/* * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include "bl2_private.h" /******************************************************************************* * The only thing to do in BL2 is to load further images and pass control to * next BL. The memory occupied by BL2 will be reclaimed by BL3x stages. BL2 * runs entirely in S-EL1. ******************************************************************************/ void bl2_main(void) { entry_point_info_t *next_bl_ep_info; NOTICE("BL2: %s\n", version_string); NOTICE("BL2: %s\n", build_message); /* Perform remaining generic architectural setup in S-EL1 */ bl2_arch_setup(); #if TRUSTED_BOARD_BOOT /* Initialize authentication module */ auth_mod_init(); #endif /* TRUSTED_BOARD_BOOT */ /* Load the subsequent bootloader images. */ next_bl_ep_info = bl2_load_images(); /* * Run next BL image via an SMC to BL1. Information on how to pass * control to the BL32 (if present) and BL33 software images will * be passed to next BL image as an argument. */ smc(BL1_SMC_RUN_IMAGE, (unsigned long)next_bl_ep_info, 0, 0, 0, 0, 0, 0); }