static VOID WINAPI DosStart(LPWORD Stack)
{
BOOLEAN Success;
DWORD Result;
#ifndef STANDALONE
INT i;
#endif
DPRINT("DosStart\n");
/*
* We succeeded, deregister the DOS Starting BOP
* so that no app will be able to call us back.
*/
RegisterBop(BOP_START_DOS, NULL);
/* Initialize the callback context */
InitializeContext(&DosContext, BIOS_CODE_SEGMENT, 0x0010);
Success = DosBIOSInitialize();
// Success &= DosKRNLInitialize();
if (!Success)
{
BiosDisplayMessage("DOS32 loading failed (Error: %u). The VDM will shut down.\n", GetLastError());
EmulatorTerminate();
return;
}
/* Load the mouse driver */
DosMouseInitialize();
#ifndef STANDALONE
/* Parse the command line arguments */
for (i = 1; i < NtVdmArgc; i++)
{
if (wcsncmp(NtVdmArgv[i], L"-i", 2) == 0)
{
/* This is the session ID (hex format) */
SessionId = wcstoul(NtVdmArgv[i] + 2, NULL, 16);
}
}
/* Initialize Win32-VDM environment */
Env = RtlAllocateHeap(RtlGetProcessHeap(), HEAP_ZERO_MEMORY, EnvSize);
if (Env == NULL)
{
DosDisplayMessage("Failed to initialize the global environment (Error: %u). The VDM will shut down.\n", GetLastError());
EmulatorTerminate();
return;
}
/* Clear the structure */
RtlZeroMemory(&CommandInfo, sizeof(CommandInfo));
/* Get the initial information */
CommandInfo.TaskId = SessionId;
CommandInfo.VDMState = VDM_GET_FIRST_COMMAND | VDM_FLAG_DOS;
GetNextVDMCommand(&CommandInfo);
#else
/* Retrieve the command to start */
if (NtVdmArgc >= 2)
{
WideCharToMultiByte(CP_ACP, 0, NtVdmArgv[1], -1, AppName, sizeof(AppName), NULL, NULL);
if (NtVdmArgc >= 3)
WideCharToMultiByte(CP_ACP, 0, NtVdmArgv[2], -1, CmdLine, sizeof(CmdLine), NULL, NULL);
else
strcpy(CmdLine, "");
}
else
{
DosDisplayMessage("Invalid DOS command line\n");
EmulatorTerminate();
return;
}
#endif
/*
* At this point, CS:IP points to the DOS BIOS exit code. If the
* root command interpreter fails to start (or if it exits), DOS
* exits and the VDM terminates.
*/
/* Start the root command interpreter */
// TODO: Really interpret the 'SHELL=' line of CONFIG.NT, and use it!
/*
* Prepare the stack for DosStartComSpec:
* push Flags, CS and IP, and an extra WORD.
*/
setSP(getSP() - sizeof(WORD));
*((LPWORD)SEG_OFF_TO_PTR(getSS(), getSP())) = (WORD)getEFLAGS();
setSP(getSP() - sizeof(WORD));
*((LPWORD)SEG_OFF_TO_PTR(getSS(), getSP())) = getCS();
setSP(getSP() - sizeof(WORD));
*((LPWORD)SEG_OFF_TO_PTR(getSS(), getSP())) = getIP();
setSP(getSP() - sizeof(WORD));
Result = DosStartComSpec(TRUE, SEG_OFF_TO_PTR(SYSTEM_ENV_BLOCK, 0),
MAKELONG(getIP(), getCS()),
#ifndef STANDALONE
&RootCmd.ComSpecPsp
#else
NULL
#endif
);
if (Result != ERROR_SUCCESS)
{
/* Unprepare the stack for DosStartComSpec */
setSP(getSP() + 4*sizeof(WORD));
DosDisplayMessage("Failed to start the Command Interpreter (Error: %u). The VDM will shut down.\n", Result);
EmulatorTerminate();
return;
}
#ifndef STANDALONE
RootCmd.Terminated = FALSE;
InsertComSpecInfo(&RootCmd);
#endif
/**/
/* Attach to the console and resume the VM */
DosProcessConsoleAttach();
EmulatorResume();
/**/
return;
}
static VOID WINAPI DosStart(LPWORD Stack)
{
#ifdef STANDALONE
DWORD Result;
CHAR ApplicationName[MAX_PATH];
CHAR CommandLine[DOS_CMDLINE_LENGTH];
#endif
DPRINT("DosStart\n");
/*
* We succeeded, deregister the DOS Starting BOP
* so that no app will be able to call us back.
*/
RegisterBop(BOP_START_DOS, NULL);
/* Load the mouse driver */
DosMouseInitialize();
#ifndef STANDALONE
/* Create the GetNextVDMCommand thread */
CommandThread = CreateThread(NULL, 0, &CommandThreadProc, NULL, 0, NULL);
if (CommandThread == NULL)
{
wprintf(L"FATAL: Failed to create the command processing thread: %d\n", GetLastError());
goto Quit;
}
/* Wait for the command thread to exit */
WaitForSingleObject(CommandThread, INFINITE);
/* Close the thread handle */
CloseHandle(CommandThread);
#else
if (NtVdmArgc >= 2)
{
WideCharToMultiByte(CP_ACP, 0, NtVdmArgv[1], -1, ApplicationName, sizeof(ApplicationName), NULL, NULL);
if (NtVdmArgc >= 3)
WideCharToMultiByte(CP_ACP, 0, NtVdmArgv[2], -1, CommandLine, sizeof(CommandLine), NULL, NULL);
else
strcpy(CommandLine, "");
}
else
{
DisplayMessage(L"Invalid DOS command line\n");
goto Quit;
}
/* Start the process from the command line */
DPRINT1("Starting '%s' ('%s')...\n", ApplicationName, CommandLine);
Result = DosStartProcess(ApplicationName,
CommandLine,
SEG_OFF_TO_PTR(SYSTEM_ENV_BLOCK, 0));
if (Result != ERROR_SUCCESS)
{
DisplayMessage(L"Could not start '%S'. Error: %u", ApplicationName, Result);
goto Quit;
}
#endif
Quit:
/* Stop the VDM */
EmulatorTerminate();
}