/*
 * BooterLog Dump Tool, part of the Chameleon Boot Loader Project
 *
 * Copyright 2010 by Islam M. Ahmed Zaid. All rights reserved.
 *
 */

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>

#include "IOKit/IOKitLib.h"

int main(int argc, char *argv[])
{
	io_registry_entry_t root;
	CFTypeRef bootLog = NULL;

	root = IORegistryEntryFromPath(kIOMasterPortDefault, "IOService:/");

	if (root)
		bootLog = IORegistryEntryCreateCFProperty(root, CFSTR("boot-log"), kCFAllocatorDefault, 0);

	if (!bootLog)
	{
		// Check for Clover boot log
		root = IORegistryEntryFromPath(kIOMasterPortDefault, "IODeviceTree:/efi/platform");

		if (root)
			bootLog = IORegistryEntryCreateCFProperty(root, CFSTR("boot-log"), kCFAllocatorDefault, 0);
	}

	if (!bootLog)
	{
		printf("\"boot-log\" property not found.\n");
		return 0;
	}

	const UInt8 *msglog = CFDataGetBytePtr((CFDataRef)bootLog);

	if (msglog)
		printf("%s\n", msglog);

	return 0;
}