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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * ARC firmware interface defines. * * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org) * Copyright (C) 1999 Silicon Graphics, Inc. */ #ifndef _ASM_SGIARCS_H #define _ASM_SGIARCS_H #include <linux/config.h> #include <asm/types.h> #include <asm/arc/types.h> /* Various ARCS error codes. */ #define PROM_ESUCCESS 0x00 #define PROM_E2BIG 0x01 #define PROM_EACCESS 0x02 #define PROM_EAGAIN 0x03 #define PROM_EBADF 0x04 #define PROM_EBUSY 0x05 #define PROM_EFAULT 0x06 #define PROM_EINVAL 0x07 #define PROM_EIO 0x08 #define PROM_EISDIR 0x09 #define PROM_EMFILE 0x0a #define PROM_EMLINK 0x0b #define PROM_ENAMETOOLONG 0x0c #define PROM_ENODEV 0x0d #define PROM_ENOENT 0x0e #define PROM_ENOEXEC 0x0f #define PROM_ENOMEM 0x10 #define PROM_ENOSPC 0x11 #define PROM_ENOTDIR 0x12 #define PROM_ENOTTY 0x13 #define PROM_ENXIO 0x14 #define PROM_EROFS 0x15 /* SGI ARCS specific errno's. */ #define PROM_EADDRNOTAVAIL 0x1f #define PROM_ETIMEDOUT 0x20 #define PROM_ECONNABORTED 0x21 #define PROM_ENOCONNECT 0x22 /* Device classes, types, and identifiers for prom * device inventory queries. */ enum linux_devclass { system, processor, cache, adapter, controller, peripheral, memory }; enum linux_devtypes { /* Generic stuff. */ Arc, Cpu, Fpu, /* Primary insn and data caches. */ picache, pdcache, /* Secondary insn, data, and combined caches. */ sicache, sdcache, sccache, memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter, multifunc_adapter, dsk_controller, tp_controller, cdrom_controller, worm_controller, serial_controller, net_controller, disp_controller, parallel_controller, ptr_controller, kbd_controller, audio_controller, misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral, modem_peripheral, monitor_peripheral, printer_peripheral, ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral, net_peripheral, misc_peripheral, anon }; enum linux_identifier { bogus, ronly, removable, consin, consout, input, output }; /* A prom device tree component. */ struct linux_component { enum linux_devclass class; /* node class */ enum linux_devtypes type; /* node type */ enum linux_identifier iflags; /* node flags */ USHORT vers; /* node version */ USHORT rev; /* node revision */ ULONG key; /* completely magic */ ULONG amask; /* XXX affinity mask??? */ ULONG cdsize; /* size of configuration data */ ULONG ilen; /* length of string identifier */ _PULONG iname; /* string identifier */ }; typedef struct linux_component pcomponent; struct linux_sysid { char vend[8], prod[8]; }; /* ARCS prom memory descriptors. */ enum arcs_memtypes { arcs_eblock, /* exception block */ arcs_rvpage, /* ARCS romvec page */ arcs_fcontig, /* Contiguous and free */ arcs_free, /* Generic free memory */ arcs_bmem, /* Borken memory, don't use */ arcs_prog, /* A loaded program resides here */ arcs_atmp, /* ARCS temporary storage area, wish Sparc OpenBoot told this */ arcs_aperm, /* ARCS permanent storage... */ }; /* ARC has slightly different types than ARCS */ enum arc_memtypes { arc_eblock, /* exception block */ arc_rvpage, /* romvec page */ arc_free, /* Generic free memory */ arc_bmem, /* Borken memory, don't use */ arc_prog, /* A loaded program resides here */ arc_atmp, /* temporary storage area */ arc_aperm, /* permanent storage */ arc_fcontig, /* Contiguous and free */ }; union linux_memtypes { enum arcs_memtypes arcs; enum arc_memtypes arc; }; struct linux_mdesc { union linux_memtypes type; ULONG base; ULONG pages; }; /* Time of day