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Annotation of src/sys/arch/x86/include/bootinfo.h, Revision 1.5

1.5     ! drochner    1: /*     $NetBSD: bootinfo.h,v 1.4 2003/10/27 13:43:48 junyoung 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:
                     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:
                     44: struct btinfo_bootpath {
                     45:        struct btinfo_common common;
                     46:        char bootpath[80];
                     47: };
                     48:
                     49: struct btinfo_bootdisk {
                     50:        struct btinfo_common common;
                     51:        int labelsector; /* label valid if != -1 */
                     52:        struct {
                     53:                u_int16_t type, checksum;
                     54:                char packname[16];
                     55:        } label;
                     56:        int biosdev;
                     57:        int partition;
                     58: };
                     59:
                     60: struct btinfo_netif {
                     61:        struct btinfo_common common;
                     62:        char ifname[16];
                     63:        int bus;
                     64: #define BI_BUS_ISA 0
                     65: #define BI_BUS_PCI 1
                     66:        union {
                     67:                unsigned int iobase; /* ISA */
                     68:                unsigned int tag; /* PCI, BIOS format */
                     69:        } addr;
                     70: };
                     71:
                     72: struct btinfo_console {
                     73:        struct btinfo_common common;
                     74:        char devname[16];
                     75:        int addr;
                     76:        int speed;
                     77: };
                     78:
                     79: struct btinfo_symtab {
                     80:        struct btinfo_common common;
                     81:        int nsym;
                     82:        int ssym;
                     83:        int esym;
                     84: };
                     85:
                     86: struct bi_memmap_entry {
                     87:        u_int64_t addr;         /* beginning of block */        /* 8 */
                     88:        u_int64_t size;         /* size of block */             /* 8 */
                     89:        u_int32_t type;         /* type of block */             /* 4 */
                     90: } __attribute__((packed));                             /*      == 20 */
                     91:
                     92: #define        BIM_Memory      1       /* available RAM usable by OS */
                     93: #define        BIM_Reserved    2       /* in use or reserved by the system */
                     94: #define        BIM_ACPI        3       /* ACPI Reclaim memory */
                     95: #define        BIM_NVS         4       /* ACPI NVS memory */
                     96:
                     97: struct btinfo_memmap {
                     98:        struct btinfo_common common;
                     99:        int num;
                    100:        struct bi_memmap_entry entry[1]; /* var len */
                    101: };
                    102:
1.3       lukem     103: #include <sys/bootblock.h>
1.1       fvdl      104:
                    105: /*
                    106:  * Structure describing disk info as seen by the BIOS.
                    107:  */
                    108: struct bi_biosgeom_entry {
1.2       dsl       109:        int             sec, head, cyl;         /* geometry */
                    110:        u_int64_t       totsec;                 /* LBA sectors from ext int13 */
                    111:        int             flags, dev;             /* flags, BIOS device # */
                    112: #define BI_GEOM_INVALID                0x000001
                    113: #define BI_GEOM_EXTINT13       0x000002
                    114: #ifdef BIOSDISK_EXT13INFO_V3
                    115: #define BI_GEOM_BADCKSUM       0x000004        /* v3.x checksum invalid */
                    116: #define BI_GEOM_BUS_MASK       0x00ff00        /* connecting bus type */
                    117: #define BI_GEOM_BUS_ISA                0x000100
                    118: #define BI_GEOM_BUS_PCI                0x000200
                    119: #define BI_GEOM_BUS_OTHER      0x00ff00
                    120: #define BI_GEOM_IFACE_MASK     0xff0000        /* interface type */
                    121: #define BI_GEOM_IFACE_ATA      0x010000
                    122: #define BI_GEOM_IFACE_ATAPI    0x020000
                    123: #define BI_GEOM_IFACE_SCSI     0x030000
                    124: #define BI_GEOM_IFACE_USB      0x040000
                    125: #define BI_GEOM_IFACE_1394     0x050000        /* Firewire */
                    126: #define BI_GEOM_IFACE_FIBRE    0x060000        /* Fibre channel */
                    127: #define BI_GEOM_IFACE_OTHER    0xff0000
                    128:        unsigned int    cksum;                  /* MBR checksum */
                    129:        u_int           interface_path;         /* ISA iobase PCI bus/dev/fun */
                    130:        u_int64_t       device_path;
                    131:        int             res0;                   /* future expansion; 0 now */
                    132: #else
                    133:        unsigned int    cksum;                  /* MBR checksum */
                    134:        int             res0, res1, res2, res3; /* future expansion; 0 now */
                    135: #endif
1.3       lukem     136:        struct mbr_partition dosparts[MBR_PART_COUNT]; /* MBR itself */
1.1       fvdl      137: } __attribute__((packed));
                    138:
                    139: struct btinfo_biosgeom {
                    140:        struct btinfo_common common;
                    141:        int num;
                    142:        struct bi_biosgeom_entry disk[1]; /* var len */
                    143: };
                    144:
                    145: #ifdef _KERNEL
1.4       junyoung  146: void *lookup_bootinfo(int);
1.1       fvdl      147: #endif
                    148: #endif /* _LOCORE */
                    149:
                    150: #ifdef _KERNEL
                    151: #define BOOTINFO_MAXSIZE 4096
                    152: #endif

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