blob: 45fbb99b680a9a5c3e230e6145cec5d42e15faf0 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering,
#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",
} 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;
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
images.os.os = IH_OS_LINUX;
images.os.arch = IH_ARCH_ARM64;
ret = do_bootm_states(cmdtp, flag, argc, argv,
&images, 1);
return ret;
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"
booti, CONFIG_SYS_MAXARGS, 1, do_booti,
"boot arm64 Linux Image image from memory", booti_help_text