* (C) Copyright 2003
* Kai-Uwe Bloem, Auerswald GmbH & Co KG, <linux-development@auerswald.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+
*/
-#if defined(CONFIG_CMD_XIMG)
/*
* Multi Image extract
#include <common.h>
#include <command.h>
#include <image.h>
+#include <watchdog.h>
+#if defined(CONFIG_BZIP2)
+#include <bzlib.h>
+#endif
#include <asm/byteorder.h>
-int
-do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+#ifndef CONFIG_SYS_XIMG_LEN
+/* use 8MByte as default max gunzip size */
+#define CONFIG_SYS_XIMG_LEN 0x800000
+#endif
+
+static int
+do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
- ulong addr = load_addr, dest = 0;
- ulong data, len, checksum;
- ulong *len_ptr;
- int i, verify, part = 0;
- char pbuf[10], *s;
- image_header_t header;
+ ulong addr = load_addr;
+ ulong dest = 0;
+ ulong data, len, count;
+ int verify;
+ int part = 0;
+ image_header_t *hdr;
+#if defined(CONFIG_FIT)
+ const char *uname = NULL;
+ const void* fit_hdr;
+ int noffset;
+ const void *fit_data;
+ size_t fit_len;
+#endif
+#ifdef CONFIG_GZIP
+ uint unc_len = CONFIG_SYS_XIMG_LEN;
+#endif
+ uint8_t comp;
- s = getenv("verify");
- verify = (s && (*s == 'n')) ? 0 : 1;
+ verify = getenv_yesno("verify");
if (argc > 1) {
addr = simple_strtoul(argv[1], NULL, 16);
}
if (argc > 2) {
part = simple_strtoul(argv[2], NULL, 16);
+#if defined(CONFIG_FIT)
+ uname = argv[2];
+#endif
}
if (argc > 3) {
dest = simple_strtoul(argv[3], NULL, 16);
}
- printf("## Copying from 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(header.ih_magic) != IH_MAGIC) {
- printf("Bad Magic Number\n");
- return 1;
- }
+ switch (genimg_get_format((void *)addr)) {
+ case IMAGE_FORMAT_LEGACY:
- data = (ulong) & header;
- len = sizeof (image_header_t);
+ printf("## Copying part %d from legacy image "
+ "at %08lx ...\n", part, addr);
- checksum = ntohl(header.ih_hcrc);
- header.ih_hcrc = 0;
+ hdr = (image_header_t *)addr;
+ if (!image_check_magic(hdr)) {
+ printf("Bad Magic Number\n");
+ return 1;
+ }
- if (crc32(0, (char *) data, len) != checksum) {
- printf("Bad Header Checksum\n");
- return 1;
- }
+ if (!image_check_hcrc(hdr)) {
+ printf("Bad Header Checksum\n");
+ return 1;
+ }
#ifdef DEBUG
- print_image_hdr((image_header_t *) addr);
+ image_print_contents(hdr);
#endif
- data = addr + sizeof (image_header_t);
- len = ntohl(header.ih_size);
+ if (!image_check_type(hdr, IH_TYPE_MULTI)) {
+ printf("Wrong Image Type for %s command\n",
+ cmdtp->name);
+ return 1;
+ }
- if (header.ih_type != IH_TYPE_MULTI) {
- printf("Wrong Image Type for %s command\n", cmdtp->name);
- return 1;
- }
+ comp = image_get_comp(hdr);
+ if ((comp != IH_COMP_NONE) && (argc < 4)) {
+ printf("Must specify load address for %s command "
+ "with compressed image\n",
+ cmdtp->name);
+ return 1;
+ }
- if (header.ih_comp != IH_COMP_NONE) {
- printf("Wrong Compression Type for %s command\n", cmdtp->name);
- return 1;
- }
+ if (verify) {
+ printf(" Verifying Checksum ... ");
+ if (!image_check_dcrc(hdr)) {
+ printf("Bad Data CRC\n");
+ return 1;
+ }
+ printf("OK\n");
+ }
- if (verify) {
- printf(" Verifying Checksum ... ");
- if (crc32(0, (char *) data, len) != ntohl(header.ih_dcrc)) {
- printf("Bad Data CRC\n");
+ count = image_multi_count(hdr);
+ if (part >= count) {
+ printf("Bad Image Part\n");
+ return 1;
+ }
+
+ image_multi_getimg(hdr, part, &data, &len);
+ break;
+#if defined(CONFIG_FIT)
+ case IMAGE_FORMAT_FIT:
+ if (uname == NULL) {
+ puts("No FIT subimage unit name\n");
+ return 1;
+ }
+
+ printf("## Copying '%s' subimage from FIT image "
+ "at %08lx ...\n", uname, addr);
+
+ fit_hdr = (const void *)addr;
+ if (!fit_check_format(fit_hdr)) {
