93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/*
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* Copyright (c) 2020-2021, 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 <assert.h>
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#include <stdint.h>
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#include <common/desc_image_load.h>
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#include <drivers/measured_boot/event_log/event_log.h>
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#include <plat/arm/common/plat_arm.h>
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#include <plat/common/platform.h>
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/* FVP table with platform specific image IDs, names and PCRs */
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static const image_data_t fvp_images_data[] = {
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{ BL2_IMAGE_ID, BL2_STRING, PCR_0 }, /* Reserved for BL2 */
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{ BL31_IMAGE_ID, BL31_STRING, PCR_0 },
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{ BL32_IMAGE_ID, BL32_STRING, PCR_0 },
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{ BL32_EXTRA1_IMAGE_ID, BL32_EXTRA1_IMAGE_STRING, PCR_0 },
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{ BL32_EXTRA2_IMAGE_ID, BL32_EXTRA2_IMAGE_STRING, PCR_0 },
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{ BL33_IMAGE_ID, BL33_STRING, PCR_0 },
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{ HW_CONFIG_ID, HW_CONFIG_STRING, PCR_0 },
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{ NT_FW_CONFIG_ID, NT_FW_CONFIG_STRING, PCR_0 },
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{ SCP_BL2_IMAGE_ID, SCP_BL2_IMAGE_STRING, PCR_0 },
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{ SOC_FW_CONFIG_ID, SOC_FW_CONFIG_STRING, PCR_0 },
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{ TOS_FW_CONFIG_ID, TOS_FW_CONFIG_STRING, PCR_0 },
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{ INVALID_ID, NULL, (unsigned int)(-1) } /* Terminator */
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};
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static const measured_boot_data_t fvp_measured_boot_data = {
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fvp_images_data,
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arm_set_nt_fw_info,
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arm_set_tos_fw_info
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};
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/*
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* Function retuns pointer to FVP plat_measured_boot_data_t structure
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*/
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const measured_boot_data_t *plat_get_measured_boot_data(void)
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{
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return &fvp_measured_boot_data;
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}
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void bl2_plat_mboot_init(void)
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{
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event_log_init();
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}
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void bl2_plat_mboot_finish(void)
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{
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uint8_t *log_addr;
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size_t log_size;
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int rc;
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rc = event_log_finalise(&log_addr, &log_size);
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if (rc != 0) {
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/*
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* It is a fatal error because on FVP secure world software
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* assumes that a valid event log exists and will use it to
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* record the measurements into the fTPM
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*/
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panic();
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}
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dump_event_log(log_addr, log_size);
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}
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int plat_mboot_measure_image(unsigned int image_id)
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{
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const bl_mem_params_node_t *bl_mem_params =
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get_bl_mem_params_node(image_id);
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assert(bl_mem_params != NULL);
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image_info_t info = bl_mem_params->image_info;
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int err;
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if ((info.h.attr & IMAGE_ATTRIB_SKIP_LOADING) == 0U) {
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/* Calculate image hash and record data in Event Log */
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err = event_log_measure_record(info.image_base,
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info.image_size, image_id);
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if (err != 0) {
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ERROR("%s%s image id %u (%i)\n",
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"BL2: Failed to ", "record", image_id, err);
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return err;
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}
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}
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return 0;
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}
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