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DirtboxKernel.cpp
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2015 lines (1552 loc) · 49 KB
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// Emulated xboxkrnl.exe functions
#include "DirtboxEmulator.h"
#include "DirtboxKernel.h"
#include "Native.h"
#include <malloc.h>
#include <process.h>
namespace Dirtbox
{
OBJECT_TYPE ExEventObjectType;
DWORD HalDiskCachePartitionCount;
ANSI_STRING HalDiskModelNumber;
ANSI_STRING HalDiskSerialNumber;
OBJECT_TYPE IoFileObjectType;
KSYSTEM_TIME KeTickCount;
DWORD LaunchDataPage;
OBJECT_TYPE PsThreadObjectType;
XBOX_HARDWARE_INFO XboxHardwareInfo;
CHAR XboxHDKey[16];
XBOX_KRNL_VERSION XboxKrnlVersion;
DWORD XeImageFileName;
DWORD HalBootSMCVideoMode;
DWORD IdexChannelObject;
PVOID AvpSavedDataAddress = (PVOID)0;
}
PVOID WINAPI Dirtbox::AvGetSavedDataAddress()
{
SwapTibs();
DebugPrint("AvGetSavedDataAddress");
SwapTibs();
return AvpSavedDataAddress;
}
VOID WINAPI Dirtbox::AvSendTVEncoderOption(
PVOID RegisterBase, DWORD Option, DWORD Param, PDWORD Result
)
{
SwapTibs();
DebugPrint("AvSendTVEncoderOption: 0x%08x %i %i",
RegisterBase, Option, Param);
if (Result != (PDWORD)0)
*Result = 0;
SwapTibs();
}
DWORD WINAPI Dirtbox::AvSetDisplayMode(
PVOID RegisterBase, DWORD Step, DWORD Mode, DWORD Format,
DWORD Pitch, DWORD FrameBuffer
)
{
SwapTibs();
DebugPrint("AvSetDisplayMode: 0x%08x %i %i %i %i 0x%x",
RegisterBase, Step, Mode, Format, Pitch, FrameBuffer);
SwapTibs();
return 0;
}
VOID WINAPI Dirtbox::AvSetSavedDataAddress(
PVOID Address
)
{
SwapTibs();
DebugPrint("AvSetSavedDataAddress: 0x%08x",
Address);
AvpSavedDataAddress = Address;
SwapTibs();
}
NTSTATUS WINAPI Dirtbox::DbgPrint(
PSTR Output
)
{
SwapTibs();
DebugPrint("DbgPrint: \"%s\"", Output);
SwapTibs();
return STATUS_SUCCESS;
}
PVOID WINAPI Dirtbox::ExAllocatePool(
DWORD NumberOfBytes
)
{
return ExAllocatePoolWithTag(NumberOfBytes, 0x656E6F4E); // "None"
}
PVOID WINAPI Dirtbox::ExAllocatePoolWithTag(
DWORD NumberOfBytes, DWORD Tag
)
{
SwapTibs();
DebugPrint("ExAllocatePoolWithTag: 0x%x 0x%x", NumberOfBytes, Tag);
// Don't see how Tag could be used
PVOID Res = malloc(NumberOfBytes);
SwapTibs();
return Res;
}
VOID WINAPI Dirtbox::ExFreePool(
PVOID Pool
)
{
SwapTibs();
DebugPrint("ExFreePool: 0x%08x", Pool);
free(Pool);
SwapTibs();
}
DWORD WINAPI Dirtbox::ExQueryPoolBlockSize(
PVOID PoolBlock
)
{
SwapTibs();
DebugPrint("ExQueryPoolBlockSize: 0x%08x", PoolBlock);
DWORD Res = (DWORD)_msize(PoolBlock);
SwapTibs();
return Res;
}
NTSTATUS WINAPI Dirtbox::ExQueryNonVolatileSetting(
XC_VALUE_INDEX ValueIndex, PDWORD Type, PBYTE Value, DWORD ValueLength,
PDWORD ResultLength
)
{
SwapTibs();
DebugPrint("ExQueryNonVolatileSetting: %i 0x%08x 0x%08x 0x%x 0x%08x",
