* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
-
/*
* Boot support
*/
#include <common.h>
-#include <watchdog.h>
+#include <bootm.h>
#include <command.h>
-#include <image.h>
-#include <malloc.h>
-#include <u-boot/zlib.h>
-#include <bzlib.h>
#include <environment.h>
+#include <errno.h>
+#include <image.h>
#include <lmb.h>
-#include <linux/ctype.h>
+#include <malloc.h>
+#include <mapmem.h>
+#include <nand.h>
#include <asm/byteorder.h>
#include <linux/compiler.h>
-
-#if defined(CONFIG_CMD_USB)
-#include <usb.h>
-#endif
-
-#ifdef CONFIG_SYS_HUSH_PARSER
-#include <hush.h>
-#endif
-
-#if defined(CONFIG_OF_LIBFDT)
-#include <libfdt.h>
-#include <fdt_support.h>
-#endif
-
-#ifdef CONFIG_LZMA
-#include <lzma/LzmaTypes.h>
-#include <lzma/LzmaDec.h>
-#include <lzma/LzmaTools.h>
-#endif /* CONFIG_LZMA */
-
-#ifdef CONFIG_LZO
-#include <linux/lzo.h>
-#endif /* CONFIG_LZO */
+#include <linux/ctype.h>
+#include <linux/err.h>
+#include <u-boot/zlib.h>
DECLARE_GLOBAL_DATA_PTR;
-#ifndef CONFIG_SYS_BOOTM_LEN
-#define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
-#endif
-
-#ifdef CONFIG_BZIP2
-extern void bz_internal_error(int);
-#endif
-
#if defined(CONFIG_CMD_IMI)
static int image_info(unsigned long addr);
#endif
static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif
-#include <linux/err.h>
-#include <nand.h>
-
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
-static void fixup_silent_linux(void);
-#endif
-
-static image_header_t *image_get_kernel(ulong img_addr, int verify);
-#if defined(CONFIG_FIT)
-static int fit_check_kernel(const void *fit, int os_noffset, int verify);
-#endif
-
-static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[], bootm_headers_t *images,
- ulong *os_data, ulong *os_len);
-
-/*
- * Continue booting an OS image; caller already has:
- * - copied image header to global variable `header'
- * - checked header magic number, checksums (both header & image),
- * - verified image architecture (PPC) and type (KERNEL or MULTI),
- * - loaded (first part of) image to header load address,
- * - disabled interrupts.
- */
-typedef int boot_os_fn(int flag, int argc, char * const argv[],
- bootm_headers_t *images); /* pointers to os/initrd/fdt */
-
-#ifdef CONFIG_BOOTM_LINUX
-extern boot_os_fn do_bootm_linux;
-#endif
-#ifdef CONFIG_BOOTM_NETBSD
-static boot_os_fn do_bootm_netbsd;
-#endif
-#if defined(CONFIG_LYNXKDI)
-static boot_os_fn do_bootm_lynxkdi;
-extern void lynxkdi_boot(image_header_t *);
-#endif
-#ifdef CONFIG_BOOTM_RTEMS
-static boot_os_fn do_bootm_rtems;
-#endif
-#if defined(CONFIG_BOOTM_OSE)
-static boot_os_fn do_bootm_ose;
-#endif
-#if defined(CONFIG_BOOTM_PLAN9)
-static boot_os_fn do_bootm_plan9;
-#endif
-#if defined(CONFIG_CMD_ELF)
-static boot_os_fn do_bootm_vxworks;
-static boot_os_fn do_bootm_qnxelf;
-int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
-int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
-#endif
-#if defined(CONFIG_INTEGRITY)
-static boot_os_fn do_bootm_integrity;
-#endif
-
-static boot_os_fn *boot_os[] = {
-#ifdef CONFIG_BOOTM_LINUX
- [IH_OS_LINUX] = do_bootm_linux,
-#endif
-#ifdef CONFIG_BOOTM_NETBSD
- [IH_OS_NETBSD] = do_bootm_netbsd,
-#endif
-#ifdef CONFIG_LYNXKDI
- [IH_OS_LYNXOS] = do_bootm_lynxkdi,
-#endif
-#ifdef CONFIG_BOOTM_RTEMS
- [IH_OS_RTEMS] = do_bootm_rtems,
-#endif
-#if defined(CONFIG_BOOTM_OSE)
- [IH_OS_OSE] = do_bootm_ose,
-#endif
-#if defined(CONFIG_BOOTM_PLAN9)
- [IH_OS_PLAN9] = do_bootm_plan9,
-#endif
-#if defined(CONFIG_CMD_ELF)
- [IH_OS_VXWORKS] = do_bootm_vxworks,
- [IH_OS_QNX] = do_bootm_qnxelf,
-#endif
-#ifdef CONFIG_INTEGRITY
- [IH_OS_INTEGRITY] = do_bootm_integrity,
-#endif
-};
-
bootm_headers_t images; /* pointers to os/initrd/fdt images */
-/* Allow for arch specific config before we boot */
-static void __arch_preboot_os(void)
-{
- /* please define platform specific arch_preboot_os() */
-}
-void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
-
-#define IH_INITRD_ARCH IH_ARCH_DEFAULT
-
-#ifdef CONFIG_LMB
-static void boot_start_lmb(bootm_headers_t *images)
-{
- ulong mem_start;
- phys_size_t mem_size;
-
- lmb_init(&images->lmb);
-
- mem_start = getenv_bootm_low();
- mem_size = getenv_bootm_size();
-
- lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
-
- arch_lmb_reserve(&images->lmb);
- board_lmb_reserve(&images->lmb);
-}
-#else
-#define lmb_reserve(lmb, base, size)
-static inline void boot_start_lmb(bootm_headers_t *images) { }
-#endif
-
-static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- void *os_hdr;
- int ret;
-
- memset((void *)&images, 0, sizeof(images));
- images.verify = getenv_yesno("verify");
