mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-22 20:38:03 +00:00
8ffe0b2ede
When RME is enabled, jump to the RMM image before BL33. When using semihosting rather than FIP, the image called "rmm.bin" is loaded from the runtime directory. Change-Id: I15863410b1e505aa502276b339b22a2ddcb0b745 Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
569 lines
13 KiB
C
569 lines
13 KiB
C
/*
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* Copyright (c) 2015-2024, Arm Limited and Contributors. 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 <string.h>
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#include <platform_def.h>
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#include <common/bl_common.h>
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#include <common/debug.h>
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#include <common/desc_image_load.h>
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#include <common/uuid.h>
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#include <drivers/io/io_driver.h>
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#include <drivers/io/io_encrypted.h>
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#include <drivers/io/io_fip.h>
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#include <drivers/io/io_memmap.h>
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#include <drivers/io/io_semihosting.h>
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#include <drivers/io/io_storage.h>
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#include <lib/semihosting.h>
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#include <tools_share/firmware_image_package.h>
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#include "qemu_private.h"
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/* Semihosting filenames */
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#define BL2_IMAGE_NAME "bl2.bin"
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#define BL31_IMAGE_NAME "bl31.bin"
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#define BL32_IMAGE_NAME "bl32.bin"
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#define TB_FW_CONFIG_NAME "tb_fw_config.dtb"
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#define TOS_FW_CONFIG_NAME "tos_fw_config.dtb"
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#define BL32_EXTRA1_IMAGE_NAME "bl32_extra1.bin"
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#define BL32_EXTRA2_IMAGE_NAME "bl32_extra2.bin"
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#define BL33_IMAGE_NAME "bl33.bin"
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#define RMM_IMAGE_NAME "rmm.bin"
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#if TRUSTED_BOARD_BOOT
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#define TRUSTED_BOOT_FW_CERT_NAME "tb_fw.crt"
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#define TRUSTED_KEY_CERT_NAME "trusted_key.crt"
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#define SOC_FW_KEY_CERT_NAME "soc_fw_key.crt"
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#define TOS_FW_KEY_CERT_NAME "tos_fw_key.crt"
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#define NT_FW_KEY_CERT_NAME "nt_fw_key.crt"
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#define SOC_FW_CONTENT_CERT_NAME "soc_fw_content.crt"
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#define TOS_FW_CONTENT_CERT_NAME "tos_fw_content.crt"
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#define NT_FW_CONTENT_CERT_NAME "nt_fw_content.crt"
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#endif /* TRUSTED_BOARD_BOOT */
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/* IO devices */
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static const io_dev_connector_t *fip_dev_con;
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static uintptr_t fip_dev_handle;
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static const io_dev_connector_t *memmap_dev_con;
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static uintptr_t memmap_dev_handle;
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static const io_dev_connector_t *sh_dev_con;
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static uintptr_t sh_dev_handle;
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#ifndef DECRYPTION_SUPPORT_none
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static const io_dev_connector_t *enc_dev_con;
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static uintptr_t enc_dev_handle;
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#endif
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static const io_block_spec_t fip_block_spec = {
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.offset = PLAT_QEMU_FIP_BASE,
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.length = PLAT_QEMU_FIP_MAX_SIZE
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};
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static const io_uuid_spec_t bl2_uuid_spec = {
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.uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2,
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};
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static const io_uuid_spec_t bl31_uuid_spec = {
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.uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
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};
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static const io_uuid_spec_t bl32_uuid_spec = {
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.uuid = UUID_SECURE_PAYLOAD_BL32,
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};
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static const io_uuid_spec_t bl32_extra1_uuid_spec = {
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.uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA1,
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};
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static const io_uuid_spec_t bl32_extra2_uuid_spec = {
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.uuid = UUID_SECURE_PAYLOAD_BL32_EXTRA2,
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};
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static const io_uuid_spec_t tb_fw_config_uuid_spec = {
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.uuid = UUID_TB_FW_CONFIG,
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};
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static const io_uuid_spec_t tos_fw_config_uuid_spec = {
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.uuid = UUID_TOS_FW_CONFIG,
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};
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static const io_uuid_spec_t bl33_uuid_spec = {
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.uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
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};
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static const io_uuid_spec_t rmm_uuid_spec = {
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.uuid = UUID_REALM_MONITOR_MGMT_FIRMWARE,
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};
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#if TRUSTED_BOARD_BOOT
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static const io_uuid_spec_t tb_fw_cert_uuid_spec = {
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.uuid = UUID_TRUSTED_BOOT_FW_CERT,
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};
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static const io_uuid_spec_t trusted_key_cert_uuid_spec = {
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.uuid = UUID_TRUSTED_KEY_CERT,
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};
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static const io_uuid_spec_t soc_fw_key_cert_uuid_spec = {
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.uuid = UUID_SOC_FW_KEY_CERT,
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};
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static const io_uuid_spec_t tos_fw_key_cert_uuid_spec = {
