1/* 2 * Copyright 2018, Data61 3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO) 4 * ABN 41 687 119 230. 5 * 6 * This software may be distributed and modified according to the terms of 7 * the GNU General Public License version 2. Note that NO WARRANTY is provided. 8 * See "LICENSE_GPLv2.txt" for details. 9 * 10 * @TAG(DATA61_GPL) 11 */ 12 13/* 14 * 15 * Copyright 2016, 2017 Hesham Almatary, Data61/CSIRO <hesham.almatary@data61.csiro.au> 16 * Copyright 2015, 2016 Hesham Almatary <heshamelmatary@gmail.com> 17 */ 18 19#include <config.h> 20#include <arch/sbi.h> 21 22void idle_thread(void) 23{ 24 while (1) { 25 asm volatile("wfi"); 26 } 27} 28 29void VISIBLE halt(void) 30{ 31#ifdef CONFIG_PRINTING 32 printf("halting..."); 33#endif 34 35 sbi_shutdown(); 36 37 UNREACHABLE(); 38} 39