ValueIndex, Type, Value, ValueLength, ResultLength);
NTSTATUS Res = STATUS_SUCCESS;
switch(ValueIndex)
{
case XC_LANGUAGE:
*(DWORD *)Value = 1; // English
break;
case XC_AUDIO_FLAGS:
*(DWORD *)Value = 0; // Stereo, no AC3, no DTS
break;
case XC_PARENTAL_CONTROL_GAMES:
*(DWORD *)Value = 0; // No restrictions
break;
case XC_MISC_FLAGS:
*(DWORD *)Value = 0; // No automatic power down
break;
case XC_MAX_OS:
Res = STATUS_UNSUCCESSFUL;
break;
default:
Res = STATUS_UNSUCCESSFUL;
}
SwapTibs();
return Res;
}
DWORD WINAPI Dirtbox::HalGetInterruptVector(
DWORD BusInterruptLevel, PKIRQL Irql
)
{
SwapTibs();
DebugPrint("HalGetInterruptVector: 0x%x 0x%08x",
BusInterruptLevel, Irql);
DWORD result;
result = BusInterruptLevel + 48;
if ((BusInterruptLevel + 48) < 0x30 || result > 0x4A)
result = 0;
else
*Irql = 74 - (KIRQL)result;
SwapTibs();
return result;
}
VOID WINAPI Dirtbox::HalReadWritePCISpace(
DWORD BusNumber, DWORD SlotNumber, DWORD RegisterNumber, PVOID Buffer,
DWORD Length, BOOLEAN WritePCISpace
)
{
SwapTibs();
DebugPrint("HalReadWritePCISpace: 0x%x 0x%x 0x%x 0x%08x %i %i",
BusNumber, SlotNumber, RegisterNumber, Buffer, Length, WritePCISpace);
if (!WritePCISpace) // read
{
PBYTE c = (PBYTE)Buffer;
for (DWORD i = 0; i < Length; i++)
c[i] = 0;
}
SwapTibs();
}
VOID WINAPI Dirtbox::HalRegisterShutdownNotification(
PHAL_SHUTDOWN_REGISTRATION ShutdownRegistration, CHAR Register
)
{
SwapTibs();
DebugPrint("HalRegisterShutdownNotification: 0x%08x 0x%x",
ShutdownRegistration, Register);
SwapTibs();
}
VOID WINAPI Dirtbox::HalReturnToFirmware(
RETURN_FIRMWARE Routine
)
{
SwapTibs();
DebugPrint("HalReturnToFirmware: 0x%x",
Routine);
FreeTib();
exit(0);
}
PIRP WINAPI Dirtbox::IoBuildSynchronousFsdRequest(
DWORD MajorFunction, PDEVICE_OBJECT DeviceObject, PVOID Buffer, DWORD Length,
PLARGE_INTEGER StartingOffset, PKEVENT Event, PIO_STATUS_BLOCK IoStatusBlock
)
{
SwapTibs();
DebugPrint("IoBuildSynchronousFsdRequest: 0x%x 0x%08x 0x%08x 0x%x 0x%08x 0x%08x 0x%08x",
MajorFunction, DeviceObject, Buffer, Length, StartingOffset, Event, IoStatusBlock);
SwapTibs();
return NULL;
}
NTSTATUS WINAPI Dirtbox::IoCreateDevice(
PDRIVER_OBJECT DriverObject, DWORD DeviceExtensionSize, PANSI_STRING DeviceName,
DWORD DeviceType, BOOLEAN Exclusive, PDEVICE_OBJECT *DeviceObject
)
{
SwapTibs();
DebugPrint("IoCreateDevice: 0x%08x 0x%x \"%s\" 0x%x %i 0x%08x",
DriverObject, DeviceExtensionSize, DeviceName->Buffer, DeviceType,
Exclusive, DeviceObject);
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
NTSTATUS WINAPI Dirtbox::IoCreateSymbolicLink(
PANSI_STRING SymbolicLinkName,
PANSI_STRING DeviceName
)
{
SwapTibs();
DebugPrint("IoCreateSymbolicLink: \"%s\" \"%s\"",
SymbolicLinkName->Buffer, DeviceName->Buffer);
// We can ignore this so far, since DOS drives created already.
