| /* |
| * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <assert.h> |
| #include <bl_common.h> |
| #include <desc_image_load.h> |
| #include <plat_arm.h> |
| |
| #if JUNO_AARCH32_EL3_RUNTIME |
| /******************************************************************************* |
| * This function changes the spsr for BL32 image to bypass |
| * the check in BL1 AArch64 exception handler. This is needed in the aarch32 |
| * boot flow as the core comes up in aarch64 and to enter the BL32 image a warm |
| * reset in aarch32 state is required. |
| ******************************************************************************/ |
| int bl2_plat_handle_post_image_load(unsigned int image_id) |
| { |
| int err = arm_bl2_handle_post_image_load(image_id); |
| |
| if (!err && (image_id == BL32_IMAGE_ID)) { |
| bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id); |
| assert(bl_mem_params); |
| bl_mem_params->ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX, |
| DISABLE_ALL_EXCEPTIONS); |
| } |
| |
| return err; |
| } |
| #endif /* JUNO_AARCH32_EL3_RUNTIME */ |