kvm_i386.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_i386.h 367457 2020-11-07 18:10:59Z dim $
26 */
27
28#ifndef __KVM_I386_H__
29#define	__KVM_I386_H__
30
31#ifdef __i386__
32#include <vm/vm.h>
33#include <vm/pmap.h>
34#endif
35
36typedef uint32_t	i386_physaddr_t;
37typedef uint32_t	i386_pte_t;
38typedef uint32_t	i386_pde_t;
39typedef uint64_t	i386_physaddr_pae_t;
40typedef	uint64_t	i386_pte_pae_t;
41typedef	uint64_t	i386_pde_pae_t;
42
43#define	I386_PAGE_SHIFT		12
44#define	I386_PAGE_SIZE		(1 << I386_PAGE_SHIFT)
45#define	I386_PAGE_MASK		(I386_PAGE_SIZE - 1)
46#define	I386_NPTEPG		(I386_PAGE_SIZE / sizeof(i386_pte_t))
47#define	I386_PDRSHIFT		22
48#define	I386_NBPDR		(1 << I386_PDRSHIFT)
49#define	I386_PAGE_PS_MASK	(I386_NBPDR - 1)
50#define	I386_NPTEPG_PAE		(I386_PAGE_SIZE / sizeof(i386_pte_pae_t))
51#define	I386_PDRSHIFT_PAE	21
52#define	I386_NBPDR_PAE		(1 << I386_PDRSHIFT_PAE)
53#define	I386_PAGE_PS_MASK_PAE	(I386_NBPDR_PAE - 1)
54
55#define	I386_PG_V		0x001
56#define	I386_PG_PS		0x080
57#define	I386_PG_FRAME_PAE	(0x000ffffffffff000ull)
58#define	I386_PG_PS_FRAME_PAE	(0x000fffffffe00000ull)
59#define	I386_PG_FRAME		(0xfffff000)
60#define	I386_PG_PS_FRAME	(0xffc00000)
61
62#ifdef __i386__
63_Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch");
64_Static_assert(PAGE_SIZE == I386_PAGE_SIZE, "PAGE_SIZE mismatch");
65_Static_assert(PAGE_MASK == I386_PAGE_MASK, "PAGE_MASK mismatch");
66_Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch");
67_Static_assert(PDRSHIFT == I386_PDRSHIFT, "PDRSHIFT mismatch");
68_Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch");
69
70_Static_assert(PG_V == I386_PG_V, "PG_V mismatch");
71_Static_assert(PG_PS == I386_PG_PS, "PG_PS mismatch");
72_Static_assert((u_int)PG_FRAME == I386_PG_FRAME, "PG_FRAME mismatch");
73_Static_assert(PG_PS_FRAME == I386_PG_PS_FRAME, "PG_PS_FRAME mismatch");
74#endif
75
76int	_i386_native(kvm_t *);
77
78#endif /* !__KVM_I386_H__ */
79