[people/ms/u-boot.git] / cmd / booti.c

/*
 * (C) Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <bootm.h>
#include <command.h>
#include <image.h>
#include <lmb.h>
#include <mapmem.h>
#include <linux/kernel.h>
#include <linux/sizes.h>

DECLARE_GLOBAL_DATA_PTR;

/*
 * Image booting support
 */
static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[], bootm_headers_t *images)
{
	int ret;
	ulong ld;
	ulong relocated_addr;
	ulong image_size;

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

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

	ret = booti_setup(ld, &relocated_addr, &image_size);
	if (ret != 0)
		return 1;

	/* Handle BOOTM_STATE_LOADOS */
	if (relocated_addr != ld) {
		debug("Moving Image from 0x%lx to 0x%lx\n", ld, relocated_addr);
		memmove((void *)relocated_addr, (void *)ld, image_size);
	}

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

	/*
	 * 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;
}

int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int ret;

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

	if (booti_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;
	images.os.arch = IH_ARCH_ARM64;
	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;
}

#ifdef CONFIG_SYS_LONGHELP
static char booti_help_text[] =
	"[addr [initrd[:size]] [fdt]]\n"
	"    - boot arm64 Linux Image stored in memory\n"
	"\tThe argument 'initrd' is optional and specifies the address\n"
	"\tof an initrd in memory. The optional parameter ':size' allows\n"
	"\tspecifying the size of a RAW initrd.\n"
#if defined(CONFIG_OF_LIBFDT)
	"\tSince booting a Linux kernel requires a flat device-tree, a\n"
	"\tthird argument providing the address of the device-tree blob\n"
	"\tis required. To boot a kernel with a device-tree blob but\n"
	"\twithout an initrd image, use a '-' for the initrd argument.\n"
#endif
	"";
#endif

U_BOOT_CMD(
	booti,	CONFIG_SYS_MAXARGS,	1,	do_booti,
	"boot arm64 Linux Image image from memory", booti_help_text
);
Commit	Line	Data
5db28905 TR	1	/*
	2	* (C) Copyright 2000-2009
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#include <common.h>
	9	#include <bootm.h>
	10	#include <command.h>
	11	#include <image.h>
	12	#include <lmb.h>
	13	#include <mapmem.h>
28085764 MY	14	#include <linux/kernel.h>
28085764 MY	15	#include <linux/sizes.h>
5db28905 TR	16
	17	DECLARE_GLOBAL_DATA_PTR;
	18
5db28905 TR	19	/*
	20	* Image booting support
	21	*/
	22	static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
	23	char * const argv[], bootm_headers_t *images)
	24	{
	25	int ret;
6808ef9a BC	26	ulong ld;
	27	ulong relocated_addr;
	28	ulong image_size;
5db28905 TR	29
	30	ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
	31	images, 1);
	32
	33	/* Setup Linux kernel Image entry point */
	34	if (!argc) {
6808ef9a	35	ld = load_addr;
5db28905 TR	36	debug("* kernel: default image load address = 0x%08lx\n",
	37	load_addr);
	38	} else {
6808ef9a	39	ld = simple_strtoul(argv[0], NULL, 16);
bf14d9a7	40	debug("* kernel: cmdline image address = 0x%08lx\n", ld);
5db28905 TR	41	}
5db28905 TR	42
6808ef9a	43	ret = booti_setup(ld, &relocated_addr, &image_size);
5db28905 TR	44	if (ret != 0)
	45	return 1;
	46
6808ef9a BC	47	/* Handle BOOTM_STATE_LOADOS */
	48	if (relocated_addr != ld) {
	49	debug("Moving Image from 0x%lx to 0x%lx\n", ld, relocated_addr);
	50	memmove((void )relocated_addr, (void )ld, image_size);
	51	}
5db28905	52
6808ef9a BC	53	images->ep = relocated_addr;
6808ef9a BC	54	lmb_reserve(&images->lmb, images->ep, le32_to_cpu(image_size));
5db28905 TR	55
	56	/*
	57	* Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
	58	* have a header that provide this informaiton.
	59	*/
	60	if (bootm_find_images(flag, argc, argv))
	61	return 1;
	62
	63	return 0;
	64	}
	65
	66	int do_booti(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	67	{
	68	int ret;
	69
	70	/* Consume 'booti' */
	71	argc--; argv++;
	72
	73	if (booti_start(cmdtp, flag, argc, argv, &images))
	74	return 1;
	75
	76	/*
	77	* We are doing the BOOTM_STATE_LOADOS state ourselves, so must
	78	* disable interrupts ourselves
	79	*/
	80	bootm_disable_interrupts();
	81
	82	images.os.os = IH_OS_LINUX;
0fff19a6	83	images.os.arch = IH_ARCH_ARM64;
5db28905	84	ret = do_bootm_states(cmdtp, flag, argc, argv,
4943dc2f CS	85	#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
	86	BOOTM_STATE_RAMDISK \|
	87	#endif
5db28905 TR	88	BOOTM_STATE_OS_PREP \| BOOTM_STATE_OS_FAKE_GO \|
	89	BOOTM_STATE_OS_GO,
	90	&images, 1);
	91
	92	return ret;
	93	}
	94
	95	#ifdef CONFIG_SYS_LONGHELP
	96	static char booti_help_text[] =
	97	"[addr [initrd[:size]] [fdt]]\n"
	98	" - boot arm64 Linux Image stored in memory\n"
	99	"\tThe argument 'initrd' is optional and specifies the address\n"
	100	"\tof an initrd in memory. The optional parameter ':size' allows\n"
	101	"\tspecifying the size of a RAW initrd.\n"
	102	#if defined(CONFIG_OF_LIBFDT)
	103	"\tSince booting a Linux kernel requires a flat device-tree, a\n"
	104	"\tthird argument providing the address of the device-tree blob\n"
	105	"\tis required. To boot a kernel with a device-tree blob but\n"
	106	"\twithout an initrd image, use a '-' for the initrd argument.\n"
	107	#endif
	108	"";
	109	#endif
	110
	111	U_BOOT_CMD(
	112	booti, CONFIG_SYS_MAXARGS, 1, do_booti,
	113	"boot arm64 Linux Image image from memory", booti_help_text
	114	);