diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/imximage.c | 18 | ||||
| -rw-r--r-- | tools/imximage.h | 1 | ||||
| -rw-r--r-- | tools/mkenvimage.c | 138 |
3 files changed, 96 insertions, 61 deletions
diff --git a/tools/imximage.c b/tools/imximage.c index 1e0f5d4..03a7716 100644 --- a/tools/imximage.c +++ b/tools/imximage.c @@ -216,8 +216,12 @@ static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; uint32_t base_offset; - /* Set default offset */ - imxhdr->flash_offset = FLASH_OFFSET_STANDARD; + /* Exit if there is no BOOT_FROM field specifying the flash_offset */ + if(imxhdr->flash_offset == FLASH_OFFSET_UNDEFINED) { + fprintf(stderr, "Error: Header v1: No BOOT_FROM tag in %s\n", + params->imagename); + exit(EXIT_FAILURE); + } /* Set magic number */ fhdr_v1->app_code_barker = APP_CODE_BARKER; @@ -253,8 +257,12 @@ static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; - /* Set default offset */ - imxhdr->flash_offset = FLASH_OFFSET_STANDARD; + /* Exit if there is no BOOT_FROM field specifying the flash_offset */ + if(imxhdr->flash_offset == FLASH_OFFSET_UNDEFINED) { + fprintf(stderr, "Error: Header v2: No BOOT_FROM tag in %s\n", + params->imagename); + exit(EXIT_FAILURE); + } /* Set magic number */ fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ @@ -525,6 +533,8 @@ static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, * set up function ptr group to V1 by default. */ imximage_version = IMXIMAGE_V1; + /* Be able to detect if the cfg file has no BOOT_FROM tag */ + imxhdr->flash_offset = FLASH_OFFSET_UNDEFINED; set_hdr_func(imxhdr); /* Parse dcd configuration file */ diff --git a/tools/imximage.h b/tools/imximage.h index d784a8d..34f293d 100644 --- a/tools/imximage.h +++ b/tools/imximage.h @@ -32,6 +32,7 @@ #define HEADER_OFFSET 0x400 #define CMD_DATA_STR "DATA" +#define FLASH_OFFSET_UNDEFINED 0xFFFFFFFF #define FLASH_OFFSET_STANDARD 0x400 #define FLASH_OFFSET_NAND FLASH_OFFSET_STANDARD #define FLASH_OFFSET_SD FLASH_OFFSET_STANDARD diff --git a/tools/mkenvimage.c b/tools/mkenvimage.c index f781731..9dbb3b2 100644 --- a/tools/mkenvimage.c +++ b/tools/mkenvimage.c @@ -31,13 +31,15 @@ #include <errno.h> #include <fcntl.h> #include <stdio.h> +#include <stdlib.h> #include <stdint.h> #include <string.h> #include <unistd.h> -#include <compiler.h> #include <sys/types.h> #include <sys/stat.h> +#include <sys/mman.h> +#include "compiler.h" #include <u-boot/crc.h> #include <version.h> @@ -45,12 +47,9 @@ static void usage(const char *exec_name) { - fprintf(stderr, "%s [-h] [-r] [-b] [-p <byte>] " - "-s <environment partition size> -o <output> <input file>\n" + fprintf(stderr, "%s [-h] [-r] [-b] [-p <byte>] -s <environment partition size> -o <output> <input file>\n" "\n" - "This tool takes a key=value input file (same as would a " - "`printenv' show) and generates the corresponding environment " - "image, ready to be flashed.\n" + "This tool takes a key=value input file (same as would a `printenv' show) and generates the corresponding environment image, ready to be flashed.\n" "\n" "\tThe input file is in format:\n" "\t\tkey1=value1\n" @@ -58,14 +57,31 @@ static void usage(const char *exec_name) "\t\t...