+ puts("Bad FIT image format\n");
+ return 1;
+ }
+
+ /* get subimage node offset */
+ noffset = fit_image_get_node(fit_hdr, uname);
+ if (noffset < 0) {
+ printf("Can't find '%s' FIT subimage\n", uname);
return 1;
}
- printf("OK\n");
- }
- len_ptr = (ulong *) data;
-
- data += 4; /* terminator */
- for (i = 0; len_ptr[i]; ++i) {
- data += 4;
- if (argc > 2 && part > i) {
- u_long tail;
- len = ntohl(len_ptr[i]);
- tail = len % 4;
- data += len;
- if (tail) {
- data += 4 - tail;
+ if (fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
+ && (argc < 4)) {
+ printf("Must specify load address for %s command "
+ "with compressed image\n",
+ cmdtp->name);
+ return 1;
+ }
+
+ /* verify integrity */
+ if (verify) {
+ if (!fit_image_verify(fit_hdr, noffset)) {
+ puts("Bad Data Hash\n");
+ return 1;
}
}
- }
- if (argc > 2 && part >= i) {
- printf("Bad Image Part\n");
+
+ /* get subimage data address and length */
+ if (fit_image_get_data(fit_hdr, noffset,
+ &fit_data, &fit_len)) {
+ puts("Could not find script subimage data\n");
+ return 1;
+ }
+
+ if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
+ puts("Could not find script subimage "
+ "compression type\n");
+ return 1;
+ }
+
+ data = (ulong)fit_data;
+ len = (ulong)fit_len;
+ break;
+#endif
+ default:
+ puts("Invalid image type for imxtract\n");
return 1;
}
- len = ntohl(len_ptr[part]);
if (argc > 3) {
- memcpy((char *) dest, (char *) data, len);
+ switch (comp) {
+ case IH_COMP_NONE:
+#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
+ {
+ size_t l = len;
+ size_t tail;
+ void *to = (void *) dest;
+ void *from = (void *)data;
+
+ printf(" Loading part %d ... ", part);
+
+ while (l > 0) {
+ tail = (l > CHUNKSZ) ? CHUNKSZ : l;
+ WATCHDOG_RESET();
+ memmove(to, from, tail);
+ to += tail;
+ from += tail;
+ l -= tail;
+ }
+ }
+#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
+ printf(" Loading part %d ... ", part);
+ memmove((char *) dest, (char *)data, len);
+#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
+ break;
+#ifdef CONFIG_GZIP
+ case IH_COMP_GZIP:
+ printf(" Uncompressing part %d ... ", part);
+ if (gunzip((void *) dest, unc_len,
+ (uchar *) data, &len) != 0) {
+ puts("GUNZIP ERROR - image not loaded\n");
+ return 1;
+ }
+ break;
+#endif
+#if defined(CONFIG_BZIP2)
+ case IH_COMP_BZIP2:
+ {
+ int i;
+
+ printf(" Uncompressing part %d ... ", part);
+ /*
+ * 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 *)ntohl(hdr->ih_load),
+ &unc_len, (char *)data, len,
+ CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
+ 0);
+ if (i != BZ_OK) {
+ printf("BUNZIP2 ERROR %d - "
+ "image not loaded\n", i);
+ return 1;
+ }
+ }
+ break;
+#endif /* CONFIG_BZIP2 */
+ default:
+ printf("Unimplemented compression type %d\n", comp);
+ return 1;
+ }
+ puts("OK\n");
}
- sprintf(pbuf, "%8lx", data);
- setenv("fileaddr", pbuf);
- sprintf(pbuf, "%8lx", len);
- setenv("filesize", pbuf);
+ setenv_hex("fileaddr", data);
+ setenv_hex("filesize", len);
return 0;
}
-U_BOOT_CMD(imxtract, 4, 1, do_imgextract,
- "imxtract- extract a part of a multi-image\n",
- "addr part [dest]\n"
- " - extract <part> from image at <addr> and copy to <dest>\n");
-
+#ifdef CONFIG_SYS_LONGHELP
+static char imgextract_help_text[] =
+ "addr part [dest]\n"
+ " - extract <part> from legacy image at <addr> and copy to <dest>"
+#if defined(CONFIG_FIT)
+ "\n"
+ "addr uname [dest]\n"
+ " - extract <uname> subimage from FIT image at <addr> and copy to <dest>"
#endif
+ "";
+#endif
+
+U_BOOT_CMD(
+ imxtract, 4, 1, do_imgextract,
+ "extract a part of a multi-image", imgextract_help_text
+);
projects / karo-tx-uboot.git / blobdiff