Exemplos de md0Ramdisk em C++ (Cpp)

Exemplo n.º 1

static int ExecKernel(void *binary)
{
	int			ret;
	entry_t		kernelEntry;

	bootArgs->kaddr = bootArgs->ksize = 0;
	execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL);

	ret = DecodeKernel(binary,
					   &kernelEntry,
					   (char **) &bootArgs->kaddr,
					   (int *)&bootArgs->ksize );

	if ( ret != 0 )
		return ret;

	// Reserve space for boot args
	reserveKernBootStruct();

	// Notify modules that the kernel has been decoded
	execute_hook("DecodedKernel", (void*)binary, (void*)bootArgs->kaddr, (void*)bootArgs->ksize, NULL);

	setupFakeEfi();

	// Load boot drivers from the specifed root path.
	//if (!gHaveKernelCache)
	LoadDrivers("/");

	execute_hook("DriversLoaded", (void*)binary, NULL, NULL, NULL);

	clearActivityIndicator();

	if (gErrors) {
		printf("Errors encountered while starting up the computer.\n");
		printf("Pausing %d seconds...\n", kBootErrorTimeout);
		sleep(kBootErrorTimeout);
	}

	md0Ramdisk();

	// Cleanup the PXE base code.

	if ( (gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit ) {
		if ( (ret = nbpUnloadBaseCode()) != nbpStatusSuccess ) {
			printf("nbpUnloadBaseCode error %d\n", (int) ret);
			sleep(2);
		}
	}

	bool dummyVal;
	if (getBoolForKey(kWaitForKeypressKey, &dummyVal, &bootInfo->chameleonConfig) && dummyVal) {
		showTextBuffer(msgbuf, strlen(msgbuf));
	}

	usb_loop();

	// If we were in text mode, switch to graphics mode.
	// This will draw the boot graphics unless we are in
	// verbose mode.
	if (gVerboseMode) {
		setVideoMode( GRAPHICS_MODE, 0 );
	} else {
		drawBootGraphics();
	}

	DBG("Starting Darwin/%s [%s]\n",( archCpuType == CPU_TYPE_I386 ) ? "x86" : "x86_64", gDarwinBuildVerStr);
	DBG("Boot Args: %s\n", bootArgs->CommandLine);

	setupBooterLog();

	finalizeBootStruct();

	// Jump to kernel's entry point. There's no going back now.
	if ((checkOSVersion("10.7")) || (checkOSVersion("10.8")) || (checkOSVersion("10.9")))
	{

		// Notify modules that the kernel is about to be started
		execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL);

		// Masking out so that Lion doesn't doublefault
		outb(0x21, 0xff);	/* Maskout all interrupts Pic1 */
		outb(0xa1, 0xff);	/* Maskout all interrupts Pic2 */

		startprog( kernelEntry, bootArgs );
	} else {
		// Notify modules that the kernel is about to be started
		execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgsPreLion, NULL, NULL);

		startprog( kernelEntry, bootArgsPreLion );
	}

	// Not reached
	return 0;
}

Exemplo n.º 2

static int ExecKernel(void *binary)
{
    entry_t                   kernelEntry;
    int                       ret;

    bootArgs->kaddr = bootArgs->ksize = 0;
	execute_hook("ExecKernel", (void*)binary, NULL, NULL, NULL);

    //Azi: gHaveKernelCache is set here
    ret = DecodeKernel(binary,
                       &kernelEntry,
                       (char **) &bootArgs->kaddr,
                       (int *)&bootArgs->ksize );

    if ( ret != 0 )
        return ret;

    // Reserve space for boot args
    reserveKernBootStruct();

    //Azi: ...
    // Load boot drivers from the specifed root path,
    // if we don't have a prelinked kernel - check load.c 43 & 264
    if (!gHaveKernelCache) {
          LoadDrivers("/");
    }

    clearActivityIndicator();

    if (gErrors) {
        printf("Errors encountered while starting up the computer.\n");
        printf("Pausing %d seconds...\n", kBootErrorTimeout);
        sleep(kBootErrorTimeout);
    }

    setupFakeEfi(); //Azi: check position on Mek (plkernel)

    md0Ramdisk();

    verbose("Starting Darwin %s\n",( archCpuType == CPU_TYPE_I386 ) ? "x86" : "x86_64");

    // Cleanup the PXE base code.

    if ( (gBootFileType == kNetworkDeviceType) && gUnloadPXEOnExit ) {
		if ( (ret = nbpUnloadBaseCode()) != nbpStatusSuccess )
        {
        	printf("nbpUnloadBaseCode error %d\n", (int) ret);
            sleep(2);
        }
    }

    bool dummyVal;

	//Azi: Wait=y is breaking other keys when typed "after them" at boot prompt.
	// Works properly if typed in first place or used on Boot.plist.
	if (getBoolForKey(kWaitForKeypressKey, &dummyVal, &bootInfo->bootConfig) && dummyVal) {
		printf("(Wait) "); // Add to trunk?? don't forget that puse uses printf, not verbose!!
		pause();
	}

	usb_loop();

//autoresolution - Check if user disabled AutoResolution at the boot prompt.
	// we can't check the plist here if we have AutoResolution=n there and we anabled it
	// at boot prompt...?????
//	getBoolForKey(kAutoResolutionKey, &gAutoResolution, &bootInfo->bootConfig);
	finishAutoRes();
	
	//Azi: closing Vbios after "if (gVerboseMode)" stuff eliminates the need for setting
	// AutoResolution = true above; but creates another bug when booting in TextMode with -v arg.
	// Simptoms include: staring some seconds at a nicely drawn white screen, after boot prompt.
	// Think i'm just going to end up removing setting gAutoResolution = false
	// on closeVbios().. the more i think, the less sense it makes doing it there!!
//autoresolution - end

	// Notify modules that the kernel is about to be started
	// testing...
	
	if (gMacOSVersion[3] <= '6')
		execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgsPreLion, NULL, NULL);
	else
		execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL);

    // If we were in text mode, switch to graphics mode.
    // This will draw the boot graphics unless we are in
    // verbose mode.

    if(gVerboseMode)
      setVideoMode( GRAPHICS_MODE, 0 );
    else
      drawBootGraphics();

	setupBooterLog();
	
    finalizeBootStruct();

//Azi: see asm.s LABEL(_disableIRQs)
//	outb(0x21, 0xff);
//	outb(0xa1, 0xff);

    // Jump to kernel's entry point. There's no going back now.
	if (gMacOSVersion[3] <= '6')
		startprog( kernelEntry, bootArgsPreLion );
	else
		startprog( kernelEntry, bootArgs );

    // Not reached
    return 0;
}