Exemple #1
0
/*
 * zImage booting support
 */
static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[], bootm_headers_t *images)
{
	int ret;
	void *zi_start, *zi_end;

	ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
			      images, 1);

	/* Setup Linux kernel zImage entry point */
	if (argc < 2) {
		images->ep = load_addr;
		debug("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
	} else {
		images->ep = simple_strtoul(argv[1], NULL, 16);
		debug("*  kernel: cmdline image address = 0x%08lx\n",
			images->ep);
	}

	ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
	if (ret != 0)
		return 1;

	lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);

	ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_FINDOTHER,
			      images, 1);

	return ret;
}
Exemple #2
0
static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[])
{
	int ret = 0;
	long state;
	cmd_tbl_t *c;

	c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
	argc--; argv++;

	if (c) {
		state = (long)c->cmd;
		if (state == BOOTM_STATE_START)
			state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
	} else {
		/* Unrecognized command */
		return CMD_RET_USAGE;
	}

	if (state != BOOTM_STATE_START && images.state >= state) {
		printf("Trying to execute a command out of order\n");
		return CMD_RET_USAGE;
	}

	ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);

	return ret;
}
Exemple #3
0
int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int ret;

	/* Consume 'bootz' */
	argc--; argv++;

	if (bootz_start(cmdtp, flag, argc, argv, &images))
		return 1;

	/*
	 * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
	 * disable interrupts ourselves
	 */
	bootm_disable_interrupts();

	images.os.os = IH_OS_LINUX;
	ret = do_bootm_states(cmdtp, flag, argc, argv,
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
			      BOOTM_STATE_RAMDISK |
#endif
			      BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
			      BOOTM_STATE_OS_GO,
			      &images, 1);

	return ret;
}
Exemple #4
0
/*
 * zImage booting support
 */
static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[], bootm_headers_t *images)
{
	int ret;
	ulong zi_start, zi_end;

	ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
			      images, 1);

	/* Setup Linux kernel zImage entry point */
	if (!argc) {
		images->ep = load_addr;
		debug("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
	} else {
		images->ep = simple_strtoul(argv[0], NULL, 16);
		debug("*  kernel: cmdline image address = 0x%08lx\n",
			images->ep);
	}

	ret = bootz_setup(images->ep, &zi_start, &zi_end);
	if (ret != 0)
		return 1;

	lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);

	/*
	 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
	 * have a header that provide this informaiton.
	 */
	if (bootm_find_images(flag, argc, argv))
		return 1;

	return 0;
}
Exemple #5
0
int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	bootm_headers_t	images;
	int ret;

	if (bootz_start(cmdtp, flag, argc, argv, &images))
		return 1;

	ret = do_bootm_states(cmdtp, flag, argc, argv,
			      BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO,
			      &images, 1);

	return ret;
}
Exemple #6
0
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#ifdef CONFIG_NEEDS_MANUAL_RELOC
	static int relocated = 0;

	if (!relocated) {
		int i;

		/* relocate boot function table */
		for (i = 0; i < ARRAY_SIZE(boot_os); i++)
			if (boot_os[i] != NULL)
				boot_os[i] += gd->reloc_off;

		/* relocate names of sub-command table */
		for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
			cmd_bootm_sub[i].name += gd->reloc_off;

		relocated = 1;
	}
#endif

	/* determine if we have a sub command */
	argc--; argv++;
	if (argc > 0) {
		char *endp;

		simple_strtoul(argv[0], &endp, 16);
		/* endp pointing to NULL means that argv[0] was just a
		 * valid number, pass it along to the normal bootm processing
		 *
		 * If endp is ':' or '#' assume a FIT identifier so pass
		 * along for normal processing.
		 *
		 * Right now we assume the first arg should never be '-'
		 */
		if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
			return do_bootm_subcommand(cmdtp, flag, argc, argv);
	}

	return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
		BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
		BOOTM_STATE_LOADOS |
#if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
		BOOTM_STATE_OS_CMDLINE |
#endif
		BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
		BOOTM_STATE_OS_GO, &images, 1);
}
Exemple #7
0
/*
 * Image booting support
 */
static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[], bootm_headers_t *images)
{
	int ret;
	struct Image_header *ih;

	ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
			      images, 1);

	/* Setup Linux kernel Image entry point */
	if (!argc) {
		images->ep = load_addr;
		debug("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
	} else {
		images->ep = simple_strtoul(argv[0], NULL, 16);
		debug("*  kernel: cmdline image address = 0x%08lx\n",
			images->ep);
	}

	ret = booti_setup(images);
	if (ret != 0)
		return 1;

	ih = (struct Image_header *)map_sysmem(images->ep, 0);

	lmb_reserve(&images->lmb, images->ep, le32_to_cpu(ih->image_size));

	unmap_sysmem(ih);

	/*
	 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
	 * have a header that provide this informaiton.
	 */
	if (bootm_find_images(flag, argc, argv))
		return 1;

	return 0;
}