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.uuid = UUID_TRUSTED_OS_FW_KEY_CERT,
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};
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static const io_uuid_spec_t nt_fw_key_cert_uuid_spec = {
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.uuid = UUID_NON_TRUSTED_FW_KEY_CERT,
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};
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static const io_uuid_spec_t soc_fw_cert_uuid_spec = {
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.uuid = UUID_SOC_FW_CONTENT_CERT,
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};
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static const io_uuid_spec_t tos_fw_cert_uuid_spec = {
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.uuid = UUID_TRUSTED_OS_FW_CONTENT_CERT,
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};
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static const io_uuid_spec_t nt_fw_cert_uuid_spec = {
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.uuid = UUID_NON_TRUSTED_FW_CONTENT_CERT,
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};
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#endif /* TRUSTED_BOARD_BOOT */
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static const io_file_spec_t sh_file_spec[] = {
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[BL2_IMAGE_ID] = {
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.path = BL2_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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[BL31_IMAGE_ID] = {
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.path = BL31_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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[BL32_IMAGE_ID] = {
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.path = BL32_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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[BL32_EXTRA1_IMAGE_ID] = {
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.path = BL32_EXTRA1_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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[BL32_EXTRA2_IMAGE_ID] = {
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.path = BL32_EXTRA2_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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[TB_FW_CONFIG_ID] = {
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.path = TB_FW_CONFIG_NAME,
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.mode = FOPEN_MODE_RB
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},
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[TOS_FW_CONFIG_ID] = {
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.path = TOS_FW_CONFIG_NAME,
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.mode = FOPEN_MODE_RB
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},
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[BL33_IMAGE_ID] = {
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.path = BL33_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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[RMM_IMAGE_ID] = {
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.path = RMM_IMAGE_NAME,
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.mode = FOPEN_MODE_RB
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},
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#if TRUSTED_BOARD_BOOT
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[TRUSTED_BOOT_FW_CERT_ID] = {
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.path = TRUSTED_BOOT_FW_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[TRUSTED_KEY_CERT_ID] = {
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.path = TRUSTED_KEY_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[SOC_FW_KEY_CERT_ID] = {
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.path = SOC_FW_KEY_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[TRUSTED_OS_FW_KEY_CERT_ID] = {
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.path = TOS_FW_KEY_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[NON_TRUSTED_FW_KEY_CERT_ID] = {
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.path = NT_FW_KEY_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[SOC_FW_CONTENT_CERT_ID] = {
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.path = SOC_FW_CONTENT_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[TRUSTED_OS_FW_CONTENT_CERT_ID] = {
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.path = TOS_FW_CONTENT_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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[NON_TRUSTED_FW_CONTENT_CERT_ID] = {
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.path = NT_FW_CONTENT_CERT_NAME,
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.mode = FOPEN_MODE_RB
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},
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#endif /* TRUSTED_BOARD_BOOT */
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};
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static int open_fip(const uintptr_t spec);
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static int open_memmap(const uintptr_t spec);
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#ifndef DECRYPTION_SUPPORT_none
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static int open_enc_fip(const uintptr_t spec);
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#endif
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struct plat_io_policy {
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uintptr_t *dev_handle;
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uintptr_t image_spec;
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int (*check)(const uintptr_t spec);
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};
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/* By default, ARM platforms load images from the FIP */
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static const struct plat_io_policy policies[] = {
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[FIP_IMAGE_ID] = {
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&memmap_dev_handle,
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(uintptr_t)&fip_block_spec,
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open_memmap
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},
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[ENC_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)NULL,
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open_fip
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},
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[BL2_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&bl2_uuid_spec,
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open_fip
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},
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#if ENCRYPT_BL31 && !defined(DECRYPTION_SUPPORT_none)
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[BL31_IMAGE_ID] = {
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&enc_dev_handle,
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(uintptr_t)&bl31_uuid_spec,
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open_enc_fip
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},
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#else
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[BL31_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&bl31_uuid_spec,
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open_fip
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},
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#endif
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#if ENCRYPT_BL32 && !defined(DECRYPTION_SUPPORT_none)
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[BL32_IMAGE_ID] = {
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&enc_dev_handle,
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(uintptr_t)&bl32_uuid_spec,
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open_enc_fip
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},
