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add wrt54g(s) image support to mtd (required for webif firmware update rewrite)

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SVN-Revision: 3198
This commit is contained in:
Felix Fietkau 2006-02-09 03:21:01 +00:00
parent 935372297a
commit 92a4d694d9
2 changed files with 87 additions and 28 deletions
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2
openwrt/package/mtd/Makefile
View File

@ -3,7 +3,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME := mtd
PKG_RELEASE := 3
PKG_RELEASE := 4
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

91
openwrt/package/mtd/mtd.c
View File

@ -48,6 +48,10 @@
#define DEBUG
#define SYSTYPE_UNKNOWN 0
#define SYSTYPE_BROADCOM 1
/* to be continued */
struct trx_header {
uint32_t magic; /* "HDR0" */
uint32_t len; /* Length of file including header */
@ -60,20 +64,29 @@ char buf[BUFSIZE];
int buflen;
int
trx_check(int imagefd, const char *mtd)
image_check_bcom(int imagefd, const char *mtd)
{
struct trx_header *trx = (struct trx_header *) buf;
struct mtd_info_user mtdInfo;
int fd;
size_t count;
struct trx_header *trx = (struct trx_header *) buf;
struct stat trxstat;
buflen = read(imagefd, buf, sizeof(struct trx_header));
if (buflen < sizeof(struct trx_header)) {
fprintf(stderr, "Could not get trx header, file too small (%ld bytes)\n", buflen);
buflen = read(imagefd, buf, 32);
if (buflen < 32) {
fprintf(stdout, "Could not get image header, file too small (%ld bytes)\n", buflen);
return 0;
}
switch(trx->magic) {
case 0x47343557: /* W54G */
case 0x53343557: /* W54S */
case 0x73343557: /* W54s */
case 0x46343557: /* W54F */
case 0x55343557: /* W54U */
/* ignore the first 32 bytes */
buflen = read(imagefd, buf, sizeof(struct trx_header));
break;
}
if (trx->magic != TRX_MAGIC || trx->len < sizeof(struct trx_header)) {
fprintf(stderr, "Bad trx header\n");
fprintf(stderr, "If this is a firmware in bin format, like some of the\n"
@ -103,6 +116,33 @@ trx_check(int imagefd, const char *mtd)
return 1;
}
int
image_check(int imagefd, const char *mtd)
{
int fd, systype;
size_t count;
char *c;
FILE *f;
systype = SYSTYPE_UNKNOWN;
f = fopen("/proc/cpuinfo", "r");
while (!feof(f) && (fgets(buf, BUFSIZE - 1, f) != NULL)) {
if ((strncmp(buf, "system type", 11) == 0) && (c = strchr(buf, ':'))) {
c += 2;
if (strncmp(c, "Broadcom BCM947XX", 17) == 0)
systype = SYSTYPE_BROADCOM;
}
}
fclose(f);
switch(systype) {
case SYSTYPE_BROADCOM:
return image_check_bcom(imagefd, mtd);
default:
return 1;
}
}
int mtd_check(char *mtd)
{
struct mtd_info_user mtdInfo;
@ -143,7 +183,6 @@ mtd_unlock(const char *mtd)
exit(1);
}
fprintf(stderr, "Unlocking %s ...\n", mtd);
mtdLockInfo.start = 0;
mtdLockInfo.length = mtdInfo.size;
if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) {
@ -195,7 +234,6 @@ mtd_erase(const char *mtd)
exit(1);
}
fprintf(stderr, "Erasing %s ...\n", mtd);
mtdEraseInfo.length = mtdInfo.erasesize;
for (mtdEraseInfo.start = 0;
