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_ARM_H__ 30 #define __KVM_ARM_H__ 31 32 #ifdef __arm__ 33 #include <machine/pte.h> 34 #endif 35 36 typedef uint32_t arm_physaddr_t; 37 typedef uint32_t arm_pd_entry_t; 38 typedef uint32_t arm_pt_entry_t; 39 40 #define ARM_PAGE_SHIFT 12 41 #define ARM_PAGE_SIZE (1 << ARM_PAGE_SHIFT) /* Page size */ 42 #define ARM_PAGE_MASK (ARM_PAGE_SIZE - 1) 43 44 #define ARM_L1_TABLE_SIZE 0x4000 /* 16K */ 45 46 #define ARM_L1_S_SIZE 0x00100000 /* 1M */ 47 #define ARM_L1_S_OFFSET (ARM_L1_S_SIZE - 1) 48 #define ARM_L1_S_FRAME (~ARM_L1_S_OFFSET) 49 #define ARM_L1_S_SHIFT 20 50 51 #define ARM_L2_L_SIZE 0x00010000 /* 64K */ 52 #define ARM_L2_L_OFFSET (ARM_L2_L_SIZE - 1) 53 #define ARM_L2_L_FRAME (~ARM_L2_L_OFFSET) 54 #define ARM_L2_L_SHIFT 16 55 56 #define ARM_L2_S_SIZE 0x00001000 /* 4K */ 57 #define ARM_L2_S_OFFSET (ARM_L2_S_SIZE - 1) 58 #define ARM_L2_S_FRAME (~ARM_L2_S_OFFSET) 59 #define ARM_L2_S_SHIFT 12 60 61 #define ARM_L1_TYPE_INV 0x00 /* Invalid (fault) */ 62 #define ARM_L1_TYPE_C 0x01 /* Coarse L2 */ 63 #define ARM_L1_TYPE_S 0x02 /* Section */ 64 #define ARM_L1_TYPE_MASK 0x03 /* Mask of type bits */ 65 66 #define ARM_L1_S_ADDR_MASK 0xfff00000 /* phys address of section */ 67 #define ARM_L1_C_ADDR_MASK 0xfffffc00 /* phys address of L2 Table */ 68 69 #define ARM_L2_TYPE_INV 0x00 /* Invalid (fault) */ 70 #define ARM_L2_TYPE_L 0x01 /* Large Page - 64k - not used yet*/ 71 #define ARM_L2_TYPE_S 0x02 /* Small Page - 4 */ 72 #define ARM_L2_TYPE_MASK 0x03 73 74 #define ARM_L2_ADDR_BITS 0x000ff000 /* L2 PTE address bits */ 75 76 #ifdef __arm__ 77 _Static_assert(PAGE_SHIFT == ARM_PAGE_SHIFT, "PAGE_SHIFT mismatch"); 78 _Static_assert(PAGE_SIZE == ARM_PAGE_SIZE, "PAGE_SIZE mismatch"); 79 _Static_assert(PAGE_MASK == ARM_PAGE_MASK, "PAGE_MASK mismatch"); 80 _Static_assert(L1_TABLE_SIZE == ARM_L1_TABLE_SIZE, "L1_TABLE_SIZE mismatch"); 81 _Static_assert(L1_S_SIZE == ARM_L1_S_SIZE, "L1_S_SIZE mismatch"); 82 _Static_assert(L1_S_OFFSET == ARM_L1_S_OFFSET, "L1_S_OFFSET mismatch"); 83 _Static_assert(L1_S_FRAME == ARM_L1_S_FRAME, "L1_S_FRAME mismatch"); 84 _Static_assert(L1_S_SHIFT == ARM_L1_S_SHIFT, "L1_S_SHIFT mismatch"); 85 _Static_assert(L2_L_SIZE == ARM_L2_L_SIZE, "L2_L_SIZE mismatch"); 86 _Static_assert(L2_L_OFFSET == ARM_L2_L_OFFSET, "L2_L_OFFSET mismatch"); 87 _Static_assert(L2_L_FRAME == ARM_L2_L_FRAME, "L2_L_FRAME mismatch"); 88 _Static_assert(L2_L_SHIFT == ARM_L2_L_SHIFT, "L2_L_SHIFT mismatch"); 89 _Static_assert(L2_S_SIZE == ARM_L2_S_SIZE, "L2_S_SIZE mismatch"); 90 _Static_assert(L2_S_OFFSET == ARM_L2_S_OFFSET, "L2_S_OFFSET mismatch"); 91 _Static_assert(L2_S_FRAME == ARM_L2_S_FRAME, "L2_S_FRAME mismatch"); 92 _Static_assert(L2_S_SHIFT == ARM_L2_S_SHIFT, "L2_S_SHIFT mismatch"); 93 _Static_assert(L1_TYPE_INV == ARM_L1_TYPE_INV, "L1_TYPE_INV mismatch"); 94 _Static_assert(L1_TYPE_C == ARM_L1_TYPE_C, "L1_TYPE_C mismatch"); 95 _Static_assert(L1_TYPE_S == ARM_L1_TYPE_S, "L1_TYPE_S mismatch"); 96 _Static_assert(L1_TYPE_MASK == ARM_L1_TYPE_MASK, "L1_TYPE_MASK mismatch"); 97 _Static_assert(L1_S_ADDR_MASK == ARM_L1_S_ADDR_MASK, "L1_S_ADDR_MASK mismatch"); 98 _Static_assert(L1_C_ADDR_MASK == ARM_L1_C_ADDR_MASK, "L1_C_ADDR_MASK mismatch"); 99 _Static_assert(L2_TYPE_INV == ARM_L2_TYPE_INV, "L2_TYPE_INV mismatch"); 100 _Static_assert(L2_TYPE_L == ARM_L2_TYPE_L, "L2_TYPE_L mismatch"); 101 _Static_assert(L2_TYPE_S == ARM_L2_TYPE_S, "L2_TYPE_S mismatch"); 102 _Static_assert(L2_TYPE_MASK == ARM_L2_TYPE_MASK, "L2_TYPE_MASK mismatch"); 103 _Static_assert(L2_ADDR_BITS == ARM_L2_ADDR_BITS, "L2_ADDR_BITS mismatch"); 104 #endif 105 106 int _arm_native(kvm_t *); 107 108 #endif /* !__KVM_ARM_H__ */ 109