Annotation of src/sys/arch/x86/include/bootinfo.h, Revision 1.26
1.26 ! nonaka 1: /* $NetBSD: bootinfo.h,v 1.25 2017/01/24 11:09:14 nonaka 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
1.24 christos 41: #define BTINFO_EFI 14
1.25 nonaka 42: #define BTINFO_EFIMEMMAP 15
1.24 christos 43:
44: #define BTINFO_STR "bootpath", "rootdevice", "bootdisk", "netif", \
45: "console", "biosgeom", "symtab", "memmap", "bootwedge", "modulelist", \
1.25 nonaka 46: "framebuffer", "userconfcommands", "efi", "efimemmap",
1.13 ad 47:
48: #ifndef _LOCORE
49:
50: struct btinfo_common {
51: int len;
52: int type;
53: };
1.1 fvdl 54:
55: struct btinfo_bootpath {
56: struct btinfo_common common;
57: char bootpath[80];
58: };
59:
1.11 jmmv 60: struct btinfo_rootdevice {
61: struct btinfo_common common;
62: char devname[16];
63: };
64:
1.1 fvdl 65: struct btinfo_bootdisk {
66: struct btinfo_common common;
67: int labelsector; /* label valid if != -1 */
68: struct {
1.9 junyoung 69: uint16_t type, checksum;
1.1 fvdl 70: char packname[16];
71: } label;
72: int biosdev;
73: int partition;
74: };
75:
1.6 thorpej 76: struct btinfo_bootwedge {
77: struct btinfo_common common;
78: int biosdev;
79: daddr_t startblk;
80: uint64_t nblks;
81: daddr_t matchblk;
82: uint64_t matchnblks;
83: uint8_t matchhash[16]; /* MD5 hash */
1.12 perry 84: } __packed;
1.6 thorpej 85:
1.1 fvdl 86: struct btinfo_netif {
87: struct btinfo_common common;
88: char ifname[16];
89: int bus;
90: #define BI_BUS_ISA 0
91: #define BI_BUS_PCI 1
92: union {
93: unsigned int iobase; /* ISA */
94: unsigned int tag; /* PCI, BIOS format */
95: } addr;
96: };
97:
98: struct btinfo_console {
99: struct btinfo_common common;
100: char devname[16];
101: int addr;
102: int speed;
103: };
104:
105: struct btinfo_symtab {
106: struct btinfo_common common;
107: int nsym;
108: int ssym;
109: int esym;
110: };
111:
112: struct bi_memmap_entry {
1.9 junyoung 113: uint64_t addr; /* beginning of block */ /* 8 */
114: uint64_t size; /* size of block */ /* 8 */
115: uint32_t type; /* type of block */ /* 4 */
1.12 perry 116: } __packed; /* == 20 */
1.1 fvdl 117:
118: #define BIM_Memory 1 /* available RAM usable by OS */
119: #define BIM_Reserved 2 /* in use or reserved by the system */
120: #define BIM_ACPI 3 /* ACPI Reclaim memory */
121: #define BIM_NVS 4 /* ACPI NVS memory */
1.26 ! nonaka 122: #define BIM_Unusable 5 /* errors have been detected */
! 123: #define BIM_Disabled 6 /* not enabled */
! 124: #define BIM_PMEM 7 /* Persistent memory */
! 125: #define BIM_PRAM 12 /* legacy NVDIMM (OEM defined) */
1.1 fvdl 126:
127: struct btinfo_memmap {
128: struct btinfo_common common;
129: int num;
130: struct bi_memmap_entry entry[1]; /* var len */
131: };
132:
1.8 dyoung 133: #if HAVE_NBTOOL_CONFIG_H
134: #include <nbinclude/sys/bootblock.h>
135: #else
1.3 lukem 136: #include <sys/bootblock.h>
1.8 dyoung 137: #endif /* HAVE_NBTOOL_CONFIG_H */
1.1 fvdl 138:
139: /*
140: * Structure describing disk info as seen by the BIOS.
