1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2019 Mariusz Zaborski <oshogbo@FreeBSD.org> 24 * Use is subject to license terms. 25 */ 26 27 __attribute__((optnone)) void 28 frax(void) 29 { 30 asm volatile("mov $0x41414141, %%rax" 31 : : : "rax" 32 ); 33 } 34 35 int 36 main(void) 37 { 38 39 while (1) { 40 frax(); 41 } 42 return (0); 43 } 44