2 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
4 * This tool was based on:
5 * TP-Link WR941 V2 firmware checksum fixing tool.
6 * Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
18 #include <unistd.h> /* for unlink() */
20 #include <getopt.h> /* for getopt() */
27 #include <arpa/inet.h>
28 #include <netinet/in.h>
32 #define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
37 char *file_name
; /* name of the file */
38 uint32_t file_size
; /* length of the file */
42 uint32_t version
; /* 0x00: header version */
43 char fw_version
[48]; /* 0x04: fw version string */
44 uint32_t hw_id
; /* 0x34: hardware id */
45 uint32_t hw_rev
; /* 0x38: FIXME: hardware revision? */
46 uint32_t hw_ver_add
; /* 0x3c: additional hardware version */
47 uint8_t md5sum1
[MD5SUM_LEN
]; /* 0x40 */
48 uint32_t unk2
; /* 0x50: 0x00000000 */
49 uint8_t md5sum2
[MD5SUM_LEN
]; /* 0x54 */
50 uint32_t unk3
; /* 0x64: 0xffffffff */
52 uint32_t kernel_la
; /* 0x68: kernel load address */
53 uint32_t kernel_ep
; /* 0x6c: kernel entry point */
54 uint32_t fw_length
; /* 0x70: total length of the image */
55 uint32_t kernel_ofs
; /* 0x74: kernel data offset */
56 uint32_t kernel_len
; /* 0x78: kernel data length */
57 uint32_t rootfs_ofs
; /* 0x7c: rootfs data offset */
58 uint32_t rootfs_len
; /* 0x80: rootfs data length */
59 uint32_t boot_ofs
; /* 0x84: bootloader offset */
60 uint32_t boot_len
; /* 0x88: bootloader length */
61 uint16_t unk4
; /* 0x8c: 0x55aa */
62 uint8_t sver_hi
; /* 0x8e */
63 uint8_t sver_lo
; /* 0x8f */
64 uint8_t unk5
; /* 0x90: magic: 0xa5 */
65 uint8_t ver_hi
; /* 0x91 */
66 uint8_t ver_mid
; /* 0x92 */
67 uint8_t ver_lo
; /* 0x93 */
69 } __attribute__ ((packed
));
79 #define FLAG_LE_KERNEL_LA_EP 0x00000001 /* Little-endian used for kernel load address & entry point */
95 static char *progname
;
96 static char *vendor
= "TP-LINK Technologies";
97 static char *version
= "ver. 1.0";
98 static char *fw_ver
= "0.0.0";
99 static char *sver
= "1.0";
100 static uint32_t hdr_ver
= 2;
102 static struct board_info custom_board
;
104 static char *board_id
;
105 static struct board_info
*board
;
106 static char *layout_id
;
107 static struct flash_layout
*layout
;
108 static char *opt_hw_id
;
109 static char *opt_hw_rev
;
110 static char *opt_hw_ver_add
;
111 static int fw_ver_lo
;
112 static int fw_ver_mid
;
113 static int fw_ver_hi
;
116 static struct file_info kernel_info
;
117 static uint32_t kernel_la
= 0;
118 static uint32_t kernel_ep
= 0;
119 static uint32_t kernel_len
= 0;
120 static struct file_info rootfs_info
;
121 static uint32_t rootfs_ofs
= 0;
122 static uint32_t rootfs_align
;
123 static struct file_info boot_info
;
125 static int strip_padding
;
126 static int add_jffs2_eof
;
127 static unsigned char jffs2_eof_mark
[4] = {0xde, 0xad, 0xc0, 0xde};
129 static struct file_info inspect_info
;
130 static int extract
= 0;
132 char md5salt_normal
[MD5SUM_LEN
] = {
133 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
134 0xdc, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x37,
137 char md5salt_boot
[MD5SUM_LEN
] = {
138 0x8c, 0xef, 0x33, 0x5f, 0xd5, 0xc5, 0xce, 0xfa,
139 0xac, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
