diff options
Diffstat (limited to 'vidix/dhahelperwin/dhahelper.c')
| -rw-r--r-- | vidix/dhahelperwin/dhahelper.c | 53 |
1 files changed, 41 insertions, 12 deletions
diff --git a/vidix/dhahelperwin/dhahelper.c b/vidix/dhahelperwin/dhahelper.c index 04eb0c2c5d..b68f397c6d 100644 --- a/vidix/dhahelperwin/dhahelper.c +++ b/vidix/dhahelperwin/dhahelper.c @@ -1,6 +1,8 @@ /****************************************************************************** * dhahelper.c: direct hardware access under Windows NT/2000/XP * Copyright (c) 2004 Sascha Sommer <saschasommer@freenet.de>. + * Patched to compile with MinGW by Kevin Kofler: + * Copyright (c) 2007 Kevin Kofler * * This file is part of MPlayer. * @@ -21,7 +23,18 @@ *****************************************************************************/ +#if defined(_MSC_VER) #include <ntddk.h> +#ifndef STDCALL +#define STDCALL /* nothing */ +#endif +#elif defined(__MINGW32__) +#include <ddk/ntddk.h> +#define NO_SEH /* FIXME */ +#else +#error Unsupported compiler. This driver requires MSVC+DDK or MinGW to build. +#endif + #include "dhahelper.h" #define OutputDebugString DbgPrint @@ -47,20 +60,20 @@ static unsigned int alloccount=0; -static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp); -static void dhahelperunload(IN PDRIVER_OBJECT DriverObject); -static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress); -static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin); +static STDCALL NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp); +static STDCALL void dhahelperunload(IN PDRIVER_OBJECT DriverObject); +static STDCALL NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress); +static STDCALL NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin); -void Ke386SetIoAccessMap(int, IOPM *); -void Ke386QueryIoAccessMap(int, IOPM *); -void Ke386IoSetAccessProcess(PEPROCESS, int); +void STDCALL Ke386SetIoAccessMap(int, IOPM *); +void STDCALL Ke386QueryIoAccessMap(int, IOPM *); +void STDCALL Ke386IoSetAccessProcess(PEPROCESS, int); //entry point -NTSTATUS DriverEntry (IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING RegistryPath){ +STDCALL NTSTATUS DriverEntry (IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING RegistryPath){ UNICODE_STRING DeviceNameUnicodeString; UNICODE_STRING DeviceLinkUnicodeString; NTSTATUS ntStatus; @@ -106,7 +119,7 @@ NTSTATUS DriverEntry (IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING Registry // Process the IRPs sent to this device -static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp){ +static STDCALL NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp){ PIO_STACK_LOCATION IrpStack; ULONG dwInputBufferLength; ULONG dwOutputBufferLength; @@ -207,7 +220,7 @@ static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp){ // Delete the associated device and return -static void dhahelperunload(IN PDRIVER_OBJECT DriverObject){ +static STDCALL void dhahelperunload(IN PDRIVER_OBJECT DriverObject){ UNICODE_STRING DeviceLinkUnicodeString; NTSTATUS ntStatus=STATUS_SUCCESS; OutputDebugString ("dhahelper: entering dhahelperunload"); @@ -240,7 +253,7 @@ static void dhahelperunload(IN PDRIVER_OBJECT DriverObject){ //I'm not sure what the limitations of ZwMapViewOfSection are but mapping 128MB videoram (that is probably already mapped by the gfxcard driver) //won't work so it is generally a good idea to map only the memory you really need -static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin){ +static STDCALL NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin){ alloc_priv* alloclisttmp; PMDL Mdl=NULL; PVOID SystemVirtualAddress=NULL; @@ -248,8 +261,14 @@ static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemS PHYSICAL_ADDRESS pStartPhysAddress; OutputDebugString ("dhahelper: entering MapPhysicalMemoryToLinearSpace"); +#ifdef _WIN64 pStartPhysAddress.QuadPart = (ULONGLONG)pPhysAddress; +#else + pStartPhysAddress.QuadPart = (ULONGLONG)(ULONG)pPhysAddress; +#endif +#ifndef NO_SEH __try { +#endif SystemVirtualAddress=MmMapIoSpace(pStartPhysAddress,PhysMemSizeInBytes, /*MmWriteCombined*/MmNonCached); if(!SystemVirtualAddress){ OutputDebugString("dhahelper: MmMapIoSpace failed"); @@ -263,18 +282,24 @@ static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemS } OutputDebugString("dhahelper: Mdl 0x%x",Mdl); MmBuildMdlForNonPagedPool(Mdl); +#ifdef _WIN64 + UserVirtualAddress = (PVOID)(((ULONGLONG)PAGE_ALIGN(MmMapLockedPages(Mdl,UserMode))) + MmGetMdlByteOffset(Mdl)); +#else UserVirtualAddress = (PVOID)(((ULONG)PAGE_ALIGN(MmMapLockedPages(Mdl,UserMode))) + MmGetMdlByteOffset(Mdl)); +#endif if(!UserVirtualAddress){ OutputDebugString("dhahelper: MmMapLockedPages failed"); return STATUS_INSUFFICIENT_RESOURCES; } OutputDebugString("dhahelper: UserVirtualAddress 0x%x",UserVirtualAddress); +#ifndef NO_SEH }__except(EXCEPTION_EXECUTE_HANDLER){ NTSTATUS ntStatus; ntStatus = GetExceptionCode(); OutputDebugString("dhahelper: MapPhysicalMemoryToLinearSpace failed due to exception 0x%0x\n", ntStatus); return ntStatus; } +#endif OutputDebugString("dhahelper: adding data to internal allocation list"); @@ -304,7 +329,7 @@ static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemS return STATUS_SUCCESS; } -static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress){ +static STDCALL NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress){ unsigned int i; unsigned int x=0; unsigned int alloccounttmp=alloccount; @@ -327,16 +352,20 @@ static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress){ } else if(alloclist[i].UserVirtualAddress==UserVirtualAddress){ if(x==i){ +#ifndef NO_SEH __try { +#endif MmUnmapLockedPages(alloclist[x].UserVirtualAddress, alloclist[x].Mdl); IoFreeMdl(alloclist[x].Mdl); MmUnmapIoSpace(alloclist[x].SystemVirtualAddress,alloclist[x].PhysMemSizeInBytes); +#ifndef NO_SEH }__except(EXCEPTION_EXECUTE_HANDLER){ NTSTATUS ntStatus; ntStatus = GetExceptionCode(); OutputDebugString("dhahelper: UnmapPhysicalMemory failed due to exception 0x%0x (Mdl 0x%x)\n", ntStatus,alloclist[x].Mdl); return ntStatus; } +#endif } alloccounttmp--; } |