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[VIDEOPRT] Fixes for x64

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This commit is contained in:
Timo Kreuzer 2018-02-11 14:01:43 +01:00
parent 832f8863be
commit eba27d5856
1 changed files with 27 additions and 19 deletions
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46
win32ss/drivers/videoprt/int10.c
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@ -150,7 +150,6 @@ IntInitializeVideoAddressSpace(VOID)
}
#endif
#if defined(_M_IX86)
VP_STATUS
NTAPI
IntInt10AllocateBuffer(
@ -163,16 +162,18 @@ IntInt10AllocateBuffer(
NTSTATUS Status;
PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
KAPC_STATE ApcState;
SIZE_T Size;
TRACE_(VIDEOPRT, "IntInt10AllocateBuffer\n");
IntAttachToCSRSS(&CallingProcess, &ApcState);
Size = *Length;
MemoryAddress = (PVOID)0x20000;
Status = ZwAllocateVirtualMemory(NtCurrentProcess(),
&MemoryAddress,
0,
Length,
&Size,
MEM_COMMIT,
PAGE_EXECUTE_READWRITE);
if (!NT_SUCCESS(Status))
@ -182,20 +183,23 @@ IntInt10AllocateBuffer(
return ERROR_NOT_ENOUGH_MEMORY;
}
if (MemoryAddress > (PVOID)(0x100000 - *Length))
if (MemoryAddress > (PVOID)(0x100000 - Size))
{
ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, Length,
MEM_RELEASE);
ZwFreeVirtualMemory(NtCurrentProcess(),
&MemoryAddress,
&Size,
MEM_RELEASE);
WARN_(VIDEOPRT, "- Unacceptable memory allocated\n");
IntDetachFromCSRSS(&CallingProcess, &ApcState);
return ERROR_NOT_ENOUGH_MEMORY;
}
*Seg = (USHORT)((ULONG)MemoryAddress >> 4);
*Off = (USHORT)((ULONG)MemoryAddress & 0xF);
*Length = (ULONG)Size;
*Seg = (USHORT)((ULONG_PTR)MemoryAddress >> 4);
*Off = (USHORT)((ULONG_PTR)MemoryAddress & 0xF);
INFO_(VIDEOPRT, "- Segment: %x\n", (ULONG)MemoryAddress >> 4);
INFO_(VIDEOPRT, "- Offset: %x\n", (ULONG)MemoryAddress & 0xF);
INFO_(VIDEOPRT, "- Segment: %x\n", (ULONG_PTR)MemoryAddress >> 4);
INFO_(VIDEOPRT, "- Offset: %x\n", (ULONG_PTR)MemoryAddress & 0xF);
INFO_(VIDEOPRT, "- Length: %x\n", *Length);
IntDetachFromCSRSS(&CallingProcess, &ApcState);
@ -210,7 +214,7 @@ IntInt10FreeBuffer(
IN USHORT Seg,
IN USHORT Off)
{
PVOID MemoryAddress = (PVOID)((Seg << 4) | Off);
PVOID MemoryAddress = (PVOID)((ULONG_PTR)(Seg << 4) | Off);
NTSTATUS Status;
PKPROCESS CallingProcess = (PKPROCESS)PsGetCurrentProcess();
KAPC_STATE ApcState;
@ -250,7 +254,7 @@ IntInt10ReadMemory(
INFO_(VIDEOPRT, "- Length: %x\n", Length);
IntAttachToCSRSS(&CallingProcess, &ApcState);
RtlCopyMemory(Buffer, (PVOID)((Seg << 4) | Off), Length);
RtlCopyMemory(Buffer, (PVOID)((ULONG_PTR)(Seg << 4) | Off), Length);
IntDetachFromCSRSS(&CallingProcess, &ApcState);
return NO_ERROR;
@ -275,12 +279,13 @@ IntInt10WriteMemory(
INFO_(VIDEOPRT, "- Length: %x\n", Length);
IntAttachToCSRSS(&CallingProcess, &ApcState);
RtlCopyMemory((PVOID)((Seg << 4) | Off), Buffer, Length);
RtlCopyMemory((PVOID)((ULONG_PTR)(Seg << 4) | Off), Buffer, Length);
IntDetachFromCSRSS(&CallingProcess, &ApcState);
return NO_ERROR;
}
#if defined(_M_IX86)
VP_STATUS
NTAPI
IntInt10CallBios(
@ -341,6 +346,16 @@ IntInt10CallBios(
return ERROR_INVALID_PARAMETER;
}
#else
VP_STATUS
NTAPI
IntInt10CallBios(
IN PVOID Context,
IN OUT PINT10_BIOS_ARGUMENTS BiosArguments)
{
DPRINT1("Int10 not available on non-x86!\n");
return ERROR_INVALID_FUNCTION;
}
#endif
/* PUBLIC FUNCTIONS ***********************************************************/
@ -348,14 +363,12 @@ IntInt10CallBios(
/*
* @implemented
*/
VP_STATUS
NTAPI
VideoPortInt10(
IN PVOID HwDeviceExtension,
IN PVIDEO_X86_BIOS_ARGUMENTS BiosArguments)
{
#if defined(_M_IX86)
INT10_BIOS_ARGUMENTS Int10BiosArguments;
VP_STATUS Status;
@ -376,9 +389,4 @@ VideoPortInt10(
RtlCopyMemory(BiosArguments, &Int10BiosArguments, sizeof(BiosArguments));
return Status;
#else
/* Not implemented for anything else than X86*/
DPRINT1("Int10 not available on non-x86!\n");
return ERROR_INVALID_FUNCTION;
#endif
}