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 --- .../Xserver/hw/xfree86/os-support/bsd/i386_video.c | 999 --------------------- 1 file changed, 999 deletions(-) delete mode 100644 nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/i386_video.c (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/i386_video.c') diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/i386_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/i386_video.c deleted file mode 100644 index 3f4cdb010..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsd/i386_video.c +++ /dev/null @@ -1,999 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsd/i386_video.c,v 1.4 2003/09/24 02:43:34 dawes Exp $ */ -/* - * Copyright 1992 by Rich Murphey - * 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 Rich Murphey and David Wexelblat - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Rich Murphey and - * David Wexelblat make no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO - * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL RICH MURPHEY 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: bsd_video.c /main/10 1996/10/25 11:37:57 kaleb $ */ - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include "xf86.h" -#include "xf86Priv.h" - -#include -#include - -#ifdef HAS_MTRR_SUPPORT -#ifndef __NetBSD__ -#include -#include -#else -#include "memrange.h" -#endif -#define X_MTRR_ID "XFree86" -#endif - -#if defined(HAS_MTRR_BUILTIN) && defined(__NetBSD__) -#include -#include -#include -#endif - -#if defined(__OpenBSD__) && defined(__amd64__) -#include -#include -#endif - -#include "xf86_OSlib.h" -#include "xf86OSpriv.h" - -#if defined(__NetBSD__) && !defined(MAP_FILE) -#define MAP_FLAGS MAP_SHARED -#else -#define MAP_FLAGS (MAP_FILE | MAP_SHARED) -#endif - -#ifndef MAP_FAILED -#define MAP_FAILED ((caddr_t)-1) -#endif - -#ifdef __OpenBSD__ -#define SYSCTL_MSG "\tCheck that you have set 'machdep.allowaperture=1'\n"\ - "\tin /etc/sysctl.conf and reboot your machine\n" \ - "\trefer to xf86(4) for details" -#define SYSCTL_MSG2 \ - "Check that you have set 'machdep.allowaperture=2'\n" \ - "\tin /etc/sysctl.conf and reboot your machine\n" \ - "\trefer to xf86(4) for details" -#endif - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -static Bool useDevMem = FALSE; -static int devMemFd = -1; - -#ifdef HAS_APERTURE_DRV -#define DEV_APERTURE "/dev/xf86" -#endif -#define DEV_MEM "/dev/mem" - -static pointer mapVidMem(int, unsigned long, unsigned long, int); -static void unmapVidMem(int, pointer, unsigned long); - -#ifdef HAS_MTRR_SUPPORT -static pointer setWC(int, unsigned long, unsigned long, Bool, MessageType); -static void undoWC(int, pointer); -static Bool cleanMTRR(void); -#endif -#if defined(HAS_MTRR_BUILTIN) && defined(__NetBSD__) -static pointer NetBSDsetWC(int, unsigned long, unsigned long, Bool, - MessageType); -static void NetBSDundoWC(int, pointer); -#endif -#if defined(__amd64__) && defined(__OpenBSD__) -static pointer amd64setWC(int, unsigned long, unsigned long, Bool, - MessageType); -static void amd64undoWC(int, pointer); -#endif - -/* - * Check if /dev/mem can be mmap'd. If it can't print a warning when - * "warn" is TRUE. - */ -static void -checkDevMem(Bool warn) -{ - static Bool devMemChecked = FALSE; - int fd; - pointer base; - - if (devMemChecked) - return; - devMemChecked = TRUE; - - if ((fd = open(DEV_MEM, O_RDWR)) >= 0) - { - /* Try to map a page at the VGA address */ - base = mmap((caddr_t)0, 4096, PROT_READ | PROT_WRITE, - MAP_FLAGS, fd, (off_t)0xA0000); - - if (base != MAP_FAILED) - { - munmap((caddr_t)base, 4096); - devMemFd = fd; - useDevMem = TRUE; - return; - } else { - /* This should not happen */ - if (warn) - { - xf86Msg(X_WARNING, "checkDevMem: failed to mmap %s (%s)\n", - DEV_MEM, strerror(errno)); - } - useDevMem = FALSE; - return; - } - } -#ifndef HAS_APERTURE_DRV - if (warn) - { - xf86Msg(X_WARNING, "checkDevMem: failed to open %s (%s)\n", - DEV_MEM, strerror(errno)); - } - useDevMem = FALSE; - return; -#else - /* Failed to open /dev/mem, try the aperture driver */ - if ((fd = open(DEV_APERTURE, O_RDWR)) >= 0) - { - /* Try to map a page at the VGA address */ - base = mmap((caddr_t)0, 4096, PROT_READ | PROT_WRITE, - MAP_FLAGS, fd, (off_t)0xA0000); - - if (base != MAP_FAILED) - { - munmap((caddr_t)base, 4096); - devMemFd = fd; - useDevMem = TRUE; - xf86Msg(X_INFO, "checkDevMem: using aperture driver %s\n", - DEV_APERTURE); - return; - } else { - - if (warn) - { - xf86Msg(X_WARNING, "checkDevMem: failed to mmap %s (%s)\n", - DEV_APERTURE, strerror(errno)); - } - } - } else { - if (warn) - { -#ifndef __OpenBSD__ - xf86Msg(X_WARNING, "checkDevMem: failed to open %s and %s\n" - "\t(%s)\n", DEV_MEM, DEV_APERTURE, strerror(errno)); -#else /* __OpenBSD__ */ - xf86Msg(X_WARNING, "checkDevMem: failed to open %s and %s\n" - "\t(%s)\n%s", DEV_MEM, DEV_APERTURE, strerror(errno), - SYSCTL_MSG); -#endif /* __OpenBSD__ */ - } - } - - useDevMem = FALSE; - return; - -#endif -} - -void -xf86OSInitVidMem(VidMemInfoPtr pVidMem) -{ - checkDevMem(TRUE); - pVidMem->linearSupported = useDevMem; - pVidMem->mapMem = mapVidMem; - pVidMem->unmapMem = unmapVidMem; - -#ifdef HAS_MTRR_SUPPORT - if (useDevMem) { - if (cleanMTRR()) { - pVidMem->setWC = setWC; - pVidMem->undoWC = undoWC; - } - } -#endif -#if defined(HAS_MTRR_BUILTIN) && defined(__NetBSD__) - pVidMem->setWC = NetBSDsetWC; - pVidMem->undoWC = NetBSDundoWC; -#endif -#if defined(__amd64__) && defined(__OpenBSD__) - pVidMem->setWC = amd64setWC; - pVidMem->undoWC = amd64undoWC; -#endif - pVidMem->initialised = TRUE; -} - -static pointer -mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int flags) -{ - pointer base; - - checkDevMem(FALSE); - - if (useDevMem) - { - if (devMemFd < 0) - { - FatalError("xf86MapVidMem: failed to open %s (%s)", - DEV_MEM, strerror(errno)); - } - base = mmap((caddr_t)0, Size, - (flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_FLAGS, devMemFd, (off_t)Base); - if (base == MAP_FAILED) - { - FatalError("%s: could not mmap %s [s=%lx,a=%lx] (%s)", - "xf86MapVidMem", DEV_MEM, Size, Base, - strerror(errno)); - } - return(base); - } - - /* else, mmap /dev/vga */ - if ((unsigned long)Base < 0xA0000 || (unsigned long)Base >= 0xC0000) - { - FatalError("%s: Address 0x%lx outside allowable range", - "xf86MapVidMem", Base); - } - base = mmap(0, Size, - (flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_FLAGS, xf86Info.screenFd, - (unsigned long)Base - 0xA0000 - ); - if (base == MAP_FAILED) - { - FatalError("xf86MapVidMem: Could not mmap /dev/vga (%s)", - strerror(errno)); - } - return(base); -} - -static void -unmapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - munmap((caddr_t)Base, Size); -} - -/* - * Read BIOS via mmap()ing DEV_MEM - */ - -int -xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf, - int Len) -{ - unsigned char *ptr; - int psize; - int mlen; - - checkDevMem(TRUE); - if (devMemFd == -1) { - return(-1); - } - - psize = xf86getpagesize(); - Offset += Base & (psize - 1); - Base &= ~(psize - 1); - mlen = (Offset + Len + psize - 1) & ~(psize - 1); - ptr = (unsigned char *)mmap((caddr_t)0, mlen, PROT_READ, - MAP_SHARED, devMemFd, (off_t)Base); - if ((long)ptr == -1) - { - xf86Msg(X_WARNING, - "xf86ReadBIOS: %s mmap[s=%x,a=%lx,o=%lx] failed (%s)\n", - DEV_MEM, Len, Base, Offset, strerror(errno)); -#ifdef __OpenBSD__ - if (Base < 0xa0000) { - xf86Msg(X_WARNING, SYSCTL_MSG2); - } -#endif - return(-1); - } -#ifdef DEBUG - ErrorF("xf86ReadBIOS: BIOS at 0x%08x has signature 0x%04x\n", - Base, ptr[0] | (ptr[1] << 8)); -#endif - (void)memcpy(Buf, (void *)(ptr + Offset), Len); - (void)munmap((caddr_t)ptr, mlen); -#ifdef DEBUG - xf86MsgVerb(X_INFO, 3, "xf86ReadBIOS(%x, %x, Buf, %x)" - "-> %02x %02x %02x %02x...\n", - Base, Offset, Len, Buf[0], Buf[1], Buf[2], Buf[3]); -#endif - return(Len); -} - -#ifdef USE_I386_IOPL -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -static Bool ExtendedEnabled = FALSE; - -Bool -xf86EnableIO() -{ - if (ExtendedEnabled) - return TRUE; - - if (i386_iopl(TRUE) < 0) - { -#ifndef __OpenBSD__ - xf86Msg(X_WARNING,"%s: Failed to set IOPL for extended I/O", - "xf86EnableIO"); -#else - xf86Msg(X_WARNING,"%s: Failed to set IOPL for extended I/O\n%s", - "xf86EnableIO", SYSCTL_MSG); -#endif - return FALSE; - } - ExtendedEnabled = TRUE; - - return TRUE; -} - -void -xf86DisableIO() -{ - if (!ExtendedEnabled) - return; - - i386_iopl(FALSE); - ExtendedEnabled = FALSE; - - return; -} - -#endif /* USE_I386_IOPL */ - -#ifdef USE_AMD64_IOPL -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -static Bool ExtendedEnabled = FALSE; - -Bool -xf86EnableIO() -{ - if (ExtendedEnabled) - return TRUE; - - if (amd64_iopl(TRUE) < 0) - { -#ifndef __OpenBSD__ - xf86Msg(X_WARNING,"%s: Failed to set IOPL for extended I/O", - "xf86EnableIO"); -#else - xf86Msg(X_WARNING,"%s: Failed to set IOPL for extended I/O\n%s", - "xf86EnableIO", SYSCTL_MSG); -#endif - return FALSE; - } - ExtendedEnabled = TRUE; - - return TRUE; -} - -void -xf86DisableIO() -{ - if (!ExtendedEnabled) - return; - - if (amd64_iopl(FALSE) == 0) { - ExtendedEnabled = FALSE; - } - /* Otherwise, the X server has revoqued its root uid, - and thus cannot give up IO privileges any more */ - - return; -} - -#endif /* USE_AMD64_IOPL */ - -#ifdef USE_DEV_IO -static int IoFd = -1; - -Bool -xf86EnableIO() -{ - if (IoFd >= 0) - return TRUE; - - if ((IoFd = open("/dev/io", O_RDWR)) == -1) - { - xf86Msg(X_WARNING,"xf86EnableIO: " - "Failed to open /dev/io for extended I/O"); - return FALSE; - } - return TRUE; -} - -void -xf86DisableIO() -{ - if (IoFd < 0) - return; - - close(IoFd); - IoFd = -1; - return; -} - -#endif - - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -Bool -xf86DisableInterrupts() -{ - -#ifdef __GNUC__ - __asm__ __volatile__("cli"); -#else - asm("cli"); -#endif /* __GNUC__ */ - - return(TRUE); -} - -void -xf86EnableInterrupts() -{ - -#ifdef __GNUC__ - __asm__ __volatile__("sti"); -#else - asm("sti"); -#endif /* __GNUC__ */ - - return; -} - - -#ifdef __NetBSD__ -/***************************************************************************/ -/* Set TV output mode */ -/***************************************************************************/ -void -xf86SetTVOut(int mode) -{ - switch (xf86Info.consType) - { -#ifdef PCCONS_SUPPORT - case PCCONS:{ - - if (ioctl (xf86Info.consoleFd, CONSOLE_X_TV_ON, &mode) < 0) - { - xf86Msg(X_WARNING, - "xf86SetTVOut: Could not set console to TV output, %s\n", - strerror(errno)); - } - } - break; -#endif /* PCCONS_SUPPORT */ - - default: - FatalError("Xf86SetTVOut: Unsupported console"); - break; - } - return; -} - -void -xf86SetRGBOut() -{ - switch (xf86Info.consType) - { -#ifdef PCCONS_SUPPORT - case PCCONS:{ - - if (ioctl (xf86Info.consoleFd, CONSOLE_X_TV_OFF, 0) < 0) - { - xf86Msg(X_WARNING, - "xf86SetTVOut: Could not set console to RGB output, %s\n", - strerror(errno)); - } - } - break; -#endif /* PCCONS_SUPPORT */ - - default: - FatalError("Xf86SetTVOut: Unsupported console"); - break; - } - return; -} -#endif - -#ifdef HAS_MTRR_SUPPORT -/* memory range (MTRR) support for FreeBSD */ - -/* - * This code is experimental. Some parts may be overkill, and other parts - * may be incomplete. - */ - -/* - * getAllRanges returns the full list of memory ranges with attributes set. - */ - -static struct mem_range_desc * -getAllRanges(int *nmr) -{ - struct mem_range_desc *mrd; - struct mem_range_op mro; - - /* - * Find how many ranges there are. If this fails, then the kernel - * probably doesn't have MTRR support. - */ - mro.mo_arg[0] = 0; - if (ioctl(devMemFd, MEMRANGE_GET, &mro)) - return NULL; - *nmr = mro.mo_arg[0]; - mrd = xnfalloc(*nmr * sizeof(struct mem_range_desc)); - mro.mo_arg[0] = *nmr; - mro.mo_desc = mrd; - if (ioctl(devMemFd, MEMRANGE_GET, &mro)) { - xfree(mrd); - return NULL; - } - return mrd; -} - -/* - * cleanMTRR removes any memory attribute that may be left by a previous - * X server. Normally there won't be any, but this takes care of the - * case where a server crashed without being able finish cleaning up. - */ - -static Bool -cleanMTRR() -{ - struct mem_range_desc *mrd; - struct mem_range_op mro; - int nmr, i; - - /* This shouldn't happen */ - if (devMemFd < 0) - return FALSE; - - if (!(mrd = getAllRanges(&nmr))) - return FALSE; - - for (i = 0; i < nmr; i++) { - if (strcmp(mrd[i].mr_owner, X_MTRR_ID) == 0 && - (mrd[i].mr_flags & MDF_ACTIVE)) { -#ifdef DEBUG - ErrorF("Clean for (0x%lx,0x%lx)\n", - (unsigned long)mrd[i].mr_base, - (unsigned long)rd[i].mr_len); -#endif - if (mrd[i].mr_flags & MDF_FIXACTIVE) { - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - mrd[i].mr_flags = MDF_UNCACHEABLE; - } else { - mro.mo_arg[0] = MEMRANGE_SET_REMOVE; - } - mro.mo_desc = mrd + i; - ioctl(devMemFd, MEMRANGE_SET, &mro); - } - } -#ifdef DEBUG - sleep(10); -#endif - xfree(mrd); - return TRUE; -} - -typedef struct x_RangeRec { - struct mem_range_desc mrd; - Bool wasWC; - struct x_RangeRec * next; -} RangeRec, *RangePtr; - -static void -freeRangeList(RangePtr range) -{ - RangePtr rp; - - while (range) { - rp = range; - range = rp->next; - xfree(rp); - } -} - -static RangePtr -dupRangeList(RangePtr list) -{ - RangePtr new = NULL, rp, p; - - rp = list; - while (rp) { - p = xnfalloc(sizeof(RangeRec)); - *p = *rp; - p->next = new; - new = p; - rp = rp->next; - } - return new; -} - -static RangePtr -sortRangeList(RangePtr list) -{ - RangePtr rp1, rp2, copy, sorted = NULL, minp, prev, minprev; - unsigned long minBase; - - /* Sort by base address */ - rp1 = copy = dupRangeList(list); - while (rp1) { - minBase = rp1->mrd.mr_base; - minp = rp1; - minprev = NULL; - prev = rp1; - rp2 = rp1->next; - while (rp2) { - if (rp2->mrd.mr_base < minBase) { - minBase = rp2->mrd.mr_base; - minp = rp2; - minprev = prev; - } - prev = rp2; - rp2 = rp2->next; - } - if (minprev) { - minprev->next = minp->next; - rp1 = copy; - } else { - rp1 = minp->next; - } - minp->next = sorted; - sorted = minp; - } - return sorted; -} - -/* - * findRanges returns a list of ranges that overlap the specified range. - */ - -static void -findRanges(unsigned long base, unsigned long size, RangePtr *ucp, RangePtr *wcp) -{ - struct mem_range_desc *mrd; - int nmr, i; - RangePtr rp, *p; - - if (!