diff options
-rw-r--r-- | src/security/tpm/tspi/crtm.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/security/tpm/tspi/crtm.c b/src/security/tpm/tspi/crtm.c index 24b9fbd2d7..6f8f58fcd1 100644 --- a/src/security/tpm/tspi/crtm.c +++ b/src/security/tpm/tspi/crtm.c @@ -54,12 +54,14 @@ static uint32_t tspi_init_crtm(void) } /* measure bootblock from RO */ - struct region_device bootblock_fmap; - if (fmap_locate_area_as_rdev("BOOTBLOCK", &bootblock_fmap) == 0) { - if (tpm_measure_region(&bootblock_fmap, - TPM_CRTM_PCR, - "FMAP: BOOTBLOCK")) - return VB2_ERROR_UNKNOWN; + if (!CONFIG(ARCH_X86)) { + struct region_device bootblock_fmap; + if (fmap_locate_area_as_rdev("BOOTBLOCK", &bootblock_fmap) == 0) { + if (tpm_measure_region(&bootblock_fmap, + TPM_CRTM_PCR, + "FMAP: BOOTBLOCK")) + return VB2_ERROR_UNKNOWN; + } } else if (CONFIG(BOOTBLOCK_IN_CBFS)){ /* Mapping measures the file. We know we can safely map here because bootblock-as-a-file is only used on x86, where we don't need cache to map. */ |