minix/sys/lib/libkern/arch/powerpc/gprsavrest.S
2012-02-09 18:48:13 +01:00

133 lines
3.3 KiB
ArmAsm

/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <powerpc/asm.h>
__RCSID("$NetBSD: gprsavrest.S,v 1.4 2011/10/28 02:00:50 christos Exp $")
#ifndef RESTGPR
# define RESTGPR(n) RESTOREXGPR(_restgpr_,n,_x)
# define RESTGPR_END(n) RESTOREXGPR_END(_restgpr_,n,_x)
# define SAVEGPR(n) SAVEXGPR(_savegpr_,n,)
# define SAVEGPR_END(n) SAVEXGPR_END(_savegpr_,n,)
#endif
#define RESTOREXGPR(a,n,b) \
.hidden a##n##b; ENTRY_NOPROFILE(a##n##b); lwz n,(-4*(32-n))(11)
#define SAVEXGPR(a,n,b) \
.hidden a##n##b; ENTRY_NOPROFILE(a##n##b); stw n,(-4*(32-n))(11)
#ifdef _LP64
# define SAVEXGPR_END(a,n,b)
# define RESTOREXGPR_END(a,n,b)
#else
# define SAVEXGPR_END(a,n,b) \
.size a##n##b,.-a##n##b
# define RESTOREXGPR_END(a,n,b) \
.size a##n##b,.-a##n##b
#endif
RESTGPR(14)
RESTGPR(15)
RESTGPR(16)
RESTGPR(17)
RESTGPR(18)
RESTGPR(19)
RESTGPR(20)
RESTGPR(21)
RESTGPR(22)
RESTGPR(23)
RESTGPR(24)
RESTGPR(25)
RESTGPR(26)
RESTGPR(27)
RESTGPR(28)
RESTGPR(29)
RESTGPR(30)
RESTGPR(31)
lwz 0,4(11)
mtlr 0
mr 1,11
blr
RESTGPR_END(14)
RESTGPR_END(15)
RESTGPR_END(16)
RESTGPR_END(17)
RESTGPR_END(18)
RESTGPR_END(19)
RESTGPR_END(20)
RESTGPR_END(21)
RESTGPR_END(22)
RESTGPR_END(23)
RESTGPR_END(24)
RESTGPR_END(25)
RESTGPR_END(26)
RESTGPR_END(27)
RESTGPR_END(28)
RESTGPR_END(29)
RESTGPR_END(30)
RESTGPR_END(31)
SAVEGPR(14)
SAVEGPR(15)
SAVEGPR(16)
SAVEGPR(17)
SAVEGPR(18)
SAVEGPR(19)
SAVEGPR(20)
SAVEGPR(21)
SAVEGPR(22)
SAVEGPR(23)
SAVEGPR(24)
SAVEGPR(25)
SAVEGPR(26)
SAVEGPR(27)
SAVEGPR(28)
SAVEGPR(29)
SAVEGPR(30)
SAVEGPR(31)
blr
SAVEGPR_END(14)
SAVEGPR_END(15)
SAVEGPR_END(16)
SAVEGPR_END(17)
SAVEGPR_END(18)
SAVEGPR_END(19)
SAVEGPR_END(20)
SAVEGPR_END(21)
SAVEGPR_END(22)
SAVEGPR_END(23)
SAVEGPR_END(24)
SAVEGPR_END(25)
SAVEGPR_END(26)
SAVEGPR_END(27)
SAVEGPR_END(28)
SAVEGPR_END(29)
SAVEGPR_END(30)
SAVEGPR_END(31)