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Diffstat (limited to 'lib/libkvm/kvm_amd64.h')
| -rw-r--r-- | lib/libkvm/kvm_amd64.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_amd64.h b/lib/libkvm/kvm_amd64.h new file mode 100644 index 000000000000..bc8b08db5036 --- /dev/null +++ b/lib/libkvm/kvm_amd64.h @@ -0,0 +1,87 @@ +/*- + * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org> + * + * 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. + */ + +#ifndef __KVM_AMD64_H__ +#define __KVM_AMD64_H__ + +#ifdef __amd64__ +#include <vm/vm.h> +#include <vm/pmap.h> +#endif + +typedef uint64_t amd64_physaddr_t; +typedef uint64_t amd64_pte_t; +typedef uint64_t amd64_pde_t; +typedef uint64_t amd64_pdpe_t; +typedef uint64_t amd64_pml4e_t; + +#define AMD64_NPTEPG (AMD64_PAGE_SIZE / sizeof(amd64_pte_t)) +#define AMD64_PAGE_SHIFT 12 +#define AMD64_PAGE_SIZE (1 << AMD64_PAGE_SHIFT) +#define AMD64_PAGE_MASK (AMD64_PAGE_SIZE - 1) +#define AMD64_NPDEPG (AMD64_PAGE_SIZE / sizeof(amd64_pde_t)) +#define AMD64_PDRSHIFT 21 +#define AMD64_NBPDR (1 << AMD64_PDRSHIFT) +#define AMD64_PDRMASK (AMD64_NBPDR - 1) +#define AMD64_NPDPEPG (AMD64_PAGE_SIZE / sizeof(amd64_pdpe_t)) +#define AMD64_PDPSHIFT 30 +#define AMD64_NBPDP (1 << AMD64_PDPSHIFT) +#define AMD64_PDPMASK (AMD64_NBPDP - 1) +#define AMD64_NPML4EPG (AMD64_PAGE_SIZE / sizeof(amd64_pml4e_t)) +#define AMD64_PML4SHIFT 39 + +#define AMD64_PG_NX (1ULL << 63) +#define AMD64_PG_V 0x001 +#define AMD64_PG_RW 0x002 +#define AMD64_PG_PS 0x080 +#define AMD64_PG_FRAME (0x000ffffffffff000) +#define AMD64_PG_PS_FRAME (0x000fffffffe00000) +#define AMD64_PG_1GB_FRAME (0x000fffffc0000000) + +#ifdef __amd64__ +_Static_assert(NPTEPG == AMD64_NPTEPG, "NPTEPG mismatch"); +_Static_assert(PAGE_SHIFT == AMD64_PAGE_SHIFT, "PAGE_SHIFT mismatch"); +_Static_assert(PAGE_SIZE == AMD64_PAGE_SIZE, "PAGE_SIZE mismatch"); +_Static_assert(PAGE_MASK == AMD64_PAGE_MASK, "PAGE_MASK mismatch"); +_Static_assert(NPDEPG == AMD64_NPDEPG, "NPDEPG mismatch"); +_Static_assert(PDRSHIFT == AMD64_PDRSHIFT, "PDRSHIFT mismatch"); +_Static_assert(NBPDR == AMD64_NBPDR, "NBPDR mismatch"); +_Static_assert(PDRMASK == AMD64_PDRMASK, "PDRMASK mismatch"); +_Static_assert(NPDPEPG == AMD64_NPDPEPG, "NPDPEPG mismatch"); +_Static_assert(PDPSHIFT == AMD64_PDPSHIFT, "PDPSHIFT mismatch"); +_Static_assert(NBPDP == AMD64_NBPDP, "NBPDP mismatch"); +_Static_assert(PDPMASK == AMD64_PDPMASK, "PDPMASK mismatch"); +_Static_assert(NPML4EPG == AMD64_NPML4EPG, "NPML4EPG mismatch"); +_Static_assert(PML4SHIFT == AMD64_PML4SHIFT, "PML4SHIFT mismatch"); + +_Static_assert(PG_V == AMD64_PG_V, "PG_V mismatch"); +_Static_assert(PG_PS == AMD64_PG_PS, "PG_PS mismatch"); +_Static_assert(PG_FRAME == AMD64_PG_FRAME, "PG_FRAME mismatch"); +_Static_assert(PG_PS_FRAME == AMD64_PG_PS_FRAME, "PG_PS_FRAME mismatch"); +#endif + +int _amd64_native(kvm_t *); + +#endif /* !__KVM_AMD64_H__ */ |