1*199767f8SToomas Soome /*- 2*199767f8SToomas Soome * Copyright (C) 1994 by Rodney W. Grimes, Milwaukie, Oregon 97222 3*199767f8SToomas Soome * All rights reserved. 4*199767f8SToomas Soome * 5*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without 6*199767f8SToomas Soome * modification, are permitted provided that the following conditions 7*199767f8SToomas Soome * are met: 8*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright 9*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer as 10*199767f8SToomas Soome * the first lines of this file unmodified. 11*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright 12*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the 13*199767f8SToomas Soome * documentation and/or other materials provided with the distribution. 14*199767f8SToomas Soome * 3. All advertising materials mentioning features or use of this software 15*199767f8SToomas Soome * must display the following acknowledgement: 16*199767f8SToomas Soome * This product includes software developed by Rodney W. Grimes. 17*199767f8SToomas Soome * 4. The name of the author may not be used to endorse or promote products 18*199767f8SToomas Soome * derived from this software without specific prior written permission. 19*199767f8SToomas Soome * 20*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY RODNEY W. GRIMES ``AS IS'' AND 21*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL RODNEY W. GRIMES BE LIABLE 24*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*199767f8SToomas Soome * SUCH DAMAGE. 31*199767f8SToomas Soome * 32*199767f8SToomas Soome * $FreeBSD$ 33*199767f8SToomas Soome */ 34*199767f8SToomas Soome 35*199767f8SToomas Soome #ifndef _MACHINE_BOOTINFO_H_ 36*199767f8SToomas Soome #define _MACHINE_BOOTINFO_H_ 37*199767f8SToomas Soome 38*199767f8SToomas Soome /* Only change the version number if you break compatibility. */ 39*199767f8SToomas Soome #define BOOTINFO_VERSION 1 40*199767f8SToomas Soome 41*199767f8SToomas Soome #define N_BIOS_GEOM 8 42*199767f8SToomas Soome 43*199767f8SToomas Soome /* 44*199767f8SToomas Soome * A zero bootinfo field often means that there is no info available. 45*199767f8SToomas Soome * Flags are used to indicate the validity of fields where zero is a 46*199767f8SToomas Soome * normal value. 47*199767f8SToomas Soome */ 48*199767f8SToomas Soome struct bootinfo { 49*199767f8SToomas Soome u_int32_t bi_version; 50*199767f8SToomas Soome u_int32_t bi_kernelname; /* represents a char * */ 51*199767f8SToomas Soome u_int32_t bi_nfs_diskless; /* struct nfs_diskless * */ 52*199767f8SToomas Soome /* End of fields that are always present. */ 53*199767f8SToomas Soome #define bi_endcommon bi_n_bios_used 54*199767f8SToomas Soome u_int32_t bi_n_bios_used; 55*199767f8SToomas Soome u_int32_t bi_bios_geom[N_BIOS_GEOM]; 56*199767f8SToomas Soome u_int32_t bi_size; 57*199767f8SToomas Soome u_int8_t bi_memsizes_valid; 58*199767f8SToomas Soome u_int8_t bi_bios_dev; /* bootdev BIOS unit number */ 59*199767f8SToomas Soome u_int8_t bi_pad[2]; 60*199767f8SToomas Soome u_int32_t bi_basemem; 61*199767f8SToomas Soome u_int32_t bi_extmem; 62*199767f8SToomas Soome u_int32_t bi_symtab; /* struct symtab * */ 63*199767f8SToomas Soome u_int32_t bi_esymtab; /* struct symtab * */ 