\n" "\t-r : the environment has multiple copies in flash\n" "\t-b : the target is big endian (default is little endian)\n" - "\t-p <byte> : fill the image with <byte> bytes instead of " - "0xff bytes\n" + "\t-p <byte> : fill the image with <byte> bytes instead of 0xff bytes\n" "\t-V : print version information and exit\n" "\n" "If the input file is \"-\", data is read from standard input\n", exec_name); } +long int xstrtol(const char *s) +{ + long int tmp; + + errno = 0; + tmp = strtol(s, NULL, 0); + if (!errno) + return tmp; + + if (errno == ERANGE) + fprintf(stderr, "Bad integer format: %s\n", s); + else + fprintf(stderr, "Error while parsing %s: %s\n", s, + strerror(errno)); + + exit(EXIT_FAILURE); +} + int main(int argc, char **argv) { uint32_t crc, targetendian_crc; @@ -95,13 +111,12 @@ int main(int argc, char **argv) while ((option = getopt(argc, argv, ":s:o:rbp:hV")) != -1) { switch (option) { case 's': - datasize = strtol(optarg, NULL, 0); + datasize = xstrtol(optarg); break; case 'o': bin_filename = strdup(optarg); if (!bin_filename) { - fprintf(stderr, "Can't strdup() the output " - "filename\n"); + fprintf(stderr, "Can't strdup() the output filename\n"); return EXIT_FAILURE; } break; @@ -112,7 +127,7 @@ int main(int argc, char **argv) bigendian = 1; break; case 'p': - padbyte = strtol(optarg, NULL, 0); + padbyte = xstrtol(optarg); break; case 'h': usage(prg); @@ -123,7 +138,7 @@ int main(int argc, char **argv) case ':': fprintf(stderr, "Missing argument for option -%c\n", optopt); - usage(argv[0]); + usage(prg); return EXIT_FAILURE; default: fprintf(stderr, "Wrong option -%c\n", optopt); @@ -134,22 +149,21 @@ int main(int argc, char **argv) /* Check datasize and allocate the data */ if (datasize == 0) { - fprintf(stderr, - "Please specify the size of the environment " - "partition.\n"); + fprintf(stderr, "Please specify the size of the environment partition.\n"); usage(prg); return EXIT_FAILURE; } dataptr = malloc(datasize * sizeof(*dataptr)); if (!dataptr) { - fprintf(stderr, "Can't alloc dataptr.\n"); + fprintf(stderr, "Can't alloc %d bytes for dataptr.\n", + datasize); return EXIT_FAILURE; } /* * envptr points to the beginning of the actual environment (after the - * crc and possible `redundant' bit + * crc and possible `redundant' byte */ envsize = datasize - (CRC_SIZE + redundant); envptr = dataptr + CRC_SIZE + redundant; @@ -158,24 +172,28 @@ int main(int argc, char **argv) memset(envptr, padbyte, envsize); /* Open the input file ... */ - if (optind >= argc) { - fprintf(stderr, "Please specify an input filename\n"); - return EXIT_FAILURE; - } - - txt_filename = argv[optind]; - if (strcmp(txt_filename, "-") == 0) { + if (optind >= argc || strcmp(argv[optind], "-") == 0) { int readbytes = 0; - int readlen = sizeof(*envptr) * 2048; + int readlen = sizeof(*envptr) * 4096; txt_fd = STDIN_FILENO; do { filebuf = realloc(filebuf, readlen); + if (!filebuf) { + fprintf(stderr, "Can't realloc memory for the input file buffer\n"); + return EXIT_FAILURE; + } readbytes = read(txt_fd, filebuf + filesize, readlen); + if (errno) { + fprintf(stderr, "Error while reading stdin: %s\n", + strerror(errno)); + return EXIT_FAILURE; + } filesize += readbytes; } while (readbytes == readlen); } else { + txt_filename = argv[optind]; txt_fd = open(txt_filename, O_RDONLY); if (txt_fd == -1) { fprintf(stderr, "Can't open \"%s\": %s\n", @@ -185,28 +203,36 @@ int main(int