diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/misc')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.S | 153 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c | 412 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/Delay.c | 39 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/IODelay.S | 53 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/IODelay.c | 24 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/Makefile.am | 23 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/Makefile.in | 663 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/PortIO.S | 57 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/SlowBcopy.S | 108 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/SlowBcopy.c | 127 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/xf86_IlHack.c | 16 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/misc/xf86_Util.c | 94 |
12 files changed, 1769 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.S b/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.S new file mode 100644 index 000000000..373723c7d --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.S @@ -0,0 +1,153 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/BUSmemcpy.s,v 1.2 1998/07/25 16:56:49 dawes Exp $ */ +/****************************************************************************** + Copyright 1993 by Glenn G. Lai + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 Glenn G. Lai not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +Glenn G. Lai DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +Glenn G. Lai +P.O. Box 4314 +Austin, Tx 78765 +(glenn@cs.utexas.edu) +8/9/93 +******************************************************************************/ +/* $XConsortium: BUSmemcpy.s /main/4 1996/02/21 17:39:34 kaleb $ */ + +/* + * Modified to use long-alignment of video memory rather than word-alignment + * to improve performance for LocalBus video cards. Function names changed + * from ISAToMem and MemToISA to BusToMem and MemToBus. + * + * David Dawes <dawes@XFree86.org>, 25 August 1993. + */ + + +#include "assyntax.h" + + FILE("BUSmemcpy.s") + + AS_BEGIN + +/* BusToMem copies from video memory to main memory + MemToBus copies from main memory to video memory + + void xf86BusToMem(unsigned char *dst, unsigned char *src, int len); + void xf86MemToBus(unsigned char *dst, unsigned char *src, int len); +*/ + +#define dst REGOFF(4,ESP) +#define src REGOFF(8,ESP) +#define len REGOFF(12,ESP) + + GLOBL GLNAME(xf86BusToMem) + GLOBL GLNAME(xf86MemToBus) + + SEG_DATA +copyright: + STRING("Copyright 8/9/1993 by Glenn G. Lai") + + SEG_TEXT + ALIGNTEXT4 +GLNAME(xf86BusToMem): + CLD + PUSH_L (ESI) + MOV_L (EDI, EDX) + + MOV_L (src, ESI) + MOV_L (dst, EDI) + MOV_L (len, ECX) + + CMP_L (CONST(7), ECX) + JC (quickBM) + + TEST_L (CONST(1), ESI) + JZ (BwM) + + MOVS_B + DEC_L (ECX) + +BwM: + TEST_L (CONST(2), ESI) + JZ (BlM) + + MOVS_W + DEC_L (ECX) + DEC_L (ECX) + +BlM: + MOV_L (ECX, EAX) + AND_L (CONST(3), EAX) + SHR_L (CONST(2), ECX) + REP + MOVS_L + MOV_L (EAX, ECX) +quickBM: + OR_L (ECX, ECX) + JZ (return) + REP + MOVS_B +return: + POP_L (ESI) + MOV_L (EDX, EDI) + RET +/************************/ + + ALIGNTEXT4 +GLNAME(xf86MemToBus): + CLD + PUSH_L (ESI) + MOV_L (EDI, EDX) + + MOV_L (src, ESI) + MOV_L (dst, EDI) + MOV_L (len, ECX) + + CMP_L (CONST(7), ECX) + JC (quickMB) + + TEST_L (CONST(1), EDI) + JZ (MwB) + + MOVS_B + DEC_L (ECX) + +MwB: + TEST_L (CONST(2), EDI) + JZ (MlB) + + MOVS_W + DEC_L (ECX) + DEC_L (ECX) + +MlB: + MOV_L (ECX, EAX) + AND_L (CONST(3), EAX) + SHR_L (CONST(2), ECX) + REP + MOVS_L + MOV_L (EAX, ECX) +quickMB: + OR_L (ECX, ECX) + JZ (return) + REP + MOVS_B + + POP_L (ESI) + MOV_L (EDX, EDI) + RET + diff --git a/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c b/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c new file mode 100644 index 000000000..b482b867a --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/BUSmemcpy.c @@ -0,0 +1,412 @@ + +/**************************************************************************** + + For Alpha Linux, BusToMem() and MemToBus() can be simply memcpy(), BUT: + we need to prevent unaligned operations when accessing DENSE space on the BUS, + as the video memory is mmap'd that way. The below code does this. + +NOTE: we could simply use the "memcpy()" from LIBC here, but that, currently, is + not as fast. + +Thanks to Linus Torvalds for contributing this code. + +****************************************************************************/ + + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +#ifdef __alpha__ + +#include "compiler.h" + +/* + * The Jensen lacks dense memory, thus we have to address the bus via + * the sparse addressing scheme. These routines are only used in s3im.c + * Non time critical code uses SlowBCopy_{from/to} bus. + * + * Martin Ostermann (ost@comnets.rwth-aachen.de) - Apr.-Sep. 1996 + */ + +#ifdef TEST_JENSEN_CODE /* define to test the Sparse addressing on a non-Jensen */ +#define LWORD_CODING (0x18) +#define SPARSE (5) +#else +#define LWORD_CODING (0x60) +#define SPARSE (7) +#endif + +void +xf86JensenMemToBus(char *Base, long dst, long src, int count) +{ + if( ((long)src^((long)dst)) & 3) { + /* src & dst are NOT aligned to each other */ + unsigned long addr; + unsigned long low_word, high_word,last_read; + long rm,loop; + unsigned long tmp,org,org2,mask,src_org,count_org; + + src_org=src; + count_org=count; + + /* add EISA longword coding and round off*/ + addr = (long)(Base+(dst<<SPARSE) + LWORD_CODING) & ~(3<<SPARSE); + rm = (long)dst & 3; + count += rm; + + count = count_org + rm; + org = *(volatile unsigned int *)addr; + __asm__("ldq_u %0,%1" + :"=r" (low_word):"m" (*(unsigned long *)(src_org))); + src = src_org - rm; + if( count > 4 ) { + last_read = src_org+count_org - 1; + __asm__("ldq_u %0,%1" + :"=r" (high_word):"m" (*(unsigned long *)(src+4))); + __asm__("extll %1,%2,%0" + :"=r" (low_word) + :"r" (low_word), "r" ((unsigned long)(src))); + __asm__("extlh %1,%2,%0" + :"=r" (tmp) + :"r" (high_word), "r" ((unsigned long)(src))); + tmp |= low_word; + src += 4; + __asm__("mskqh %1,%2,%0" + :"=r" (tmp) + :"r" (tmp), "r" (rm)); + __asm__("mskql %1,%2,%0" + :"=r" (org2) + :"r" (org), "r" (rm)); + tmp |= org2; + + loop = (count-4) >> 2; /* loop eqv. count>=4 ; count -= 4 */ + while (loop) { + /* tmp to be stored completly -- need to read next word*/ + low_word = high_word; + *(volatile unsigned int *) (addr) = tmp; + __asm__("ldq_u %0,%1" + :"=r" (high_word):"m" (*(unsigned long*)(src+4))); + loop --; + __asm__("extll %1,%2,%0" + :"=r" (low_word) + :"r" (low_word), "r" ((unsigned long)src)); + __asm__("extlh %1,%2,%0" + :"=r" (tmp) + :"r" (high_word), "r" ((unsigned long)src)); + src += 4; + tmp |= low_word; + addr += 4<<SPARSE; + } + if ( count & 3 ) { + /* Store tmp completly, and possibly read one more word.