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-rw-r--r--commands/bootm.c1043
1 files changed, 1043 insertions, 0 deletions
diff --git a/commands/bootm.c b/commands/bootm.c
new file mode 100644
index 0000000000..02ddf20fdb
--- /dev/null
+++ b/commands/bootm.c
@@ -0,0 +1,1043 @@
+/*
+ * (C) Copyright 2000-2006
+ * 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
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <watchdog.h>
+#include <driver.h>
+#include <command.h>
+#include <image.h>
+#include <malloc.h>
+#include <zlib.h>
+#include <bzlib.h>
+#include <environment.h>
+#include <asm/byteorder.h>
+#include <xfuncs.h>
+#include <getopt.h>
+#include <fcntl.h>
+#include <fs.h>
+#include <errno.h>
+#include <boot.h>
+
+ /*cmd_boot.c*/
+
+#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
+#include <rtc.h>
+#endif
+
+#ifdef CONFIG_HUSH_PARSER
+#include <hush.h>
+#endif
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# include <status_led.h>
+# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+#ifdef CFG_INIT_RAM_LOCK
+#include <asm/cache.h>
+#endif
+
+#ifdef CONFIG_LOGBUFFER
+#include <logbuff.h>
+#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.
+ */
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+# define CHUNKSZ (64 * 1024)
+#endif
+
+#ifdef CONFIG_CMD_BOOTM_ZLIB
+int gunzip (void *, int, unsigned char *, unsigned long *);
+
+static void *zalloc(void *, unsigned, unsigned);
+static void zfree(void *, void *, unsigned);
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_IMI)
+static int image_info (unsigned long addr);
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_IMLS)
+#include <flash.h>
+static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
+
+static void print_type (image_header_t *hdr);
+
+#ifdef __I386__
+image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
+#endif
+
+/*
+ * 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 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' */
+
+#ifdef DEBUG
+extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+#endif
+
+#ifdef CONFIG_SILENT_CONSOLE
+static void fixup_silent_linux (void);
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_ELF)
+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 /* CFG_CMD_ELF */
+#ifdef CONFIG_LYNXKDI
+extern void lynxkdi_boot( image_header_t * );
+#endif
+
+#ifndef CFG_BOOTM_LEN
+#define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
+#endif
+
+#ifdef CONFIG_OF_FLAT_TREE
+#define OPT_OFTREE "o:"
+#else
+#define OPT_OFTREE
+#endif
+
+int relocate_image(image_header_t *hdr, void *load_address)
+{
+ unsigned long data = (unsigned long)(hdr + 1);
+ unsigned long len = ntohl(hdr->ih_size);
+ int ret;
+
+#if defined CONFIG_CMD_BOOTM_ZLIB || defined CONFIG_CMD_BOOTM_BZLIB
+ uint unc_len = CFG_BOOTM_LEN;
+#endif
+
+ switch (hdr->ih_comp) {
+ case IH_COMP_NONE:
+ if(ntohl(hdr->ih_load) == data) {
+ printf (" XIP ... ");
+ } else {
+ memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
+ }
+ break;
+#ifdef CONFIG_CMD_BOOTM_ZLIB
+ case IH_COMP_GZIP:
+ printf (" Uncompressing ... ");
+ if (gunzip (load_address, unc_len,
+ (uchar *)data, &len) != 0)
+ return -1;
+ break;
+#endif
+#ifdef CONFIG_CMD_BOOTM_BZLIB
+ case IH_COMP_BZIP2:
+ printf (" Uncompressing ... ");
+ /*
+ * If we've got less than 4 MB of malloc() space,
+ * use slower decompression algorithm which requires
+ * at most 2300 KB of memory.
