exynos_smc.S revision 1.2 
11.2Sskrll/*	$NetBSD: exynos_smc.S,v 1.2 2014/09/05 08:01:05 skrll Exp $	*/
21.2Sskrll
31.1Smatt/*-
41.1Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc.
51.1Smatt * All rights reserved.
61.1Smatt *
71.1Smatt * This code is derived from software contributed to The NetBSD Foundation
81.1Smatt * by Reinoud Zandijk.
91.1Smatt *
101.1Smatt * Redistribution and use in source and binary forms, with or without
111.1Smatt * modification, are permitted provided that the following conditions
121.1Smatt * are met:
131.1Smatt * 1. Redistributions of source code must retain the above copyright
141.1Smatt *    notice, this list of conditions and the following disclaimer.
151.1Smatt * 2. Redistributions in binary form must reproduce the above copyright
161.1Smatt *    notice, this list of conditions and the following disclaimer in the
171.1Smatt *    documentation and/or other materials provided with the distribution.
181.1Smatt *
191.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.1Smatt * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.1Smatt * POSSIBILITY OF SUCH DAMAGE.
301.1Smatt */
311.1Smatt
321.1Smatt
331.1Smatt#include <arm/asm.h>
341.1Smatt#include <arm/armreg.h>
351.1Smatt
361.2SskrllRCSID("$NetBSD: exynos_smc.S,v 1.2 2014/09/05 08:01:05 skrll Exp $")
371.1Smatt
381.1Smatt/*
391.1Smatt * void
401.1Smatt * exynos_smc(uint32_t cmd, uint32_t arg1, uint32_t arg2, uint32_t arg3)
411.1Smatt */
421.1Smatt
431.1Smatt	.global _C_LABEL(exynos_smc)
441.1Smatt_C_LABEL(exynos_smc):
451.1Smatt	stmfd	sp!, {r4-r11, lr}
461.1Smatt	dsb				/* Data Synchronisation Barrier */
471.1Smatt	smc	#0			/* Call firmware for all permissions */
481.1Smatt	ldmfd	sp!, {r4-r11, pc}
491.1SmattEND(_C_LABEL(exynos_smc))
501.1Smatt
51