/*
- * (C) Copyright 2000-2006
+ * (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* MA 02111-1307 USA
*/
-#define DEBUG
/*
* Boot support
#include <command.h>
#include <image.h>
#include <malloc.h>
-#include <zlib.h>
+#include <u-boot/zlib.h>
#include <bzlib.h>
#include <environment.h>
+#include <lmb.h>
+#include <linux/ctype.h>
#include <asm/byteorder.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 <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
#endif
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-#endif
-DECLARE_GLOBAL_DATA_PTR;
-
-/*cmd_boot.c*/
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#ifdef CONFIG_LZMA
+#include <lzma/LzmaTypes.h>
+#include <lzma/LzmaDec.h>
+#include <lzma/LzmaTools.h>
+#endif /* CONFIG_LZMA */
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
-#include <rtc.h>
-#endif
+DECLARE_GLOBAL_DATA_PTR;
-#ifdef CFG_HUSH_PARSER
-#include <hush.h>
+extern int gunzip (void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
+#ifndef CONFIG_SYS_BOOTM_LEN
+#define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
#endif
-#ifdef CONFIG_HAS_DATAFLASH
-#include <dataflash.h>
+#ifdef CONFIG_BZIP2
+extern void bz_internal_error(int);
#endif
-/*
- * Some systems (for example LWMON) have very short watchdog periods;
- * we must make sure to split long operations like memmove() or
- * crc32() into reasonable chunks.
- */
-#define CHUNKSZ (64 * 1024)
-
-int gunzip (void *, int, unsigned char *, unsigned long *);
-
-static void *zalloc(void *, unsigned, unsigned);
-static void zfree(void *, void *, unsigned);
-
#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 *argv[]);
#endif
-static void print_type (image_header_t *hdr);
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux (void);
+#endif
-#ifdef __I386__
-image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
+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 *argv[],
+ bootm_headers_t *images, ulong *os_data, ulong *os_len);
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
/*
* Continue booting an OS image; caller already has:
* - copied image header to global variable `header'
* - loaded (first part of) image to header load address,
* - disabled interrupts.
*/
-typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr, /* of image to boot */
- ulong *len_ptr, /* multi-file image length table */
- int verify); /* getenv("verify")[0] != 'n' */
+typedef int boot_os_fn (int flag, int argc, char *argv[],
+ bootm_headers_t *images); /* pointers to os/initrd/fdt */
-extern boot_os_Fcn do_bootm_linux;
+#define CONFIG_BOOTM_LINUX 1
+#define CONFIG_BOOTM_NETBSD 1
+#define CONFIG_BOOTM_RTEMS 1
-#ifdef CONFIG_SILENT_CONSOLE
-static void fixup_silent_linux (void);
+#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
-static boot_os_Fcn do_bootm_netbsd;
-static boot_os_Fcn do_bootm_rtems;
#if defined(CONFIG_CMD_ELF)
-static boot_os_Fcn do_bootm_vxworks;
-static boot_os_Fcn do_bootm_qnxelf;
-int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
-int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
+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 *argv[]);
+int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
+#if defined(CONFIG_INTEGRITY)
+static boot_os_fn do_bootm_integrity;
+#endif
+
+boot_os_fn * boot_os[] = {
+#ifdef CONFIG_BOOTM_LINUX
+ [IH_OS_LINUX] = do_bootm_linux,
#endif
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-static boot_os_Fcn do_bootm_artos;
+#ifdef CONFIG_BOOTM_NETBSD
+ [IH_OS_NETBSD] = do_bootm_netbsd,
#endif
#ifdef CONFIG_LYNXKDI
-static boot_os_Fcn do_bootm_lynxkdi;
-extern void lynxkdi_boot( image_header_t * );
+ [IH_OS_LYNXOS] = do_bootm_lynxkdi,
#endif
-
-#ifndef CFG_BOOTM_LEN
-#define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
+#ifdef CONFIG_BOOTM_RTEMS
+ [IH_OS_RTEMS] = do_bootm_rtems,
+#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
+};
-image_header_t header;
+ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
+static bootm_headers_t images; /* pointers to os/initrd/fdt images */
-ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
+void __board_lmb_reserve(struct lmb *lmb)
+{
+ /* please define platform specific board_lmb_reserve() */
+}
+void board_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__board_lmb_reserve")));
-int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+void __arch_lmb_reserve(struct lmb *lmb)
{
- ulong iflag;
- ulong addr;
- ulong data, len;
- ulong *len_ptr;
- uint unc_len = CFG_BOOTM_LEN;
- int i, verify;
- char *name, *s;
- int (*appl)(int, char *[]);
- image_header_t *hdr = &header;
+ /* please define platform specific arch_lmb_reserve() */
+}
+void arch_lmb_reserve(struct lmb *lmb) __attribute__((weak, alias("__arch_lmb_reserve")));
- verify = getenv_verify ();
+/* Allow for arch specific config before we boot */
+void __arch_preboot_os(void)
+{
+ /* please define platform specific arch_preboot_os() */
+}
+void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
+
+#if defined(__ARM__)
+ #define IH_INITRD_ARCH IH_ARCH_ARM
+#elif defined(__avr32__)
+ #define IH_INITRD_ARCH IH_ARCH_AVR32
