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Annotation of src/sys/arch/x86/include/bootinfo.h, Revision 1.9

1.9     ! junyoung    1: /*     $NetBSD: bootinfo.h,v 1.8 2005/06/12 19:46:17 dyoung Exp $      */
1.1       fvdl        2:
                      3: /*
                      4:  * Copyright (c) 1997
                      5:  *     Matthias Drochner.  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: #ifndef _LOCORE
                     30:
                     31: struct btinfo_common {
                     32:        int len;
                     33:        int type;
                     34: };
                     35:
1.6       thorpej    36: #define BTINFO_BOOTPATH                0
                     37: #define BTINFO_BOOTDISK                3
                     38: #define BTINFO_NETIF           4
                     39: #define BTINFO_CONSOLE         6
                     40: #define BTINFO_BIOSGEOM                7
                     41: #define BTINFO_SYMTAB          8
                     42: #define BTINFO_MEMMAP          9
                     43: #define        BTINFO_BOOTWEDGE        10
1.1       fvdl       44:
                     45: struct btinfo_bootpath {
                     46:        struct btinfo_common common;
                     47:        char bootpath[80];
                     48: };
                     49:
                     50: struct btinfo_bootdisk {
                     51:        struct btinfo_common common;
                     52:        int labelsector; /* label valid if != -1 */
                     53:        struct {
1.9     ! junyoung   54:                uint16_t type, checksum;
1.1       fvdl       55:                char packname[16];
                     56:        } label;
                     57:        int biosdev;
                     58:        int partition;
                     59: };
                     60:
1.6       thorpej    61: struct btinfo_bootwedge {
                     62:        struct btinfo_common common;
                     63:        int biosdev;
                     64:        daddr_t startblk;
                     65:        uint64_t nblks;
                     66:        daddr_t matchblk;
                     67:        uint64_t matchnblks;
                     68:        uint8_t matchhash[16];  /* MD5 hash */
1.7       fvdl       69: } __attribute__((packed));
1.6       thorpej    70:
1.1       fvdl       71: struct btinfo_netif {
                     72:        struct btinfo_common common;
                     73:        char ifname[16];
                     74:        int bus;
                     75: #define BI_BUS_ISA 0
                     76: #define BI_BUS_PCI 1
                     77:        union {
                     78:                unsigned int iobase; /* ISA */
                     79:                unsigned int tag; /* PCI, BIOS format */
                     80:        } addr;
                     81: };
                     82:
                     83: struct btinfo_console {
                     84:        struct btinfo_common common;
                     85:        char devname[16];
                     86:        int addr;
                     87:        int speed;
                     88: };
                     89:
                     90: struct btinfo_symtab {
                     91:        struct btinfo_common common;
                     92:        int nsym;
                     93:        int ssym;
                     94:        int esym;
                     95: };
                     96:
                     97: struct bi_memmap_entry {
1.9     ! junyoung   98:        uint64_t addr;          /* beginning of block */        /* 8 */
        !            99:        uint64_t size;          /* size of block */             /* 8 */
        !           100:        uint32_t type;          /* type of block */             /* 4 */
1.1       fvdl      101: } __attribute__((packed));                             /*      == 20 */
                    102:
                    103: #define        BIM_Memory      1       /* available RAM usable by OS */
                    104: #define        BIM_Reserved    2       /* in use or reserved by the system */
                    105: #define        BIM_ACPI        3       /* ACPI Reclaim memory */
                    106: #define        BIM_NVS         4       /* ACPI NVS memory */
                    107:
                    108: struct btinfo_memmap {
                    109:        struct btinfo_common common;
                    110:        int num;
                    111:        struct bi_memmap_entry entry[1]; /* var len */
                    112: };
                    113:
1.8       dyoung    114: #if HAVE_NBTOOL_CONFIG_H
                    115: #include <nbinclude/sys/bootblock.h>
                    116: #else
1.3       lukem     117: #include <sys/bootblock.h>
1.8       dyoung    118: #endif /* HAVE_NBTOOL_CONFIG_H */
1.1       fvdl      119:
                    120: /*
                    121:  * Structure describing disk info as seen by the BIOS.
                    122:  */
                    123: struct bi_biosgeom_entry {
1.2       dsl       124:        int             sec, head, cyl;         /* geometry */
1.9     ! junyoung  125:        uint64_t        totsec;                 /* LBA sectors from ext int13 */
1.2       dsl       126:        int             flags, dev;             /* flags, BIOS device # */
                    127: #define BI_GEOM_INVALID                0x000001
                    128: #define BI_GEOM_EXTINT13       0x000002
1.9     ! junyoung  129: #ifdef BIOSDISK_EXTINFO_V3
1.2       dsl       130: #define BI_GEOM_BADCKSUM       0x000004        /* v3.x checksum invalid */
                    131: #define BI_GEOM_BUS_MASK       0x00ff00        /* connecting bus type */
                    132: #define BI_GEOM_BUS_ISA                0x000100
                    133: #define BI_GEOM_BUS_PCI                0x000200
                    134: #define BI_GEOM_BUS_OTHER      0x00ff00
                    135: #define BI_GEOM_IFACE_MASK     0xff0000        /* interface type */
                    136: #define BI_GEOM_IFACE_ATA      0x010000
                    137: #define BI_GEOM_IFACE_ATAPI    0x020000
                    138: #define BI_GEOM_IFACE_SCSI     0x030000
                    139: #define BI_GEOM_IFACE_USB      0x040000
                    140: #define BI_GEOM_IFACE_1394     0x050000        /* Firewire */
                    141: #define BI_GEOM_IFACE_FIBRE    0x060000        /* Fibre channel */
1.9     ! junyoung  142: #define BI_GEOM_IFACE_OTHER    0xff0000
1.2       dsl       143:        unsigned int    cksum;                  /* MBR checksum */
1.9     ! junyoung  144:        unsigned int    interface_path;         /* ISA iobase PCI bus/dev/fun */
        !           145:        uint64_t        device_path;
1.2       dsl       146:        int             res0;                   /* future expansion; 0 now */
                    147: #else
                    148:        unsigned int    cksum;                  /* MBR checksum */
                    149:        int             res0, res1, res2, res3; /* future expansion; 0 now */
                    150: #endif
1.3       lukem     151:        struct mbr_partition dosparts[MBR_PART_COUNT]; /* MBR itself */
1.1       fvdl      152: } __attribute__((packed));
                    153:
                    154: struct btinfo_biosgeom {
                    155:        struct btinfo_common common;
                    156:        int num;
                    157:        struct bi_biosgeom_entry disk[1]; /* var len */
                    158: };
                    159:
                    160: #ifdef _KERNEL
1.4       junyoung  161: void *lookup_bootinfo(int);
1.1       fvdl      162: #endif
                    163: #endif /* _LOCORE */
                    164:
                    165: #ifdef _KERNEL
                    166: #define BOOTINFO_MAXSIZE 4096
                    167: #endif

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