142 static struct flash_layout layouts
[] = {
145 .fw_max_len
= 0x7a0000,
146 .kernel_la
= 0x80002000,
147 .kernel_ep
= 0x80002000,
148 .rootfs_ofs
= 0x140000,
151 .fw_max_len
= 0xf90000,
152 .kernel_la
= 0x80002000,
153 .kernel_ep
= 0x800061b0,
154 .rootfs_ofs
= 0x140000,
157 .fw_max_len
= 0x7a0000,
158 .kernel_la
= 0x80000000,
159 .kernel_ep
= 0x80000000,
160 .rootfs_ofs
= 0x140000,
163 .fw_max_len
= 0x7b0000,
164 .kernel_la
= 0x80000000,
165 .kernel_ep
= 0x80000000,
166 .rootfs_ofs
= 0x140000,
168 /* terminating entry */
172 static struct board_info boards
[] = {
177 .layout_id
= "8Mltq",
182 .layout_id
= "8Mltq",
187 .layout_id
= "8Mmtk",
189 .flags
= FLAG_LE_KERNEL_LA_EP
,
191 .id
= "ArcherVR200V",
194 .layout_id
= "16Mltq",
200 .layout_id
= "8Mmtk",
202 .flags
= FLAG_LE_KERNEL_LA_EP
,
207 .layout_id
= "8MLmtk",
209 .flags
= FLAG_LE_KERNEL_LA_EP
,
215 .layout_id
= "8Mmtk",
217 .flags
= FLAG_LE_KERNEL_LA_EP
,
219 .id
= "TL-WR841NV13",
223 .layout_id
= "8Mmtk",
225 .flags
= FLAG_LE_KERNEL_LA_EP
,
227 /* terminating entry */
234 #define ERR(fmt, ...) do { \
236 fprintf(stderr, "[%s] *** error: " fmt "\n", \
237 progname, ## __VA_ARGS__ ); \
240 #define ERRS(fmt, ...) do { \
243 fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
244 progname, ## __VA_ARGS__, strerror(save)); \
247 #define DBG(fmt, ...) do { \
248 fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
251 static struct board_info
*find_board(char *id
)
253 struct board_info
*ret
;
254 struct board_info
*board
;
257 for (board
= boards
; board
->id
!= NULL
; board
++){
258 if (strcasecmp(id
, board
->id
) == 0) {
267 static struct board_info
*find_board_by_hwid(uint32_t hw_id
)
269 struct board_info
*board
;
271 for (board
= boards
; board
->id
!= NULL
; board
++) {
272 if (hw_id
== board
->hw_id
)
279 static struct flash_layout
*find_layout(char *id
)
281 struct flash_layout
*ret
;
282 struct flash_layout
*l
;
285 for (l
= layouts
; l
->id
!= NULL
; l
++){
286 if (strcasecmp(id
, l
->id
) == 0) {
295 static void usage(int status
)
297 FILE *stream
= (status
!= EXIT_SUCCESS
) ? stderr
: stdout
;
298 struct board_info
*board
;
300 fprintf(stream
, "Usage: %s [OPTIONS...]\n", progname
);
304 " -B <board> create image for the board specified with <board>\n"
305 " -c use combined kernel image\n"
306 " -e swap endianness in kernel load address and entry point\n"
307 " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
308 " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
309 " -H <hwid> use hardware id specified with <hwid>\n"
310 " -W <hwrev> use hardware revision specified with <hwrev>\n"
311 " -w <hwveradd> use additional hardware version specified with <hwveradd>\n"
312 " -F <id> use flash layout specified with <id>\n"
313 " -k <file> read kernel image from the file <file>\n"
314 " -r <file> read rootfs image from the file <file>\n"
315 " -a <align> align the rootfs start on an <align> bytes boundary\n"
316 " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
317 " -o <file> write output to the file <file>\n"
318 " -s strip padding from the end of the image\n"
319 " -j add jffs2 end-of-filesystem markers\n"
320 " -N <vendor> set image vendor to <vendor>\n"
