2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #ifndef __KVM_AARCH64_H__
29 #define __KVM_AARCH64_H__
32 #include <machine/pte.h>
35 typedef uint64_t aarch64_physaddr_t;
36 typedef uint64_t aarch64_pte_t;
38 #define AARCH64_PAGE_SHIFT 12
39 #define AARCH64_PAGE_SIZE (1 << AARCH64_PAGE_SHIFT)
40 #define AARCH64_PAGE_MASK (AARCH64_PAGE_SIZE - 1)
42 /* Source: arm64/include/pte.h */
43 #define AARCH64_ATTR_MASK 0xfffc000000000fff
44 #define AARCH64_ATTR_UXN (1ULL << 54)
45 #define AARCH64_ATTR_PXN (1ULL << 53)
46 #define AARCH64_ATTR_XN (AARCH64_ATTR_PXN | AARCH64_ATTR_UXN)
47 #define AARCH64_ATTR_AP(x) ((x) << 6)
48 #define AARCH64_ATTR_AP_RO (1 << 1)
50 #define AARCH64_ATTR_DESCR_MASK 3
52 #define AARCH64_L3_SHIFT 12
53 #define AARCH64_L3_PAGE 0x3
56 _Static_assert(PAGE_SHIFT == AARCH64_PAGE_SHIFT, "PAGE_SHIFT mismatch");
57 _Static_assert(PAGE_SIZE == AARCH64_PAGE_SIZE, "PAGE_SIZE mismatch");
58 _Static_assert(PAGE_MASK == AARCH64_PAGE_MASK, "PAGE_MASK mismatch");
59 _Static_assert(ATTR_MASK == AARCH64_ATTR_MASK, "ATTR_MASK mismatch");
60 _Static_assert(ATTR_DESCR_MASK == AARCH64_ATTR_DESCR_MASK,
61 "ATTR_DESCR_MASK mismatch");
62 _Static_assert(L3_SHIFT == AARCH64_L3_SHIFT, "L3_SHIFT mismatch");
63 _Static_assert(L3_PAGE == AARCH64_L3_PAGE, "L3_PAGE mismatch");
66 #endif /* !__KVM_AARCH64_H__ */