1 /* $NetBSD: arcbios.h,v 1.11 2017/06/22 16:46:53 flxd Exp $ */ 2 /* $OpenBSD: arcbios.h,v 1.1 1998/01/29 15:06:22 pefo Exp $ */ 3 4 /*- 5 * Copyright (c) 1996 M. Warner Losh. 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 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/types.h> 33 34 typedef struct arc_sid 35 { 36 char vendor[8]; 37 char prodid[8]; 38 } arc_sid_t; 39 40 typedef enum arc_config_class 41 { 42 arc_SystemClass, 43 arc_ProcessorClass, 44 arc_CacheClass, 45 arc_AdapterClass, 46 arc_ControllerClass, 47 arc_PeripheralClass, 48 arc_MemoryClass 49 } arc_config_class_t; 50 51 typedef enum arc_config_type 52 { 53 arc_System, 54 55 arc_CentralProcessor, 56 arc_FloatingPointProcessor, 57 58 arc_PrimaryIcache, 59 arc_PrimaryDcache, 60 arc_SecondaryIcache, 61 arc_SecondaryDcache, 62 arc_SecondaryCache, 63 64 arc_EisaAdapter, /* Eisa adapter */ 65 arc_TcAdapter, /* TURBOchannel adapter */ 66 arc_ScsiAdapter, /* SCSI adapter */ 67 arc_DtiAdapter, /* AccessBus adapter */ 68 arc_MultiFunctionAdapter, 69 70 arc_DiskController, 71 arc_TapeController, 72 arc_CdromController, 73 arc_WormController, 74 arc_SerialController, 75 arc_NetworkController, 76 arc_DisplayController, 77 arc_ParallelController, 78 arc_PointerController, 79 arc_KeyboardController, 80 arc_AudioController, 81 arc_OtherController, /* denotes a controller not otherwise defined */ 82 83 arc_DiskPeripheral, 84 arc_FloppyDiskPeripheral, 85 arc_TapePeripheral, 86 arc_ModemPeripheral, 87 arc_MonitorPeripheral, 88 arc_PrinterPeripheral, 89 arc_PointerPeripheral, 90 arc_KeyboardPeripheral, 91 arc_TerminalPeripheral, 92 arc_OtherPeripheral, /* denotes a peripheral not otherwise defined */ 93 arc_LinePeripheral, 94 arc_NetworkPeripheral, 95 96 arc_SystemMemory 97 } arc_config_type_t; 98 99 typedef u_char arc_dev_flags_t; 100 101 /* Wonder how this is aligned... */ 102 typedef struct arc_config 103 { 104 arc_config_class_t class; /* Likely these three all */ 105 arc_config_type_t type; /* need to be uchar to make */ 106 arc_dev_flags_t flags; /* the alignment right */ 107 uint16_t version; 108 uint16_t revision; 109 uint32_t key; 110 uint32_t affinity_mask; 111 uint32_t config_data_len; 112 uint32_t id_len; 113 char *id; 114 } arc_config_t; 115 116 typedef enum arc_status 117 { 118 arc_ESUCCESS, /* Success */ 119 arc_E2BIG, /* Arg list too long */ 120 arc_EACCES, /* No such file or directory */ 121 arc_EAGAIN, /* Try again */ 122 arc_EBADF, /* Bad file number */ 123 arc_EBUSY, /* Device or resource busy */ 124 arc_EFAULT, /* Bad address */ 125 arc_EINVAL, /* Invalid argument */ 126 arc_EIO, /* I/O error */ 127 arc_EISDIR, /* Is a directory */ 128 arc_EMFILE, /* Too many open files */ 129 arc_EMLINK, /* Too many links */ 130 arc_ENAMETOOLONG, /* File name too long */ 131 arc_ENODEV, /* No such device */ 132 arc_ENOENT, /* No such file or directory */ 133 arc_ENOEXEC, /* Exec format error */ 134 arc_ENOMEM, /* Out of memory */ 135 arc_ENOSPC, /* No space left on device */ 136 arc_ENOTDIR, /* Not a directory */ 137 arc_ENOTTY, /* Not a typewriter */ 138 arc_ENXIO, /* No such device or address */ 139 arc_EROFS, /* Read-only file system */ 140 } arc_status_t; 141 142 #ifdef arc 143 typedef enum { 144 ExeceptionBlock, 145 SystemParameterBlock, 146 FreeMemory, 147 BadMemory, 148 LoadedProgram, 149 FirmwareTemporary, 150 FirmwarePermanent, 151 FreeContigous 152 } MEMORYTYPE; 153 #endif 154 #ifdef sgi /* note: SGI's systems