summaryrefslogtreecommitdiff
path: root/cmd/bootm.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/bootm.c')
-rw-r--r--cmd/bootm.c775
1 files changed, 775 insertions, 0 deletions
diff --git a/cmd/bootm.c b/cmd/bootm.c
new file mode 100644
index 0000000..48738ac
--- /dev/null
+++ b/cmd/bootm.c
@@ -0,0 +1,775 @@
+/*
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <bootm.h>
+#include <command.h>
+#include <environment.h>
+#include <errno.h>
+#include <image.h>
+#include <lmb.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <nand.h>
+#include <asm/byteorder.h>
+#include <linux/compiler.h>
+#include <linux/ctype.h>
+#include <linux/err.h>
+#include <u-boot/zlib.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CMD_IMI)
+static int image_info(unsigned long addr);
+#endif
+
+#if defined(CONFIG_CMD_IMLS)
+#include <flash.h>
+#include <mtd/cfi_flash.h>
+extern flash_info_t flash_info[]; /* info for FLASH chips */
+#endif
+
+#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
+static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+#endif
+
+bootm_headers_t images; /* pointers to os/initrd/fdt images */
+
+/* we overload the cmd field with our state machine info instead of a
+ * function pointer */
+static cmd_tbl_t cmd_bootm_sub[] = {
+ U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
+ U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
+#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
+ U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
+#endif
+#ifdef CONFIG_OF_LIBFDT
+ U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
+#endif
+ U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
+ U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
+ U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
+ U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""),
+ U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
+};
+
+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) != 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;
+}
+
+/*******************************************************************/
+/* bootm - boot application image from image in memory */
+/*******************************************************************/
+
+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 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);
+}
+
+int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
+{
+ const char *ep = getenv("autostart");
+
+ if (ep && !strcmp(ep, "yes")) {
+ char *local_args[2];
+ local_args[0] = (char *)cmd;
+ local_args[1] = NULL;
+ printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
+ return do_bootm(cmdtp, 0, 1, local_args);
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_SYS_LONGHELP
+static char bootm_help_text[] =
+ "[addr [arg ...]]\n - boot application image stored in memory\n"
+ "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
+ "\t'arg' can be the address of an initrd image\n"
+#if defined(CONFIG_OF_LIBFDT)
+ "\tWhen booting a Linux kernel which requires a flat device-tree\n"
+ "\ta third argument is required which is the address of the\n"
+ "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
+ "\tuse a '-' for the second argument. If you do not pass a third\n"
+ "\ta bd_info struct will be passed instead\n"
+#endif
+#if defined(CONFIG_FIT)
+ "\t\nFor the new multi component uImage format (FIT) addresses\n"
+ "\tmust be extened to include component or configuration unit name:\n"
+ "\taddr:<subimg_uname> - direct component image specification\n"
+ "\taddr#<conf_uname> - configuration specification\n"
+ "\tUse iminfo command to get the list of existing component\n"
+ "\timages and configurations.\n"
+#endif
+ "\nSub-commands to do part of the bootm sequence. The sub-commands "
+ "must be\n"
+ "issued in the order below (it's ok to not issue all sub-commands):\n"
