xref: /netbsd-src/sys/arch/aarch64/include/proc.h (revision 9f2441fc32c617801c27610e3ba47c1538f74a3e)
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