+ */
+ ret = BZ2_bzBuffToBuffDecompress (load_address,
+ &unc_len, (char *)data, len,
+ CFG_MALLOC_LEN < (4096 * 1024), 0);
+ if (ret != BZ_OK)
+ return -1;
+ break;
+#endif
+ default:
+ printf ("Unimplemented compression type %d\n", hdr->ih_comp);
+ return -1;
+ }
+
+ return 0;
+}
+
+image_header_t *map_image(const char *filename, int verify)
+{
+ int fd;
+ uint32_t checksum, len;
+ void *data;
+ image_header_t *header, *tmp_header;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0) {
+ printf("could not open: %s\n", errno_str());
+ return NULL;
+ }
+
+ header = xmalloc(sizeof(image_header_t));
+
+ if (read(fd, header, sizeof(image_header_t)) < 0) {
+ printf("could not read: %s\n", errno_str());
+ goto err_out;
+ }
+
+ if (ntohl(header->ih_magic) != IH_MAGIC) {
+ puts ("Bad Magic Number\n");
+ goto err_out;
+ }
+
+ checksum = ntohl(header->ih_hcrc);
+ header->ih_hcrc = 0;
+
+ if (crc32 (0, (uchar *)header, sizeof(image_header_t)) != checksum) {
+ puts ("Bad Header Checksum\n");
+ goto err_out;
+ }
+ len = ntohl(header->ih_size);
+
+ tmp_header = realloc(header, sizeof(image_header_t) + len);
+ if (!tmp_header)
+ goto err_out;
+ header = tmp_header;
+
+ data = (void *)(header + 1);
+
+ if (read(fd, data, len) < 0) {
+ printf("could not read: %s\n", errno_str());
+ goto err_out;
+ }
+
+ if (verify) {
+ puts (" Verifying Checksum ... ");
+ if (crc32 (0, data, len) != ntohl(header->ih_dcrc)) {
+ printf ("Bad Data CRC\n");
+ goto err_out;
+ }
+ puts ("OK\n");
+ }
+
+ print_image_hdr (header);
+
+ close(fd);
+
+ return header;
+err_out:
+ close(fd);
+ free(header);
+ return NULL;
+}
+
+int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong iflag;
+ int verify = 1;
+ int opt;
+ char *initrd = NULL;
+ image_header_t *os_header;
+ image_header_t *initrd_header = NULL;
+#ifdef CONFIG_OF_FLAT_TREE
+ char *oftree = NULL;
+#endif
+ int ignore_load_address = 0;
+
+ getopt_reset();
+
+ while((opt = getopt(argc, argv, "r:ni" OPT_OFTREE)) > 0) {
+ switch(opt) {
+ case 'r':
+ initrd = optarg;
+ break;
+ case 'n':
+ verify = 0;
+ break;
+ case 'i':
+ ignore_load_address = 1;
+ break;
+#ifdef CONFIG_OF_FLAT_TREE
+ case 'o':
+ oftree = optarg;
+ break;
+#endif
+ default:
+ return 1;
+ }
+ }
+
+ if (optind == argc) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ os_header = map_image(argv[optind], verify);
+ if (!os_header)
+ return 1;
+
+ if (os_header->ih_arch != IH_CPU) {
+ printf ("Unsupported Architecture 0x%x\n", os_header->ih_arch);
+ goto err_out;
+ }
+
+ if (initrd) {
+ initrd_header = map_image(initrd, verify);
+ if (!initrd_header)
+ goto err_out;
+ }
+#if 0
+ switch (os_header->ih_type) {
+ case IH_TYPE_STANDALONE:
+ name = "Standalone Application";
+ /* A second argument overwrites the load address */
+ if (argc > 2) {
+ os_header->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
+ }
+ break;
+ case IH_TYPE_KERNEL:
+ name = "Kernel Image";
+ break;
+ case IH_TYPE_MULTI:
+ name = "Multi-File Image";
+ len = ntohl(len_ptr[0]);
+ /* OS kernel is always the first image */
+ data += 8; /* kernel_len + terminator */
+ for (i=1; len_ptr[i]; ++i)
+ data += 4;
+ break;
+ default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
+ return 1;
+ }
+#endif
+ /*
+ * 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();
+
+ puts ("OK\n");
+
+ switch (os_header->ih_os) {
+ default: /* handled by (original) Linux case */
+ case IH_OS_LINUX:
+#ifdef CONFIG_SILENT_CONSOLE
+ fixup_silent_linux();
+#endif
+#ifdef CONFIG_OF_FLAT_TREE
+ do_bootm_linux(os_header, initrd_header, oftree);
+#else
+ do_bootm_linux(os_header, initrd_header);
+#endif
+ break;
+#ifdef CONFIG_NETBSD
+ case IH_OS_NETBSD:
+ do_bootm_netbsd (cmdtp, flag, argc, argv,
+ addr, len_ptr, verify);
+ break;
+#endif
+
+#ifdef CONFIG_LYNXKDI
+ case IH_OS_LYNXOS:
+ do_bootm_lynxkdi (cmdtp, flag, argc, argv,
+ addr, len_ptr, verify);
+ break;
+#endif
+
+#ifdef CONFIG_RTEMS
+ case IH_OS_RTEMS:
+ do_bootm_rtems (cmdtp, flag, argc, argv,
+ addr, len_ptr, verify);
+ break;
+#endif
+
+#if (CONFIG_COMMANDS & CFG_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 /* CFG_CMD_ELF */
+#ifdef CONFIG_ARTOS
+ case IH_OS_ARTOS:
+ do_bootm_artos (cmdtp, flag, argc, argv,
+ addr, len_ptr, verify);
+ break;
+#endif
+ }
+
+ SHOW_BOOT_PROGRESS (-9);
+#ifdef DEBUG
