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https://github.com/ARM-software/arm-trusted-firmware.git
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1cf3e2f0a8
Updated the code to get and set the 'tpm_event_log_max_size' property in the event_log.dtsi. In this change, the maximum Event Log buffer size allocated by BL1 is passed to BL2, rather than both relying on the maximum Event Log buffer size macro. Change-Id: I7aa6256390872171e362b6f166f3f7335aa6e425 Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
76 lines
2 KiB
C
76 lines
2 KiB
C
/*
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* Copyright (c) 2021-2022, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdint.h>
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#include <drivers/measured_boot/event_log/event_log.h>
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#include <drivers/measured_boot/rss/rss_measured_boot.h>
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#include <plat/arm/common/plat_arm.h>
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/* Event Log data */
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static uint8_t event_log[PLAT_ARM_EVENT_LOG_MAX_SIZE];
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/* FVP table with platform specific image IDs, names and PCRs */
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const event_log_metadata_t fvp_event_log_metadata[] = {
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{ FW_CONFIG_ID, EVLOG_FW_CONFIG_STRING, PCR_0 },
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{ TB_FW_CONFIG_ID, EVLOG_TB_FW_CONFIG_STRING, PCR_0 },
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{ BL2_IMAGE_ID, EVLOG_BL2_STRING, PCR_0 },
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{ EVLOG_INVALID_ID, NULL, (unsigned int)(-1) } /* Terminator */
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};
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/* FVP table with platform specific image IDs and metadata. Intentionally not a
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* const struct, some members might set by bootloaders during trusted boot.
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*/
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struct rss_mboot_metadata fvp_rss_mboot_metadata[] = {
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{
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.id = FW_CONFIG_ID,
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.slot = U(6),
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.signer_id_size = SIGNER_ID_MIN_SIZE,
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.sw_type = RSS_MBOOT_FW_CONFIG_STRING,
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.lock_measurement = true },
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{
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.id = TB_FW_CONFIG_ID,
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.slot = U(7),
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.signer_id_size = SIGNER_ID_MIN_SIZE,
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.sw_type = RSS_MBOOT_TB_FW_CONFIG_STRING,
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.lock_measurement = true },
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{
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.id = BL2_IMAGE_ID,
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.slot = U(8),
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.signer_id_size = SIGNER_ID_MIN_SIZE,
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.sw_type = RSS_MBOOT_BL2_STRING,
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.lock_measurement = true },
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{
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.id = RSS_MBOOT_INVALID_ID }
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};
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void bl1_plat_mboot_init(void)
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{
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event_log_init(event_log, event_log + sizeof(event_log));
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event_log_write_header();
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rss_measured_boot_init();
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}
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void bl1_plat_mboot_finish(void)
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{
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size_t event_log_cur_size;
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event_log_cur_size = event_log_get_cur_size(event_log);
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int rc = arm_set_tb_fw_info((uintptr_t)event_log,
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event_log_cur_size,
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PLAT_ARM_EVENT_LOG_MAX_SIZE);
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if (rc != 0) {
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/*
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* It is a fatal error because on FVP platform, BL2 software
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* assumes that a valid Event Log buffer exist and it will use
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* same Event Log buffer to append image measurements.
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*/
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panic();
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}
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}
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