| 1 | /* |
|---|
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
|---|
| 3 | * License. See the file "COPYING" in the main directory of this archive |
|---|
| 4 | * for more details. |
|---|
| 5 | * |
|---|
| 6 | * ARC firmware interface defines. |
|---|
| 7 | * |
|---|
| 8 | * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) |
|---|
| 9 | * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org) |
|---|
| 10 | * Copyright (C) 1999 Silicon Graphics, Inc. |
|---|
| 11 | */ |
|---|
| 12 | #ifndef _ASM_SGIARCS_H |
|---|
| 13 | #define _ASM_SGIARCS_H |
|---|
| 14 | |
|---|
| 15 | #include <asm/types.h> |
|---|
| 16 | #include <asm/arc/types.h> |
|---|
| 17 | |
|---|
| 18 | /* Various ARCS error codes. */ |
|---|
| 19 | #define PROM_ESUCCESS 0x00 |
|---|
| 20 | #define PROM_E2BIG 0x01 |
|---|
| 21 | #define PROM_EACCESS 0x02 |
|---|
| 22 | #define PROM_EAGAIN 0x03 |
|---|
| 23 | #define PROM_EBADF 0x04 |
|---|
| 24 | #define PROM_EBUSY 0x05 |
|---|
| 25 | #define PROM_EFAULT 0x06 |
|---|
| 26 | #define PROM_EINVAL 0x07 |
|---|
| 27 | #define PROM_EIO 0x08 |
|---|
| 28 | #define PROM_EISDIR 0x09 |
|---|
| 29 | #define PROM_EMFILE 0x0a |
|---|
| 30 | #define PROM_EMLINK 0x0b |
|---|
| 31 | #define PROM_ENAMETOOLONG 0x0c |
|---|
| 32 | #define PROM_ENODEV 0x0d |
|---|
| 33 | #define PROM_ENOENT 0x0e |
|---|
| 34 | #define PROM_ENOEXEC 0x0f |
|---|
| 35 | #define PROM_ENOMEM 0x10 |
|---|
| 36 | #define PROM_ENOSPC 0x11 |
|---|
| 37 | #define PROM_ENOTDIR 0x12 |
|---|
| 38 | #define PROM_ENOTTY 0x13 |
|---|
| 39 | #define PROM_ENXIO 0x14 |
|---|
| 40 | #define PROM_EROFS 0x15 |
|---|
| 41 | /* SGI ARCS specific errno's. */ |
|---|
| 42 | #define PROM_EADDRNOTAVAIL 0x1f |
|---|
| 43 | #define PROM_ETIMEDOUT 0x20 |
|---|
| 44 | #define PROM_ECONNABORTED 0x21 |
|---|
| 45 | #define PROM_ENOCONNECT 0x22 |
|---|
| 46 | |
|---|
| 47 | /* Device classes, types, and identifiers for prom |
|---|
| 48 | * device inventory queries. |
|---|
| 49 | */ |
|---|
| 50 | enum linux_devclass { |
|---|
| 51 | system, processor, cache, adapter, controller, peripheral, memory |
|---|
| 52 | }; |
|---|
| 53 | |
|---|
| 54 | enum linux_devtypes { |
|---|
| 55 | /* Generic stuff. */ |
|---|
| 56 | Arc, Cpu, Fpu, |
|---|
| 57 | |
|---|
| 58 | /* Primary insn and data caches. */ |
|---|
| 59 | picache, pdcache, |
|---|
| 60 | |
|---|
| 61 | /* Secondary insn, data, and combined caches. */ |
|---|
| 62 | sicache, sdcache, sccache, |
|---|
| 63 | |
|---|
| 64 | memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter, |
|---|
| 65 | multifunc_adapter, dsk_controller, tp_controller, cdrom_controller, |
|---|
| 66 | worm_controller, serial_controller, net_controller, disp_controller, |
|---|
| 67 | parallel_controller, ptr_controller, kbd_controller, audio_controller, |
|---|
| 68 | misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral, |
|---|
| 69 | modem_peripheral, monitor_peripheral, printer_peripheral, |
|---|