*/ + *(volatile unsigned int *) (addr) = tmp; + __asm__("ldq_u %0,%1" + :"=r" (tmp):"m" (*((unsigned long *)(last_read)) )); + addr += 4<<SPARSE; + __asm__("extll %1,%2,%0" + :"=r" (low_word) + :"r" (high_word), "r" ((unsigned long)src)); + __asm__("extlh %1,%2,%0" + :"=r" (tmp) + :"r" (tmp), "r" ((unsigned long)src)); + tmp |= low_word; + org = *(volatile unsigned int *)addr; + + __asm__("mskql %1,%2,%0" + :"=r" (tmp) + :"r" (tmp), "r" (count&3)); + __asm__("mskqh %1,%2,%0" + :"=r" (org) + :"r" (org), "r" (count&3)); + + tmp |= org; + } + *(volatile unsigned int *) (addr) = tmp; + return; + } else { /* count > 4 */ + __asm__("ldq_u %0,%1" + :"=r" (high_word):"m" (*(unsigned long *)(src+4))); + __asm__("extll %1,%2,%0" + :"=r" (low_word) + :"r" (low_word), "r" ((unsigned long)(src))); + __asm__("extlh %1,%2,%0" + :"=r" (tmp) + :"r" (high_word), "r" ((unsigned long)(src))); + tmp |= low_word; + if( count < 4 ) { + + mask = -1; + __asm__("mskqh %1,%2,%0" + :"=r" (mask) + :"r" (mask), "r" (rm)); + __asm__("mskql %1,%2,%0" + :"=r" (mask) + :"r" (mask), "r" (count)); + tmp = (tmp & mask) | (org & ~mask); + *(volatile unsigned int *) (addr) = tmp; + return; + } else { + __asm__("mskqh %1,%2,%0" + :"=r" (tmp) + :"r" (tmp), "r" (rm)); + __asm__("mskql %1,%2,%0" + :"=r" (org2) + :"r" (org), "r" (rm)); + + tmp |= org2; + *(volatile unsigned int *) (addr) = tmp; + return; + } + } + } else { /* src & dst are aligned to each other */ + unsigned long addr; + unsigned int tmp,org,rm; + unsigned int *src_r; + + /* add EISA longword coding and round off*/ + addr = (long)(Base+(dst<<SPARSE) + LWORD_CODING) & ~(3<<SPARSE); + + src_r = (unsigned int*)((long)src & ~3L); + rm=(long)src & 3; + count += rm; + + tmp = *src_r; + org = *(volatile unsigned int *)addr; + + __asm__("mskqh %1,%2,%0" + :"=r" (tmp) + :"r" (tmp), "r" (rm)); + __asm__("mskql %1,%2,%0" + :"=r" (org) + :"r" (org), "r" (rm)); + + tmp |= org; + + while (count > 4) { + *(volatile unsigned int *) addr = tmp; + addr += 4<<SPARSE; + src_r += 1; + tmp = *src_r; + count -= 4; + } + + org = *(volatile unsigned int *)addr; + __asm__("mskql %1,%2,%0" + :"=r" (tmp) + :"r" (tmp), "r" (count)); + __asm__("mskqh %1,%2,%0" + :"=r" (org) + :"r" (org), "r" (count)); + tmp |= org; + *(volatile unsigned int *) (addr) = tmp; + } +} + +void +xf86JensenBusToMem(char *Base, char *dst, unsigned long src, int count) +{ +#if 0 + /* Optimization of BusToMem() is left as an exercise to the reader ;-) + * Consider that ldq_u/extlh/extll won't work because of the bus being + * only 4 bytes wide! + */ +#else + unsigned long addr; + long result; + + addr = (unsigned long)(Base+(src<<SPARSE)) ; + while( addr & (3<<SPARSE) ){ + if(count <= 0) return; + result = *(volatile int *) addr; + result >>= ((addr>>SPARSE) & 3) * 8; + *dst++ = (char) result; + addr += 1<<SPARSE; + count--; + } + count -=4; + while(count >= 0){ + int i; + + result = *(volatile int *) (addr+LWORD_CODING); + for(i=4;i--;) { + *dst++ = (char) result; + result >>= 8; + } + addr += 4<<SPARSE; + count -= 4; + } + count +=4; + + while( count ){ + result = *(volatile int *) addr; + result >>= ((addr>>SPARSE) & 3) * 8; + *dst++ = (char) result; + addr += 1<<SPARSE; + count--; + } +#endif +} + + +static unsigned long __memcpy(unsigned long dest, unsigned long src, int n); + +_X_EXPORT void +xf86BusToMem(unsigned char *dst, unsigned char *src, int len) +{ + __memcpy((unsigned long)dst, (unsigned long)src, len); +} +_X_EXPORT void +xf86MemToBus(unsigned char *dst, unsigned char *src, int len) +{ + if (len == sizeof(int)) + if (!