arm-trusted-firmware/plat/arm/common/aarch32/arm_bl2_mem_params_desc.c

/*
 * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <platform_def.h>

#include <common/bl_common.h>
#include <common/desc_image_load.h>

/*******************************************************************************
 * Following descriptor provides BL image/ep information that gets used
 * by BL2 to load the images and also subset of this information is
 * passed to next BL image. The image loading sequence is managed by
 * populating the images in required loading order. The image execution
 * sequence is managed by populating the `next_handoff_image_id` with
 * the next executable image id.
 ******************************************************************************/
static bl_mem_params_node_t bl2_mem_params_descs[] = {
#ifdef SCP_BL2_BASE
	/* Fill SCP_BL2 related information if it exists */
	{
		.image_id = SCP_BL2_IMAGE_ID,

		SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
			VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE),

		SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
			VERSION_2, image_info_t, 0),
		.image_info.image_base = SCP_BL2_BASE,
		.image_info.image_max_size = PLAT_CSS_MAX_SCP_BL2_SIZE,

		.next_handoff_image_id = INVALID_IMAGE_ID,
	},
#endif /* SCP_BL2_BASE */

	/* Fill BL32 related information */
	{
		.image_id = BL32_IMAGE_ID,

		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
			VERSION_2, entry_point_info_t,
			SECURE | EXECUTABLE | EP_FIRST_EXE),
		.ep_info.pc = BL32_BASE,
		.ep_info.spsr = SPSR_MODE32(MODE32_mon, SPSR_T_ARM,
			SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS),

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
			VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
		.image_info.image_base = BL32_BASE,
		.image_info.image_max_size = BL32_LIMIT - BL32_BASE,

		.next_handoff_image_id = BL33_IMAGE_ID,
	},
	/* Fill HW_CONFIG related information if it exists */
	{
		.image_id = HW_CONFIG_ID,
		SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
			VERSION_2, entry_point_info_t,
			NON_SECURE | NON_EXECUTABLE),
		SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
			VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
		.next_handoff_image_id = INVALID_IMAGE_ID,
	},
	/* Fill BL33 related information */
	{
		.image_id = BL33_IMAGE_ID,

		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
			VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE),
#ifdef PRELOADED_BL33_BASE
		.ep_info.pc = PRELOADED_BL33_BASE,

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
			VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
#else
		.ep_info.pc = PLAT_ARM_NS_IMAGE_BASE,

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
			VERSION_2, image_info_t, 0),
		.image_info.image_base = PLAT_ARM_NS_IMAGE_BASE,
		.image_info.image_max_size = ARM_DRAM1_BASE + ARM_DRAM1_SIZE
			- PLAT_ARM_NS_IMAGE_BASE,
#endif /* PRELOADED_BL33_BASE */

		.next_handoff_image_id = INVALID_IMAGE_ID,
	}
};

REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)