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| author | marha <marha@users.sourceforge.net> | 2009-09-09 05:23:48 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2009-09-09 05:23:48 +0000 |
| commit | 81f91c615982e50bb62708201569c33a3cd3d973 (patch) | |
| tree | 4f32ecc48a3b7b5e76642f3792338263c53879bd /xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c | |
| parent | b571a562410f565af2bdde52d9f7f9a23ffae04f (diff) | |
| parent | a915739887477b28d924ecc8417ee107d125bd6c (diff) | |
| download | vcxsrv-81f91c615982e50bb62708201569c33a3cd3d973.tar.gz vcxsrv-81f91c615982e50bb62708201569c33a3cd3d973.tar.bz2 vcxsrv-81f91c615982e50bb62708201569c33a3cd3d973.zip | |
svn merge https://vcxsrv.svn.sourceforge.net/svnroot/vcxsrv/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c | 56 |
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 |