/* * Copyright (c) 2007 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@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ #ifndef _ARM_ASM_H_ #define _ARM_ASM_H_ #include <arm/arch.h> #ifndef __arm64__ #error Why are we including this? #endif /* There is another definition of ALIGN for .c sources */ #ifdef __ASSEMBLER__ #define ALIGN 2 #endif /* ASSEMBLER */ #ifndef FALIGN #define FALIGN ALIGN #endif #define LB(x,n) n #if __STDC__ #ifndef __NO_UNDERSCORES__ #define LCL(x) L ## x #define EXT(x) _ ## x #define LEXT(x) _ ## x ## : #else #define LCL(x) .L ## x #define EXT(x) x #define LEXT(x) x ## : #endif #define LBc(x,n) n ## : #define LBb(x,n) n ## b #define LBf(x,n) n ## f #else /* __STDC__ */ #ifndef __NO_UNDERSCORES__ #define LCL(x) L/**/x #define EXT(x) _/**/x #define LEXT(x) _/**/x/**/: #else /* __NO_UNDERSCORES__ */ #define LCL(x) .L/**/x #define EXT(x) x #define LEXT(x) x/**/: #endif /* __NO_UNDERSCORES__ */ #define LBc(x,n) n/**/: #define LBb(x,n) n/**/b #define LBf(x,n) n/**/f #endif /* __STDC__ */ #define String .asciz #define Value .word #define Times(a,b) (a*b) #define Divide(a,b) (a/b) #ifdef __ASSEMBLER__ #if MACH_KDB #include <ddb/stab.h> /* * This pseudo-assembler line is added so that there will be at least * one N_SO entry in the symbol stable to define the current file name. */ #endif /* MACH_KDB */ /* * Multiline macros must use .macro syntax for now, * as there is no ARM64 statement separator. */ .macro ENTRY .align FALIGN .globl _$0 _$0 : .endmacro .macro ENTRY2 .align FALIGN .globl _$0 .globl _$1 _$0 : _$1 : .endmacro .macro READ_THREAD mrs $0, TPIDR_EL1 .endmacro .macro BRANCH_EXTERN b _$0 .endmacro .macro CALL_EXTERN bl _$0 .endmacro .macro MOV64 movk $0, #((($1) >> 48) & 0x000000000000FFFF), lsl #48 movk $0, #((($1) >> 32) & 0x000000000000FFFF), lsl #32 movk $0, #((($1) >> 16) & 0x000000000000FFFF), lsl #16 movk $0, #((($1) >> 00) & 0x000000000000FFFF), lsl #00 .endmacro #define PUSH_FRAME \ stp fp, lr, [sp, #-16]! %% \ mov fp, sp %% #define POP_FRAME \ mov sp, fp %% \ ldp fp, lr, [sp], #16 %% #define EXT(x) _ ## x #ifdef XNU_KERNEL_PRIVATE .macro PANIC_UNIMPLEMENTED bl _panic_unimplemented .endmacro #endif #else /* NOT __ASSEMBLER__ */ /* These defines are here for .c files that wish to reference global symbols * within __asm__ statements. */ #ifndef __NO_UNDERSCORES__ #define CC_SYM_PREFIX "_" #else #define CC_SYM_PREFIX "" #endif /* __NO_UNDERSCORES__ */ #endif /* __ASSEMBLER__ */ #ifdef __ASSEMBLER__ # define BRANCH_EXTERN(x) b EXT(x) #endif /* __ASSEMBLER__ */ #endif /* _ARM_ASM_H_ */