descriptor. */ struct linux_tinfo { unsigned short yr; unsigned short mnth; unsigned short day; unsigned short hr; unsigned short min; unsigned short sec; unsigned short msec; }; /* ARCS virtual dirents. */ struct linux_vdirent { ULONG namelen; unsigned char attr; char fname[32]; /* XXX imperical, should be a define */ }; /* Other stuff for files. */ enum linux_omode { rdonly, wronly, rdwr, wronly_creat, rdwr_creat, wronly_ssede, rdwr_ssede, dirent, dirent_creat }; enum linux_seekmode { absolute, relative }; enum linux_mountops { media_load, media_unload }; /* This prom has a bolixed design. */ struct linux_bigint { #ifdef __MIPSEL__ u32 lo; s32 hi; #else /* !(__MIPSEL__) */ s32 hi; u32 lo; #endif }; struct linux_finfo { struct linux_bigint begin; struct linux_bigint end; struct linux_bigint cur; enum linux_devtypes dtype; unsigned long namelen; unsigned char attr; char name[32]; /* XXX imperical, should be define */ }; /* This describes the vector containing function pointers to the ARC firmware functions. */ struct linux_romvec { LONG load; /* Load an executable image. */ LONG invoke; /* Invoke a standalong image. */ LONG exec; /* Load and begin execution of a standalone image. */ LONG halt; /* Halt the machine. */ LONG pdown; /* Power down the machine. */ LONG restart; /* XXX soft reset??? */ LONG reboot; /* Reboot the machine. */ LONG imode; /* Enter PROM interactive mode. */ LONG _unused1; /* Was ReturnFromMain(). */ /* PROM device tree interface. */ LONG next_component; LONG child_component; LONG parent_component; LONG component_data; LONG child_add; LONG comp_del; LONG component_by_path; /* Misc. stuff. */ LONG cfg_save; LONG get_sysid; /* Probing for memory. */ LONG get_mdesc; LONG _unused2; /* was Signal() */ LONG get_tinfo; LONG get_rtime; /* File type operations. */ LONG get_vdirent; LONG open; LONG close; LONG read; LONG get_rstatus; LONG write; LONG seek; LONG mount; /* Dealing with firmware environment variables. */ LONG get_evar; LONG set_evar; LONG get_finfo; LONG set_finfo; /* Miscellaneous. */ LONG cache_flush; LONG TestUnicodeCharacter; /* ARC; not sure if ARCS too */ LONG GetDisplayStatus; }; /* The SGI ARCS parameter block is in a fixed location for standalone * programs to access PROM facilities easily. */ typedef struct _SYSTEM_PARAMETER_BLOCK { ULONG magic; /* magic cookie */ #define PROMBLOCK_MAGIC 0x53435241 ULONG len; /* length of parm block */ USHORT ver; /* ARCS firmware version */ USHORT rev; /* ARCS firmware revision */ _PLONG rs_block; /* Restart block. */ _PLONG dbg_block; /* Debug block. */ _PLONG gevect; /* XXX General vector??? */ _PLONG utlbvect; /* XXX UTLB vector??? */ ULONG rveclen; /* Size of romvec struct. */ _PVOID romvec; /* Function interface. */ ULONG pveclen; /* Length of private vector. */ _PVOID pvector; /* Private vector. */ ULONG adap_cnt; /* Adapter count. */ ULONG adap_typ0; /* First adapter type. */ ULONG adap_vcnt0; /* Adapter 0 vector count. */ _PVOID adap_vector; /* Adapter 0 vector ptr. */ ULONG adap_typ1; /* Second adapter type. */ ULONG adap_vcnt1; /* Adapter 1 vector count. */ _PVOID adap_vector1; /* Adapter 1 vector ptr. */ /* More adapter vectors go here... */ } SYSTEM_PARAMETER_BLOCK, *PSYSTEM_PARAMETER_BLOCK; #define PROMBLOCK ((PSYSTEM_PARAMETER_BLOCK) (int)0xA0001000) #define ROMVECTOR ((struct linux_romvec *) (long)(PROMBLOCK)->romvec) /* Cache layout parameter block. */ union linux_cache_key { struct param { #ifdef __MIPSEL__ unsigned short size; unsigned char lsize; unsigned char bsize; #else /* !