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make images that can be flashed using the stock firmware web interface, thanks to Anselmo Luginbuhl and Daniel Dickinson (#4909, #4943)

Browse Source 
SVN-Revision: 15253
v19.07.3_mercusys_ac12_duma
Florian Fainelli 15 years ago
parent 08ae0cd8d2
commit 1f334e3caa
3 changed files with 110 additions and 40 deletions
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14
target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm_tag.h
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@ -14,17 +14,21 @@ struct bcm_tag {
unsigned char totalLength[IMAGE_LEN]; //Total length of image
unsigned char cfeAddress[ADDRESS_LEN]; // Address in memory of CFE
unsigned char cfeLength[IMAGE_LEN]; // Size of CFE
unsigned char rootAddress[ADDRESS_LEN]; // Address in memory of rootfs
unsigned char rootLength[IMAGE_LEN]; // Size of rootfs
unsigned char cfeRootAddress[ADDRESS_LEN]; // Address in memory of rootfs
unsigned char cfeRootLength[IMAGE_LEN]; // Size of rootfs
unsigned char kernelAddress[ADDRESS_LEN]; // Address in memory of kernel
unsigned char kernelLength[IMAGE_LEN]; // Size of kernel
unsigned char dualImage[2]; // Unused at present
unsigned char inactiveFlag[2]; // Unused at present
unsigned char reserved1[74]; // Reserved area not in use
unsigned char imageCRC[4]; // CRC32 of images
unsigned char reserved2[16]; // Unused at present
unsigned char headerCRC[4]; // CRC32 of header excluding tagVersion
unsigned char reserved3[16]; // Unused at present
// unsigned char reserved2[16]; // Unused at present
unsigned char reserved2[4]; //Unused
unsigned char rootAddress[ADDRESS_LEN]; // Address in memory of rootfs
unsigned char headerCRC[4]; // CRC32 of header excluding tagVersion
// unsigned char reserved3[16]; // Unused at present
unsigned char reserved3[6]; // Unused at present
unsigned char rootLength[IMAGE_LEN]; // Size of rootfs
};
#endif /* __BCM63XX_TAG_H */

4
target/linux/brcm63xx/image/Makefile
Unescape Escape View File

@ -34,7 +34,6 @@ define Image/Build/CFE
-b $(2) -c $(3) -e $(LOADADDR) -l $(LOADADDR)
# -b $(2) -c $(3) -e $(KERNEL_ENTRY) -l $(LOADADDR)
$(call prepare_generic_squashfs,$(BIN_DIR)/openwrt-$(2)-$(1)-cfe.bin)
endef
define Image/Build/CFEAGPF
@ -42,8 +41,7 @@ define Image/Build/CFEAGPF
$(STAGING_DIR_HOST)/bin/imagetag -i $(KDIR)/vmlinux.lzma.cfe -f $(KDIR)/root.$(1) \
-o $(BIN_DIR)/openwrt-$(2)-$(1)-cfe.bin \
-b $(2) -c $(3) -e $(LOADADDR) -l $(LOADADDR) \
-v 8 -m IMAGE -k 0x20000 -n $(4)
$(call prepare_generic_squashfs,$(BIN_DIR)/openwrt-$(2)-$(1)-cfe.bin)
-v 8 -m IMAGE -k 0x20000 -n $(4) -p alice
endef
define Image/Build/RedBoot