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[BL32_EXTRA1_IMAGE_ID] = {
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&enc_dev_handle,
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(uintptr_t)&bl32_extra1_uuid_spec,
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open_enc_fip
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},
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[BL32_EXTRA2_IMAGE_ID] = {
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&enc_dev_handle,
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(uintptr_t)&bl32_extra2_uuid_spec,
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open_enc_fip
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},
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#else
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[BL32_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&bl32_uuid_spec,
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open_fip
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},
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[BL32_EXTRA1_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&bl32_extra1_uuid_spec,
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open_fip
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},
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[BL32_EXTRA2_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&bl32_extra2_uuid_spec,
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open_fip
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},
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#endif
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[TB_FW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&tb_fw_config_uuid_spec,
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open_fip
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},
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[TOS_FW_CONFIG_ID] = {
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&fip_dev_handle,
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(uintptr_t)&tos_fw_config_uuid_spec,
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open_fip
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},
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[BL33_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&bl33_uuid_spec,
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open_fip
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},
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[RMM_IMAGE_ID] = {
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&fip_dev_handle,
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(uintptr_t)&rmm_uuid_spec,
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open_fip
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},
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#if TRUSTED_BOARD_BOOT
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[TRUSTED_BOOT_FW_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&tb_fw_cert_uuid_spec,
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open_fip
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},
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[TRUSTED_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&trusted_key_cert_uuid_spec,
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open_fip
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},
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[SOC_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&soc_fw_key_cert_uuid_spec,
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open_fip
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},
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[TRUSTED_OS_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&tos_fw_key_cert_uuid_spec,
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open_fip
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},
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[NON_TRUSTED_FW_KEY_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&nt_fw_key_cert_uuid_spec,
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open_fip
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},
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[SOC_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&soc_fw_cert_uuid_spec,
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open_fip
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},
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[TRUSTED_OS_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&tos_fw_cert_uuid_spec,
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open_fip
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},
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[NON_TRUSTED_FW_CONTENT_CERT_ID] = {
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&fip_dev_handle,
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(uintptr_t)&nt_fw_cert_uuid_spec,
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open_fip
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},
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#endif /* TRUSTED_BOARD_BOOT */
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};
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#if defined(SPD_spmd)
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static struct sp_pkg {
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struct plat_io_policy policy;
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io_file_spec_t sh_file_spec;
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uint8_t uuid[UUID_BYTES_LENGTH];
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char path[80];
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} sp_pkgs[MAX_SP_IDS];
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static unsigned int sp_pkg_count;
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int qemu_io_register_sp_pkg(const char *name, const char *uuid,
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uintptr_t load_addr)
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{
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struct sp_pkg *pkg;
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bl_mem_params_node_t *mem_params;
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if (sp_pkg_count == MAX_SP_IDS) {
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INFO("Reached Max number of SPs\n");
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return -1;
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}
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mem_params = get_bl_mem_params_node(SP_PKG1_ID + sp_pkg_count);
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if (mem_params == NULL) {
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ERROR("Can't find SP_PKG ID %u (SP_PKG%u_ID)\n",
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SP_PKG1_ID + sp_pkg_count, sp_pkg_count);
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return -1;
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}
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pkg = sp_pkgs + sp_pkg_count;
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if (read_uuid(pkg->uuid, (char *)uuid)) {
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return -1;
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}
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strlcpy(pkg->path, name, sizeof(pkg->path));
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strlcat(pkg->path, ".pkg", sizeof(pkg->path));
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pkg->policy.dev_handle = &fip_dev_handle;
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pkg->policy.image_spec = (uintptr_t)&pkg->uuid;
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pkg->policy.check = open_fip;
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pkg->sh_file_spec.path = pkg->path;
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pkg->sh_file_spec.mode = FOPEN_MODE_RB;
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mem_params->image_info.image_base = load_addr;
