1 /* $OpenBSD: bootarg.h,v 1.17 2020/05/25 15:49:42 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1996-1999 Michael Shalayeff 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #define BOOTARG_APIVER (BAPIV_VECTOR|BAPIV_ENV|BAPIV_BMEMMAP) 30 #define BAPIV_ANCIENT 0x00000000 /* MD old i386 bootblocks */ 31 #define BAPIV_VARS 0x00000001 /* MD structure w/ add info passed */ 32 #define BAPIV_VECTOR 0x00000002 /* MI vector of MD structures passed */ 33 #define BAPIV_ENV 0x00000004 /* MI environment vars vector */ 34 #define BAPIV_BMEMMAP 0x00000008 /* MI memory map passed is in bytes */ 35 36 typedef struct _boot_args { 37 int ba_type; 38 size_t ba_size; 39 struct _boot_args *ba_next; 40 int ba_arg[1]; 41 } bootarg_t; 42 43 #define BOOTARG_ENV 0x1000 44 #define BOOTARG_END -1 45 46 #if defined(_KERNEL) || defined(_STANDALONE) 47 extern void *bootargv; 48 extern int bootargc; 49 extern bootarg_t *bootargp; 50 #endif 51 52 int loadrandom(char *name, char *buf, size_t buflen); 53 int mdrandom(char *buf, size_t buflen); 54 int fwrandom(char *buf, size_t buflen); 55 56 #ifdef _STANDALONE 57 void addbootarg(int, size_t, void *); 58 void makebootargs(caddr_t, size_t *); 59 void makebootargs32(caddr_t, size_t *); 60 #endif /* _STANDALONE */ 61