From b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Mon, 2 Feb 2015 15:02:49 +0100 Subject: massive reduction of unneeded files --- .../hw/xfree86/os-support/sysv/sysv_video.c | 369 --------------------- 1 file changed, 369 deletions(-) delete mode 100644 nx-X11/programs/Xserver/hw/xfree86/os-support/sysv/sysv_video.c (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/sysv/sysv_video.c') diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/sysv/sysv_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/sysv/sysv_video.c deleted file mode 100644 index e8c26dada..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/sysv/sysv_video.c +++ /dev/null @@ -1,369 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sysv/sysv_video.c,v 3.20tsi Exp $ */ -/* - * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany - * Copyright 1993 by David Wexelblat - * - * 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 names of Thomas Roell and David Wexelblat - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Thomas Roell and - * David Wexelblat makes no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * THOMAS ROELL AND DAVID WEXELBLAT DISCLAIMS ALL WARRANTIES WITH REGARD TO - * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THOMAS ROELL OR 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. - * - */ -/* $XConsortium: sysv_video.c /main/8 1996/10/25 11:38:09 kaleb $ */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include - -#define _NEED_SYSI86 -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" -#include "xf86OSpriv.h" - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)-1) -#endif - -#ifndef SI86IOPL -#define SET_IOPL() sysi86(SI86V86,V86SC_IOPL,PS_IOPL) -#define RESET_IOPL() sysi86(SI86V86,V86SC_IOPL,0) -#else -#define SET_IOPL() sysi86(SI86IOPL,3) -#define RESET_IOPL() sysi86(SI86IOPL,0) -#endif - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -/* - * XXX Support for SVR3 will need to be reworked if needed. In particular - * the Region parameter is no longer passed, and will need to be dealt - * with internally if required. - * OK, i'll rework that thing ... (clean it up a lot) - * SVR3 Support only with SVR3_MMAPDRV (mr) - * - */ - -#ifdef HAS_SVR3_MMAPDRV -#ifndef MMAP_DEBUG -#define MMAP_DEBUG 3 -#endif - -struct kd_memloc MapDSC; -int mmapFd = -2; - -static int -mmapStat(pointer Base, unsigned long Size) { - - int nmmreg,i=0,region=-1; - mmapinfo_t *ibuf; - - nmmreg = ioctl(mmapFd, GETNMMREG); - - if(nmmreg <= 0) - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "\nNo physical memory mapped currently.\n\n"); - else { - if((ibuf = (mmapinfo_t *)malloc(nmmreg*sizeof(mmapinfo_t))) == NULL) - xf86Msg(X_WARNING, - "Couldn't allocate memory 4 mmapinfo_t\n"); - else { - if(ioctl(mmapFd, GETMMREG, ibuf) != -1) - { - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "# mmapStat: [Size=%x,Base=%x]\n", Size, Base); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "# Physical Address Size Reference Count\n"); - for(i = 0; i < nmmreg; i++) { - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "%-4d 0x%08X %5dk %5d ", - i, ibuf[i].physaddr, ibuf[i].length/1024, ibuf[i].refcnt); - if (ibuf[i].physaddr == Base || ibuf[i].length == Size ) { - xf86MsgVerb(X_INFO, MMAP_DEBUG,"MATCH !!!"); - if (region==-1) region=i; - } - xf86ErrorFVerb(MMAP_DEBUG, "\n"); - } - xf86ErrorFVerb(MMAP_DEBUG, "\n"); - } - free(ibuf); - } - } - if (region == -1 && nmmreg > 0) region=region * i; - return(region); -} -#endif - - -static Bool -linearVidMem() -{ -#ifdef SVR4 - return TRUE; -#elif defined(HAS_SVR3_MMAPDRV) - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "# xf86LinearVidMem: MMAP 2.2.2 called\n"); - - if(mmapFd >= 0) return TRUE; - - if ((mmapFd = open("/dev/mmap", O_RDWR)) != -1) - { - if(ioctl(mmapFd, GETVERSION) < 0x0222) { - xf86Msg(X_WARNING, - "xf86LinearVidMem: MMAP 2.2.2 or above required\n"); - xf86ErrorF("\tlinear memory access disabled\n"); - return FALSE; - } - return TRUE; - } - xf86Msg(X_WARNING, "xf86LinearVidMem: failed to open /dev/mmap (%s)\n", - strerror(errno)); - xf86ErrorF("\tlinear memory access disabled\n"); - return FALSE; -#endif -} - -static pointer -mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - pointer base; - int fd; - -#if defined(SVR4) - fd = open(DEV_MEM, (flags & VIDMEM_READONLY) ? O_RDONLY : O_RDWR); - if (fd < 0) - { - FatalError("xf86MapVidMem: failed to open %s (%s)\n", - DEV_MEM, strerror(errno)); - } - base = mmap((caddr_t)0, Size, - (flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_SHARED, fd, (off_t)Base); - close(fd); - if (base == MAP_FAILED) - { - FatalError("%s: Could not mmap framebuffer [s=%x,a=%x] (%s)\n", - "xf86MapVidMem", Size, Base, strerror(errno)); - } -#else /* SVR4 */ -#ifdef HAS_SVR3_MMAPDRV - - xf86MsgVerb(X_INFO, MMAP_DEBUG, "# xf86MapVidMem: MMAP 2.2.2 called\n"); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "MMAP_VERSION: 0x%x\n",ioctl(mmapFd, GETVERSION)); - if (ioctl(mmapFd, GETVERSION) == -1) - { - xf86LinearVidMem(); - } - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "MMAP_VERSION: 0x%x\n",ioctl(mmapFd, GETVERSION)); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "xf86MapVidMem: Screen: %d\n", ScreenNum); - mmapStat(Base,Size); - /* To force the MMAP driver to provide the address */ - base = (pointer)0; - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "xf86MapVidMem: [s=%x,a=%x]\n", Size, Base); - MapDSC.vaddr = (char *)base; - MapDSC.physaddr = (char *)Base; - MapDSC.length = Size; - MapDSC.ioflg = 1; - if(mmapFd >= 0) - { - if((base = (pointer)ioctl(mmapFd, MAP, &MapDSC)) == (pointer)-1) - { - FatalError("%s: Could not mmap framebuffer [s=%x,a=%x] (%s)\n", - "xf86MapVidMem", Size, Base, strerror(errno)); - /* NOTREACHED */ - } - - /* Next time we want the same address! */ - MapDSC.vaddr = (char *)base; - } - - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "MapDSC.vaddr : 0x%x\n", MapDSC.vaddr); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "MapDSC.physaddr: 0x%x\n", MapDSC.physaddr); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "MapDSC.length : %d\n", MapDSC.length); - mmapStat(Base,Size); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "xf86MapVidMem: [s=%x,a=%x,b=%x]\n", Size, Base, base); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "xf86MapVidMem: SUCCEED Mapping FrameBuffer \n"); -#endif /* HAS_SVR3_MMAPDRV */ -#endif /* SVR4 */ - return(base); -} - -/* ARGSUSED */ -static void -unmapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ -#if defined (SVR4) - munmap(Base, Size); -#else /* SVR4 */ -#ifdef HAS_SVR3_MMAPDRV - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "# xf86UnMapVidMem: UNMapping FrameBuffer\n"); - mmapStat(Base,Size); - ioctl(mmapFd, UNMAPRM , Base); - mmapStat(Base,Size); - xf86MsgVerb(X_INFO, MMAP_DEBUG, - "# xf86UnMapVidMem: Screen: %d [v=%x]\n", ScreenNum, Base); -#endif /* HAS_SVR3_MMAPDRV */ -#endif /* SVR4 */ - return; -} - -#if defined(SVR4) && defined(i386) && !defined(sun) -/* - * For some SVR4 versions, a 32-bit read is done for the first location - * in each page when the page is first mapped. If this is done while - * memory access is enabled for regions that have read side-effects, - * this can cause unexpected results, including lockups on some hardware. - * This function is called to make sure each page is mapped while it is - * safe to do so. - */ - -/* - * XXX Should get this the correct way (see os/xalloc.c), but since this is - * for one platform I'll be lazy. - */ -#define X_PAGE_SIZE 4096 - -static void -readSideEffects(int ScreenNum, pointer Base, unsigned long Size) -{ - unsigned long base, end, addr; - CARD32 val; - - base = (unsigned long)Base; - end = base + Size; - - for (addr = base; addr < end; addr += X_PAGE_SIZE) - val = *(volatile CARD32 *)addr; -} -#endif - -void -xf86OSInitVidMem(VidMemInfoPtr pVidMem) -{ - pVidMem->linearSupported = linearVidMem(); - pVidMem->mapMem = mapVidMem; - pVidMem->unmapMem = unmapVidMem; -#if defined(SVR4) && defined(i386) && !defined(sun) - pVidMem->readSideEffects = readSideEffects; -#endif - pVidMem->initialised = TRUE; -} - -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -static Bool ExtendedEnabled = FALSE; -static Bool InitDone = FALSE; - -Bool -xf86EnableIO() -{ - int i; - - if (ExtendedEnabled) - return TRUE; - - if (SET_IOPL() < 0) - { - xf86Msg(X_WARNING, - "xf86EnableIO: Failed to set IOPL for extended I/O\n"); - return FALSE; - } - ExtendedEnabled = TRUE; - - return TRUE; -} - -void -xf86DisableIO() -{ - if (!ExtendedEnabled) - return; - - RESET_IOPL(); - ExtendedEnabled = FALSE; - - return; -} - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -Bool -xf86DisableInterrupts() -{ - if (!ExtendedEnabled) - { - if (SET_IOPL() < 0) - { - return(FALSE); - } - } - -#ifdef __GNUC__ - __asm__ __volatile__("cli"); -#else - asm("cli"); -#endif /* __GNUC__ */ - - if (!ExtendedEnabled) - { - RESET_IOPL(); - } - return(TRUE); -} - -void -xf86EnableInterrupts() -{ - if (!ExtendedEnabled) - { - if (SET_IOPL() < 0) - { - return; - } - } - -#ifdef __GNUC__ - __asm__ __volatile__("sti"); -#else - asm("sti"); -#endif /* __GNUC__ */ - - if (!ExtendedEnabled) - { - RESET_IOPL(); - } - return; -} -- cgit v1.2.3