From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c | 127 +++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c (limited to 'xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c') diff --git a/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c b/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c new file mode 100644 index 000000000..5cd716823 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c @@ -0,0 +1,127 @@ +/******************************************************************************* + 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 +#include +#endif + +#include +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" +#include "compiler.h" + +static int really_slow_bcopy; + +_X_EXPORT void +xf86SetReallySlowBcopy(void) +{ + really_slow_bcopy = 1; +} + +#if defined(__i386__) || defined(__x86_64__) +static void xf86_really_slow_bcopy(unsigned char *src, unsigned char *dst, int len) +{ + while(len--) + { + *dst++ = *src++; + outb(0x80, 0x00); + } +} +#endif + +/* The outb() isn't needed on my machine, but who knows ... -- ost */ +_X_EXPORT void +xf86SlowBcopy(unsigned char *src, unsigned char *dst, int len) +{ +#if defined(__i386__) || defined(__x86_64__) + if (really_slow_bcopy) { + xf86_really_slow_bcopy(src, dst, len); + return; + } +#endif + while(len--) + *dst++ = *src++; +} + +#ifdef __alpha__ +/* + * The Jensen lacks dense memory, thus we have to address the bus via + * the sparse addressing scheme. Time critical code uses routines from + * BUSmemcpy.c + * + * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996 + */ + +#ifdef linux + +unsigned long _bus_base(void); + +#ifdef TEST_JENSEN_CODE /* define to test the Sparse addressing on a non-Jensen */ +#define SPARSE (5) +#else +#define SPARSE (7) +#endif + +#define isJensen() (!_bus_base()) + +#else + +#define isJensen() 0 +#define SPARSE 0 + +#endif + +_X_EXPORT void +xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count) +{ + if (isJensen()) + { + 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<