have different order of types. */ 155 typedef enum { 156 ExeceptionBlock, 157 SystemParameterBlock, 158 FreeContigous, 159 FreeMemory, 160 BadMemory, 161 LoadedProgram, 162 FirmwareTemporary, 163 FirmwarePermanent, 164 } MEMORYTYPE; 165 #endif 166 167 typedef struct arc_mem { 168 MEMORYTYPE Type; /* Memory chunk type */ 169 uint32_t BasePage; /* Page no, first page */ 170 uint32_t PageCount; /* Number of pages */ 171 } arc_mem_t; 172 173 typedef void *arc_time_t; /* XXX */ 174 175 typedef struct arc_dsp_stat { 176 uint16_t CursorXPosition; 177 uint16_t CursorYPosition; 178 uint16_t CursorMaxXPosition; 179 uint16_t CursorMaxYPosition; 180 u_char ForegroundColor; 181 u_char BackgroundColor; 182 u_char HighIntensity; 183 u_char Underscored; 184 u_char ReverseVideo; 185 } arc_dsp_stat_t; 186 187 typedef void *arc_dirent_t; /* XXX */ 188 typedef uint32_t arc_open_mode_t; /* XXX */ 189 typedef uint32_t arc_seek_mode_t; /* XXX */ 190 typedef uint32_t arc_mount_t; /* XXX */ 191 192 typedef struct arc_calls 193 { 194 arc_status_t (*load)( /* Load 1 */ 195 char *, /* Image to load */ 196 uint32_t, /* top address */ 197 uint32_t *, /* Entry address */ 198 uint32_t *); /* Low address */ 199 200 arc_status_t (*invoke)( /* Invoke 2 */ 201 uint32_t, /* Entry Address */ 202 uint32_t, /* Stack Address */ 203 uint32_t, /* Argc */ 204 char **, /* argv */ 205 char **); /* envp */ 206 207 arc_status_t (*execute)( /* Execute 3 */ 208 char *, /* Image path */ 209 uint32_t, /* Argc */ 210 char **, /* argv */ 211 char **); /* envp */ 212 213 void (*halt)(void) 214 __attribute__((__noreturn__)); /* Halt 4 */ 215 216 void (*power_down)(void) 217 __attribute__((__noreturn__)); /* PowerDown 5 */ 218 219 void (*restart)(void) 220 __attribute__((__noreturn__)); /* Restart 6 */ 221 222 void (*reboot)(void) 223 __attribute__((__noreturn__)); /* Reboot 7 */ 224 225 void (*enter_interactive_mode)(void) 226 __attribute__((__noreturn__)); /* EnterInteractiveMode 8 */ 227 228 void (*return_from_main)(void) 229 __attribute__((__noreturn__)); /* ReturnFromMain 9 */ 230 231 arc_config_t *(*get_peer)( /* GetPeer 10 */ 232 arc_config_t *); /* Component */ 233 234 arc_config_t *(*get_child)( /* GetChild 11 */ 235 arc_config_t *); /* Component */ 236 237 arc_config_t *(*get_parent)( /* GetParent 12 */ 238 arc_config_t *); /* Component */ 239 240 arc_status_t (*get_config_data)( /* GetConfigurationData 13 */ 241 void *, /* Configuration Data */ 242 arc_config_t *); /* Component */ 243 244 arc_config_t *(*add_child)( /* AddChild 14 */ 245 arc_config_t *, /* Component */ 246 arc_config_t *); /* New Component */ 247 248 arc_status_t (*delete_component)( /* DeleteComponent 15 */ 249 arc_config_t *); /* Component */ 250 251 arc_config_t *(*get_component)( /* GetComponent 16 */ 252 char *); /* Path */ 253 254 arc_status_t (*save_config)(void); /* SaveConfiguration 17 */ 255 256 arc_sid_t *(*get_system_id)(void); /* GetSystemId 18 */ 257 258 arc_mem_t *(*get_memory_descriptor)( /* GetMemoryDescriptor 19 */ 259 arc_mem_t *); /* MemoryDescriptor */ 260 261 #ifdef arc 262 void (*signal)( /* Signal 20 */ 263 uint32_t, /* Signal number */ 264 /**/ void *); /* Handler */ 265 #endif 266 #ifdef sgi 267 void *unused; 268 #endif 269 270 arc_time_t *(*get_time)(void); /* GetTime 21 */ 271 272 uint32_t (*get_relative_time)(void); /* GetRelativeTime 22 */ 273 274 arc_status_t (*get_dir_entry)( /* GetDirectoryEntry 23 */ 275 uint32_t, /* FileId */ 