-
- boot_start_lmb(&images);
-
- bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
-
- /* get kernel image header, start address and length */
- os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
- &images, &images.os.image_start, &images.os.image_len);
- if (images.os.image_len == 0) {
- puts("ERROR: can't get kernel image!\n");
- return 1;
- }
-
- /* get image parameters */
- switch (genimg_get_format(os_hdr)) {
- case IMAGE_FORMAT_LEGACY:
- images.os.type = image_get_type(os_hdr);
- images.os.comp = image_get_comp(os_hdr);
- images.os.os = image_get_os(os_hdr);
-
- images.os.end = image_get_image_end(os_hdr);
- images.os.load = image_get_load(os_hdr);
- break;
-#if defined(CONFIG_FIT)
- case IMAGE_FORMAT_FIT:
- if (fit_image_get_type(images.fit_hdr_os,
- images.fit_noffset_os, &images.os.type)) {
- puts("Can't get image type!\n");
- bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
- return 1;
- }
-
- if (fit_image_get_comp(images.fit_hdr_os,
- images.fit_noffset_os, &images.os.comp)) {
- puts("Can't get image compression!\n");
- bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
- return 1;
- }
-
- if (fit_image_get_os(images.fit_hdr_os,
- images.fit_noffset_os, &images.os.os)) {
- puts("Can't get image OS!\n");
- bootstage_error(BOOTSTAGE_ID_FIT_OS);
- return 1;
- }
-
- images.os.end = fit_get_end(images.fit_hdr_os);
-
- if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
- &images.os.load)) {
- puts("Can't get image load address!\n");
- bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
- return 1;
- }
- break;
-#endif
- default:
- puts("ERROR: unknown image format type!\n");
- return 1;
- }
-
- /* find kernel entry point */
- if (images.legacy_hdr_valid) {
- images.ep = image_get_ep(&images.legacy_hdr_os_copy);
-#if defined(CONFIG_FIT)
- } else if (images.fit_uname_os) {
- ret = fit_image_get_entry(images.fit_hdr_os,
- images.fit_noffset_os, &images.ep);
- if (ret) {
- puts("Can't get entry point property!\n");
- return 1;
- }
-#endif
- } else {
- puts("Could not find kernel entry point!\n");
- return 1;
- }
-
- if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
- images.os.load = images.os.image_start;
- images.ep += images.os.load;
- }
-
- if (((images.os.type == IH_TYPE_KERNEL) ||
- (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
- (images.os.type == IH_TYPE_MULTI)) &&
- (images.os.os == IH_OS_LINUX)) {
- /* find ramdisk */
- ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
- &images.rd_start, &images.rd_end);
- if (ret) {
- puts("Ramdisk image is corrupt or invalid\n");
- return 1;
- }
-
-#if defined(CONFIG_OF_LIBFDT)
- /* find flattened device tree */
- ret = boot_get_fdt(flag, argc, argv, &images,
- &images.ft_addr, &images.ft_len);
- if (ret) {
- puts("Could not find a valid device tree\n");
- return 1;
- }
-
- set_working_fdt_addr(images.ft_addr);
-#endif
- }
-
- images.os.start = (ulong)os_hdr;
- images.state = BOOTM_STATE_START;
-
- return 0;
-}
-
-#define BOOTM_ERR_RESET -1
-#define BOOTM_ERR_OVERLAP -2
-#define BOOTM_ERR_UNIMPLEMENTED -3
-static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
-{
- uint8_t comp = os.comp;
- ulong load = os.load;
- ulong blob_start = os.start;
- ulong blob_end = os.end;
- ulong image_start = os.image_start;
- ulong image_len = os.image_len;
- __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
- int no_overlap = 0;
-#if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
- int ret;
-#endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
-
- const char *type_name = genimg_get_type_name(os.type);
-
- switch (comp) {
- case IH_COMP_NONE:
- if (load == blob_start || load == image_start) {
- printf(" XIP %s ... ", type_name);
- no_overlap = 1;
- } else {
- printf(" Loading %s ... ", type_name);
- memmove_wd((void *)load, (void *)image_start,
- image_len, CHUNKSZ);
- }
- *load_end = load + image_len;
- puts("OK\n");
- break;
-#ifdef CONFIG_GZIP
- case IH_COMP_GZIP:
- printf(" Uncompressing %s ... ", type_name);
- if (gunzip((void *)load, unc_len,
- (uchar *)image_start, &image_len) != 0) {
- puts("GUNZIP: uncompress, out-of-mem or overwrite "
- "error - must RESET board to recover\n");
- if (boot_progress)
- bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
- return BOOTM_ERR_RESET;
- }
-
- *load_end = load + image_len;
- break;
-#endif /* CONFIG_GZIP */
-#ifdef CONFIG_BZIP2
- case IH_COMP_BZIP2:
- printf(" Uncompressing %s ... ", type_name);
- /*
- * If we've got less than 4 MB of malloc() space,
- * use slower decompression algorithm which requires
- * at most 2300 KB of memory.
