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 /* 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) 50 51 #define AARCH64_ATTR_DESCR_MASK 3 52 53 #define AARCH64_L3_SHIFT 12 54 #define AARCH64_L3_PAGE 0x3 55 56 #ifdef __aarch64__ 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"); 65 #endif 66 67 #endif /* !__KVM_AARCH64_H__ */ 68