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mem_params->image_info.image_max_size = SZ_4M;
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mem_params->image_info.h.attr &= ~IMAGE_ATTRIB_SKIP_LOADING;
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sp_pkg_count++;
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return 0;
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}
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#endif /*SPD_spmd*/
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static const io_file_spec_t *get_io_file_spec(unsigned int image_id)
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{
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#if defined(SPD_spmd)
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if (image_id >= SP_PKG1_ID && image_id <= SP_PKG8_ID) {
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return &sp_pkgs[image_id - SP_PKG1_ID].sh_file_spec;
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}
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#endif
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assert(image_id < ARRAY_SIZE(sh_file_spec));
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return &sh_file_spec[image_id];
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}
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static const struct plat_io_policy *get_io_policy(unsigned int image_id)
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{
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#if defined(SPD_spmd)
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if (image_id >= SP_PKG1_ID && image_id <= SP_PKG8_ID) {
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return &sp_pkgs[image_id - SP_PKG1_ID].policy;
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}
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#endif
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assert(image_id < ARRAY_SIZE(policies));
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return &policies[image_id];
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}
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static int open_fip(const uintptr_t spec)
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{
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int result;
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uintptr_t local_image_handle;
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/* See if a Firmware Image Package is available */
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result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID);
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if (result == 0 && spec != (uintptr_t)NULL) {
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result = io_open(fip_dev_handle, spec, &local_image_handle);
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if (result == 0) {
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VERBOSE("Using FIP\n");
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io_close(local_image_handle);
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}
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}
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return result;
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}
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#ifndef DECRYPTION_SUPPORT_none
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static int open_enc_fip(const uintptr_t spec)
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{
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int result;
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uintptr_t local_image_handle;
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/* See if an encrypted FIP is available */
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result = io_dev_init(enc_dev_handle, (uintptr_t)ENC_IMAGE_ID);
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if (result == 0) {
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result = io_open(enc_dev_handle, spec, &local_image_handle);
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if (result == 0) {
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VERBOSE("Using encrypted FIP\n");
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io_close(local_image_handle);
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}
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}
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return result;
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}
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#endif
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static int open_memmap(const uintptr_t spec)
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{
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int result;
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uintptr_t local_image_handle;
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result = io_dev_init(memmap_dev_handle, (uintptr_t)NULL);
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if (result == 0) {
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result = io_open(memmap_dev_handle, spec, &local_image_handle);
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if (result == 0) {
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VERBOSE("Using Memmap\n");
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io_close(local_image_handle);
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}
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}
|
|
return result;
|
|
}
|
|
|
|
static int open_semihosting(const uintptr_t spec)
|
|
{
|
|
int result;
|
|
uintptr_t local_image_handle;
|
|
|
|
/* See if the file exists on semi-hosting.*/
|
|
result = io_dev_init(sh_dev_handle, (uintptr_t)NULL);
|
|
if (result == 0) {
|
|
result = io_open(sh_dev_handle, spec, &local_image_handle);
|
|
if (result == 0) {
|
|
VERBOSE("Using Semi-hosting IO\n");
|
|
io_close(local_image_handle);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void plat_qemu_io_setup(void)
|
|
{
|
|
int io_result;
|
|
|
|
io_result = register_io_dev_fip(&fip_dev_con);
|
|
assert(io_result == 0);
|
|
|
|
io_result = register_io_dev_memmap(&memmap_dev_con);
|
|
assert(io_result == 0);
|
|
|
|
/* Open connections to devices and cache the handles */
|
|
io_result = io_dev_open(fip_dev_con, (uintptr_t)NULL,
|
|
&fip_dev_handle);
|
|
assert(io_result == 0);
|
|
|
|
io_result = io_dev_open(memmap_dev_con, (uintptr_t)NULL,
|
|
&memmap_dev_handle);
|
|
assert(io_result == 0);
|
|
|
|
#ifndef DECRYPTION_SUPPORT_none
|
|
io_result = register_io_dev_enc(&enc_dev_con);
|
|
assert(io_result == 0);
|
|
|
|
io_result = io_dev_open(enc_dev_con, (uintptr_t)NULL,
|
|
&enc_dev_handle);
|
|
assert(io_result == 0);
|
|
#endif
|
|
|
|
/* Register the additional IO devices on this platform */
|
|
io_result = register_io_dev_sh(&sh_dev_con);
|
|
assert(io_result == 0);
|
|
|
|
/* Open connections to devices and cache the handles */
|
|
io_result = io_dev_open(sh_dev_con, (uintptr_t)NULL, &sh_dev_handle);
|
|
assert(io_result == 0);
|
|
|
|
/* Ignore improbable errors in release builds */
|
|
(void)io_result;
|
|
}
|
|
|
|
static int get_alt_image_source(unsigned int image_id, uintptr_t *dev_handle,
|
|
uintptr_t *image_spec)
|
|
{
|
|
const io_file_spec_t *spec = get_io_file_spec(image_id);
|
|
int result;
|
|
|
|
result = open_semihosting((const uintptr_t)spec);
|
|
if (result == 0) {
|
|
*dev_handle = sh_dev_handle;
|
|
*image_spec = (uintptr_t)spec;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* Return an IO device handle and specification which can be used to access
|
|
* an image. Use this to enforce platform load policy
|
|
*/
|
|
int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle,
|
|
uintptr_t *image_spec)
|
|
{
|
|
const struct plat_io_policy *policy = get_io_policy(image_id);
|
|
int result;
|
|
|
|
result = policy->check(policy->image_spec);
|
|
if (result == 0) {
|
|
*image_spec = policy->image_spec;
|
|
*dev_handle = *(policy->dev_handle);
|
|
} else {
|
|
VERBOSE("Trying alternative IO\n");
|
|
result = get_alt_image_source(image_id, dev_handle, image_spec);
|
|
}
|
|
|
|
return result;
|
|
}
|