exynos_smc.S revision 1.3
11.3Sskrll/* $NetBSD: exynos_smc.S,v 1.3 2014/12/27 15:52:42 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 361.3SskrllRCSID("$NetBSD: exynos_smc.S,v 1.3 2014/12/27 15:52:42 skrll Exp $") 371.1Smatt 381.3Sskrll .arch armv7-a 391.3Sskrll .arch_extension sec 401.1Smatt/* 411.1Smatt * void 421.1Smatt * exynos_smc(uint32_t cmd, uint32_t arg1, uint32_t arg2, uint32_t arg3) 431.1Smatt */ 441.1Smatt 451.1Smatt .global _C_LABEL(exynos_smc) 461.1Smatt_C_LABEL(exynos_smc): 471.1Smatt stmfd sp!, {r4-r11, lr} 481.1Smatt dsb /* Data Synchronisation Barrier */ 491.1Smatt smc #0 /* Call firmware for all permissions */ 501.1Smatt ldmfd sp!, {r4-r11, pc} 511.1SmattEND(_C_LABEL(exynos_smc)) 521.1Smatt 53