SwapTibs();
return STATUS_SUCCESS;
}
NTSTATUS WINAPI Dirtbox::IoDeleteSymbolicLink(
PANSI_STRING SymbolicLinkName
)
{
SwapTibs();
DebugPrint("IoDeleteSymbolicLink: \"%s\"",
SymbolicLinkName->Buffer);
// We can ignore this so far, since DOS drives created already.
SwapTibs();
return STATUS_SUCCESS;
}
NTSTATUS WINAPI Dirtbox::IoInvalidDeviceRequest(
PDEVICE_OBJECT DeviceObject, PIRP Irp
)
{
SwapTibs();
DebugPrint("IoInvalidDeviceRequest: 0x%08x 0x%08x", DeviceObject, Irp);
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
VOID WINAPI Dirtbox::IoStartNextPacket(
PDEVICE_OBJECT DeviceObject
)
{
SwapTibs();
DebugPrint("IoStartNextPacket: 0x%08x", DeviceObject);
SwapTibs();
}
VOID WINAPI Dirtbox::IoStartPacket(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PDWORD Key
)
{
SwapTibs();
DebugPrint("IoStartPacket: 0x%08x 0x%08x 0x%08x", DeviceObject, Irp, Key);
SwapTibs();
}
NTSTATUS WINAPI Dirtbox::IoSynchronousDeviceIoControlRequest(
DWORD IoControlCode, PDEVICE_OBJECT DeviceObject,
PVOID InputBuffer, DWORD InputBufferLength, PVOID OutputBuffer, DWORD OutputBufferLength,
PDWORD ReturnedOutputBufferLength, CHAR InternalDeviceIoControl
)
{
SwapTibs();
DebugPrint("IoSynchronousDeviceIoControlRequest: 0x%x 0x%08x 0x%08x 0x%x 0x%08x 0x%x "
"0x%08x %i",
IoControlCode, DeviceObject, InputBuffer, InputBufferLength,
OutputBuffer, OutputBufferLength, ReturnedOutputBufferLength, InternalDeviceIoControl);
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
NTSTATUS WINAPI Dirtbox::IoSynchronousFsdRequest(
DWORD MajorFunction, PDEVICE_OBJECT DeviceObject, PVOID Buffer, DWORD Length,
PLARGE_INTEGER StartingOffset
)
{
SwapTibs();
DebugPrint("IoSynchronousFsdRequest: 0x%x 0x%08x 0x%08x 0x%x 0x%08x",
MajorFunction, DeviceObject, Buffer, Length, StartingOffset);
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
NTSTATUS __fastcall Dirtbox::IofCallDriver(
PDEVICE_OBJECT DeviceObject, PIRP Irp
)
{
SwapTibs();
DebugPrint("IofCallDriver: 0x%08x 0x%08x", DeviceObject, Irp);
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
VOID __fastcall Dirtbox::IofCompleteRequest(
PIRP Irp, CHAR PriorityBoost
)
{
SwapTibs();
DebugPrint("IofCompleteRequest: 0x%08x %i", Irp, PriorityBoost);
SwapTibs();
}
VOID WINAPI Dirtbox::KeBugCheck(
DWORD BugCheckCode
)
{
SwapTibs();
FatalPrint("KeBugCheck: %i", BugCheckCode);
}
BOOLEAN WINAPI Dirtbox::KeCancelTimer(
PKTIMER Timer
)
{
SwapTibs();
DebugPrint("KeCancelTimer: 0x%08x", Timer);
NTSTATUS Res = ::NtCancelTimer(GetDirtObject(Timer), NULL);
SwapTibs();
return NT_SUCCESS(Res);
}
BOOLEAN WINAPI Dirtbox::KeConnectInterrupt(
PKINTERRUPT Interrupt
)
{
SwapTibs();
DebugPrint("KeConnectInterrupt: 0x%08x", Interrupt);
if (Interrupt->Connected)
{
SwapTibs();
return FALSE;
}
Interrupt->Connected = TRUE;
SwapTibs();
return TRUE;
}
NTSTATUS WINAPI Dirtbox::KeDelayExecutionThread(
CHAR WaitMode, BOOLEAN Alertable, PLARGE_INTEGER Interval
)
{
SwapTibs();
DebugPrint("KeDelayExecutionThread: %i %i 0x%08x", WaitMode, Alertable, Interval);
NTSTATUS Ret = ::NtDelayExecution(Alertable, Interval);
