1 /* $NetBSD: bootspace.h,v 1.1 2022/08/20 23:15:37 riastradh Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Charles D. Cranor and Washington University. 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 BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * Copyright (c) 2001 Wasabi Systems, Inc. 30 * All rights reserved. 31 * 32 * Written by Frank van der Linden for Wasabi Systems, Inc. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed for the NetBSD Project by 45 * Wasabi Systems, Inc. 46 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 47 * or promote products derived from this software without specific prior 48 * written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 52 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 54 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 60 * POSSIBILITY OF SUCH DAMAGE. 61 */ 62 63 #ifndef _X86_BOOTSPACE_H_ 64 #define _X86_BOOTSPACE_H_ 65 66 #include <sys/types.h> 67 68 #define BTSEG_NONE 0 69 #define BTSEG_TEXT 1 70 #define BTSEG_RODATA 2 71 #define BTSEG_DATA 3 72 #define BTSPACE_NSEGS 64 73 74 struct bootspace { 75 struct { 76 vaddr_t va; 77 paddr_t pa; 78 size_t sz; 79 } head; 80 81 /* Kernel segments. */ 82 struct { 83 int type; 84 vaddr_t va; 85 paddr_t pa; 86 size_t sz; 87 } segs[BTSPACE_NSEGS]; 88 89 /* 90 * The area used by the early kernel bootstrap. It contains the kernel 91 * symbols, the preloaded modules, the bootstrap tables, and the ISA I/O 92 * mem. 93 */ 94 struct { 95 vaddr_t va; 96 paddr_t pa; 97 size_t sz; 98 } boot; 99 100 /* A magic VA usable by the bootstrap code. */ 101 vaddr_t spareva; 102 103 /* Virtual address of the page directory. */ 104 vaddr_t pdir; 105 106 /* Area dedicated to kernel modules (amd64 only). */ 107 vaddr_t smodule; 108 vaddr_t emodule; 109 }; 110 111 #endif /* _X86_BOOTSPACE_H_ */ 112