1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2021-2023, Arm Limited. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <stdint.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <drivers/measured_boot/event_log/event_log.h> 10*91f16700Schasinglulu #include <drivers/measured_boot/rss/rss_measured_boot.h> 11*91f16700Schasinglulu #include <plat/arm/common/plat_arm.h> 12*91f16700Schasinglulu #include <tools_share/zero_oid.h> 13*91f16700Schasinglulu 14*91f16700Schasinglulu /* Event Log data */ 15*91f16700Schasinglulu static uint8_t event_log[PLAT_ARM_EVENT_LOG_MAX_SIZE]; 16*91f16700Schasinglulu 17*91f16700Schasinglulu /* FVP table with platform specific image IDs, names and PCRs */ 18*91f16700Schasinglulu const event_log_metadata_t fvp_event_log_metadata[] = { 19*91f16700Schasinglulu { FW_CONFIG_ID, EVLOG_FW_CONFIG_STRING, PCR_0 }, 20*91f16700Schasinglulu { TB_FW_CONFIG_ID, EVLOG_TB_FW_CONFIG_STRING, PCR_0 }, 21*91f16700Schasinglulu { BL2_IMAGE_ID, EVLOG_BL2_STRING, PCR_0 }, 22*91f16700Schasinglulu 23*91f16700Schasinglulu { EVLOG_INVALID_ID, NULL, (unsigned int)(-1) } /* Terminator */ 24*91f16700Schasinglulu }; 25*91f16700Schasinglulu 26*91f16700Schasinglulu /* FVP table with platform specific image IDs and metadata. Intentionally not a 27*91f16700Schasinglulu * const struct, some members might set by bootloaders during trusted boot. 28*91f16700Schasinglulu */ 29*91f16700Schasinglulu struct rss_mboot_metadata fvp_rss_mboot_metadata[] = { 30*91f16700Schasinglulu { 31*91f16700Schasinglulu .id = FW_CONFIG_ID, 32*91f16700Schasinglulu .slot = U(6), 33*91f16700Schasinglulu .signer_id_size = SIGNER_ID_MIN_SIZE, 34*91f16700Schasinglulu .sw_type = RSS_MBOOT_FW_CONFIG_STRING, 35*91f16700Schasinglulu .pk_oid = ZERO_OID, 36*91f16700Schasinglulu .lock_measurement = true }, 37*91f16700Schasinglulu { 38*91f16700Schasinglulu .id = TB_FW_CONFIG_ID, 39*91f16700Schasinglulu .slot = U(7), 40*91f16700Schasinglulu .signer_id_size = SIGNER_ID_MIN_SIZE, 41*91f16700Schasinglulu .sw_type = RSS_MBOOT_TB_FW_CONFIG_STRING, 42*91f16700Schasinglulu .pk_oid = ZERO_OID, 43*91f16700Schasinglulu .lock_measurement = true }, 44*91f16700Schasinglulu { 45*91f16700Schasinglulu .id = BL2_IMAGE_ID, 46*91f16700Schasinglulu .slot = U(8), 47*91f16700Schasinglulu .signer_id_size = SIGNER_ID_MIN_SIZE, 48*91f16700Schasinglulu .sw_type = RSS_MBOOT_BL2_STRING, 49*91f16700Schasinglulu .pk_oid = ZERO_OID, 50*91f16700Schasinglulu .lock_measurement = true }, 51*91f16700Schasinglulu 52*91f16700Schasinglulu { 53*91f16700Schasinglulu .id = RSS_MBOOT_INVALID_ID } 54*91f16700Schasinglulu }; 55*91f16700Schasinglulu 56*91f16700Schasinglulu void bl1_plat_mboot_init(void) 57*91f16700Schasinglulu { 58*91f16700Schasinglulu event_log_init(event_log, event_log + sizeof(event_log)); 59*91f16700Schasinglulu event_log_write_header(); 60*91f16700Schasinglulu 61*91f16700Schasinglulu rss_measured_boot_init(fvp_rss_mboot_metadata); 62*91f16700Schasinglulu } 63*91f16700Schasinglulu 64*91f16700Schasinglulu void bl1_plat_mboot_finish(void) 65*91f16700Schasinglulu { 66*91f16700Schasinglulu size_t event_log_cur_size; 67*91f16700Schasinglulu 68*91f16700Schasinglulu event_log_cur_size = event_log_get_cur_size(event_log); 69*91f16700Schasinglulu int rc = arm_set_tb_fw_info((uintptr_t)event_log, 70*91f16700Schasinglulu event_log_cur_size, 71*91f16700Schasinglulu PLAT_ARM_EVENT_LOG_MAX_SIZE); 72*91f16700Schasinglulu if (rc != 0) { 73*91f16700Schasinglulu /* 74*91f16700Schasinglulu * It is a fatal error because on FVP platform, BL2 software 75*91f16700Schasinglulu * assumes that a valid Event Log buffer exist and it will use 76*91f16700Schasinglulu * same Event Log buffer to append image measurements. 77*91f16700Schasinglulu */ 78*91f16700Schasinglulu panic(); 79*91f16700Schasinglulu } 80*91f16700Schasinglulu } 81