+#elif defined(__bfin__)
+ #define IH_INITRD_ARCH IH_ARCH_BLACKFIN
+#elif defined(__I386__)
+ #define IH_INITRD_ARCH IH_ARCH_I386
+#elif defined(__M68K__)
+ #define IH_INITRD_ARCH IH_ARCH_M68K
+#elif defined(__microblaze__)
+ #define IH_INITRD_ARCH IH_ARCH_MICROBLAZE
+#elif defined(__mips__)
+ #define IH_INITRD_ARCH IH_ARCH_MIPS
+#elif defined(__nios__)
+ #define IH_INITRD_ARCH IH_ARCH_NIOS
+#elif defined(__nios2__)
+ #define IH_INITRD_ARCH IH_ARCH_NIOS2
+#elif defined(__PPC__)
+ #define IH_INITRD_ARCH IH_ARCH_PPC
+#elif defined(__sh__)
+ #define IH_INITRD_ARCH IH_ARCH_SH
+#elif defined(__sparc__)
+ #define IH_INITRD_ARCH IH_ARCH_SPARC
+#else
+# error Unknown CPU type
+#endif
- if (argc < 2) {
- addr = load_addr;
- } else {
- addr = simple_strtoul(argv[1], NULL, 16);
- }
+static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong mem_start;
+ phys_size_t mem_size;
+ void *os_hdr;
+ int ret;
- show_boot_progress (1);
- printf ("## Booting image at %08lx ...\n", addr);
-
- /* Copy header so we can blank CRC field for re-calculation */
-#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash(addr)){
- read_dataflash (addr, image_get_header_size (), (char *)&header);
- } else
-#endif
- memmove (&header, (char *)addr, image_get_header_size ());
-
- if (!image_check_magic (hdr)) {
-#ifdef __I386__ /* correct image format not implemented yet - fake it */
- if (fake_header(hdr, (void*)addr, -1) != NULL) {
- /* to compensate for the addition below */
- addr -= image_get_header_size ();
- /* turnof verify,
- * fake_header() does not fake the data crc
- */
- verify = 0;
- } else
-#endif /* __I386__ */
- {
- puts ("Bad Magic Number\n");
- show_boot_progress (-1);
- return 1;
- }
- }
- show_boot_progress (2);
+ memset ((void *)&images, 0, sizeof (images));
+ images.verify = getenv_yesno ("verify");
- if (!image_check_hcrc (hdr)) {
- puts ("Bad Header Checksum\n");
- show_boot_progress (-2);
+ 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);
+
+ /* 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;
}
- show_boot_progress (3);
-#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash(addr)){
- len = image_get_image_size (hdr);
- read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
- addr = CFG_LOAD_ADDR;
- }
-#endif
+ /* 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");
+ show_boot_progress (-109);
+ return 1;
+ }
- /* for multi-file images we need the data part, too */
- print_image_hdr ((image_header_t *)addr);
+ if (fit_image_get_comp (images.fit_hdr_os,
+ images.fit_noffset_os, &images.os.comp)) {
+ puts ("Can't get image compression!\n");
+ show_boot_progress (-110);
+ return 1;
+ }
- len = image_get_data_size (hdr);
- data = addr + image_get_header_size ();
- len_ptr = (ulong *)data;
+ if (fit_image_get_os (images.fit_hdr_os,
+ images.fit_noffset_os, &images.os.os)) {
+ puts ("Can't get image OS!\n");
+ show_boot_progress (-111);
+ return 1;
+ }
- if (verify) {
- puts (" Verifying Checksum ... ");
- if (!image_check_dcrc ((image_header_t *)addr)) {
- printf ("Bad Data CRC\n");
- show_boot_progress (-3);
+ 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");
+ show_boot_progress (-112);
return 1;
}
- puts ("OK\n");
+ break;
+#endif
+ default:
+ puts ("ERROR: unknown image format type!\n");
+ return 1;
}
- show_boot_progress (4);
- if (!image_check_target_arch (hdr)) {
- printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
- show_boot_progress (-4);
+ /* 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;
}
- show_boot_progress (5);
- switch (image_get_type (hdr)) {
- case IH_TYPE_STANDALONE:
- name = "Standalone Application";
- /* A second argument overwrites the load address */
- if (argc > 2) {
- image_set_load (hdr, simple_strtoul (argv[2], NULL, 16));
+ if (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)
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
+ /* 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
+#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;
+ uint unc_len = CONFIG_SYS_BOOTM_LEN;
+
+ const char *type_name = genimg_get_type_name (os.type);
+
+ switch (comp) {
+ case IH_COMP_NONE:
+ if (load == blob_start) {
+ printf (" XIP %s ... ", type_name);
+ } else {
+ printf (" Loading %s ... ", type_name);
+
+ if (load != image_start) {
+ memmove_wd ((void *)load,
+ (void *)image_start, image_len, CHUNKSZ);
+ }
+ }
+ *load_end = load + image_len;
+ puts("OK\n");
break;
- case IH_TYPE_KERNEL:
- name = "Kernel Image";
+ 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)
+ show_boot_progress (-6);
+ return BOOTM_ERR_RESET;
+ }
+
+ *load_end = load + image_len;
break;
- case IH_TYPE_MULTI:
- name = "Multi-File Image";
- len = image_to_cpu (len_ptr[0]);
- /* OS kernel is always the first image */
- data += 8; /* kernel_len + terminator */
- for (i=1; len_ptr[i]; ++i)
- data += 4;
+#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)
+ show_boot_progress (-6);
+ return BOOTM_ERR_RESET;
+ }
+
+ *load_end = load + unc_len;
break;
- default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
- show_boot_progress (-5);
