1 /* 2 * Copyright (c) 2021-2023, 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 <plat/arm/common/plat_arm.h> 11 #include <tools_share/zero_oid.h> 12 13 /* Event Log data */ 14 static uint8_t event_log[PLAT_ARM_EVENT_LOG_MAX_SIZE]; 15 16 /* FVP table with platform specific image IDs, names and PCRs */ 17 const event_log_metadata_t fvp_event_log_metadata[] = { 18 { FW_CONFIG_ID, EVLOG_FW_CONFIG_STRING, PCR_0 }, 19 { TB_FW_CONFIG_ID, EVLOG_TB_FW_CONFIG_STRING, PCR_0 }, 20 { BL2_IMAGE_ID, EVLOG_BL2_STRING, PCR_0 }, 21 22 { EVLOG_INVALID_ID, NULL, (unsigned int)(-1) } /* Terminator */ 23 }; 24 25 void bl1_plat_mboot_init(void) 26 { 27 event_log_init(event_log, event_log + sizeof(event_log)); 28 event_log_write_header(); 29 } 30 31 void bl1_plat_mboot_finish(void) 32 { 33 size_t event_log_cur_size; 34 35 event_log_cur_size = event_log_get_cur_size(event_log); 36 int rc = arm_set_tb_fw_info((uintptr_t)event_log, 37 event_log_cur_size, 38 PLAT_ARM_EVENT_LOG_MAX_SIZE); 39 if (rc != 0) { 40 /* 41 * It is a fatal error because on FVP platform, BL2 software 42 * assumes that a valid Event Log buffer exist and it will use 43 * same Event Log buffer to append image measurements. 44 */ 45 panic(); 46 } 47 } 48