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82 lines
3.1 KiB
C
82 lines
3.1 KiB
C
/*-
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* Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __KVM_I386_H__
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#define __KVM_I386_H__
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#ifdef __i386__
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#endif
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typedef uint32_t i386_physaddr_t;
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typedef uint32_t i386_pte_t;
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typedef uint32_t i386_pde_t;
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typedef uint64_t i386_physaddr_pae_t;
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typedef uint64_t i386_pte_pae_t;
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typedef uint64_t i386_pde_pae_t;
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#define I386_PAGE_SHIFT 12
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#define I386_PAGE_SIZE (1 << I386_PAGE_SHIFT)
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#define I386_PAGE_MASK (I386_PAGE_SIZE - 1)
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#define I386_NPTEPG (I386_PAGE_SIZE / sizeof(i386_pte_t))
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#define I386_PDRSHIFT 22
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#define I386_NBPDR (1 << I386_PDRSHIFT)
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#define I386_PAGE_PS_MASK (I386_NBPDR - 1)
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#define I386_NPTEPG_PAE (I386_PAGE_SIZE / sizeof(i386_pte_pae_t))
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#define I386_PDRSHIFT_PAE 21
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#define I386_NBPDR_PAE (1 << I386_PDRSHIFT_PAE)
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#define I386_PAGE_PS_MASK_PAE (I386_NBPDR_PAE - 1)
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/* Source: i386/include/pmap.h */
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#define I386_PG_V 0x001
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#define I386_PG_RW 0x002
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#define I386_PG_PS 0x080
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#define I386_PG_NX (1ULL << 63)
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#define I386_PG_FRAME_PAE (0x000ffffffffff000ull)
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#define I386_PG_PS_FRAME_PAE (0x000fffffffe00000ull)
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#define I386_PG_FRAME (0xfffff000)
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#define I386_PG_PS_FRAME (0xffc00000)
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#ifdef __i386__
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_Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch");
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_Static_assert(PAGE_SIZE == I386_PAGE_SIZE, "PAGE_SIZE mismatch");
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_Static_assert(PAGE_MASK == I386_PAGE_MASK, "PAGE_MASK mismatch");
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#if 0
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_Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch");
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_Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch");
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#endif
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_Static_assert(PDRSHIFT_NOPAE == I386_PDRSHIFT, "PDRSHIFT mismatch");
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_Static_assert(PG_V == I386_PG_V, "PG_V mismatch");
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_Static_assert(PG_PS == I386_PG_PS, "PG_PS mismatch");
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_Static_assert((u_int)PG_FRAME_NOPAE == I386_PG_FRAME, "PG_FRAME mismatch");
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_Static_assert(PG_PS_FRAME_NOPAE == I386_PG_PS_FRAME, "PG_PS_FRAME mismatch");
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#endif
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int _i386_native(kvm_t *);
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#endif /* !__KVM_I386_H__ */
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