| 70 | ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral, |
|---|
| 71 | net_peripheral, misc_peripheral, anon |
|---|
| 72 | }; |
|---|
| 73 | |
|---|
| 74 | enum linux_identifier { |
|---|
| 75 | bogus, ronly, removable, consin, consout, input, output |
|---|
| 76 | }; |
|---|
| 77 | |
|---|
| 78 | /* A prom device tree component. */ |
|---|
| 79 | struct linux_component { |
|---|
| 80 | enum linux_devclass class; /* node class */ |
|---|
| 81 | enum linux_devtypes type; /* node type */ |
|---|
| 82 | enum linux_identifier iflags; /* node flags */ |
|---|
| 83 | USHORT vers; /* node version */ |
|---|
| 84 | USHORT rev; /* node revision */ |
|---|
| 85 | ULONG key; /* completely magic */ |
|---|
| 86 | ULONG amask; /* XXX affinity mask??? */ |
|---|
| 87 | ULONG cdsize; /* size of configuration data */ |
|---|
| 88 | ULONG ilen; /* length of string identifier */ |
|---|
| 89 | _PULONG iname; /* string identifier */ |
|---|
| 90 | }; |
|---|
| 91 | typedef struct linux_component pcomponent; |
|---|
| 92 | |
|---|
| 93 | struct linux_sysid { |
|---|
| 94 | char vend[8], prod[8]; |
|---|
| 95 | }; |
|---|
| 96 | |
|---|
| 97 | /* ARCS prom memory descriptors. */ |
|---|
| 98 | enum arcs_memtypes { |
|---|
| 99 | arcs_eblock, /* exception block */ |
|---|
| 100 | arcs_rvpage, /* ARCS romvec page */ |
|---|
| 101 | arcs_fcontig, /* Contiguous and free */ |
|---|
| 102 | arcs_free, /* Generic free memory */ |
|---|
| 103 | arcs_bmem, /* Borken memory, don't use */ |
|---|
| 104 | arcs_prog, /* A loaded program resides here */ |
|---|
| 105 | arcs_atmp, /* ARCS temporary storage area, wish Sparc OpenBoot told this */ |
|---|
| 106 | arcs_aperm, /* ARCS permanent storage... */ |
|---|
| 107 | }; |
|---|
| 108 | |
|---|
| 109 | /* ARC has slightly different types than ARCS */ |
|---|
| 110 | enum arc_memtypes { |
|---|
| 111 | arc_eblock, /* exception block */ |
|---|
| 112 | arc_rvpage, /* romvec page */ |
|---|
| 113 | arc_free, /* Generic free memory */ |
|---|
| 114 | arc_bmem, /* Borken memory, don't use */ |
|---|
| 115 | arc_prog, /* A loaded program resides here */ |
|---|
| 116 | arc_atmp, /* temporary storage area */ |
|---|
| 117 | arc_aperm, /* permanent storage */ |
|---|
| 118 | arc_fcontig, /* Contiguous and free */ |
|---|
| 119 | }; |
|---|
| 120 | |
|---|
| 121 | union linux_memtypes { |
|---|
| 122 | enum arcs_memtypes arcs; |
|---|
| 123 | enum arc_memtypes arc; |
|---|
| 124 | }; |
|---|
| 125 | |
|---|
| 126 | struct linux_mdesc { |
|---|
| 127 | union linux_memtypes type; |
|---|
| 128 | ULONG base; |
|---|
| 129 | ULONG pages; |
|---|
| 130 | }; |
|---|
| 131 | |
|---|
| 132 | /* Time of day descriptor. */ |
|---|
| 133 | struct linux_tinfo { |
|---|
| 134 | unsigned short yr; |
|---|
| 135 | unsigned short mnth; |
|---|
| 136 | unsigned short day; |
|---|
| 137 | unsigned short hr; |
|---|
| 138 | unsigned short min; |
|---|
| 139 | unsigned short sec; |
|---|
| 140 | unsigned short msec; |
