Annotation of src/sys/arch/x86/include/bootinfo.h, Revision 1.22
1.20 christos 1: /* $NetBSD: bootinfo.h,v 1.19 2011/11/28 07:56:54 tls 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:
1.6 thorpej 29: #define BTINFO_BOOTPATH 0
1.11 jmmv 30: #define BTINFO_ROOTDEVICE 1
1.6 thorpej 31: #define BTINFO_BOOTDISK 3
32: #define BTINFO_NETIF 4
33: #define BTINFO_CONSOLE 6
34: #define BTINFO_BIOSGEOM 7
35: #define BTINFO_SYMTAB 8
36: #define BTINFO_MEMMAP 9
37: #define BTINFO_BOOTWEDGE 10
1.13 ad 38: #define BTINFO_MODULELIST 11
1.15 jmcneill 39: #define BTINFO_FRAMEBUFFER 12
1.18 uebayasi 40: #define BTINFO_USERCONFCOMMANDS 13
1.13 ad 41:
42: #ifndef _LOCORE
43:
44: struct btinfo_common {
45: int len;
46: int type;
47: };
1.1 fvdl 48:
49: struct btinfo_bootpath {
50: struct btinfo_common common;
51: char bootpath[80];
52: };
53:
1.11 jmmv 54: struct btinfo_rootdevice {
55: struct btinfo_common common;
56: char devname[16];
57: };
58:
1.1 fvdl 59: struct btinfo_bootdisk {
60: struct btinfo_common common;
61: int labelsector; /* label valid if != -1 */
62: struct {
1.9 junyoung 63: uint16_t type, checksum;
1.1 fvdl 64: char packname[16];
65: } label;
66: int biosdev;
67: int partition;
68: };
69:
1.6 thorpej 70: struct btinfo_bootwedge {
71: struct btinfo_common common;
72: int biosdev;
73: daddr_t startblk;
74: uint64_t nblks;
75: daddr_t matchblk;
76: uint64_t matchnblks;
77: uint8_t matchhash[16]; /* MD5 hash */
1.12 perry 78: } __packed;
1.6 thorpej 79:
1.1 fvdl 80: struct btinfo_netif {
81: struct btinfo_common common;
82: char ifname[16];
83: int bus;
84: #define BI_BUS_ISA 0
85: #define BI_BUS_PCI 1
86: union {
87: unsigned int iobase; /* ISA */
88: unsigned int tag; /* PCI, BIOS format */
89: } addr;
90: };
91:
92: struct btinfo_console {
93: struct btinfo_common common;
94: char devname[16];
95: int addr;
96: int speed;
97: };
98:
99: struct btinfo_symtab {
100: struct btinfo_common common;
101: int nsym;
102: int ssym;
103: int esym;
104: };
105:
106: struct bi_memmap_entry {
1.9 junyoung 107: uint64_t addr; /* beginning of block */ /* 8 */
108: uint64_t size; /* size of block */ /* 8 */
109: uint32_t type; /* type of block */ /* 4 */
1.12 perry 110: } __packed; /* == 20 */
1.1 fvdl 111:
112: #define BIM_Memory 1 /* available RAM usable by OS */
113: #define BIM_Reserved 2 /* in use or reserved by the system */
114: #define BIM_ACPI 3 /* ACPI Reclaim memory */
115: #define BIM_NVS 4 /* ACPI NVS memory */
116:
117: struct btinfo_memmap {
118: struct btinfo_common common;
119: int num;
120: struct bi_memmap_entry entry[1]; /* var len */
121: };
122:
1.8 dyoung 123: #if HAVE_NBTOOL_CONFIG_H
124: #include <nbinclude/sys/bootblock.h>
125: #else
1.3 lukem 126: #include <sys/bootblock.h>
1.8 dyoung 127: #endif /* HAVE_NBTOOL_CONFIG_H */
1.1 fvdl 128:
129: /*
130: * Structure describing disk info as seen by the BIOS.
