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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@3198 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-02-09 03:21:01 +00:00
parent e9dfcbece9
commit 9e3ab7a0fb
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 include $(TOPDIR)/rules.mk
PKG_NAME := mtd PKG_NAME := mtd
PKG_RELEASE := 3 PKG_RELEASE := 4
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME) PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

113
openwrt/package/mtd/mtd.c
View File

@ -48,6 +48,10 @@
#define DEBUG #define DEBUG
#define SYSTYPE_UNKNOWN 0
#define SYSTYPE_BROADCOM 1
/* to be continued */
struct trx_header { struct trx_header {
uint32_t magic; /* "HDR0" */ uint32_t magic; /* "HDR0" */
uint32_t len; /* Length of file including header */ uint32_t len; /* Length of file including header */
@ -60,20 +64,29 @@ char buf[BUFSIZE];
int buflen; int buflen;
int 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; struct mtd_info_user mtdInfo;
int fd; int fd;
size_t count;
struct trx_header *trx = (struct trx_header *) buf;
struct stat trxstat;
buflen = read(imagefd, buf, sizeof(struct trx_header)); buflen = read(imagefd, buf, 32);
if (buflen < sizeof(struct trx_header)) { if (buflen < 32) {
fprintf(stderr, "Could not get trx header, file too small (%ld bytes)\n", buflen); fprintf(stdout, "Could not get image header, file too small (%ld bytes)\n", buflen);
return 0; 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)) { if (trx->magic != TRX_MAGIC || trx->len < sizeof(struct trx_header)) {
fprintf(stderr, "Bad trx header\n"); fprintf(stderr, "Bad trx header\n");
fprintf(stderr, "If this is a firmware in bin format, like some of the\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; 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) int mtd_check(char *mtd)
{ {
struct mtd_info_user mtdInfo; struct mtd_info_user mtdInfo;
@ -143,7 +183,6 @@ mtd_unlock(const char *mtd)
exit(1); exit(1);
} }
fprintf(stderr, "Unlocking %s ...\n", mtd);
mtdLockInfo.start = 0; mtdLockInfo.start = 0;
mtdLockInfo.length = mtdInfo.size; mtdLockInfo.length = mtdInfo.size;
if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) { if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) {
@ -195,7 +234,6 @@ mtd_erase(const char *mtd)
exit(1); exit(1);
} }
fprintf(stderr, "Erasing %s ...\n", mtd);
mtdEraseInfo.length = mtdInfo.erasesize; mtdEraseInfo.length = mtdInfo.erasesize;
for (mtdEraseInfo.start = 0; for (mtdEraseInfo.start = 0;
@ -216,7 +254,7 @@ mtd_erase(const char *mtd)
} }
int int
mtd_write(int imagefd, const char *mtd) mtd_write(int imagefd, const char *mtd, int quiet)
{ {
int fd, i, result; int fd, i, result;
size_t r, w, e; size_t r, w, e;
@ -236,7 +274,8 @@ mtd_write(int imagefd, const char *mtd)
} }
r = w = e = 0; r = w = e = 0;
fprintf(stderr, " [ ]"); if (!quiet)
fprintf(stderr, " [ ]");
for (;;) { for (;;) {
/* buffer may contain data already (from trx check) */ /* buffer may contain data already (from trx check) */
@ -252,7 +291,8 @@ mtd_write(int imagefd, const char *mtd)
mtdEraseInfo.start = e; mtdEraseInfo.start = e;
mtdEraseInfo.length = mtdInfo.erasesize; mtdEraseInfo.length = mtdInfo.erasesize;
fprintf(stderr, "\b\b\b[e]"); if (!quiet)
fprintf(stderr, "\b\b\b[e]");
/* erase the chunk */ /* erase the chunk */
if (ioctl (fd,MEMERASE,&mtdEraseInfo) < 0) { if (ioctl (fd,MEMERASE,&mtdEraseInfo) < 0) {