141: */
142: struct bi_biosgeom_entry {
1.2 dsl 143: int sec, head, cyl; /* geometry */
1.9 junyoung 144: uint64_t totsec; /* LBA sectors from ext int13 */
1.2 dsl 145: int flags, dev; /* flags, BIOS device # */
146: #define BI_GEOM_INVALID 0x000001
147: #define BI_GEOM_EXTINT13 0x000002
1.9 junyoung 148: #ifdef BIOSDISK_EXTINFO_V3
1.2 dsl 149: #define BI_GEOM_BADCKSUM 0x000004 /* v3.x checksum invalid */
150: #define BI_GEOM_BUS_MASK 0x00ff00 /* connecting bus type */
151: #define BI_GEOM_BUS_ISA 0x000100
152: #define BI_GEOM_BUS_PCI 0x000200
153: #define BI_GEOM_BUS_OTHER 0x00ff00
154: #define BI_GEOM_IFACE_MASK 0xff0000 /* interface type */
155: #define BI_GEOM_IFACE_ATA 0x010000
156: #define BI_GEOM_IFACE_ATAPI 0x020000
157: #define BI_GEOM_IFACE_SCSI 0x030000
158: #define BI_GEOM_IFACE_USB 0x040000
159: #define BI_GEOM_IFACE_1394 0x050000 /* Firewire */
160: #define BI_GEOM_IFACE_FIBRE 0x060000 /* Fibre channel */
1.9 junyoung 161: #define BI_GEOM_IFACE_OTHER 0xff0000
1.2 dsl 162: unsigned int cksum; /* MBR checksum */
1.9 junyoung 163: unsigned int interface_path; /* ISA iobase PCI bus/dev/fun */
164: uint64_t device_path;
1.2 dsl 165: int res0; /* future expansion; 0 now */
166: #else
167: unsigned int cksum; /* MBR checksum */
168: int res0, res1, res2, res3; /* future expansion; 0 now */
169: #endif
1.20 christos 170: struct mbr_partition mbrparts[MBR_PART_COUNT]; /* MBR itself */
1.12 perry 171: } __packed;
1.1 fvdl 172:
173: struct btinfo_biosgeom {
174: struct btinfo_common common;
175: int num;
176: struct bi_biosgeom_entry disk[1]; /* var len */
177: };
178:
1.13 ad 179: struct bi_modulelist_entry {
180: char path[80];
181: int type;
182: int len;
183: uint32_t base;
184: };
185: #define BI_MODULE_NONE 0x00
186: #define BI_MODULE_ELF 0x01
1.17 jmcneill 187: #define BI_MODULE_IMAGE 0x02
1.19 tls 188: #define BI_MODULE_RND 0x03
1.23 jmcneill 189: #define BI_MODULE_FS 0x04
1.13 ad 190:
191: struct btinfo_modulelist {
192: struct btinfo_common common;
193: int num;
194: uint32_t endpa;
195: /* bi_modulelist_entry list follows */
196: };
197:
1.15 jmcneill 198: struct btinfo_framebuffer {
199: struct btinfo_common common;
200: uint64_t physaddr;
201: uint32_t flags;
202: uint32_t width;
203: uint32_t height;
204: uint16_t stride;
205: uint8_t depth;
206: uint8_t rnum;
207: uint8_t gnum;
208: uint8_t bnum;
209: uint8_t rpos;
210: uint8_t gpos;
211: uint8_t bpos;
1.16 jmcneill 212: uint16_t vbemode;
213: uint8_t reserved[14];
1.15 jmcneill 214: };
215:
1.18 uebayasi 216: struct bi_userconfcommand {
217: char text[80];
218: };
219:
220: struct btinfo_userconfcommands {
221: struct btinfo_common common;
222: int num;
223: /* bi_userconfcommand list follows */
224: };
225:
1.24 christos 226: /* EFI Information */
227: struct btinfo_efi {
228: struct btinfo_common common;
1.25 nonaka 229: uint64_t systblpa; /* Physical address of the EFI System Table */
230: uint32_t flags;
231: #define BI_EFI_32BIT __BIT(0) /* 32bit UEFI */
232: uint8_t reserved[12];
233: };
234:
235: struct btinfo_efimemmap {
236: struct btinfo_common common;
237: uint32_t num; /* number of memory descriptor */
238: uint32_t version; /* version of memory descriptor */
239: uint32_t size; /* size of memory descriptor */
240: uint8_t memmap[1]; /* whole memory descriptors */
1.24 christos 241: };
242:
1.10 jmmv 243: #endif /* _LOCORE */
244:
1.1 fvdl 245: #ifdef _KERNEL
1.10 jmmv 246:
247: #define BOOTINFO_MAXSIZE 4096
248:
249: #ifndef _LOCORE
250: /*
251: * Structure that holds the information passed by the boot loader.
252: */
253: struct bootinfo {
254: /* Number of bootinfo_* entries in bi_data. */
255: uint32_t bi_nentries;
256:
257: /* Raw data of bootinfo entries. The first one (if any) is
258: * found at bi_data[0] and can be casted to (bootinfo_common *).
259: * Once this is done, the following entry is found at 'len'
260: * offset as specified by the previous entry. */
261: uint8_t bi_data[BOOTINFO_MAXSIZE - sizeof(uint32_t)];
262: };
263:
1.14 tron 264: extern struct bootinfo bootinfo;
265:
1.4 junyoung 266: void *lookup_bootinfo(int);
1.24 christos 267: void aprint_bootinfo(void);
1.1 fvdl 268: #endif /* _LOCORE */
269:
1.10 jmmv 270: #endif /* _KERNEL */
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