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Implemented VWin32 VxDCall mechanism and 2 calls.

This commit is contained in:
Ian Schmidt 1999-11-12 03:28:26 +00:00 committed by Alexandre Julliard
parent 857e054912
commit 796c0f1223
1 changed files with 64 additions and 1 deletions
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65
win32/device.c
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@ -25,6 +25,7 @@
#include "winbase.h"
#include "winreg.h"
#include "winerror.h"
#include "winversion.h"
#include "file.h"
#include "process.h"
#include "mmsystem.h"
@ -64,6 +65,8 @@ static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode,
LPDWORD lpcbBytesReturned,
LPOVERLAPPED lpOverlapped);
static DWORD VxDCall_VWin32( DWORD service, CONTEXT *context );
static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
LPVOID lpvOutBuffer, DWORD cbOutBuffer,
@ -132,7 +135,7 @@ static const struct VxDInfo VxDList[] =
{ "VXDLDR", 0x0027, NULL, NULL },
{ "NDIS", 0x0028, NULL, NULL },
{ "BIOS_EXT", 0x0029, NULL, NULL },
{ "VWIN32", 0x002A, NULL, DeviceIo_VWin32 },
{ "VWIN32", 0x002A, VxDCall_VWin32, DeviceIo_VWin32 },
{ "VCOMM", 0x002B, NULL, NULL },
{ "SPOOLER", 0x002C, NULL, NULL },
{ "WIN32S", 0x002D, NULL, NULL },
@ -783,6 +786,66 @@ static BOOL DeviceIo_IFSMgr(DWORD dwIoControlCode, LPVOID lpvInBuffer, DWORD cbI
return retv;
}
/********************************************************************************
* VxDCall_VWin32
*
* Service numbers taken from page 448 of Pietrek's "Windows 95 System
* Progrmaming Secrets". Parameters from experimentation on real Win98.
*
*/
static DWORD VxDCall_VWin32( DWORD service, CONTEXT *context )
{
switch ( LOWORD(service) )
{
case 0x0000: /* GetVersion */
{
DWORD vers = VERSION_GetVersion();
switch (vers)
{
case WIN31:
return(0x0301); /* Windows 3.1 */
break;
case WIN95:
return(0x0400); /* Win95 aka 4.0 */
break;
case WIN98:
return(0x040a); /* Win98 aka 4.10 */
break;
case NT351:
case NT40:
ERR("VxDCall when emulating NT???\n");
break;
default:
WARN("Unknown version %lx\n", vers);
break;
}
return(0x040a); /* default to win98 */
}
break;
case 0x002a: /* Int41 dispatch - parm = int41 service number */
{
DWORD callnum = (DWORD) stack32_pop(context);
return callnum; /* FIXME: should really call INT_Int41Handler() */
}
break;
default:
FIXME("Unknown VWin32 service %08lx\n", service);
break;
}
return 0xffffffff;
}
/***********************************************************************
* DeviceIo_VWin32