- */
- int i = BZ2_bzBuffToBuffDecompress((char *)load,
- &unc_len, (char *)image_start, image_len,
- CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
- if (i != BZ_OK) {
- printf("BUNZIP2: uncompress or overwrite error %d "
- "- must RESET board to recover\n", i);
- if (boot_progress)
- bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
- return BOOTM_ERR_RESET;
- }
-
- *load_end = load + unc_len;
- break;
-#endif /* CONFIG_BZIP2 */
-#ifdef CONFIG_LZMA
- case IH_COMP_LZMA: {
- SizeT lzma_len = unc_len;
- printf(" Uncompressing %s ... ", type_name);
-
- ret = lzmaBuffToBuffDecompress(
- (unsigned char *)load, &lzma_len,
- (unsigned char *)image_start, image_len);
- unc_len = lzma_len;
- if (ret != SZ_OK) {
- printf("LZMA: uncompress or overwrite error %d "
- "- must RESET board to recover\n", ret);
- bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
- return BOOTM_ERR_RESET;
- }
- *load_end = load + unc_len;
- break;
- }
-#endif /* CONFIG_LZMA */
-#ifdef CONFIG_LZO
- case IH_COMP_LZO:
- printf(" Uncompressing %s ... ", type_name);
-
- ret = lzop_decompress((const unsigned char *)image_start,
- image_len, (unsigned char *)load,
- &unc_len);
- if (ret != LZO_E_OK) {
- printf("LZO: uncompress or overwrite error %d "
- "- must RESET board to recover\n", ret);
- if (boot_progress)
- bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
- return BOOTM_ERR_RESET;
- }
-
- *load_end = load + unc_len;
- break;
-#endif /* CONFIG_LZO */
- default:
- printf("Unimplemented compression type %d\n", comp);
- return BOOTM_ERR_UNIMPLEMENTED;
- }
-
- flush_cache(load, (*load_end - load) * sizeof(ulong));
-
- puts("OK\n");
- debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
- bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
-
- if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
- debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
- blob_start, blob_end);
- debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
- *load_end);
-
- return BOOTM_ERR_OVERLAP;
- }
-
- return 0;
-}
-
-static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
-{
- char *s;
- int (*appl)(int, char * const []);
-
- /* Don't start if "autostart" is set to "no" */
- if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
- setenv_hex("filesize", images.os.image_len);
- return 0;
- }
- appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
- (*appl)(argc-1, &argv[1]);
- return 0;
-}
-
/* 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(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, "", ""),
};
int ret = 0;
long state;
cmd_tbl_t *c;
- boot_os_fn *boot_fn;
- c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
+ c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
+ argc--; argv++;
if (c) {
state = (long)c->cmd;
-
- /* treat start special since it resets the state machine */
- if (state == BOOTM_STATE_START) {
- argc--;
- argv++;
- return bootm_start(cmdtp, flag, argc, argv);
- }
+ if (state == BOOTM_STATE_START)
+ state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
} else {
/* Unrecognized command */
return CMD_RET_USAGE;
}
- if (images.state < BOOTM_STATE_START ||
+ 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;
}
- images.state |= state;
- boot_fn = boot_os[images.os.os];
-
- switch (state) {
- ulong load_end;
- case BOOTM_STATE_START:
- /* should never occur */
- break;
- case BOOTM_STATE_LOADOS:
- ret = bootm_load_os(images.os, &load_end, 0);
- if (ret)
- return ret;
-
- lmb_reserve(&images.lmb, images.os.load,
- (load_end - images.os.load));
- break;
-#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
- case BOOTM_STATE_RAMDISK:
- {
- ulong rd_len = images.rd_end - images.rd_start;
-
- ret = boot_ramdisk_high(&images.lmb, images.rd_start,
- rd_len, &images.initrd_start, &images.initrd_end);
- if (ret)
- return ret;
-
- setenv_hex("initrd_start", images.initrd_start);
- setenv_hex("initrd_end", images.initrd_end);
- }
- break;
-#endif
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
- case BOOTM_STATE_FDT:
- {
- boot_fdt_add_mem_rsv_regions(&images.lmb,
- images.ft_addr);
- ret = boot_relocate_fdt(&images.lmb,
- &images.ft_addr, &images.ft_len);
- break;
- }
-#endif
- case BOOTM_STATE_OS_CMDLINE:
- ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
- if (ret)
- printf("cmdline subcommand not supported\n");
- break;
- case BOOTM_STATE_OS_BD_T:
- ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
- if (ret)
- printf("bdt subcommand not supported\n");
- break;
- case BOOTM_STATE_OS_PREP:
- ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
- if (ret)
- printf("prep subcommand not supported\n");
- break;
- case BOOTM_STATE_OS_GO:
- disable_interrupts();
-#ifdef CONFIG_NETCONSOLE
- /*
- * Stop the ethernet stack if NetConsole could have
- * left it up
- */
- eth_halt();
-#endif
- arch_preboot_os();
- boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
- break;
- }
+ ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
return ret;
}
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- ulong iflag;
- ulong load_end = 0;
- int ret;
- boot_os_fn *boot_fn;
#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;
#endif
/* determine if we have a sub command */
- if (argc > 1) {
+ argc--; argv++;
+ if (argc > 0) {
char *endp;
- simple_strtoul(argv[1], &endp, 16);
- /* endp pointing to NULL means that argv[1] was just a
+ 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
return do_bootm_subcommand(cmdtp, flag, argc, argv);
}
- if (bootm_start(cmdtp, flag, argc, argv))
- return 1;
-
- /*
- * We have reached the point of no return: we are going to
- * overwrite all exception vector code, so we cannot easily
- * recover from any failures any more...
