diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/bsdi/bsdi_video.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/bsdi/bsdi_video.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsdi/bsdi_video.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bsdi/bsdi_video.c deleted file mode 100644 index 5b1e474c7..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/bsdi/bsdi_video.c +++ /dev/null @@ -1,182 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/bsdi/bsdi_video.c,v 3.10 2003/03/14 13:46:05 tsi Exp $ */ -/* - * Copyright 1992 by Rich Murphey <Rich@Rice.edu> - * 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 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: bsdi_video.c /main/4 1996/02/21 17:51:22 kaleb $ */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <X11/X.h> -#include "input.h" -#include "scrnintstr.h" - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" -#include "xf86OSpriv.h" - -#ifndef MAP_FAILED -#define MAP_FAILED ((void *)-1) -#endif - -/***************************************************************************/ -/* Video Memory Mapping section */ -/***************************************************************************/ - -pointer -xf86MapVidMem(int ScreenNum, int Flags, unsigned long Base, unsigned long Size) -{ - pointer base; - - /* just try the mapping, and either it will work, or not */ - base = mmap(0, Size, - (Flags & VIDMEM_READONLY) ? - PROT_READ : (PROT_READ | PROT_WRITE), - MAP_FILE, xf86Info.screenFd, Base - 0xA0000); - if (base == MAP_FAILED) - { - FatalError("xf86MapVidMem: Could not mmap /dev/vga (%s) at 0x%x\n", - strerror(errno), Base); - } - return(base); -} - -void -xf86UnMapVidMem(int ScreenNum, pointer Base, unsigned long Size) -{ - munmap((caddr_t)Base, Size); -} - -Bool -xf86LinearVidMem() -{ - return(TRUE); -} - -/***************************************************************************/ -/* I/O Permissions section */ -/***************************************************************************/ - -/* - * BSDI has a single system-wide TSS I/O bitmap that covers ports up to - * 0xFFFF. By default, the TSS has ports 0x3B0-0x3DF enabled. - * - * It also allows the IOPL to be enabled or disabled on a per-process - * basis. Here, we use the IOPL only. - */ - -static Bool ExtendedEnabled = FALSE; - -Bool -xf86EnableIO() -{ - if (ExtendedEnabled) - return TRUE; - - if (ioctl(xf86Info.consoleFd, PCCONENABIOPL, 0) < 0) - { - xf86Msg(X_WARNING,"%s: Failed to set IOPL for extended I/O\n", - "xf86EnableIOPorts"); - return FALSE; - } - ExtendedEnabled = TRUE; - return TRUE; -} - -void -xf86DisableIO() -{ - if (!ExtendedEnabled) - return; - - ioctl(xf86Info.consoleFd, PCCONDISABIOPL, 0); - ExtendedEnabled = FALSE; -} - - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -Bool -xf86DisableInterrupts() -{ - if (!ExtendedEnabled) - { - if (ioctl(xf86Info.consoleFd, PCCONENABIOPL, 0) < 0) - { - return(FALSE); - } - } - -#ifdef __GNUC__ - __asm__ __volatile__("cli"); -#else - asm("cli"); -#endif /* __GNUC__ */ - - if (!ExtendedEnabled) - { - ioctl(xf86Info.consoleFd, PCCONDISABIOPL, 0); - } - - return(TRUE); -} - -void -xf86EnableInterrupts() -{ - if (!ExtendedEnabled) - { - ioctl(xf86Info.consoleFd, PCCONENABIOPL, 0); - } - -#ifdef __GNUC__ - __asm__ __volatile__("sti"); -#else - asm("sti"); -#endif /* __GNUC__ */ - - if (!ExtendedEnabled) - { - ioctl(xf86Info.consoleFd, PCCONDISABIOPL, 0); - } - - return; -} - -void -xf86MapReadSideEffects(int ScreenNum, int Flags, pointer Base, - unsigned long Size) -{ -} - -Bool -xf86CheckMTRR(int ScreenNum) -{ - return FALSE; -} - |