1/* 2 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <arch.h> 32#include <el3_common_macros.S> 33 34 .globl bl1_entrypoint 35 36 37 /* ----------------------------------------------------- 38 * bl1_entrypoint() is the entry point into the trusted 39 * firmware code when a cpu is released from warm or 40 * cold reset. 41 * ----------------------------------------------------- 42 */ 43 44func bl1_entrypoint 45 /* --------------------------------------------------------------------- 46 * If the reset address is programmable then bl1_entrypoint() is 47 * executed only on the cold boot path. Therefore, we can skip the warm 48 * boot mailbox mechanism. 49 * --------------------------------------------------------------------- 50 */ 51 el3_entrypoint_common \ 52 _set_endian=1 \ 53 _warm_boot_mailbox=!PROGRAMMABLE_RESET_ADDRESS \ 54 _secondary_cold_boot=!COLD_BOOT_SINGLE_CPU \ 55 _init_memory=1 \ 56 _init_c_runtime=1 \ 57 _exception_vectors=bl1_exceptions 58 59 /* --------------------------------------------- 60 * Architectural init. can be generic e.g. 61 * enabling stack alignment and platform spec- 62 * ific e.g. MMU & page table setup as per the 63 * platform memory map. Perform the latter here 64 * and the former in bl1_main. 65 * --------------------------------------------- 66 */ 67 bl bl1_early_platform_setup 68 bl bl1_plat_arch_setup 69 70 /* -------------------------------------------------- 71 * Initialize platform and jump to our c-entry point 72 * for this type of reset. 73 * -------------------------------------------------- 74 */ 75 bl bl1_main 76 77 /* -------------------------------------------------- 78 * Do the transition to next boot image. 79 * -------------------------------------------------- 80 */ 81 b el3_exit 82endfunc bl1_entrypoint 83