diff options
| author | Ritul Guru <ritul.bits@gmail.com> | 2022-07-29 11:06:40 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-08-26 16:04:51 +0000 |
| commit | 9a321f31c8601ce7396f60e334844df30bab02ad (patch) | |
| tree | 71bac6f1d66052c14bffc6ab6708dba9eae2deb7 /util/amdfwtool/amdfwtool.c | |
| parent | 1233c43a983f0e05cf19c670b790d5e0fe66e2af (diff) | |
util/amdfwtool: Add changes to reserve BIOS SIG
changes to reserve space for AMD_BIOS_SIG when
BIOS image is signed with RTMSignature.
Change-Id: Ia832fe83a3e29279c029fefc934c3ef4d335e2ea
Signed-off-by: Ritul Guru <ritul.bits@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66259
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'util/amdfwtool/amdfwtool.c')
| -rw-r--r-- | util/amdfwtool/amdfwtool.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/util/amdfwtool/amdfwtool.c b/util/amdfwtool/amdfwtool.c index 548714353f..6d5d486169 100644 --- a/util/amdfwtool/amdfwtool.c +++ b/util/amdfwtool/amdfwtool.c @@ -291,6 +291,7 @@ amd_fw_entry amd_fw_table[] = { amd_bios_entry amd_bios_table[] = { { .type = AMD_BIOS_RTM_PUBKEY, .inst = 0, .level = BDT_BOTH }, + { .type = AMD_BIOS_SIG, .inst = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 0, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 1, .level = BDT_BOTH }, { .type = AMD_BIOS_APCB, .inst = 2, .level = BDT_BOTH }, @@ -1007,6 +1008,7 @@ static void integrate_bios_firmwares(context *ctx, if (!(fw_table[i].level & level)) continue; if (fw_table[i].filename == NULL && ( + fw_table[i].type != AMD_BIOS_SIG && fw_table[i].type != AMD_BIOS_APOB && fw_table[i].type != AMD_BIOS_APOB_NV && fw_table[i].type != AMD_BIOS_L2_PTR && @@ -1016,6 +1018,10 @@ static void integrate_bios_firmwares(context *ctx, /* BIOS Directory items may have additional requirements */ + /* SIG needs a size, else no choice but to skip */ + if (fw_table[i].type == AMD_BIOS_SIG && !fw_table[i].size) + continue; + /* Check APOB_NV requirements */ if (fw_table[i].type == AMD_BIOS_APOB_NV) { if (!fw_table[i].size && !fw_table[i].src) @@ -1072,6 +1078,17 @@ static void integrate_bios_firmwares(context *ctx, biosdir->entries[count].subprog = fw_table[i].subpr; switch (fw_table[i].type) { + case AMD_BIOS_SIG: + /* Reserve size bytes within amdfw.rom */ + biosdir->entries[count].size = fw_table[i].size; + biosdir->entries[count].source = RUN_CURRENT(*ctx); + biosdir->entries[count].address_mode = + SET_ADDR_MODE_BY_TABLE(biosdir); + memset(BUFF_CURRENT(*ctx), 0xff, + biosdir->entries[count].size); + ctx->current = ALIGN(ctx->current + + biosdir->entries[count].size, 0x100U); + break; case AMD_BIOS_APOB: biosdir->entries[count].size = fw_table[i].size; biosdir->entries[count].source = fw_table[i].src; @@ -1232,6 +1249,7 @@ enum { LONGOPT_SPI_READ_MODE = 256, LONGOPT_SPI_SPEED = 257, LONGOPT_SPI_MICRON_FLAG = 258, + LONGOPT_BIOS_SIG = 259, }; static char const optstring[] = {AMDFW_OPT_CONFIG, ':', @@ -1266,6 +1284,7 @@ static struct option long_options[] = { {"bios-bin-src", required_argument, 0, AMDFW_OPT_BIOSBIN_SOURCE }, {"bios-bin-dest", required_argument, 0, AMDFW_OPT_BIOSBIN_DEST }, {"bios-uncomp-size", required_argument, 0, AMDFW_OPT_BIOS_UNCOMP_SIZE }, + {"bios-sig-size", required_argument, 0, LONGOPT_BIOS_SIG }, {"ucode", required_argument, 0, AMDFW_OPT_UCODE }, {"apob-nv-base", required_argument, 0, AMDFW_OPT_APOB_NVBASE }, {"apob-nv-size", required_argument, 0, AMDFW_OPT_APOB_NVSIZE }, @@ -1620,6 +1639,11 @@ int main(int argc, char **argv) register_fw_addr(AMD_BIOS_BIN, 0, 0, optarg); sub = instance = 0; break; + case LONGOPT_BIOS_SIG: + /* BIOS signature size */ + register_fw_addr(AMD_BIOS_SIG, 0, 0, optarg); + sub = instance = 0; + break; case AMDFW_OPT_UCODE: register_bdt_data(AMD_BIOS_UCODE, sub, instance, optarg); |