- */
- iflag = disable_interrupts();
-
-#ifdef CONFIG_NETCONSOLE
- /* Stop the ethernet stack if NetConsole could have left it up */
- eth_halt();
+ 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
-
-#if defined(CONFIG_CMD_USB)
- /*
- * turn off USB to prevent the host controller from writing to the
- * SDRAM while Linux is booting. This could happen (at least for OHCI
- * controller), because the HCCA (Host Controller Communication Area)
- * lies within the SDRAM and the host controller writes continously to
- * this area (as busmaster!). The HccaFrameNumber is for example
- * updated every 1 ms within the HCCA structure in SDRAM! For more
- * details see the OpenHCI specification.
- */
- usb_stop();
-#endif
-
- ret = bootm_load_os(images.os, &load_end, 1);
-
- if (ret < 0) {
- if (ret == BOOTM_ERR_RESET)
- do_reset(cmdtp, flag, argc, argv);
- if (ret == BOOTM_ERR_OVERLAP) {
- if (images.legacy_hdr_valid) {
- image_header_t *hdr;
- hdr = &images.legacy_hdr_os_copy;
- if (image_get_type(hdr) == IH_TYPE_MULTI)
- puts("WARNING: legacy format multi "
- "component image "
- "overwritten\n");
- } else {
- puts("ERROR: new format image overwritten - "
- "must RESET the board to recover\n");
- bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
- do_reset(cmdtp, flag, argc, argv);
- }
- }
- if (ret == BOOTM_ERR_UNIMPLEMENTED) {
- if (iflag)
- enable_interrupts();
- bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
- return 1;
- }
- }
-
- lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
-
- if (images.os.type == IH_TYPE_STANDALONE) {
- if (iflag)
- enable_interrupts();
- /* This may return when 'autostart' is 'no' */
- bootm_start_standalone(iflag, argc, argv);
- return 0;
- }
-
- bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);
-
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
- if (images.os.os == IH_OS_LINUX)
- fixup_silent_linux();
-#endif
-
- boot_fn = boot_os[images.os.os];
-
- if (boot_fn == NULL) {
- if (iflag)
- enable_interrupts();
- printf("ERROR: booting os '%s' (%d) is not supported\n",
- genimg_get_os_name(images.os.os), images.os.os);
- bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
- return 1;
- }
-
- arch_preboot_os();
-
- boot_fn(0, argc, argv, &images);
-
- bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
-#ifdef DEBUG
- puts("\n## Control returned to monitor - resetting...\n");
-#endif
- do_reset(cmdtp, flag, argc, argv);
-
- return 1;
+ 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)
return 0;
}
-/**
- * image_get_kernel - verify legacy format kernel image
- * @img_addr: in RAM address of the legacy format image to be verified
- * @verify: data CRC verification flag
- *
- * image_get_kernel() verifies legacy image integrity and returns pointer to
- * legacy image header if image verification was completed successfully.
- *
- * returns:
- * pointer to a legacy image header if valid image was found
- * otherwise return NULL
- */
-static image_header_t *image_get_kernel(ulong img_addr, int verify)
-{
- image_header_t *hdr = (image_header_t *)img_addr;
-
- if (!image_check_magic(hdr)) {
- puts("Bad Magic Number\n");
- bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
- return NULL;
- }
- bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
-
- if (!image_check_hcrc(hdr)) {
- puts("Bad Header Checksum\n");
- bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
- return NULL;
- }
-
- bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
- image_print_contents(hdr);
-
- if (verify) {
- puts(" Verifying Checksum ... ");
- if (!image_check_dcrc(hdr)) {
- printf("Bad Data CRC\n");
- bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
- return NULL;
- }
- puts("OK\n");
- }
- bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
-
- if (!image_check_target_arch(hdr)) {
- printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
- bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
- return NULL;
- }
- return hdr;
-}
-
-/**
- * fit_check_kernel - verify FIT format kernel subimage
- * @fit_hdr: pointer to the FIT image header
- * os_noffset: kernel subimage node offset within FIT image
- * @verify: data CRC verification flag
- *
- * fit_check_kernel() verifies integrity of the kernel subimage and from
- * specified FIT image.
