--- /dev/null
+/*
+ * 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_ */