mirror of
git://source.winehq.org/git/wine.git
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472d016859
Change some types to SIZE_T according to MS SDK definitions.
713 lines
21 KiB
C
713 lines
21 KiB
C
/*
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* DOS Virtual Machine
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*
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* Copyright 1998 Ove Kåven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Note: This code hasn't been completely cleaned up yet.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <sys/types.h>
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#include "wine/winbase16.h"
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#include "wine/exception.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnt.h"
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#include "wincon.h"
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#include "msdos.h"
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#include "file.h"
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#include "miscemu.h"
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#include "dosexe.h"
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#include "dosvm.h"
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#include "stackframe.h"
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#include "wine/debug.h"
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#include "msvcrt/excpt.h"
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WINE_DEFAULT_DEBUG_CHANNEL(int);
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WINE_DECLARE_DEBUG_CHANNEL(module);
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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WORD DOSVM_psp = 0;
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WORD DOSVM_retval = 0;
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const struct DPMI_segments *DOSVM_dpmi_segments = NULL;
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#ifdef MZ_SUPPORTED
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#ifdef HAVE_SYS_VM86_H
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# include <sys/vm86.h>
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#endif
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#ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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#endif
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#define IF_CLR(ctx) ((ctx)->EFlags &= ~VIF_MASK)
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#define IF_SET(ctx) ((ctx)->EFlags |= VIF_MASK)
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#define IF_ENABLED(ctx) ((ctx)->EFlags & VIF_MASK)
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#define SET_PEND(ctx) ((ctx)->EFlags |= VIP_MASK)
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#define CLR_PEND(ctx) ((ctx)->EFlags &= ~VIP_MASK)
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#define IS_PEND(ctx) ((ctx)->EFlags & VIP_MASK)
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#undef TRY_PICRETURN
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typedef struct _DOSEVENT {
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int irq,priority;
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DOSRELAY relay;
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void *data;
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struct _DOSEVENT *next;
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} DOSEVENT, *LPDOSEVENT;
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static CRITICAL_SECTION qcrit = CRITICAL_SECTION_INIT("DOSVM");
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static struct _DOSEVENT *pending_event, *current_event;
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static int sig_sent;
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static HANDLE event_notifier;
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static CONTEXT86 *current_context;
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static int DOSVM_SimulateInt( int vect, CONTEXT86 *context, BOOL inwine )
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{
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FARPROC16 handler=DOSVM_GetRMHandler(vect);
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/* check for our real-mode hooks */
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if (vect==0x31) {
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if (context->SegCs==DOSVM_dpmi_segments->wrap_seg) {
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/* exit from real-mode wrapper */
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return -1;
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}
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/* we could probably move some other dodgy stuff here too from dpmi.c */
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}
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/* check if the call is from our fake BIOS interrupt stubs */
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if ((context->SegCs==0xf000) && !inwine) {
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if (vect != (context->Eip/4)) {
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TRACE("something fishy going on here (interrupt stub is %02lx)\n", context->Eip/4);
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}
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TRACE("builtin interrupt %02x has been branched to\n", vect);
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DOSVM_RealModeInterrupt(vect, context);
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}
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/* check if the call goes to an unhooked interrupt */
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else if (SELECTOROF(handler)==0xf000) {
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/* if so, call it directly */
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TRACE("builtin interrupt %02x has been invoked (through vector %02x)\n", OFFSETOF(handler)/4, vect);
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DOSVM_RealModeInterrupt(OFFSETOF(handler)/4, context);
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}
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/* the interrupt is hooked, simulate interrupt in DOS space */
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else {
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WORD*stack= PTR_REAL_TO_LIN( context->SegSs, context->Esp );
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WORD flag=LOWORD(context->EFlags);
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TRACE_(int)("invoking hooked interrupt %02x at %04x:%04x\n", vect,
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SELECTOROF(handler), OFFSETOF(handler));
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if (IF_ENABLED(context)) flag|=IF_MASK;
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else flag&=~IF_MASK;
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*(--stack)=flag;
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*(--stack)=context->SegCs;
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*(--stack)=LOWORD(context->Eip);
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context->Esp-=6;
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context->SegCs=SELECTOROF(handler);
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context->Eip=OFFSETOF(handler);
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IF_CLR(context);