@ -216,7 +254,7 @@ mtd_erase(const char *mtd)
}
int
mtd_write(int imagefd, const char *mtd)
mtd_write(int imagefd, const char *mtd, int quiet)
{
int fd, i, result;
size_t r, w, e;
@ -236,6 +274,7 @@ mtd_write(int imagefd, const char *mtd)
}
r = w = e = 0;
if (!quiet)
fprintf(stderr, " [ ]");
for (;;) {
@ -252,6 +291,7 @@ mtd_write(int imagefd, const char *mtd)
mtdEraseInfo.start = e;
mtdEraseInfo.length = mtdInfo.erasesize;
if (!quiet)
fprintf(stderr, "\b\b\b[e]");
/* erase the chunk */
if (ioctl (fd,MEMERASE,&mtdEraseInfo) < 0) {
@ -261,6 +301,7 @@ mtd_write(int imagefd, const char *mtd)
e += mtdInfo.erasesize;
}
if (!quiet)
fprintf(stderr, "\b\b\b[w]");
if ((result = write(fd, buf, r)) < r) {
@ -275,6 +316,7 @@ mtd_write(int imagefd, const char *mtd)
buflen = 0;
}
if (!quiet)
fprintf(stderr, "\b\b\b\b");
return 0;
@ -289,6 +331,7 @@ void usage(void)
" erase erase all data on device\n"
" write <imagefile>|- write <imagefile> (use - for stdin) to device\n"
"Following options are available:\n"
" -q quiet mode\n"
" -r reboot after successful command\n"
" -f force write without trx checks\n"
" -e <device> erase <device> before executing the command\n\n"
@ -299,7 +342,7 @@ void usage(void)
int main (int argc, char **argv)
{
int ch, i, boot, unlock, imagefd, force;
int ch, i, boot, unlock, imagefd, force, quiet, unlocked;
char *erase[MAX_ARGS], *device, *imagefile;
enum {
CMD_ERASE,
@ -311,8 +354,9 @@ int main (int argc, char **argv)
boot = 0;
force = 0;
buflen = 0;
quiet = 0;
while ((ch = getopt(argc, argv, "fre:")) != -1)
while ((ch = getopt(argc, argv, "frqe:")) != -1)
switch (ch) {
case 'f':
force = 1;
@ -320,6 +364,9 @@ int main (int argc, char **argv)
case 'r':
boot = 1;
break;
case 'q':
quiet = 1;
break;
case 'e':
i = 0;
while ((erase[i] != NULL) && ((i + 1) < MAX_ARGS))
@ -360,13 +407,12 @@ int main (int argc, char **argv)
}
}
if (system("grep Broadcom /proc/cpuinfo >&- >&-") == 0) {
/* check trx file before erasing or writing anything */
if (!trx_check(imagefd, device)) {
if (!image_check(imagefd, device)) {
if (!quiet && force)
fprintf(stderr, "TRX check failed!\n");
if (!force)
exit(1);
}
} else {
if (!mtd_check(device)) {
fprintf(stderr, "Can't open device for writing!\n");
@ -380,13 +426,24 @@ int main (int argc, char **argv)
sync();
i = 0;
unlocked = 0;
while (erase[i] != NULL) {
if (!quiet)
fprintf(stderr, "Unlocking %s ...\n", erase[i]);
mtd_unlock(erase[i]);
if (!quiet)
fprintf(stderr, "Erasing %s ...\n", erase[i]);
mtd_erase(erase[i]);
if (strcmp(erase[i], device) == 0)
unlocked = 1;
i++;
}
if (!unlocked) {
if (!quiet)
fprintf(stderr, "Unlocking %s ...\n", device);
mtd_unlock(device);
}
switch (cmd) {
case CMD_UNLOCK:
@ -395,8 +452,10 @@ int main (int argc, char **argv)
mtd_erase(device);
break;
case CMD_WRITE:
if (!quiet)
fprintf(stderr, "Writing from %s to %s ... ", imagefile, device);
mtd_write(imagefd, device);
mtd_write(imagefd, device, quiet);
if (!quiet)
fprintf(stderr, "\n");
break;
}