X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/4f5fd629a391c1a9fb05fc6002c5cfad735a1f43..1f5043d5ac8cd5cc89d1511b0545a2a17775f3a6:/tools/firmware-utils/src/mkfwimage.c diff --git a/tools/firmware-utils/src/mkfwimage.c b/tools/firmware-utils/src/mkfwimage.c index 372a0b593..a527014b5 100644 --- a/tools/firmware-utils/src/mkfwimage.c +++ b/tools/firmware-utils/src/mkfwimage.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2007 Ubiquiti Networks, Inc. + * Copyright (C) 2008 Lukas Kuna * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -28,13 +29,67 @@ #include #include #include - #include "fw.h" +typedef struct fw_layout_data { + char name[PATH_MAX]; + u_int32_t kern_start; + u_int32_t kern_entry; + u_int32_t firmware_max_length; +} fw_layout_t; + +fw_layout_t fw_layout_data[] = { + { + .name = "XS2", + .kern_start = 0xbfc30000, + .kern_entry = 0x80041000, + .firmware_max_length= 0x00390000, + }, + { + .name = "XS5", + .kern_start = 0xbe030000, + .kern_entry = 0x80041000, + .firmware_max_length= 0x00390000, + }, + { + .name = "RS", + .kern_start = 0xbf030000, + .kern_entry = 0x80060000, + .firmware_max_length= 0x00B00000, + }, + { + .name = "RSPRO", + .kern_start = 0xbf030000, + .kern_entry = 0x80060000, + .firmware_max_length= 0x00B00000, + }, + { + .name = "LS-SR71", + .kern_start = 0xbf030000, + .kern_entry = 0x80060000, + .firmware_max_length= 0x00640000, + }, + { + .name = "XS2-8", + .kern_start = 0xa8030000, + .kern_entry = 0x80041000, + .firmware_max_length= 0x006C0000, + }, + { + .name = "XM", + .kern_start = 0x9f050000, + .kern_entry = 0x80002000, + .firmware_max_length= 0x006A0000, + }, + { .name = "", + }, +}; + typedef struct part_data { char partition_name[64]; int partition_index; u_int32_t partition_baseaddr; + u_int32_t partition_startaddr; u_int32_t partition_memaddr; u_int32_t partition_entryaddr; u_int32_t partition_length; @@ -47,23 +102,24 @@ typedef struct part_data { #define DEFAULT_OUTPUT_FILE "firmware-image.bin" #define DEFAULT_VERSION "UNKNOWN" -#define OPTIONS "hv:o:i:" +#define OPTIONS "B:hv:m:o:r:k:" static int debug = 0; typedef struct image_info { + char magic[16]; char version[256]; char outputfile[PATH_MAX]; u_int32_t part_count; - part_data_t parts[MAX_SECTIONS]; + part_data_t parts[MAX_SECTIONS]; } image_info_t; -static void write_header(void* mem, const char* version) +static void write_header(void* mem, const char *magic, const char* version) { header_t* header = mem; memset(header, 0, sizeof(header_t)); - memcpy(header->magic, MAGIC_HEADER, MAGIC_LENGTH); + memcpy(header->magic, magic, MAGIC_LENGTH); strncpy(header->version, version, sizeof(header->version)); header->crc = htonl(crc32(0L, (unsigned char *)header, sizeof(header_t) - 2 * sizeof(u_int32_t))); @@ -128,9 +184,12 @@ static void usage(const char* progname) "Usage: %s [options]\n" "\t-v \t - firmware version information, default: %s\n" "\t-o \t - firmware output file, default: %s\n" - "\t-i \t\t - firmware layout file, default: none\n" + "\t-m \t - firmware magic, default: %s\n" + "\t-k \t\t - kernel file\n" + "\t-r \t\t - rootfs file\n" + "\t-B \t\t - choose firmware layout for specified board (XS2, XS5, RS, XM)\n" "\t-h\t\t\t - this help\n", VERSION, - progname, DEFAULT_VERSION, DEFAULT_OUTPUT_FILE); + progname, DEFAULT_VERSION, DEFAULT_OUTPUT_FILE, MAGIC_HEADER); } static void print_image_info(const image_info_t* im) @@ -154,76 +213,65 @@ static void print_image_info(const image_info_t* im) -/** - * Image layout file format: - * - * \t\t\t - * - */ -static int parse_image_layout(const char* layoutfile, image_info_t* im) +static u_int32_t filelength(const char* file) { - int fd = 0; - char line[1028]; - FILE* f; + FILE *p; + int ret = -1; - im->part_count = 0; + if ( (p = fopen(file, "rb") ) == NULL) return (-1); - fd = open(layoutfile, O_RDONLY); - if (fd < 0) { - ERROR("Could not open file '%s'\n", layoutfile); - return -1; - } + fseek(p, 0, SEEK_END); + ret = ftell(p); - f = fdopen(fd, "r"); - if (f == NULL) { - close(fd); - return -2; - } + fclose (p); - while (!feof(f)) - { - char name[32]; - u_int32_t index; - u_int32_t baseaddr; - u_int32_t size; - u_int32_t memaddr; - u_int32_t entryaddr; - char file[PATH_MAX]; - u_int32_t c; - part_data_t* d; - - if (fgets(line, sizeof(line), f) == NULL) - break; - - // TODO: very inconvenient format, use smarter parsing someday - if ((c = sscanf(line, "%32[^\t]\t%X\t%X\t%X\t%X\t%X\t%128[^\t\n]", name, &index, &baseaddr, &size, &memaddr, &entryaddr, file)) != 7) - continue; - - DEBUG("%s\t\t0x%02X\t0x%08X\t0x%08X\t0x%08X\t0x%08X\t%s\n", name, index, baseaddr, size, memaddr, entryaddr, file); + return (ret); +} - c = im->part_count; - if (c == MAX_SECTIONS) - break; +static int create_image_layout(const char* kernelfile, const char* rootfsfile, char* board_name, image_info_t* im) +{ + part_data_t* kernel = &im->parts[0]; + part_data_t* rootfs = &im->parts[1]; - d = &im->parts[c]; - strncpy(d->partition_name, name, sizeof(d->partition_name)); - d->partition_index = index; - d->partition_baseaddr = baseaddr; - d->partition_length = size; - d->partition_memaddr = memaddr; - d->partition_entryaddr = entryaddr; - strncpy(d->filename, file, sizeof(d->filename)); + fw_layout_t* p; - im->part_count++; + p = &fw_layout_data[0]; + while ((strlen(p->name) != 0) && (strncmp(p->name, board_name, sizeof(board_name)) != 0)) + p++; + if (p->name == NULL) { + printf("BUG! Unable to find default fw layout!\n"); + exit(-1); } - fclose(f); + printf("board = %s\n", p->name); + strcpy(kernel->partition_name, "kernel"); + kernel->partition_index = 1; + kernel->partition_baseaddr = p->kern_start; + if ( (kernel->partition_length = filelength(kernelfile)) < 0) return (-1); + kernel->partition_memaddr = p->kern_entry; + kernel->partition_entryaddr = p->kern_entry; + strncpy(kernel->filename, kernelfile, sizeof(kernel->filename)); + + if (filelength(rootfsfile) + kernel->partition_length > p->firmware_max_length) + return (-2); + + strcpy(rootfs->partition_name, "rootfs"); + rootfs->partition_index = 2; + rootfs->partition_baseaddr = kernel->partition_baseaddr + kernel->partition_length; + rootfs->partition_length = p->firmware_max_length - kernel->partition_length; + rootfs->partition_memaddr = 0x00000000; + rootfs->partition_entryaddr = 0x00000000; + strncpy(rootfs->filename, rootfsfile, sizeof(rootfs->filename)); + +printf("kernel: %d 0x%08x\n", kernel->partition_length, kernel->partition_baseaddr); +printf("root: %d 0x%08x\n", rootfs->partition_length, rootfs->partition_baseaddr); + im->part_count = 2; return 0; } /** - * Checks the availability and validity of all image components. + * Checks the availability and validity of all image components. * Fills in stats member of the part_data structure. */ static int validate_image_layout(image_info_t* im) @@ -260,7 +308,7 @@ static int validate_image_layout(image_info_t* im) } if (d->stats.st_size > d->partition_length) { ERROR("File '%s' too big (%d) - max size: 0x%08X (exceeds %lu bytes)\n", - d->filename, i, d->partition_length, + d->filename, i, d->partition_length, d->stats.st_size - d->partition_length); return -4; } @@ -293,7 +341,7 @@ static int build_image(image_info_t* im) } // write header - write_header(mem, im->version); + write_header(mem, im->magic, im->version); ptr = mem + sizeof(header_t); // write all parts for (i = 0; i < im->part_count; ++i) @@ -318,7 +366,7 @@ static int build_image(image_info_t* im) if (fwrite(mem, mem_size, 1, f) != 1) { - ERROR("Could not write %d bytes into file: '%s'\n", + ERROR("Could not write %d bytes into file: '%s'\n", mem_size, im->outputfile); return -11; } @@ -331,15 +379,20 @@ static int build_image(image_info_t* im) int main(int argc, char* argv[]) { - char inputfile[PATH_MAX]; + char kernelfile[PATH_MAX]; + char rootfsfile[PATH_MAX]; + char board_name[PATH_MAX]; int o, rc; image_info_t im; memset(&im, 0, sizeof(im)); - memset(inputfile, 0, sizeof(inputfile)); + memset(kernelfile, 0, sizeof(kernelfile)); + memset(rootfsfile, 0, sizeof(rootfsfile)); + memset(board_name, 0, sizeof(board_name)); strcpy(im.outputfile, DEFAULT_OUTPUT_FILE); strcpy(im.version, DEFAULT_VERSION); + strncpy(im.magic, MAGIC_HEADER, sizeof(im.magic)); while ((o = getopt(argc, argv, OPTIONS)) != -1) { @@ -352,27 +405,47 @@ int main(int argc, char* argv[]) if (optarg) strncpy(im.outputfile, optarg, sizeof(im.outputfile)); break; - case 'i': + case 'm': if (optarg) - strncpy(inputfile, optarg, sizeof(inputfile)); + strncpy(im.magic, optarg, sizeof(im.magic)); break; case 'h': usage(argv[0]); return -1; + case 'k': + if (optarg) + strncpy(kernelfile, optarg, sizeof(kernelfile)); + break; + case 'r': + if (optarg) + strncpy(rootfsfile, optarg, sizeof(rootfsfile)); + break; + case 'B': + if (optarg) + strncpy(board_name, optarg, sizeof(board_name)); + break; } } + if (strlen(board_name) == 0) + strcpy(board_name, "XS2"); /* default to XS2 */ + + if (strlen(kernelfile) == 0) + { + ERROR("Kernel file is not specified, cannot continue\n"); + usage(argv[0]); + return -2; + } - if (strlen(inputfile) == 0) + if (strlen(rootfsfile) == 0) { - ERROR("Input file is not specified, cannot continue\n"); + ERROR("Root FS file is not specified, cannot continue\n"); usage(argv[0]); return -2; } - if ((rc = parse_image_layout(inputfile, &im)) != 0) + if ((rc = create_image_layout(kernelfile, rootfsfile, board_name, &im)) != 0) { - ERROR("Failed parsing firmware layout file '%s' - error code: %d\n", - inputfile, rc); + ERROR("Failed creating firmware layout description - error code: %d\n", rc); return -3; }