443 lines
9.8 KiB
C
443 lines
9.8 KiB
C
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#include <windows.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <ctype.h>
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#include "demexp.h"
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#include "softpc.h"
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#include <cmdsvc.h>
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#include <xmssvc.h>
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#include <dbgexp.h>
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#include "xwincon.h"
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#include "fun.h"
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#include <conapi.h>
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#define VDM_VIRTUAL_INTERRUPTS 0x00000200L
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extern CONTEXT IntelRegisters;
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VOID DumpIntelRegs();
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VOID ParseSwitches( int, char**);
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VOID usage();
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BOOL ConInit (VOID);
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extern VOID VDMCtrlCHandler(ULONG);
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INT flOptions;
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HANDLE OutputHandle;
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HANDLE InputHandle;
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HANDLE SCSCreateEvent;
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char *EmDirectory;
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BOOL scaffMin = FALSE;
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BOOL scaffWow = FALSE;
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BOOL VDMForWOW = FALSE;
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CHAR BootLetter;
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void main (argc, argv)
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int argc;
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char *argv[];
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{
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PSZ psz,pszNULL;
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HANDLE hfile;
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DWORD BytesRead;
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int i;
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PCHAR FileAddress;
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BOOL IsFirst;
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int temp_argc = argc;
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char **temp_argv = argv;
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// DebugBreak();
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if(SetConsoleCtrlHandler((PHANDLER_ROUTINE)VDMCtrlCHandler,TRUE)
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== FALSE) {
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VDprint(
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VDP_LEVEL_INFO,
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("CtrlC Handler Could'nt be installed\n")
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);
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}
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// Tell the console that we want the last event (i.e when the
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// window is just to be destroyed.
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SetLastConsoleEventActive();
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// Check if the VDM Is for WOW
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while (--temp_argc > 0) {
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psz = *++temp_argv;
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if (*psz == '-' || *psz == '/') {
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psz++;
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if(tolower(*psz) == 'w'){
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VDMForWOW = TRUE;
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break;
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}
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}
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}
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// This following API is required for recovery purposes. This
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// tells the basesrv that VDM has hooked ctrlc event. After
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// this it will always get the termination notification. If
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// the window is killed before we hook ctrl-c then basesrv
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// will know that data structures for this VDM has to be
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// freed. This should be the first call to base.dll.
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VDMOperationStarted (VDMForWOW);
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EmDirectory = NULL;
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// Hide the cmd window of WOWVDM
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if(VDMForWOW)
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VDMConsoleOperation((DWORD)VDM_HIDE_WINDOW);
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ParseSwitches( argc, argv );
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IsFirst = GetNextVDMCommand(NULL);
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for (i = 0; i < argc; i++) {
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VDprint(
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VDP_LEVEL_INFO,
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("%s\n", argv[i])
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);
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}
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VDbreak(VDB_LEVEL_INFO);
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if (EmDirectory == NULL) {
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usage();
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TerminateVDM();
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}
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// Sudeepb 26-Dec-1991 Temporary code to make
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// the life easy for WOW's internal users such that they dont have
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// to change the config.sys as per their setup.