132
tools/firmware-utils/src/imagetag.c
Unescape Escape View File

@ -23,6 +23,7 @@
#define DEFAULT_FW_OFFSET 0x10000
#define DEFAULT_FLASH_START 0xBFC00000
#define DEFAULT_FLASH_BS (64 * 1024)
#define DEADCODE 0xDEADC0DE
/* Kernel header */
struct kernelhdr {
@ -47,15 +48,19 @@ struct imagetag {
uint8_t bigendian[2]; /* 60 - 61: "1" for big endian, "0" for little endian */
uint8_t imagelen[10]; /* 62 - 71: The length of all data that follows */
struct imagecomp cfe; /* 72 - 93: The offset and length of CFE */
struct imagecomp rootfs; /* 94 - 115: The offset and length of the root file system */
struct imagecomp rootfs; /* 94 - 115: The offset and length of the root file system */
struct imagecomp kernel; /* 116 - 137: The offset and length of the kernel */
uint8_t dualimage[2]; /* 138 - 139: use "0" here */
uint8_t inactive[2]; /* 140 - 141: use "0" here */
uint8_t reserved1[74]; /* 142 - 215: reserved */
uint32_t imagecrc; /* 216 - 219: crc of the images (net byte order) */
uint8_t reserved2[16]; /* 220 - 235: reserved */
// uint8_t reserved2[16]; /* 220 - 235: reserved */
uint8_t reserved2[4]; /* 220 - 223: reserved */
uint8_t wrtrootfsaddr[12]; /* 224 - 235: wrt rootfs address */
uint32_t headercrc; /* 236 - 239: crc starting from sig1 until headercrc (net byte order) */
uint8_t reserved3[16]; /* 240 - 255: reserved */
// uint8_t reserved3[16]; /* 240 - 255: reserved */
uint8_t reserved3[6]; /* 240 - 245: reserved */
uint8_t wrtrootfslen[10]; /* 246 - 255: wrt rootfs lenght */
};
static uint32_t crc32tab[256] = {
@ -101,6 +106,29 @@ uint32_t crc32(uint32_t crc, uint8_t *data, size_t len)
return crc;
}
uint32_t compute_crc32(uint32_t crc, FILE *binfile, size_t compute_start, size_t compute_len)
{
uint8_t readbuf[1024];
size_t read;
fseek(binfile, compute_start, SEEK_SET);
/* read block of 1024 bytes */
while (binfile && !feof(binfile) && !ferror(binfile) && (compute_len >= sizeof(readbuf))) {
read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), binfile);
crc = crc32(crc, readbuf, read);
compute_len = compute_len - read;
}
/* Less than 1024 bytes remains, read compute_len bytes */
if (binfile && !feof(binfile) && !ferror(binfile) && (compute_len > 0)) {
read = fread(readbuf, sizeof(uint8_t), compute_len, binfile);
crc = crc32(crc, readbuf, read);
}
return crc;
}
size_t getlen(FILE *fp)
{
size_t retval, curpos;
@ -119,14 +147,16 @@ size_t getlen(FILE *fp)
int tagfile(const char *kernel, const char *rootfs, const char *bin,
const char *boardid, const char *chipid, const uint32_t fwaddr,
const uint32_t loadaddr, const uint32_t entry,
const char *ver, const char *magic2, const uint32_t flash_bs)
const char *ver, const char *magic2, const uint32_t flash_bs,
const char *profile)
{
struct imagetag tag;
struct kernelhdr khdr;
FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
size_t kerneloff, kernellen, rootfsoff, rootfslen, read;
size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen;
uint8_t readbuf[1024];
uint32_t crc;
uint32_t crc = IMAGETAG_CRC_START;
const uint32_t deadcode = htonl(DEADCODE);
memset(&tag, 0, sizeof(struct imagetag));
@ -150,7 +180,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
return 1;
}
if (!bin || !(binfile = fopen(bin, "wb"))) {
if (!bin || !(binfile = fopen(bin, "wb+"))) {
fprintf(stderr, "Unable to open output file \"%s\"\n", bin);
return 1;
}
@ -172,18 +202,17 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
rootfsoff = (rootfsoff % flash_bs) > 0 ? (((rootfsoff / flash_bs) + 1) * flash_bs) : rootfsoff;
rootfslen = getlen(rootfsfile);
rootfslen = (rootfslen % flash_bs) > 0 ? (((rootfslen / flash_bs) + 1) * flash_bs) : rootfslen;
imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode);
/* Seek to the start of the kernel */
fseek(binfile, kerneloff - fwaddr, SEEK_SET);
/* Write the kernel header */
crc = crc32(IMAGETAG_CRC_START, (uint8_t*)&khdr, sizeof(khdr));
fwrite(&khdr, sizeof(khdr), 1, binfile);
/* Write the kernel */
while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) {
read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), kernelfile);
crc = crc32(crc, readbuf, read);
fwrite(readbuf, sizeof(uint8_t), read, binfile);
}
@ -191,10 +220,27 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
fseek(binfile, rootfsoff - fwaddr, SEEK_SET);
while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) {
read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), rootfsfile);
//crc = crc32(crc, readbuf, read);
fwrite(readbuf, sizeof(uint8_t), read, binfile);
}
/* Align image to specified erase block size and append deadc0de */
printf("Data alignment to %dk with 'deadc0de' appended\n", flash_bs/1024);
fseek(binfile, rootfsoff + rootfslen - fwaddr, SEEK_SET);
fwrite(&deadcode, sizeof(uint32_t), 1, binfile);
/* Choose and compute the CRC32 that should be inserted in the tag */
/* and fill reserved tag following profile specification */
if ( profile && (strcmp(profile, "alice") == 0)) {
crc = compute_crc32(crc, binfile, kerneloff - fwaddr, kernellen);
/* Should fill alice_data and put them on reserved1 */
