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1 | 13 | up20180614 | /* $NetBSD: bootinfo.h,v 1.23 2013/08/30 16:42:17 jmcneill Exp $ */
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2 | |||
3 | /*
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4 | * Copyright (c) 1997
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5 | * Matthias Drochner. All rights reserved.
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6 | *
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | * 2. Redistributions in binary form must reproduce the above copyright
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13 | * notice, this list of conditions and the following disclaimer in the
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14 | * documentation and/or other materials provided with the distribution.
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15 | *
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 | *
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27 | */
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28 | |||
29 | #define BTINFO_BOOTPATH 0 |
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30 | #define BTINFO_ROOTDEVICE 1 |
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31 | #define BTINFO_BOOTDISK 3 |
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32 | #define BTINFO_NETIF 4 |
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33 | #define BTINFO_CONSOLE 6 |
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34 | #define BTINFO_BIOSGEOM 7 |
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35 | #define BTINFO_SYMTAB 8 |
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36 | #define BTINFO_MEMMAP 9 |
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37 | #define BTINFO_BOOTWEDGE 10 |
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38 | #define BTINFO_MODULELIST 11 |
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39 | #define BTINFO_FRAMEBUFFER 12 |
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40 | #define BTINFO_USERCONFCOMMANDS 13 |
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41 | |||
42 | #ifndef _LOCORE
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43 | |||
44 | struct btinfo_common {
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45 | int len;
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46 | int type;
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47 | }; |
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48 | |||
49 | struct btinfo_bootpath {
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50 | struct btinfo_common common;
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51 | char bootpath[80]; |
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52 | }; |
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53 | |||
54 | struct btinfo_rootdevice {
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55 | struct btinfo_common common;
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56 | char devname[16]; |
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57 | }; |
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58 | |||
59 | struct btinfo_bootdisk {
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60 | struct btinfo_common common;
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61 | int labelsector; /* label valid if != -1 */ |
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62 | struct {
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63 | uint16_t type, checksum; |
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64 | char packname[16]; |
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65 | } label; |
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66 | int biosdev;
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67 | int partition;
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68 | }; |
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69 | |||
70 | struct btinfo_bootwedge {
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71 | struct btinfo_common common;
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72 | int biosdev;
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73 | daddr_t startblk; |
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74 | uint64_t nblks; |
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75 | daddr_t matchblk; |
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76 | uint64_t matchnblks; |
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77 | uint8_t matchhash[16]; /* MD5 hash */ |
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78 | } __packed; |
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79 | |||
80 | struct btinfo_netif {
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81 | struct btinfo_common common;
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82 | char ifname[16]; |
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83 | int bus;
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84 | #define BI_BUS_ISA 0 |
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85 | #define BI_BUS_PCI 1 |
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86 | union {
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87 | unsigned int iobase; /* ISA */ |
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88 | unsigned int tag; /* PCI, BIOS format */ |
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89 | } addr; |
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90 | }; |
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91 | |||
92 | struct btinfo_console {
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93 | struct btinfo_common common;
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94 | char devname[16]; |
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95 | int addr;
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96 | int speed;
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97 | }; |
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98 | |||
99 | struct btinfo_symtab {
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100 | struct btinfo_common common;
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101 | int nsym;
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102 | int ssym;
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103 | int esym;
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104 | }; |
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105 | |||
106 | struct bi_memmap_entry {
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107 | uint64_t addr; /* beginning of block */ /* 8 */ |
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108 | uint64_t size; /* size of block */ /* 8 */ |
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109 | uint32_t type; /* type of block */ /* 4 */ |
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110 | } __packed; /* == 20 */
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111 | |||
112 | #define BIM_Memory 1 /* available RAM usable by OS */ |
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113 | #define BIM_Reserved 2 /* in use or reserved by the system */ |
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114 | #define BIM_ACPI 3 /* ACPI Reclaim memory */ |
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115 | #define BIM_NVS 4 /* ACPI NVS memory */ |
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116 | |||
117 | struct btinfo_memmap {
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118 | struct btinfo_common common;
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119 | int num;
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120 | struct bi_memmap_entry entry[1]; /* var len */ |
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121 | }; |
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122 | |||
123 | #if HAVE_NBTOOL_CONFIG_H
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124 | #include <nbinclude/sys/bootblock.h> |
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125 | #else
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126 | #include <sys/bootblock.h> |
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127 | #endif /* HAVE_NBTOOL_CONFIG_H */ |
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128 | |||
129 | /*
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130 | * Structure describing disk info as seen by the BIOS.
