Current Path : /sys/i386/include/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/i386/include/bootinfo.h |
/*- * Copyright (C) 1994 by Rodney W. Grimes, Milwaukie, Oregon 97222 * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer as * the first lines of this file unmodified. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Rodney W. Grimes. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL RODNEY W. GRIMES BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/i386/include/bootinfo.h 236464 2012-06-02 18:36:29Z avg $ */ #ifndef _MACHINE_BOOTINFO_H_ #define _MACHINE_BOOTINFO_H_ /* Only change the version number if you break compatibility. */ #define BOOTINFO_VERSION 1 #define N_BIOS_GEOM 8 /* * A zero bootinfo field often means that there is no info available. * Flags are used to indicate the validity of fields where zero is a * normal value. */ struct bootinfo { u_int32_t bi_version; u_int32_t bi_kernelname; /* represents a char * */ u_int32_t bi_nfs_diskless; /* struct nfs_diskless * */ /* End of fields that are always present. */ #define bi_endcommon bi_n_bios_used u_int32_t bi_n_bios_used; u_int32_t bi_bios_geom[N_BIOS_GEOM]; u_int32_t bi_size; u_int8_t bi_memsizes_valid; u_int8_t bi_bios_dev; /* bootdev BIOS unit number */ u_int8_t bi_pad[2]; u_int32_t bi_basemem; u_int32_t bi_extmem; u_int32_t bi_symtab; /* struct symtab * */ u_int32_t bi_esymtab; /* struct symtab * */ /* Items below only from advanced bootloader */ u_int32_t bi_kernend; /* end of kernel space */ u_int32_t bi_envp; /* environment */ u_int32_t bi_modulep; /* preloaded modules */ uint32_t bi_memdesc_version; /* EFI memory desc version */ uint64_t bi_memdesc_size; /* sizeof EFI memory desc */ uint64_t bi_memmap; /* pa of EFI memory map */ uint64_t bi_memmap_size; /* size of EFI memory map */ uint64_t bi_hcdp; /* DIG64 HCDP table */ uint64_t bi_fpswa; /* FPSWA interface */ uint64_t bi_systab; /* pa of EFI system table */ }; #ifdef _KERNEL extern struct bootinfo bootinfo; #endif /* * Constants for converting boot-style device number to type, * adaptor (uba, mba, etc), unit number and partition number. * Type (== major device number) is in the low byte * for backward compatibility. Except for that of the "magic * number", each mask applies to the shifted value. * Format: * (4) (8) (4) (8) (8) * -------------------------------- * |MA | SLICE | UN| PART | TYPE | * -------------------------------- */ #define B_SLICESHIFT 20 #define B_SLICEMASK 0xff #define B_SLICE(val) (((val)>>B_SLICESHIFT) & B_SLICEMASK) #define B_UNITSHIFT 16 #define B_UNITMASK 0xf #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) #define B_PARTITIONSHIFT 8 #define B_PARTITIONMASK 0xff #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) #define B_TYPESHIFT 0 #define B_TYPEMASK 0xff #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) #define B_MAGICMASK 0xf0000000 #define B_DEVMAGIC 0xa0000000 #define MAKEBOOTDEV(type, slice, unit, partition) \ (((type) << B_TYPESHIFT) | ((slice) << B_SLICESHIFT) | \ ((unit) << B_UNITSHIFT) | ((partition) << B_PARTITIONSHIFT) | \ B_DEVMAGIC) #define BASE_SLICE 2 #define COMPATIBILITY_SLICE 0 #define MAX_SLICES 32 #define WHOLE_DISK_SLICE 1 #endif /* !_MACHINE_BOOTINFO_H_ */