+ puts ("\n## Control returned to monitor - resetting...\n");
+ do_reset (cmdtp, flag, argc, argv);
+#endif
+
+err_out:
+ if (os_header)
+ free(os_header);
+ if (initrd_header)
+ free(initrd_header);
+ return 1;
+}
+
+U_BOOT_CMD_START(bootm)
+ .maxargs = CONFIG_MAXARGS,
+ .cmd = do_bootm,
+ .usage = "boot application image from memory",
+ U_BOOT_CMD_HELP(
+ "[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"
+#ifdef CONFIG_OF_FLAT_TREE
+ "\tWhen booting a Linux kernel which requires a flat device-tree\n"
+ "\ta third argument is required which is the address of the 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
+ )
+U_BOOT_CMD_END
+
+#ifdef CONFIG_SILENT_CONSOLE
+static void
+fixup_silent_linux ()
+{
+ 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) {
+ if ((start = strstr (cmdline, "console=")) != NULL) {
+ 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 */
+
+#ifdef CONFIG_NETBSD
+static void
+do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
+ int argc, char *argv[],
+ ulong addr,
+ ulong *len_ptr,
+ int verify)
+{
+ image_header_t *hdr = &header;
+#if 0
+ void (*loader)(bd_t *, image_header_t *, char *, char *);
+#endif
+ image_header_t *img_addr;
+ char *consdev;
+ char *cmdline;
+
+
+ /*
+ * 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.
+ */
+
+ img_addr = 0;
+ if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
+ img_addr = (image_header_t *) addr;
+
+
+ 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 = (char *)getenv("bootargs")) == NULL) {
+ cmdline = "";
+ }
+#if 0
+ loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
+
+ printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
+ (ulong)loader);
+#endif
+ SHOW_BOOT_PROGRESS (15);
+
+ /*
+ * NetBSD Stage-2 Loader Parameters:
+ * r3: ptr to board info data
+ * r4: image address
+ * r5: console device
+ * r6: boot args string
+ */
+#if 0
+ (*loader) (gd->bd, img_addr, consdev, cmdline);
+#else
+#warning NetBSD Support is broken
+#endif
+}
+#endif
+
+#ifdef CONFIG_ARTOS
+
+/* 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
+ */
+
+ /* this used to be the top of memory, but was wrong... */
+
+ /* get stack pointer */
+ asm volatile ("mr %0,1" : "=r"(top) );
+
+ 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))ntohl(hdr->ih_ep);
+ (*entry)(kbd, cmdline, fwenv, top);
+}
+#endif
+
+int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int rcode = 0;
+#ifndef CONFIG_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_START(boot)
+ .maxargs = 1,
+ .cmd = do_bootd,
+ .usage = "boot default, i.e., run 'bootcmd'",
+U_BOOT_CMD_END
+
+#if 0
+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)
+{
+ ulong data, len, checksum;
+ image_header_t *hdr = &header;
+
+ printf ("\n## Checking Image at %08lx ...\n", addr);
+
+ /* Copy header so we can blank CRC field for re-calculation */
+ memmove (&header, (char *)addr, sizeof(image_header_t));
+
+ if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+ puts (" Bad Magic Number\n");
+ return 1;
+ }
+
+ data = (ulong)&header;
+ len = sizeof(image_header_t);
+
+ checksum = ntohl(hdr->ih_hcrc);
+ hdr->ih_hcrc = 0;
+
+ if (crc32 (0, (uchar *)data, len) != checksum) {
+ puts (" Bad Header Checksum\n");
+ return 1;
+ }
+
+ /* for multi-file images we need the data part, too */
+ print_image_hdr ((image_header_t *)addr);
+
+ data = addr + sizeof(image_header_t);
+ len = ntohl(hdr->ih_size);
+
+ puts (" Verifying Checksum ... ");
+ if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+ puts (" Bad Data CRC\n");
+ return 1;
+ }
+ puts ("OK\n");
+ return 0;
+}
+
+U_BOOT_CMD(
+ iminfo, CONFIG_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 /* CFG_CMD_IMI */
+
+#if (CONFIG_COMMANDS & CFG_CMD_IMLS)
+#if 0
+/*-----------------------------------------------------------------------
+ * 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;
+ ulong data, len, checksum;
+
+ 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) {
+
+ if (!(hdr=(image_header_t *)info->start[j]) ||
+ (ntohl(hdr->ih_magic) != IH_MAGIC))
+ goto next_sector;
+
+ /* Copy header so we can blank CRC field for re-calculation */
+ memmove (&header, (char *)hdr, sizeof(image_header_t));
+
+ checksum = ntohl(header.ih_hcrc);
+ header.ih_hcrc = 0;
+
+ if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
