diff options
Diffstat (limited to 'util/ifdtool/ifdtool.c')
| -rw-r--r-- | util/ifdtool/ifdtool.c | 80 |
1 files changed, 67 insertions, 13 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c index 83caa693ab..0e83c760d8 100644 --- a/util/ifdtool/ifdtool.c +++ b/util/ifdtool/ifdtool.c @@ -22,6 +22,7 @@ #include <sys/types.h> #include <sys/stat.h> #include <commonlib/helpers.h> +#include <fmap.h> #include "ifdtool.h" #ifndef O_BINARY @@ -46,15 +47,15 @@ static int selected_chip = 0; static int platform = -1; static const struct region_name region_names[MAX_REGIONS] = { - { "Flash Descriptor", "fd", "flashregion_0_flashdescriptor.bin" }, - { "BIOS", "bios", "flashregion_1_bios.bin" }, - { "Intel ME", "me", "flashregion_2_intel_me.bin" }, - { "GbE", "gbe", "flashregion_3_gbe.bin" }, - { "Platform Data", "pd", "flashregion_4_platform_data.bin" }, - { "Reserved", "res1", "flashregion_5_reserved.bin" }, - { "Reserved", "res2", "flashregion_6_reserved.bin" }, - { "Reserved", "res3", "flashregion_7_reserved.bin" }, - { "EC", "ec", "flashregion_8_ec.bin" }, + { "Flash Descriptor", "fd", "flashregion_0_flashdescriptor.bin", "SI_DESC" }, + { "BIOS", "bios", "flashregion_1_bios.bin", "SI_BIOS" }, + { "Intel ME", "me", "flashregion_2_intel_me.bin", "SI_ME" }, + { "GbE", "gbe", "flashregion_3_gbe.bin", "SI_GBE" }, + { "Platform Data", "pd", "flashregion_4_platform_data.bin", "SI_PDR" }, + { "Reserved", "res1", "flashregion_5_reserved.bin", NULL }, + { "Reserved", "res2", "flashregion_6_reserved.bin", NULL }, + { "Reserved", "res3", "flashregion_7_reserved.bin", NULL }, + { "EC", "ec", "flashregion_8_ec.bin", "SI_EC" }, }; /* port from flashrom */ @@ -804,6 +805,51 @@ static void write_regions(char *image, int size) } } +static void validate_layout(char *image, int size) +{ + uint i, errors = 0; + struct fmap *fmap; + long int fmap_loc = fmap_find((uint8_t *)image, size); + const frba_t *frba = find_frba(image, size); + + if (fmap_loc < 0 || !frba) + exit(EXIT_FAILURE); + + fmap = (struct fmap *)(image + fmap_loc); + + for (i = 0; i < max_regions; i++) { + if (region_names[i].fmapname == NULL) + continue; + + region_t region = get_region(frba, i); + + if (region.size == 0) + continue; + + const struct fmap_area *area = + fmap_find_area(fmap, region_names[i].fmapname); + + if (!area) + continue; + + if ((uint)region.base != area->offset || + (uint)region.size != area->size) { + printf("Region mismatch between %s and %s\n", + region_names[i].terse, area->name); + printf(" Descriptor region %s:\n", region_names[i].terse); + printf(" offset: 0x%08x\n", region.base); + printf(" length: 0x%08x\n", region.size); + printf(" FMAP area %s:\n", area->name); + printf(" offset: 0x%08x\n", area->offset); + printf(" length: 0x%08x\n", area->size); + errors++; + } + } + + if (errors > 0) + exit(EXIT_FAILURE); +} + static void write_image(const char *filename, char *image, int size) { char new_filename[FILENAME_MAX]; // allow long file names @@ -1359,6 +1405,7 @@ static void print_usage(const char *name) printf("\n" " -d | --dump: dump intel firmware descriptor\n" " -f | --layout <filename> dump regions into a flashrom layout file\n" + " -t | --validate Validate that the firmware descriptor layout matches the fmap layout\n" " -x | --extract: extract intel fd modules\n" " -i | --inject <region>:<module> inject file <module> into region <region>\n" " -n | --newlayout <filename> update regions using a flashrom layout file\n" @@ -1388,7 +1435,7 @@ int main(int argc, char *argv[]) { int opt, option_index = 0; int mode_dump = 0, mode_extract = 0, mode_inject = 0, mode_spifreq = 0; - int mode_em100 = 0, mode_locked = 0, mode_unlocked = 0; + int mode_em100 = 0, mode_locked = 0, mode_unlocked = 0, mode_validate = 0; int mode_layout = 0, mode_newlayout = 0, mode_density = 0; int mode_altmedisable = 0, altmedisable = 0; char *region_type_string = NULL, *region_fname = NULL; @@ -1413,10 +1460,11 @@ int main(int argc, char *argv[]) {"version", 0, NULL, 'v'}, {"help", 0, NULL, 'h'}, {"platform", 0, NULL, 'p'}, + {"validate", 0, NULL, 't'}, {0, 0, 0, 0} }; - while ((opt = getopt_long(argc, argv, "df:D:C:M:xi:n:s:p:eluvh?", + while ((opt = getopt_long(argc, argv, "df:D:C:M:xi:n:s:p:eluvth?", long_options, &option_index)) != EOF) { switch (opt) { case 'd': @@ -1593,6 +1641,9 @@ int main(int argc, char *argv[]) } fprintf(stderr, "Platform is: %s\n", optarg); break; + case 't': + mode_validate = 1; + break; case 'v': print_version(); exit(EXIT_SUCCESS); @@ -1608,7 +1659,7 @@ int main(int argc, char *argv[]) if ((mode_dump + mode_layout + mode_extract + mode_inject + mode_newlayout + (mode_spifreq | mode_em100 | mode_unlocked | - mode_locked) + mode_altmedisable) > 1) { + mode_locked) + mode_altmedisable + mode_layout) > 1) { fprintf(stderr, "You may not specify more than one mode.\n\n"); print_usage(argv[0]); exit(EXIT_FAILURE); @@ -1616,7 +1667,7 @@ int main(int argc, char *argv[]) if ((mode_dump + mode_layout + mode_extract + mode_inject + mode_newlayout + mode_spifreq + mode_em100 + mode_locked + - mode_unlocked + mode_density + mode_altmedisable) == 0) { + mode_unlocked + mode_density + mode_altmedisable + mode_validate) == 0) { fprintf(stderr, "You need to specify a mode.\n\n"); print_usage(argv[0]); exit(EXIT_FAILURE); @@ -1667,6 +1718,9 @@ int main(int argc, char *argv[]) if (mode_extract) write_regions(image, size); + if (mode_validate) + validate_layout(image, size); + if (mode_inject) inject_region(filename, image, size, region_type, region_fname); |