Annotation of src/sys/arch/x86/include/bootinfo.h, Revision 1.11
1.11 ! jmmv 1: /* $NetBSD: bootinfo.h,v 1.10 2005/12/30 13:37:57 jmmv 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
1.11 ! jmmv 37: #define BTINFO_ROOTDEVICE 1
1.6 thorpej 38: #define BTINFO_BOOTDISK 3
39: #define BTINFO_NETIF 4
40: #define BTINFO_CONSOLE 6
41: #define BTINFO_BIOSGEOM 7
42: #define BTINFO_SYMTAB 8
43: #define BTINFO_MEMMAP 9
44: #define BTINFO_BOOTWEDGE 10
1.1 fvdl 45:
46: struct btinfo_bootpath {
47: struct btinfo_common common;
48: char bootpath[80];
49: };
50:
1.11 ! jmmv 51: struct btinfo_rootdevice {
! 52: struct btinfo_common common;
! 53: char devname[16];
! 54: };
! 55:
1.1 fvdl 56: struct btinfo_bootdisk {
57: struct btinfo_common common;
58: int labelsector; /* label valid if != -1 */
59: struct {
1.9 junyoung 60: uint16_t type, checksum;
1.1 fvdl 61: char packname[16];
62: } label;
63: int biosdev;
64: int partition;
65: };
66:
1.6 thorpej 67: struct btinfo_bootwedge {
68: struct btinfo_common common;
69: int biosdev;
70: daddr_t startblk;
71: uint64_t nblks;
72: daddr_t matchblk;
73: uint64_t matchnblks;
74: uint8_t matchhash[16]; /* MD5 hash */
1.7 fvdl 75: } __attribute__((packed));
1.6 thorpej 76:
1.1 fvdl 77: struct btinfo_netif {
78: struct btinfo_common common;
79: char ifname[16];
80: int bus;
81: #define BI_BUS_ISA 0
82: #define BI_BUS_PCI 1
83: union {
84: unsigned int iobase; /* ISA */
85: unsigned int tag; /* PCI, BIOS format */
86: } addr;
87: };
88:
89: struct btinfo_console {
90: struct btinfo_common common;
91: char devname[16];
92: int addr;
93: int speed;
94: };
95:
96: struct btinfo_symtab {
97: struct btinfo_common common;
98: int nsym;
99: int ssym;
100: int esym;
101: };
102:
103: struct bi_memmap_entry {
1.9 junyoung 104: uint64_t addr; /* beginning of block */ /* 8 */
105: uint64_t size; /* size of block */ /* 8 */
106: uint32_t type; /* type of block */ /* 4 */
1.1 fvdl 107: } __attribute__((packed)); /* == 20 */
108:
109: #define BIM_Memory 1 /* available RAM usable by OS */
110: #define BIM_Reserved 2 /* in use or reserved by the system */
111: #define BIM_ACPI 3 /* ACPI Reclaim memory */
112: #define BIM_NVS 4 /* ACPI NVS memory */
113:
114: struct btinfo_memmap {
115: struct btinfo_common common;
116: int num;
117: struct bi_memmap_entry entry[1]; /* var len */
118: };
119:
1.8 dyoung 120: #if HAVE_NBTOOL_CONFIG_H
121: #include <nbinclude/sys/bootblock.h>
122: #else
1.3 lukem 123: #include <sys/bootblock.h>
1.8 dyoung 124: #endif /* HAVE_NBTOOL_CONFIG_H */
1.1 fvdl 125:
126: /*
127: * Structure describing disk info as seen by the BIOS.
128: */
129: struct bi_biosgeom_entry {
1.2 dsl 130: int sec, head, cyl; /* geometry */
1.9 junyoung 131: uint64_t totsec; /* LBA sectors from ext int13 */
1.2 dsl 132: int flags, dev; /* flags, BIOS device # */
133: #define BI_GEOM_INVALID 0x000001
134: #define BI_GEOM_EXTINT13 0x000002
1.9 junyoung 135: #ifdef BIOSDISK_EXTINFO_V3
1.2 dsl 136: #define BI_GEOM_BADCKSUM 0x000004 /* v3.x checksum invalid */
137: #define BI_GEOM_BUS_MASK 0x00ff00 /* connecting bus type */
138: #define BI_GEOM_BUS_ISA 0x000100
139: #define BI_GEOM_BUS_PCI 0x000200
140: #define BI_GEOM_BUS_OTHER 0x00ff00
141: #define BI_GEOM_IFACE_MASK 0xff0000 /* interface type */
142: #define BI_GEOM_IFACE_ATA 0x010000
143: #define BI_GEOM_IFACE_ATAPI 0x020000
144: #define BI_GEOM_IFACE_SCSI 0x030000
145: #define BI_GEOM_IFACE_USB 0x040000
146: #define BI_GEOM_IFACE_1394 0x050000 /* Firewire */
147: #define BI_GEOM_IFACE_FIBRE 0x060000 /* Fibre channel */
1.9 junyoung 148: #define BI_GEOM_IFACE_OTHER 0xff0000
1.2 dsl 149: unsigned int cksum; /* MBR checksum */
1.9 junyoung 150: unsigned int interface_path; /* ISA iobase PCI bus/dev/fun */
151: uint64_t device_path;
1.2 dsl 152: int res0; /* future expansion; 0 now */
153: #else
154: unsigned int cksum; /* MBR checksum */
155: int res0, res1, res2, res3; /* future expansion; 0 now */
156: #endif
1.3 lukem 157: struct mbr_partition dosparts[MBR_PART_COUNT]; /* MBR itself */
1.1 fvdl 158: } __attribute__((packed));
159:
160: struct btinfo_biosgeom {
161: struct btinfo_common common;
162: int num;
163: struct bi_biosgeom_entry disk[1]; /* var len */
164: };
165:
1.10 jmmv 166: #endif /* _LOCORE */
167:
1.1 fvdl 168: #ifdef _KERNEL
1.10 jmmv 169:
170: #define BOOTINFO_MAXSIZE 4096
171:
172: #ifndef _LOCORE
173: /*
174: * Structure that holds the information passed by the boot loader.
175: */
176: struct bootinfo {
177: /* Number of bootinfo_* entries in bi_data. */
178: uint32_t bi_nentries;
179:
180: /* Raw data of bootinfo entries. The first one (if any) is
181: * found at bi_data[0] and can be casted to (bootinfo_common *).
182: * Once this is done, the following entry is found at 'len'
183: * offset as specified by the previous entry. */
184: uint8_t bi_data[BOOTINFO_MAXSIZE - sizeof(uint32_t)];
185: };
186:
1.4 junyoung 187: void *lookup_bootinfo(int);
1.1 fvdl 188: #endif /* _LOCORE */
189:
1.10 jmmv 190: #endif /* _KERNEL */
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