(__MIPSEL__) */ unsigned char bsize; unsigned char lsize; unsigned short size; #endif } info; unsigned long allinfo; }; /* Configuration data. */ struct linux_cdata { char *name; int mlen; enum linux_devtypes type; }; /* Common SGI ARCS firmware file descriptors. */ #define SGIPROM_STDIN 0 #define SGIPROM_STDOUT 1 /* Common SGI ARCS firmware file types. */ #define SGIPROM_ROFILE 0x01 /* read-only file */ #define SGIPROM_HFILE 0x02 /* hidden file */ #define SGIPROM_SFILE 0x04 /* System file */ #define SGIPROM_AFILE 0x08 /* Archive file */ #define SGIPROM_DFILE 0x10 /* Directory file */ #define SGIPROM_DELFILE 0x20 /* Deleted file */ /* SGI ARCS boot record information. */ struct sgi_partition { unsigned char flag; #define SGIPART_UNUSED 0x00 #define SGIPART_ACTIVE 0x80 unsigned char shead, ssect, scyl; /* unused */ unsigned char systype; /* OS type, Irix or NT */ unsigned char ehead, esect, ecyl; /* unused */ unsigned char rsect0, rsect1, rsect2, rsect3; unsigned char tsect0, tsect1, tsect2, tsect3; }; #define SGIBBLOCK_MAGIC 0xaa55 #define SGIBBLOCK_MAXPART 0x0004 struct sgi_bootblock { unsigned char _unused[446]; struct sgi_partition partitions[SGIBBLOCK_MAXPART]; unsigned short magic; }; /* BIOS parameter block. */ struct sgi_bparm_block { unsigned short bytes_sect; /* bytes per sector */ unsigned char sect_clust; /* sectors per cluster */ unsigned short sect_resv; /* reserved sectors */ unsigned char nfats; /* # of allocation tables */ unsigned short nroot_dirents; /* # of root directory entries */ unsigned short sect_volume; /* sectors in volume */ unsigned char media_type; /* media descriptor */ unsigned short sect_fat; /* sectors per allocation table */ unsigned short sect_track; /* sectors per track */ unsigned short nheads; /* # of heads */ unsigned short nhsects; /* # of hidden sectors */ }; struct sgi_bsector { unsigned char jmpinfo[3]; unsigned char manuf_name[8]; struct sgi_bparm_block info; }; /* Debugging block used with SGI symmon symbolic debugger. */ #define SMB_DEBUG_MAGIC 0xfeeddead struct linux_smonblock { unsigned long magic; void (*handler)(void); /* Breakpoint routine. */ unsigned long dtable_base; /* Base addr of dbg table. */ int (*printf)(const char *fmt, ...); unsigned long btable_base; /* Breakpoint table. */ unsigned long mpflushreqs; /* SMP cache flush request list. */ unsigned long ntab; /* Name table. */ unsigned long stab; /* Symbol table. */ int smax; /* Max # of symbols. */ }; /* * Macros for calling a 32-bit ARC implementation from 64-bit code */ #if defined(CONFIG_64BIT) && defined(CONFIG_ARC32) #define __arc_clobbers \ "$2","$3" /* ... */, "$8","$9","$10","$11", \ "$12","$13","$14","$15","$16","$24","$25","$31" #define ARC_CALL0(dest) \ ({ long __res; \ long __vec = (long) romvec->dest; \ __asm__ __volatile__( \ "dsubu\t$29, 32\n\t" \ "jalr\t%1\n\t" \ "daddu\t$29, 32\n\t" \ "move\t%0, $2" \ : "=r" (__res), "=r" (__vec) \ : "1" (__vec) \ : __arc_clobbers, "$4","$5","$6","$7"); \ (unsigned long) __res; \ }) #define ARC_CALL1(dest,a1) \ ({ long __res; \ register signed int __a1 __asm__("$4") = (int) (long) (a1); \ long __vec = (long) romvec->dest; \ __asm__ __volatile__( \ "dsubu\t$29, 32\n\t" \ "jalr\t%1\n\t" \ "daddu\t$29, 32\n\t" \ "move\t%0, $2" \ : "=r" (__res), "=r" (__vec) \ : "1" (__vec), "r" (__a1) \ : __arc_clobbers, "$5","$6","$7"); \ (unsigned long) __res; \ }) #define ARC_CALL2(dest,a1,a2) \ ({ long __res; \ register signed int __a1 __asm__("$4") = (int) (long) (a1); \ register signed int __a2 __asm__("$5") = (int) (long) (a2); \ long __vec = (long) romvec->dest; \ __asm__ __volatile__( \ "dsubu\t$29, 32\n\t" \ "jalr\t%1\n\t" \ "daddu\t$29, 32\n\t" \ "move\t%0, $2" \ : "=r" (__res), "=r" (__vec) \ : "1" (__vec), "r" (__a1), "r" (__a2) \ : __arc_clobbers, "$6","$7"); \ __res; \ }) #define ARC_CALL3(dest,a1,a2,a3) \ ({ long __res; \ register signed int __a1 __asm__("$4") = (int) (long) (a1); \ register signed int __a2 __asm__("$5") = (int) (long) (a2); \ register signed int __a3 __asm__("$6") = (int) (long) (a3); \ long __vec = (long) romvec->dest; \ __asm__ __volatile__( \ "dsubu\t$29, 32\n\t" \ "jalr\t%1\n\t" \ "daddu\t$29, 32\n\t" \ "move\t%0, $2" \ : "=r" (__res), "=r" (__vec) \ : "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3) \ : __arc_clobbers, "$7"); \ __res; \ }) #define ARC_CALL4(dest,a1,a2,a3,a4) \ ({ long __res; \ register signed int __a1 __asm__("$4") = (int) (long) (a1); \ register signed int __a2 __asm__("$5") = (int) (long) (a2); \ register signed int __a3 __asm__("$6") = (int) (long) (a3); \ register signed int __a4 __asm__("$7") = (int) (long) (a4); \ long __vec = (long) romvec->dest; \ __asm__ __volatile__( \ "dsubu\t$29, 32\n\t" \ "jalr\t%1\n\t" \ "daddu\t$29, 32\n\t" \ "move\t%0, $2" \ : "=r" (__res), "=r" (__vec) \ : "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3), \ "r" (__a4) \ : __arc_clobbers); \ __res; \ }) #define ARC_CALL5(dest,a1,a2,a3,a4,a5) \ ({ long __res; \ register signed int __a1 __asm__("$4") = (int) (long) (a1); \ register signed int __a2 __asm__("$5") = (int) (long) (a2); \ register signed int __a3 __asm__("$6") = (int) (long) (a3); \ register signed int __a4 __asm__("$7") = (int) (long) (a4); \ register signed int __a5 = (a5); \ long __vec = (long) romvec->dest; \ __asm__ __volatile__( \ "dsubu\t$29, 32\n\t" \ "sw\t%7, 16($29)\n\t" \ "jalr\t%1\n\t" \ "daddu\t$29, 32\n\t" \ "move\t%0, $2" \ : "=r" (__res), "=r" (__vec) \ : "1" (__vec), \ "r" (__a1), "r" (__a2), "r" (__a3), "r" (__a4), \ "r" (__a5) \ : __arc_clobbers); \ __res; \ }) #endif /* defined(CONFIG_64BIT) && defined(CONFIG_ARC32) */ #if (defined(CONFIG_32BIT) && defined(CONFIG_ARC32)) || \ (defined(CONFIG_64BIT) && defined(CONFIG_ARC64)) #define ARC_CALL0(dest) \ ({ long __res; \ long (*__vec)(void) = (void *) romvec->dest; \ \ __res = __vec(); \ __res; \ }) #define ARC_CALL1(dest,a1) \ ({ long __res; \ long __a1 = (long) (a1); \ long (*__vec)(long) = (void *) romvec->dest; \ \ __res = __vec(__a1); \ __res; \ }) #define ARC_CALL2(dest,a1,a2) \ ({ long __res; \ long __a1 = (long) (a1); \ long __a2 = (long) (a2); \ long (*__vec)(long, long) = (void *) romvec->dest; \ \ __res = __vec(__a1, __a2); \ __res; \ }) #define ARC_CALL3(dest,a1,a2,a3) \ ({ long __res; \ long __a1 = (long) (a1); \ long __a2 = (long) (a2); \ long __a3 = (long) (a3); \ long (*__vec)(long, long, long) = (void *) romvec->dest; \ \ __res = __vec(__a1, __a2, __a3); \ __res; \ }) #define ARC_CALL4(dest,a1,a2,a3,a4) \ ({ long __res; \ long __a1 = (long) (a1); \ long __a2 = (long) (a2); \ long __a3 = (long) (a3); \ long __a4 = (long) (a4); \ long (*__vec)(long, long, long, long) = (void *) romvec->dest; \ \ __res = __vec(__a1, __a2, __a3, __a4); \ __res; \ }) #define ARC_CALL5(dest,a1,a2,a3,a4,a5) \ ({ long __res; \ long __a1 = (long) (a1); \ long __a2 = (long) (a2); \ long __a3 = (long) (a3); \ long __a4 = (long) (a4); \ long __a5 = (long) (a5); \ long (*__vec)(long, long, long, long, long); \ __vec = (void *) romvec->dest; \ \ __res = __vec(__a1, __a2, __a3, __a4, __a5); \ __res; \ }) #endif /* both kernel and ARC either 32-bit or 64-bit */ #endif /* _ASM_SGIARCS_H */ |