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}
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return 0;
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}
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#define SHOULD_PEND(x) \
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(x && ((!current_event) || (x->priority < current_event->priority)))
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static void DOSVM_SendQueuedEvent(CONTEXT86 *context)
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{
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LPDOSEVENT event = pending_event;
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if (SHOULD_PEND(event)) {
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/* remove from "pending" list */
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pending_event = event->next;
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/* process event */
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if (event->irq>=0) {
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/* it's an IRQ, move it to "current" list */
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event->next = current_event;
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current_event = event;
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TRACE("dispatching IRQ %d\n",event->irq);
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/* note that if DOSVM_SimulateInt calls an internal interrupt directly,
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* current_event might be cleared (and event freed) in this very call! */
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DOSVM_SimulateInt((event->irq<8)?(event->irq+8):(event->irq-8+0x70),context,TRUE);
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} else {
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/* callback event */
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TRACE("dispatching callback event\n");
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(*event->relay)(context,event->data);
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free(event);
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}
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}
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if (!SHOULD_PEND(pending_event)) {
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TRACE("clearing Pending flag\n");
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CLR_PEND(context);
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}
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}
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static void DOSVM_SendQueuedEvents(CONTEXT86 *context)
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{
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/* we will send all queued events as long as interrupts are enabled,
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* but IRQ events will disable interrupts again */
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while (IS_PEND(context) && IF_ENABLED(context))
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DOSVM_SendQueuedEvent(context);
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}
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/***********************************************************************
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* QueueEvent (WINEDOS.@)
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*/
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void WINAPI DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data)
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{
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LPDOSEVENT event, cur, prev;
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if (current_context) {
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EnterCriticalSection(&qcrit);
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event = malloc(sizeof(DOSEVENT));
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if (!event) {
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ERR("out of memory allocating event entry\n");
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return;
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}
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event->irq = irq; event->priority = priority;
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event->relay = relay; event->data = data;
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/* insert event into linked list, in order *after*
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* all earlier events of higher or equal priority */
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cur = pending_event; prev = NULL;
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while (cur && cur->priority<=priority) {
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prev = cur;
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cur = cur->next;
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}
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event->next = cur;
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if (prev) prev->next = event;
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else pending_event = event;
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/* alert the vm86 about the new event */
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if (!sig_sent) {
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TRACE("new event queued, signalling (time=%ld)\n", GetTickCount());
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kill(dosvm_pid,SIGUSR2);
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sig_sent++;
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} else {
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TRACE("new event queued (time=%ld)\n", GetTickCount());
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}
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/* Wake up DOSVM_Wait so that it can serve pending events. */
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SetEvent(event_notifier);
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LeaveCriticalSection(&qcrit);
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} else {
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/* DOS subsystem not running */
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/* (this probably means that we're running a win16 app
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* which uses DPMI to thunk down to DOS services) */
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if (irq<0) {
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/* callback event, perform it with dummy context */
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CONTEXT86 context;
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memset(&context,0,sizeof(context));
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(*relay)(&context,data);
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} else {
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ERR("IRQ without DOS task: should not happen\n");
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}
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}
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}
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static void DOSVM_ProcessConsole(void)
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{
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INPUT_RECORD msg;
