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				git://git.openwrt.org/openwrt/openwrt.git
				synced 2025-11-04 06:54:27 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			64 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/tools/mkimage.c
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+++ b/tools/mkimage.c
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@@ -24,6 +24,7 @@
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 	.arch = IH_ARCH_PPC,
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 	.type = IH_TYPE_KERNEL,
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 	.comp = IH_COMP_GZIP,
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+	.magic = IH_MAGIC,
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 	.dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
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 	.imagename = "",
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 	.imagename2 = "",
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@@ -168,6 +169,16 @@
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 					genimg_get_comp_id (*++argv)) < 0)
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 					usage ();
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 				goto NXTARG;
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+			case 'M':
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+				if (--argc <=0)
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+					usage ();
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+				params.magic = strtoul (*++argv, &ptr, 16);
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+				if (*ptr) {
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+					fprintf (stderr,
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+						"%s: invalid magic %s\n",
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+						params.cmdname, *argv);
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+				}
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+				goto NXTARG;
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 			case 'D':
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 				if (--argc <= 0)
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 					usage ();
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@@ -623,12 +634,13 @@
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 	fprintf (stderr, "Usage: %s -l image\n"
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 			 "          -l ==> list image header information\n",
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 		params.cmdname);
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-	fprintf (stderr, "       %s [-x] -A arch -O os -T type -C comp "
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+	fprintf (stderr, "       %s [-x] -A arch -O os -T type -C comp -M magic "
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 			 "-a addr -e ep -n name -d data_file[:data_file...] image\n"
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 			 "          -A ==> set architecture to 'arch'\n"
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 			 "          -O ==> set operating system to 'os'\n"
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 			 "          -T ==> set image type to 'type'\n"
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 			 "          -C ==> set compression type 'comp'\n"
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+			 "          -M ==> set image magic to 'magic'\n"
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 			 "          -a ==> set load address to 'addr' (hex)\n"
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 			 "          -e ==> set entry point to 'ep' (hex)\n"
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 			 "          -n ==> set image name to 'name'\n"
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--- a/tools/default_image.c
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+++ b/tools/default_image.c
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@@ -98,7 +98,7 @@
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 			sbuf->st_size - sizeof(image_header_t));
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 	/* Build new header */
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-	image_set_magic(hdr, IH_MAGIC);
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+	image_set_magic(hdr, params->magic);
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 	image_set_time(hdr, sbuf->st_mtime);
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 	image_set_size(hdr, sbuf->st_size - sizeof(image_header_t));
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 	image_set_load(hdr, params->addr);
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--- a/tools/imagetool.h
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+++ b/tools/imagetool.h
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@@ -44,6 +44,7 @@
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 	int arch;
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 	int type;
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 	int comp;
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+	unsigned int magic;
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 	char *dtc;
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 	unsigned int addr;
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 	unsigned int ep;
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