- *
- * returns:
- * 1, on success
- * 0, on failure
- */
-#if defined(CONFIG_FIT)
-static int fit_check_kernel(const void *fit, int os_noffset, int verify)
-{
- fit_image_print(fit, os_noffset, " ");
-
- if (verify) {
- puts(" Verifying Hash Integrity ... ");
- if (!fit_image_verify(fit, os_noffset)) {
- puts("Bad Data Hash\n");
- bootstage_error(BOOTSTAGE_ID_FIT_CHECK_HASH);
- return 0;
- }
- puts("OK\n");
- }
- bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_ARCH);
-
- if (!fit_image_check_target_arch(fit, os_noffset)) {
- puts("Unsupported Architecture\n");
- bootstage_error(BOOTSTAGE_ID_FIT_CHECK_ARCH);
- return 0;
- }
-
- bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
- if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL) &&
- !fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL_NOLOAD)) {
- puts("Not a kernel image\n");
- bootstage_error(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
- return 0;
- }
-
- bootstage_mark(BOOTSTAGE_ID_FIT_CHECKED);
- return 1;
-}
-#endif /* CONFIG_FIT */
-
-/**
- * boot_get_kernel - find kernel image
- * @os_data: pointer to a ulong variable, will hold os data start address
- * @os_len: pointer to a ulong variable, will hold os data length
- *
- * boot_get_kernel() tries to find a kernel image, verifies its integrity
- * and locates kernel data.
- *
- * returns:
- * pointer to image header if valid image was found, plus kernel start
- * address and length, otherwise NULL
- */
-static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[], bootm_headers_t *images, ulong *os_data,
- ulong *os_len)
-{
- image_header_t *hdr;
- ulong img_addr;
-#if defined(CONFIG_FIT)
- void *fit_hdr;
- const char *fit_uname_config = NULL;
- const char *fit_uname_kernel = NULL;
- const void *data;
- size_t len;
- int cfg_noffset;
- int os_noffset;
-#endif
-
- /* find out kernel image address */
- if (argc < 2) {
- img_addr = load_addr;
- debug("* kernel: default image load address = 0x%08lx\n",
- load_addr);
-#if defined(CONFIG_FIT)
- } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
- &fit_uname_config)) {
- debug("* kernel: config '%s' from image at 0x%08lx\n",
- fit_uname_config, img_addr);
- } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
- &fit_uname_kernel)) {
- debug("* kernel: subimage '%s' from image at 0x%08lx\n",
- fit_uname_kernel, img_addr);
-#endif
- } else {
- img_addr = simple_strtoul(argv[1], NULL, 16);
- debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
- }
-
- bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
-
- /* copy from dataflash if needed */
- img_addr = genimg_get_image(img_addr);
-
- /* check image type, for FIT images get FIT kernel node */
- *os_data = *os_len = 0;
- switch (genimg_get_format((void *)img_addr)) {
- case IMAGE_FORMAT_LEGACY:
- printf("## Booting kernel from Legacy Image at %08lx ...\n",
- img_addr);
- hdr = image_get_kernel(img_addr, images->verify);
- if (!hdr)
- return NULL;
- bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
-
- /* get os_data and os_len */
- switch (image_get_type(hdr)) {
- case IH_TYPE_KERNEL:
- case IH_TYPE_KERNEL_NOLOAD:
- *os_data = image_get_data(hdr);
- *os_len = image_get_data_size(hdr);
- break;
- case IH_TYPE_MULTI:
- image_multi_getimg(hdr, 0, os_data, os_len);
- break;
- case IH_TYPE_STANDALONE:
- *os_data = image_get_data(hdr);
- *os_len = image_get_data_size(hdr);
- break;
- default:
- printf("Wrong Image Type for %s command\n",
- cmdtp->name);
- bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
- return NULL;
- }
-
- /*
- * copy image header to allow for image overwrites during
- * kernel decompression.