SwapTibs();
return Ret;
}
BOOLEAN WINAPI Dirtbox::KeDisconnectInterrupt(
PKINTERRUPT Interrupt
)
{
SwapTibs();
DebugPrint("KeDisconnectInterrupt: 0x%08x", Interrupt);
if (!Interrupt->Connected)
{
SwapTibs();
return FALSE;
}
Interrupt->Connected = FALSE;
SwapTibs();
return TRUE;
}
VOID WINAPI Dirtbox::KeInitializeDpc(
PKDPC Dpc, PKDEFERRED_ROUTINE DeferredRoutine, PVOID DeferredContext
)
{
SwapTibs();
DebugPrint("KeInitializeDpc: 0x%08x 0x%08x 0x%08x", Dpc, DeferredRoutine, DeferredContext);
Dpc->DeferredRoutine = DeferredRoutine;
Dpc->Type = DpcObject;
Dpc->DeferredContext = DeferredContext;
Dpc->Inserted = FALSE;
SwapTibs();
}
VOID WINAPI Dirtbox::KeInitializeEvent(
PKEVENT Event, EVENT_TYPE Type, BOOLEAN State
)
{
SwapTibs();
DebugPrint("KeInitializeEvent: 0x%08x %i %i", Event, Type, State);
Event->Header.Type = Type;
Event->Header.SignalState = State;
Event->Header.Size = sizeof(KEVENT)/4;
Event->Header.WaitListHead.Blink = &Event->Header.WaitListHead;
Event->Header.WaitListHead.Flink = &Event->Header.WaitListHead;
SwapTibs();
}
VOID WINAPI Dirtbox::KeInitializeInterrupt(
PKINTERRUPT Interrupt, PKSERVICE_ROUTINE ServiceRoutine, PVOID ServiceContext, DWORD Vector,
KIRQL Irql, KINTERRUPT_MODE InterruptMode, BOOLEAN ShareVector
)
{
SwapTibs();
DebugPrint("KeInitializeInterrupt: 0x%08x 0x%08x 0x%08x %i %i %i %i",
Interrupt, ServiceRoutine, ServiceContext, Vector, Irql, InterruptMode, ShareVector);
Interrupt->ServiceRoutine = ServiceRoutine;
Interrupt->Irql = Irql;
Interrupt->ServiceContext = ServiceContext;
Interrupt->BusInterruptLevel = Vector - 48;
Interrupt->Mode = InterruptMode;
Interrupt->Connected = FALSE;
SwapTibs();
}
VOID WINAPI Dirtbox::KeInitializeTimerEx(
PKTIMER Timer, TIMER_TYPE Type
)
{
SwapTibs();
DebugPrint("KeInitializeTimerEx: 0x%08x %i", Timer, Type);
Timer->Header.Type = TimerNotificationObject + Type;
Timer->Header.Inserted = FALSE;
Timer->Header.Size = sizeof(KTIMER)/4;
Timer->Header.SignalState = 0;
Timer->Header.WaitListHead.Blink = &Timer->Header.WaitListHead;
Timer->Header.WaitListHead.Flink = &Timer->Header.WaitListHead;
Timer->DueTime.QuadPart = 0L;
Timer->Period = 0;
SwapTibs();
}
BOOLEAN WINAPI Dirtbox::KeInsertQueueDpc(
PKDPC Dpc, PVOID SystemArgument1, PVOID SystemArgument2
)
{
SwapTibs();
DebugPrint("KeInsertQueueDpc: 0x%08x 0x%08x 0x%08x", Dpc, SystemArgument1, SystemArgument2);
if (Dpc->Inserted)
{
SwapTibs();
return FALSE;
}
Dpc->SystemArgument1 = SystemArgument1;
Dpc->SystemArgument2 = SystemArgument2;
Dpc->Inserted = TRUE;
SwapTibs();
return TRUE;
}
KPRIORITY WINAPI Dirtbox::KeQueryBasePriorityThread(
PKTHREAD Thread
)
{
SwapTibs();
DebugPrint("KeQueryBasePriorityThread: 0x%08x", Thread);
// To get the "real" value, use NtQueryInformationThread
KPRIORITY Res = Thread->BasePriority - 8; // 8 == System process's base priority
if (Thread->Saturation)
Res = Thread->Saturation * 16;
SwapTibs();
return Res;
}
DWORDLONG WINAPI Dirtbox::KeQueryInterruptTime()
{
SwapTibs();
DebugPrint("KeQueryInterruptTime");
// Do we even need to implement this?