+#endif /* CONFIG_BZIP2 */
+#ifdef CONFIG_LZMA
+ case IH_COMP_LZMA:
+ printf (" Uncompressing %s ... ", type_name);
+
+ int ret = lzmaBuffToBuffDecompress(
+ (unsigned char *)load, &unc_len,
+ (unsigned char *)image_start, image_len);
+ if (ret != SZ_OK) {
+ printf ("LZMA: uncompress or overwrite error %d "
+ "- must RESET board to recover\n", ret);
+ show_boot_progress (-6);
+ return BOOTM_ERR_RESET;
+ }
+ *load_end = load + unc_len;
+ break;
+#endif /* CONFIG_LZMA */
+ default:
+ printf ("Unimplemented compression type %d\n", comp);
+ return BOOTM_ERR_UNIMPLEMENTED;
+ }
+ puts ("OK\n");
+ debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
+ if (boot_progress)
+ show_boot_progress (7);
+
+ if ((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 *argv[])
+{
+ char *s;
+ int (*appl)(int, char *[]);
+
+ /* Don't start if "autostart" is set to "no" */
+ if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
+ char buf[32];
+ sprintf(buf, "%lX", images.os.image_len);
+ setenv("filesize", buf);
+ return 0;
+ }
+ appl = (int (*)(int, char *[]))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 */
+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, "", ""),
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
+ 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(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
+ U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
+ U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
+ U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
+};
+
+int do_bootm_subcommand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int ret = 0;
+ int 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));
+
+ if (c) {
+ state = (int)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);
+ }
+ }
+ /* Unrecognized command */
+ else {
+ cmd_usage(cmdtp);
+ return 1;
+ }
+
+ if (images.state >= state) {
+ printf ("Trying to execute a command out of order\n");
+ cmd_usage(cmdtp);
return 1;
}
- show_boot_progress (6);
+
+ 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;
+#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
+ case BOOTM_STATE_RAMDISK:
+ {
+ ulong rd_len = images.rd_end - images.rd_start;
+ char str[17];
+
+ ret = boot_ramdisk_high(&images.lmb, images.rd_start,
+ rd_len, &images.initrd_start, &images.initrd_end);
+ if (ret)
+ return ret;
+
+ sprintf(str, "%lx", images.initrd_start);
+ setenv("initrd_start", str);
+ sprintf(str, "%lx", images.initrd_end);
+ setenv("initrd_end", str);
+ }
+ break;
+#endif
+#ifdef CONFIG_OF_LIBFDT
+ case BOOTM_STATE_FDT:
+ {
+ ulong bootmap_base = getenv_bootm_low();
+ ret = boot_relocate_fdt(&images.lmb, bootmap_base,
+ &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();
+ arch_preboot_os();
+ boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
+ break;
+ }
+
+ return ret;
+}
+
+/*******************************************************************/
+/* bootm - boot application image from image in memory */
+/*******************************************************************/
+static int relocated = 0;
+
+int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong iflag;
+ ulong load_end = 0;
+ int ret;
+ boot_os_fn *boot_fn;
+
+ /* relocate boot function table */
+ if (!relocated) {
+ int i;
+ for (i = 0; i < ARRAY_SIZE(boot_os); i++)
+ if (boot_os[i] != NULL)
+ boot_os[i] += gd->reloc_off;
+ relocated = 1;
+ }
+
+ /* determine if we have a sub command */
+ if (argc > 1) {
+ char *endp;
+
+ simple_strtoul(argv[1], &endp, 16);
+ /* endp pointing to NULL means that argv[1] 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);
+ }
+
+ 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();
+#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
+
#ifdef CONFIG_AMIGAONEG3SE
/*
* We've possible left the caches enabled during
* bios emulation, so turn them off again
*/
icache_disable();
- invalidate_l1_instruction_cache();
- flush_data_cache();
dcache_disable();
#endif
- switch (image_get_comp (hdr)) {
- case IH_COMP_NONE:
- if (image_get_load (hdr) == addr) {
- printf (" XIP %s ... ", name);
- } else {
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
- size_t l = len;
- void *to = (void *)image_get_load (hdr);
- void *from = (void *)data;
-
- printf (" Loading %s ... ", name);
-
- while (l > 0) {
- size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
- WATCHDOG_RESET();
- memmove (to, from, tail);
- to += tail;
- from += tail;
- l -= tail;
+ 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) {
+ if (image_get_type (&images.legacy_hdr_os_copy) == 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");
+ show_boot_progress (-113);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+ }
+ if (ret == BOOTM_ERR_UNIMPLEMENTED) {
+ if (iflag)
+ enable_interrupts();
+ show_boot_progress (-7);
+ 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;
+ }
+
+ show_boot_progress (8);
+
+#ifdef CONFIG_SILENT_CONSOLE
+ 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);
+ show_boot_progress (-8);
+ return 1;
+ }
+
+ arch_preboot_os();
+
+ boot_fn(0, argc, argv, &images);
+
