1/* $Id: bootdir.h 3132 2003-05-03 03:43:30Z axeld $ 2** 3** Copyright 1998 Brian J. Swetland 4** All rights reserved. 5** 6** Redistribution and use in source and binary forms, with or without 7** modification, are permitted provided that the following conditions 8** are met: 9** 1. Redistributions of source code must retain the above copyright 10** notice, this list of conditions, and the following disclaimer. 11** 2. Redistributions in binary form must reproduce the above copyright 12** notice, this list of conditions, and the following disclaimer in the 13** documentation and/or other materials provided with the distribution. 14** 3. The name of the author may not be used to endorse or promote products 15** derived from this software without specific prior written permission. 16** 17** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27*/ 28#ifndef KERNEL_BOOT_BOOTDIR_H 29#define KERNEL_BOOT_BOOTDIR_H 30 31#define BOOTDIR_NAMELEN 32 32#define BOOTDIR_MAX_ENTRIES 64 33#define BOOTDIR_DIRECTORY "SBBB/Directory" 34 35typedef struct { 36 char be_name[BOOTDIR_NAMELEN]; /* name of loaded object, zero terminated */ 37 int be_offset; /* offset of object relative to the start of boot_dir */ 38 int be_type; /* object type designator */ 39 int be_size; /* size of loaded object (pages) */ 40 int be_vsize; /* size loaded object should occupy when mapped in */ 41 int be_extra0; 42 int be_extra1; 43 int be_extra2; 44 int be_extra3; 45} boot_entry; 46 47typedef struct { 48 boot_entry bd_entry[BOOTDIR_MAX_ENTRIES]; 49} boot_dir; 50 51/* void _start(uint32 mem, char *params, boot_dir *bd); */ 52 53#define BE_TYPE_NONE 0 /* empty entry */ 54#define BE_TYPE_DIRECTORY 1 /* directory (entry 0) */ 55#define BE_TYPE_BOOTSTRAP 2 /* bootstrap code object (entry 1) */ 56#define BE_TYPE_CODE 3 /* executable code object */ 57#define BE_TYPE_DATA 4 /* raw data object */ 58#define BE_TYPE_ELF32 5 /* 32bit ELF object */ 59 60/* for BE_TYPE_CODE */ 61#define be_code_vaddr be_extra0 /* virtual address (rel offset 0) */ 62#define be_code_ventr be_extra1 /* virtual entry point (rel offset 0) */ 63 64#endif /* KERNEL_BOOT_BOOTDIR_H */ 65