SwapTibs();
return 0L;
}
VOID WINAPI Dirtbox::KeQuerySystemTime(
PLARGE_INTEGER CurrentTime
)
{
SwapTibs();
DebugPrint("KeQuerySystemTime: 0x%08x", CurrentTime);
NtQuerySystemTime(CurrentTime);
SwapTibs();
}
KIRQL WINAPI Dirtbox::KeRaiseIrqlToDpcLevel()
{
PKPCR Kpcr;
__asm
{
mov eax, fs:[0x1C]
mov Kpcr, eax
}
SwapTibs();
DebugPrint("KeRaiseIrqlToDpcLevel");
KIRQL OldIrql = (KIRQL)Kpcr->Irql;
Kpcr->Irql = 2;
SwapTibs();
return OldIrql;
}
BOOLEAN WINAPI Dirtbox::KeRemoveQueueDpc(
PKDPC Dpc
)
{
SwapTibs();
DebugPrint("KeRemoveQueueDpc: 0x%08x", Dpc);
if (!Dpc->Inserted)
{
SwapTibs();
return FALSE;
}
// TODO the rest
Dpc->Inserted = FALSE;
SwapTibs();
return TRUE;
}
NTSTATUS WINAPI Dirtbox::KeRestoreFloatingPointState(
PKFLOATING_SAVE PublicFloatSave
)
{
SwapTibs();
DebugPrint("KeRestoreFloatingPointSave: 0x%08x", PublicFloatSave);
// TODO
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
NTSTATUS WINAPI Dirtbox::KeSaveFloatingPointState(
PKFLOATING_SAVE PublicFloatSave
)
{
SwapTibs();
DebugPrint("KeRestoreFloatingPointSave: 0x%08x", PublicFloatSave);
// TODO
SwapTibs();
return STATUS_UNSUCCESSFUL;
}
LONG WINAPI Dirtbox::KeSetBasePriorityThread(
PKTHREAD Thread, LONG Increment
)
{
SwapTibs();
DebugPrint("KeSetBasePriorityThread: 0x%08x %i", Thread, Increment);
// To set the "real" value, use NtSetInformationThread
// TODO
KPRIORITY Res = Thread->BasePriority - 8; // 8 == System process's base priority
if (Thread->Saturation)
Res = Thread->Saturation * 16;
SwapTibs();
return Res;
}
BOOLEAN WINAPI Dirtbox::KeSetDisableBoostThread(
PKTHREAD Thread, BOOLEAN Disable
)
{
SwapTibs();
DebugPrint("KeSetDisableBoostThread: 0x%08x", Thread, Disable);
BOOLEAN Res = Thread->DisableBoost;
Thread->DisableBoost = Disable;
SwapTibs();
return Res;
}
BOOLEAN WINAPI Dirtbox::KeSetEvent(
PKEVENT Event, LONG Increment, BOOLEAN Wait
)
{
SwapTibs();
DebugPrint("KeSetEvent: 0x%08x %i %i", Event, Increment, Wait);
if (Event->Header.Type != 0)
FatalPrint("KeSetEvent: Events other than Notification Events not implemented.");
if (Event->Header.WaitListHead.Flink != &Event->Header.WaitListHead)
FatalPrint("KeSetEvent: Events with more than two threads not supported.");
// Event->Header.SignalState = 1;
NTSTATUS Res = ::NtSetEvent(GetDirtObject(Event), NULL);
SwapTibs();
return NT_SUCCESS(Res);
}
BOOLEAN WINAPI Dirtbox::KeSetTimer(
PKTIMER Timer, LARGE_INTEGER DueTime, PKDPC Dpc
)
{
return KeSetTimerEx(Timer, DueTime, 0, Dpc);
}
BOOLEAN WINAPI Dirtbox::KeSetTimerEx(
PKTIMER Timer, LARGE_INTEGER DueTime, LONG Period, PKDPC Dpc
)
{
SwapTibs();
DebugPrint("KeSetTimerEx: 0x%08x 0x%08x %i 0x%08x", Timer, DueTime, Period, Dpc);
