diff options
Diffstat (limited to 'util/cbfstool/cbfstool.c')
| -rw-r--r-- | util/cbfstool/cbfstool.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/util/cbfstool/cbfstool.c b/util/cbfstool/cbfstool.c index eeb6936510..1a3d25e44a 100644 --- a/util/cbfstool/cbfstool.c +++ b/util/cbfstool/cbfstool.c @@ -28,6 +28,7 @@ #include "common.h" #include "cbfs.h" #include "cbfs_image.h" +#include "fit.h" struct command { const char *name; @@ -53,6 +54,7 @@ static struct param { uint32_t pagesize; uint32_t offset; uint32_t top_aligned; + int fit_empty_entries; comp_algo algo; } param = { /* All variables not listed are initialized as zero. */ @@ -415,6 +417,36 @@ static int cbfs_extract(void) return result; } +static int cbfs_update_fit(void) +{ + int ret = 0; + struct cbfs_image image; + + if (!param.name) { + ERROR("You need to specify -n/--name.\n"); + return 1; + } + + if (param.fit_empty_entries <= 0) { + ERROR("Invalid number of fit entries " + "(-x/--empty-fits): %d\n", param.fit_empty_entries); + return 1; + } + + if (cbfs_image_from_file(&image, param.cbfs_name) != 0) { + ERROR("Could not load ROM image '%s'.\n", + param.cbfs_name); + return 1; + } + + ret = fit_update_table(&image, param.fit_empty_entries, param.name); + if (!ret) + ret = cbfs_image_write_file(&image, param.cbfs_name); + + cbfs_image_delete(&image); + return ret; +} + static const struct command commands[] = { {"add", "f:n:t:b:vh?", cbfs_add}, {"add-payload", "f:n:t:c:b:vh?", cbfs_add_payload}, @@ -425,6 +457,7 @@ static const struct command commands[] = { {"locate", "f:n:P:a:Tvh?", cbfs_locate}, {"print", "vh?", cbfs_print}, {"extract", "n:f:vh?", cbfs_extract}, + {"update-fit", "n:x:vh?", cbfs_update_fit}, }; static struct option long_options[] = { @@ -442,6 +475,7 @@ static struct option long_options[] = { {"offset", required_argument, 0, 'o' }, {"file", required_argument, 0, 'f' }, {"arch", required_argument, 0, 'm' }, + {"empty-fits", required_argument, 0, 'x' }, {"verbose", no_argument, 0, 'v' }, {"help", no_argument, 0, 'h' }, {NULL, 0, 0, 0 } @@ -476,6 +510,8 @@ static void usage(char *name) "Show the contents of the ROM\n" " extract -n NAME -f FILE " "Extracts a raw payload from ROM\n" + " update-fit -n MICROCODE_BLOB_NAME -x EMTPY_FIT_ENTRIES\n " + "Updates the FIT table with microcode entries\n" "\n" "ARCHes:\n" " armv7, x86\n" @@ -586,6 +622,9 @@ int main(int argc, char **argv) case 'T': param.top_aligned = 1; break; + case 'x': + param.fit_empty_entries = strtol(optarg, NULL, 0); + break; case 'v': verbose++; break; |