1 /*
2 * Copyright (c) 2021-2024, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <stdint.h>
8
9 #include <drivers/measured_boot/event_log/event_log.h>
10 #include <drivers/measured_boot/metadata.h>
11 #include <plat/arm/common/plat_arm.h>
12 #include <tools_share/zero_oid.h>
13
14 /* Event Log data */
15 static uint8_t event_log[PLAT_ARM_EVENT_LOG_MAX_SIZE];
16
17 /* FVP table with platform specific image IDs, names and PCRs */
18 const event_log_metadata_t fvp_event_log_metadata[] = {
19 { FW_CONFIG_ID, MBOOT_FW_CONFIG_STRING, PCR_0 },
20 { TB_FW_CONFIG_ID, MBOOT_TB_FW_CONFIG_STRING, PCR_0 },
21 { BL2_IMAGE_ID, MBOOT_BL2_IMAGE_STRING, PCR_0 },
22
23 { EVLOG_INVALID_ID, NULL, (unsigned int)(-1) } /* Terminator */
24 };
25
bl1_plat_mboot_init(void)26 void bl1_plat_mboot_init(void)
27 {
28 event_log_init(event_log, event_log + sizeof(event_log));
29 event_log_write_header();
30 }
31
bl1_plat_mboot_finish(void)32 void bl1_plat_mboot_finish(void)
33 {
34 size_t event_log_cur_size;
35
36 event_log_cur_size = event_log_get_cur_size(event_log);
37 int rc = arm_set_tb_fw_info((uintptr_t)event_log,
38 event_log_cur_size,
39 PLAT_ARM_EVENT_LOG_MAX_SIZE);
40 if (rc != 0) {
41 /*
42 * It is a fatal error because on FVP platform, BL2 software
43 * assumes that a valid Event Log buffer exist and it will use
44 * same Event Log buffer to append image measurements.
45 */
46 panic();
47 }
48 }
49