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DWORD res;
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BYTE scan;
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if (ReadConsoleInputA(GetStdHandle(STD_INPUT_HANDLE),&msg,1,&res)) {
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switch (msg.EventType) {
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case KEY_EVENT:
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scan = msg.Event.KeyEvent.wVirtualScanCode;
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if (!msg.Event.KeyEvent.bKeyDown) scan |= 0x80;
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/* check whether extended bit is set,
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* and if so, queue the extension prefix */
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if (msg.Event.KeyEvent.dwControlKeyState & ENHANCED_KEY) {
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DOSVM_Int09SendScan(0xE0,0);
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}
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DOSVM_Int09SendScan(scan,msg.Event.KeyEvent.uChar.AsciiChar);
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break;
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case MOUSE_EVENT:
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DOSVM_Int33Console(&msg.Event.MouseEvent);
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break;
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case WINDOW_BUFFER_SIZE_EVENT:
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FIXME("unhandled WINDOW_BUFFER_SIZE_EVENT.\n");
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break;
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case MENU_EVENT:
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FIXME("unhandled MENU_EVENT.\n");
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break;
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case FOCUS_EVENT:
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FIXME("unhandled FOCUS_EVENT.\n");
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break;
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default:
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FIXME("unknown console event: %d\n", msg.EventType);
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}
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}
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}
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static void DOSVM_ProcessMessage(MSG *msg)
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{
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BYTE scan = 0;
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TRACE("got message %04x, wparam=%08x, lparam=%08lx\n",msg->message,msg->wParam,msg->lParam);
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if ((msg->message>=WM_MOUSEFIRST)&&
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(msg->message<=WM_MOUSELAST)) {
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DOSVM_Int33Message(msg->message,msg->wParam,msg->lParam);
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} else {
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switch (msg->message) {
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case WM_KEYUP:
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scan = 0x80;
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case WM_KEYDOWN:
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scan |= (msg->lParam >> 16) & 0x7f;
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/* check whether extended bit is set,
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* and if so, queue the extension prefix */
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if (msg->lParam & 0x1000000) {
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/* FIXME: some keys (function keys) have
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* extended bit set even when they shouldn't,
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* should check for them */
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DOSVM_Int09SendScan(0xE0,0);
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}
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DOSVM_Int09SendScan(scan,0);
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break;
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}
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}
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}
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/***********************************************************************
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* Wait (WINEDOS.@)
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*/
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void WINAPI DOSVM_Wait( INT read_pipe, HANDLE hObject )
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{
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MSG msg;
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DWORD waitret;
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HANDLE objs[3];
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int objc;
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BOOL got_msg = FALSE;
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objs[0]=GetStdHandle(STD_INPUT_HANDLE);
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objs[1]=event_notifier;
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objs[2]=hObject;
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objc=hObject?3:2;
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do {
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/* check for messages (waste time before the response check below) */
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if (PeekMessageA)
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{
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while (PeekMessageA(&msg,0,0,0,PM_REMOVE|PM_NOYIELD)) {
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/* got a message */
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DOSVM_ProcessMessage(&msg);
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/* we don't need a TranslateMessage here */
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DispatchMessageA(&msg);
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got_msg = TRUE;
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}
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}
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chk_console_input:
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if (!got_msg) {
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/* check for console input */
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INPUT_RECORD msg;
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DWORD num;
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if (PeekConsoleInputA(objs[0],&msg,1,&num) && num) {
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DOSVM_ProcessConsole();
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got_msg = TRUE;
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}
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}
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if (read_pipe == -1) {
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/* dispatch pending events */
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if (SHOULD_PEND(pending_event)) {
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CONTEXT86 context = *current_context;
