Exemplo n.º 1
0
BOOLEAN EmulatorInitialize(HANDLE ConsoleInput, HANDLE ConsoleOutput)
{
    /* Allocate memory for the 16-bit address space */
    BaseAddress = HeapAlloc(GetProcessHeap(), /*HEAP_ZERO_MEMORY*/ 0, MAX_ADDRESS);
    if (BaseAddress == NULL)
    {
        wprintf(L"FATAL: Failed to allocate VDM memory.\n");
        return FALSE;
    }
    /*
     * For diagnostics purposes, we fill the memory with INT 0x03 codes
     * so that if a program wants to execute random code in memory, we can
     * retrieve the exact CS:IP where the problem happens.
     */
    RtlFillMemory(BaseAddress, MAX_ADDRESS, 0xCC);

    /* Initialize I/O ports */
    /* Initialize RAM */

    /* Initialize the CPU */

    /* Initialize the internal clock */
    if (!ClockInitialize())
    {
        wprintf(L"FATAL: Failed to initialize the clock\n");
        return FALSE;
    }

    /* Initialize the CPU */
    CpuInitialize();
    // Fast486Initialize(&EmulatorContext,
                      // EmulatorReadMemory,
                      // EmulatorWriteMemory,
                      // EmulatorReadIo,
                      // EmulatorWriteIo,
                      // NULL,
                      // EmulatorBiosOperation,
                      // EmulatorIntAcknowledge,
                      // NULL /* TODO: Use a TLB */);

    /* Initialize DMA */

    /* Initialize the PIC, the PIT, the CMOS and the PC Speaker */
    PicInitialize();
    PitInitialize();
    CmosInitialize();
    SpeakerInitialize();

    /* Set output functions */
    PitSetOutFunction(0, NULL, PitChan0Out);
    PitSetOutFunction(1, NULL, PitChan1Out);
    PitSetOutFunction(2, NULL, PitChan2Out);

    /* Register the I/O Ports */
    RegisterIoPort(CONTROL_SYSTEM_PORT61H, Port61hRead, Port61hWrite);

    /* Set the console input mode */
    // FIXME: Activate ENABLE_WINDOW_INPUT when we will want to perform actions
    // upon console window events (screen buffer resize, ...).
    SetConsoleMode(ConsoleInput, ENABLE_PROCESSED_INPUT /* | ENABLE_WINDOW_INPUT */);
    // SetConsoleMode(ConsoleOutput, ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT);

    /**/EnableExtraHardware(ConsoleInput);/**/

    /* Initialize the PS/2 port */
    PS2Initialize();

    /* Initialize the keyboard and mouse and connect them to their PS/2 ports */
    KeyboardInit(0);
    MouseInit(1);

    /**************** ATTACH INPUT WITH CONSOLE *****************/
    /* Start the input thread */
    InputThread = CreateThread(NULL, 0, &PumpConsoleInput, ConsoleInput, 0, NULL);
    if (InputThread == NULL)
    {
        DisplayMessage(L"Failed to create the console input thread.");
        return FALSE;
    }
    /************************************************************/

    /* Initialize the VGA */
    if (!VgaInitialize(ConsoleOutput))
    {
        DisplayMessage(L"Failed to initialize VGA support.");
        return FALSE;
    }

    /* Initialize the software callback system and register the emulator BOPs */
    InitializeInt32();
    RegisterBop(BOP_DEBUGGER  , EmulatorDebugBreakBop);
    // RegisterBop(BOP_UNSIMULATE, CpuUnsimulateBop);

    /* Initialize VDD support */
    VDDSupInitialize();

    return TRUE;
}
Exemplo n.º 2
0
BOOLEAN EmulatorInitialize(HANDLE ConsoleInput, HANDLE ConsoleOutput)
{
    USHORT i;

    /* Initialize memory */
    if (!MemInitialize())
    {
        wprintf(L"Memory initialization failed.\n");
        return FALSE;
    }

