rpi3_bl2_mem_params_desc.c

/*
 * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <bl_common.h>
#include <desc_image_load.h>
#include <platform.h>
#include <platform_def.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[] = {

	/* Fill BL31 related information */
	{
		.image_id = BL31_IMAGE_ID,

		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
				      VERSION_2, entry_point_info_t,
				      SECURE | EXECUTABLE | EP_FIRST_EXE),
		.ep_info.pc = BL31_BASE,
		.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
					DISABLE_ALL_EXCEPTIONS),
#if DEBUG
		.ep_info.args.arg1 = RPI3_BL31_PLAT_PARAM_VAL,
#endif
		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
				      VERSION_2, image_info_t,
				      IMAGE_ATTRIB_PLAT_SETUP),
		.image_info.image_base = BL31_BASE,
		.image_info.image_max_size = BL31_LIMIT - BL31_BASE,

# ifdef BL32_BASE
		.next_handoff_image_id = BL32_IMAGE_ID,
# else
		.next_handoff_image_id = BL33_IMAGE_ID,
# endif
	},

# ifdef BL32_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_info.pc = BL32_BASE,

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
				      VERSION_2, image_info_t, 0),
		.image_info.image_base = BL32_BASE,
		.image_info.image_max_size = BL32_LIMIT - BL32_BASE,

		.next_handoff_image_id = BL33_IMAGE_ID,
	},

	/*
	 * Fill BL32 external 1 related information.
	 * A typical use for extra1 image is with OP-TEE where it is the pager
	 * image.
	 */
	{
		.image_id = BL32_EXTRA1_IMAGE_ID,

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

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

		.next_handoff_image_id = INVALID_IMAGE_ID,
	},

	/*
	 * Fill BL32 external 2 related information.
	 * A typical use for extra2 image is with OP-TEE where it is the paged
	 * image.
	 */
	{
		.image_id = BL32_EXTRA2_IMAGE_ID,

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

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
				      VERSION_2, image_info_t,
				      IMAGE_ATTRIB_SKIP_LOADING),
		.next_handoff_image_id = INVALID_IMAGE_ID,
	},
# endif /* BL32_BASE */

	/* 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_RPI3_NS_IMAGE_OFFSET,

		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
				      VERSION_2, image_info_t, 0),
		.image_info.image_base = PLAT_RPI3_NS_IMAGE_OFFSET,
		.image_info.image_max_size = PLAT_RPI3_NS_IMAGE_MAX_SIZE,
# endif /* PRELOADED_BL33_BASE */

		.next_handoff_image_id = INVALID_IMAGE_ID,
	}
};

REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)