+ show_boot_progress (-9);
+#ifdef DEBUG
+ puts ("\n## Control returned to monitor - resetting...\n");
+#endif
+ do_reset (cmdtp, flag, argc, argv);
+
+ return 1;
+}
+
+/**
+ * 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");
+ show_boot_progress (-1);
+ return NULL;
+ }
+ show_boot_progress (2);
+
+ if (!image_check_hcrc (hdr)) {
+ puts ("Bad Header Checksum\n");
+ show_boot_progress (-2);
+ return NULL;
+ }
+
+ show_boot_progress (3);
+ image_print_contents (hdr);
+
+ if (verify) {
+ puts (" Verifying Checksum ... ");
+ if (!image_check_dcrc (hdr)) {
+ printf ("Bad Data CRC\n");
+ show_boot_progress (-3);
+ return NULL;
+ }
+ puts ("OK\n");
+ }
+ show_boot_progress (4);
+
+ if (!image_check_target_arch (hdr)) {
+ printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
+ show_boot_progress (-4);
+ 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_check_hashes (fit, os_noffset)) {
+ puts ("Bad Data Hash\n");
+ show_boot_progress (-104);
+ return 0;
+ }
+ puts ("OK\n");
+ }
+ show_boot_progress (105);
+
+ if (!fit_image_check_target_arch (fit, os_noffset)) {
+ puts ("Unsupported Architecture\n");
+ show_boot_progress (-105);
+ return 0;
+ }
+
+ show_boot_progress (106);
+ if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
+ puts ("Not a kernel image\n");
+ show_boot_progress (-106);
+ return 0;
+ }
+
+ show_boot_progress (107);
+ 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 *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);
+ }
+
+ show_boot_progress (1);
+
+ /* 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;
+ show_boot_progress (5);
+
+ /* get os_data and os_len */
+ switch (image_get_type (hdr)) {
+ case IH_TYPE_KERNEL:
+ *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:
+ if (argc >2) {
+ hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
}
-#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
- memmove ((void *)image_get_load (hdr), (uchar *)data, len);
-#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+ *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);
+ show_boot_progress (-5);
+ 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;
+ show_boot_progress (6);
break;
- case IH_COMP_GZIP:
- printf (" Uncompressing %s ... ", name);
- if (gunzip ((void *)image_get_load (hdr), unc_len,
- (uchar *)data, &len) != 0) {
- puts ("GUNZIP ERROR - must RESET board to recover\n");
- show_boot_progress (-6);
- do_reset (cmdtp, flag, argc, argv);
+#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");
+ show_boot_progress (-100);
+ return NULL;
+ }
+ show_boot_progress (100);
+
+ 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
+ */
+ show_boot_progress (101);
+ cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
+ if (cfg_noffset < 0) {
+ show_boot_progress (-101);
+ 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);
+ show_boot_progress (103);
+
+ 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 */
+ show_boot_progress (102);
+ os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
+ }
+ if (os_noffset < 0) {
+ show_boot_progress (-103);
+ return NULL;
+ }
+
+ printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
+
+ show_boot_progress (104);
+ 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");
+ show_boot_progress (-107);
+ return NULL;
+ }
+ show_boot_progress (108);
+
+ *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);
+ show_boot_progress (-108);
+ return NULL;
+ }
+
+ debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
+ *os_data, *os_len, *os_len);
+
+ return (void *)img_addr;
+}
+
+U_BOOT_CMD(
+ bootm, CONFIG_SYS_MAXARGS, 1, do_bootm,
+ "boot application image from memory",
+ "[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_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
+ "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
+#endif
+#if defined(CONFIG_OF_LIBFDT)
+ "\tfdt - relocate flat device tree\n"
+#endif
+ "\tbdt - OS specific bd_t processing\n"
+ "\tcmdline - OS specific command line processing/setup\n"
+ "\tprep - OS specific prep before relocation or go\n"
+ "\tgo - start OS"
+);
+
+/*******************************************************************/
+/* bootd - boot default image */
+/*******************************************************************/
+#if defined(CONFIG_CMD_BOOTD)
+int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int rcode = 0;
+
+#ifndef CONFIG_SYS_HUSH_PARSER
+ if (run_command (getenv ("bootcmd"), flag) < 0)
+ rcode = 1;
+#else
+ if (parse_string_outer (getenv ("bootcmd"),
+ FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
+ rcode = 1;
+#endif
+ return rcode;
+}
+
+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)
+int do_iminfo (cmd_tbl_t *cmdtp, int flag, int argc, char *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)) {
+ 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;
}
- break;
-#ifdef CONFIG_BZIP2
- case IH_COMP_BZIP2:
- printf (" Uncompressing %s ... ", name);
- /*
- * If we've got less than 4 MB of malloc() space,
- * use slower decompression algorithm which requires
- * at most 2300 KB of memory.
