#define NDEBUG
+#include "emulator.h"
+#include "utils.h"
+
#include "dem.h"
+#include "bop.h"
/* Extra PSDK/NDK Headers */
#include <ndk/obtypes.h>
+/* PRIVATE VARIABLES **********************************************************/
+
/**/extern BYTE CurrentDrive;/**/
+/* DEFINES ********************************************************************/
+
+/* BOP Identifiers */
+#define BOP_DOS 0x50 // DOS System BOP (for NTIO.SYS and NTDOS.SYS)
+#define BOP_CMD 0x54 // DOS Command Interpreter BOP (for COMMAND.COM)
+
+/* PRIVATE FUNCTIONS **********************************************************/
+
+static VOID WINAPI DosSystemBop(LPWORD Stack)
+{
+ /* Get the Function Number and skip it */
+ BYTE FuncNum = *(PBYTE)SEG_OFF_TO_PTR(getCS(), getIP());
+ setIP(getIP() + 1);
+
+ switch (FuncNum)
+ {
+ case 0x11: // Load the DOS kernel
+ {
+ BOOLEAN Success;
+ HANDLE hDosKernel;
+ ULONG ulDosKernelSize = 0;
+
+ DPRINT1("You are loading Windows NT DOS!\n");
+
+ /* Open the DOS kernel file */
+ hDosKernel = FileOpen("ntdos.sys", &ulDosKernelSize);
+
+ /* If we failed, bail out */
+ if (hDosKernel == NULL) goto Quit;
+
+ /*
+ * Attempt to load the DOS kernel into memory.
+ * The segment where to load the DOS kernel is defined
+ * by the DOS BIOS and is found in DI:0000 .
+ */
+ Success = FileLoadByHandle(hDosKernel,
+ REAL_TO_PHYS(TO_LINEAR(getDI(), 0x0000)),
+ ulDosKernelSize,
+ &ulDosKernelSize);
+ DPRINT1("DOS loading %s ; GetLastError() = %u\n", Success ? "succeeded" : "failed", GetLastError());
+
+ /* Close the DOS kernel file */
+ FileClose(hDosKernel);
+
+Quit:
+ if (!Success)
+ {
+ /* We failed everything, stop the VDM */
+ VdmRunning = FALSE;
+ }
+
+ break;
+ }
+
+ default:
+ {
+
+ DPRINT1("Unknown DOS System BOP Function: 0x%02X\n", FuncNum);
+ // setCF(1); // Disable, otherwise we enter an infinite loop
+ break;
+ }
+ }
+}
+
+static VOID WINAPI DosCmdInterpreterBop(LPWORD Stack)
+{
+ /* Get the Function Number and skip it */
+ BYTE FuncNum = *(PBYTE)SEG_OFF_TO_PTR(getCS(), getIP());
+ setIP(getIP() + 1);
+
+ switch (FuncNum)
+ {
+ case 0x08: // Launch external command
+ {
+#define CMDLINE_LENGTH 1024
+
+ BOOL Result;
+ DWORD dwExitCode;
+
+ LPSTR Command = (LPSTR)SEG_OFF_TO_PTR(getDS(), getSI());
+ LPSTR CmdPtr = Command;
+ CHAR CommandLine[CMDLINE_LENGTH] = "";
+ STARTUPINFOA StartupInfo;
+ PROCESS_INFORMATION ProcessInformation;
+
+ /* Remove return carriage character */
+ while (*CmdPtr != '\r') CmdPtr++;
+ *CmdPtr = '\0';
+
+ DPRINT1("CMD Run Command '%s'\n", Command);
+
+ /* Spawn a user-defined 32-bit command preprocessor */
+
+ /* Build the command line */
+ // FIXME: Use COMSPEC env var!!
+ strcpy(CommandLine, "cmd.exe /c ");
+ strcat(CommandLine, Command);
+
+ ZeroMemory(&StartupInfo, sizeof(StartupInfo));
+ ZeroMemory(&ProcessInformation, sizeof(ProcessInformation));
+
+ StartupInfo.cb = sizeof(StartupInfo);
+
+ DosPrintCharacter('\n');
+
+ Result = CreateProcessA(NULL,
+ CommandLine,
+ NULL,
+ NULL,
+ TRUE,
+ 0,
+ NULL,
+ NULL,
+ &StartupInfo,
+ &ProcessInformation);
+ if (Result)
+ {
+ DPRINT1("Command '%s' launched successfully\n", Command);
+
+ /* Wait for process termination */
+ WaitForSingleObject(ProcessInformation.hProcess, INFINITE);
+
+ /* Get the exit code */
+ GetExitCodeProcess(ProcessInformation.hProcess, &dwExitCode);
+
+ /* Close handles */
+ CloseHandle(ProcessInformation.hThread);
+ CloseHandle(ProcessInformation.hProcess);
+ }
+ else
+ {
+ DPRINT1("Failed when launched command '%s'\n");
+ dwExitCode = GetLastError();
+ }
+
+ DosPrintCharacter('\n');
+
+ setAL((UCHAR)dwExitCode);
+
+ break;
+ }
+
+ default:
+ {
+ DPRINT1("Unknown DOS CMD Interpreter BOP Function: 0x%02X\n", FuncNum);
+ // setCF(1); // Disable, otherwise we enter an infinite loop
+ break;
+ }
+ }
+}
+
/* PUBLIC FUNCTIONS ***********************************************************/
-BOOLEAN DosInitialize(IN LPCSTR DosKernelFileNames)
+BOOLEAN DosInitialize(IN LPCSTR DosKernelFileName)
{
- if (DosKernelFileNames)
+ /* Register the DOS BOPs */
+ RegisterBop(BOP_DOS, DosSystemBop );
+ RegisterBop(BOP_CMD, DosCmdInterpreterBop);
+
+ if (DosKernelFileName)
{
- DisplayMessage(L"NTVDM: Loading DOS kernel from external files is currently unsupported");
- return FALSE;
+ BOOLEAN Success;
+ HANDLE hDosBios;
+ ULONG ulDosBiosSize = 0;
+
+ /* Open the DOS BIOS file */
+ hDosBios = FileOpen(DosKernelFileName, &ulDosBiosSize);
+
+ /* If we failed, bail out */
+ if (hDosBios == NULL) return FALSE;
+
+ /* Attempt to load the DOS BIOS into memory */
+ Success = FileLoadByHandle(hDosBios,
+ REAL_TO_PHYS(TO_LINEAR(0x0070, 0x0000)),
+ ulDosBiosSize,
+ &ulDosBiosSize);
+ DPRINT1("DOS BIOS loading %s ; GetLastError() = %u\n", Success ? "succeeded" : "failed", GetLastError());
+
+ /* Close the DOS BIOS file */
+ FileClose(hDosBios);
+
+ if (Success)
+ {
+ /* Position execution pointers and return */
+ setCS(0x0070);
+ setIP(0x0000);
+ }
+
+ return Success;
}
else
{
BOOLEAN Result;
Result = DosBIOSInitialize();
- Result &= DosKRNLInitialize();
+ // Result &= DosKRNLInitialize();
return Result;
}
projects / reactos.git / blobdiff