board/amlogic/g12b_lucy_px/permanent_attributes.c

/*
 * Copyright (c) 2019 The Fuchsia Authors
 *
 * SPDX-License-Identifier:	BSD-3-Clause
 */

#include <common.h>
#include <libavb/libavb.h>
#include <libavb_atx/libavb_atx.h>

#include <tee/ta_vx_helper.h>
#include <asm/arch-g12b/efuse.h>
#include <u-boot/sha256.h>

static int read_permanent_attr_hash(uint8_t *hash, size_t size)
{
}

AvbIOResult
avb_read_permanent_attributes(AvbAtxOps *atx_ops,
					  AvbAtxPermanentAttributes *attributes)
{
	size_t size;

	int rc = ta_vx_read_perm_attr(attributes, sizeof(AvbAtxPermanentAttributes),
			&size);
	if (rc || size != sizeof(AvbAtxPermanentAttributes)) {
		return AVB_IO_RESULT_ERROR_IO;
	}

	return AVB_IO_RESULT_OK;
}

AvbIOResult
avb_read_permanent_attributes_hash(AvbAtxOps *atx_ops,
				   uint8_t hash[AVB_SHA256_DIGEST_SIZE])
{
	if (hash == NULL) {
		return AVB_IO_RESULT_ERROR_IO;
	}

	int rc = ta_vx_read_perm_attr_hash(hash, AVB_SHA256_DIGEST_SIZE);
	if (rc) {
		return AVB_IO_RESULT_ERROR_IO;
	}

	return AVB_IO_RESULT_OK;
}