2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
31 typedef uint32_t arm_physaddr_t;
32 typedef uint32_t arm_pd_entry_t;
33 typedef uint32_t arm_pt_entry_t;
35 #define ARM_PAGE_SHIFT 12
36 #define ARM_PAGE_SIZE (1 << ARM_PAGE_SHIFT) /* Page size */
37 #define ARM_PAGE_MASK (ARM_PAGE_SIZE - 1)
39 #define ARM_L1_TABLE_SIZE 0x4000 /* 16K */
41 #define ARM_L1_S_SIZE 0x00100000 /* 1M */
42 #define ARM_L1_S_OFFSET (ARM_L1_S_SIZE - 1)
43 #define ARM_L1_S_FRAME (~ARM_L1_S_OFFSET)
44 #define ARM_L1_S_SHIFT 20
46 #define ARM_L2_L_SIZE 0x00010000 /* 64K */
47 #define ARM_L2_L_OFFSET (ARM_L2_L_SIZE - 1)
48 #define ARM_L2_L_FRAME (~ARM_L2_L_OFFSET)
49 #define ARM_L2_L_SHIFT 16
51 #define ARM_L2_S_SIZE 0x00001000 /* 4K */
52 #define ARM_L2_S_OFFSET (ARM_L2_S_SIZE - 1)
53 #define ARM_L2_S_FRAME (~ARM_L2_S_OFFSET)
54 #define ARM_L2_S_SHIFT 12
55 #define ARM_L2_TEX1 0x00000080
56 #define ARM_PTE2_RO ARM_L2_TEX1
57 #define ARM_L2_NX 0x00000001
58 #define ARM_PTE2_NX ARM_L2_NX
61 * Note: L2_S_PROT_W differs depending on whether the system is generic or
62 * xscale. This isn't easily accessible in this context, so use an
63 * approximation of 'xscale' which is a subset of 'generic'.
65 #define ARM_L2_AP0(x) ((x) << 4)
67 #define ARM_L2_S_PROT_W (ARM_L2_AP0(ARM_AP_W))
69 #define ARM_L1_TYPE_INV 0x00 /* Invalid (fault) */
70 #define ARM_L1_TYPE_C 0x01 /* Coarse L2 */
71 #define ARM_L1_TYPE_S 0x02 /* Section */
72 #define ARM_L1_TYPE_MASK 0x03 /* Mask of type bits */
74 #define ARM_L1_S_ADDR_MASK 0xfff00000 /* phys address of section */
75 #define ARM_L1_C_ADDR_MASK 0xfffffc00 /* phys address of L2 Table */
77 #define ARM_L2_TYPE_INV 0x00 /* Invalid (fault) */
78 #define ARM_L2_TYPE_L 0x01 /* Large Page - 64k */
79 #define ARM_L2_TYPE_S 0x02 /* Small Page - 4k */
80 #define ARM_L2_TYPE_T 0x03 /* Tiny Page - 1k - not used */
81 #define ARM_L2_TYPE_MASK 0x03
84 #include <machine/acle-compat.h>
87 #include <machine/pte-v6.h>
89 #include <machine/pte-v4.h>
92 _Static_assert(PAGE_SHIFT == ARM_PAGE_SHIFT, "PAGE_SHIFT mismatch");
93 _Static_assert(PAGE_SIZE == ARM_PAGE_SIZE, "PAGE_SIZE mismatch");
94 _Static_assert(PAGE_MASK == ARM_PAGE_MASK, "PAGE_MASK mismatch");
95 _Static_assert(L1_TABLE_SIZE == ARM_L1_TABLE_SIZE, "L1_TABLE_SIZE mismatch");
96 _Static_assert(L1_S_SIZE == ARM_L1_S_SIZE, "L1_S_SIZE mismatch");
97 _Static_assert(L1_S_OFFSET == ARM_L1_S_OFFSET, "L1_S_OFFSET mismatch");
98 _Static_assert(L1_S_FRAME == ARM_L1_S_FRAME, "L1_S_FRAME mismatch");
99 _Static_assert(L1_S_SHIFT == ARM_L1_S_SHIFT, "L1_S_SHIFT mismatch");
100 _Static_assert(L2_L_SIZE == ARM_L2_L_SIZE, "L2_L_SIZE mismatch");
101 _Static_assert(L2_L_OFFSET == ARM_L2_L_OFFSET, "L2_L_OFFSET mismatch");
102 _Static_assert(L2_L_FRAME == ARM_L2_L_FRAME, "L2_L_FRAME mismatch");
103 _Static_assert(L2_L_SHIFT == ARM_L2_L_SHIFT, "L2_L_SHIFT mismatch");
104 _Static_assert(L2_S_SIZE == ARM_L2_S_SIZE, "L2_S_SIZE mismatch");
105 _Static_assert(L2_S_OFFSET == ARM_L2_S_OFFSET, "L2_S_OFFSET mismatch");
106 _Static_assert(L2_S_FRAME == ARM_L2_S_FRAME, "L2_S_FRAME mismatch");
107 _Static_assert(L2_S_SHIFT == ARM_L2_S_SHIFT, "L2_S_SHIFT mismatch");
108 _Static_assert(L1_TYPE_INV == ARM_L1_TYPE_INV, "L1_TYPE_INV mismatch");
109 _Static_assert(L1_TYPE_C == ARM_L1_TYPE_C, "L1_TYPE_C mismatch");
110 _Static_assert(L1_TYPE_S == ARM_L1_TYPE_S, "L1_TYPE_S mismatch");
111 _Static_assert(L1_TYPE_MASK == ARM_L1_TYPE_MASK, "L1_TYPE_MASK mismatch");
112 _Static_assert(L1_S_ADDR_MASK == ARM_L1_S_ADDR_MASK, "L1_S_ADDR_MASK mismatch");
113 _Static_assert(L1_C_ADDR_MASK == ARM_L1_C_ADDR_MASK, "L1_C_ADDR_MASK mismatch");
114 _Static_assert(L2_TYPE_INV == ARM_L2_TYPE_INV, "L2_TYPE_INV mismatch");
115 _Static_assert(L2_TYPE_L == ARM_L2_TYPE_L, "L2_TYPE_L mismatch");
116 _Static_assert(L2_TYPE_S == ARM_L2_TYPE_S, "L2_TYPE_S mismatch");
118 _Static_assert(L2_TYPE_T == ARM_L2_TYPE_T, "L2_TYPE_T mismatch");
120 _Static_assert(L2_TYPE_MASK == ARM_L2_TYPE_MASK, "L2_TYPE_MASK mismatch");
123 int _arm_native(kvm_t *);
125 #endif /* !__KVM_ARM_H__ */