1/*- 2 * Copyright (c) 2008 John Hay. 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 7 unchanged lines hidden (view full) --- 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * |
24 * $FreeBSD: head/sys/boot/arm/ixp425/boot2/arm_init.S 186352 2008-12-20 03:26:09Z sam $ |
25 */ 26 |
27#include <machine/asm.h> |
28 |
29ASENTRY_NP(start) |
30/* Initialise bss and sp */ 31 nop 32 adr r1, .Lstart 33 ldmia r1, {r1, r2, sp} /* Set initial stack and */ 34 sub r2, r2, r1 /* get zero init data */ 35 mov r3, #0 36.L1: 37 str r3, [r1], #0x0004 /* get zero init data */ --- 5 unchanged lines hidden (view full) --- 43/* main should not return. If it does, spin forever */ 44infiniteLoop: 45 b infiniteLoop 46 47.Lstart: 48 .word _edata 49 .word _end 50 .word BOOT_STACK |
51 52ENTRY(cpu_id) 53 mrc p15, 0, r0, c0, c0, 0 54 RET 55 |
56/* End */ |