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 26 #ifndef __KVM_I386_H__ 27 #define __KVM_I386_H__ 28 29 #ifdef __i386__ 30 #include <vm/vm.h> 31 #include <vm/pmap.h> 32 #endif 33 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; 40 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) 52 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) 62 63 #ifdef __i386__ 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"); 67 #if 0 68 _Static_assert(NPTEPG == I386_NPTEPG, "NPTEPG mismatch"); 69 _Static_assert(NBPDR == I386_NBPDR, "NBPDR mismatch"); 70 #endif 71 _Static_assert(PDRSHIFT_NOPAE == I386_PDRSHIFT, "PDRSHIFT mismatch"); 72 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"); 77 #endif 78 79 int _i386_native(kvm_t *); 80 81 #endif /* !__KVM_I386_H__ */ 82