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
26 #ifndef __KVM_I386_H__
27 #define __KVM_I386_H__
34 typedef uint32_t i386_physaddr_t;
35 typedef uint32_t i386_pte_t;
36 typedef uint32_t i386_pde_t;
37 typedef uint64_t i386_physaddr_pae_t;
38 typedef uint64_t i386_pte_pae_t;
39 typedef uint64_t i386_pde_pae_t;
41 #define I386_PAGE_SHIFT 12
42 #define I386_PAGE_SIZE (1 << I386_PAGE_SHIFT)
43 #define I386_PAGE_MASK (I386_PAGE_SIZE - 1)
44 #define I386_NPTEPG (I386_PAGE_SIZE / sizeof(i386_pte_t))
45 #define I386_PDRSHIFT 22
46 #define I386_NBPDR (1 << I386_PDRSHIFT)
47 #define I386_PAGE_PS_MASK (I386_NBPDR - 1)
48 #define I386_NPTEPG_PAE (I386_PAGE_SIZE / sizeof(i386_pte_pae_t))
49 #define I386_PDRSHIFT_PAE 21
50 #define I386_NBPDR_PAE (1 << I386_PDRSHIFT_PAE)
51 #define I386_PAGE_PS_MASK_PAE (I386_NBPDR_PAE - 1)
53 /* Source: i386/include/pmap.h */
54 #define I386_PG_V 0x001
55 #define I386_PG_RW 0x002
56 #define I386_PG_PS 0x080
57 #define I386_PG_NX (1ULL << 63)
58 #define I386_PG_FRAME_PAE (0x000ffffffffff000ull)
59 #define I386_PG_PS_FRAME_PAE (0x000fffffffe00000ull)
60 #define I386_PG_FRAME (0xfffff000)
61 #define I386_PG_PS_FRAME (0xffc00000)
64 _Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch");
65 _Static_assert(PAGE_SIZE == I386_PAGE_SIZE, "PAGE_SIZE mismatch");
66 _Static_assert(PAGE_MASK == I386_PAGE_MASK, "PAGE_MASK mismatch");
68 _Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch");
69 _Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch");
71 _Static_assert(PDRSHIFT_NOPAE == I386_PDRSHIFT, "PDRSHIFT mismatch");
73 _Static_assert(PG_V == I386_PG_V, "PG_V mismatch");
74 _Static_assert(PG_PS == I386_PG_PS, "PG_PS mismatch");
75 _Static_assert((u_int)PG_FRAME_NOPAE == I386_PG_FRAME, "PG_FRAME mismatch");
76 _Static_assert(PG_PS_FRAME_NOPAE == I386_PG_PS_FRAME, "PG_PS_FRAME mismatch");
79 int _i386_native(kvm_t *);
81 #endif /* !__KVM_I386_H__ */