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IF_SET(&context);
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SET_PEND(&context);
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DOSVM_SendQueuedEvents(&context);
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got_msg = TRUE;
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}
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if (got_msg) break;
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} else {
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fd_set readfds;
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struct timeval timeout={0,0};
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/* quick check for response from dosmod
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* (faster than doing the full blocking wait, if data already available) */
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FD_ZERO(&readfds); FD_SET(read_pipe,&readfds);
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if (select(read_pipe+1,&readfds,NULL,NULL,&timeout)>0)
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break;
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}
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/* nothing yet, block while waiting for something to do */
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if (MsgWaitForMultipleObjects)
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waitret = MsgWaitForMultipleObjects(objc,objs,FALSE,INFINITE,QS_ALLINPUT);
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else
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waitret = WaitForMultipleObjects(objc,objs,FALSE,INFINITE);
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if (waitret==(DWORD)-1) {
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ERR_(module)("dosvm wait error=%ld\n",GetLastError());
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}
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if ((read_pipe != -1) && hObject) {
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if (waitret==(WAIT_OBJECT_0+2)) break;
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}
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if (waitret==WAIT_OBJECT_0)
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goto chk_console_input;
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} while (TRUE);
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}
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DWORD WINAPI DOSVM_Loop( HANDLE hThread )
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{
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HANDLE objs[2];
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MSG msg;
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DWORD waitret;
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objs[0] = GetStdHandle(STD_INPUT_HANDLE);
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objs[1] = hThread;
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for(;;) {
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TRACE_(int)("waiting for action\n");
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waitret = MsgWaitForMultipleObjects(2, objs, FALSE, INFINITE, QS_ALLINPUT);
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if (waitret == WAIT_OBJECT_0) {
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DOSVM_ProcessConsole();
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}
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else if (waitret == WAIT_OBJECT_0 + 1) {
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DWORD rv;
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if(!GetExitCodeThread(hThread, &rv)) {
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ERR("Failed to get thread exit code!\n");
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rv = 0;
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}
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return rv;
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}
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else if (waitret == WAIT_OBJECT_0 + 2) {
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while (PeekMessageA(&msg,0,0,0,PM_REMOVE)) {
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if (msg.hwnd) {
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/* it's a window message */
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DOSVM_ProcessMessage(&msg);
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DispatchMessageA(&msg);
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} else {
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/* it's a thread message */
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switch (msg.message) {
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case WM_QUIT:
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/* stop this madness!! */
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return 0;
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case WM_USER:
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/* run passed procedure in this thread */
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/* (sort of like APC, but we signal the completion) */
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{
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DOS_SPC *spc = (DOS_SPC *)msg.lParam;
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TRACE_(int)("calling %p with arg %08lx\n", spc->proc, spc->arg);
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(spc->proc)(spc->arg);
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TRACE_(int)("done, signalling event %d\n", msg.wParam);
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SetEvent(msg.wParam);
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}
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break;
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}
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}
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}
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}
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else
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{
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ERR_(int)("MsgWaitForMultipleObjects returned unexpected value.\n");
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return 0;
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}
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}
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}
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static WINE_EXCEPTION_FILTER(exception_handler)
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{
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EXCEPTION_RECORD *rec = GetExceptionInformation()->ExceptionRecord;
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CONTEXT *context = GetExceptionInformation()->ContextRecord;
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int ret, arg = rec->ExceptionInformation[0];
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switch(rec->ExceptionCode) {
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case EXCEPTION_VM86_INTx:
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if (TRACE_ON(relay)) {
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DPRINTF("Call DOS int 0x%02x ret=%04lx:%04lx\n",
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arg, context->SegCs, context->Eip );
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DPRINTF(" eax=%08lx ebx=%08lx ecx=%08lx edx=%08lx esi=%08lx edi=%08lx\n",
