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Implemented (most) VWin32.VxD DeviceIoControl routines.

This commit is contained in:
Ulrich Weigand 1998-11-25 10:20:03 +00:00 committed by Alexandre Julliard
parent ca1c74751a
commit 1298062519
2 changed files with 108 additions and 1 deletions
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1
include/winioctl.h
View File

@ -236,6 +236,7 @@ typedef struct tagDIOCRegs {
#define VWIN32_DIOC_DOS_INT25 2 /* This is the Absolute Disk Read command - Interrupt 25h */
#define VWIN32_DIOC_DOS_INT26 3 /* This is the Absolute Disk Write command - Interrupt 25h */
#define VWIN32_DIOC_DOS_INT13 4 /* This is Interrupt 13h commands */
#define VWIN32_DIOC_SIMCTRLC 5 /* Simulate Ctrl-C */
#define VWIN32_DIOC_DOS_DRIVEINFO 6 /* This is Interrupt 21h Function 730X commands */
/* Important: All MS_DOS data structures must be packed on a one-byte boundary - good old 16 bit. */

108
win32/device.c
View File

@ -74,6 +74,12 @@ static BOOL32 DeviceIo_IFSMgr(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static BOOL32 DeviceIo_VWin32(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
/*
* VxD names are taken from the Win95 DDK
*/
@ -130,7 +136,7 @@ struct VxDInfo
{ "VXDLDR", 0x0027, NULL, NULL },
{ "NDIS", 0x0028, NULL, NULL },
{ "BIOS_EXT", 0x0029, NULL, NULL },
{ "VWIN32", 0x002A, NULL, NULL },
{ "VWIN32", 0x002A, NULL, DeviceIo_VWin32 },
{ "VCOMM", 0x002B, NULL, NULL },
{ "SPOOLER", 0x002C, NULL, NULL },
{ "WIN32S", 0x002D, NULL, NULL },
@ -838,6 +844,106 @@ static BOOL32 DeviceIo_IFSMgr(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
return retv;
}
/***********************************************************************
* DeviceIo_VWin32
*/
static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT *pCxt )
{
memset( pCxt, 0, sizeof(CONTEXT) );
/* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
will interpret 32-bit register contents as linear pointers */
pCxt->ContextFlags=CONTEXT_INTEGER|CONTEXT_CONTROL;
pCxt->Eax = pIn->reg_EAX;
pCxt->Ebx = pIn->reg_EBX;
pCxt->Ecx = pIn->reg_ECX;
pCxt->Edx = pIn->reg_EDX;
pCxt->Esi = pIn->reg_ESI;
pCxt->Edi = pIn->reg_EDI;
/* FIXME: Only partial CONTEXT_CONTROL */
pCxt->EFlags = pIn->reg_Flags;
}
static void CONTEXT_2_DIOCRegs( CONTEXT *pCxt, DIOC_REGISTERS *pOut )
{
memset( pOut, 0, sizeof(DIOC_REGISTERS) );
pOut->reg_EAX = pCxt->Eax;
pOut->reg_EBX = pCxt->Ebx;
pOut->reg_ECX = pCxt->Ecx;
pOut->reg_EDX = pCxt->Edx;
pOut->reg_ESI = pCxt->Esi;
pOut->reg_EDI = pCxt->Edi;
/* FIXME: Only partial CONTEXT_CONTROL */
pOut->reg_Flags = pCxt->EFlags;
}
static BOOL32 DeviceIo_VWin32(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped)
{
BOOL32 retv = TRUE;
switch (dwIoControlCode)
{
case VWIN32_DIOC_DOS_IOCTL:
case VWIN32_DIOC_DOS_INT13:
case VWIN32_DIOC_DOS_INT25:
case VWIN32_DIOC_DOS_INT26:
{
CONTEXT cxt;
DIOC_REGISTERS *pIn = (DIOC_REGISTERS *)lpvInBuffer;
DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
TRACE( win32, "Control '%s': "
"eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
"edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
(dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" : "???",
pIn->reg_EAX, pIn->reg_EBX, pIn->reg_ECX,
pIn->reg_EDX, pIn->reg_ESI, pIn->reg_EDI );
DIOCRegs_2_CONTEXT( pIn, &cxt );
switch (dwIoControlCode)
{
case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
}
CONTEXT_2_DIOCRegs( &cxt, pOut );
}
break;
case VWIN32_DIOC_SIMCTRLC:
FIXME(win32, "Control VWIN32_DIOC_SIMCTRLC not implemented\n");
retv = FALSE;
break;
default:
FIXME(win32, "Unknown Control %ld\n", dwIoControlCode);
retv = FALSE;
break;
}
return retv;
}
/* this is used by some Origin games */
static BOOL32 DeviceIo_MONODEBG(DEVICE_OBJECT *dev, DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,