diff options
Diffstat (limited to 'resources/coreboot/default/patches/0017-util-ifdtool-add-nuke-flag-all-0xFF-on-region.patch')
| -rw-r--r-- | resources/coreboot/default/patches/0017-util-ifdtool-add-nuke-flag-all-0xFF-on-region.patch | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/resources/coreboot/default/patches/0017-util-ifdtool-add-nuke-flag-all-0xFF-on-region.patch b/resources/coreboot/default/patches/0017-util-ifdtool-add-nuke-flag-all-0xFF-on-region.patch deleted file mode 100644 index 6596e285..00000000 --- a/resources/coreboot/default/patches/0017-util-ifdtool-add-nuke-flag-all-0xFF-on-region.patch +++ /dev/null @@ -1,183 +0,0 @@ -From 0cf2eee19eef5270410d054cf8e26a8be99245a8 Mon Sep 17 00:00:00 2001 -From: Leah Rowe <leah@libreboot.org> -Date: Sun, 4 Dec 2022 22:35:01 +0000 -Subject: [PATCH 17/17] util/ifdtool: add --nuke flag (all 0xFF on region) - -When this option is used, the region's contents are overwritten -with all ones (0xFF). - -Example: - -./ifdtool --nuke gbe coreboot.rom -./ifdtool --nuke bios coreboot.com -./ifdtool --nuke me coreboot.com ---- - util/ifdtool/ifdtool.c | 98 ++++++++++++++++++++++++++++++++---------- - 1 file changed, 76 insertions(+), 22 deletions(-) - -diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c -index ca5d3b8d21..8ba1335772 100644 ---- a/util/ifdtool/ifdtool.c -+++ b/util/ifdtool/ifdtool.c -@@ -1640,19 +1640,68 @@ static void print_usage(const char *name) - " tgl - Tiger Lake\n" - " -S | --setpchstrap Write a PCH strap\n" - " -V | --newvalue The new value to write into PCH strap specified by -S\n" -+ " -N | --nuke <region> Overwrite the specified region with 0xFF (all ones)\n" - " -v | --version: print the version\n" - " -h | --help: print this help\n\n" - "<region> is one of Descriptor, BIOS, ME, GbE, Platform, res1, res2, res3\n" - "\n"); - } - -+static int -+get_region_type_string(const char *region_type_string) -+{ -+ if (region_type_string == NULL) -+ return -1; -+ else if (!strcasecmp("Descriptor", region_type_string)) -+ return 0; -+ else if (!strcasecmp("BIOS", region_type_string)) -+ return 1; -+ else if (!strcasecmp("ME", region_type_string)) -+ return 2; -+ else if (!strcasecmp("GbE", region_type_string)) -+ return 3; -+ else if (!strcasecmp("Platform", region_type_string)) -+ return 4; -+ else if (!strcasecmp("res1", region_type_string)) -+ return 5; -+ else if (!strcasecmp("res2", region_type_string)) -+ return 6; -+ else if (!strcasecmp("res3", region_type_string)) -+ return 7; -+ else if (!strcasecmp("EC", region_type_string)) -+ return 8; -+ else -+ return -1; -+} -+ -+ -+static void -+nuke(const char *filename, char *image, int size, int region_type) -+{ -+ int i; -+ region_t region; -+ const frba_t *frba = find_frba(image, size); -+ if (!frba) -+ exit(EXIT_FAILURE); -+ -+ region = get_region(frba, region_type); -+ if (region.size > 0) { -+ for (i = region.base; i <= region.limit; i++) { -+ if ((i + 1) > (size)) -+ break; -+ image[i] = 0xFF; -+ } -+ write_image(filename, image, size); -+ } -+} -+ - 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, mode_validate = 0; - int mode_layout = 0, mode_newlayout = 0, mode_density = 0, mode_setstrap = 0; -- int mode_read = 