+ "\tstart [addr [arg ...]]\n"
+ "\tloados - load OS image\n"
+#if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
+ "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
+#endif
+#if defined(CONFIG_OF_LIBFDT)
+ "\tfdt - relocate flat device tree\n"
+#endif
+ "\tcmdline - OS specific command line processing/setup\n"
+ "\tbdt - OS specific bd_t processing\n"
+ "\tprep - OS specific prep before relocation or go\n"
+#if defined(CONFIG_TRACE)
+ "\tfake - OS specific fake start without go\n"
+#endif
+ "\tgo - start OS";
+#endif
+
+U_BOOT_CMD(
+ bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
+ "boot application image from memory", bootm_help_text
+);
+
+/*******************************************************************/
+/* bootd - boot default image */
+/*******************************************************************/
+#if defined(CONFIG_CMD_BOOTD)
+int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return run_command(getenv("bootcmd"), flag);
+}
+
+U_BOOT_CMD(
+ boot, 1, 1, do_bootd,
+ "boot default, i.e., run 'bootcmd'",
+ ""
+);
+
+/* keep old command name "bootd" for backward compatibility */
+U_BOOT_CMD(
+ bootd, 1, 1, do_bootd,
+ "boot default, i.e., run 'bootcmd'",
+ ""
+);
+
+#endif
+
+
+/*******************************************************************/
+/* iminfo - print header info for a requested image */
+/*******************************************************************/
+#if defined(CONFIG_CMD_IMI)
+static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int arg;
+ ulong addr;
+ int rcode = 0;
+
+ if (argc < 2) {
+ return image_info(load_addr);
+ }
+
+ for (arg = 1; arg < argc; ++arg) {
+ addr = simple_strtoul(argv[arg], NULL, 16);
+ if (image_info(addr) != 0)
+ rcode = 1;
+ }
+ return rcode;
+}
+
+static int image_info(ulong addr)
+{
+ void *hdr = (void *)addr;
+
+ printf("\n## Checking Image at %08lx ...\n", addr);
+
+ switch (genimg_get_format(hdr)) {
+#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
+ case IMAGE_FORMAT_LEGACY:
+ puts(" Legacy image found\n");
+ if (!image_check_magic(hdr)) {
+ puts(" Bad Magic Number\n");
+ return 1;
+ }
+
+ if (!image_check_hcrc(hdr)) {
+ puts(" Bad Header Checksum\n");
+ return 1;
+ }
+
+ image_print_contents(hdr);
+
+ puts(" Verifying Checksum ... ");
+ if (!image_check_dcrc(hdr)) {
+ puts(" Bad Data CRC\n");
+ return 1;
+ }
+ puts("OK\n");
+ return 0;
+#endif
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ puts(" FIT image found\n");
+
+ if (!fit_check_format(hdr)) {
+ puts("Bad FIT image format!\n");
+ return 1;
+ }
+
+ fit_print_contents(hdr);
+
+ if (!fit_all_image_verify(hdr)) {
+ puts("Bad hash in FIT image!\n");
+ return 1;
+ }
+
+ return 0;
+#endif
+ default:
+ puts("Unknown image format!\n");
+ break;
+ }
+
+ return 1;
+}
+
+U_BOOT_CMD(
+ iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo,
+ "print header information for application image",
+ "addr [addr ...]\n"
+ " - print header information for application image starting at\n"
+ " address 'addr' in memory; this includes verification of the\n"
+ " image contents (magic number, header and payload checksums)"
+);
+#endif
+
+
+/*******************************************************************/
+/* imls - list all images found in flash */
+/*******************************************************************/
+#if defined(CONFIG_CMD_IMLS)
+static int do_imls_nor(void)
+{
+ flash_info_t *info;
+ int i, j;
+ void *hdr;
+
+ for (i = 0, info = &flash_info[0];
+ i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ goto next_bank;
+ for (j = 0; j < info->sector_count; ++j) {
+
+ hdr = (void *)info->start[j];
+ if (!hdr)
+ goto next_sector;
+
+ switch (genimg_get_format(hdr)) {
+#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
+ case IMAGE_FORMAT_LEGACY:
+ if (!image_check_hcrc(hdr))
+ goto next_sector;
+
+ printf("Legacy Image at %08lX:\n", (ulong)hdr);
+ image_print_contents(hdr);
+
+ puts(" Verifying Checksum ... ");
+ if (!image_check_dcrc(hdr)) {
+ puts("Bad Data CRC\n");
+ } else {
+ puts("OK\n");
+ }
+ break;
+#endif
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ if (!fit_check_format(hdr))
+ goto next_sector;
+
+ printf("FIT Image at %08lX:\n", (ulong)hdr);
+ fit_print_contents(hdr);
+ break;
+#endif
+ default:
+ goto next_sector;
+ }
+
+next_sector: ;
+ }
+next_bank: ;
+ }
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_IMLS_NAND)
+static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
+ size_t len)
+{
+ void *imgdata;
+ int ret;
+
+ imgdata = malloc(len);
+ if (!imgdata) {
+ printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
+ nand_dev, off);
+ printf(" Low memory(cannot allocate memory for image)\n");
+ return -ENOMEM;
+ }
+
+ ret = nand_read_skip_bad(nand, off, &len,
+ imgdata);
+ if (ret < 0 && ret != -EUCLEAN) {
+ free(imgdata);
+ return ret;
+ }
+
+ if (!image_check_hcrc(imgdata)) {
+ free(imgdata);
+ return 0;
+ }
+
+ printf("Legacy Image at NAND device %d offset %08llX:\n",
+ nand_dev, off);
+ image_print_contents(imgdata);
+
+ puts(" Verifying Checksum ... ");
+ if (!image_check_dcrc(imgdata))
+ puts("Bad Data CRC\n");
+ else
+ puts("OK\n");
+
+ free(imgdata);
+
+ return 0;
+}
+
+static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
+ size_t len)
+{
+ void *imgdata;
+ int ret;
+
+ imgdata = malloc(len);
+ if (!imgdata) {
+ printf("May be a FIT Image at NAND device %d offset %08llX:\n",
+ nand_dev, off);
+ printf(" Low memory(cannot allocate memory for image)\n");
+ return -ENOMEM;
+ }
+
+ ret = nand_read_skip_bad(nand, off, &len,
+ imgdata);
+ if (ret < 0 && ret != -EUCLEAN) {
+ free(imgdata);
+ return ret;
+ }
+
+ if (!fit_check_format(imgdata)) {
+ free(imgdata);
+ return 0;
+ }
+
+ printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
+
+ fit_print_contents(imgdata);
+ free(imgdata);
+
+ return 0;
+}
+
+static int do_imls_nand(void)
+{
+ nand_info_t *nand;
+ int nand_dev = nand_curr_device;
+ size_t len;
+ loff_t off;
+ u32 buffer[16];
+
+ if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
+ puts("\nNo NAND devices available\n");
+ return -ENODEV;
+ }
+
+ printf("\n");
+
+ for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
+ nand = &nand_info[nand_dev];
+ if (!nand->name || !nand->size)
+ continue;
+
+ for (off = 0; off < nand->size; off += nand->erasesize) {
+ const image_header_t *header;
+ int ret;
+
+ if (nand_block_isbad(nand, off))
+ continue;
+
+ len = sizeof(buffer);
+
+ ret = nand_read(nand, off, &len, (u8 *)buffer);
+ if (ret < 0 && ret != -EUCLEAN) {
+ printf("NAND read error %d at offset %08llX\n",
+ ret, off);
+ continue;
+ }
+
+ switch (genimg_get_format(buffer)) {
+#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
+ case IMAGE_FORMAT_LEGACY:
+ header = (const image_header_t *)buffer;
+
+ len = image_get_image_size(header);
+ nand_imls_legacyimage(nand, nand_dev, off, len);
+ break;
+#endif
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ len = fit_get_size(buffer);
+ nand_imls_fitimage(nand, nand_dev, off, len);
+ break;
+#endif
+ }
+ }
+ }
+
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
+static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int ret_nor = 0, ret_nand = 0;
+
+#if defined(CONFIG_CMD_IMLS)
+ ret_nor = do_imls_nor();
+#endif
+
+#if defined(CONFIG_CMD_IMLS_NAND)
+ ret_nand = do_imls_nand();
+#endif
+
+ if (ret_nor)
+ return ret_nor;
+
+ if (ret_nand)
+ return ret_nand;
+
+ return (0);
+}
+
+U_BOOT_CMD(
+ imls, 1, 1, do_imls,
+ "list all images found in flash",
+ "\n"
+ " - Prints information about all images found at sector/block\n"
+ " boundaries in nor/nand flash."