- */
- memmove(&images->legacy_hdr_os_copy, hdr,
- sizeof(image_header_t));
-
- /* save pointer to image header */
- images->legacy_hdr_os = hdr;
-
- images->legacy_hdr_valid = 1;
- bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
- break;
-#if defined(CONFIG_FIT)
- case IMAGE_FORMAT_FIT:
- fit_hdr = (void *)img_addr;
- printf("## Booting kernel from FIT Image at %08lx ...\n",
- img_addr);
-
- if (!fit_check_format(fit_hdr)) {
- puts("Bad FIT kernel image format!\n");
- bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
- return NULL;
- }
- bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);
-
- if (!fit_uname_kernel) {
- /*
- * no kernel image node unit name, try to get config
- * node first. If config unit node name is NULL
- * fit_conf_get_node() will try to find default config
- * node
- */
- bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
-#ifdef CONFIG_FIT_BEST_MATCH
- if (fit_uname_config)
- cfg_noffset =
- fit_conf_get_node(fit_hdr,
- fit_uname_config);
- else
- cfg_noffset =
- fit_conf_find_compat(fit_hdr,
- gd->fdt_blob);
-#else
- cfg_noffset = fit_conf_get_node(fit_hdr,
- fit_uname_config);
-#endif
- if (cfg_noffset < 0) {
- bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
- return NULL;
- }
- /* save configuration uname provided in the first
- * bootm argument
- */
- images->fit_uname_cfg = fdt_get_name(fit_hdr,
- cfg_noffset,
- NULL);
- printf(" Using '%s' configuration\n",
- images->fit_uname_cfg);
- bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
-
- os_noffset = fit_conf_get_kernel_node(fit_hdr,
- cfg_noffset);
- fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
- NULL);
- } else {
- /* get kernel component image node offset */
- bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
- os_noffset = fit_image_get_node(fit_hdr,
- fit_uname_kernel);
- }
- if (os_noffset < 0) {
- bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
- return NULL;
- }
-
- printf(" Trying '%s' kernel subimage\n", fit_uname_kernel);
-
- bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
- if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
- return NULL;
-
- /* get kernel image data address and length */
- if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
- puts("Could not find kernel subimage data!\n");
- bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
- return NULL;
- }
- bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);
-
- *os_len = len;
- *os_data = (ulong)data;
- images->fit_hdr_os = fit_hdr;
- images->fit_uname_os = fit_uname_kernel;
- images->fit_noffset_os = os_noffset;
- break;
-#endif
- default:
- printf("Wrong Image Format for %s command\n", cmdtp->name);
- bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
- return NULL;
- }
-
- debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
- *os_data, *os_len, *os_len);
-
- return (void *)img_addr;
-}
-
#ifdef CONFIG_SYS_LONGHELP
static char bootm_help_text[] =
"[addr [arg ...]]\n - boot application image stored in memory\n"
"\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
#if defined(CONFIG_CMD_BOOTD)
int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- int rcode = 0;
-
- if (run_command(getenv("bootcmd"), flag) < 0)
- rcode = 1;
- return rcode;
+ return run_command(getenv("bootcmd"), flag);
}
U_BOOT_CMD(
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("OK\n");
return 0;
+#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
puts(" FIT image found\n");
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;
puts("OK\n");
}
break;
+#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (!fit_check_format(hdr))
}
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);
);
#endif
-/*******************************************************************/
-/* helper routines */
-/*******************************************************************/
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
-static void fixup_silent_linux(void)
-{
- char buf[256], *start, *end;
- char *cmdline = getenv("bootargs");
-
- /* Only fix cmdline when requested */
- if (!(gd->flags & GD_FLG_SILENT))
- return;
-
- debug("before silent fix-up: %s\n", cmdline);
- if (cmdline) {
- start = strstr(cmdline, "console=");
- if (start) {
- end = strchr(start, ' ');
- strncpy(buf, cmdline, (start - cmdline + 8));
- if (end)
- strcpy(buf + (start - cmdline + 8), end);
- else
- buf[start - cmdline + 8] = '\0';
- } else {
- strcpy(buf, cmdline);
- strcat(buf, " console=");
- }
- } else {
- strcpy(buf, "console=");
- }
-
- setenv("bootargs", buf);
- debug("after silent fix-up: %s\n", buf);
-}
-#endif /* CONFIG_SILENT_CONSOLE */
-
-
-/*******************************************************************/
-/* OS booting routines */
-/*******************************************************************/
+#ifdef CONFIG_CMD_BOOTZ
-#ifdef CONFIG_BOOTM_NETBSD
-static int do_bootm_netbsd(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
+int __weak bootz_setup(ulong image, ulong *start, ulong *end)
{
- void (*loader)(bd_t *, image_header_t *, char *, char *);
- image_header_t *os_hdr, *hdr;
- ulong kernel_data, kernel_len;
- char *consdev;
- char *cmdline;
-
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
-
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("NetBSD");
- return 1;
- }
-#endif
- hdr = images->legacy_hdr_os;
-
- /*
- * Booting a (NetBSD) kernel image
- *
- * This process is pretty similar to a standalone application:
- * The (first part of an multi-) image must be a stage-2 loader,
- * which in turn is responsible for loading & invoking the actual
- * kernel. The only differences are the parameters being passed:
- * besides the board info strucure, the loader expects a command
- * line, the name of the console device, and (optionally) the
- * address of the original image header.
