62 lines
2.3 KiB
ArmAsm
62 lines
2.3 KiB
ArmAsm
|
/* $NetBSD: podloader_asm.S,v 1.1 2000/12/20 10:57:38 bjh21 Exp $ */
|
||
|
|
|
||
|
|
/*-
|
||
|
|
* Copyright (c) 2000 Ben Harris
|
||
|
|
* 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.
|
||
|
|
* 3. The name of the author may not be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
|
||
|
|
|
||
|
|
#include <machine/asm.h>
|
||
|
|
|
||
|
|
RCSID("$NetBSD: podloader_asm.S,v 1.1 2000/12/20 10:57:38 bjh21 Exp $")
|
||
|
|
|
||
|
|
#include <sys/errno.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* register_t podloader_call(register_t r0, register_t r1, register_t r11,
|
||
|
|
* void *loader, int entry)
|
||
|
|
*/
|
||
|
|
ENTRY(podloader_call)
|
||
|
|
mov ip, sp
|
||
|
|
stmfd sp!, {r4, fp, ip, lr, pc}
|
||
|
|
sub fp, ip, #4
|
||
|
|
ldr r4, [fp, #4] /* fetch entry */
|
||
|
|
bl _C_LABEL(int_off)
|
||
|
|
stmfd sp!, {fp} /* Save FP, since that's R11 */
|
||
|
|
mov r11, r2
|
||
|
|
mov lr, pc
|
||
|
|
add pc, r3, r4, lsl #2 /* Call loader */
|
||
|
|
ldmfd sp!, {fp}
|
||
|
|
bl _C_LABEL(int_on)
|
||
|
|
adrvs r0, Lpodloader_panicmsg
|
||
|
|
blvs _C_LABEL(panic)
|
||
|
|
#ifdef __APCS_26__
|
||
|
|
ldmdb fp, {r4, fp, sp, pc}^
|
||
|
|
#else
|
||
|
|
ldmdb fp, {r4, fp, sp, pc}
|
||
|
|
#endif
|
||
|
|
Lpodloader_panicmsg:
|
||
|
|
.asciz "podloader_call"
|