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FixConfigFile (EmDirectory,IsFirst);
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pszNULL = strchr(EmDirectory,'\0');
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psz = EmDirectory;
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while(*psz == ' ' || *psz == '\t')
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psz++;
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BootLetter = *psz;
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host_cpu_init();
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sas_init(1024L * 1024L + 64L * 1024L);
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// Initialize ROM support
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BiosInit(argc, argv);
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// Initialize console support
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if (!ConInit()) {
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VDprint(
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VDP_LEVEL_ERROR,
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("SoftPC: error initializing console\n")
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);
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TerminateVDM();
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}
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// Initialize WOW
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CMDInit (argc,argv);
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// Initialize DOSEm
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if(!DemInit (argc,argv,EmDirectory)) {
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VDprint(
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VDP_LEVEL_ERROR,
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("SoftPC: error initializing DOSEm\n")
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);
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TerminateVDM();
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}
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// Initialize XMS
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if(!XMSInit (argc,argv)) {
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VDprint(
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VDP_LEVEL_ERROR,
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("SoftPC: error initializing XMS\n")
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);
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TerminateVDM();
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}
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// Initialize DBG
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if(!DBGInit (argc,argv)) {
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VDprint(
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VDP_LEVEL_ERROR,
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("SoftPC: error initializing DBG\n")
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);
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TerminateVDM();
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}
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// Prepare to load ntio.sys
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strcat (EmDirectory,"\\ntio.sys");
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hfile = CreateFile(EmDirectory,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL );
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if (hfile == (HANDLE)0xffffffff) {
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VDprint(
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VDP_LEVEL_ERROR,
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("SoftPC: could not open file %s. Error %d\n",
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EmDirectory,
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GetLastError())
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);
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TerminateVDM();
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}
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FileAddress = (PCHAR)0x700;
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BytesRead = 1;
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while (BytesRead) {
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if (!ReadFile(hfile, FileAddress, 16384, &BytesRead, NULL)) {
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VDprint(
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VDP_LEVEL_ERROR,
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("SoftPC: read failure on file %s. Error %d\n",
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EmDirectory,
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GetLastError())
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);
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TerminateVDM();
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}
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VDprint(VDP_LEVEL_INFO,
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("SoftPC: read a block of file %s\n",
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EmDirectory)
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);
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FileAddress = (PCHAR)FileAddress + BytesRead;
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}
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VDprint(VDP_LEVEL_WARNING,
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("SoftPC: using Emulation file %s\n",
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EmDirectory)
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);
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VDbreak(VDB_LEVEL_INFO);
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CloseHandle (hfile);
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// restore the emulation directory
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*pszNULL = 0;
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IntelRegisters.Eip = 0x0;
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IntelRegisters.SegCs = 0x70;
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IntelRegisters.EFlags = VDM_VIRTUAL_INTERRUPTS;
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host_simulate();
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if (IntelRegisters.EFlags & VDM_VIRTUAL_INTERRUPTS) {
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VDprint(VDP_LEVEL_INFO, ("Virtual ints enabled\n"));
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} else {
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VDprint(VDP_LEVEL_INFO, ("Virtual ints disabled\n"));
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}
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DumpIntelRegs();
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}
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#define MAX_CONFIG_SIZE 1024
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VOID FixConfigFile (pszBin86Dir,IsFirstVDM)
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PSZ pszBin86Dir;
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BOOL IsFirstVDM;
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{
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// Temporary code. To be thrown out once we have full configuration
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// and installation.
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CHAR ConfigFile[]="?:\\config.vdm";
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CHAR Buffer [MAX_CONFIG_SIZE];
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DWORD len,i;
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DWORD BytesRead,BytesWritten;
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HANDLE hfile;
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if (IsFirstVDM == FALSE)
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return;
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ConfigFile[0] = *pszBin86Dir;
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hfile = CreateFile( ConfigFile,
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GENERIC_WRITE | GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL );
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if (hfile == (HANDLE)0xffffffff) {
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DbgPrint ("config.vdm is'nt found on the root drive of yout NT trre\n");
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return;
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}
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if (!ReadFile(hfile, Buffer, MAX_CONFIG_SIZE, &BytesRead, NULL)){
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DbgPrint ("config.vdm could'nt be read\n, %x\n",GetLastError ());
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CloseHandle (hfile);
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return;
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}