321 " -T <version> set header version to <version>\n"
322 " -V <version> set image version to <version>\n"
323 " -v <version> set firmware version to <version>\n"
324 " -y <version> set secondary version to <version>\n"
325 " -i <file> inspect given firmware file <file>\n"
326 " -x extract kernel and rootfs while inspecting (requires -i)\n"
327 " -h show this screen\n"
333 static int get_md5(char *data
, int size
, char *md5
)
338 MD5_Update(&ctx
, data
, size
);
339 MD5_Final(md5
, &ctx
);
342 static int get_file_stat(struct file_info
*fdata
)
347 if (fdata
->file_name
== NULL
)
350 res
= stat(fdata
->file_name
, &st
);
352 ERRS("stat failed on %s", fdata
->file_name
);
356 fdata
->file_size
= st
.st_size
;
360 static int read_to_buf(struct file_info
*fdata
, char *buf
)
363 int ret
= EXIT_FAILURE
;
365 f
= fopen(fdata
->file_name
, "r");
367 ERRS("could not open \"%s\" for reading", fdata
->file_name
);
372 fread(buf
, fdata
->file_size
, 1, f
);
374 ERRS("unable to read from file \"%s\"", fdata
->file_name
);
386 static int check_options(void)
390 if (inspect_info
.file_name
) {
391 ret
= get_file_stat(&inspect_info
);
396 } else if (extract
) {
397 ERR("no firmware for inspection specified");
401 if (board_id
== NULL
&& opt_hw_id
== NULL
) {
402 ERR("either board or hardware id must be specified");
407 board
= find_board(board_id
);
409 ERR("unknown/unsupported board id \"%s\"", board_id
);
412 if (layout_id
== NULL
)
413 layout_id
= board
->layout_id
;
416 hdr_ver
= board
->hdr_ver
;
418 board
= &custom_board
;
420 if (layout_id
== NULL
) {
421 ERR("flash layout is not specified");
425 board
->hw_id
= strtoul(opt_hw_id
, NULL
, 0);
428 board
->hw_rev
= strtoul(opt_hw_rev
, NULL
, 0);
433 board
->hw_ver_add
= strtoul(opt_hw_ver_add
, NULL
, 0);
435 board
->hw_ver_add
= 0;
438 layout
= find_layout(layout_id
);
439 if (layout
== NULL
) {
440 ERR("unknown flash layout \"%s\"", layout_id
);
445 kernel_la
= layout
->kernel_la
;
447 kernel_ep
= layout
->kernel_ep
;
449 rootfs_ofs
= layout
->rootfs_ofs
;
451 if (kernel_info
.file_name
== NULL
) {
452 ERR("no kernel image specified");
456 ret
= get_file_stat(&kernel_info
);
460 kernel_len
= kernel_info
.file_size
;
463 if (kernel_info
.file_size
>
464 layout
->fw_max_len
- sizeof(struct fw_header
)) {
465 ERR("kernel image is too big");
469 if (rootfs_info
.file_name
== NULL
) {
470 ERR("no rootfs image specified");
474 ret
= get_file_stat(&rootfs_info
);
479 kernel_len
+= sizeof(struct fw_header
);
480 kernel_len
= ALIGN(kernel_len
, rootfs_align
);
481 kernel_len
-= sizeof(struct fw_header
);
483 DBG("kernel length aligned to %u", kernel_len
);
485 if (kernel_len
+ rootfs_info
.file_size
>
486 layout
->fw_max_len
- sizeof(struct fw_header
)) {
487 ERR("images are too big");
491 if (kernel_info
.file_size
>
492 rootfs_ofs
- sizeof(struct fw_header
)) {
493 ERR("kernel image is too big");
497 if (rootfs_info
.file_size
>
498 (layout
->fw_max_len
- rootfs_ofs
)) {
499 ERR("rootfs image is too big");
505 if (ofname
== NULL
) {
506 ERR("no output file specified");
510 ret
= sscanf(fw_ver
, "%d.%d.%d", &fw_ver_hi
, &fw_ver_mid
, &fw_ver_lo
);
512 ERR("invalid firmware version '%s'", fw_ver
