xref: /freebsd/lib/libkvm/kvm_aarch64.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*-
2  * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef __KVM_AARCH64_H__
30 #define	__KVM_AARCH64_H__
31 
32 #ifdef __aarch64__
33 #include <machine/pte.h>
34 #endif
35 
36 typedef uint64_t	aarch64_physaddr_t;
37 typedef uint64_t	aarch64_pte_t;
38 
39 #define	AARCH64_PAGE_SHIFT	12
40 #define	AARCH64_PAGE_SIZE	(1 << AARCH64_PAGE_SHIFT)
41 #define	AARCH64_PAGE_MASK	(AARCH64_PAGE_SIZE - 1)
42 
43 #define	AARCH64_ATTR_MASK	0xfff0000000000fff
44 
45 #define	AARCH64_ATTR_DESCR_MASK	3
46 
47 #define	AARCH64_L3_SHIFT	12
48 #define	AARCH64_L3_PAGE		0x3
49 
50 #ifdef __aarch64__
51 _Static_assert(PAGE_SHIFT == AARCH64_PAGE_SHIFT, "PAGE_SHIFT mismatch");
52 _Static_assert(PAGE_SIZE == AARCH64_PAGE_SIZE, "PAGE_SIZE mismatch");
53 _Static_assert(PAGE_MASK == AARCH64_PAGE_MASK, "PAGE_MASK mismatch");
54 _Static_assert(ATTR_MASK == AARCH64_ATTR_MASK, "ATTR_MASK mismatch");
55 _Static_assert(ATTR_DESCR_MASK == AARCH64_ATTR_DESCR_MASK,
56     "ATTR_DESCR_MASK mismatch");
57 _Static_assert(L3_SHIFT == AARCH64_L3_SHIFT, "L3_SHIFT mismatch");
58 _Static_assert(L3_PAGE == AARCH64_L3_PAGE, "L3_PAGE mismatch");
59 #endif
60 
61 #endif /* !__KVM_AARCH64_H__ */
62