/* $NetBSD: prekern.h,v 1.25 2022/08/21 14:05:52 mlelstv Exp $ */ /* * Copyright (c) 2017-2020 The NetBSD Foundation, Inc. All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Maxime Villard. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #include <sys/cdefs.h> #include <sys/param.h> #include <sys/stdbool.h> #include <lib/libkern/libkern.h> #include <machine/pmap.h> #include <machine/pte.h> #include <x86/bootspace.h> #include "pdir.h" #include "redef.h" #define ASSERT(a) if (!(a)) fatal("ASSERT: " #a); typedef uint64_t pte_prot_t; #define WHITE_ON_BLACK 0x07 #define RED_ON_BLACK 0x04 #define GREEN_ON_BLACK 0x02 #define YELLOW_ON_BLACK 0x0e #define HEAD_WINDOW_BASE (KERNBASE - NBPD_L3) #define HEAD_WINDOW_SIZE NBPD_L3 #define KASLR_WINDOW_BASE KERNBASE /* max - 2GB */ #define KASLR_WINDOW_SIZE (2LLU * (1 << 30)) /* 2GB */ typedef enum { STATE_NORMAL = 0, STATE_ERROR, STATE_WARNING } state_t; /* -------------------------------------------------------------------------- */ /* console.c */ void init_cons(void); void print_ext(int, char *); void print(char *); void print_state(state_t, char *); void print_banner(void); /* elf.c */ size_t elf_get_head_size(vaddr_t); void elf_build_head(vaddr_t); void elf_fixup_boot(vaddr_t, paddr_t); void elf_map_sections(void); void elf_build_info(void); vaddr_t elf_kernel_reloc(void); /* locore.S */ void cpuid(uint32_t, uint32_t, uint32_t *); void lidt(void *); uint64_t rdtsc(void); int rdseed(uint64_t *); int rdrand(uint64_t *); void jump_kernel(vaddr_t); /* mm.c */ void mm_init(paddr_t); void mm_bootspace_mprotect(void); vaddr_t mm_map_segment(int, paddr_t, size_t, size_t); void mm_map_kernel(void); /* prekern.c */ void fatal(char *); /* prng.c */ void prng_init(void); void prng_get_rand(void *, size_t); |