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context->Eax, context->Ebx, context->Ecx, context->Edx,
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context->Esi, context->Edi );
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DPRINTF(" ebp=%08lx esp=%08lx ds=%04lx es=%04lx fs=%04lx gs=%04lx flags=%08lx\n",
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context->Ebp, context->Esp, context->SegDs, context->SegEs,
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context->SegFs, context->SegGs, context->EFlags );
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}
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ret = DOSVM_SimulateInt(arg, context, FALSE);
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if (TRACE_ON(relay)) {
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DPRINTF("Ret DOS int 0x%02x ret=%04lx:%04lx\n",
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arg, context->SegCs, context->Eip );
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DPRINTF(" eax=%08lx ebx=%08lx ecx=%08lx edx=%08lx esi=%08lx edi=%08lx\n",
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context->Eax, context->Ebx, context->Ecx, context->Edx,
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context->Esi, context->Edi );
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DPRINTF(" ebp=%08lx esp=%08lx ds=%04lx es=%04lx fs=%04lx gs=%04lx flags=%08lx\n",
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context->Ebp, context->Esp, context->SegDs, context->SegEs,
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context->SegFs, context->SegGs, context->EFlags );
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}
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return ret ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_EXECUTION;
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case EXCEPTION_VM86_STI:
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/* case EXCEPTION_VM86_PICRETURN: */
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IF_SET(context);
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EnterCriticalSection(&qcrit);
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sig_sent++;
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while (NtCurrentTeb()->alarms) {
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DOSVM_QueueEvent(0,DOS_PRIORITY_REALTIME,NULL,NULL);
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/* hmm, instead of relying on this signal counter, we should
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* probably check how many ticks have *really* passed, probably using
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* QueryPerformanceCounter() or something like that */
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InterlockedDecrement(&(NtCurrentTeb()->alarms));
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}
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TRACE_(int)("context=%p, current=%p\n", context, current_context);
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TRACE_(int)("cs:ip=%04lx:%04lx, ss:sp=%04lx:%04lx\n", context->SegCs, context->Eip, context->SegSs, context->Esp);
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if (!ISV86(context)) {
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ERR_(int)("@#&*%%, winedos signal handling is *still* messed up\n");
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}
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TRACE_(int)("DOS task enabled interrupts %s events pending, sending events (time=%ld)\n", IS_PEND(context)?"with":"without", GetTickCount());
|
|
DOSVM_SendQueuedEvents(context);
|
|
sig_sent=0;
|
|
LeaveCriticalSection(&qcrit);
|
|
return EXCEPTION_CONTINUE_EXECUTION;
|
|
}
|
|
return EXCEPTION_CONTINUE_SEARCH;
|
|
}
|
|
|
|
int WINAPI DOSVM_Enter( CONTEXT86 *context )
|
|
{
|
|
CONTEXT86 *old_context = current_context;
|
|
|
|
current_context = context;
|
|
__TRY
|
|
{
|
|
__wine_enter_vm86( context );
|
|
TRACE_(module)( "vm86 returned: %s\n", strerror(errno) );
|
|
}
|
|
__EXCEPT(exception_handler)
|
|
{
|
|
TRACE_(module)( "leaving vm86 mode\n" );
|
|
}
|
|
__ENDTRY
|
|
current_context = old_context;
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* OutPIC (WINEDOS.@)
|
|
*/
|
|
void WINAPI DOSVM_PIC_ioport_out( WORD port, BYTE val)
|
|
{
|
|
LPDOSEVENT event;
|
|
|
|
if ((port==0x20) && (val==0x20)) {
|
|
EnterCriticalSection(&qcrit);
|
|
if (current_event) {
|
|
/* EOI (End Of Interrupt) */
|
|
TRACE("received EOI for current IRQ, clearing\n");
|
|
event = current_event;
|
|
current_event = event->next;
|
|
if (event->relay)
|
|
(*event->relay)(NULL,event->data);
|
|
free(event);
|
|
|
|
if (pending_event) {
|
|
/* another event is pending, which we should probably
|
|
* be able to process now */
|
|
TRACE("another event pending, setting flag\n");
|
|
current_context->EFlags |= VIP_MASK;
|
|
}
|
|
} else {
|
|
WARN("EOI without active IRQ\n");
|
|
}
|
|
LeaveCriticalSection(&qcrit);
|
|
} else {
|
|
FIXME("unrecognized PIC command %02x\n",val);
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SetTimer (WINEDOS.@)
|
|
*/
|
|
void WINAPI DOSVM_SetTimer( UINT ticks )
|
|
{
|
|
struct itimerval tim;
|
|
|
|
if (dosvm_pid) {
|
|
/* the PC clocks ticks at 1193180 Hz */
|
|
tim.it_interval.tv_sec=0;
|
|
tim.it_interval.tv_usec=MulDiv(ticks,1000000,1193180);
|
|
/* sanity check */
|
|
if (!tim.it_interval.tv_usec) tim.it_interval.tv_usec=1;
|
|
/* first tick value */
|
|
tim.it_value = tim.it_interval;
|
|
TRACE_(int)("setting timer tick delay to %ld us\n", tim.it_interval.tv_usec);
|
|
setitimer(ITIMER_REAL, &tim, NULL);
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* GetTimer (WINEDOS.@)
|
|
*/
|
|
UINT WINAPI DOSVM_GetTimer( void )
|
|
{
|
|
struct itimerval tim;
|
|
|
|
if (dosvm_pid) {
|
|
getitimer(ITIMER_REAL, &tim);
|
|
return MulDiv(tim.it_value.tv_usec,1193180,1000000);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#else /* !MZ_SUPPORTED */
|
|
|
|
/***********************************************************************
|
|
* Enter (WINEDOS.@)
|
|
*/
|
|
INT WINAPI DOSVM_Enter( CONTEXT86 *context )
|
|
{
|
|
ERR_(module)("DOS realmode not supported on this architecture!\n");
|
|
return -1;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* Wait (WINEDOS.@)
|
|
*/
|
|
void WINAPI DOSVM_Wait( INT read_pipe, HANDLE hObject) {}
|
|
|
|
/***********************************************************************
|
|
* OutPIC (WINEDOS.@)
|
|
*/
|
|
void WINAPI DOSVM_PIC_ioport_out( WORD port, BYTE val) {}
|
|
|
|
/***********************************************************************
|
|
* SetTimer (WINEDOS.@)
|
|
*/
|
|
void WINAPI DOSVM_SetTimer( UINT ticks ) {}
|
|
|
|
/***********************************************************************
|
|
* GetTimer (WINEDOS.@)
|
|
*/
|
|
UINT WINAPI DOSVM_GetTimer( void ) { return 0; }
|
|
|
|
/***********************************************************************
|
|
* QueueEvent (WINEDOS.@)
|
|
*/
|
|
void WINAPI DOSVM_QueueEvent( INT irq, INT priority, DOSRELAY relay, LPVOID data)
|
|
{
|
|
if (irq<0) {
|
|
/* callback event, perform it with dummy context */
|
|
CONTEXT86 context;
|
|
memset(&context,0,sizeof(context));
|
|
(*relay)(&context,data);
|
|
} else {
|
|
ERR("IRQ without DOS task: should not happen\n");
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/**********************************************************************
|
|
* DOSVM_GetRMHandler
|
|
*
|
|
* Return the real mode interrupt vector for a given interrupt.
