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 29*aaa1e810SAaron LI #ifndef SMALLKERN_H_ 30*aaa1e810SAaron LI #define SMALLKERN_H_ 31*aaa1e810SAaron LI 328368e25fSAaron LI #include <sys/cdefs.h> 338368e25fSAaron LI #include <sys/param.h> 348368e25fSAaron LI #include <sys/stdbool.h> 358368e25fSAaron LI 368368e25fSAaron LI #define MM_PROT_READ 0x00 378368e25fSAaron LI #define MM_PROT_WRITE 0x01 388368e25fSAaron LI #define MM_PROT_EXECUTE 0x02 398368e25fSAaron LI 40*aaa1e810SAaron LI #define WHITE_ON_BLACK 0x07 41*aaa1e810SAaron LI #define RED_ON_BLACK 0x04 42*aaa1e810SAaron LI #define GREEN_ON_BLACK 0x02 43*aaa1e810SAaron LI 448368e25fSAaron LI #define ASSERT(a) if (!(a)) fatal("ASSERT"); 458368e25fSAaron LI #define memset(d, v, l) __builtin_memset(d, v, l) 468368e25fSAaron LI #define memcpy(d, v, l) __builtin_memcpy(d, v, l) 47*aaa1e810SAaron LI 488368e25fSAaron LI typedef uint64_t paddr_t; 498368e25fSAaron LI typedef uint64_t vaddr_t; 508368e25fSAaron LI typedef uint64_t pt_entry_t; 518368e25fSAaron LI typedef uint64_t pd_entry_t; 528368e25fSAaron LI typedef uint64_t pte_prot_t; 53*aaa1e810SAaron LI 54*aaa1e810SAaron LI struct smallframe; 558368e25fSAaron LI 568368e25fSAaron LI /* -------------------------------------------------------------------------- */ 578368e25fSAaron LI 588368e25fSAaron LI /* console.c */ 598368e25fSAaron LI void print(char *); 60*aaa1e810SAaron LI void print_banner(void); 61*aaa1e810SAaron LI void print_ext(int, char *); 628368e25fSAaron LI void print_state(bool, char *); 638368e25fSAaron LI 648368e25fSAaron LI /* locore.S */ 65*aaa1e810SAaron LI extern uint32_t nox_flag; 66*aaa1e810SAaron LI extern uint64_t *gdt64_start; 67*aaa1e810SAaron LI extern vaddr_t lapicbase; 68*aaa1e810SAaron LI 69*aaa1e810SAaron LI void clts(void); 70*aaa1e810SAaron LI void cpuid(uint32_t, uint32_t, uint32_t *); 71*aaa1e810SAaron LI void lcr8(uint64_t); 728368e25fSAaron LI void lidt(void *); 73*aaa1e810SAaron LI void outsb(int port, char *buf, size_t size); 74*aaa1e810SAaron LI uint64_t rdmsr(uint64_t); 75*aaa1e810SAaron LI void sti(void); 76*aaa1e810SAaron LI void vmmcall(void); 778368e25fSAaron LI 788368e25fSAaron LI /* main.c */ 798368e25fSAaron LI void fatal(char *); 80*aaa1e810SAaron LI void trap(struct smallframe *); 818368e25fSAaron LI 82*aaa1e810SAaron LI /* trap.S */ 83*aaa1e810SAaron LI typedef void (vector)(void); 84*aaa1e810SAaron LI extern vector *x86_exceptions[]; 85*aaa1e810SAaron LI extern vector Xintr; /* IDTVEC(intr) */ 86*aaa1e810SAaron LI 87*aaa1e810SAaron LI #endif /* !SMALLKERN_H_ */ 88