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[VIDEOPRT] [FORMATTING] No code change
This commit is contained in:
Timo Kreuzer
parent
9ab3246d43
commit
e7b3c66a42
1 changed files with 126 additions and 95 deletions
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@ -41,7 +41,7 @@ IntInitializeVideoAddressSpace(VOID)
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LARGE_INTEGER Offset;
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SIZE_T ViewSize;
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#ifdef _M_IX86
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CHAR IVTAndBda[1024+256];
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CHAR IVTAndBda[1024 + 256];
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#endif // _M_IX86
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/* Free the 1MB pre-reserved region. In reality, ReactOS should simply support us mapping the view into the reserved area, but it doesn't. */
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@ -151,124 +151,134 @@ IntInitializeVideoAddressSpace(VOID)
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#endif
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#if defined(_M_IX86)
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VP_STATUS NTAPI
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VP_STATUS
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NTAPI
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IntInt10AllocateBuffer(
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IN PVOID Context,
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OUT PUSHORT Seg,
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OUT PUSHORT Off,
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IN OUT PULONG Length)
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IN PVOID Context,
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OUT PUSHORT Seg,
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OUT PUSHORT Off,
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IN OUT PULONG Length)
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{
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PVOID MemoryAddress;
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NTSTATUS Status;
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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PVOID MemoryAddress;
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NTSTATUS Status;
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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TRACE_(VIDEOPRT, "IntInt10AllocateBuffer\n");
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TRACE_(VIDEOPRT, "IntInt10AllocateBuffer\n");
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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MemoryAddress = (PVOID)0x20000;
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Status = ZwAllocateVirtualMemory(NtCurrentProcess(), &MemoryAddress, 0,
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Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
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MemoryAddress = (PVOID)0x20000;
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Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
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&MemoryAddress,
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0,
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Length,
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MEM_COMMIT,
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PAGE_EXECUTE_READWRITE);
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if (!NT_SUCCESS(Status))
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{
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WARN_(VIDEOPRT, "- ZwAllocateVirtualMemory failed\n");
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return ERROR_NOT_ENOUGH_MEMORY;
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}
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if (!NT_SUCCESS(Status))
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{
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WARN_(VIDEOPRT, "- ZwAllocateVirtualMemory failed\n");
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return ERROR_NOT_ENOUGH_MEMORY;
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}
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if (MemoryAddress > (PVOID)(0x100000 - *Length))
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{
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ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, Length,
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MEM_RELEASE);
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WARN_(VIDEOPRT, "- Unacceptable memory allocated\n");
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return ERROR_NOT_ENOUGH_MEMORY;
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}
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if (MemoryAddress > (PVOID)(0x100000 - *Length))
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{
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ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, Length,
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MEM_RELEASE);
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WARN_(VIDEOPRT, "- Unacceptable memory allocated\n");
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return ERROR_NOT_ENOUGH_MEMORY;
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}
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*Seg = (USHORT)((ULONG)MemoryAddress >> 4);
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*Off = (USHORT)((ULONG)MemoryAddress & 0xF);
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*Seg = (USHORT)((ULONG)MemoryAddress >> 4);
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*Off = (USHORT)((ULONG)MemoryAddress & 0xF);
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INFO_(VIDEOPRT, "- Segment: %x\n", (ULONG)MemoryAddress >> 4);
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INFO_(VIDEOPRT, "- Offset: %x\n", (ULONG)MemoryAddress & 0xF);
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INFO_(VIDEOPRT, "- Length: %x\n", *Length);
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INFO_(VIDEOPRT, "- Segment: %x\n", (ULONG)MemoryAddress >> 4);
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INFO_(VIDEOPRT, "- Offset: %x\n", (ULONG)MemoryAddress & 0xF);
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INFO_(VIDEOPRT, "- Length: %x\n", *Length);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return NO_ERROR;
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return NO_ERROR;
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}
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VP_STATUS NTAPI
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VP_STATUS
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NTAPI
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IntInt10FreeBuffer(
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IN PVOID Context,
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IN USHORT Seg,
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IN USHORT Off)
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IN PVOID Context,
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IN USHORT Seg,
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IN USHORT Off)
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{
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PVOID MemoryAddress = (PVOID)((Seg << 4) | Off);
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NTSTATUS Status;
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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SIZE_T Size = 0;
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PVOID MemoryAddress = (PVOID)((Seg << 4) | Off);
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NTSTATUS Status;
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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SIZE_T Size = 0;
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TRACE_(VIDEOPRT, "IntInt10FreeBuffer\n");
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INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
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INFO_(VIDEOPRT, "- Offset: %x\n", Off);
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TRACE_(VIDEOPRT, "IntInt10FreeBuffer\n");
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INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
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INFO_(VIDEOPRT, "- Offset: %x\n", Off);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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Status = ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, &Size,
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MEM_RELEASE);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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Status = ZwFreeVirtualMemory(NtCurrentProcess(),
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&MemoryAddress,
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&Size,
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MEM_RELEASE);
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return Status;
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return Status;
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}
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VP_STATUS NTAPI
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VP_STATUS
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NTAPI
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IntInt10ReadMemory(
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IN PVOID Context,
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IN USHORT Seg,
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IN USHORT Off,
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OUT PVOID Buffer,
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IN ULONG Length)