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131 | */
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132 | struct bi_biosgeom_entry {
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133 | int sec, head, cyl; /* geometry */ |
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134 | uint64_t totsec; /* LBA sectors from ext int13 */
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135 | int flags, dev; /* flags, BIOS device # */ |
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136 | #define BI_GEOM_INVALID 0x000001 |
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137 | #define BI_GEOM_EXTINT13 0x000002 |
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138 | #ifdef BIOSDISK_EXTINFO_V3
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139 | #define BI_GEOM_BADCKSUM 0x000004 /* v3.x checksum invalid */ |
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140 | #define BI_GEOM_BUS_MASK 0x00ff00 /* connecting bus type */ |
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141 | #define BI_GEOM_BUS_ISA 0x000100 |
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142 | #define BI_GEOM_BUS_PCI 0x000200 |
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143 | #define BI_GEOM_BUS_OTHER 0x00ff00 |
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144 | #define BI_GEOM_IFACE_MASK 0xff0000 /* interface type */ |
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145 | #define BI_GEOM_IFACE_ATA 0x010000 |
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146 | #define BI_GEOM_IFACE_ATAPI 0x020000 |
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147 | #define BI_GEOM_IFACE_SCSI 0x030000 |
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148 | #define BI_GEOM_IFACE_USB 0x040000 |
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149 | #define BI_GEOM_IFACE_1394 0x050000 /* Firewire */ |
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150 | #define BI_GEOM_IFACE_FIBRE 0x060000 /* Fibre channel */ |
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151 | #define BI_GEOM_IFACE_OTHER 0xff0000 |
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152 | unsigned int cksum; /* MBR checksum */ |
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153 | unsigned int interface_path; /* ISA iobase PCI bus/dev/fun */ |
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154 | uint64_t device_path; |
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155 | int res0; /* future expansion; 0 now */ |
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156 | #else
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157 | unsigned int cksum; /* MBR checksum */ |
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158 | int res0, res1, res2, res3; /* future expansion; 0 now */ |
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159 | #endif
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160 | struct mbr_partition mbrparts[MBR_PART_COUNT]; /* MBR itself */ |
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161 | } __packed; |
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162 | |||
163 | struct btinfo_biosgeom {
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164 | struct btinfo_common common;
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165 | int num;
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166 | struct bi_biosgeom_entry disk[1]; /* var len */ |
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167 | }; |
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168 | |||
169 | struct bi_modulelist_entry {
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170 | char path[80]; |
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171 | int type;
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172 | int len;
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173 | uint32_t base; |
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174 | }; |
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175 | #define BI_MODULE_NONE 0x00 |
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176 | #define BI_MODULE_ELF 0x01 |
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177 | #define BI_MODULE_IMAGE 0x02 |
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178 | #define BI_MODULE_RND 0x03 |
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179 | #define BI_MODULE_FS 0x04 |
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180 | |||
181 | struct btinfo_modulelist {
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182 | struct btinfo_common common;
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183 | int num;
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184 | uint32_t endpa; |
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185 | /* bi_modulelist_entry list follows */
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186 | }; |
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187 | |||
188 | struct btinfo_framebuffer {
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189 | struct btinfo_common common;
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190 | uint64_t physaddr; |
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191 | uint32_t flags; |
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192 | uint32_t width; |
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193 | uint32_t height; |
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194 | uint16_t stride; |
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195 | uint8_t depth; |
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196 | uint8_t rnum; |
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197 | uint8_t gnum; |
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198 | uint8_t bnum; |
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199 | uint8_t rpos; |
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200 | uint8_t gpos; |
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201 | uint8_t bpos; |
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202 | uint16_t vbemode; |
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203 | uint8_t reserved[14];
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204 | }; |
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205 | |||
206 | struct bi_userconfcommand {
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207 | char text[80]; |
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208 | }; |
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209 | |||
210 | struct btinfo_userconfcommands {
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211 | struct btinfo_common common;
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212 | int num;
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213 | /* bi_userconfcommand list follows */
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214 | }; |
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215 | |||
216 | #endif /* _LOCORE */ |
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217 | |||
218 | #ifdef _KERNEL
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219 | |||
220 | #define BOOTINFO_MAXSIZE 4096 |
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221 | |||
222 | #ifndef _LOCORE
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223 | /*
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224 | * Structure that holds the information passed by the boot loader.
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225 | */
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226 | struct bootinfo {
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227 | /* Number of bootinfo_* entries in bi_data. */
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228 | uint32_t bi_nentries; |
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229 | |||
230 | /* Raw data of bootinfo entries. The first one (if any) is
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231 | * found at bi_data[0] and can be casted to (bootinfo_common *).
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232 | * Once this is done, the following entry is found at 'len'
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233 | * offset as specified by the previous entry. */
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234 | uint8_t bi_data[BOOTINFO_MAXSIZE - sizeof(uint32_t)];
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235 | }; |
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236 | |||
237 | extern struct bootinfo bootinfo; |
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238 | |||
239 | void *lookup_bootinfo(int); |
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240 | #endif /* _LOCORE */ |
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241 | |||
242 | #endif /* _KERNEL */ |