kvm_arm.h revision 367457
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: stable/11/lib/libkvm/kvm_arm.h 367457 2020-11-07 18:10:59Z dim $
26 */
27
28#ifndef __KVM_ARM_H__
29#define	__KVM_ARM_H__
30
31typedef uint32_t	arm_physaddr_t;
32typedef uint32_t	arm_pd_entry_t;
33typedef uint32_t	arm_pt_entry_t;
34
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)
38
39#define	ARM_L1_TABLE_SIZE	0x4000		/* 16K */
40
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
45
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
50
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
56#define	ARM_L1_TYPE_INV	0x00		/* Invalid (fault) */
57#define	ARM_L1_TYPE_C	0x01		/* Coarse L2 */
58#define	ARM_L1_TYPE_S	0x02		/* Section */
59#define	ARM_L1_TYPE_MASK	0x03		/* Mask	of type	bits */
60
61#define	ARM_L1_S_ADDR_MASK	0xfff00000	/* phys	address	of section */
62#define	ARM_L1_C_ADDR_MASK	0xfffffc00	/* phys	address	of L2 Table */
63
64#define	ARM_L2_TYPE_INV	0x00		/* Invalid (fault) */
65#define	ARM_L2_TYPE_L	0x01		/* Large Page - 64k */
66#define	ARM_L2_TYPE_S	0x02		/* Small Page -  4k */
67#define	ARM_L2_TYPE_T	0x03		/* Tiny Page  -  1k - not used */
68#define	ARM_L2_TYPE_MASK	0x03
69
70#ifdef __arm__
71#include <machine/acle-compat.h>
72
73#if __ARM_ARCH >= 6
74#include <machine/pte-v6.h>
75#else
76#include <machine/pte-v4.h>
77#endif
78
79_Static_assert(PAGE_SHIFT == ARM_PAGE_SHIFT, "PAGE_SHIFT mismatch");
80_Static_assert(PAGE_SIZE == ARM_PAGE_SIZE, "PAGE_SIZE mismatch");
81_Static_assert(PAGE_MASK == ARM_PAGE_MASK, "PAGE_MASK mismatch");
82_Static_assert(L1_TABLE_SIZE == ARM_L1_TABLE_SIZE, "L1_TABLE_SIZE mismatch");
83_Static_assert(L1_S_SIZE == ARM_L1_S_SIZE, "L1_S_SIZE mismatch");
84_Static_assert(L1_S_OFFSET == ARM_L1_S_OFFSET, "L1_S_OFFSET mismatch");
85_Static_assert(L1_S_FRAME == ARM_L1_S_FRAME, "L1_S_FRAME mismatch");
86_Static_assert(L1_S_SHIFT == ARM_L1_S_SHIFT, "L1_S_SHIFT mismatch");
87_Static_assert(L2_L_SIZE == ARM_L2_L_SIZE, "L2_L_SIZE mismatch");
88_Static_assert(L2_L_OFFSET == ARM_L2_L_OFFSET, "L2_L_OFFSET mismatch");
89_Static_assert(L2_L_FRAME == ARM_L2_L_FRAME, "L2_L_FRAME mismatch");
90_Static_assert(L2_L_SHIFT == ARM_L2_L_SHIFT, "L2_L_SHIFT mismatch");
91_Static_assert(L2_S_SIZE == ARM_L2_S_SIZE, "L2_S_SIZE mismatch");
92_Static_assert(L2_S_OFFSET == ARM_L2_S_OFFSET, "L2_S_OFFSET mismatch");
93_Static_assert(L2_S_FRAME == ARM_L2_S_FRAME, "L2_S_FRAME mismatch");
94_Static_assert(L2_S_SHIFT == ARM_L2_S_SHIFT, "L2_S_SHIFT mismatch");
95_Static_assert(L1_TYPE_INV == ARM_L1_TYPE_INV, "L1_TYPE_INV mismatch");
96_Static_assert(L1_TYPE_C == ARM_L1_TYPE_C, "L1_TYPE_C mismatch");
97_Static_assert(L1_TYPE_S == ARM_L1_TYPE_S, "L1_TYPE_S mismatch");
98_Static_assert(L1_TYPE_MASK == ARM_L1_TYPE_MASK, "L1_TYPE_MASK mismatch");
99_Static_assert(L1_S_ADDR_MASK == ARM_L1_S_ADDR_MASK, "L1_S_ADDR_MASK mismatch");
100_Static_assert(L1_C_ADDR_MASK == ARM_L1_C_ADDR_MASK, "L1_C_ADDR_MASK mismatch");
101_Static_assert(L2_TYPE_INV == ARM_L2_TYPE_INV, "L2_TYPE_INV mismatch");
102_Static_assert(L2_TYPE_L == ARM_L2_TYPE_L, "L2_TYPE_L mismatch");
103_Static_assert(L2_TYPE_S == ARM_L2_TYPE_S, "L2_TYPE_S mismatch");
104#if __ARM_ARCH < 6
105_Static_assert(L2_TYPE_T == ARM_L2_TYPE_T, "L2_TYPE_T mismatch");
106#endif
107_Static_assert(L2_TYPE_MASK == ARM_L2_TYPE_MASK, "L2_TYPE_MASK mismatch");
108#endif
109
110int	_arm_native(kvm_t *);
111
112#endif /* !__KVM_ARM_H__ */
113