/* * Copyright (c) 2020 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _ARM64_SMCCC_ASM_H_ #define _ARM64_SMCCC_ASM_H_ #ifndef __ASSEMBLER__ #error "This header should only be used in .s files" #endif /* * SAVE_SMCCC_CLOBBERED_REGISTERS * * Saves x0-x3 to stack in preparation for an hvc/smc call. */ .macro SAVE_SMCCC_CLOBBERED_REGISTERS stp x0, x1, [sp, #- 16]! stp x2, x3, [sp, #- 16]! .endmacro /* * LOAD_SMCCC_CLOBBERED_REGISTERS * * Loads x0-x3 from stack after an hvc/smc call. */ .macro LOAD_SMCCC_CLOBBERED_REGISTERS ldp x2, x3, [sp], #16 ldp x0, x1, [sp], #16 .endmacro #endif /* _ARM64_SMCCC_ASM_H_ */ /* vim: set ts=4 ft=asm: */