summaryrefslogtreecommitdiffstats
path: root/vidix/sysdep/libdha_win32.c
diff options
context:
space:
mode:
Diffstat (limited to 'vidix/sysdep/libdha_win32.c')
-rw-r--r--vidix/sysdep/libdha_win32.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/vidix/sysdep/libdha_win32.c b/vidix/sysdep/libdha_win32.c
deleted file mode 100644
index f3c287f92f..0000000000
--- a/vidix/sysdep/libdha_win32.c
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * MAPDEV.h - include file for VxD MAPDEV
- * Copyright (c) 1996 Vireo Software, Inc.
- * Modified for libdha by Nick Kurshev.
- *
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <windows.h>
-#include <ddk/ntddk.h>
-#include "vidix/dhahelperwin/dhahelper.h"
-
-/*
- This is the request structure that applications use
- to request services from the MAPDEV VxD.
-*/
-
-typedef struct MapDevRequest
-{
- DWORD mdr_ServiceID; /* supplied by caller */
- LPVOID mdr_PhysicalAddress; /* supplied by caller */
- DWORD mdr_SizeInBytes; /* supplied by caller */
- LPVOID mdr_LinearAddress; /* returned by VxD */
- WORD mdr_Selector; /* returned if 16-bit caller */
- WORD mdr_Status; /* MDR_xxxx code below */
-} MAPDEVREQUEST, *PMAPDEVREQUEST;
-
-#define MDR_SERVICE_MAP CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
-#define MDR_SERVICE_UNMAP CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_NEITHER, FILE_ANY_ACCESS)
-
-#define MDR_STATUS_SUCCESS 1
-#define MDR_STATUS_ERROR 0
-/*#include "winioctl.h"*/
-#define FILE_DEVICE_UNKNOWN 0x00000022
-#define METHOD_NEITHER 3
-
-
-int IsWinNT(void) {
- OSVERSIONINFO OSVersionInfo;
- OSVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- GetVersionEx(&OSVersionInfo);
- return OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT;
-}
-
-static HANDLE hDriver = INVALID_HANDLE_VALUE;
-
-
-/* Memory Map a piece of Real Memory */
-void *map_phys_mem(unsigned long base, unsigned long size) {
- if(!IsWinNT()){
- HANDLE hDevice ;
- PVOID inBuf[1] ; /* buffer for struct pointer to VxD */
- DWORD cbBytesReturned ; /* count of bytes returned from VxD */
- MAPDEVREQUEST req ; /* map device request structure */
- const PCHAR VxDName = "\\\\.\\MAPDEV.VXD" ;
- const PCHAR VxDNameAlreadyLoaded = "\\\\.\\MAPDEV" ;
-
- hDevice = CreateFile(VxDName, 0,0,0,
- CREATE_NEW, FILE_FLAG_DELETE_ON_CLOSE, 0) ;
- if (hDevice == INVALID_HANDLE_VALUE)
- hDevice = CreateFile(VxDNameAlreadyLoaded, 0,0,0,
- CREATE_NEW, FILE_FLAG_DELETE_ON_CLOSE, 0) ;
- if (hDevice == INVALID_HANDLE_VALUE) {
- fprintf(stderr, "Cannot open driver, error=%08lx\n", GetLastError()) ;
- exit(1) ; }
-
- req.mdr_ServiceID = MDR_SERVICE_MAP ;
- req.mdr_PhysicalAddress = (PVOID)base ;
- req.mdr_SizeInBytes = size ;
- inBuf[0] = &req ;
-
- if ( ! DeviceIoControl(hDevice, MDR_SERVICE_MAP, inBuf, sizeof(PVOID),
- NULL, 0, &cbBytesReturned, NULL) ) {
- fprintf(stderr, "Failed to map device\n") ; exit(1) ; }
-
- return (void*)req.mdr_LinearAddress ;
- }
- else{
- dhahelper_t dhahelper_priv;
- DWORD dwBytesReturned;
- dhahelper_priv.size = size;
- dhahelper_priv.base = base;
- if(hDriver==INVALID_HANDLE_VALUE)hDriver = CreateFile("\\\\.\\DHAHELPER",GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
- if (!DeviceIoControl(hDriver, IOCTL_DHAHELPER_MAPPHYSTOLIN, &dhahelper_priv,sizeof(dhahelper_t), &dhahelper_priv, sizeof(dhahelper_t),&dwBytesReturned, NULL)){
- fprintf(stderr,"Unable to map the requested memory region.\n");
- return NULL;
- }
- else return dhahelper_priv.ptr;
- }
-}
-
-void unmap_phys_mem(void *ptr, unsigned long size) {
- if(IsWinNT()){
- dhahelper_t dhahelper_priv;
- DWORD dwBytesReturned;
- dhahelper_priv.ptr = ptr;
- DeviceIoControl(hDriver, IOCTL_DHAHELPER_UNMAPPHYSADDR, &dhahelper_priv,sizeof(dhahelper_t), NULL, 0, &dwBytesReturned, NULL);
- }
-}