// TODO: Handle APCs/DPCs
NTSTATUS Res = ::NtSetTimer(
GetDirtObject(Timer), &DueTime, NULL, NULL, FALSE, Period, NULL
);
SwapTibs();
return NT_SUCCESS(Res);
}
VOID WINAPI Dirtbox::KeStallExecutionProcessor(
DWORD MicroSeconds
)
{
SwapTibs();
DebugPrint("KeStallExecutionProcessor: %i", MicroSeconds);
// TODO
SwapTibs();
}
BOOLEAN WINAPI Dirtbox::KeSynchronizeExecution(
PKINTERRUPT Interrupt, PKSYNCHRONIZE_ROUTINE SynchronizeRoutine, PVOID SynchronizeContext
)
{
SwapTibs();
DebugPrint("KeSynchronizeExecution: 0x%08x 0x%08x 0x%08x",
Interrupt, SynchronizeRoutine, SynchronizeContext);
// I don't think we need to do anything here for now
SwapTibs();
return TRUE;
}
NTSTATUS WINAPI Dirtbox::KeWaitForMultipleObjects(
DWORD Count, PVOID *Object, WAIT_TYPE WaitType, KWAIT_REASON WaitReason,
KPROCESSOR_MODE WaitMode, BOOLEAN Alertable, PLARGE_INTEGER Timeout,
PKWAIT_BLOCK WaitBlockArray
)
{
SwapTibs();
DebugPrint("KeWaitForMultipleObjects: 0x%x 0x%08x %i %i %i %i 0x%08x 0x%08x",
Count, Object, WaitType, WaitReason, WaitMode, Alertable, Timeout, WaitBlockArray);
PHANDLE NtObject = (PHANDLE)malloc(Count * sizeof(HANDLE));
for (DWORD i = 0; i < Count; i++)
NtObject[i] = GetDirtObject(Object[i]);
NTSTATUS Res = ::NtWaitForMultipleObjects(
Count, NtObject, WaitType, Alertable, Timeout
);
free(NtObject);
SwapTibs();
return Res;
}
NTSTATUS WINAPI Dirtbox::KeWaitForSingleObject(
PVOID Object, KWAIT_REASON WaitReason, KPROCESSOR_MODE WaitMode, BOOLEAN Alertable,
PLARGE_INTEGER Timeout
)
{
SwapTibs();
DebugPrint("KeWaitForSingleObject: 0x%08x %i %i %i 0x%08x",
Object, WaitReason, WaitMode, Alertable, Timeout);
// TODO: We gotta signal the VBlank object
::NtWaitForSingleObject(GetDirtObject(Object), Alertable, Timeout);
SwapTibs();
return STATUS_SUCCESS;
}
DWORD __fastcall Dirtbox::KfRaiseIrql(KIRQL NewIrql)
{
PKPCR Kpcr;
__asm
{
mov eax, fs:[0x1C]
mov Kpcr, eax
}
SwapTibs();
DebugPrint("KfRaiseIrql: %i", NewIrql);
Kpcr->Irql = NewIrql;
SwapTibs();
return 0;
}
DWORD __fastcall Dirtbox::KfLowerIrql(KIRQL NewIrql)
{
PKPCR Kpcr;
__asm
{
mov eax, fs:[0x1C]
mov Kpcr, eax
}
SwapTibs();
DebugPrint("KfLowerIrql: %i", NewIrql);
Kpcr->Irql = NewIrql;
SwapTibs();
return 0;
}
PVOID WINAPI Dirtbox::MmAllocateContiguousMemory(
DWORD NumberOfBytes
)
{
return MmAllocateContiguousMemoryEx(NumberOfBytes, 0, 0xFFFFFFFF, 0, PAGE_READWRITE);
}
PVOID WINAPI Dirtbox::MmAllocateContiguousMemoryEx(
DWORD NumberOfBytes, DWORD LowestAcceptableAddress, DWORD HighestAcceptableAddress,
DWORD Alignment, DWORD ProtectionType
)
{
SwapTibs();