);
516 ret
= sscanf(sver
, "%d.%d", &sver_hi
, &sver_lo
);
518 ERR("invalid secondary version '%s'", sver
);
525 static void fill_header(char *buf
, int len
)
527 struct fw_header
*hdr
= (struct fw_header
*)buf
;
530 memset(hdr
, '\xff', sizeof(struct fw_header
));
532 hdr
->version
= htonl(bswap_32(hdr_ver
));
533 ver_len
= strlen(version
);
534 if (ver_len
> (sizeof(hdr
->fw_version
) - 1))
535 ver_len
= sizeof(hdr
->fw_version
) - 1;
537 memcpy(hdr
->fw_version
, version
, ver_len
);
538 hdr
->fw_version
[ver_len
] = 0;
540 hdr
->hw_id
= htonl(board
->hw_id
);
541 hdr
->hw_rev
= htonl(board
->hw_rev
);
542 hdr
->hw_ver_add
= htonl(board
->hw_ver_add
);
544 if (boot_info
.file_size
== 0) {
545 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(hdr
->md5sum1
));
546 hdr
->boot_ofs
= htonl(0);
547 hdr
->boot_len
= htonl(0);
549 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(hdr
->md5sum1
));
550 hdr
->boot_ofs
= htonl(rootfs_ofs
+ rootfs_info
.file_size
);
551 hdr
->boot_len
= htonl(rootfs_info
.file_size
);
554 hdr
->kernel_la
= htonl(kernel_la
);
555 hdr
->kernel_ep
= htonl(kernel_ep
);
556 hdr
->fw_length
= htonl(layout
->fw_max_len
);
557 hdr
->kernel_ofs
= htonl(sizeof(struct fw_header
));
558 hdr
->kernel_len
= htonl(kernel_len
);
560 hdr
->rootfs_ofs
= htonl(rootfs_ofs
);
561 hdr
->rootfs_len
= htonl(rootfs_info
.file_size
);
564 hdr
->boot_ofs
= htonl(0);
565 hdr
->boot_len
= htonl(boot_info
.file_size
);
567 hdr
->unk2
= htonl(0);
568 hdr
->unk3
= htonl(0xffffffff);
569 hdr
->unk4
= htons(0x55aa);
572 hdr
->sver_hi
= sver_hi
;
573 hdr
->sver_lo
= sver_lo
;
575 hdr
->ver_hi
= fw_ver_hi
;
576 hdr
->ver_mid
= fw_ver_mid
;
577 hdr
->ver_lo
= fw_ver_lo
;
579 if (board
->flags
& FLAG_LE_KERNEL_LA_EP
) {
580 hdr
->kernel_la
= bswap_32(hdr
->kernel_la
);
581 hdr
->kernel_ep
= bswap_32(hdr
->kernel_ep
);
584 get_md5(buf
, len
, hdr
->md5sum1
);
587 static int pad_jffs2(char *buf
, int currlen
)
593 pad_mask
= (64 * 1024);
594 while ((len
< layout
->fw_max_len
) && (pad_mask
!= 0)) {
598 for (i
= 10; i
< 32; i
++) {
604 len
= ALIGN(len
, mask
);
606 for (i
= 10; i
< 32; i
++) {
608 if ((len
& (mask
- 1)) == 0)
612 for (i
= 0; i
< sizeof(jffs2_eof_mark
); i
++)
613 buf
[len
+ i
] = jffs2_eof_mark
[i
];
615 len
+= sizeof(jffs2_eof_mark
);
621 static int write_fw(char *data
, int len
)
624 int ret
= EXIT_FAILURE
;
626 f
= fopen(ofname
, "w");
628 ERRS("could not open \"%s\" for writing", ofname
);
633 fwrite(data
, len
, 1, f
);
635 ERRS("unable to write output file");
639 DBG("firmware file \"%s\" completed", ofname
);
646 if (ret
!= EXIT_SUCCESS
) {
653 static int build_fw(void)
658 int ret
= EXIT_FAILURE
;
661 buflen
= layout
->fw_max_len
;
663 buf
= malloc(buflen
);
665 ERR("no memory for buffer\n");
669 memset(buf
, 0xff, buflen
);
670 p
= buf
+ sizeof(struct fw_header
);
671 ret
= read_to_buf(&kernel_info
, p
);
675 writelen
= sizeof(struct fw_header
) + kernel_len
;
681 p
= buf
+ rootfs_ofs
;
683 ret
= read_to_buf(&rootfs_info
, p
);
688 writelen
+= rootfs_info
.file_size
;
690 writelen
= rootfs_ofs
+ rootfs_info
.file_size
;
693 writelen
= pad_jffs2(buf
, writelen
);
699 fill_header(buf
, writelen
);
700 ret
= write_fw(buf
