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[VIDEOPRT] [FORMATTING] No code change

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This commit is contained in:
Timo Kreuzer 2018-02-11 13:43:05 +01:00
parent 9ab3246d43
commit e7b3c66a42
1 changed files with 126 additions and 95 deletions
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221
win32ss/drivers/videoprt/int10.c
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@ -41,7 +41,7 @@ IntInitializeVideoAddressSpace(VOID)
LARGE_INTEGER Offset; LARGE_INTEGER Offset;
SIZE_T ViewSize; SIZE_T ViewSize;
#ifdef _M_IX86 #ifdef _M_IX86
CHAR IVTAndBda[1024+256]; CHAR IVTAndBda[1024 + 256];
#endif // _M_IX86 #endif // _M_IX86
/* Free the 1MB pre-reserved region. In reality, ReactOS should simply support us mapping the view into the reserved area, but it doesn't. */ /* Free the 1MB pre-reserved region. In reality, ReactOS should simply support us mapping the view into the reserved area, but it doesn't. */
@ -151,124 +151,134 @@ IntInitializeVideoAddressSpace(VOID)
#endif #endif
#if defined(_M_IX86) #if defined(_M_IX86)
VP_STATUS NTAPI VP_STATUS
NTAPI
IntInt10AllocateBuffer( IntInt10AllocateBuffer(
IN PVOID Context, IN PVOID Context,
OUT PUSHORT Seg, OUT PUSHORT Seg,
OUT PUSHORT Off, OUT PUSHORT Off,
IN OUT PULONG Length) IN OUT PULONG Length)
{ {
PVOID MemoryAddress; PVOID MemoryAddress;
NTSTATUS Status; NTSTATUS Status;
PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess(); PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
KAPC_STATE ApcState; KAPC_STATE ApcState;
TRACE_(VIDEOPRT, "IntInt10AllocateBuffer\n"); TRACE_(VIDEOPRT, "IntInt10AllocateBuffer\n");
IntAttachToCSRSS(&CallingProcess, &ApcState); IntAttachToCSRSS(&CallingProcess, &ApcState);
MemoryAddress = (PVOID)0x20000; MemoryAddress = (PVOID)0x20000;
Status = ZwAllocateVirtualMemory(NtCurrentProcess(), &MemoryAddress, 0, Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE); &MemoryAddress,
0,
Length,
MEM_COMMIT,
PAGE_EXECUTE_READWRITE);
if (!NT_SUCCESS(Status))
{
WARN_(VIDEOPRT, "- ZwAllocateVirtualMemory failed\n");
IntDetachFromCSRSS(&CallingProcess, &ApcState);
return ERROR_NOT_ENOUGH_MEMORY;
}
if (!NT_SUCCESS(Status)) if (MemoryAddress > (PVOID)(0x100000 - *Length))
{ {
WARN_(VIDEOPRT, "- ZwAllocateVirtualMemory failed\n"); ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, Length,
IntDetachFromCSRSS(&CallingProcess, &ApcState); MEM_RELEASE);
return ERROR_NOT_ENOUGH_MEMORY; WARN_(VIDEOPRT, "- Unacceptable memory allocated\n");
} IntDetachFromCSRSS(&CallingProcess, &ApcState);
return ERROR_NOT_ENOUGH_MEMORY;
}
if (MemoryAddress > (PVOID)(0x100000 - *Length)) *Seg = (USHORT)((ULONG)MemoryAddress >> 4);
{ *Off = (USHORT)((ULONG)MemoryAddress & 0xF);
ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, Length,
MEM_RELEASE);
WARN_(VIDEOPRT, "- Unacceptable memory allocated\n");
IntDetachFromCSRSS(&CallingProcess, &ApcState);
return ERROR_NOT_ENOUGH_MEMORY;
}
*Seg = (USHORT)((ULONG)MemoryAddress >> 4); INFO_(VIDEOPRT, "- Segment: %x\n", (ULONG)MemoryAddress >> 4);
*Off = (USHORT)((ULONG)MemoryAddress & 0xF); INFO_(VIDEOPRT, "- Offset: %x\n", (ULONG)MemoryAddress & 0xF);
INFO_(VIDEOPRT, "- Length: %x\n", *Length);
INFO_(VIDEOPRT, "- Segment: %x\n", (ULONG)MemoryAddress >> 4); IntDetachFromCSRSS(&CallingProcess, &ApcState);
