18368e25fSAaron LI /* 28368e25fSAaron LI * Copyright (c) 2018 The NetBSD Foundation, Inc. All rights reserved. 38368e25fSAaron LI * 48368e25fSAaron LI * This code is derived from software contributed to The NetBSD Foundation 58368e25fSAaron LI * by Maxime Villard. 68368e25fSAaron LI * 78368e25fSAaron LI * Redistribution and use in source and binary forms, with or without 88368e25fSAaron LI * modification, are permitted provided that the following conditions 98368e25fSAaron LI * are met: 108368e25fSAaron LI * 1. Redistributions of source code must retain the above copyright 118368e25fSAaron LI * notice, this list of conditions and the following disclaimer. 128368e25fSAaron LI * 2. Redistributions in binary form must reproduce the above copyright 138368e25fSAaron LI * notice, this list of conditions and the following disclaimer in the 148368e25fSAaron LI * documentation and/or other materials provided with the distribution. 158368e25fSAaron LI * 168368e25fSAaron LI * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 178368e25fSAaron LI * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 188368e25fSAaron LI * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 198368e25fSAaron LI * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 208368e25fSAaron LI * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 218368e25fSAaron LI * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 228368e25fSAaron LI * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 238368e25fSAaron LI * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 248368e25fSAaron LI * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 258368e25fSAaron LI * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 268368e25fSAaron LI * POSSIBILITY OF SUCH DAMAGE. 278368e25fSAaron LI */ 288368e25fSAaron LI 29aaa1e810SAaron LI #ifndef SMALLKERN_H_ 30aaa1e810SAaron LI #define SMALLKERN_H_ 31aaa1e810SAaron LI 32*20b815aaSAaron LI /* 33*20b815aaSAaron LI * Must define _KERNEL on DragonFly, otherwise some necessary bits/headers 34*20b815aaSAaron LI * won't be pulled in. However, don't define _KERNEL on NetBSD, because it 35*20b815aaSAaron LI * would try to pull in kernel headers not installed in /usr/include. 36*20b815aaSAaron LI */ 37*20b815aaSAaron LI #ifdef __DragonFly__ 38*20b815aaSAaron LI #define _KERNEL 39*20b815aaSAaron LI #endif 40*20b815aaSAaron LI 418368e25fSAaron LI #include <sys/cdefs.h> 428368e25fSAaron LI #include <sys/param.h> 43*20b815aaSAaron LI #ifdef __NetBSD__ 448368e25fSAaron LI #include <sys/stdbool.h> 45*20b815aaSAaron LI #else /* DragonFly */ 46*20b815aaSAaron LI #include <sys/stdint.h> 47*20b815aaSAaron LI #endif 488368e25fSAaron LI 498368e25fSAaron LI #define MM_PROT_READ 0x00 508368e25fSAaron LI #define MM_PROT_WRITE 0x01 518368e25fSAaron LI #define MM_PROT_EXECUTE 0x02 528368e25fSAaron LI 53aaa1e810SAaron LI #define WHITE_ON_BLACK 0x07 54aaa1e810SAaron LI #define RED_ON_BLACK 0x04 55aaa1e810SAaron LI #define GREEN_ON_BLACK 0x02 56aaa1e810SAaron LI 578368e25fSAaron LI #define ASSERT(a) if (!(a)) fatal("ASSERT"); 588368e25fSAaron LI #define memset(d, v, l) __builtin_memset(d, v, l) 598368e25fSAaron LI #define memcpy(d, v, l) __builtin_memcpy(d, v, l) 60aaa1e810SAaron LI 618368e25fSAaron LI typedef uint64_t paddr_t; 628368e25fSAaron LI typedef uint64_t vaddr_t; 638368e25fSAaron LI typedef uint64_t pt_entry_t; 648368e25fSAaron LI typedef uint64_t pd_entry_t; 658368e25fSAaron LI typedef uint64_t pte_prot_t; 66aaa1e810SAaron LI 67aaa1e810SAaron LI struct smallframe; 688368e25fSAaron LI 698368e25fSAaron LI /* -------------------------------------------------------------------------- */ 708368e25fSAaron LI 718368e25fSAaron LI /* console.c */ 728368e25fSAaron LI void print(char *); 73aaa1e810SAaron LI void print_banner(void); 74aaa1e810SAaron LI void print_ext(int, char *); 758368e25fSAaron LI void print_state(bool, char *); 768368e25fSAaron LI 778368e25fSAaron LI /* locore.S */ 78aaa1e810SAaron LI extern uint32_t nox_flag; 79aaa1e810SAaron LI extern uint64_t *gdt64_start; 80aaa1e810SAaron LI extern vaddr_t lapicbase; 81aaa1e810SAaron LI 82aaa1e810SAaron LI void clts(void); 83aaa1e810SAaron LI void cpuid(uint32_t, uint32_t, uint32_t *); 84aaa1e810SAaron LI void lcr8(uint64_t); 858368e25fSAaron LI void lidt(void *); 86aaa1e810SAaron LI void outsb(int port, char *buf, size_t size); 87aaa1e810SAaron LI uint64_t rdmsr(uint64_t); 88aaa1e810SAaron LI void sti(void); 89aaa1e810SAaron LI void vmmcall(void); 908368e25fSAaron LI 918368e25fSAaron LI /* main.c */ 928368e25fSAaron LI void fatal(char *); 93aaa1e810SAaron LI void trap(struct smallframe *); 948368e25fSAaron LI 95aaa1e810SAaron LI /* trap.S */ 96aaa1e810SAaron LI typedef void (vector)(void); 97aaa1e810SAaron LI extern vector *x86_exceptions[]; 98aaa1e810SAaron LI extern vector Xintr; /* IDTVEC(intr) */ 99aaa1e810SAaron LI 100aaa1e810SAaron LI #endif /* !SMALLKERN_H_ */ 101