// ******************************************************************
// * func: EmuXGWriteSurfaceOrTextureToXPR
// ******************************************************************
HRESULT WINAPI XTL::EmuXGWriteSurfaceOrTextureToXPR
(
LPVOID pResource,
const char* cPath,
BOOL bWriteSurfaceAsTexture
)
{
EmuSwapFS(); // Win2k/XP FS
DbgPrintf("EmuXapi (0x%X): EmuXGWriteSurfaceOrTextureToXPR\n"
"(\n"
" pResource : 0x%.08X\n"
" cPath : 0x%.08X\n"
" bWriteSurfaceAsTexture : 0x%.08X\n"
");\n",
GetCurrentThreadId(), pResource, cPath, bWriteSurfaceAsTexture);
// TODO: If necessary, either reverse the .xbx and .xpr file formats
// and write the surface/texture to a file, or output a generic .xbx
// file and be done with it.
EmuWarning("(Temporarily) ignoring EmuXGWriteSurfaceOrTextureToXPR. Need file specs.");
EmuSwapFS(); // Xbox FS
return S_OK;
}
giant newgiant(int numshorts)
{
int size;
giant thegiant;
if (numshorts > MAX_SHORTS) {
EmuWarning("Requested giant too big.");
}
if (numshorts <= 0)
numshorts = MAX_SHORTS;
size = numshorts * sizeof(short) + sizeof(int);
thegiant = (giant)malloc(size);
thegiant->sign = 0;
if (newmin(2 * numshorts, MAX_SHORTS) > current_max_size)
current_max_size = newmin(2 * numshorts, MAX_SHORTS);
/* If newgiant() is being called for the first time, set the
* size of the stack giants. */
if (stack_glen == 0) stack_glen = current_max_size;
return(thegiant);
}
void CallSoftwareInterrupt(const xboxkrnl::KIRQL SoftwareIrql)
{
switch (SoftwareIrql) {
case PASSIVE_LEVEL:
KiUnexpectedInterrupt();
break;
case APC_LEVEL: // = 1 // HalpApcInterrupt
EmuWarning("Unimplemented Software Interrupt (APC)"); // TODO : ExecuteApcQueue();
break;
case DISPATCH_LEVEL: // = 2
ExecuteDpcQueue();
break;
case APC_LEVEL | DISPATCH_LEVEL: // = 3
KiUnexpectedInterrupt();
break;
default:
// Software Interrupts > 3 map to Hardware Interrupts [4 = IRQ0]
// This is used to trigger hardware interrupt routines from software
if (EmuInterruptList[SoftwareIrql - 4]->Connected) {
HalSystemInterrupts[SoftwareIrql - 4].Trigger(EmuInterruptList[SoftwareIrql - 4]);
}
break;
}
}
// ******************************************************************
// * 0x0042 - IoCreateFile()
// ******************************************************************
XBSYSAPI EXPORTNUM(66) xboxkrnl::NTSTATUS NTAPI xboxkrnl::IoCreateFile
(
OUT PHANDLE FileHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes,
OUT PIO_STATUS_BLOCK IoStatusBlock,
IN PLARGE_INTEGER AllocationSize OPTIONAL,
IN ULONG FileAttributes,
IN ULONG ShareAccess,
IN ULONG Disposition,
IN ULONG CreateOptions,
IN ULONG Options
)
{
LOG_FUNC_BEGIN
LOG_FUNC_ARG_OUT(FileHandle)
LOG_FUNC_ARG(DesiredAccess)
LOG_FUNC_ARG(ObjectAttributes)
LOG_FUNC_ARG_OUT(IoStatusBlock)
LOG_FUNC_ARG(AllocationSize)
LOG_FUNC_ARG(FileAttributes)
LOG_FUNC_ARG(ShareAccess)
LOG_FUNC_ARG_TYPE(CREATE_DISPOSITION, Disposition)
LOG_FUNC_ARG_TYPE(CREATE_OPTION, CreateOptions)
LOG_FUNC_ARG(Options)
LOG_FUNC_END;
NativeObjectAttributes nativeObjectAttributes;
// If we are NOT accessing a directory, and we match a partition path, we need to redirect to a partition.bin file
bool isDirectPartitionAccess = false;
std::string objectName = std::string(ObjectAttributes->ObjectName->Buffer, ObjectAttributes->ObjectName->Length);
if ((CreateOptions & FILE_DIRECTORY_FILE) == 0 && _strnicmp(objectName.c_str(), DeviceHarddisk0PartitionPrefix.c_str(), DeviceHarddisk0PartitionPrefix.length()) == 0 && objectName.length() <= DeviceHarddisk0PartitionPrefix.length() + 2) {
isDirectPartitionAccess = true;
}
NTSTATUS ret = CxbxObjectAttributesToNT(ObjectAttributes, /*OUT*/nativeObjectAttributes, "IoCreateFile", isDirectPartitionAccess);
// When a Synchronous CreateOption is specified, DesiredAccess must have SYNCHRONIZE set
if ((CreateOptions & FILE_SYNCHRONOUS_IO_NONALERT) != 0 ||
(CreateOptions & FILE_SYNCHRONOUS_IO_ALERT) != 0) {
DesiredAccess |= SYNCHRONIZE;
}
// Force ShareAccess to all
ShareAccess = FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE;
if (SUCCEEDED(ret))
{
// redirect to NtCreateFile
ret = NtDll::NtCreateFile(
FileHandle,
DesiredAccess | GENERIC_READ,
nativeObjectAttributes.NtObjAttrPtr,
NtDll::PIO_STATUS_BLOCK(IoStatusBlock),
NtDll::PLARGE_INTEGER(AllocationSize),
FileAttributes,
ShareAccess,
Disposition,
CreateOptions,
NULL,
0);
if (CxbxDebugger::CanReport())
{
CxbxDebugger::ReportFileOpened(*FileHandle, nativeObjectAttributes.NtUnicodeString.Buffer, SUCCEEDED(ret));
}
}
if (FAILED(ret))
{
EmuWarning("KRNL: IoCreateFile Failed! (%s)\n", NtStatusToString(ret));
}
else
{
DbgPrintf("KRNL: IoCreateFile = 0x%.8X\n", *FileHandle);
}
RETURN(ret);
}
