X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_ximg.c;h=b439be3d088526eb48c0fb9c95cd6f805203728f;hb=1cd4b6253eab13c5cea7fae5e217bbd28fef15a0;hp=52e06144963adb737075cd325ef8ff8805e7aa7a;hpb=fd9bcaa35be64fe41a4223fdb6ecdbad52470b39;p=karo-tx-uboot.git

diff --git a/common/cmd_ximg.c b/common/cmd_ximg.c
index 52e0614496..b439be3d08 100644
--- a/common/cmd_ximg.c
+++ b/common/cmd_ximg.c
@@ -5,26 +5,9 @@
  * (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
@@ -32,113 +15,251 @@
 #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
+);