INFO_(VIDEOPRT, "- Offset: %x\n", (ULONG)MemoryAddress & 0xF);
INFO_(VIDEOPRT, "- Length: %x\n", *Length);
IntDetachFromCSRSS(&CallingProcess, &ApcState); return NO_ERROR;
return NO_ERROR;
} }
VP_STATUS NTAPI VP_STATUS
NTAPI
IntInt10FreeBuffer( IntInt10FreeBuffer(
IN PVOID Context, IN PVOID Context,
IN USHORT Seg, IN USHORT Seg,
IN USHORT Off) IN USHORT Off)
{ {
PVOID MemoryAddress = (PVOID)((Seg << 4) | Off); PVOID MemoryAddress = (PVOID)((Seg << 4) | Off);
NTSTATUS Status; NTSTATUS Status;
PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess(); PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
KAPC_STATE ApcState; KAPC_STATE ApcState;
SIZE_T Size = 0; SIZE_T Size = 0;
TRACE_(VIDEOPRT, "IntInt10FreeBuffer\n"); TRACE_(VIDEOPRT, "IntInt10FreeBuffer\n");
INFO_(VIDEOPRT, "- Segment: %x\n", Seg); INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
INFO_(VIDEOPRT, "- Offset: %x\n", Off); INFO_(VIDEOPRT, "- Offset: %x\n", Off);
IntAttachToCSRSS(&CallingProcess, &ApcState); IntAttachToCSRSS(&CallingProcess, &ApcState);
Status = ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, &Size, Status = ZwFreeVirtualMemory(NtCurrentProcess(),
MEM_RELEASE); &MemoryAddress,
IntDetachFromCSRSS(&CallingProcess, &ApcState); &Size,
MEM_RELEASE);
return Status; IntDetachFromCSRSS(&CallingProcess, &ApcState);
return Status;
} }
VP_STATUS NTAPI VP_STATUS
NTAPI
IntInt10ReadMemory( IntInt10ReadMemory(
IN PVOID Context, IN PVOID Context,
IN USHORT Seg, IN USHORT Seg,
IN USHORT Off, IN USHORT Off,
OUT PVOID Buffer, OUT PVOID Buffer,
IN ULONG Length) IN ULONG Length)
{ {
PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess(); PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
KAPC_STATE ApcState; KAPC_STATE ApcState;
TRACE_(VIDEOPRT, "IntInt10ReadMemory\n"); TRACE_(VIDEOPRT, "IntInt10ReadMemory\n");
INFO_(VIDEOPRT, "- Segment: %x\n", Seg); INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
INFO_(VIDEOPRT, "- Offset: %x\n", Off); INFO_(VIDEOPRT, "- Offset: %x\n", Off);
INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer); INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer);
INFO_(VIDEOPRT, "- Length: %x\n", Length); INFO_(VIDEOPRT, "- Length: %x\n", Length);
IntAttachToCSRSS(&CallingProcess, &ApcState); IntAttachToCSRSS(&CallingProcess, &ApcState);
RtlCopyMemory(Buffer, (PVOID)((Seg << 4) | Off), Length); RtlCopyMemory(Buffer, (PVOID)((Seg << 4) | Off), Length);
IntDetachFromCSRSS(&CallingProcess, &ApcState); IntDetachFromCSRSS(&CallingProcess, &ApcState);
return NO_ERROR; return NO_ERROR;
} }
VP_STATUS NTAPI VP_STATUS
NTAPI
IntInt10WriteMemory( IntInt10WriteMemory(
IN PVOID Context, IN PVOID Context,
IN USHORT Seg, IN USHORT Seg,
IN USHORT Off, IN USHORT Off,
IN PVOID Buffer, IN PVOID Buffer,
IN ULONG Length) IN ULONG Length)
{ {
PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess(); PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
KAPC_STATE ApcState; KAPC_STATE ApcState;
TRACE_(VIDEOPRT, "IntInt10WriteMemory\n"); TRACE_(VIDEOPRT, "IntInt10WriteMemory\n");
INFO_(VIDEOPRT, "- Segment: %x\n", Seg); INFO_(VIDEOPRT, "- Segment: %x\n", Seg);
INFO_(VIDEOPRT, "- Offset: %x\n", Off); INFO_(VIDEOPRT, "- Offset: %x\n", Off);
INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer); INFO_(VIDEOPRT, "- Buffer: %x\n", Buffer);
