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winedos: Merge the XMS handler into int31.c.

This commit is contained in:
Alexandre Julliard 2010-01-04 13:54:43 +01:00
parent 58cd87abb1
commit 741690faa4
4 changed files with 101 additions and 141 deletions
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3
dlls/winedos/Makefile.in
View File

@ -33,8 +33,7 @@ C_SRCS = \
relay.c \
soundblaster.c \
timer.c \
vga.c \
xms.c
vga.c
@MAKE_DLL_RULES@

3
dlls/winedos/dosexe.h
View File

@ -489,7 +489,4 @@ extern char IO_pp_init(void);
/* timer.c */
extern void WINAPI DOSVM_Int08Handler(CONTEXT86*);
/* xms.c */
extern void XMS_Handler(CONTEXT86*);
#endif /* __WINE_DOSEXE_H */

100
dlls/winedos/int31.c
View File

@ -70,6 +70,21 @@ static WORD dpmi_flag;
static void* lastvalloced = NULL;
static BYTE DPMI_retval;
#include "pshpack1.h"
typedef struct {
WORD Handle;
DWORD Offset;
} MOVEOFS;
typedef struct {
DWORD Length;
MOVEOFS Source;
MOVEOFS Dest;
} MOVESTRUCT;
#include "poppack.h"
/**********************************************************************
* DOSVM_IsDos32
*
@ -818,6 +833,91 @@ static void DOSVM_FreeRMCB( CONTEXT86 *context )
}
static BYTE * XMS_Offset( MOVEOFS *ofs )
{
if (ofs->Handle) return (BYTE*)GlobalLock16(ofs->Handle)+ofs->Offset;
else return PTR_REAL_TO_LIN(SELECTOROF(ofs->Offset),OFFSETOF(ofs->Offset));
}
/**********************************************************************
* XMS_Handler
*/
static void XMS_Handler( CONTEXT86 *context )
{
switch(AH_reg(context))
{
case 0x00: /* Get XMS version number */
TRACE("get XMS version number\n");
SET_AX( context, 0x0200 ); /* 2.0 */
SET_BX( context, 0x0000 ); /* internal revision */
SET_DX( context, 0x0001 ); /* HMA exists */
break;
case 0x08: /* Query Free Extended Memory */
{
MEMORYSTATUS status;
TRACE("query free extended memory\n");
GlobalMemoryStatus( &status );
SET_DX( context, status.dwAvailVirtual >> 10 );
SET_AX( context, status.dwAvailVirtual >> 10 );
TRACE("returning largest %dK, total %dK\n", AX_reg(context), DX_reg(context));
}
break;
case 0x09: /* Allocate Extended Memory Block */
TRACE("allocate extended memory block (%dK)\n",
DX_reg(context));
SET_DX( context, GlobalAlloc16(GMEM_MOVEABLE, (DWORD)DX_reg(context)<<10) );
SET_AX( context, DX_reg(context) ? 1 : 0 );
if (!DX_reg(context)) SET_BL( context, 0xA0 ); /* out of memory */
break;
case 0x0a: /* Free Extended Memory Block */
TRACE("free extended memory block %04x\n",DX_reg(context));
if(!DX_reg(context) || GlobalFree16(DX_reg(context))) {
SET_AX( context, 0 ); /* failure */
SET_BL( context, 0xa2 ); /* invalid handle */
} else
SET_AX( context, 1 ); /* success */
break;
case 0x0b: /* Move Extended Memory Block */
{
MOVESTRUCT*move=CTX_SEG_OFF_TO_LIN(context,
context->SegDs,context->Esi);
BYTE*src,*dst;
TRACE("move extended memory block\n");
src=XMS_Offset(&move->Source);
dst=XMS_Offset(&move->Dest);
memcpy(dst,src,move->Length);
if (move->Source.Handle) GlobalUnlock16(move->Source.Handle);
if (move->Dest.Handle) GlobalUnlock16(move->Dest.Handle);
break;
}
case 0x88: /* Query Any Free Extended Memory */
{
MEMORYSTATUS status;
SYSTEM_INFO info;
TRACE("query any free extended memory\n");
GlobalMemoryStatus( &status );
GetSystemInfo( &info );
context->Eax = status.dwAvailVirtual >> 10;
context->Edx = status.dwAvailVirtual >> 10;
context->Ecx = (DWORD)info.lpMaximumApplicationAddress;
SET_BL( context, 0 ); /* No errors. */
TRACE("returning largest %dK, total %dK, highest 0x%x\n",
context->Eax, context->Edx, context->Ecx);
}
break;
default:
INT_BARF( context, 0x31 );
SET_AX( context, 0x0000 ); /* failure */
SET_BL( context, 0x80 ); /* function not implemented */
break;
}
}
/**********************************************************************
* DOSVM_CheckWrappers
*

