diff options
Diffstat (limited to 'src/video_out/libdha/sysdep/pci_os2.c')
-rw-r--r-- | src/video_out/libdha/sysdep/pci_os2.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/src/video_out/libdha/sysdep/pci_os2.c b/src/video_out/libdha/sysdep/pci_os2.c deleted file mode 100644 index ddfc0c0ea..000000000 --- a/src/video_out/libdha/sysdep/pci_os2.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - This file is based on: - $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $ - Modified for readability by Nick Kurshev -*/ -#define INCL_DOSFILEMGR -#include <os2.h> - -static USHORT callgate[3] = {0,0,0}; - -static __inline__ int enable_os_io(void) -{ - HFILE hfd; - ULONG dlen,action; - APIRET rc; - static char *ioDrvPath = "/dev/fastio$"; - - if (DosOpen((PSZ)ioDrvPath, (PHFILE)&hfd, (PULONG)&action, - (ULONG)0, FILE_SYSTEM, FILE_OPEN, - OPEN_SHARE_DENYNONE|OPEN_FLAGS_NOINHERIT|OPEN_ACCESS_READONLY, - (ULONG)0) != 0) { - fprintf(stderr,"Error opening fastio$ driver...\n"); - fprintf(stderr,"Please install xf86sup.sys in config.sys!\n"); - return(42); - } - callgate[0] = callgate[1] = 0; - -/* Get callgate from driver for fast io to ports and other stuff */ - - rc = DosDevIOCtl(hfd, (ULONG)0x76, (ULONG)0x64, - NULL, 0, NULL, - (ULONG*)&callgate[2], sizeof(USHORT), &dlen); - if (rc) { - fprintf(stderr,"xf86-OS/2: EnableIOPorts failed, rc=%d, dlen=%d; emergency exit\n", - rc,dlen); - DosClose(hfd); - return(42); - } - -/* Calling callgate with function 13 sets IOPL for the program */ - - asm volatile ("movl $13,%%ebx;.byte 0xff,0x1d;.long _callgate" - : /*no outputs */ - : /*no inputs */ - : "eax","ebx","ecx","edx","cc"); - - DosClose(hfd); - return(0); -} - -static __inline__ int disable_os_io(void) -{ -/* Nothing to do */ - return(0); -} |