(mrd = getAllRanges(&nmr))) - return; - - for (i = 0; i < nmr; i++) { - if ((mrd[i].mr_flags & MDF_ACTIVE) && - mrd[i].mr_base < base + size && - mrd[i].mr_base + mrd[i].mr_len > base) { - if (mrd[i].mr_flags & MDF_WRITECOMBINE) - p = wcp; - else if (mrd[i].mr_flags & MDF_UNCACHEABLE) - p = ucp; - else - continue; - rp = xnfalloc(sizeof(RangeRec)); - rp->mrd = mrd[i]; - rp->next = *p; - *p = rp; - } - } - xfree(mrd); -} - -/* - * This checks if the existing overlapping ranges fully cover the requested - * range. Is this overkill? - */ - -static Bool -fullCoverage(unsigned long base, unsigned long size, RangePtr overlap) -{ - RangePtr rp1, sorted = NULL; - unsigned long end; - - sorted = sortRangeList(overlap); - /* Look for gaps */ - rp1 = sorted; - end = base + size; - while (rp1) { - if (rp1->mrd.mr_base > base) { - freeRangeList(sorted); - return FALSE; - } else { - base = rp1->mrd.mr_base + rp1->mrd.mr_len; - } - if (base >= end) { - freeRangeList(sorted); - return TRUE; - } - rp1 = rp1->next; - } - freeRangeList(sorted); - return FALSE; -} - -static pointer -addWC(int screenNum, unsigned long base, unsigned long size, MessageType from) -{ - RangePtr uc = NULL, wc = NULL, retlist = NULL; - struct mem_range_desc mrd; - struct mem_range_op mro; - - findRanges(base, size, &uc, &wc); - - /* See of the full range is already WC */ - if (!uc && fullCoverage(base, size, wc)) { - xf86DrvMsg(screenNum, from, - "Write-combining range (0x%lx,0x%lx) was already set\n", - base, size); - return NULL; - } - - /* Otherwise, try to add the new range */ - mrd.mr_base = base; - mrd.mr_len = size; - strcpy(mrd.mr_owner, X_MTRR_ID); - mrd.mr_flags = MDF_WRITECOMBINE; - mro.mo_desc = &mrd; - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) { - xf86DrvMsg(screenNum, X_WARNING, - "Failed to set write-combining range " - "(0x%lx,0x%lx)\n", base, size); - return NULL; - } else { - xf86DrvMsg(screenNum, from, - "Write-combining range (0x%lx,0x%lx)\n", base, size); - retlist = xnfalloc(sizeof(RangeRec)); - retlist->mrd = mrd; - retlist->wasWC = FALSE; - retlist->next = NULL; - return retlist; - } -} - -static pointer -delWC(int screenNum, unsigned long base, unsigned long size, MessageType from) -{ - RangePtr uc = NULL, wc = NULL, retlist = NULL; - struct mem_range_desc mrd; - struct mem_range_op mro; - - findRanges(base, size, &uc, &wc); - - /* - * See of the full range is already not WC, or if there is full - * coverage from UC ranges. - */ - if (!wc || fullCoverage(base, size, uc)) { - xf86DrvMsg(screenNum, from, - "Write-combining range (0x%lx,0x%lx) was already clear\n", - base, size); - return NULL; - } - - /* Otherwise, try to add the new range */ - mrd.mr_base = base; - mrd.mr_len = size; - strcpy(mrd.mr_owner, X_MTRR_ID); - mrd.mr_flags = MDF_UNCACHEABLE; - mro.mo_desc = &mrd; - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) { - xf86DrvMsg(screenNum, X_WARNING, - "Failed to remove write-combining range " - "(0x%lx,0x%lx)\n", base, size); - /* XXX Should then remove all of the overlapping WC ranges */ - return NULL; - } else { - xf86DrvMsg(screenNum, from, - "Removed Write-combining range (0x%lx,0x%lx)\n", - base, size); - retlist = xnfalloc(sizeof(RangeRec)); - retlist->mrd = mrd; - retlist->wasWC = TRUE; - retlist->next = NULL; - return retlist; - } -} - -static pointer -setWC(int screenNum, unsigned long base, unsigned long size, Bool enable, - MessageType from) -{ - if (enable) - return addWC(screenNum, base, size, from); - else - return delWC(screenNum, base, size, from); -} - -static void -undoWC(int screenNum, pointer list) -{ - RangePtr rp; - struct mem_range_op mro; - Bool failed; - - rp = list; - while (rp) { -#ifdef DEBUG - ErrorF("Undo for (0x%lx,0x%lx), %d\n", - (unsigned long)rp->mrd.mr_base, - (unsigned long)rp->mrd.mr_len, rp->wasWC); -#endif - failed = FALSE; - if (rp->wasWC) { - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - rp->mrd.mr_flags = MDF_WRITECOMBINE; - strcpy(rp->mrd.mr_owner, "unknown"); - } else { - mro.mo_arg[0] = MEMRANGE_SET_REMOVE; - } - mro.mo_desc = &rp->mrd; - - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) { - if (!rp->wasWC) { - mro.mo_arg[0] = MEMRANGE_SET_UPDATE; - rp->mrd.mr_flags = MDF_UNCACHEABLE; - strcpy(rp->mrd.mr_owner, "unknown"); - if (ioctl(devMemFd, MEMRANGE_SET, &mro)) - failed = TRUE; - } else - failed = TRUE; - } - if (failed) { - xf86DrvMsg(screenNum, X_WARNING, - "Failed to restore MTRR range (0x%lx,0x%lx)\n", - (unsigned long)rp->mrd.mr_base, - (unsigned long)rp->mrd.mr_len); - } - rp = rp->next; - } -} - -#endif /* HAS_MTRR_SUPPORT */ - - -#if defined(HAS_MTRR_BUILTIN) && defined(__NetBSD__) -static pointer -NetBSDsetWC(int screenNum, unsigned long base, unsigned long size, Bool enable, - MessageType from) -{ - struct mtrr *mtrrp; - int n; - - xf86DrvMsg(screenNum, X_WARNING, - "%s MTRR %lx - %lx\n", enable ? "set" : "remove", - base, (base + size)); - - mtrrp = xnfalloc(sizeof (struct mtrr)); - mtrrp->base = base; - mtrrp->len = size; - mtrrp->type = MTRR_TYPE_WC; - - /* - * MTRR_PRIVATE will make this MTRR get reset automatically - * if this process exits, so we have no need for an explicit - * cleanup operation when starting a new server. - */ - - if (enable) - mtrrp->flags = MTRR_VALID | MTRR_PRIVATE; - else - mtrrp->flags = 0; - n = 1; - - if (i386_set_mtrr(mtrrp, &n) < 0) { - xfree(mtrrp); - return NULL; - } - return mtrrp; -} - -static void -NetBSDundoWC(int screenNum, pointer list) -{ - struct mtrr *mtrrp = (struct mtrr *)list; - int n; - - if (mtrrp == NULL) - return; - n = 1; - mtrrp->flags &= ~MTRR_VALID; - i386_set_mtrr(mtrrp, &n); - xfree(mtrrp); -} -#endif - -#if defined(__OpenBSD__) && defined(__amd64__) -static pointer -amd64setWC(int screenNum, unsigned long base, unsigned long size, Bool enable, - MessageType from) -{ - struct mtrr *mtrrp; - int n; - - xf86DrvMsg(screenNum, X_WARNING, - "%s MTRR %lx - %lx\n", enable ? "set" : "remove", - base, (base + size)); - - mtrrp = xnfalloc(sizeof (struct mtrr)); - mtrrp->base = base; - mtrrp->len = size; - mtrrp->type = MTRR_TYPE_WC; - - /* - * MTRR_PRIVATE will make this MTRR get reset automatically - * if this process exits, so we have no need for an explicit - * cleanup operation when starting a new server. - */ - - if (enable) - mtrrp->flags = MTRR_VALID | MTRR_PRIVATE; - else - mtrrp->flags = 0; - n = 1; - - if (amd64_set_mtrr(mtrrp, &n) < 0) { - xfree(mtrrp); - return NULL; - } - return mtrrp; -} - -static void -amd64undoWC(int screenNum, pointer list) -{ - struct mtrr *mtrrp = (struct mtrr *)list; - int n; - - if (mtrrp == NULL) - return; - n = 1; - mtrrp->flags &= ~MTRR_VALID; - amd64_set_mtrr(mtrrp, &n); - xfree(mtrrp); -} -#endif /* OpenBSD/amd64 */ - -- cgit v1.2.3