1 /*- 2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #ifndef __KVM_I386_H__ 29 #define __KVM_I386_H__ 30 31 #ifdef __i386__ 32 #include <vm/vm.h> 33 #include <vm/pmap.h> 34 #endif 35 36 typedef uint32_t i386_physaddr_t; 37 typedef uint32_t i386_pte_t; 38 typedef uint32_t i386_pde_t; 39 typedef uint64_t i386_physaddr_pae_t; 40 typedef uint64_t i386_pte_pae_t; 41 typedef uint64_t i386_pde_pae_t; 42 43 #define I386_PAGE_SHIFT 12 44 #define I386_PAGE_SIZE (1 << I386_PAGE_SHIFT) 45 #define I386_PAGE_MASK (I386_PAGE_SIZE - 1) 46 #define I386_NPTEPG (I386_PAGE_SIZE / sizeof(i386_pte_t)) 47 #define I386_PDRSHIFT 22 48 #define I386_NBPDR (1 << I386_PDRSHIFT) 49 #define I386_PAGE_PS_MASK (I386_NBPDR - 1) 50 #define I386_NPTEPG_PAE (I386_PAGE_SIZE / sizeof(i386_pte_pae_t)) 51 #define I386_PDRSHIFT_PAE 21 52 #define I386_NBPDR_PAE (1 << I386_PDRSHIFT_PAE) 53 #define I386_PAGE_PS_MASK_PAE (I386_NBPDR_PAE - 1) 54 55 /* Source: i386/include/pmap.h */ 56 #define I386_PG_V 0x001 57 #define I386_PG_RW 0x002 58 #define I386_PG_PS 0x080 59 #define I386_PG_NX (1ULL << 63) 60 #define I386_PG_FRAME_PAE (0x000ffffffffff000ull) 61 #define I386_PG_PS_FRAME_PAE (0x000fffffffe00000ull) 62 #define I386_PG_FRAME (0xfffff000) 63 #define I386_PG_PS_FRAME (0xffc00000) 64 65 #ifdef __i386__ 66 _Static_assert(PAGE_SHIFT == I386_PAGE_SHIFT, "PAGE_SHIFT mismatch"); 67 _Static_assert(PAGE_SIZE == I386_PAGE_SIZE, "PAGE_SIZE mismatch"); 68 _Static_assert(PAGE_MASK == I386_PAGE_MASK, "PAGE_MASK mismatch"); 69 #if 0 70 _Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch"); 71 _Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch"); 72 #endif 73 _Static_assert(PDRSHIFT_NOPAE == I386_PDRSHIFT, "PDRSHIFT mismatch"); 74 75 _Static_assert(PG_V == I386_PG_V, "PG_V mismatch"); 76 _Static_assert(PG_PS == I386_PG_PS, "PG_PS mismatch"); 77 _Static_assert((u_int)PG_FRAME_NOPAE == I386_PG_FRAME, "PG_FRAME mismatch"); 78 _Static_assert(PG_PS_FRAME_NOPAE == I386_PG_PS_FRAME, "PG_PS_FRAME mismatch"); 79 #endif 80 81 int _i386_native(kvm_t *); 82 83 #endif /* !__KVM_I386_H__ */ 84