1 /*- 2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #ifndef __KVM_AARCH64_H__ 29 #define __KVM_AARCH64_H__ 30 31 #ifdef __aarch64__ 32 #include <machine/pte.h> 33 #endif 34 35 typedef uint64_t aarch64_physaddr_t; 36 typedef uint64_t aarch64_pte_t; 37 38 #define AARCH64_PAGE_SHIFT 12 39 #define AARCH64_PAGE_SIZE (1 << AARCH64_PAGE_SHIFT) 40 #define AARCH64_PAGE_MASK (AARCH64_PAGE_SIZE - 1) 41 42 /* Source: arm64/include/pte.h */ 43 #define AARCH64_ATTR_MASK 0xfff0000000000fff 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) 49 50 #define AARCH64_ATTR_DESCR_MASK 3 51 52 #define AARCH64_L3_SHIFT 12 53 #define AARCH64_L3_PAGE 0x3 54 55 #ifdef __aarch64__ 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"); 64 #endif 65 66 #endif /* !__KVM_AARCH64_H__ */ 67