DebugPrint("MmAllocateContiguousMemoryEx: 0x%x 0x%08x 0x%08x 0x%x 0x%08x",
NumberOfBytes, LowestAcceptableAddress, HighestAcceptableAddress, Alignment, ProtectionType);
if ((Alignment - 1) & Alignment)
{
DebugPrint("MmAllocateContiguousMemoryEx: alignment not power of 2");
return NULL;
}
if (Alignment == 0)
Alignment = 0x1000;
DWORD AlignmentMask = ~(Alignment - 1);
PVOID Buf;
DWORD StartAddress;
DWORD EndAddress;
if (HighestAcceptableAddress == 0xFFFFFFFF)
EndAddress = 0x83FD6000;
else
EndAddress = HighestAcceptableAddress | 0x80000000;
ProtectionType &= ~PAGE_WRITECOMBINE;
while (TRUE)
{
StartAddress = (EndAddress - NumberOfBytes) & AlignmentMask;
if (StartAddress < (LowestAcceptableAddress | 0x80000000))
break;
Buf = VirtualAlloc(
(PVOID)StartAddress, NumberOfBytes, MEM_COMMIT | MEM_RESERVE, ProtectionType
);
EndAddress -= Alignment;
if (Buf != NULL)
break;
}
SwapTibs();
return Buf;
}
PVOID WINAPI Dirtbox::MmClaimGpuInstanceMemory(
DWORD NumberOfBytes, PDWORD NumberOfPaddingBytes
)
{
SwapTibs();
DebugPrint("MmClaimGpuInstanceMemory: 0x%x 0x%08x", NumberOfBytes, NumberOfPaddingBytes);
*NumberOfPaddingBytes = PADDING_SIZE;
if (NumberOfBytes == 0xFFFFFFFF)
NumberOfBytes = GPU_INST_SIZE;
// A hack since we're not actually returning the memory at the
// end of physical space, but the "virtual GPU memory address."
// Hence why I selected as 0x84000000 as new register base.
DWORD Res = REGISTER_BASE + NV_GPU_INST + PADDING_SIZE + GPU_INST_SIZE;
SwapTibs();
return (PVOID)Res;
}
VOID WINAPI Dirtbox::MmFreeContiguousMemory(
PVOID BaseAddress
)
{
SwapTibs();
DebugPrint("MmFreeContiguousMemory: 0x%08x", BaseAddress);
VirtualFree(BaseAddress, 0, MEM_RELEASE);
SwapTibs();
}
DWORD WINAPI Dirtbox::MmGetPhysicalAddress(
PVOID BaseAddress
)
{
SwapTibs();
DebugPrint("MmGetPhysicalAddress: 0x%08x", BaseAddress);
SwapTibs();
return (DWORD)BaseAddress;
}
VOID WINAPI Dirtbox::MmLockUnlockBufferPages(
PVOID BaseAddress, DWORD NumberOfBytes, BOOLEAN UnlockPages
)
{
SwapTibs();
DebugPrint("MmLockUnlockBufferPages: 0x%08x 0x%x %i",
BaseAddress, NumberOfBytes, UnlockPages);
SwapTibs();
}
VOID WINAPI Dirtbox::MmLockUnlockPhysicalPage(
DWORD PhysicalAddress, BOOLEAN UnlockPage
)
{
SwapTibs();
DebugPrint("MmLockUnlockBufferPages: 0x%08x %i", PhysicalAddress, UnlockPage);
SwapTibs();
}
VOID WINAPI Dirtbox::MmPersistContiguousMemory(
PVOID BaseAddress, DWORD NumberOfBytes, BOOLEAN Persist
)
{
SwapTibs();
DebugPrint("MmPersistContiguousMemory: 0x%08x 0x%x %i",
BaseAddress, NumberOfBytes, Persist);
// Not sure if we need to implement this
SwapTibs();
}
DWORD WINAPI Dirtbox::MmQueryAddressProtect(
PVOID VirtualAddress