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      1 /* $NetBSD: proc.h,v 1.8 2020/08/12 13:19:35 skrll Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matt Thomas of 3am Software Foundry.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _AARCH64_PROC_H_
     33 #define _AARCH64_PROC_H_
     34 
     35 #ifdef __aarch64__
     36 
     37 #ifdef _KERNEL_OPT
     38 #include "opt_compat_netbsd32.h"
     39 #endif
     40 
     41 struct mdlwp {
     42 	void *md_onfault;
     43 	struct trapframe *md_utf;
     44 	uint64_t md_cpacr;
     45 	uint32_t md_flags;
     46 	volatile uint32_t md_astpending;
     47 
     48 	uint64_t md_ia_kern[2]; /* APIAKey{Lo,Hi}_EL1 used in the kernel */
     49 	uint64_t md_ia_user[2]; /* APIAKey{Lo,Hi}_EL1 used in user-process */
     50 	uint64_t md_ib_user[2]; /* APIBKey{Lo,Hi}_EL1 only used in user-proc. */
     51 	uint64_t md_da_user[2]; /* APDAKey{Lo,Hi}_EL1 only used in user-proc. */
     52 	uint64_t md_db_user[2]; /* APDBKey{Lo,Hi}_EL1 only used in user-proc. */
     53 	uint64_t md_ga_user[2]; /* APGAKey{Lo,Hi}_EL1 only used in user-proc. */
     54 };
     55 
     56 struct mdproc {
     57 	void (*md_syscall)(struct trapframe *);
     58 	char md_march32[12];	/* machine arch of executable */
     59 };
     60 
     61 #ifdef COMPAT_NETBSD32
     62 #define PROC0_MD_INITIALIZERS	.p_md = { .md_march32 = MACHINE32_ARCH },
     63 #endif
     64 
     65 #elif defined(__arm__)
     66 
     67 #include <arm/proc.h>
     68 
     69 #endif /* __aarch64__/__arm__ */
     70 
     71 #endif /* _AARCH64_PROC_H_ */
     72