- */
- i = BZ2_bzBuffToBuffDecompress ((char*)image_get_load (hdr),
- &unc_len, (char *)data, len,
- CFG_MALLOC_LEN < (4096 * 1024), 0);
- if (i != BZ_OK) {
- printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
- show_boot_progress (-6);
- do_reset (cmdtp, flag, argc, argv);
+ puts ("OK\n");
+ return 0;
+#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;
}
- break;
-#endif /* CONFIG_BZIP2 */
- default:
- if (iflag)
- enable_interrupts();
- printf ("Unimplemented compression type %d\n", image_get_comp (hdr));
- show_boot_progress (-7);
- return 1;
- }
- puts ("OK\n");
- show_boot_progress (7);
- switch (image_get_type (hdr)) {
- case IH_TYPE_STANDALONE:
- if (iflag)
- enable_interrupts();
+ fit_print_contents (hdr);
- /* load (and uncompress), but don't start if "autostart"
- * is set to "no"
- */
- if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
- char buf[32];
- sprintf(buf, "%lX", len);
- setenv("filesize", buf);
- return 0;
+ if (!fit_all_image_check_hashes (hdr)) {
+ puts ("Bad hash in FIT image!\n");
+ return 1;
}
- appl = (int (*)(int, char *[]))image_get_ep (hdr);
- (*appl)(argc-1, &argv[1]);
+
return 0;
- case IH_TYPE_KERNEL:
- case IH_TYPE_MULTI:
- /* handled below */
- break;
+#endif
default:
- if (iflag)
- enable_interrupts();
- printf ("Can't boot image type %d\n", image_get_type (hdr));
- show_boot_progress (-8);
- return 1;
+ puts ("Unknown image format!\n");
+ break;
}
- show_boot_progress (8);
- switch (image_get_os (hdr)) {
- default: /* handled by (original) Linux case */
- case IH_OS_LINUX:
-#ifdef CONFIG_SILENT_CONSOLE
- fixup_silent_linux();
-#endif
- do_bootm_linux (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
- case IH_OS_NETBSD:
- do_bootm_netbsd (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
+ return 1;
+}
-#ifdef CONFIG_LYNXKDI
- case IH_OS_LYNXOS:
- do_bootm_lynxkdi (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
+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
- case IH_OS_RTEMS:
- do_bootm_rtems (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
-#if defined(CONFIG_CMD_ELF)
- case IH_OS_VXWORKS:
- do_bootm_vxworks (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
- case IH_OS_QNX:
- do_bootm_qnxelf (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
-#endif
-#ifdef CONFIG_ARTOS
- case IH_OS_ARTOS:
- do_bootm_artos (cmdtp, flag, argc, argv,
- addr, len_ptr, verify);
- break;
+/*******************************************************************/
+/* imls - list all images found in flash */
+/*******************************************************************/
+#if defined(CONFIG_CMD_IMLS)
+int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ 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)) {
+ 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;
+#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: ;
}
- show_boot_progress (-9);
-#ifdef DEBUG
- puts ("\n## Control returned to monitor - resetting...\n");
- do_reset (cmdtp, flag, argc, argv);
-#endif
- return 1;
+ return (0);
}
U_BOOT_CMD(
- bootm, CFG_MAXARGS, 1, do_bootm,
- "bootm - boot application image from memory\n",
- "[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_FLAT_TREE) || 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
+ imls, 1, 1, do_imls,
+ "list all images found in flash",
+ "\n"
+ " - Prints information about all images found at sector\n"
+ " boundaries in flash."
);
+#endif
+/*******************************************************************/
+/* helper routines */
+/*******************************************************************/
#ifdef CONFIG_SILENT_CONSOLE
-static void
-fixup_silent_linux ()
+static void fixup_silent_linux ()
{
char buf[256], *start, *end;
char *cmdline = getenv ("bootargs");
}
#endif /* CONFIG_SILENT_CONSOLE */
-static void
-do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
+
+/*******************************************************************/
+/* OS booting routines */
+/*******************************************************************/
+
+#ifdef CONFIG_BOOTM_NETBSD
+static int do_bootm_netbsd (int flag, int argc, char *argv[],
+ bootm_headers_t *images)
{
- image_header_t *hdr = &header;
+ void (*loader)(bd_t *, image_header_t *, char *, char *);
+ image_header_t *os_hdr, *hdr;
+ ulong kernel_data, kernel_len;
+ char *consdev;
+ char *cmdline;
- void (*loader)(bd_t *, image_header_t *, char *, char *);
- image_header_t *img_addr;
- 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
* line, the name of the console device, and (optionally) the
* address of the original image header.