131: */
132: struct bi_biosgeom_entry {
1.2 dsl 133: int sec, head, cyl; /* geometry */
1.9 junyoung 134: uint64_t totsec; /* LBA sectors from ext int13 */
1.2 dsl 135: int flags, dev; /* flags, BIOS device # */
136: #define BI_GEOM_INVALID 0x000001
137: #define BI_GEOM_EXTINT13 0x000002
1.9 junyoung 138: #ifdef BIOSDISK_EXTINFO_V3
1.2 dsl 139: #define BI_GEOM_BADCKSUM 0x000004 /* v3.x checksum invalid */
140: #define BI_GEOM_BUS_MASK 0x00ff00 /* connecting bus type */
141: #define BI_GEOM_BUS_ISA 0x000100
142: #define BI_GEOM_BUS_PCI 0x000200
143: #define BI_GEOM_BUS_OTHER 0x00ff00
144: #define BI_GEOM_IFACE_MASK 0xff0000 /* interface type */
145: #define BI_GEOM_IFACE_ATA 0x010000
146: #define BI_GEOM_IFACE_ATAPI 0x020000
147: #define BI_GEOM_IFACE_SCSI 0x030000
148: #define BI_GEOM_IFACE_USB 0x040000
149: #define BI_GEOM_IFACE_1394 0x050000 /* Firewire */
150: #define BI_GEOM_IFACE_FIBRE 0x060000 /* Fibre channel */
1.9 junyoung 151: #define BI_GEOM_IFACE_OTHER 0xff0000
1.2 dsl 152: unsigned int cksum; /* MBR checksum */
1.9 junyoung 153: unsigned int interface_path; /* ISA iobase PCI bus/dev/fun */
154: uint64_t device_path;
1.2 dsl 155: int res0; /* future expansion; 0 now */
156: #else
157: unsigned int cksum; /* MBR checksum */
158: int res0, res1, res2, res3; /* future expansion; 0 now */
159: #endif
1.20 christos 160: struct mbr_partition mbrparts[MBR_PART_COUNT]; /* MBR itself */
1.12 perry 161: } __packed;
1.1 fvdl 162:
163: struct btinfo_biosgeom {
164: struct btinfo_common common;
165: int num;
166: struct bi_biosgeom_entry disk[1]; /* var len */
167: };
168:
1.13 ad 169: struct bi_modulelist_entry {
170: char path[80];
171: int type;
172: int len;
173: uint32_t base;
174: };
175: #define BI_MODULE_NONE 0x00
176: #define BI_MODULE_ELF 0x01
1.17 jmcneill 177: #define BI_MODULE_IMAGE 0x02
1.19 tls 178: #define BI_MODULE_RND 0x03
1.13 ad 179:
180: struct btinfo_modulelist {
181: struct btinfo_common common;
182: int num;
183: uint32_t endpa;
184: /* bi_modulelist_entry list follows */
185: };
186:
1.15 jmcneill 187: struct btinfo_framebuffer {
188: struct btinfo_common common;
189: uint64_t physaddr;
190: uint32_t flags;
191: uint32_t width;
192: uint32_t height;
193: uint16_t stride;
194: uint8_t depth;
195: uint8_t rnum;
196: uint8_t gnum;
197: uint8_t bnum;
198: uint8_t rpos;
199: uint8_t gpos;
200: uint8_t bpos;
1.16 jmcneill 201: uint16_t vbemode;
202: uint8_t reserved[14];
1.15 jmcneill 203: };
204:
1.18 uebayasi 205: struct bi_userconfcommand {
206: char text[80];
207: };
208:
209: struct btinfo_userconfcommands {
210: struct btinfo_common common;
211: int num;
212: /* bi_userconfcommand list follows */
213: };
214:
1.10 jmmv 215: #endif /* _LOCORE */
216:
1.1 fvdl 217: #ifdef _KERNEL
1.10 jmmv 218:
219: #define BOOTINFO_MAXSIZE 4096
220:
221: #ifndef _LOCORE
222: /*
223: * Structure that holds the information passed by the boot loader.
224: */
225: struct bootinfo {
226: /* Number of bootinfo_* entries in bi_data. */
227: uint32_t bi_nentries;
228:
229: /* Raw data of bootinfo entries. The first one (if any) is
230: * found at bi_data[0] and can be casted to (bootinfo_common *).
231: * Once this is done, the following entry is found at 'len'
232: * offset as specified by the previous entry. */
233: uint8_t bi_data[BOOTINFO_MAXSIZE - sizeof(uint32_t)];
234: };
235:
1.14 tron 236: extern struct bootinfo bootinfo;
237:
1.4 junyoung 238: void *lookup_bootinfo(int);
1.1 fvdl 239: #endif /* _LOCORE */
240:
1.10 jmmv 241: #endif /* _KERNEL */
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