(((long)src | (long)dst) & 3)) + *((unsigned int*)dst) = *((unsigned int*)(src)); + else { + int i; + if (((long)src) & 3) + i = ldl_u((unsigned int*)src); + else + i = *(unsigned int*)src; + if (((long)dst) & 3) + stl_u(i,(unsigned int*)dst); + else + *(unsigned int*)dst = i; + } + else + __memcpy((unsigned long)dst, (unsigned long)src, len); +} + +/* + * linux/arch/alpha/lib/memcpy.c + * + * Copyright (C) 1995 Linus Torvalds, used with his permission. + */ + +/* + * This is a reasonably optimized memcpy() routine. + */ + +/* + * Note that the C code is written to be optimized into good assembly. However, + * at this point gcc is unable to sanely compile "if (n >= 0)", resulting in a + * explicit compare against 0 (instead of just using the proper "blt reg, xx" or + * "bge reg, xx"). I hope alpha-gcc will be fixed to notice this eventually.. + */ + +/* + * This should be done in one go with ldq_u*2/mask/stq_u. Do it + * with a macro so that we can fix it up later.. + */ +#define ALIGN_DEST_TO8(d,s,n) \ + while (d & 7) { \ + if (n <= 0) return; \ + n--; \ + *(char *) d = *(char *) s; \ + d++; s++; \ + } + +/* + * This should similarly be done with ldq_u*2/mask/stq. The destination + * is aligned, but we don't fill in a full quad-word + */ +#define DO_REST(d,s,n) \ + while (n > 0) { \ + n--; \ + *(char *) d = *(char *) s; \ + d++; s++; \ + } + +/* + * This should be done with ldq/mask/stq. The source and destination are + * aligned, but we don't fill in a full quad-word + */ +#define DO_REST_ALIGNED(d,s,n) DO_REST(d,s,n) + +/* + * This does unaligned memory copies. We want to avoid storing to + * an unaligned address, as that would do a read-modify-write cycle. + * We also want to avoid double-reading the unaligned reads. + * + * Note the ordering to try to avoid load (and address generation) latencies. + */ +static __inline__ void __memcpy_unaligned(unsigned long d, unsigned long s, long n) +{ + ALIGN_DEST_TO8(d,s,n); + n -= 8; /* to avoid compare against 8 in the loop */ + if (n >= 0) { + unsigned long low_word, high_word; + __asm__("ldq_u %0,%1":"=r" (low_word):"m" (*(unsigned long *) s)); + do { + unsigned long tmp; + __asm__("ldq_u %0,%1":"=r" (high_word):"m" (*(unsigned long *)(s+8))); + n -= 8; + __asm__("extql %1,%2,%0" + :"=r" (low_word) + :"r" (low_word), "r" (s)); + __asm__("extqh %1,%2,%0" + :"=r" (tmp) + :"r" (high_word), "r" (s)); + s += 8; + *(unsigned long *) d = low_word | tmp; + d += 8; + low_word = high_word; + } while (n >= 0); + } + n += 8; + DO_REST(d,s,n); +} + +/* + * Hmm.. Strange. The __asm__ here is there to make gcc use a integer register + * for the load-store. I don't know why, but it would seem that using a floating + * point register for the move seems to slow things down (very small difference, + * though). + * + * Note the ordering to try to avoid load (and address generation) latencies. + */ +static __inline__ void __memcpy_aligned(unsigned long d, unsigned long s, long n) +{ + ALIGN_DEST_TO8(d,s,n); + n -= 8; + while (n >= 0) { + unsigned long tmp; + __asm__("ldq %0,%1":"=r" (tmp):"m" (*(unsigned long *) s)); + n -= 8; + s += 8; + *(unsigned long *) d = tmp; + d += 8; + } + n += 8; + DO_REST_ALIGNED(d,s,n); +} + +static unsigned long __memcpy(unsigned long dest, unsigned long src, int n) +{ + if (!