feat(drtm): for TPM features fw hash algorithm should be 16-bits
The DRTM 1.0 spec changed the Firmware hash algorithm field
size from 32-bits to 16-bits.
Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
Change-Id: I713e32e01b1983bf21d97c93bbb28c77dc94a541
diff --git a/include/plat/common/plat_drtm.h b/include/plat/common/plat_drtm.h
index e96e719..81d6d46 100644
--- a/include/plat/common/plat_drtm.h
+++ b/include/plat/common/plat_drtm.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2022, Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -17,7 +17,7 @@
typedef struct {
bool tpm_based_hash_support;
- uint32_t firmware_hash_algorithm;
+ uint16_t firmware_hash_algorithm;
} plat_drtm_tpm_features_t;
typedef struct {
diff --git a/include/services/drtm_svc.h b/include/services/drtm_svc.h
index 69b314f..5474509 100644
--- a/include/services/drtm_svc.h
+++ b/include/services/drtm_svc.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2024 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
@@ -87,7 +87,7 @@
#define ARM_DRTM_TPM_FEATURES_TPM_HASH_SUPPORTED ULL(0x1)
#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHIFT U(0)
-#define ARM_DRTM_TPM_FEATURES_FW_HASH_MASK ULL(0xFFFFFFFF)
+#define ARM_DRTM_TPM_FEATURES_FW_HASH_MASK ULL(0xFFFF)
#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHA256 ULL(0xB)
#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHA384 ULL(0xC)
#define ARM_DRTM_TPM_FEATURES_FW_HASH_SHA512 ULL(0xD)