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authormarha <marha@users.sourceforge.net>2009-09-06 18:48:27 +0000
committermarha <marha@users.sourceforge.net>2009-09-06 18:48:27 +0000
commita915739887477b28d924ecc8417ee107d125bd6c (patch)
treec02f315476b61892d1fd89182e18943dce8d6277 /xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c
parent6f25a23db1df27e992c34f6fd4c82e83c44fc2e2 (diff)
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Switched to xorg-server-1.6.99.900.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c')
-rw-r--r--xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c56
1 files changed, 2 insertions, 54 deletions
diff --git a/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c b/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c
index be69b9dd1..8a5017e52 100644
--- a/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c
+++ b/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c
@@ -1,15 +1,8 @@
-/*******************************************************************************
- for Alpha Linux
-*******************************************************************************/
-
/*
* Create a dependency that should be immune from the effect of register
* renaming as is commonly seen in superscalar processors. This should
* insert a minimum of 100-ns delays between reads/writes at clock rates
* up to 100 MHz---GGL
- *
- * Slowbcopy(char *src, char *dst, int count)
- *
*/
#ifdef HAVE_XORG_CONFIG_H
@@ -24,7 +17,7 @@
static int really_slow_bcopy;
-_X_EXPORT void
+void
xf86SetReallySlowBcopy(void)
{
really_slow_bcopy = 1;
@@ -42,7 +35,7 @@ static void xf86_really_slow_bcopy(unsigned char *src, unsigned char *dst, int l
#endif
/* The outb() isn't needed on my machine, but who knows ... -- ost */
-_X_EXPORT void
+void
xf86SlowBcopy(unsigned char *src, unsigned char *dst, int len)
{
#if defined(__i386__) || defined(__amd64__)
@@ -54,48 +47,3 @@ xf86SlowBcopy(unsigned char *src, unsigned char *dst, int len)
while(len--)
*dst++ = *src++;
}
-
-#ifdef __alpha__
-
-#ifdef linux
-
-#define SPARSE (7)
-
-#else
-
-#define SPARSE 0
-
-#endif
-
-_X_EXPORT void
-xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count)
-{
- unsigned long addr;
- long result;
-
- addr = (unsigned long) src;
- while( count ){
- result = *(volatile int *) addr;
- result >>= ((addr>>SPARSE) & 3) * 8;
- *dst++ = (unsigned char) (0xffUL & result);
- addr += 1<<SPARSE;
- count--;
- outb(0x80, 0x00);
- }
-}
-
-_X_EXPORT void
-xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count)
-{
- unsigned long addr;
-
- addr = (unsigned long) dst;
- while(count) {
- *(volatile unsigned int *) addr = (unsigned short)(*src) * 0x01010101;
- src++;
- addr += 1<<SPARSE;
- count--;
- outb(0x80, 0x00);
- }
-}
-#endif