*/
-
- img_addr = 0;
- if ((image_check_type (hdr, IH_TYPE_MULTI)) && (len_ptr[1]))
- img_addr = (image_header_t *) addr;
-
+ 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)
ulong len;
int i;
- for (i=2, len=0 ; i<argc ; i+=1)
+ 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) {
+ 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) {
+ } else if ((cmdline = getenv ("bootargs")) == NULL) {
cmdline = "";
}
- loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
+ 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);
* r5: console device
* r6: boot args string
*/
- (*loader) (gd->bd, img_addr, consdev, cmdline);
-}
-
-#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-
-/* Function that returns a character from the environment */
-extern uchar (*env_get_char)(int);
-
-static void
-do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
-{
- ulong top;
- char *s, *cmdline;
- char **fwenv, **ss;
- int i, j, nxt, len, envno, envsz;
- bd_t *kbd;
- void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
- image_header_t *hdr = &header;
-
- /*
- * Booting an ARTOS kernel image + application
- */
+ (*loader) (gd->bd, os_hdr, consdev, cmdline);
- /* this used to be the top of memory, but was wrong... */
-#ifdef CONFIG_PPC
- /* get stack pointer */
- asm volatile ("mr %0,1" : "=r"(top) );
-#endif
- debug ("## Current stack ends at 0x%08lX ", top);
-
- top -= 2048; /* just to be sure */
- if (top > CFG_BOOTMAPSZ)
- top = CFG_BOOTMAPSZ;
- top &= ~0xF;
-
- debug ("=> set upper limit to 0x%08lX\n", top);
-
- /* first check the artos specific boot args, then the linux args*/
- if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
- s = "";
-
- /* get length of cmdline, and place it */
- len = strlen(s);
- top = (top - (len + 1)) & ~0xF;
- cmdline = (char *)top;
- debug ("## cmdline at 0x%08lX ", top);
- strcpy(cmdline, s);
-
- /* copy bdinfo */
- top = (top - sizeof(bd_t)) & ~0xF;
- debug ("## bd at 0x%08lX ", top);
- kbd = (bd_t *)top;
- memcpy(kbd, gd->bd, sizeof(bd_t));
-
- /* first find number of env entries, and their size */
- envno = 0;
- envsz = 0;
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
- for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
- ;
- envno++;
- envsz += (nxt - i) + 1; /* plus trailing zero */
- }
- envno++; /* plus the terminating zero */
- debug ("## %u envvars total size %u ", envno, envsz);
-
- top = (top - sizeof(char **)*envno) & ~0xF;
- fwenv = (char **)top;
- debug ("## fwenv at 0x%08lX ", top);
-
- top = (top - envsz) & ~0xF;
- s = (char *)top;
- ss = fwenv;
-
- /* now copy them */
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
- for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
- ;
- *ss++ = s;
- for (j = i; j < nxt; ++j)
- *s++ = env_get_char(j);
- *s++ = '\0';
- }
- *ss++ = NULL; /* terminate */
-
- entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
- (*entry)(kbd, cmdline, fwenv, top);
+ return 1;
}
-#endif
+#endif /* CONFIG_BOOTM_NETBSD*/
-
-#if defined(CONFIG_CMD_BOOTD)
-int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+#ifdef CONFIG_LYNXKDI
+static int do_bootm_lynxkdi (int flag, int argc, char *argv[],
+ bootm_headers_t *images)
{
- int rcode = 0;
-#ifndef CFG_HUSH_PARSER
- if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
-#else
- if (parse_string_outer(getenv("bootcmd"),
- FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
-#endif
- return rcode;
-}
-
-U_BOOT_CMD(
- boot, 1, 1, do_bootd,
- "boot - boot default, i.e., run 'bootcmd'\n",
- NULL
-);
+ image_header_t *hdr = &images->legacy_hdr_os_copy;
-/* keep old command name "bootd" for backward compatibility */
-U_BOOT_CMD(
- bootd, 1, 1, do_bootd,
- "bootd - boot default, i.e., run 'bootcmd'\n",
- NULL
-);
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
+#if defined(CONFIG_FIT)
+ if (!images->legacy_hdr_valid) {
+ fit_unsupported_reset ("Lynx");
+ return 1;
+ }
#endif
-#if defined(CONFIG_CMD_IMI)
-int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- int arg;
- ulong addr;
- int rcode=0;
-
- if (argc < 2) {
- return image_info (load_addr);
- }
+ lynxkdi_boot ((image_header_t *)hdr);
- for (arg=1; arg <argc; ++arg) {
- addr = simple_strtoul(argv[arg], NULL, 16);
- if (image_info (addr) != 0) rcode = 1;
- }
- return rcode;
+ return 1;
}
+#endif /* CONFIG_LYNXKDI */
-static int image_info (ulong addr)
+#ifdef CONFIG_BOOTM_RTEMS
+static int do_bootm_rtems (int flag, int argc, char *argv[],
+ bootm_headers_t *images)
{
- image_header_t *hdr = (image_header_t *)addr;
-
- printf ("\n## Checking Image at %08lx ...\n", addr);
-
- if (!image_check_magic (hdr)) {
- puts (" Bad Magic Number\n");
- return 1;
- }
+ void (*entry_point)(bd_t *);
- if (!image_check_hcrc (hdr)) {
- puts (" Bad Header Checksum\n");
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
- }
- print_image_hdr (hdr);
-
- puts (" Verifying Checksum ... ");
- if (!image_check_dcrc (hdr)) {
- puts (" Bad Data CRC\n");
+#if defined(CONFIG_FIT)
+ if (!images->legacy_hdr_valid) {
+ fit_unsupported_reset ("RTEMS");
return 1;
}
- puts ("OK\n");
- return 0;
-}
-
-U_BOOT_CMD(
- iminfo, CFG_MAXARGS, 1, do_iminfo,
- "iminfo - print header information for application image\n",
- "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)\n"
-);
-
#endif
-#if defined(CONFIG_CMD_IMLS)
-/*-----------------------------------------------------------------------
- * List all images found in flash.