|
|
*/
|
|
FARPROC16 DOSVM_GetRMHandler( BYTE intnum )
|
|
{
|
|
return ((FARPROC16*)0)[intnum];
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* DOSVM_SetRMHandler
|
|
*
|
|
* Set the real mode interrupt handler for a given interrupt.
|
|
*/
|
|
void DOSVM_SetRMHandler( BYTE intnum, FARPROC16 handler )
|
|
{
|
|
TRACE("Set real mode interrupt vector %02x <- %04x:%04x\n",
|
|
intnum, HIWORD(handler), LOWORD(handler) );
|
|
((FARPROC16*)0)[intnum] = handler;
|
|
}
|
|
|
|
|
|
static const INTPROC real_mode_handlers[] =
|
|
{
|
|
/* 00 */ 0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* 08 */ 0, DOSVM_Int09Handler, 0, 0, 0, 0, 0, 0,
|
|
/* 10 */ DOSVM_Int10Handler, INT_Int11Handler, INT_Int12Handler, INT_Int13Handler,
|
|
0, INT_Int15Handler, DOSVM_Int16Handler, DOSVM_Int17Handler,
|
|
/* 18 */ 0, 0, INT_Int1aHandler, 0, 0, 0, 0, 0,
|
|
/* 20 */ DOSVM_Int20Handler, DOSVM_Int21Handler, 0, 0, 0, INT_Int25Handler, 0, 0,
|
|
/* 28 */ 0, DOSVM_Int29Handler, INT_Int2aHandler, 0, 0, 0, 0, INT_Int2fHandler,
|
|
/* 30 */ 0, DOSVM_Int31Handler, 0, DOSVM_Int33Handler, INT_Int34Handler, INT_Int35Handler, INT_Int36Handler, INT_Int37Handler,
|
|
/* 38 */ INT_Int38Handler, INT_Int39Handler, INT_Int3aHandler, INT_Int3bHandler, INT_Int3cHandler, INT_Int3dHandler, INT_Int3eHandler, 0,
|
|
/* 40 */ 0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* 48 */ 0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* 50 */ 0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* 58 */ 0, 0, 0, 0, 0, 0, 0, 0,
|
|
/* 60 */ 0, 0, 0, 0, 0, 0, 0, DOSVM_Int67Handler
|
|
};
|
|
|
|
|
|
/**********************************************************************
|
|
* DOSVM_RealModeInterrupt
|
|
*
|
|
* Handle real mode interrupts
|
|
*/
|
|
void DOSVM_RealModeInterrupt( BYTE intnum, CONTEXT86 *context )
|
|
{
|
|
if (intnum < sizeof(real_mode_handlers)/sizeof(INTPROC) && real_mode_handlers[intnum])
|
|
(*real_mode_handlers[intnum])(context);
|
|
else
|
|
{
|
|
FIXME("Unknown Interrupt in DOS mode: 0x%x\n", intnum);
|
|
FIXME(" eax=%08lx ebx=%08lx ecx=%08lx edx=%08lx\n",
|
|
context->Eax, context->Ebx, context->Ecx, context->Edx);
|
|
FIXME(" esi=%08lx edi=%08lx ds=%04lx es=%04lx\n",
|
|
context->Esi, context->Edi, context->SegDs, context->SegEs );
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* DOSVM_Init
|
|
*/
|
|
BOOL WINAPI DOSVM_Init( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved )
|
|
{
|
|
TRACE_(module)("(0x%08x,%ld,%p)\n", hinstDLL, fdwReason, lpvReserved);
|
|
|
|
if (fdwReason == DLL_PROCESS_ATTACH)
|
|
{
|
|
/* initialize the memory */
|
|
TRACE("Initializing DOS memory structures\n");
|
|
DOSMEM_Init( TRUE );
|
|
DOSDEV_InstallDOSDevices();
|
|
DOSVM_dpmi_segments = DOSMEM_GetDPMISegments();
|
|
|
|
#ifdef MZ_SUPPORTED
|
|
event_notifier = CreateEventA(NULL, FALSE, FALSE, NULL);
|
|
if(!event_notifier)
|
|
ERR("Failed to create event object!\n");
|
|
#endif
|
|
|
|
}
|
|
return TRUE;
|
|
}
|