INFO_(VIDEOPRT, "- Length: %x\n", Length); INFO_(VIDEOPRT, "- Length: %x\n", Length);
IntAttachToCSRSS(&CallingProcess, &ApcState); IntAttachToCSRSS(&CallingProcess, &ApcState);
RtlCopyMemory((PVOID)((Seg << 4) | Off), Buffer, Length); RtlCopyMemory((PVOID)((Seg << 4) | Off), Buffer, Length);
IntDetachFromCSRSS(&CallingProcess, &ApcState); IntDetachFromCSRSS(&CallingProcess, &ApcState);
return NO_ERROR; return NO_ERROR;
} }
VP_STATUS VP_STATUS
@ -286,7 +296,7 @@ IntInt10CallBios(
IntAttachToCSRSS(&CallingProcess, &ApcState); IntAttachToCSRSS(&CallingProcess, &ApcState);
/* Clear the context */ /* Clear the context */
RtlZeroMemory(&BiosContext, sizeof(CONTEXT)); RtlZeroMemory(&BiosContext, sizeof(BiosContext));
/* Fill out the bios arguments */ /* Fill out the bios arguments */
BiosContext.Eax = BiosArguments->Eax; BiosContext.Eax = BiosArguments->Eax;
@ -300,8 +310,14 @@ IntInt10CallBios(
BiosContext.SegEs = BiosArguments->SegEs; BiosContext.SegEs = BiosArguments->SegEs;
/* Do the ROM BIOS call */ /* Do the ROM BIOS call */
(void)KeWaitForMutexObject(&VideoPortInt10Mutex, Executive, KernelMode, FALSE, NULL); (void)KeWaitForMutexObject(&VideoPortInt10Mutex,
Executive,
KernelMode,
FALSE,
NULL);
Status = Ke386CallBios(0x10, &BiosContext); Status = Ke386CallBios(0x10, &BiosContext);
KeReleaseMutex(&VideoPortInt10Mutex, FALSE); KeReleaseMutex(&VideoPortInt10Mutex, FALSE);
/* Return the arguments */ /* Return the arguments */
@ -317,7 +333,12 @@ IntInt10CallBios(
/* Detach and return status */ /* Detach and return status */
IntDetachFromCSRSS(&CallingProcess, &ApcState); IntDetachFromCSRSS(&CallingProcess, &ApcState);
if (NT_SUCCESS(Status)) return NO_ERROR;
if (NT_SUCCESS(Status))
{
return NO_ERROR;
}
return ERROR_INVALID_PARAMETER; return ERROR_INVALID_PARAMETER;
} }
#endif #endif
@ -328,7 +349,8 @@ IntInt10CallBios(
* @implemented * @implemented
*/ */
VP_STATUS NTAPI VP_STATUS
NTAPI
VideoPortInt10( VideoPortInt10(
IN PVOID HwDeviceExtension, IN PVOID HwDeviceExtension,
IN PVIDEO_X86_BIOS_ARGUMENTS BiosArguments) IN PVIDEO_X86_BIOS_ARGUMENTS BiosArguments)
@ -341,7 +363,7 @@ VideoPortInt10(
if (!CsrssInitialized) if (!CsrssInitialized)
{ {
return ERROR_INVALID_PARAMETER; return ERROR_INVALID_PARAMETER;
} }
/* Attach to CSRSS */ /* Attach to CSRSS */
@ -360,7 +382,11 @@ VideoPortInt10(
BiosContext.Ebp = BiosArguments->Ebp; BiosContext.Ebp = BiosArguments->Ebp;
/* Do the ROM BIOS call */ /* Do the ROM BIOS call */
(void)KeWaitForMutexObject(&VideoPortInt10Mutex, Executive, KernelMode, FALSE, NULL); (void)KeWaitForMutexObject(&VideoPortInt10Mutex,
Executive,
KernelMode,
FALSE,
NULL);
Status = Ke386CallBios(0x10, &BiosContext); Status = Ke386CallBios(0x10, &BiosContext);
KeReleaseMutex(&VideoPortInt10Mutex, FALSE); KeReleaseMutex(&VideoPortInt10Mutex, FALSE);
@ -375,7 +401,12 @@ VideoPortInt10(
/* Detach from CSRSS */ /* Detach from CSRSS */
IntDetachFromCSRSS(&CallingProcess, &ApcState); IntDetachFromCSRSS(&CallingProcess, &ApcState);
if (NT_SUCCESS(Status)) return NO_ERROR;
if (NT_SUCCESS(Status))
{
return NO_ERROR;
}
return ERROR_INVALID_PARAMETER; return ERROR_INVALID_PARAMETER;
#else #else
/* Not implemented for anything else than X86*/ /* Not implemented for anything else than X86*/