136
dlls/winedos/xms.c
View File

@ -1,136 +0,0 @@
/*
* XMS v2+ emulation
*
* Copyright 1998 Ove Kåven
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Note: This XMS emulation is hooked through the DPMI interrupt.
*/
#include "config.h"
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wine/winbase16.h"
#include "dosexe.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(int31);
#include "pshpack1.h"
typedef struct {
WORD Handle;
DWORD Offset;
} MOVEOFS;
typedef struct {
DWORD Length;
MOVEOFS Source;
MOVEOFS Dest;
} MOVESTRUCT;
#include "poppack.h"
static BYTE * XMS_Offset( MOVEOFS *ofs )
{
if (ofs->Handle) return (BYTE*)GlobalLock16(ofs->Handle)+ofs->Offset;
else return PTR_REAL_TO_LIN(SELECTOROF(ofs->Offset),OFFSETOF(ofs->Offset));
}
/**********************************************************************
* XMS_Handler
*/
void XMS_Handler( CONTEXT86 *context )
{
switch(AH_reg(context))
{
case 0x00: /* Get XMS version number */
TRACE("get XMS version number\n");
SET_AX( context, 0x0200 ); /* 2.0 */
SET_BX( context, 0x0000 ); /* internal revision */
SET_DX( context, 0x0001 ); /* HMA exists */
break;
case 0x08: /* Query Free Extended Memory */
{
MEMORYSTATUS status;
TRACE("query free extended memory\n");
GlobalMemoryStatus( &status );
SET_DX( context, status.dwAvailVirtual >> 10 );
SET_AX( context, status.dwAvailVirtual >> 10 );
TRACE("returning largest %dK, total %dK\n", AX_reg(context), DX_reg(context));
}
break;
case 0x09: /* Allocate Extended Memory Block */
TRACE("allocate extended memory block (%dK)\n",
DX_reg(context));
SET_DX( context, GlobalAlloc16(GMEM_MOVEABLE, (DWORD)DX_reg(context)<<10) );
SET_AX( context, DX_reg(context) ? 1 : 0 );
if (!DX_reg(context)) SET_BL( context, 0xA0 ); /* out of memory */
break;
case 0x0a: /* Free Extended Memory Block */
TRACE("free extended memory block %04x\n",DX_reg(context));
if(!DX_reg(context) || GlobalFree16(DX_reg(context))) {
SET_AX( context, 0 ); /* failure */
SET_BL( context, 0xa2 ); /* invalid handle */
} else
SET_AX( context, 1 ); /* success */
break;
case 0x0b: /* Move Extended Memory Block */
{
MOVESTRUCT*move=CTX_SEG_OFF_TO_LIN(context,
context->SegDs,context->Esi);
BYTE*src,*dst;
TRACE("move extended memory block\n");
src=XMS_Offset(&move->Source);
dst=XMS_Offset(&move->Dest);
memcpy(dst,src,move->Length);
if (move->Source.Handle) GlobalUnlock16(move->Source.Handle);
if (move->Dest.Handle) GlobalUnlock16(move->Dest.Handle);
break;
}
case 0x88: /* Query Any Free Extended Memory */
{
MEMORYSTATUS status;
SYSTEM_INFO info;
TRACE("query any free extended memory\n");
GlobalMemoryStatus( &status );
GetSystemInfo( &info );
context->Eax = status.dwAvailVirtual >> 10;
context->Edx = status.dwAvailVirtual >> 10;
context->Ecx = (DWORD)info.lpMaximumApplicationAddress;
SET_BL( context, 0 ); /* No errors. */
TRACE("returning largest %dK, total %dK, highest 0x%x\n",
context->Eax, context->Edx, context->Ecx);
}
break;
default:
INT_BARF( context, 0x31 );
SET_AX( context, 0x0000 ); /* failure */
SET_BL( context, 0x80 ); /* function not implemented */
break;
}
}