    /* Initialize I/O ports */
    /* Initialize RAM */

    /* Initialize the CPU */

    /* Initialize the internal clock */
    if (!ClockInitialize())
    {
        wprintf(L"FATAL: Failed to initialize the clock\n");
        EmulatorCleanup();
        return FALSE;
    }

    /* Initialize the CPU */
    CpuInitialize();

    /* Initialize DMA */
    DmaInitialize();

    /* Initialize PIC, PIT, CMOS, PC Speaker and PS/2 */
    PicInitialize();

    PitInitialize();
    PitSetOutFunction(0, NULL, PitChan0Out);
    PitSetOutFunction(1, NULL, PitChan1Out);
    PitSetOutFunction(2, NULL, PitChan2Out);

    CmosInitialize();
    SpeakerInitialize();
    PpiInitialize();

    PS2Initialize();

    /* Initialize the keyboard and mouse and connect them to their PS/2 ports */
    KeyboardInit(0);
    MouseInit(1);

    /**************** ATTACH INPUT WITH CONSOLE *****************/
    /* Create the task event */
    VdmTaskEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
    ASSERT(VdmTaskEvent != NULL);

    /* Start the input thread */
    InputThread = CreateThread(NULL, 0, &ConsoleEventThread, ConsoleInput, 0, NULL);
    if (InputThread == NULL)
    {
        wprintf(L"FATAL: Failed to create the console input thread.\n");
        EmulatorCleanup();
        return FALSE;
    }
    ResumeEventThread();
    /************************************************************/

    /* Initialize the VGA */
    if (!VgaInitialize(ConsoleOutput))
    {
        wprintf(L"FATAL: Failed to initialize VGA support.\n");
        EmulatorCleanup();
        return FALSE;
    }

    /* Initialize the disk controller */
    if (!DiskCtrlInitialize())
    {
        wprintf(L"FATAL: Failed to completely initialize the disk controller.\n");
        EmulatorCleanup();
        return FALSE;
    }

    /* Mount the available floppy disks */
    for (i = 0; i < ARRAYSIZE(GlobalSettings.FloppyDisks); ++i)
    {
        if (GlobalSettings.FloppyDisks[i].Length != 0 &&
            GlobalSettings.FloppyDisks[i].Buffer      &&
            GlobalSettings.FloppyDisks[i].Buffer != '\0')
        {
            if (!MountDisk(FLOPPY_DISK, i, GlobalSettings.FloppyDisks[i].Buffer, FALSE))
            {
                DPRINT1("Failed to mount floppy disk file '%wZ'.\n", &GlobalSettings.FloppyDisks[i]);
                RtlFreeUnicodeString(&GlobalSettings.FloppyDisks[i]);
                RtlInitEmptyUnicodeString(&GlobalSettings.FloppyDisks[i], NULL, 0);
            }
        }
    }

    /*
     * Mount the available hard disks. Contrary to floppies, failing
     * mounting a hard disk is considered as an unrecoverable error.
     */
    for (i = 0; i < ARRAYSIZE(GlobalSettings.HardDisks); ++i)
    {
        if (GlobalSettings.HardDisks[i].Length != 0 &&
            GlobalSettings.HardDisks[i].Buffer      &&
            GlobalSettings.HardDisks[i].Buffer != L'\0')
        {
            if (!MountDisk(HARD_DISK, i, GlobalSettings.HardDisks[i].Buffer, FALSE))
            {
                wprintf(L"FATAL: Failed to mount hard disk file '%wZ'.\n", &GlobalSettings.HardDisks[i]);
                EmulatorCleanup();
                return FALSE;
            }
        }
    }

    /* Refresh the menu state */
    UpdateVdmMenuDisks();

    /* Initialize the software callback system and register the emulator BOPs */
    InitializeInt32();
    RegisterBop(BOP_DEBUGGER  , EmulatorDebugBreakBop);
    // RegisterBop(BOP_UNSIMULATE, CpuUnsimulateBop);

    /* Initialize VDD support */
    VDDSupInitialize();

    return TRUE;
}