/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * HISTORY * * Revision 1.1.1.1 1998/09/22 21:05:31 wsanchez * Import of Mac OS X kernel (~semeria) * * Revision 1.1.1.1 1998/03/07 02:25:45 wsanchez * Import of OSF Mach kernel (~mburg) * * Revision 1.2.16.4 1996/01/09 19:21:29 devrcs * Added bootstrap map for alpha. * This probably should be moved to some MD include file. * It's not really machine dependent, just a different * way of doing things. * [1995/12/01 19:49:04 jfraser] * * Merged '64-bit safe' changes from DEC alpha port. * [1995/11/21 18:08:36 jfraser] * * Revision 1.2.16.3 1995/01/06 19:50:04 devrcs * mk6 CR668 - 1.3b26 merge * Added region_desc structure; * [1994/10/14 03:42:28 dwm] * * Revision 1.2.16.2 1994/09/23 02:34:18 ezf * change marker to not FREE * [1994/09/22 21:39:03 ezf] * * Revision 1.2.16.1 1994/06/13 20:49:19 dlb * Merge MK6 and NMK17 * [1994/06/13 20:24:22 dlb] * * Revision 1.2.14.1 1994/02/08 11:01:06 bernadat * Checked in NMK16_1 changes * [94/02/04 bernadat] * * Revision 1.2.12.1 1993/12/23 08:56:06 bernadat * Added COFF_F. * [93/11/29 bernadat] * * Revision 1.2.3.2 1993/06/24 16:14:07 gm * CR9371: Moved here from default_pager. * [1993/06/24 16:08:52 gm] * * Revision 1.2.3.2 1993/06/09 02:10:53 gm * Added to OSF/1 R1.3 from NMK15.0. * [1993/06/02 20:41:54 gm] * * Revision 1.2 1993/04/19 16:31:50 devrcs * Added ROSE support: we need several symbol table entries since ROSE * can have up to 3 symbol section. * [93/03/24 bruel] * * Use free copyright * [1993/03/03 12:12:37 bernadat] * * Fixed History Revision Comments * [93/02/24 bernadat] * * Created for external default pager. * [1993/02/09 15:40:42 bruel] * * $EndLog$ */ /* CMU_HIST */ /* * Revision 2.2 92/01/03 20:19:42 dbg * Created. * [91/09/06 dbg] * */ /* CMU_ENDHIST */ /* */ /* * Mach Operating System * Copyright (c) 1991 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ #ifndef _MACH_BOOT_INFO_H_ #define _MACH_BOOT_INFO_H_ #include <mach/machine/vm_types.h> #include <mach/vm_prot.h> #include <mach/boolean.h> /* * The boot loader uses several instances of the following structure to * provide a description of the bootstrap task virtual address space, * consisting of memory regions that need to be mapped from physical pages * filled by the boot loader, or regions that need to be allocated in the * new address space. */ struct region_desc { vm_offset_t addr; /* virtual address */ vm_offset_t offset; /* offset within object */ vm_size_t size; /* size */ vm_prot_t prot; /* protection */ boolean_t mapped; /* mapped or zero-filled */ }; #ifdef __alpha typedef long physaddr_t; #define NBOOT_REGIONS 5 #define TEXT 0 #define DATA 1 #define BSS 2 #define STACK 3 #define SYMS 4 struct bootstrap_map { physaddr_t boot_location; long boot_size; long boot_entry; long boot_gp_value; long boot_region_count; struct region_desc boot_regions[NBOOT_REGIONS]; }; #endif /* __alpha */ #define BOOT_INFO_COMPAT 1 #if BOOT_INFO_COMPAT /* * Old compat code for makeboot produced images */ /* * Structure of Mach kernel boot file. */ #include <mach/machine/vm_types.h> /* * A Mach kernel boot file consists of the Mach * kernel image and the bootstrap image, glued * together. * * The first part of the file is a normal executable * (bootable) file: a.out, coff, or whatever. The * text and data sizes are set to include the entire * file. (Some machines do not allow a zero-length * data segment). * * The rest of the file sits where the kernel BSS * should be. A boot_info record describes the * sizes of the next 3 sections. Following this * are the kernel symbol table, the bootstrap image * (including its symbol table), and the loader * information for the bootstrap image. Each * of these sections is padded to an integer (4-byte) * boundary. * * When the file is loaded into memory, the kernel * text and data segments are at their normal locations. * * The boot_info structure appears at the start of * the bss (at 'edata[]'): */ struct boot_info { vm_size_t sym_size; /* size of kernel symbols */ vm_size_t boot_size; /* size of bootstrap image */ vm_size_t load_info_size; /* size of loader information for bootstrap image */ }; /* * The 3 sections must be moved out of BSS for the kernel to run: * * The kernel symbol table follows the BSS (at 'end[]'). * * The bootstrap image is on the first page boundary (machine page * size) following the kernel symbol table. * * The loader information immediately follows the bootstrap image. */ /* * Loader information for bootstrap image: */ #define AOUT_F 1 #define ROSE_F 2 #define COFF_F 3 struct loader_info { int format; /* symbol table format (A.OUT or ROSE) */ vm_offset_t text_start; /* text start in memory */ vm_size_t text_size; /* text size */ vm_offset_t text_offset; /* text offset in file */ vm_offset_t data_start; /* data+bss start in memory */ vm_size_t data_size; /* data size */ vm_offset_t data_offset; /* data offset in file */ vm_size_t bss_size; /* BSS size */ vm_offset_t str_offset; /* strings table offset in file */ vm_size_t str_size; /* strings table size */ vm_offset_t sym_offset[4]; /* symbol table offset in file */ vm_size_t sym_size[4]; /* symbol table size */ vm_offset_t entry_1; /* 2 words for entry address */ vm_offset_t entry_2; } ; #define EX_NOT_EXECUTABLE 6000 #endif /* BOOT_INFO_COMPAT */ #endif /* _MACH_BOOT_INFO_H_ */