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https://github.com/ARM-software/arm-trusted-firmware.git
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eab78e9ba4
Subsequent patches will provide a solution to do the BL2 hash measurement and recording in BL1 itself, hence in preparation to adopt that solution remove the logic of passing BL2 hash measurement to BL2 component via TB_FW config. Change-Id: Iff9b3d4c6a236a33b942898fcdf799cbab89b724 Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
92 lines
2.3 KiB
C
92 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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