exynos_smc.S revision 1.1 
11.1Smatt/*	$NetBSD: exynos_smc.S,v 1.1 2014/04/13 02:26:26 matt Exp $	*/
21.1Smatt/*-
31.1Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc.
41.1Smatt * All rights reserved.
51.1Smatt *
61.1Smatt * This code is derived from software contributed to The NetBSD Foundation
71.1Smatt * by Reinoud Zandijk.
81.1Smatt *
91.1Smatt * Redistribution and use in source and binary forms, with or without
101.1Smatt * modification, are permitted provided that the following conditions
111.1Smatt * are met:
121.1Smatt * 1. Redistributions of source code must retain the above copyright
131.1Smatt *    notice, this list of conditions and the following disclaimer.
141.1Smatt * 2. Redistributions in binary form must reproduce the above copyright
151.1Smatt *    notice, this list of conditions and the following disclaimer in the
161.1Smatt *    documentation and/or other materials provided with the distribution.
171.1Smatt *
181.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
191.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
201.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
211.1Smatt * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
221.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
231.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
241.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
251.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
261.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
271.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
281.1Smatt * POSSIBILITY OF SUCH DAMAGE.
291.1Smatt */
301.1Smatt
311.1Smatt
321.1Smatt#include <arm/asm.h>
331.1Smatt#include <arm/armreg.h>
341.1Smatt
351.1SmattRCSID("$NetBSD: exynos_smc.S,v 1.1 2014/04/13 02:26:26 matt Exp $")
361.1Smatt
371.1Smatt/*
381.1Smatt * void
391.1Smatt * exynos_smc(uint32_t cmd, uint32_t arg1, uint32_t arg2, uint32_t arg3)
401.1Smatt */
411.1Smatt
421.1Smatt	.global _C_LABEL(exynos_smc)
431.1Smatt_C_LABEL(exynos_smc):
441.1Smatt	stmfd	sp!, {r4-r11, lr}
451.1Smatt	dsb				/* Data Synchronisation Barrier */
461.1Smatt	smc	#0			/* Call firmware for all permissions */
471.1Smatt	ldmfd	sp!, {r4-r11, pc}
481.1SmattEND(_C_LABEL(exynos_smc))
491.1Smatt
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