- */
- os_hdr = NULL;
- if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
- image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
- if (kernel_len)
- os_hdr = hdr;
- }
-
- consdev = "";
-#if defined(CONFIG_8xx_CONS_SMC1)
- consdev = "smc1";
-#elif defined(CONFIG_8xx_CONS_SMC2)
- consdev = "smc2";
-#elif defined(CONFIG_8xx_CONS_SCC2)
- consdev = "scc2";
-#elif defined(CONFIG_8xx_CONS_SCC3)
- consdev = "scc3";
-#endif
-
- if (argc > 2) {
- ulong len;
- int i;
-
- for (i = 2, len = 0; i < argc; i += 1)
- len += strlen(argv[i]) + 1;
- cmdline = malloc(len);
-
- for (i = 2, len = 0; i < argc; i += 1) {
- if (i > 2)
- cmdline[len++] = ' ';
- strcpy(&cmdline[len], argv[i]);
- len += strlen(argv[i]);
- }
- } else if ((cmdline = getenv("bootargs")) == NULL) {
- cmdline = "";
- }
-
- loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
-
- printf("## Transferring control to NetBSD stage-2 loader "
- "(at address %08lx) ...\n",
- (ulong)loader);
-
- bootstage_mark(BOOTSTAGE_ID_RUN_OS);
-
- /*
- * NetBSD Stage-2 Loader Parameters:
- * r3: ptr to board info data
- * r4: image address
- * r5: console device
- * r6: boot args string
- */
- (*loader)(gd->bd, os_hdr, consdev, cmdline);
+ /* Please define bootz_setup() for your platform */
- return 1;
+ puts("Your platform's zImage format isn't supported yet!\n");
+ return -1;
}
-#endif /* CONFIG_BOOTM_NETBSD*/
-#ifdef CONFIG_LYNXKDI
-static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
+/*
+ * zImage booting support
+ */
+static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[], bootm_headers_t *images)
{
- image_header_t *hdr = &images->legacy_hdr_os_copy;
+ int ret;
+ ulong zi_start, zi_end;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
+ images, 1);
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("Lynx");
- return 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);
}
-#endif
-
- lynxkdi_boot((image_header_t *)hdr);
-
- return 1;
-}
-#endif /* CONFIG_LYNXKDI */
-
-#ifdef CONFIG_BOOTM_RTEMS
-static int do_bootm_rtems(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
-{
- void (*entry_point)(bd_t *);
-
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("RTEMS");
+ ret = bootz_setup(images->ep, &zi_start, &zi_end);
+ if (ret != 0)
return 1;
- }
-#endif
-
- entry_point = (void (*)(bd_t *))images->ep;
- printf("## Transferring control to RTEMS (at address %08lx) ...\n",
- (ulong)entry_point);
-
- bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+ lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
/*
- * RTEMS Parameters:
- * r3: ptr to board info data
+ * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
+ * have a header that provide this informaiton.
*/
- (*entry_point)(gd->bd);
-
- return 1;
-}
-#endif /* CONFIG_BOOTM_RTEMS */
-
-#if defined(CONFIG_BOOTM_OSE)
-static int do_bootm_ose(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
-{
- void (*entry_point)(void);
-
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
-
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("OSE");
+ if (bootm_find_images(flag, argc, argv))
return 1;
- }
-#endif
-
- entry_point = (void (*)(void))images->ep;
-
- printf("## Transferring control to OSE (at address %08lx) ...\n",
- (ulong)entry_point);
- bootstage_mark(BOOTSTAGE_ID_RUN_OS);
-
- /*
- * OSE Parameters:
- * None
- */
- (*entry_point)();
-
- return 1;
+ return 0;
}
-#endif /* CONFIG_BOOTM_OSE */
-#if defined(CONFIG_BOOTM_PLAN9)
-static int do_bootm_plan9(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
+int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- void (*entry_point)(void);
+ int ret;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ /* Consume 'bootz' */
+ argc--; argv++;
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("Plan 9");
+ if (bootz_start(cmdtp, flag, argc, argv, &images))
return 1;
- }
-#endif
-
- entry_point = (void (*)(void))images->ep;
-
- printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
- (ulong)entry_point);
-
- bootstage_mark(BOOTSTAGE_ID_RUN_OS);
/*
- * Plan 9 Parameters:
- * None
+ * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
+ * disable interrupts ourselves
*/
- (*entry_point)();
-
- return 1;
-}
-#endif /* CONFIG_BOOTM_PLAN9 */
-
-#if defined(CONFIG_CMD_ELF)
-static int do_bootm_vxworks(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
-{
- char str[80];
-
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
-
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("VxWorks");
- return 1;
- }
-#endif
+ bootm_disable_interrupts();
- sprintf(str, "%lx", images->ep); /* write entry-point into string */
- setenv("loadaddr", str);
- do_bootvx(NULL, 0, 0, NULL);
+ 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 1;
+ return ret;
}
-static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
-{
- char *local_args[2];
- char str[16];
-
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
-
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("QNX");
- return 1;
- }
+#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
- sprintf(str, "%lx", images->ep); /* write entry-point into string */
- local_args[0] = argv[0];
- local_args[1] = str; /* and provide it via the arguments */
- do_bootelf(NULL, 0, 2, local_args);
+U_BOOT_CMD(
+ bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
+ "boot Linux zImage image from memory", bootz_help_text
+);
+#endif /* CONFIG_CMD_BOOTZ */
- return 1;
-}
-#endif
+#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;
+};
-#ifdef CONFIG_INTEGRITY
-static int do_bootm_integrity(int flag, int argc, char * const argv[],
- bootm_headers_t *images)
+#define LINUX_ARM64_IMAGE_MAGIC 0x644d5241
+
+static int booti_setup(bootm_headers_t *images)
{
- void (*entry_point)(void);
+ struct Image_header *ih;
+ uint64_t dst;
- if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
- return 1;
+ ih = (struct Image_header *)map_sysmem(images->ep, 0);
-#if defined(CONFIG_FIT)
- if (!images->legacy_hdr_valid) {
- fit_unsupported_reset("INTEGRITY");
+ if (ih->magic != le32_to_cpu(LINUX_ARM64_IMAGE_MAGIC)) {
+ puts("Bad Linux ARM64 Image magic!\n");
return 1;
}
-#endif
-
- entry_point = (void (*)(void))images->ep;
-
- printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
- (ulong)entry_point);
-
- bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+ if (ih->image_size == 0) {
+ puts("Image lacks image_size field, assuming 16MiB\n");
+ ih->image_size = (16 << 20);
+ }
/*
- * INTEGRITY Parameters:
- * None
+ * If we are not at the correct run-time location, set the new
+ * correct location and then move the image there.