, writelen
);
712 /* Helper functions to inspect_fw() representing different output formats */
713 static inline void inspect_fw_pstr(char *label
, char *str
)
715 printf("%-23s: %s\n", label
, str
);
718 static inline void inspect_fw_phex(char *label
, uint32_t val
)
720 printf("%-23s: 0x%08x\n", label
, val
);
723 static inline void inspect_fw_phexpost(char *label
,
724 uint32_t val
, char *post
)
726 printf("%-23s: 0x%08x (%s)\n", label
, val
, post
);
729 static inline void inspect_fw_phexdef(char *label
,
730 uint32_t val
, uint32_t defval
)
732 printf("%-23s: 0x%08x ", label
, val
);
735 printf("(== OpenWrt default)\n");
737 printf("(OpenWrt default: 0x%08x)\n", defval
);
740 static inline void inspect_fw_phexexp(char *label
,
741 uint32_t val
, uint32_t expval
)
743 printf("%-23s: 0x%08x ", label
, val
);
748 printf("(expected: 0x%08x)\n", expval
);
751 static inline void inspect_fw_phexdec(char *label
, uint32_t val
)
753 printf("%-23s: 0x%08x / %8u bytes\n", label
, val
, val
);
756 static inline void inspect_fw_phexdecdef(char *label
,
757 uint32_t val
, uint32_t defval
)
759 printf("%-23s: 0x%08x / %8u bytes ", label
, val
, val
);
762 printf("(== OpenWrt default)\n");
764 printf("(OpenWrt default: 0x%08x)\n", defval
);
767 static inline void inspect_fw_pmd5sum(char *label
, uint8_t *val
, char *text
)
771 printf("%-23s:", label
);
772 for (i
=0; i
<MD5SUM_LEN
; i
++)
773 printf(" %02x", val
[i
]);
774 printf(" %s\n", text
);
777 static int inspect_fw(void)
780 struct fw_header
*hdr
;
781 uint8_t md5sum
[MD5SUM_LEN
];
782 struct board_info
*board
;
783 int ret
= EXIT_FAILURE
;
785 buf
= malloc(inspect_info
.file_size
);
787 ERR("no memory for buffer!\n");
791 ret
= read_to_buf(&inspect_info
, buf
);
794 hdr
= (struct fw_header
*)buf
;
796 inspect_fw_pstr("File name", inspect_info
.file_name
);
797 inspect_fw_phexdec("File size", inspect_info
.file_size
);
799 switch(bswap_32(ntohl(hdr
->version
))) {
804 ERR("file does not seem to have V2/V3 header!\n");
808 inspect_fw_phexdec("Version 2 Header size", sizeof(struct fw_header
));
810 memcpy(md5sum
, hdr
->md5sum1
, sizeof(md5sum
));
811 if (ntohl(hdr
->boot_len
) == 0)
812 memcpy(hdr
->md5sum1
, md5salt_normal
, sizeof(md5sum
));
814 memcpy(hdr
->md5sum1
, md5salt_boot
, sizeof(md5sum
));
815 get_md5(buf
, inspect_info
.file_size
, hdr
->md5sum1
);
817 if (memcmp(md5sum
, hdr
->md5sum1
, sizeof(md5sum
))) {
818 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(*ERROR*)");
819 inspect_fw_pmd5sum(" --> expected", hdr
->md5sum1
, "");
821 inspect_fw_pmd5sum("Header MD5Sum1", md5sum
, "(ok)");
823 if (ntohl(hdr
->unk2
) != 0)
824 inspect_fw_phexdec("Unknown value 2", hdr
->unk2
);
825 inspect_fw_pmd5sum("Header MD5Sum2", hdr
->md5sum2
,
826 "(purpose yet unknown, unchecked here)");
828 if (ntohl(hdr
->unk3
) != 0xffffffff)
829 inspect_fw_phexdec("Unknown value 3", hdr
->unk3
);
831 if (ntohs(hdr
->unk4
) != 0x55aa)
832 inspect_fw_phexdec("Unknown value 4", hdr
->unk4
);
834 if (hdr
->unk5
!= 0xa5)
835 inspect_fw_phexdec("Unknown value 5", hdr
->unk5
);
839 inspect_fw_pstr("Firmware version", hdr
->fw_version
);
841 board
= find_board_by_hwid(ntohl(hdr
->hw_id
));
843 layout
