1 files changed, 53 insertions, 0 deletions
diff --git a/plat/arm/board/corstone1000/common/corstone1000_trusted_boot.c b/plat/arm/board/corstone1000/common/corstone1000_trusted_boot.c
new file mode 100644
index 0000000..7e8fbb2
--- /dev/null
+++ b/plat/arm/board/corstone1000/common/corstone1000_trusted_boot.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2021-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * Return the ROTPK hash in the following ASN.1 structure in DER format:
+ *
+ * AlgorithmIdentifier  ::=  SEQUENCE  {
+ *     algorithm         OBJECT IDENTIFIER,
+ *     parameters        ANY DEFINED BY algorithm OPTIONAL
+ * }
+ *
+ * DigestInfo ::= SEQUENCE {
+ *     digestAlgorithm   AlgorithmIdentifier,
+ *     digest            OCTET STRING
+ * }
+ *
+ * The function returns 0 on success. Any other value is treated as error by the
+ * Trusted Board Boot. The function also reports extra information related
+ * to the ROTPK in the flags parameter: ROTPK_IS_HASH, ROTPK_NOT_DEPLOYED.
+ *
+ * Refer to the TF-A porting-guide document for more details.
+ */
+int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
+			unsigned int *flags)
+{
+	return arm_get_rotpk_info(cookie, key_ptr, key_len, flags);
+}
+
+/*
+ * STUB overriding the non-volatile counter reading.
+ * NV counters are not implemented at this stage of development.
+ * Return: 0 = success
+ */
+int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr)
+{
+	*nv_ctr = CORSTONE1000_FW_NVCTR_VAL;
+	return 0;
+}
+
+/*
+ * STUB overriding the non-volatile counter updating.
+ * NV counters are not implemented at this stage of development.
+ * Return: 0 = success
+ */
+int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
+{
+	return 0;
+}