/* * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include .globl bl1_entrypoint /* ----------------------------------------------------- * bl1_entrypoint() is the entry point into the trusted * firmware code when a cpu is released from warm or * cold reset. * ----------------------------------------------------- */ func bl1_entrypoint /* --------------------------------------------------------------------- * If the reset address is programmable then bl1_entrypoint() is * executed only on the cold boot path. Therefore, we can skip the warm * boot mailbox mechanism. * --------------------------------------------------------------------- */ el3_entrypoint_common \ _init_sctlr=1 \ _warm_boot_mailbox=!PROGRAMMABLE_RESET_ADDRESS \ _secondary_cold_boot=!COLD_BOOT_SINGLE_CPU \ _init_memory=1 \ _init_c_runtime=1 \ _exception_vectors=bl1_exceptions \ _pie_fixup_size=0 /* -------------------------------------------------------------------- * Perform BL1 setup * -------------------------------------------------------------------- */ bl bl1_setup #if ENABLE_PAUTH /* -------------------------------------------------------------------- * Program APIAKey_EL1 and enable pointer authentication. * -------------------------------------------------------------------- */ bl pauth_init_enable_el3 #endif /* ENABLE_PAUTH */ /* -------------------------------------------------------------------- * Initialize platform and jump to our c-entry point * for this type of reset. * -------------------------------------------------------------------- */ bl bl1_main #if ENABLE_PAUTH /* -------------------------------------------------------------------- * Disable pointer authentication before jumping to next boot image. * -------------------------------------------------------------------- */ bl pauth_disable_el3 #endif /* ENABLE_PAUTH */ /* -------------------------------------------------- * Do the transition to next boot image. * -------------------------------------------------- */ b el3_exit endfunc bl1_entrypoint