fprintf(stderr, "Erasing mtd failed: %s\n", mtd); fprintf(stderr, "Erasing mtd failed: %s\n", mtd);
@ -261,7 +301,8 @@ mtd_write(int imagefd, const char *mtd)
e += mtdInfo.erasesize; e += mtdInfo.erasesize;
} }
fprintf(stderr, "\b\b\b[w]"); if (!quiet)
fprintf(stderr, "\b\b\b[w]");
if ((result = write(fd, buf, r)) < r) { if ((result = write(fd, buf, r)) < r) {
if (result < 0) { if (result < 0) {
@ -275,7 +316,8 @@ mtd_write(int imagefd, const char *mtd)
buflen = 0; buflen = 0;
} }
fprintf(stderr, "\b\b\b\b"); if (!quiet)
fprintf(stderr, "\b\b\b\b");
return 0; return 0;
} }
@ -289,6 +331,7 @@ void usage(void)
" erase erase all data on device\n" " erase erase all data on device\n"
" write <imagefile>|- write <imagefile> (use - for stdin) to device\n" " write <imagefile>|- write <imagefile> (use - for stdin) to device\n"
"Following options are available:\n" "Following options are available:\n"
" -q quiet mode\n"
" -r reboot after successful command\n" " -r reboot after successful command\n"
" -f force write without trx checks\n" " -f force write without trx checks\n"
" -e <device> erase <device> before executing the command\n\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 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; char *erase[MAX_ARGS], *device, *imagefile;
enum { enum {
CMD_ERASE, CMD_ERASE,
@ -311,8 +354,9 @@ int main (int argc, char **argv)
boot = 0; boot = 0;
force = 0; force = 0;
buflen = 0; buflen = 0;
quiet = 0;
while ((ch = getopt(argc, argv, "fre:")) != -1) while ((ch = getopt(argc, argv, "frqe:")) != -1)
switch (ch) { switch (ch) {
case 'f': case 'f':
force = 1; force = 1;
@ -320,6 +364,9 @@ int main (int argc, char **argv)
case 'r': case 'r':
boot = 1; boot = 1;
break; break;
case 'q':
quiet = 1;
break;
case 'e': case 'e':
i = 0; i = 0;
while ((erase[i] != NULL) && ((i + 1) < MAX_ARGS)) 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 */
/* check trx file before erasing or writing anything */ if (!image_check(imagefd, device)) {
if (!trx_check(imagefd, device)) { if (!quiet && force)
fprintf(stderr, "TRX check failed!\n"); fprintf(stderr, "TRX check failed!\n");
if (!force) if (!force)
exit(1); exit(1);
}
} else { } else {
if (!mtd_check(device)) { if (!mtd_check(device)) {
fprintf(stderr, "Can't open device for writing!\n"); fprintf(stderr, "Can't open device for writing!\n");
@ -380,14 +426,25 @@ int main (int argc, char **argv)
sync(); sync();
i = 0; i = 0;
unlocked = 0;
while (erase[i] != NULL) { while (erase[i] != NULL) {
if (!quiet)
fprintf(stderr, "Unlocking %s ...\n", erase[i]);
mtd_unlock(erase[i]); mtd_unlock(erase[i]);
if (!quiet)
fprintf(stderr, "Erasing %s ...\n", erase[i]);
mtd_erase(erase[i]); mtd_erase(erase[i]);
if (strcmp(erase[i], device) == 0)
unlocked = 1;
i++; i++;
} }
mtd_unlock(device); if (!unlocked) {
if (!quiet)
fprintf(stderr, "Unlocking %s ...\n", device);
mtd_unlock(device);
}
switch (cmd) { switch (cmd) {
case CMD_UNLOCK: case CMD_UNLOCK:
break; break;
@ -395,9 +452,11 @@ int main (int argc, char **argv)
mtd_erase(device); mtd_erase(device);
break; break;
case CMD_WRITE: case CMD_WRITE:
fprintf(stderr, "Writing from %s to %s ... ", imagefile, device); if (!quiet)
mtd_write(imagefd, device); fprintf(stderr, "Writing from %s to %s ... ", imagefile, device);
fprintf(stderr, "\n"); mtd_write(imagefd, device, quiet);
if (!quiet)
fprintf(stderr, "\n");
break; break;
} }