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
33 #include <machine/pte.h>
36 typedef uint32_t arm_physaddr_t;
37 typedef uint32_t arm_pd_entry_t;
38 typedef uint32_t arm_pt_entry_t;
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)
44 #define ARM_L1_TABLE_SIZE 0x4000 /* 16K */
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
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
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
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 */
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 */
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
74 #define ARM_L2_ADDR_BITS 0x000ff000 /* L2 PTE address bits */
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");
106 int _arm_native(kvm_t *);
108 #endif /* !__KVM_ARM_H__ */