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if (BytesRead == MAX_CONFIG_SIZE) {
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DbgPrint ("config.vdm is too big, could'nt perform macro substitution\n");
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CloseHandle (hfile);
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return;
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}
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SetFilePointer (hfile,
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0,
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NULL,
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FILE_BEGIN);
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len = strlen (pszBin86Dir);
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for (i=0; i < BytesRead; i++) {
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if (Buffer [i] != '@'){
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WriteFile (hfile,
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&Buffer[i],
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1,
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&BytesWritten,
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NULL);
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}
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else {
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WriteFile (hfile,
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pszBin86Dir,
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len,
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&BytesWritten,
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NULL);
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}
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}
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CloseHandle (hfile);
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return;
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}
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VOID DumpIntelRegs()
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{
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VDprint(VDP_LEVEL_ERROR,("EAX = %lx\n",IntelRegisters.Eax));
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VDprint(VDP_LEVEL_ERROR,("Ebx = %lx\n",IntelRegisters.Ebx));
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VDprint(VDP_LEVEL_ERROR,("Ecx = %lx\n",IntelRegisters.Ecx));
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VDprint(VDP_LEVEL_ERROR,("Edx = %lx\n",IntelRegisters.Edx));
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VDprint(VDP_LEVEL_ERROR,("Esi = %lx\n",IntelRegisters.Esi));
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VDprint(VDP_LEVEL_ERROR,("Edi = %lx\n",IntelRegisters.Edi));
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VDprint(VDP_LEVEL_ERROR,("Ebp = %lx\n",IntelRegisters.Ebp));
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VDprint(VDP_LEVEL_ERROR,("SegDs = %lx\n",IntelRegisters.SegDs));
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VDprint(VDP_LEVEL_ERROR,("SegEs = %lx\n",IntelRegisters.SegEs));
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VDprint(VDP_LEVEL_ERROR,("SegFs = %lx\n",IntelRegisters.SegFs));
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VDprint(VDP_LEVEL_ERROR,("SegGs = %lx\n",IntelRegisters.SegGs));
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VDprint(VDP_LEVEL_ERROR,("EFlags = %lx\n",IntelRegisters.EFlags));
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VDprint(VDP_LEVEL_ERROR,("SS:Esp = %lx:",IntelRegisters.SegSs));
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VDprint(VDP_LEVEL_ERROR,("%lx\n",IntelRegisters.Esp));
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VDprint(VDP_LEVEL_ERROR,("CS:Eip = %lx:",IntelRegisters.SegCs));
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VDprint(VDP_LEVEL_ERROR,("%lx\n",IntelRegisters.Eip));
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}
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VOID ParseSwitches(
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int argc,
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char **argv
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)
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{
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int i;
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for (i = 1; i < argc; i++){
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if ((argv[i][0] == '-') || (argv[i][0] == '/')) {
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switch (argv[i][1]) {
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case 's' :
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case 'S' :
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sscanf(&argv[i][2], "%x", &VdmDebugLevel);
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VDprint(
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VDP_LEVEL_WARNING,
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("VdmDebugLevel = %x\n",
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VdmDebugLevel)
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);
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break;
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case 'f' :
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case 'F' :
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// Note this memory is freed by DEM.
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if((EmDirectory = (PCHAR)malloc (strlen (&argv[i][2]) +
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1 +
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sizeof("\\ntdos.sys") +
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1
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)) == NULL){
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DbgPrint("SoftPC: Not Enough Memory \n");
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TerminateVDM();
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}
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strcpy(EmDirectory,&argv[i][2]);
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break;
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case 't' :
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case 'T' :
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flOptions |= OPT_TERMINAL;
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break;
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case 'm' :
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case 'M' :
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scaffMin = TRUE;
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break;
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case 'w' :
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case 'W' :
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scaffWow = TRUE;
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}
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} else {
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break;
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}
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}
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}
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VOID usage()
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{
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DbgPrint("SoftPC Usage: softpc -F<emulation file> [-D#] [<drive>:=<virtual disk>] [dos command line]\n");
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}
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VOID TerminateVDM(void)
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{
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if(VDMForWOW)
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// Kill everything for WOW VDM
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ExitVDM(VDMForWOW,(ULONG)-1);
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else
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ExitVDM(FALSE,0);
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ExitProcess (0);
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}
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|
||
|
|
DWORD SCSConsoleThread(LPVOID lp)
|
||
|
|
{
|
||
|
|
|
||
|
|
|
||
|
|
SetEvent(SCSCreateEvent);
|
||
|
|
BiosKbdReadLoop();
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL ConInit (VOID)
|
||
|
|
{
|
||
|
|
DWORD SCSThreadId;
|
||
|
|
HANDLE InputThread;
|
||
|
|
OutputHandle = GetStdHandle(STD_OUTPUT_HANDLE);
|
||
|
|
InputHandle = GetStdHandle(STD_INPUT_HANDLE);
|
||
|
|
|
||
|
|
SCSCreateEvent = CreateEvent( NULL, TRUE, FALSE,NULL );
|
||
|
|
|
||
|
|
InputThread = CreateThread(
|
||
|
|
(LPSECURITY_ATTRIBUTES)0,
|
||
|
|
8192,
|
||
|
|
(LPTHREAD_START_ROUTINE)SCSConsoleThread,
|
||
|
|
(LPVOID)0,
|
||
|
|
STANDARD_RIGHTS_REQUIRED,
|
||
|
|
&SCSThreadId
|
||
|
|
);
|
||
|
|
|
||
|
|
WaitForSingleObject(SCSCreateEvent, -1);
|
||
|
|
|
||
|
|
CloseHandle(SCSCreateEvent);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|