- */
-int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- flash_info_t *info;
- int i, j;
- image_header_t *hdr;
-
- for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
- if (info->flash_id == FLASH_UNKNOWN)
- goto next_bank;
- for (j=0; j<info->sector_count; ++j) {
-
- hdr = (image_header_t *)info->start[j];
-
- if (!hdr || !image_check_magic (hdr))
- goto next_sector;
+ entry_point = (void (*)(bd_t *))images->ep;
- if (!image_check_hcrc (hdr))
- goto next_sector;
+ printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
+ (ulong)entry_point);
- printf ("Image at %08lX:\n", (ulong)hdr);
- print_image_hdr (hdr);
+ show_boot_progress (15);
- puts (" Verifying Checksum ... ");
- if (!image_check_dcrc (hdr)) {
- puts ("Bad Data CRC\n");
- } else {
- puts ("OK\n");
- }
-next_sector: ;
- }
-next_bank: ;
- }
+ /*
+ * RTEMS Parameters:
+ * r3: ptr to board info data
+ */
+ (*entry_point)(gd->bd);
- return (0);
+ return 1;
}
+#endif /* CONFIG_BOOTM_RTEMS */
-U_BOOT_CMD(
- imls, 1, 1, do_imls,
- "imls - list all images found in flash\n",
- "\n"
- " - Prints information about all images found at sector\n"
- " boundaries in flash.\n"
-);
-#endif
-
-void
-print_image_hdr (image_header_t *hdr)
+#if defined(CONFIG_CMD_ELF)
+static int do_bootm_vxworks (int flag, int argc, char *argv[],
+ bootm_headers_t *images)
{
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
- time_t timestamp = (time_t)image_get_time (hdr);
- struct rtc_time tm;
-#endif
-
- printf (" Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr));
-#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
- to_tm (timestamp, &tm);
- printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
- tm.tm_year, tm.tm_mon, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec);
-#endif
- puts (" Image Type: "); print_type(hdr);
- printf ("\n Data Size: %d Bytes = ", image_get_data_size (hdr));
- print_size (image_get_data_size (hdr), "\n");
- printf (" Load Address: %08x\n"
- " Entry Point: %08x\n",
- image_get_load (hdr), image_get_ep (hdr));
-
- if (image_check_type (hdr, IH_TYPE_MULTI)) {
- int i;
- ulong len;
- ulong *len_ptr = (ulong *)((ulong)hdr + image_get_header_size ());
-
- puts (" Contents:\n");
- for (i=0; (len = image_to_cpu (*len_ptr)); ++i, ++len_ptr) {
- printf (" Image %d: %8ld Bytes = ", i, len);
- print_size (len, "\n");
- }
- }
-}
+ char str[80];
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
-static void
-print_type (image_header_t *hdr)
-{
- char *os, *arch, *type, *comp;
-
- switch (image_get_os (hdr)) {
- case IH_OS_INVALID: os = "Invalid OS"; break;
- case IH_OS_NETBSD: os = "NetBSD"; break;
- case IH_OS_LINUX: os = "Linux"; break;
- case IH_OS_VXWORKS: os = "VxWorks"; break;
- case IH_OS_QNX: os = "QNX"; break;
- case IH_OS_U_BOOT: os = "U-Boot"; break;
- case IH_OS_RTEMS: os = "RTEMS"; break;
-#ifdef CONFIG_ARTOS
- case IH_OS_ARTOS: os = "ARTOS"; break;
+#if defined(CONFIG_FIT)
+ if (!images->legacy_hdr_valid) {
+ fit_unsupported_reset ("VxWorks");
+ return 1;
+ }
#endif
-#ifdef CONFIG_LYNXKDI
- case IH_OS_LYNXOS: os = "LynxOS"; break;
-#endif
- default: os = "Unknown OS"; break;
- }
-
- switch (image_get_arch (hdr)) {
- case IH_ARCH_INVALID: arch = "Invalid CPU"; break;
- case IH_ARCH_ALPHA: arch = "Alpha"; break;
- case IH_ARCH_ARM: arch = "ARM"; break;
- case IH_ARCH_AVR32: arch = "AVR32"; break;
- case IH_ARCH_BLACKFIN: arch = "Blackfin"; break;
- case IH_ARCH_I386: arch = "Intel x86"; break;
- case IH_ARCH_IA64: arch = "IA64"; break;
- case IH_ARCH_M68K: arch = "M68K"; break;
- case IH_ARCH_MICROBLAZE:arch = "Microblaze"; break;
- case IH_ARCH_MIPS64: arch = "MIPS 64 Bit"; break;
- case IH_ARCH_MIPS: arch = "MIPS"; break;
- case IH_ARCH_NIOS2: arch = "Nios-II"; break;
- case IH_ARCH_NIOS: arch = "Nios"; break;
- case IH_ARCH_PPC: arch = "PowerPC"; break;
- case IH_ARCH_S390: arch = "IBM S390"; break;
- case IH_ARCH_SH: arch = "SuperH"; break;
- case IH_ARCH_SPARC64: arch = "SPARC 64 Bit"; break;
- case IH_ARCH_SPARC: arch = "SPARC"; break;
- default: arch = "Unknown Architecture"; break;
- }
-
- switch (image_get_type (hdr)) {
- case IH_TYPE_INVALID: type = "Invalid Image"; break;
- case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
- case IH_TYPE_KERNEL: type = "Kernel Image"; break;
- case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
- case IH_TYPE_MULTI: type = "Multi-File Image"; break;
- case IH_TYPE_FIRMWARE: type = "Firmware"; break;
