c6de9a0aaf608cba0e606f3852bd528f36cd6840
[openwrt/openwrt.git] / tools / mkimage / patches / 030-allow-to-use-different-magic.patch
1 --- a/tools/mkimage.c
2 +++ b/tools/mkimage.c
3 @@ -21,6 +21,7 @@ static struct image_tool_params params =
4 .arch = IH_ARCH_PPC,
5 .type = IH_TYPE_KERNEL,
6 .comp = IH_COMP_GZIP,
7 + .magic = IH_MAGIC,
8 .dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
9 .imagename = "",
10 .imagename2 = "",
11 @@ -77,11 +78,12 @@ static void usage(const char *msg)
12 " -l ==> list image header information\n",
13 params.cmdname);
14 fprintf(stderr,
15 - " %s [-x] -A arch -O os -T type -C comp -a addr -e ep -n name -d data_file[:data_file...] image\n"
16 + " %s [-x] -A arch -O os -T type -C comp -M magic -a addr -e ep -n name -d data_file[:data_file...] image\n"
17 " -A ==> set architecture to 'arch'\n"
18 " -O ==> set operating system to 'os'\n"
19 " -T ==> set image type to 'type'\n"
20 " -C ==> set compression type 'comp'\n"
21 + " -M ==> set image magic to 'magic'\n"
22 " -a ==> set load address to 'addr' (hex)\n"
23 " -e ==> set entry point to 'ep' (hex)\n"
24 " -n ==> set image name to 'name'\n"
25 @@ -144,7 +146,7 @@ static void process_args(int argc, char
26 int opt;
27
28 while ((opt = getopt(argc, argv,
29 - "a:A:b:c:C:d:D:e:Ef:Fk:i:K:ln:N:p:O:rR:qsT:vVx")) != -1) {
30 + "a:A:b:c:C:d:D:e:Ef:Fk:i:K:lM:n:N:p:O:rR:qsT:vVx")) != -1) {
31 switch (opt) {
32 case 'a':
33 params.addr = strtoull(optarg, &ptr, 16);
34 @@ -222,6 +224,14 @@ static void process_args(int argc, char
35 case 'l':
36 params.lflag = 1;
37 break;
38 + case 'M':
39 + params.magic = strtoull(optarg, &ptr, 16);
40 + if (*ptr) {
41 + fprintf(stderr, "%s: invalid magic %s\n",
42 + params.cmdname, optarg);
43 + exit(EXIT_FAILURE);
44 + }
45 + break;
46 case 'n':
47 params.imagename = optarg;
48 break;
49 --- a/tools/default_image.c
50 +++ b/tools/default_image.c
51 @@ -106,7 +106,7 @@ static void image_set_header(void *ptr,
52 imagesize = sbuf->st_size - sizeof(image_header_t);
53
54 /* Build new header */
55 - image_set_magic(hdr, IH_MAGIC);
56 + image_set_magic(hdr, params->magic);
57 image_set_time(hdr, time);
58 image_set_size(hdr, imagesize);
59 image_set_load(hdr, params->addr);
60 --- a/tools/imagetool.h
61 +++ b/tools/imagetool.h
62 @@ -54,6 +54,7 @@ struct image_tool_params {
63 int arch;
64 int type;
65 int comp;
66 + unsigned int magic;
67 char *dtc;
68 unsigned int addr;
69 unsigned int ep;