276 arc_dirent_t *, /* Directory entry */ 277 uint32_t, /* Length */ 278 uint32_t *); /* Count */ 279 280 arc_status_t (*open)( /* Open 24 */ 281 char *, /* Path */ 282 arc_open_mode_t, /* Open mode */ 283 uint32_t *); /* FileId */ 284 285 arc_status_t (*close)( /* Close 25 */ 286 uint32_t); /* FileId */ 287 288 arc_status_t (*read)( /* Read 26 */ 289 uint32_t, /* FileId */ 290 void *, /* Buffer */ 291 uint32_t, /* Length */ 292 uint32_t *); /* Count */ 293 294 arc_status_t (*get_read_status)( /* GetReadStatus 27 */ 295 uint32_t); /* FileId */ 296 297 arc_status_t (*write)( /* Write 28 */ 298 uint32_t, /* FileId */ 299 void *, /* Buffer */ 300 uint32_t, /* Length */ 301 uint32_t *); /* Count */ 302 303 arc_status_t (*seek)( /* Seek 29 */ 304 uint32_t, /* FileId */ 305 int64_t *, /* Offset */ 306 arc_seek_mode_t); /* Mode */ 307 308 arc_status_t (*mount)( /* Mount 30 */ 309 char *, /* Path */ 310 arc_mount_t); /* Operation */ 311 312 const char *(*getenv)( /* GetEnvironmentVariable 31 */ 313 const char *); /* Variable */ 314 315 arc_status_t (*putenv)( /* SetEnvironmentVariable 32 */ 316 char *, /* Variable */ 317 char *); /* Value */ 318 319 arc_status_t (*get_file_info)(void); /* GetFileInformation 33 */ 320 321 arc_status_t (*set_file_info)(void); /* SetFileInformation 34 */ 322 323 void (*flush_all_caches)(void); /* FlushAllCaches 35 */ 324 325 /* note: the followings don't exist on SGI */ 326 #ifdef arc 327 arc_status_t (*test_unicode)( /* TestUnicodeCharacter 36 */ 328 uint32_t, /* FileId */ 329 uint16_t); /* UnicodeCharacter */ 330 331 arc_dsp_stat_t *(*get_display_status)( /* GetDisplayStatus 37 */ 332 uint32_t); /* FileId */ 333 #endif 334 } arc_calls_t; 335 336 #define ARC_PARAM_BLK_MAGIC 0x53435241 337 #define ARC_PARAM_BLK_MAGIC_BUG 0x41524353 /* This is wrong... but req */ 338 339 typedef struct arc_param_blk 340 { 341 uint32_t magic; /* Magic Number */ 342 uint32_t length; /* Length of parameter block */ 343 uint16_t version; /* ?? */ 344 uint16_t revision; /* ?? */ 345 /**/ void * restart_block; /* ?? */ 346 /**/ void * debug_block; /* Debugging info -- unused */ 347 /**/ void * general_exp_vect; /* ?? */ 348 /**/ void * tlb_miss_exp_vect; /* ?? */ 349 uint32_t firmware_length; /* Size of Firmware jumptable in bytes */ 350 arc_calls_t *firmware_vect; /* Firmware jumptable */ 351 uint32_t vendor_length; /* Size of Vendor specific jumptable */ 352 /**/ void * vendor_vect; /* Vendor specific jumptable */ 353 uint32_t adapter_count; /* ?? */ 354 uint32_t adapter0_type; /* ?? */ 355 uint32_t adapter0_length; /* ?? */ 356 /**/ void * adapter0_vect; /* ?? */ 357 } arc_param_blk_t; 358 359 #define ArcBiosBase ((arc_param_blk_t *) 0x80001000) 360 #define ArcBios (ArcBiosBase->firmware_vect) 361 362 /* 363 * All functions except bios_ident() should be called only if 364 * bios_ident() returns >= 0. 365 */ 366 int bios_ident(void); 367 void bios_init_console(void); 368 int bios_configure_memory(int *, phys_ram_seg_t *, int *); 369 void bios_save_info(void); 370 #ifdef arc 371 void bios_display_info(int *, int *, int *, int *); 372 #endif 373 374 extern char arc_vendor_id[sizeof(((arc_sid_t *)0)->vendor) + 1]; 375 extern unsigned char arc_product_id[sizeof(((arc_sid_t *)0)->prodid)]; 376 extern char arc_id[64 + 1]; 377 extern char arc_displayc_id[64 + 1]; 378 extern arc_dsp_stat_t arc_displayinfo; 379 extern int arc_cpu_l2cache_size; 380
Indexes created Sun Sep 21 20:09:37 GMT 2025