1 /*- 2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef __KVM_MIPS_H__ 30 #define __KVM_MIPS_H__ 31 32 #ifdef __mips__ 33 #include <machine/pte.h> 34 #endif 35 36 typedef uint64_t mips_physaddr_t; 37 38 #define MIPS_PAGE_SHIFT 12 39 #define MIPS_PAGE_SIZE (1 << MIPS_PAGE_SHIFT) 40 #define MIPS_PAGE_MASK (MIPS_PAGE_SIZE - 1) 41 42 #define MIPS32_KSEG0_START 0x80000000 43 #define MIPS32_KSEG0_END 0x9fffffff 44 #define MIPS32_KSEG1_START 0xa0000000 45 #define MIPS32_KSEG1_END 0xbfffffff 46 #define MIPS64_KSEG0_START 0xffffffff80000000 47 #define MIPS64_KSEG0_END 0xffffffff9fffffff 48 #define MIPS64_KSEG1_START 0xffffffffa0000000 49 #define MIPS64_KSEG1_END 0xffffffffbfffffff 50 51 #define MIPS32_PFN_MASK (0x1FFFFFC0) 52 #define MIPS64_PFN_MASK 0x3FFFFFFC0 53 #define MIPS_PFN_SHIFT (6) 54 55 #define MIPS_PFN_TO_PA(pfn) (((pfn) >> MIPS_PFN_SHIFT) << MIPS_PAGE_SHIFT) 56 #define MIPS32_PTE_TO_PFN(pte) ((pte) & MIPS32_PFN_MASK) 57 #define MIPS32_PTE_TO_PA(pte) (MIPS_PFN_TO_PA(MIPS32_PTE_TO_PFN((pte)))) 58 #define MIPS64_PTE_TO_PFN(pte) ((pte) & MIPS64_PFN_MASK) 59 #define MIPS64_PTE_TO_PA(pte) (MIPS_PFN_TO_PA(MIPS64_PTE_TO_PFN((pte)))) 60 61 #ifdef __mips__ 62 _Static_assert(PAGE_SHIFT == MIPS_PAGE_SHIFT, "PAGE_SHIFT mismatch"); 63 _Static_assert(PAGE_SIZE == MIPS_PAGE_SIZE, "PAGE_SIZE mismatch"); 64 _Static_assert(PAGE_MASK == MIPS_PAGE_MASK, "PAGE_MASK mismatch"); 65 #ifdef __mips_n64 66 _Static_assert((uint64_t)MIPS_KSEG0_START == MIPS64_KSEG0_START, 67 "MIPS_KSEG0_START mismatch"); 68 _Static_assert((uint64_t)MIPS_KSEG0_END == MIPS64_KSEG0_END, 69 "MIPS_KSEG0_END mismatch"); 70 _Static_assert((uint64_t)MIPS_KSEG1_START == MIPS64_KSEG1_START, 71 "MIPS_KSEG1_START mismatch"); 72 _Static_assert((uint64_t)MIPS_KSEG1_END == MIPS64_KSEG1_END, 73 "MIPS_KSEG1_END mismatch"); 74 #else 75 _Static_assert((uint32_t)MIPS_KSEG0_START == MIPS32_KSEG0_START, 76 "MIPS_KSEG0_START mismatch"); 77 _Static_assert((uint32_t)MIPS_KSEG0_END == MIPS32_KSEG0_END, 78 "MIPS_KSEG0_END mismatch"); 79 _Static_assert((uint32_t)MIPS_KSEG1_START == MIPS32_KSEG1_START, 80 "MIPS_KSEG1_START mismatch"); 81 _Static_assert((uint32_t)MIPS_KSEG1_END == MIPS32_KSEG1_END, 82 "MIPS_KSEG1_END mismatch"); 83 #endif 84 #if defined(__mips_n64) || defined(__mips_n32) 85 _Static_assert(TLBLO_PFN_MASK == MIPS64_PFN_MASK, "TLBLO_PFN_MASK mismatch"); 86 #else 87 _Static_assert(TLBLO_PFN_MASK == MIPS32_PFN_MASK, "TLBLO_PFN_MASK mismatch"); 88 #endif 89 _Static_assert(TLBLO_PFN_SHIFT == MIPS_PFN_SHIFT, "TLBLO_PFN_SHIFT mismatch"); 90 _Static_assert(TLB_PAGE_SHIFT == MIPS_PAGE_SHIFT, "TLB_PAGE_SHIFT mismatch"); 91 #endif 92 93 #endif /* !__KVM_MIPS_H__ */ 94