[J-u-boot.git] / cmd / booti.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 */

#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>

/*
 * 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, false);
	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;
#ifdef CONFIG_RISCV_SMODE
	images.os.arch = IH_ARCH_RISCV;
#elif CONFIG_ARM64
	images.os.arch = IH_ARCH_ARM64;
#endif
	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 Linux 'Image' stored at 'addr'\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 Linux kernel 'Image' format from memory", booti_help_text
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
5db28905 TR	2	/*
	3	* (C) Copyright 2000-2009
	4	* Wolfgang Denk, DENX Software Engineering, [email protected].
5db28905 TR	5	*/
	6
	7	#include <common.h>
	8	#include <bootm.h>
	9	#include <command.h>
	10	#include <image.h>
	11	#include <lmb.h>
	12	#include <mapmem.h>
28085764 MY	13	#include <linux/kernel.h>
28085764 MY	14	#include <linux/sizes.h>
5db28905	15
5db28905 TR	16	/*
	17	* Image booting support
	18	*/
	19	static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
	20	char * const argv[], bootm_headers_t *images)
	21	{
	22	int ret;
6808ef9a BC	23	ulong ld;
	24	ulong relocated_addr;
	25	ulong image_size;
5db28905 TR	26
	27	ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
	28	images, 1);
	29
	30	/* Setup Linux kernel Image entry point */
	31	if (!argc) {
6808ef9a	32	ld = load_addr;
5db28905 TR	33	debug("* kernel: default image load address = 0x%08lx\n",
	34	load_addr);
	35	} else {
6808ef9a	36	ld = simple_strtoul(argv[0], NULL, 16);
bf14d9a7	37	debug("* kernel: cmdline image address = 0x%08lx\n", ld);
5db28905 TR	38	}
5db28905 TR	39
7f13b374	40	ret = booti_setup(ld, &relocated_addr, &image_size, false);
5db28905 TR	41	if (ret != 0)
	42	return 1;
	43
6808ef9a BC	44	/* Handle BOOTM_STATE_LOADOS */
	45	if (relocated_addr != ld) {
	46	debug("Moving Image from 0x%lx to 0x%lx\n", ld, relocated_addr);
	47	memmove((void )relocated_addr, (void )ld, image_size);
	48	}
5db28905	49
6808ef9a BC	50	images->ep = relocated_addr;
6808ef9a BC	51	lmb_reserve(&images->lmb, images->ep, le32_to_cpu(image_size));
5db28905 TR	52
	53	/*
	54	* Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
	55	* have a header that provide this informaiton.
	56	*/
	57	if (bootm_find_images(flag, argc, argv))
	58	return 1;
	59
	60	return 0;
	61	}
	62
	63	int do_booti(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	64	{
	65	int ret;
	66
	67	/* Consume 'booti' */
	68	argc--; argv++;
	69
	70	if (booti_start(cmdtp, flag, argc, argv, &images))
	71	return 1;
	72
	73	/*
	74	* We are doing the BOOTM_STATE_LOADOS state ourselves, so must
	75	* disable interrupts ourselves
	76	*/
	77	bootm_disable_interrupts();
	78
	79	images.os.os = IH_OS_LINUX;
3cedc974 AP	80	#ifdef CONFIG_RISCV_SMODE
	81	images.os.arch = IH_ARCH_RISCV;
	82	#elif CONFIG_ARM64
0fff19a6	83	images.os.arch = IH_ARCH_ARM64;
3cedc974	84	#endif
5db28905	85	ret = do_bootm_states(cmdtp, flag, argc, argv,
4943dc2f CS	86	#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
	87	BOOTM_STATE_RAMDISK \|
	88	#endif
5db28905 TR	89	BOOTM_STATE_OS_PREP \| BOOTM_STATE_OS_FAKE_GO \|
	90	BOOTM_STATE_OS_GO,
	91	&images, 1);
	92
	93	return ret;
	94	}
	95
	96	#ifdef CONFIG_SYS_LONGHELP
	97	static char booti_help_text[] =
	98	"[addr [initrd[:size]] [fdt]]\n"
3cedc974	99	" - boot Linux 'Image' stored at 'addr'\n"
5db28905 TR	100	"\tThe argument 'initrd' is optional and specifies the address\n"
	101	"\tof an initrd in memory. The optional parameter ':size' allows\n"
	102	"\tspecifying the size of a RAW initrd.\n"
	103	#if defined(CONFIG_OF_LIBFDT)
	104	"\tSince booting a Linux kernel requires a flat device-tree, a\n"
	105	"\tthird argument providing the address of the device-tree blob\n"
	106	"\tis required. To boot a kernel with a device-tree blob but\n"
	107	"\twithout an initrd image, use a '-' for the initrd argument.\n"
	108	#endif
	109	"";
	110	#endif
	111
	112	U_BOOT_CMD(
	113	booti, CONFIG_SYS_MAXARGS, 1, do_booti,
3cedc974	114	"boot Linux kernel 'Image' format from memory", booti_help_text
5db28905	115	);