- case IH_TYPE_SCRIPT: type = "Script"; break;
- case IH_TYPE_FLATDT: type = "Flat Device Tree"; break;
- default: type = "Unknown Image"; break;
- }
-
- switch (image_get_comp (hdr)) {
- case IH_COMP_NONE: comp = "uncompressed"; break;
- case IH_COMP_GZIP: comp = "gzip compressed"; break;
- case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
- default: comp = "unknown compression"; break;
- }
-
- printf ("%s %s %s (%s)", arch, os, type, comp);
-}
-
-#define ZALLOC_ALIGNMENT 16
-
-static void *zalloc(void *x, unsigned items, unsigned size)
-{
- void *p;
-
- size *= items;
- size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
- p = malloc (size);
+ sprintf(str, "%lx", images->ep); /* write entry-point into string */
+ setenv("loadaddr", str);
+ do_bootvx(NULL, 0, 0, NULL);
- return (p);
+ return 1;
}
-static void zfree(void *x, void *addr, unsigned nb)
+static int do_bootm_qnxelf(int flag, int argc, char *argv[],
+ bootm_headers_t *images)
{
- free (addr);
-}
+ char *local_args[2];
+ char str[16];
-#define HEAD_CRC 2
-#define EXTRA_FIELD 4
-#define ORIG_NAME 8
-#define COMMENT 0x10
-#define RESERVED 0xe0
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
-#define DEFLATED 8
+#if defined(CONFIG_FIT)
+ if (!images->legacy_hdr_valid) {
+ fit_unsupported_reset ("QNX");
+ return 1;
+ }
+#endif
-int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp)
-{
- z_stream s;
- int r, i, flags;
-
- /* skip header */
- i = 10;
- flags = src[3];
- if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
- puts ("Error: Bad gzipped data\n");
- return (-1);
- }
- if ((flags & EXTRA_FIELD) != 0)
- i = 12 + src[10] + (src[11] << 8);
- if ((flags & ORIG_NAME) != 0)
- while (src[i++] != 0)
- ;
- if ((flags & COMMENT) != 0)
- while (src[i++] != 0)
- ;
- if ((flags & HEAD_CRC) != 0)
- i += 2;
- if (i >= *lenp) {
- puts ("Error: gunzip out of data in header\n");
- return (-1);
- }
-
- s.zalloc = zalloc;
- s.zfree = zfree;
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
- s.outcb = (cb_func)WATCHDOG_RESET;
-#else
- s.outcb = Z_NULL;
-#endif /* CONFIG_HW_WATCHDOG */
-
- r = inflateInit2(&s, -MAX_WBITS);
- if (r != Z_OK) {
- printf ("Error: inflateInit2() returned %d\n", r);
- return (-1);
- }
- s.next_in = src + i;
- s.avail_in = *lenp - i;
- s.next_out = dst;
- s.avail_out = dstlen;
- r = inflate(&s, Z_FINISH);
- if (r != Z_OK && r != Z_STREAM_END) {
- printf ("Error: inflate() returned %d\n", r);
- return (-1);
- }
- *lenp = s.next_out - (unsigned char *) dst;
- inflateEnd(&s);
+ 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);
- return (0);
+ return 1;
}
+#endif
-#ifdef CONFIG_BZIP2
-void bz_internal_error(int errcode)
+#ifdef CONFIG_INTEGRITY
+static int do_bootm_integrity (int flag, int argc, char *argv[],
+ bootm_headers_t *images)
{
- printf ("BZIP2 internal error %d\n", errcode);
-}
-#endif /* CONFIG_BZIP2 */
+ void (*entry_point)(void);
-static void
-do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
-{
- image_header_t *hdr = &header;
- 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 ("INTEGRITY");
+ return 1;
+ }
+#endif
- entry_point = (void (*)(bd_t *))image_get_ep (hdr);
+ entry_point = (void (*)(void))images->ep;
- printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
+ printf ("## Transferring control to INTEGRITY (at address %08lx) ...\n",
(ulong)entry_point);
show_boot_progress (15);
/*
- * RTEMS Parameters:
- * r3: ptr to board info data
+ * INTEGRITY Parameters:
+ * None
*/
+ (*entry_point)();
- (*entry_point ) ( gd->bd );
-}
-
-#if defined(CONFIG_CMD_ELF)
-static void
-do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
-{
- image_header_t *hdr = &header;
- char str[80];
-
- sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
- setenv("loadaddr", str);
- do_bootvx(cmdtp, 0, 0, NULL);
-}
-
-static void
-do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
-{
- image_header_t *hdr = &header;
- char *local_args[2];
- char str[16];
-
- sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
- local_args[0] = argv[0];
- local_args[1] = str; /* and provide it via the arguments */
- do_bootelf(cmdtp, 0, 2, local_args);
+ return 1;
}
#endif
-
-#ifdef CONFIG_LYNXKDI
-static void
-do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
- int argc, char *argv[],
- ulong addr,
- ulong *len_ptr,
- int verify)
-{
- lynxkdi_boot( &header );
-}
-
-#endif /* CONFIG_LYNXKDI */
projects / oweals / u-boot.git / blobdiff