2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef __KVM_AARCH64_H__
30 #define __KVM_AARCH64_H__
33 #include <machine/pte.h>
36 typedef uint64_t aarch64_physaddr_t;
37 typedef uint64_t aarch64_pte_t;
39 #define AARCH64_PAGE_SHIFT 12
40 #define AARCH64_PAGE_SIZE (1 << AARCH64_PAGE_SHIFT)
41 #define AARCH64_PAGE_MASK (AARCH64_PAGE_SIZE - 1)
43 /* Source: arm64/include/pte.h */
44 #define AARCH64_ATTR_MASK 0xfff0000000000fff
45 #define AARCH64_ATTR_UXN (1ULL << 54)
46 #define AARCH64_ATTR_PXN (1ULL << 53)
47 #define AARCH64_ATTR_XN (AARCH64_ATTR_PXN | AARCH64_ATTR_UXN)
48 #define AARCH64_ATTR_AP(x) ((x) << 6)
49 #define AARCH64_ATTR_AP_RO (1 << 1)
51 #define AARCH64_ATTR_DESCR_MASK 3
53 #define AARCH64_L3_SHIFT 12
54 #define AARCH64_L3_PAGE 0x3
57 _Static_assert(PAGE_SHIFT == AARCH64_PAGE_SHIFT, "PAGE_SHIFT mismatch");
58 _Static_assert(PAGE_SIZE == AARCH64_PAGE_SIZE, "PAGE_SIZE mismatch");
59 _Static_assert(PAGE_MASK == AARCH64_PAGE_MASK, "PAGE_MASK mismatch");
60 _Static_assert(ATTR_MASK == AARCH64_ATTR_MASK, "ATTR_MASK mismatch");
61 _Static_assert(ATTR_DESCR_MASK == AARCH64_ATTR_DESCR_MASK,
62 "ATTR_DESCR_MASK mismatch");
63 _Static_assert(L3_SHIFT == AARCH64_L3_SHIFT, "L3_SHIFT mismatch");
64 _Static_assert(L3_PAGE == AARCH64_L3_PAGE, "L3_PAGE mismatch");
67 #endif /* !__KVM_AARCH64_H__ */