= find_layout(board
->layout_id
);
844 inspect_fw_phexpost("Hardware ID",
845 ntohl(hdr
->hw_id
), board
->id
);
846 inspect_fw_phexexp("Hardware Revision",
847 ntohl(hdr
->hw_rev
), board
->hw_rev
);
848 inspect_fw_phexexp("Additional HW Version",
849 ntohl(hdr
->hw_ver_add
), board
->hw_ver_add
);
851 inspect_fw_phexpost("Hardware ID",
852 ntohl(hdr
->hw_id
), "unknown");
853 inspect_fw_phex("Hardware Revision",
855 inspect_fw_phex("Additional HW Version",
856 ntohl(hdr
->hw_ver_add
));
859 printf("%-23s: %d.%d.%d-%d.%d\n", "Software version",
860 hdr
->ver_hi
, hdr
->ver_mid
, hdr
->ver_lo
,
861 hdr
->sver_hi
, hdr
->sver_lo
);
865 inspect_fw_phexdec("Kernel data offset",
866 ntohl(hdr
->kernel_ofs
));
867 inspect_fw_phexdec("Kernel data length",
868 ntohl(hdr
->kernel_len
));
870 inspect_fw_phexdef("Kernel load address",
871 ntohl(hdr
->kernel_la
),
872 layout
? layout
->kernel_la
: 0xffffffff);
873 inspect_fw_phexdef("Kernel entry point",
874 ntohl(hdr
->kernel_ep
),
875 layout
? layout
->kernel_ep
: 0xffffffff);
876 inspect_fw_phexdecdef("Rootfs data offset",
877 ntohl(hdr
->rootfs_ofs
),
878 layout
? layout
->rootfs_ofs
: 0xffffffff);
880 inspect_fw_phex("Kernel load address",
881 ntohl(hdr
->kernel_la
));
882 inspect_fw_phex("Kernel entry point",
883 ntohl(hdr
->kernel_ep
));
884 inspect_fw_phexdec("Rootfs data offset",
885 ntohl(hdr
->rootfs_ofs
));
887 inspect_fw_phexdec("Rootfs data length",
888 ntohl(hdr
->rootfs_len
));
889 inspect_fw_phexdec("Boot loader data offset",
890 ntohl(hdr
->boot_ofs
));
891 inspect_fw_phexdec("Boot loader data length",
892 ntohl(hdr
->boot_len
));
893 inspect_fw_phexdec("Total firmware length",
894 ntohl(hdr
->fw_length
));
902 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
903 sprintf(filename
, "%s-kernel", inspect_info
.file_name
);
904 printf("Extracting kernel to \"%s\"...\n", filename
);
905 fp
= fopen(filename
, "w");
907 if (!fwrite(buf
+ ntohl(hdr
->kernel_ofs
),
908 ntohl(hdr
->kernel_len
), 1, fp
)) {
909 ERR("error in fwrite(): %s", strerror(errno
));
913 ERR("error in fopen(): %s", strerror(errno
));
917 filename
= malloc(strlen(inspect_info
.file_name
) + 8);
918 sprintf(filename
, "%s-rootfs", inspect_info
.file_name
);
919 printf("Extracting rootfs to \"%s\"...\n", filename
);
920 fp
= fopen(filename
, "w");
922 if (!fwrite(buf
+ ntohl(hdr
->rootfs_ofs
),
923 ntohl(hdr
->rootfs_len
), 1, fp
)) {
924 ERR("error in fwrite(): %s", strerror(errno
));
928 ERR("error in fopen(): %s", strerror(errno
));
939 int main(int argc
, char *argv
[])
941 int ret
= EXIT_FAILURE
;
946 progname
= basename(argv
[0]);
951 c
= getopt(argc
, argv
, "a:B:H:E:F:L:V:N:W:w:ci:k:r:R:o:xhsjv:y:T:e");
957 sscanf(optarg
, "0x%x", &rootfs_align
);
966 sscanf(optarg
, "0x%x", &kernel_ep
);
975 opt_hw_ver_add
= optarg
;
978 sscanf(optarg
, "0x%x", &kernel_la
);
996 kernel_info
.file_name
= optarg
;
999 rootfs_info
.file_name
= optarg
;
1002 sscanf(optarg
, "0x%x", &rootfs_ofs
);
1011 inspect_info
.file_name
= optarg
;
1020 hdr_ver
= atoi(optarg
);
1023 custom_board
.flags
= FLAG_LE_KERNEL_LA_EP
;
1026 usage(EXIT_SUCCESS
);
1029 usage(EXIT_FAILURE
);
1034 ret
= check_options();
1038 if (!inspect_info
.file_name
)