prekern.h revision 1.18.2.2
1 1.18.2.2 jdolecek /* $NetBSD: prekern.h,v 1.18.2.2 2017/12/03 11:35:48 jdolecek Exp $ */ 2 1.18.2.2 jdolecek 3 1.18.2.2 jdolecek /* 4 1.18.2.2 jdolecek * Copyright (c) 2017 The NetBSD Foundation, Inc. All rights reserved. 5 1.18.2.2 jdolecek * 6 1.18.2.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 7 1.18.2.2 jdolecek * by Maxime Villard. 8 1.18.2.2 jdolecek * 9 1.18.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 10 1.18.2.2 jdolecek * modification, are permitted provided that the following conditions 11 1.18.2.2 jdolecek * are met: 12 1.18.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 13 1.18.2.2 jdolecek * notice, this list of conditions and the following disclaimer. 14 1.18.2.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 15 1.18.2.2 jdolecek * notice, this list of conditions and the following disclaimer in the 16 1.18.2.2 jdolecek * documentation and/or other materials provided with the distribution. 17 1.18.2.2 jdolecek * 18 1.18.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 1.18.2.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.18.2.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.18.2.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 1.18.2.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.18.2.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.18.2.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.18.2.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.18.2.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.18.2.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.18.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 29 1.18.2.2 jdolecek */ 30 1.18.2.2 jdolecek 31 1.18.2.2 jdolecek #include <sys/cdefs.h> 32 1.18.2.2 jdolecek #include <sys/param.h> 33 1.18.2.2 jdolecek #include <sys/stdbool.h> 34 1.18.2.2 jdolecek #include <lib/libkern/libkern.h> 35 1.18.2.2 jdolecek #include <machine/pte.h> 36 1.18.2.2 jdolecek 37 1.18.2.2 jdolecek #include "pdir.h" 38 1.18.2.2 jdolecek #include "redef.h" 39 1.18.2.2 jdolecek 40 1.18.2.2 jdolecek #define ASSERT(a) if (!(a)) fatal("ASSERT"); 41 1.18.2.2 jdolecek typedef uint64_t paddr_t; 42 1.18.2.2 jdolecek typedef uint64_t vaddr_t; 43 1.18.2.2 jdolecek typedef uint64_t pt_entry_t; 44 1.18.2.2 jdolecek typedef uint64_t pte_prot_t; 45 1.18.2.2 jdolecek #define WHITE_ON_BLACK 0x07 46 1.18.2.2 jdolecek #define RED_ON_BLACK 0x04 47 1.18.2.2 jdolecek #define GREEN_ON_BLACK 0x02 48 1.18.2.2 jdolecek 49 1.18.2.2 jdolecek #define HEAD_WINDOW_BASE (KERNBASE - NBPD_L3) 50 1.18.2.2 jdolecek #define HEAD_WINDOW_SIZE NBPD_L3 51 1.18.2.2 jdolecek 52 1.18.2.2 jdolecek #define KASLR_WINDOW_BASE KERNBASE /* max - 2GB */ 53 1.18.2.2 jdolecek #define KASLR_WINDOW_SIZE (2LLU * (1 << 30)) /* 2GB */ 54 1.18.2.2 jdolecek 55 1.18.2.2 jdolecek /* -------------------------------------------------------------------------- */ 56 1.18.2.2 jdolecek 57 1.18.2.2 jdolecek #define BTSEG_NONE 0 58 1.18.2.2 jdolecek #define BTSEG_TEXT 1 59 1.18.2.2 jdolecek #define BTSEG_RODATA 2 60 1.18.2.2 jdolecek #define BTSEG_DATA 3 61 1.18.2.2 jdolecek #define BTSPACE_NSEGS 64 62 1.18.2.2 jdolecek struct bootspace { 63 1.18.2.2 jdolecek struct { 64 1.18.2.2 jdolecek vaddr_t va; 65 1.18.2.2 jdolecek paddr_t pa; 66 1.18.2.2 jdolecek size_t sz; 67 1.18.2.2 jdolecek } head; 68 1.18.2.2 jdolecek struct { 69 1.18.2.2 jdolecek int type; 70 1.18.2.2 jdolecek vaddr_t va; 71 1.18.2.2 jdolecek paddr_t pa; 72 1.18.2.2 jdolecek size_t sz; 73 1.18.2.2 jdolecek } segs[BTSPACE_NSEGS]; 74 1.18.2.2 jdolecek struct { 75 1.18.2.2 jdolecek vaddr_t va; 76 1.18.2.2 jdolecek paddr_t pa; 77 1.18.2.2 jdolecek size_t sz; 78 1.18.2.2 jdolecek } boot; 79 1.18.2.2 jdolecek vaddr_t spareva; 80 1.18.2.2 jdolecek vaddr_t pdir; 81 1.18.2.2 jdolecek vaddr_t emodule; 82 1.18.2.2 jdolecek }; 83 1.18.2.2 jdolecek 84 1.18.2.2 jdolecek /* console.c */ 85 1.18.2.2 jdolecek void init_cons(void); 86 1.18.2.2 jdolecek void print_ext(int, char *); 87 1.18.2.2 jdolecek void print(char *); 88 1.18.2.2 jdolecek void print_state(bool, char *); 89 1.18.2.2 jdolecek void print_banner(void); 90 1.18.2.2 jdolecek 91 1.18.2.2 jdolecek /* elf.c */ 92 1.18.2.2 jdolecek size_t elf_get_head_size(vaddr_t); 93 1.18.2.2 jdolecek void elf_build_head(vaddr_t); 94 1.18.2.2 jdolecek void elf_map_sections(void); 95 1.18.2.2 jdolecek void elf_build_boot(vaddr_t, paddr_t); 96 1.18.2.2 jdolecek vaddr_t elf_kernel_reloc(void); 97 1.18.2.2 jdolecek 98 1.18.2.2 jdolecek /* locore.S */ 99 1.18.2.2 jdolecek void cpuid(uint32_t, uint32_t, uint32_t *); 100 1.18.2.2 jdolecek void lidt(void *); 101 1.18.2.2 jdolecek uint64_t rdtsc(void); 102 1.18.2.2 jdolecek int rdseed(uint64_t *); 103 1.18.2.2 jdolecek int rdrand(uint64_t *); 104 1.18.2.2 jdolecek void jump_kernel(vaddr_t); 105 1.18.2.2 jdolecek 106 1.18.2.2 jdolecek /* mm.c */ 107 1.18.2.2 jdolecek void mm_init(paddr_t); 108 1.18.2.2 jdolecek void mm_bootspace_mprotect(void); 109 1.18.2.2 jdolecek vaddr_t mm_map_segment(int, paddr_t, size_t, size_t); 110 1.18.2.2 jdolecek void mm_map_kernel(void); 111 1.18.2.2 jdolecek 112 1.18.2.2 jdolecek /* prekern.c */ 113 1.18.2.2 jdolecek void fatal(char *); 114 1.18.2.2 jdolecek 115 1.18.2.2 jdolecek /* prng.c */ 116 1.18.2.2 jdolecek void prng_init(void); 117 1.18.2.2 jdolecek void prng_get_rand(void *, size_t); 118
Indexes created Wed Oct 01 19:09:53 GMT 2025