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IN PVOID Context,
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IN USHORT Seg,
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IN USHORT Off,
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OUT PVOID Buffer,
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IN ULONG Length)
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{
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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TRACE_(VIDEOPRT, "IntInt10ReadMemory\n");
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INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
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INFO_(VIDEOPRT, "- Offset: %x\n", Off);
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INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer);
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INFO_(VIDEOPRT, "- Length: %x\n", Length);
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TRACE_(VIDEOPRT, "IntInt10ReadMemory\n");
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INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
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INFO_(VIDEOPRT, "- Offset: %x\n", Off);
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INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer);
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INFO_(VIDEOPRT, "- Length: %x\n", Length);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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RtlCopyMemory(Buffer, (PVOID)((Seg << 4) | Off), Length);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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RtlCopyMemory(Buffer, (PVOID)((Seg << 4) | Off), Length);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return NO_ERROR;
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return NO_ERROR;
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}
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VP_STATUS NTAPI
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VP_STATUS
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NTAPI
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IntInt10WriteMemory(
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IN PVOID Context,
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IN USHORT Seg,
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IN USHORT Off,
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IN PVOID Buffer,
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IN ULONG Length)
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IN PVOID Context,
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IN USHORT Seg,
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IN USHORT Off,
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IN PVOID Buffer,
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IN ULONG Length)
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{
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
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KAPC_STATE ApcState;
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TRACE_(VIDEOPRT, "IntInt10WriteMemory\n");
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INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
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INFO_(VIDEOPRT, "- Offset: %x\n", Off);
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INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer);
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INFO_(VIDEOPRT, "- Length: %x\n", Length);
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TRACE_(VIDEOPRT, "IntInt10WriteMemory\n");
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INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
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INFO_(VIDEOPRT, "- Offset: %x\n", Off);
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INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer);
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INFO_(VIDEOPRT, "- Length: %x\n", Length);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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RtlCopyMemory((PVOID)((Seg << 4) | Off), Buffer, Length);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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RtlCopyMemory((PVOID)((Seg << 4) | Off), Buffer, Length);
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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return NO_ERROR;
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return NO_ERROR;
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}
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VP_STATUS
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@ -286,7 +296,7 @@ IntInt10CallBios(
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IntAttachToCSRSS(&CallingProcess, &ApcState);
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/* Clear the context */
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RtlZeroMemory(&BiosContext, sizeof(CONTEXT));
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RtlZeroMemory(&BiosContext, sizeof(BiosContext));
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/* Fill out the bios arguments */
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BiosContext.Eax = BiosArguments->Eax;
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@ -300,8 +310,14 @@ IntInt10CallBios(
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BiosContext.SegEs = BiosArguments->SegEs;
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/* Do the ROM BIOS call */
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(void)KeWaitForMutexObject(&VideoPortInt10Mutex, Executive, KernelMode, FALSE, NULL);
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(void)KeWaitForMutexObject(&VideoPortInt10Mutex,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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Status = Ke386CallBios(0x10, &BiosContext);
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KeReleaseMutex(&VideoPortInt10Mutex, FALSE);
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/* Return the arguments */
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@ -317,7 +333,12 @@ IntInt10CallBios(
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/* Detach and return status */
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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if (NT_SUCCESS(Status)) return NO_ERROR;
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if (NT_SUCCESS(Status))
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{
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return NO_ERROR;
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}
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return ERROR_INVALID_PARAMETER;
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}
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#endif
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@ -328,7 +349,8 @@ IntInt10CallBios(
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* @implemented
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*/
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VP_STATUS NTAPI
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VP_STATUS
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NTAPI
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VideoPortInt10(
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IN PVOID HwDeviceExtension,
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IN PVIDEO_X86_BIOS_ARGUMENTS BiosArguments)
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@ -341,7 +363,7 @@ VideoPortInt10(
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if (!CsrssInitialized)
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{
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return ERROR_INVALID_PARAMETER;
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return ERROR_INVALID_PARAMETER;
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}
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/* Attach to CSRSS */
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@ -360,7 +382,11 @@ VideoPortInt10(
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BiosContext.Ebp = BiosArguments->Ebp;
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/* Do the ROM BIOS call */
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(void)KeWaitForMutexObject(&VideoPortInt10Mutex, Executive, KernelMode, FALSE, NULL);
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(void)KeWaitForMutexObject(&VideoPortInt10Mutex,
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Executive,
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KernelMode,
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FALSE,
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NULL);
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Status = Ke386CallBios(0x10, &BiosContext);
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KeReleaseMutex(&VideoPortInt10Mutex, FALSE);
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@ -375,7 +401,12 @@ VideoPortInt10(
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/* Detach from CSRSS */
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IntDetachFromCSRSS(&CallingProcess, &ApcState);
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if (NT_SUCCESS(Status)) return NO_ERROR;
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if (NT_SUCCESS(Status))
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{
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return NO_ERROR;
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}
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return ERROR_INVALID_PARAMETER;
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#else
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/* Not implemented for anything else than X86*/
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