64*199767f8SToomas Soome /* Items below only from advanced bootloader */ 65*199767f8SToomas Soome u_int32_t bi_kernend; /* end of kernel space */ 66*199767f8SToomas Soome u_int32_t bi_envp; /* environment */ 67*199767f8SToomas Soome u_int32_t bi_modulep; /* preloaded modules */ 68*199767f8SToomas Soome uint32_t bi_memdesc_version; /* EFI memory desc version */ 69*199767f8SToomas Soome uint64_t bi_memdesc_size; /* sizeof EFI memory desc */ 70*199767f8SToomas Soome uint64_t bi_memmap; /* pa of EFI memory map */ 71*199767f8SToomas Soome uint64_t bi_memmap_size; /* size of EFI memory map */ 72*199767f8SToomas Soome uint64_t bi_hcdp; /* DIG64 HCDP table */ 73*199767f8SToomas Soome uint64_t bi_fpswa; /* FPSWA interface */ 74*199767f8SToomas Soome uint64_t bi_systab; /* pa of EFI system table */ 75*199767f8SToomas Soome }; 76*199767f8SToomas Soome 77*199767f8SToomas Soome #ifdef _KERNEL 78*199767f8SToomas Soome extern struct bootinfo bootinfo; 79*199767f8SToomas Soome #endif 80*199767f8SToomas Soome 81*199767f8SToomas Soome /* 82*199767f8SToomas Soome * Constants for converting boot-style device number to type, 83*199767f8SToomas Soome * adaptor (uba, mba, etc), unit number and partition number. 84*199767f8SToomas Soome * Type (== major device number) is in the low byte 85*199767f8SToomas Soome * for backward compatibility. Except for that of the "magic 86*199767f8SToomas Soome * number", each mask applies to the shifted value. 87*199767f8SToomas Soome * Format: 88*199767f8SToomas Soome * (4) (8) (4) (8) (8) 89*199767f8SToomas Soome * -------------------------------- 90*199767f8SToomas Soome * |MA | SLICE | UN| PART | TYPE | 91*199767f8SToomas Soome * -------------------------------- 92*199767f8SToomas Soome */ 93*199767f8SToomas Soome #define B_SLICESHIFT 20 94*199767f8SToomas Soome #define B_SLICEMASK 0xff 95*199767f8SToomas Soome #define B_SLICE(val) (((val)>>B_SLICESHIFT) & B_SLICEMASK) 96*199767f8SToomas Soome #define B_UNITSHIFT 16 97*199767f8SToomas Soome #define B_UNITMASK 0xf 98*199767f8SToomas Soome #define B_UNIT(val) (((val) >> B_UNITSHIFT) & B_UNITMASK) 99*199767f8SToomas Soome #define B_PARTITIONSHIFT 8 100*199767f8SToomas Soome #define B_PARTITIONMASK 0xff 101*199767f8SToomas Soome #define B_PARTITION(val) (((val) >> B_PARTITIONSHIFT) & B_PARTITIONMASK) 102*199767f8SToomas Soome #define B_TYPESHIFT 0 103*199767f8SToomas Soome #define B_TYPEMASK 0xff 104*199767f8SToomas Soome #define B_TYPE(val) (((val) >> B_TYPESHIFT) & B_TYPEMASK) 105*199767f8SToomas Soome 106*199767f8SToomas Soome #define B_MAGICMASK 0xf0000000 107*199767f8SToomas Soome #define B_DEVMAGIC 0xa0000000 108*199767f8SToomas Soome 109*199767f8SToomas Soome #define MAKEBOOTDEV(type, slice, unit, partition) \ 110*199767f8SToomas Soome (((type) << B_TYPESHIFT) | ((slice) << B_SLICESHIFT) | \ 111*199767f8SToomas Soome ((unit) << B_UNITSHIFT) | ((partition) << B_PARTITIONSHIFT) | \ 112*199767f8SToomas Soome B_DEVMAGIC) 113*199767f8SToomas Soome 114*199767f8SToomas Soome #define BASE_SLICE 2 115*199767f8SToomas Soome #define COMPATIBILITY_SLICE 0 116*199767f8SToomas Soome #define MAX_SLICES 32 117*199767f8SToomas Soome #define WHOLE_DISK_SLICE 1 118*199767f8SToomas Soome 119*199767f8SToomas Soome #endif /* !_MACHINE_BOOTINFO_H_ */ 120