forked from openwrt/openwrt
-
-
Notifications
You must be signed in to change notification settings - Fork 5
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
ramips: add missing information to dlink headers
Add additional header information required for newer bootloaders found on DIR-2660-A1 & A2. Also remove the MTD splitter compatible from the second firmware partition, as OpenWrt only supports handling of the first one. Signed-off-by: Alan Luck <luckyhome2008@gmail.com> [rephrase commit message, remove removal of read-only flags] Signed-off-by: David Bauer <mail@david-bauer.net>
- Loading branch information
1 parent
5269c47
commit 2c9a07e
Showing
5 changed files
with
179 additions
and
8 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,167 @@ | ||
// SPDX-License-Identifier: GPL-2.0-or-later | ||
/* | ||
* uimage_sgehdr.c : add 96 bytes of extra header information after the normal tail of uimage header | ||
* this is an edited version of uimage_padhdr.c | ||
* | ||
* Copyright (C) 2019 NOGUCHI Hiroshi <drvlabo@gmail.com> | ||
*/ | ||
|
||
#include <stdio.h> | ||
#include <errno.h> | ||
#include <unistd.h> | ||
#include <stdlib.h> | ||
#include <string.h> | ||
#include <fcntl.h> | ||
#include <sys/stat.h> | ||
#include <arpa/inet.h> | ||
#include <zlib.h> | ||
|
||
|
||
/* from u-boot/include/image.h */ | ||
#define IH_NMLEN 32 /* Image Name Length */ | ||
#define SGE_PRODUCTLEN 64 /* sge_Product Length */ | ||
#define SGE_VERSIONLEN 16 /* sge Version Length */ | ||
#define OrignalHL 64 /* Original Header Length */ | ||
|
||
/* | ||
* SGE format image header, | ||
* all data in network byte order (aka natural aka bigendian). | ||
*/ | ||
struct image_header { | ||
uint32_t ih_magic; /* Image Header Magic Number */ | ||
uint32_t ih_hcrc; /* Image Header CRC Checksum */ | ||
uint32_t ih_time; /* Image Creation Timestamp */ | ||
uint32_t ih_size; /* Image Data Size */ | ||
uint32_t ih_load; /* Data Load Address */ | ||
uint32_t ih_ep; /* Entry Point Address */ | ||
uint32_t ih_dcrc; /* Image Data CRC Checksum */ | ||
uint8_t ih_os; /* Operating System */ | ||
uint8_t ih_arch; /* CPU architecture */ | ||
uint8_t ih_type; /* Image Type */ | ||
uint8_t ih_comp; /* Compression Type */ | ||
uint8_t ih_name[IH_NMLEN]; /* Image Name */ | ||
uint8_t sgeih_p[SGE_PRODUCTLEN]; /* sge_Product */ | ||
uint8_t sgeih_sv[SGE_VERSIONLEN]; /* sge Software Version */ | ||
uint8_t sgeih_hv[SGE_VERSIONLEN]; /* sge Hardware Version */ | ||
}; | ||
|
||
|
||
/* default padding size */ | ||
#define IH_PAD_BYTES (96) | ||
|
||
|
||
static void usage(char *prog) | ||
{ | ||
fprintf(stderr, | ||
"%s -i <input_uimage_file> -o <output_file> -m <model> -h <hardware version> -s <software version>\n", | ||
prog); | ||
} | ||
|
||
int main(int argc, char *argv[]) | ||
{ | ||
struct stat statbuf; | ||
u_int8_t *filebuf; | ||
int ifd; | ||
int ofd; | ||
ssize_t rsz; | ||
u_int32_t crc_recalc; | ||
struct image_header *imgh; | ||
int opt; | ||
char *infname = NULL; | ||
char *outfname = NULL; | ||
char *model = NULL; | ||
char *hversion = NULL; | ||
char *sversion = NULL; | ||
int padsz = IH_PAD_BYTES; | ||
int ltmp; | ||
|
||
while ((opt = getopt(argc, argv, "i:o:m:h:s:")) != -1) { | ||
switch (opt) { | ||
case 'i': | ||
infname = optarg; | ||
break; | ||
case 'o': | ||
outfname = optarg; | ||
break; | ||
case 'm': | ||
model = optarg; | ||
break; | ||
case 'h': | ||
hversion = optarg; | ||
break; | ||
case 's': | ||
sversion = optarg; | ||
break; | ||
default: | ||
break; | ||
} | ||
} | ||
|
||
if (!infname || !outfname) { | ||
usage(argv[0]); | ||
exit(1); | ||
} | ||
|
||
ifd = open(infname, O_RDONLY); | ||
if (ifd < 0) { | ||
fprintf(stderr, | ||
"could not open input file. (errno = %d)\n", errno); | ||
exit(1); | ||
} | ||
|
||
ofd = open(outfname, O_WRONLY | O_CREAT, 0644); | ||
if (ofd < 0) { | ||
fprintf(stderr, | ||
"could not open output file. (errno = %d)\n", errno); | ||
exit(1); | ||
} | ||
|
||
if (fstat(ifd, &statbuf) < 0) { | ||
fprintf(stderr, | ||
"could not fstat input file. (errno = %d)\n", errno); | ||
exit(1); | ||
} | ||
|
||
filebuf = malloc(statbuf.st_size + padsz); | ||
if (!filebuf) { | ||
fprintf(stderr, "buffer allocation failed\n"); | ||
exit(1); | ||
} | ||
|
||
rsz = read(ifd, filebuf, OrignalHL); | ||
if (rsz != OrignalHL) { | ||
fprintf(stderr, | ||
"could not read input file (errno = %d).\n", errno); | ||
exit(1); | ||
} | ||
|
||
memset(&(filebuf[OrignalHL]), 0, padsz); | ||
|
||
rsz = read(ifd, &(filebuf[sizeof(*imgh)]), | ||
statbuf.st_size - OrignalHL); | ||
if (rsz != (int32_t)(statbuf.st_size - OrignalHL)) { | ||
fprintf(stderr, | ||
"could not read input file (errno = %d).\n", errno); | ||
exit(1); | ||
} | ||
|
||
imgh = (struct image_header *)filebuf; | ||
|
||
imgh->ih_hcrc = 0; | ||
|
||
strncpy(imgh->sgeih_p, model, sizeof(imgh->sgeih_p)); | ||
strncpy(imgh->sgeih_sv, sversion, sizeof(imgh->sgeih_sv)); | ||
strncpy(imgh->sgeih_hv, hversion, sizeof(imgh->sgeih_hv)); | ||
|
||
crc_recalc = crc32(0, filebuf, sizeof(*imgh)); | ||
imgh->ih_hcrc = htonl(crc_recalc); | ||
|
||
rsz = write(ofd, filebuf, statbuf.st_size + padsz); | ||
if (rsz != (int32_t)statbuf.st_size + padsz) { | ||
fprintf(stderr, | ||
"could not write output file (errnor = %d).\n", errno); | ||
exit(1); | ||
} | ||
|
||
return 0; | ||
} |