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Add a proper implementation for NtUserIoApcDispatcher

This commit is contained in:
Luke Usher 2017-03-11 22:25:07 +00:00 committed by Luke Usher
parent 2be102d047
commit 86dfc06720
2 changed files with 10 additions and 51 deletions
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3
import/OpenXDK/include/xboxkrnl/xboxkrnl.h
View File

@ -1015,8 +1015,7 @@ typedef struct _IO_STATUS_BLOCK
{
NTSTATUS Status;
PVOID Pointer;
}
u1;
};
ULONG_PTR Information;
}

58
src/CxbxKrnl/EmuKrnlNt.cpp
View File

@ -1654,59 +1654,19 @@ XBSYSAPI EXPORTNUM(232) xboxkrnl::VOID NTAPI xboxkrnl::NtUserIoApcDispatcher
LOG_FUNC_ARG(Reserved)
LOG_FUNC_END;
uint32 dwEsi, dwEax, dwEcx;
ULONG dwErrorCode = 0;
ULONG dwTransferred = 0;
dwEsi = (uint32)IoStatusBlock;
if ((IoStatusBlock->u1.Status & 0xC0000000) == 0xC0000000)
{
dwEcx = 0;
dwEax = NtDll::RtlNtStatusToDosError(IoStatusBlock->u1.Status);
}
else
{
dwEcx = (DWORD)IoStatusBlock->Information;
dwEax = 0;
if (NT_SUCCESS(IoStatusBlock->Status)) {
dwTransferred = (ULONG)IoStatusBlock->Information;
} else {
dwErrorCode = RtlNtStatusToDosError(IoStatusBlock->Status);
}
/*
// ~XDK 3911??
if(true)
{
dwEsi = dw2;
dwEcx = dw1;
dwEax = dw3;
LPOVERLAPPED_COMPLETION_ROUTINE CompletionRoutine = (LPOVERLAPPED_COMPLETION_ROUTINE)ApcContext;
LPOVERLAPPED lpOverlapped = (LPOVERLAPPED)CONTAINING_RECORD(IoStatusBlock, OVERLAPPED, Internal);
}
else
{
dwEsi = dw1;
dwEcx = dw2;
dwEax = dw3;
}//*/
__asm
{
pushad
/*
mov esi, IoStatusBlock
mov ecx, dwEcx
mov eax, dwEax
*/
// TODO: Figure out if/why this works!? Matches prototype, but not xboxkrnl disassembly
// Seems to be XDK/version dependand??
mov esi, dwEsi
mov ecx, dwEcx
mov eax, dwEax
push esi
push ecx
push eax
call ApcContext
popad
}
(CompletionRoutine)(dwErrorCode, dwTransferred, lpOverlapped);
DbgPrintf("EmuKrnl: NtUserIoApcDispatcher Completed\n");
}