v)
-#    define mem_barrier()   /* NOP */
-#    define write_mem_barrier()   /* NOP */
-
 #    if !defined(__SUNPRO_C)
 #    if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__)
 #     ifdef GCCUSESGAS
@@ -1508,41 +1184,31 @@ inl(unsigned short port)
 #     pragma asm partial_optimization inw
 #     pragma asm partial_optimization inb
 #    endif
-#   define ldq_u(p)	(*((unsigned long  *)(p)))
-#   define ldl_u(p)	(*((unsigned int   *)(p)))
-#   define ldw_u(p)	(*((unsigned short *)(p)))
-#   define stq_u(v,p)	(*(unsigned long  *)(p)) = (v)
-#   define stl_u(v,p)	(*(unsigned int   *)(p)) = (v)
-#   define stw_u(v,p)	(*(unsigned short *)(p)) = (v)
-#   define mem_barrier()   /* NOP */
-#   define write_mem_barrier()   /* NOP */
 #  endif /* __GNUC__ */
 
 # endif /* NO_INLINE */
 
 # ifdef __alpha__
 /* entry points for Mmio memory access routines */
-extern int (*xf86ReadMmio8)(void *, unsigned long);
-extern int (*xf86ReadMmio16)(void *, unsigned long);
+extern _X_EXPORT int (*xf86ReadMmio8)(void *, unsigned long);
+extern _X_EXPORT int (*xf86ReadMmio16)(void *, unsigned long);
 #  ifndef STANDALONE_MMIO
-extern int (*xf86ReadMmio32)(void *, unsigned long);
+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)
 {
-	__asm__ __volatile__("mb"  : : : "memory");
+	mem_barrier();
 	return *(volatile unsigned int*)((unsigned long)Base+(Offset));
 }
 #  endif
-extern void (*xf86WriteMmio8)(int, void *, unsigned long);
-extern void (*xf86WriteMmio16)(int, void *, unsigned long);
-extern void (*xf86WriteMmio32)(int, void *, unsigned long);
-extern void (*xf86WriteMmioNB8)(int, void *, unsigned long);
-extern void (*xf86WriteMmioNB16)(int, void *, unsigned long);
-extern void (*xf86WriteMmioNB32)(int, void *, unsigned long);
-extern void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
-extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
+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 */
@@ -1612,17 +1278,6 @@ extern void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
 #  define MMIO_MOVE32(base, offset, val) \
        xf86WriteMmio32Be(base, offset, (CARD32)(val))
 
-static __inline__ void ppc_flush_icache(char *addr)
-{
-	__asm__ volatile (
-		"dcbf 0,%0;" 
-		"sync;" 
-		"icbi 0,%0;" 
-		"sync;" 
-		"isync;" 
-		: : "r"(addr) : "memory");
-}
-
 # elif defined(__sparc__) || defined(sparc) || defined(__sparc)
  /*
   * Like powerpc, we provide byteswapping and no byteswapping functions
@@ -1685,18 +1340,4 @@ static __inline__ void ppc_flush_icache(char *addr)
 #  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 */