0, mode_altmedisable = 0, altmedisable = 0; -+ int mode_read = 0, mode_altmedisable = 0, altmedisable = 0, mode_nuke = 0; - char *region_type_string = NULL, *region_fname = NULL; - const char *layout_fname = NULL; - char *new_filename = NULL; -@@ -1683,6 +1732,7 @@ int main(int argc, char *argv[]) - {"validate", 0, NULL, 't'}, - {"setpchstrap", 1, NULL, 'S'}, - {"newvalue", 1, NULL, 'V'}, -+ {"nuke", 1, NULL, 'N'}, - {0, 0, 0, 0} - }; - -@@ -1723,25 +1773,8 @@ int main(int argc, char *argv[]) - region_fname++; - // Descriptor, BIOS, ME, GbE, Platform - // valid type? -- if (!strcasecmp("Descriptor", region_type_string)) -- region_type = 0; -- else if (!strcasecmp("BIOS", region_type_string)) -- region_type = 1; -- else if (!strcasecmp("ME", region_type_string)) -- region_type = 2; -- else if (!strcasecmp("GbE", region_type_string)) -- region_type = 3; -- else if (!strcasecmp("Platform", region_type_string)) -- region_type = 4; -- else if (!strcasecmp("res1", region_type_string)) -- region_type = 5; -- else if (!strcasecmp("res2", region_type_string)) -- region_type = 6; -- else if (!strcasecmp("res3", region_type_string)) -- region_type = 7; -- else if (!strcasecmp("EC", region_type_string)) -- region_type = 8; -- if (region_type == -1) { -+ if ((region_type = -+ get_region_type_string(region_type_string)) == -1) { - fprintf(stderr, "No such region type: '%s'\n\n", - region_type_string); - print_usage(argv[0]); -@@ -1900,6 +1933,22 @@ int main(int argc, char *argv[]) - case 't': - mode_validate = 1; - break; -+ case 'N': -+ region_type_string = strdup(optarg); -+ if (!region_type_string) { -+ fprintf(stderr, "No region specified\n"); -+ print_usage(argv[0]); -+ exit(EXIT_FAILURE); -+ } -+ if ((region_type = -+ get_region_type_string(region_type_string)) == -1) { -+ fprintf(stderr, "No such region type: '%s'\n\n", -+ region_type_string); -+ print_usage(argv[0]); -+ exit(EXIT_FAILURE); -+ } -+ mode_nuke = 1; -+ break; - case 'v': - print_version(); - exit(EXIT_SUCCESS); -@@ -1915,7 +1964,7 @@ int main(int argc, char *argv[]) - - if ((mode_dump + mode_layout + mode_extract + mode_inject + mode_setstrap + - mode_newlayout + (mode_spifreq | mode_em100 | mode_unlocked | -- mode_locked) + mode_altmedisable + mode_validate) > 1) { -+ mode_locked) + mode_altmedisable + mode_validate + mode_nuke) > 1) { - fprintf(stderr, "You may not specify more than one mode.\n\n"); - print_usage(argv[0]); - exit(EXIT_FAILURE); -@@ -1923,7 +1972,8 @@ int main(int argc, char *argv[]) - - if ((mode_dump + mode_layout + mode_extract + mode_inject + mode_setstrap + - mode_newlayout + mode_spifreq + mode_em100 + mode_locked + -- mode_unlocked + mode_density + mode_altmedisable + mode_validate) == 0) { -+ mode_unlocked + mode_density + mode_altmedisable + mode_validate + -+ mode_nuke) == 0) { - fprintf(stderr, "You need to specify a mode.\n\n"); - print_usage(argv[0]); - exit(EXIT_FAILURE); -@@ -2021,6 +2071,10 @@ int main(int argc, char *argv[]) - write_image(new_filename, image, size); - } - -+ if (mode_nuke) { -+ nuke(new_filename, image, size, region_type); -+ } -+ - if (mode_altmedisable) { - fpsba_t *fpsba = find_fpsba(image, size); - fmsba_t *fmsba = find_fmsba(image, size); --- -2.25.1 - |