xref: /freebsd/lib/libkvm/kvm_i386.h (revision 7f911abe54fff2adbb0dfea5a7fd8e81117d6527)
1*7f911abeSJohn Baldwin /*-
2*7f911abeSJohn Baldwin  * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
3*7f911abeSJohn Baldwin  * All rights reserved.
4*7f911abeSJohn Baldwin  *
5*7f911abeSJohn Baldwin  * Redistribution and use in source and binary forms, with or without
6*7f911abeSJohn Baldwin  * modification, are permitted provided that the following conditions
7*7f911abeSJohn Baldwin  * are met:
8*7f911abeSJohn Baldwin  * 1. Redistributions of source code must retain the above copyright
9*7f911abeSJohn Baldwin  *    notice, this list of conditions and the following disclaimer.
10*7f911abeSJohn Baldwin  * 2. Redistributions in binary form must reproduce the above copyright
11*7f911abeSJohn Baldwin  *    notice, this list of conditions and the following disclaimer in the
12*7f911abeSJohn Baldwin  *    documentation and/or other materials provided with the distribution.
13*7f911abeSJohn Baldwin  *
14*7f911abeSJohn Baldwin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*7f911abeSJohn Baldwin  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*7f911abeSJohn Baldwin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*7f911abeSJohn Baldwin  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*7f911abeSJohn Baldwin  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*7f911abeSJohn Baldwin  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*7f911abeSJohn Baldwin  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*7f911abeSJohn Baldwin  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*7f911abeSJohn Baldwin  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*7f911abeSJohn Baldwin  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*7f911abeSJohn Baldwin  * SUCH DAMAGE.
25*7f911abeSJohn Baldwin  *
26*7f911abeSJohn Baldwin  * $FreeBSD$
27*7f911abeSJohn Baldwin  */
28*7f911abeSJohn Baldwin 
29*7f911abeSJohn Baldwin #ifndef __KVM_I386_H__
30*7f911abeSJohn Baldwin #define	__KVM_I386_H__
31*7f911abeSJohn Baldwin 
32*7f911abeSJohn Baldwin #ifdef __i386__
33*7f911abeSJohn Baldwin #include <vm/vm.h>
34*7f911abeSJohn Baldwin #include <vm/pmap.h>
35*7f911abeSJohn Baldwin #endif
36*7f911abeSJohn Baldwin 
37*7f911abeSJohn Baldwin typedef uint32_t	i386_physaddr_t;
38*7f911abeSJohn Baldwin typedef uint32_t	i386_pte_t;
39*7f911abeSJohn Baldwin typedef uint32_t	i386_pde_t;
40*7f911abeSJohn Baldwin typedef uint64_t	i386_physaddr_pae_t;
41*7f911abeSJohn Baldwin typedef	uint64_t	i386_pte_pae_t;
42*7f911abeSJohn Baldwin typedef	uint64_t	i386_pde_pae_t;
43*7f911abeSJohn Baldwin 
44*7f911abeSJohn Baldwin #define	I386_PAGE_SHIFT		12
45*7f911abeSJohn Baldwin #define	I386_PAGE_SIZE		(1 << I386_PAGE_SHIFT)
46*7f911abeSJohn Baldwin #define	I386_PAGE_MASK		(I386_PAGE_SIZE - 1)
47*7f911abeSJohn Baldwin #define	I386_NPTEPG		(I386_PAGE_SIZE / sizeof(i386_pte_t))
48*7f911abeSJohn Baldwin #define	I386_PDRSHIFT		22
49*7f911abeSJohn Baldwin #define	I386_NBPDR		(1 << I386_PDRSHIFT)
50*7f911abeSJohn Baldwin #define	I386_PAGE_PS_MASK	(I386_NBPDR - 1)
51*7f911abeSJohn Baldwin #define	I386_NPTEPG_PAE		(I386_PAGE_SIZE / sizeof(i386_pte_pae_t))
52*7f911abeSJohn Baldwin #define	I386_PDRSHIFT_PAE	21
53*7f911abeSJohn Baldwin #define	I386_NBPDR_PAE		(1 << I386_PDRSHIFT_PAE)
54*7f911abeSJohn Baldwin #define	I386_PAGE_PS_MASK_PAE	(I386_NBPDR_PAE - 1)
55*7f911abeSJohn Baldwin 
56*7f911abeSJohn Baldwin #define	I386_PG_V		0x001
57*7f911abeSJohn Baldwin #define	I386_PG_PS		0x080
58*7f911abeSJohn Baldwin #define	I386_PG_FRAME_PAE	(0x000ffffffffff000ull)
59*7f911abeSJohn Baldwin #define	I386_PG_PS_FRAME_PAE	(0x000fffffffe00000ull)
60*7f911abeSJohn Baldwin #define	I386_PG_FRAME		(0xfffff000)
61*7f911abeSJohn Baldwin #define	I386_PG_PS_FRAME	(0xffc00000)
62*7f911abeSJohn Baldwin 
63*7f911abeSJohn Baldwin #ifdef __i386__
64*7f911abeSJohn Baldwin _Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch");
65*7f911abeSJohn Baldwin _Static_assert(PAGE_SIZE == I386_PAGE_SIZE, "PAGE_SIZE mismatch");
66*7f911abeSJohn Baldwin _Static_assert(PAGE_MASK == I386_PAGE_MASK, "PAGE_MASK mismatch");
67*7f911abeSJohn Baldwin _Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch");
68*7f911abeSJohn Baldwin _Static_assert(PDRSHIFT == I386_PDRSHIFT, "PDRSHIFT mismatch");
69*7f911abeSJohn Baldwin _Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch");
70*7f911abeSJohn Baldwin 
71*7f911abeSJohn Baldwin _Static_assert(PG_V == I386_PG_V, "PG_V mismatch");
72*7f911abeSJohn Baldwin _Static_assert(PG_PS == I386_PG_PS, "PG_PS mismatch");
73*7f911abeSJohn Baldwin _Static_assert(PG_FRAME == I386_PG_FRAME, "PG_FRAME mismatch");
74*7f911abeSJohn Baldwin _Static_assert(PG_PS_FRAME == I386_PG_PS_FRAME, "PG_PS_FRAME mismatch");
75*7f911abeSJohn Baldwin #endif
76*7f911abeSJohn Baldwin 
77*7f911abeSJohn Baldwin int	_i386_native(kvm_t *);
78*7f911abeSJohn Baldwin 
79*7f911abeSJohn Baldwin #endif /* !__KVM_I386_H__ */
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