}
else {
/* Compute the crc32 of the entire image (deadC0de included) */
crc = compute_crc32(crc, binfile, kerneloff - fwaddr, imagelen);
}
/* Close the files */
fclose(kernelfile);
fclose(rootfsfile);
@ -206,7 +252,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
strcpy(tag.chipid, chipid);
strcpy(tag.boardid, boardid);
strcpy(tag.bigendian, "1");
sprintf(tag.imagelen, "%lu", kernellen + rootfslen);
sprintf(tag.imagelen, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.cfe.address, "0");
@ -218,8 +264,10 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
}
if (rootfsfile) {
sprintf(tag.rootfs.address, "%lu", rootfsoff);
sprintf(tag.rootfs.len, "%lu", rootfslen);
sprintf(tag.rootfs.address, "%lu", kerneloff);
sprintf(tag.rootfs.len, "%lu", rootfslen + sizeof(deadcode));
sprintf(tag.wrtrootfsaddr, "%lu", rootfsoff);
sprintf(tag.wrtrootfslen, "%lu", rootfslen);
}
tag.imagecrc = htonl(crc);
@ -236,11 +284,11 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
int main(int argc, char **argv)
{
int c;
char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver;
char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver, *profile;
uint32_t flashstart, fwoffset, loadaddr, entry;
uint32_t fwaddr, flash_bs;
kernel = rootfs = bin = boardid = chipid = magic2 = ver = NULL;
kernel = rootfs = bin = boardid = chipid = magic2 = ver = profile = NULL;
entry = 0;
flashstart = DEFAULT_FLASH_START;
@ -248,10 +296,10 @@ int main(int argc, char **argv)
loadaddr = IMAGETAG_DEFAULT_LOADADDR;
flash_bs = DEFAULT_FLASH_BS;
printf("Broadcom image tagger - v0.1.1\n");
printf("Broadcom image tagger - v0.1.2\n");
printf("Copyright (C) 2008 Axel Gembe\n");
while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h")) != -1) {
while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h:p:")) != -1) {
switch (c) {
case 'i':
kernel = optarg;
@ -289,22 +337,26 @@ int main(int argc, char **argv)
case 'e':
entry = strtoul(optarg, NULL, 16);
break;
case 'p':
profile = optarg;
break;
case 'h':
default:
fprintf(stderr, "Usage: imagetag <parameters>\n");
fprintf(stderr, "-i <kernel> - The LZMA compressed kernel file to include in the image\n");
fprintf(stderr, "-f <rootfs> - The RootFS file to include in the image\n");
fprintf(stderr, "-o <bin> - The output file\n");
fprintf(stderr, "-b <boardid> - The board id to set in the image (i.e. \"96345GW2\")\n");
fprintf(stderr, "-c <chipid> - The chip id to set in the image (i.e. \"6345\")\n");
fprintf(stderr, "-s <flashstart> - Flash start address (i.e. \"0xBFC00000\"\n");
fprintf(stderr, "-n <fwoffset> - \n");
fprintf(stderr, "-v <version> - \n");
fprintf(stderr, "-m <magic2> - \n");
fprintf(stderr, "-k <flash_bs> - \n");
fprintf(stderr, "-l <loadaddr> - Address where the kernel expects to be loaded (defaults to 0x80010000)\n");
fprintf(stderr, "-e <entry> - Address where the kernel entry point will end up\n");
fprintf(stderr, "-h - Displays this text\n");
fprintf(stderr, "Usage: imagetag <parameters>\n\n");
fprintf(stderr, " -i <kernel> - The LZMA compressed kernel file to include in the image\n");
fprintf(stderr, " -f <rootfs> - The RootFS file to include in the image\n");
fprintf(stderr, " -o <bin> - The output file\n");
fprintf(stderr, " -b <boardid> - The board id to set in the image (i.e. \"96345GW2\")\n");
fprintf(stderr, " -c <chipid> - The chip id to set in the image (i.e. \"6345\")\n");
fprintf(stderr, " -s <flashstart> - Flash start address (i.e. \"0xBFC00000\"\n");
fprintf(stderr, " -n <fwoffset> - \n");
fprintf(stderr, " -v <version> - \n");
fprintf(stderr, " -m <magic2> - \n");
fprintf(stderr, " -k <flash_bs> - flash erase block size\n");
fprintf(stderr, " -l <loadaddr> - Address where the kernel expects to be loaded (defaults to 0x80010000)\n");
fprintf(stderr, " -e <entry> - Address where the kernel entry point will end up\n");
fprintf(stderr, " -p <profile> - Specify profile for particular devices, use 'list' to see available devices\n");
fprintf(stderr, " -h - Displays this text\n\n");
return 1;
}
}
@ -318,6 +370,21 @@ int main(int argc, char **argv)
fprintf(stderr, "You need to specify the kernel entry (-e)\n");
return 1;
}
if (profile && (strcmp(profile, "list") == 0)) {
fprintf(stderr, "\n----------------------------------------\n");
fprintf(stderr, "\tAvailable Profiles:");
fprintf(stderr, "\n\n");
fprintf(stderr, "\t'alice'\tALICE GATE VoIP 2 Plus Wi-Fi Business");
fprintf(stderr, "\n----------------------------------------\n");
return 0;
}
/* If the profile increase should found another way of testing the validity */
if (profile && !(strcmp(profile, "alice") == 0)) {
fprintf(stderr, "You specified an inexistent profile %s, see the list of availables options\n", profile);
return 1;
}
/* Fallback to defaults */
@ -340,6 +407,7 @@ int main(int argc, char **argv)
}
strcpy(ver, IMAGETAG_VER);
}
return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs);
return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs, profile);
}

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