+ != checksum)
+ goto next_sector;
+
+ printf ("Image at %08lX:\n", (ulong)hdr);
+ print_image_hdr( hdr );
+
+ data = (ulong)hdr + sizeof(image_header_t);
+ len = ntohl(hdr->ih_size);
+
+ puts (" Verifying Checksum ... ");
+ if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+ puts (" Bad Data CRC\n");
+ }
+ puts ("OK\n");
+next_sector: ;
+ }
+next_bank: ;
+ }
+
+ return (0);
+}
+
+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 /* CFG_CMD_IMLS */
+#endif
+
+void
+print_image_hdr (image_header_t *hdr)
+{
+#if defined(CONFIG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
+ time_t timestamp = (time_t)ntohl(hdr->ih_time);
+ struct rtc_time tm;
+#endif
+
+ printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
+#if defined(CONFIG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
+ 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 /* CONFIG_CMD_DATE, CONFIG_TIMESTAMP */
+ puts (" Image Type: "); print_type(hdr);
+ printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
+ print_size (ntohl(hdr->ih_size), "\n");
+ printf (" Load Address: %08x\n"
+ " Entry Point: %08x\n",
+ ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
+
+ if (hdr->ih_type == IH_TYPE_MULTI) {
+ int i;
+ ulong len;
+ ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
+
+ puts (" Contents:\n");
+ for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
+ printf (" Image %d: %8ld Bytes = ", i, len);
+ print_size (len, "\n");
+ }
+ }
+}
+
+
+static void
+print_type (image_header_t *hdr)
+{
+ char *os, *arch, *type, *comp;
+
+ switch (hdr->ih_os) {
+ 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;
+#endif
+#ifdef CONFIG_LYNXKDI
+ case IH_OS_LYNXOS: os = "LynxOS"; break;
+#endif
+ default: os = "Unknown OS"; break;
+ }
+
+ switch (hdr->ih_arch) {
+ case IH_CPU_INVALID: arch = "Invalid CPU"; break;
+ case IH_CPU_ALPHA: arch = "Alpha"; break;
+ case IH_CPU_ARM: arch = "ARM"; break;
+ case IH_CPU_AVR32: arch = "AVR32"; break;
+ case IH_CPU_I386: arch = "Intel x86"; break;
+ case IH_CPU_IA64: arch = "IA64"; break;
+ case IH_CPU_MIPS: arch = "MIPS"; break;
+ case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
+ case IH_CPU_PPC: arch = "PowerPC"; break;
+ case IH_CPU_S390: arch = "IBM S390"; break;
+ case IH_CPU_SH: arch = "SuperH"; break;
+ case IH_CPU_SPARC: arch = "SPARC"; break;
+ case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
+ case IH_CPU_M68K: arch = "M68K"; break;
+ case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
+ case IH_CPU_NIOS: arch = "Nios"; break;
+ case IH_CPU_NIOS2: arch = "Nios-II"; break;
+ default: arch = "Unknown Architecture"; break;
+ }
+
+ switch (hdr->ih_type) {
+ 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 (hdr->ih_comp) {
+ 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);
+}
+
+#ifdef CONFIG_ZLIB
+
+#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);
+
+ return (p);
+}
+
+static void zfree(void *x, void *addr, unsigned nb)
+{
+ free (addr);
+}
+
+#define HEAD_CRC 2
+#define EXTRA_FIELD 4
+#define ORIG_NAME 8
+#define COMMENT 0x10
+#define RESERVED 0xe0
+
+#define DEFLATED 8
+
+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);
+
+ return (0);
+}
+#endif
+
+#ifdef CONFIG_BZLIB
+void bz_internal_error(int errcode)
+{
+ printf ("BZIP2 internal error %d\n", errcode);
+}
+#endif /* CONFIG_BZLIB */
+
+#ifdef CONFIG_RTEMS
+static void
+do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+ ulong addr, ulong *len_ptr, int verify)
+{
+#if 0
+ image_header_t *hdr = &header;
+ void (*entry_point)(bd_t *);
+
+ entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
+
+ printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
+ (ulong)entry_point);
+#endif
+ SHOW_BOOT_PROGRESS (15);
+
+ /*
+ * RTEMS Parameters:
+ * r3: ptr to board info data
+ */
+#if 0
+ (*entry_point ) ( gd->bd );
+#else
+#warning RTEMS support is broken
+#endif
+}
+#endif
+
+#if (CONFIG_COMMANDS & CFG_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", ntohl(hdr->ih_ep)); /* 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", ntohl(hdr->ih_ep)); /* 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);
+}
+#endif /* CFG_CMD_ELF */
+
+#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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 16:43:50 +0000