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Diffstat (limited to 'lib/libkvm/kvm_i386.h')
| -rw-r--r-- | lib/libkvm/kvm_i386.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_i386.h b/lib/libkvm/kvm_i386.h new file mode 100644 index 0000000..2949e68 --- /dev/null +++ b/lib/libkvm/kvm_i386.h @@ -0,0 +1,79 @@ +/*- + * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __KVM_I386_H__ +#define __KVM_I386_H__ + +#ifdef __i386__ +#include <vm/vm.h> +#include <vm/pmap.h> +#endif + +typedef uint32_t i386_physaddr_t; +typedef uint32_t i386_pte_t; +typedef uint32_t i386_pde_t; +typedef uint64_t i386_physaddr_pae_t; +typedef uint64_t i386_pte_pae_t; +typedef uint64_t i386_pde_pae_t; + +#define I386_PAGE_SHIFT 12 +#define I386_PAGE_SIZE (1 << I386_PAGE_SHIFT) +#define I386_PAGE_MASK (I386_PAGE_SIZE - 1) +#define I386_NPTEPG (I386_PAGE_SIZE / sizeof(i386_pte_t)) +#define I386_PDRSHIFT 22 +#define I386_NBPDR (1 << I386_PDRSHIFT) +#define I386_PAGE_PS_MASK (I386_NBPDR - 1) +#define I386_NPTEPG_PAE (I386_PAGE_SIZE / sizeof(i386_pte_pae_t)) +#define I386_PDRSHIFT_PAE 21 +#define I386_NBPDR_PAE (1 << I386_PDRSHIFT_PAE) +#define I386_PAGE_PS_MASK_PAE (I386_NBPDR_PAE - 1) + +#define I386_PG_V 0x001 +#define I386_PG_PS 0x080 +#define I386_PG_FRAME_PAE (0x000ffffffffff000ull) +#define I386_PG_PS_FRAME_PAE (0x000fffffffe00000ull) +#define I386_PG_FRAME (0xfffff000) +#define I386_PG_PS_FRAME (0xffc00000) + +#ifdef __i386__ +_Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch"); +_Static_assert(PAGE_SIZE == I386_PAGE_SIZE, "PAGE_SIZE mismatch"); +_Static_assert(PAGE_MASK == I386_PAGE_MASK, "PAGE_MASK mismatch"); +_Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch"); +_Static_assert(PDRSHIFT == I386_PDRSHIFT, "PDRSHIFT mismatch"); +_Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch"); + +_Static_assert(PG_V == I386_PG_V, "PG_V mismatch"); +_Static_assert(PG_PS == I386_PG_PS, "PG_PS mismatch"); +_Static_assert(PG_FRAME == I386_PG_FRAME, "PG_FRAME mismatch"); +_Static_assert(PG_PS_FRAME == I386_PG_PS_FRAME, "PG_PS_FRAME mismatch"); +#endif + +int _i386_native(kvm_t *); + +#endif /* !__KVM_I386_H__ */ |