+);
+#endif
+
+#ifdef CONFIG_CMD_BOOTZ
+
+int __weak bootz_setup(ulong image, ulong *start, ulong *end)
+{
+ /* Please define bootz_setup() for your platform */
+
+ puts("Your platform's zImage format isn't supported yet!\n");
+ return -1;
+}
+
+/*
+ * 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;
+}
+
+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,
+ BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
+ BOOTM_STATE_OS_GO,
+ &images, 1);
+
+ return ret;
+}
+
+#ifdef CONFIG_SYS_LONGHELP
+static char bootz_help_text[] =
+ "[addr [initrd[:size]] [fdt]]\n"
+ " - boot Linux zImage stored in memory\n"
+ "\tThe argument 'initrd' is optional and specifies the address\n"
+ "\tof the initrd in memory. The optional argument ':size' allows\n"
+ "\tspecifying the size of RAW initrd.\n"
+#if defined(CONFIG_OF_LIBFDT)
+ "\tWhen booting a Linux kernel which requires a flat device-tree\n"
+ "\ta third argument is required which is the address of the\n"
+ "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
+ "\tuse a '-' for the second argument. If you do not pass a third\n"
+ "\ta bd_info struct will be passed instead\n"
+#endif
+ "";
+#endif
+
+U_BOOT_CMD(
+ bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
+ "boot Linux zImage image from memory", bootz_help_text
+);
+#endif /* CONFIG_CMD_BOOTZ */
+
+#ifdef CONFIG_CMD_BOOTI
+/* See Documentation/arm64/booting.txt in the Linux kernel */
+struct Image_header {
+ uint32_t code0; /* Executable code */
+ uint32_t code1; /* Executable code */
+ uint64_t text_offset; /* Image load offset, LE */
+ uint64_t image_size; /* Effective Image size, LE */
+ uint64_t res1; /* reserved */
+ uint64_t res2; /* reserved */
+ uint64_t res3; /* reserved */
+ uint64_t res4; /* reserved */
+ uint32_t magic; /* Magic number */
+ uint32_t res5;
+};
+
+#define LINUX_ARM64_IMAGE_MAGIC 0x644d5241
+
+static int booti_setup(bootm_headers_t *images)
+{
+ struct Image_header *ih;
+ uint64_t dst;
+
+ ih = (struct Image_header *)map_sysmem(images->ep, 0);
+
+ if (ih->magic != le32_to_cpu(LINUX_ARM64_IMAGE_MAGIC)) {
+ puts("Bad Linux ARM64 Image magic!\n");
+ return 1;
+ }
+
+ if (ih->image_size == 0) {
+ puts("Image lacks image_size field, assuming 16MiB\n");
+ ih->image_size = (16 << 20);
+ }
+
+ /*
+ * If we are not at the correct run-time location, set the new
+ * correct location and then move the image there.
+ */
+ dst = gd->bd->bi_dram[0].start + le32_to_cpu(ih->text_offset);
+ if (images->ep != dst) {
+ void *src;
+
+ debug("Moving Image from 0x%lx to 0x%llx\n", images->ep, dst);
+
+ src = (void *)images->ep;
+ images->ep = dst;
+ memmove((void *)dst, src, le32_to_cpu(ih->image_size));
+ }
+
+ return 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));
+
+ /*
+ * 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;
+ ret = do_bootm_states(cmdtp, flag, argc, argv,
+ 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 in memory\n"
+ "\tThe argument 'initrd' is optional and specifies the address\n"
+ "\tof the initrd in memory. The optional argument ':size' allows\n"
+ "\tspecifying the size of RAW initrd.\n"
+#if defined(CONFIG_OF_LIBFDT)
+ "\tSince booting a Linux kernelrequires a flat device-tree\n"
+ "\ta third argument is required which is the address of the\n"
+ "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
+ "\tuse a '-' for the second argument.\n"
+#endif
+ "";
+#endif
+
+U_BOOT_CMD(
+ booti, CONFIG_SYS_MAXARGS, 1, do_booti,
+ "boot arm64 Linux Image image from memory", booti_help_text
+);
+#endif /* CONFIG_CMD_BOOTI */
generated by cgit v1.1 at 2024-11-13 03:53:19 +0000