/* * Copyright (c) 2021, Nico Weber * * SPDX-License-Identifier: BSD-2-Clause */ .text .global start .type start, @function start: // Let only core 0 continue, put other cores to sleep. mrs x13, MPIDR_EL1 and x13, x13, 0xff cbnz x13, halt // Let stack start before .text for now. // 512 kiB (0x8000) of stack are probably not sufficient, especially once we give the other cores some stack too, // but for now it's ok. ldr x14, =start mov sp, x14 b init