*/
- (*entry_point)();
+ dst = gd->bd->bi_dram[0].start + le32_to_cpu(ih->text_offset);
+ if (images->ep != dst) {
+ void *src;
- return 1;
-}
-#endif
-
-#ifdef CONFIG_CMD_BOOTZ
+ debug("Moving Image from 0x%lx to 0x%llx\n", images->ep, dst);
-static int __bootz_setup(void *image, void **start, void **end)
-{
- /* Please define bootz_setup() for your platform */
+ src = (void *)images->ep;
+ images->ep = dst;
+ memmove((void *)dst, src, le32_to_cpu(ih->image_size));
+ }
- puts("Your platform's zImage format isn't supported yet!\n");
- return -1;
+ return 0;
}
-int bootz_setup(void *image, void **start, void **end)
- __attribute__((weak, alias("__bootz_setup")));
/*
- * zImage booting support
+ * Image booting support
*/
-static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
+static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images)
{
int ret;
- void *zi_start, *zi_end;
-
- memset(images, 0, sizeof(bootm_headers_t));
+ struct Image_header *ih;
- boot_start_lmb(images);
+ ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
+ images, 1);
- /* Setup Linux kernel zImage entry point */
- if (argc < 2) {
+ /* 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[1], NULL, 16);
+ images->ep = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n",
images->ep);
}
- ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
+ ret = booti_setup(images);
if (ret != 0)
return 1;
- lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
+ ih = (struct Image_header *)map_sysmem(images->ep, 0);
- /* Find ramdisk */
- ret = boot_get_ramdisk(argc, argv, images, IH_INITRD_ARCH,
- &images->rd_start, &images->rd_end);
- if (ret) {
- puts("Ramdisk image is corrupt or invalid\n");
- return 1;
- }
+ lmb_reserve(&images->lmb, images->ep, le32_to_cpu(ih->image_size));
-#if defined(CONFIG_OF_LIBFDT)
- /* find flattened device tree */
- ret = boot_get_fdt(flag, argc, argv, images,
- &images->ft_addr, &images->ft_len);
- if (ret) {
- puts("Could not find a valid device tree\n");
+ /*
+ * 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;
- }
-
- set_working_fdt_addr(images->ft_addr);
-#endif
return 0;
}
-static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_booti(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;
+ /* Consume 'booti' */
+ argc--; argv++;
- /*
- * We have reached the point of no return: we are going to
- * overwrite all exception vector code, so we cannot easily
- * recover from any failures any more...
- */
- disable_interrupts();
-
-#ifdef CONFIG_NETCONSOLE
- /* Stop the ethernet stack if NetConsole could have left it up */
- eth_halt();
-#endif
+ if (booti_start(cmdtp, flag, argc, argv, &images))
+ return 1;
-#if defined(CONFIG_CMD_USB)
/*
- * turn off USB to prevent the host controller from writing to the
- * SDRAM while Linux is booting. This could happen (at least for OHCI
- * controller), because the HCCA (Host Controller Communication Area)
- * lies within the SDRAM and the host controller writes continously to
- * this area (as busmaster!). The HccaFrameNumber is for example
- * updated every 1 ms within the HCCA structure in SDRAM! For more
- * details see the OpenHCI specification.
+ * We are doing the BOOTM_STATE_LOADOS state ourselves, so must
+ * disable interrupts ourselves
*/
- usb_stop();
-#endif
-
-#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
- fixup_silent_linux();
-#endif
- arch_preboot_os();
+ bootm_disable_interrupts();
- do_bootm_linux(0, argc, argv, &images);
-#ifdef DEBUG
- puts("\n## Control returned to monitor - resetting...\n");
-#endif
- do_reset(cmdtp, flag, argc, argv);
+ 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 1;
+ return ret;
}
#ifdef CONFIG_SYS_LONGHELP
-static char bootz_help_text[] =
+static char booti_help_text[] =
"[addr [initrd[:size]] [fdt]]\n"
- " - boot Linux zImage stored in memory\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)
- "\tWhen booting a Linux kernel which requires a flat device-tree\n"
+ "\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. If you do not pass a third\n"
- "\ta bd_info struct will be passed instead\n"
+ "\tuse a '-' for the second argument.\n"
#endif
"";
#endif
U_BOOT_CMD(
- bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
- "boot Linux zImage image from memory", bootz_help_text
+ booti, CONFIG_SYS_MAXARGS, 1, do_booti,
+ "boot arm64 Linux Image image from memory", booti_help_text
);
-#endif /* CONFIG_CMD_BOOTZ */
+#endif /* CONFIG_CMD_BOOTI */