| /*- |
| * Copyright (c) 2008 John Hay. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * $FreeBSD$ |
| */ |
| |
| #include <machine/asm.h> |
| |
| ASENTRY_NP(start) |
| /* Initialise bss and sp */ |
| nop |
| adr r1, .Lstart |
| ldmia r1, {r1, r2, sp} /* Set initial stack and */ |
| sub r2, r2, r1 /* get zero init data */ |
| mov r3, #0 |
| .L1: |
| str r3, [r1], #0x0004 /* get zero init data */ |
| subs r2, r2, #4 |
| bgt .L1 |
| |
| .extern main |
| bl main |
| /* main should not return. If it does, spin forever */ |
| infiniteLoop: |
| b infiniteLoop |
| END(start) |
| |
| .Lstart: |
| .word _edata |
| .word _end |
| .word BOOT_STACK |
| |
| ENTRY(cpu_id) |
| mrc p15, 0, r0, c0, c0, 0 |
| RET |
| END(cpu_id) |
| |
| /* End */ |