((dest ^ src) & 7)) { + __memcpy_aligned(dest, src, n); + return dest; + } + __memcpy_unaligned(dest, src, n); + return dest; +} + +#else /* __alpha__ */ + +void +xf86BusToMem(unsigned char *dst, unsigned char *src, int len) +{ + memcpy(dst, src, len); +} +void +xf86MemToBus(unsigned char *dst, unsigned char *src, int len) +{ + memcpy(dst, src, len); +} + +#endif /* __alpha__ */ diff --git a/xorg-server/hw/xfree86/os-support/misc/Delay.c b/xorg-server/hw/xfree86/os-support/misc/Delay.c new file mode 100644 index 000000000..b18789a3a --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/Delay.c @@ -0,0 +1,39 @@ +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +#include <time.h> + +_X_EXPORT void +xf86UDelay(long usec) +{ +#if 0 + struct timeval start, interrupt; +#else + int sigio; + + sigio = xf86BlockSIGIO(); + usleep(usec); + xf86UnblockSIGIO(sigio); +#endif + +#if 0 + gettimeofday(&start,NULL); + + do { + usleep(usec); + gettimeofday(&interrupt,NULL); + + if ((usec = usec - (interrupt.tv_sec - start.tv_sec) * 1000000 + - (interrupt.tv_usec - start.tv_usec)) < 0) + break; + start = interrupt; + } while (1); +#endif +} + diff --git a/xorg-server/hw/xfree86/os-support/misc/IODelay.S b/xorg-server/hw/xfree86/os-support/misc/IODelay.S new file mode 100644 index 000000000..4c6e32f3f --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/IODelay.S @@ -0,0 +1,53 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/IODelay.S,v 1.1 1999/07/10 07:24:50 dawes Exp $ */ +/******************************************************************************* + Copyright 1994 by Glenn G. Lai + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyr notice appear in all copies and that +both that copyr notice and this permission notice appear in +supporting documentation, and that the name of Glenn G. Lai not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +Glenn G. Lai DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +Glenn G. Lai +P.O. Box 4314 +Austin, Tx 78765 +glenn@cs.utexas.edu) +7/21/94 +*******************************************************************************/ +/* $XConsortium: IODelay.s /main/4 1996/02/21 17:40:21 kaleb $ */ + +/* + * All we really need is a delay of about 40ns for I/O recovery for just + * about any occasion, but we'll be more conservative here: On a + * 100-MHz CPU, produce at least a delay of 1,000ns. + */ + +#include "assyntax.h" + + FILE("DACDelay.s") + + AS_BEGIN + + GLOBL GLNAME(xf86IODelay) + + SEG_TEXT + ALIGNTEXT4 +GLNAME(xf86IODelay): + MOV_L (CONST(100), EAX) +delay_it: + DEC_L (EAX) + JNE (delay_it) + RET + diff --git a/xorg-server/hw/xfree86/os-support/misc/IODelay.c b/xorg-server/hw/xfree86/os-support/misc/IODelay.c new file mode 100644 index 000000000..e4422f234 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/IODelay.c @@ -0,0 +1,24 @@ +/******************************************************************************* + Stub for Alpha Linux +*******************************************************************************/ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include "xf86.h" +#include "xf86Priv.h" +#include "xf86_OSlib.h" + +/* + * All we really need is a delay of about 40ns for I/O recovery for just + * about any occasion, but we'll be more conservative here: On a + * 100-MHz CPU, produce at least a delay of 1,000ns. + */ +_X_EXPORT void +xf86IODelay() +{ + xf86UDelay(1); +} + diff --git a/xorg-server/hw/xfree86/os-support/misc/Makefile.am b/xorg-server/hw/xfree86/os-support/misc/Makefile.am new file mode 100644 index 000000000..65fbe92b4 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/Makefile.am @@ -0,0 +1,23 @@ +# FIXME: Add the *.S files to build when applicable +I386_SRCS = BUSmemcpy.S IODelay.S SlowBcopy.S +OTHER_SRCS = BUSmemcpy.c IODelay.c SlowBcopy.c + +ARCH_SRCS = $(OTHER_SRCS) + +# FIXME: Add to the build (NeedPortIO) +PORTIO_SRCS = PortIO.S + +# FIXME: Add to the build (if HasGcc || HasGcc2) +ILHACK_SRCS = xf86_IlHack.c + +noinst_LTLIBRARIES = libmisc.la + +libmisc_la_SOURCES = xf86_Util.c Delay.c $(ARCH_SRCS) + +#AM_LDFLAGS = -r + +INCLUDES = $(XORG_INCS) + +AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS) + +EXTRA_DIST = $(I386_SRCS) $(PORTIO_SRCS) $(ILHACK_SRCS) diff --git a/xorg-server/hw/xfree86/os-support/misc/Makefile.in b/xorg-server/hw/xfree86/os-support/misc/Makefile.in new file mode 100644 index 000000000..19a94d7cc --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/Makefile.in @@ -0,0 +1,663 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = hw/xfree86/os-support/misc +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.ac 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at least) may be exceeded. +.NOEXPORT: diff --git a/xorg-server/hw/xfree86/os-support/misc/PortIO.S b/xorg-server/hw/xfree86/os-support/misc/PortIO.S new file mode 100644 index 000000000..75db31156 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/PortIO.S @@ -0,0 +1,57 @@ +/* $XFree86$ */ + +/* Port I/O functions for platforms with no inlining. */ + +#include "assyntax.h" + + FILE("PortIO.s") + + AS_BEGIN + + GLOBL GLNAME(outb) + GLOBL GLNAME(outw) + GLOBL GLNAME(outl) + GLOBL GLNAME(inb) + GLOBL GLNAME(inw) + GLOBL GLNAME(inl) + + SEG_TEXT + ALIGNTEXT4 +GLNAME(outb): + MOV_L (REGOFF(4,ESP), EDX) + MOV_L (REGOFF(8,ESP), EAX) + OUT_B + RET + + ALIGNTEXT4 +GLNAME(outw): + MOV_L (REGOFF(4,ESP), EDX) + MOV_L (REGOFF(8,ESP), EAX) + OUT_W + RET + + ALIGNTEXT4 +GLNAME(outl): + MOV_L (REGOFF(4,ESP), EDX) + MOV_L (REGOFF(8,ESP), EAX) + OUT_L + RET + + ALIGNTEXT4 +GLNAME(inb): + MOV_L (REGOFF(4,ESP), EDX) + IN_B + RET + + ALIGNTEXT4 +GLNAME(inw): + MOV_L (REGOFF(4,ESP), EDX) + IN_L + RET + + ALIGNTEXT4 +GLNAME(inl): + MOV_L (REGOFF(4,ESP), EDX) + IN_L + RET + diff --git a/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.S b/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.S new file mode 100644 index 000000000..9b6af1d69 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/SlowBcopy.S @@ -0,0 +1,108 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.S,v 1.1 1999/07/10 07:24:51 dawes Exp $ */ +/******************************************************************************* + Copyright 1994 by Glenn G. Lai + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyr notice appear in all copies and that +both that copyr notice and this permission notice appear in +supporting documentation, and that the name of Glenn G. Lai not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +Glenn G. Lai DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +Glenn G. Lai +P.O. Box 4314 +Austin, Tx 78765 +glenn@cs.utexas.edu) +7/21/94 +*******************************************************************************/ +/* $XConsortium: SlowBcopy.s /main/4 1996/02/21 17:40:52 kaleb $ */ + +/* + * Modified from the output generated by GCC + * + * 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) + * + */ + +#include "assyntax.h" + + FILE("SlowBcopy.s") + + AS_BEGIN + +gcc2_compiled.: +___gnu_compiled_c: + + GLOBL GLNAME(xf86SlowBcopy) + + SEG_TEXT + ALIGNTEXT4 +GLNAME(xf86SlowBcopy): + PUSH_L (EBP) + MOV_L (ESP,EBP) + PUSH_L (ESI) + PUSH_L (EBX) + MOV_L (REGOFF(8,EBP),ECX) + MOV_L (REGOFF(12,EBP),EDX) + MOV_L (REGOFF(16,EBP),ESI) + XOR_L (EAX,EAX) + CMP_L (ESI,EAX) + JGE (L3) + + ALIGNTEXT4 +L5: + MOV_B (REGIND(ECX),BL) + + MOV_B (BL, BH) + MOV_B (BH, BL) + MOV_B (BL, BH) + MOV_B (BH, BL) + MOV_B (BL, BH) + MOV_B (BH, BL) + MOV_B (BL, BH) + MOV_B (BH, BL) + MOV_B (BL, BH) + MOV_B (BH, BL) + + MOV_B (BL,REGIND(EDX)) + + INC_L (ECX) + DEC_L (ECX) + INC_L (ECX) + DEC_L (ECX) + INC_L (ECX) + DEC_L (ECX) + INC_L (ECX) + DEC_L (ECX) + INC_L (ECX) + DEC_L (ECX) + + INC_L (ECX) + INC_L (EDX) + INC_L (EAX) + CMP_L (ESI,EAX) + JL (L5) +L3: + LEA_L (REGOFF(-8,EBP),ESP) + POP_L (EBX) + POP_L (ESI) + MOV_L (EBP,ESP) + POP_L (EBP) + RET + 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 <xorg-config.h> +#endif + +#include <X11/X.h> +#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<<SPARSE; + count--; + outb(0x80, 0x00); + } + } + else + xf86SlowBcopy(src,dst,count); +} + +_X_EXPORT void +xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count) +{ + if (isJensen()) + { + 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); + } + } + else + xf86SlowBcopy(src,dst,count); +} +#endif diff --git a/xorg-server/hw/xfree86/os-support/misc/xf86_IlHack.c b/xorg-server/hw/xfree86/os-support/misc/xf86_IlHack.c new file mode 100644 index 000000000..6c9871d93 --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/xf86_IlHack.c @@ -0,0 +1,16 @@ +/* + * This file is an incredible crock to get the normally-inline functions + * built into the server so that things can be debugged properly. + * + * Note: this doesn't work when using a compiler other than GCC. + */ + +#define static /**/ +#define __inline__ /**/ +#undef NO_INLINE +#define DO_PROTOTYPES +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "compiler.h" diff --git a/xorg-server/hw/xfree86/os-support/misc/xf86_Util.c b/xorg-server/hw/xfree86/os-support/misc/xf86_Util.c new file mode 100644 index 000000000..9e690591d --- /dev/null +++ b/xorg-server/hw/xfree86/os-support/misc/xf86_Util.c @@ -0,0 +1,94 @@ +/* + * Copyright 1993 by David Wexelblat <dwex@goblin.org> + * + * 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 David Wexelblat not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. David Wexelblat makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL DAVID WEXELBLAT 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. + * + */ + +/* + * This file is for utility functions that will be shared by other pieces + * of the system. Putting things here ensure that all the linking order + * dependencies are dealt with, as this library will be linked in last. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <ctype.h> + +/* To prevent empty source file warnings */ +int _xf86misc; + +#if 0 +/* For use only with gcc */ +#ifdef __GNUC__ + +#include "os.h" + +char * +debug_alloca(char *file, int line, int size) +{ + char *ptr; + + ptr = Xalloc(size); + ErrorF("Alloc: %s line %d; ptr = 0x%x, length = %d\n", file, line, + ptr, size); + return ptr; +} + +void +debug_dealloca(char *file, int line, char *ptr) +{ + ErrorF("Dealloc: %s line %d; ptr = 0x%x\n", file, line, ptr); + Xfree(ptr); +} +#endif +#endif + +#if defined(ISC) || defined(Lynx) + +#include <math.h> + +/* Needed for apm_driver.c */ +/* These functions are modeled after the functions inside gnu's libc */ + +static double +copysign(double x, double y) +{ + x = fabs(x); + return y < 0 ? - x : x; +} + +double +RInt(double x) +{ + double s,t; + const double one = 1.0; + const static double L = 4503599627370496.0E0; + + if (x!=x) + return(x); + if (copysign(x,one) >= L) + return(x); + s = copysign(L,x); + t = x + s; + return (t - s); +} +#endif |