argc, char **argv) /* ... and check it */ ret = fstat(txt_fd, &txt_file_stat); if (ret == -1) { - fprintf(stderr, "Can't stat() on \"%s\": " - "%s\n", txt_filename, strerror(errno)); + fprintf(stderr, "Can't stat() on \"%s\": %s\n", + txt_filename, strerror(errno)); return EXIT_FAILURE; } filesize = txt_file_stat.st_size; - /* Read the raw input file and transform it */ - filebuf = malloc(sizeof(*envptr) * filesize); - ret = read(txt_fd, filebuf, sizeof(*envptr) * filesize); - if (ret != sizeof(*envptr) * filesize) { - fprintf(stderr, "Can't read the whole input file\n"); - return EXIT_FAILURE; + + filebuf = mmap(NULL, sizeof(*envptr) * filesize, PROT_READ, + MAP_PRIVATE, txt_fd, 0); + if (filebuf == MAP_FAILED) { + fprintf(stderr, "mmap (%ld bytes) failed: %s\n", + sizeof(*envptr) * filesize, + strerror(errno)); + fprintf(stderr, "Falling back to read()\n"); + + filebuf = malloc(sizeof(*envptr) * filesize); + ret = read(txt_fd, filebuf, sizeof(*envptr) * filesize); + if (ret != sizeof(*envptr) * filesize) { + fprintf(stderr, "Can't read the whole input file (%ld bytes): %s\n", + sizeof(*envptr) * filesize, + strerror(errno)); + + return EXIT_FAILURE; + } } ret = close(txt_fd); } - /* - * The right test to do is "=>" (not ">") because of the additional - * ending \0. See below. - */ - if (filesize >= envsize) { - fprintf(stderr, "The input file is larger than the " - "environment partition size\n"); + /* The +1 is for the additionnal ending \0. See below. */ + if (filesize + 1 > envsize) { + fprintf(stderr, "The input file is larger than the environment partition size\n"); return EXIT_FAILURE; } @@ -232,14 +258,6 @@ int main(int argc, char **argv) /* End of a variable */ envptr[ep++] = '\0'; } - } else if (filebuf[fp] == '#') { - if (fp != 0 && filebuf[fp-1] == '\n') { - /* This line is a comment, let's skip it */ - while (fp < txt_file_stat.st_size && fp++ && - filebuf[fp] != '\n'); - } else { - envptr[ep++] = filebuf[fp]; - } } else { envptr[ep++] = filebuf[fp]; } @@ -255,8 +273,7 @@ int main(int argc, char **argv) * check the env size again to make sure we have room for two \0 */ if (ep >= envsize) { - fprintf(stderr, "The environment file is too large for " - "the target environment storage\n"); + fprintf(stderr, "The environment file is too large for the target environment storage\n"); return EXIT_FAILURE; } envptr[ep] = '\0'; @@ -268,13 +285,20 @@ int main(int argc, char **argv) crc = crc32(0, envptr, envsize); targetendian_crc = bigendian ? cpu_to_be32(crc) : cpu_to_le32(crc); - memcpy(dataptr, &targetendian_crc, sizeof(uint32_t)); + memcpy(dataptr, &targetendian_crc, sizeof(targetendian_crc)); + if (redundant) + dataptr[sizeof(targetendian_crc)] = 1; - bin_fd = creat(bin_filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); - if (bin_fd == -1) { - fprintf(stderr, "Can't open output file \"%s\": %s\n", - bin_filename, strerror(errno)); - return EXIT_FAILURE; + if (!bin_filename || strcmp(bin_filename, "-") == 0) { + bin_fd = STDOUT_FILENO; + } else { + bin_fd = creat(bin_filename, S_IRUSR | S_IWUSR | S_IRGRP | + S_IWGRP); + if (bin_fd == -1) { + fprintf(stderr, "Can't open output file \"%s\": %s\n", + bin_filename, strerror(errno)); + return EXIT_FAILURE; + } } if (write(bin_fd, dataptr, sizeof(*dataptr) * datasize) != |