1 /* $NetBSD: podloader_asm.S,v 1.2 2002/03/24 23:37:44 bjh21 Exp $ */
4 * Copyright (c) 2000 Ben Harris
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <machine/asm.h>
32 RCSID("$NetBSD: podloader_asm.S,v 1.2 2002/03/24 23:37:44 bjh21 Exp $")
34 #include <sys/errno.h>
37 * register_t _podloader_call(register_t r0, register_t r1, register_t r11,
38 * void *loader, int entry)
40 * Podule loader register assignments:
46 * R11 Hardware address, preserved
48 * R13 Stack pointer, preserved
50 ENTRY(_podloader_call)
52 stmfd sp!, {r4, r5, fp, ip, lr, pc}
54 ldr r4, [fp, #4] /* fetch entry */
55 stmfd sp!, {fp} /* Save FP, since that's R11 */
58 add pc, r3, r4, lsl #2 /* Call loader */
60 adrvs r0, Lpodloader_panicmsg
62 ldmdb fp, {r4, r5, fp, sp, pc}
64 .asciz "podloader_call"