|---|
| 141 | }; |
|---|
| 142 | |
|---|
| 143 | /* ARCS virtual dirents. */ |
|---|
| 144 | struct linux_vdirent { |
|---|
| 145 | ULONG namelen; |
|---|
| 146 | unsigned char attr; |
|---|
| 147 | char fname[32]; /* XXX imperical, should be a define */ |
|---|
| 148 | }; |
|---|
| 149 | |
|---|
| 150 | /* Other stuff for files. */ |
|---|
| 151 | enum linux_omode { |
|---|
| 152 | rdonly, wronly, rdwr, wronly_creat, rdwr_creat, |
|---|
| 153 | wronly_ssede, rdwr_ssede, dirent, dirent_creat |
|---|
| 154 | }; |
|---|
| 155 | |
|---|
| 156 | enum linux_seekmode { |
|---|
| 157 | absolute, relative |
|---|
| 158 | }; |
|---|
| 159 | |
|---|
| 160 | enum linux_mountops { |
|---|
| 161 | media_load, media_unload |
|---|
| 162 | }; |
|---|
| 163 | |
|---|
| 164 | /* This prom has a bolixed design. */ |
|---|
| 165 | struct linux_bigint { |
|---|
| 166 | #ifdef __MIPSEL__ |
|---|
| 167 | __u32 lo; |
|---|
| 168 | __s32 hi; |
|---|
| 169 | #else /* !(__MIPSEL__) */ |
|---|
| 170 | __s32 hi; |
|---|
| 171 | __u32 lo; |
|---|
| 172 | #endif |
|---|
| 173 | }; |
|---|
| 174 | |
|---|
| 175 | struct linux_finfo { |
|---|
| 176 | struct linux_bigint begin; |
|---|
| 177 | struct linux_bigint end; |
|---|
| 178 | struct linux_bigint cur; |
|---|
| 179 | enum linux_devtypes dtype; |
|---|
| 180 | unsigned long namelen; |
|---|
| 181 | unsigned char attr; |
|---|
| 182 | char name[32]; /* XXX imperical, should be define */ |
|---|
| 183 | }; |
|---|
| 184 | |
|---|
| 185 | /* This describes the vector containing function pointers to the ARC |
|---|
| 186 | firmware functions. */ |
|---|
| 187 | struct linux_romvec { |
|---|
| 188 | LONG load; /* Load an executable image. */ |
|---|
| 189 | LONG invoke; /* Invoke a standalong image. */ |
|---|
| 190 | LONG exec; /* Load and begin execution of a |
|---|
| 191 | standalone image. */ |
|---|
| 192 | LONG halt; /* Halt the machine. */ |
|---|
| 193 | LONG pdown; /* Power down the machine. */ |
|---|
| 194 | LONG restart; /* XXX soft reset??? */ |
|---|
| 195 | LONG reboot; /* Reboot the machine. */ |
|---|
| 196 | LONG imode; /* Enter PROM interactive mode. */ |
|---|
| 197 | LONG _unused1; /* Was ReturnFromMain(). */ |
|---|
| 198 | |
|---|
| 199 | /* PROM device tree interface. */ |
|---|
| 200 | LONG next_component; |
|---|
| 201 | LONG child_component; |
|---|
| 202 | LONG parent_component; |
|---|
| 203 | LONG component_data; |
|---|
| 204 | LONG child_add; |
|---|
| 205 | LONG comp_del; |
|---|
| 206 | LONG component_by_path; |
|---|
| 207 | |
|---|
| 208 | /* Misc. stuff. */ |
|---|
| 209 | LONG cfg_save; |
|---|
| 210 | LONG get_sysid; |
|---|
| 211 | |
|---|
| 212 | /* Probing for memory. */ |
|---|
| 213 | LONG get_mdesc; |
|---|
| 214 | LONG _unused2; /* was Signal() */ |
|---|
| 215 | |
|---|
| 216 | LONG get_tinfo; |
|---|
| 217 | LONG get_rtime; |
|---|
| 218 | |
|---|
| 219 | /* File type operations. */ |
|---|
| 220 | LONG get_vdirent; |
|---|
| 221 | LONG open; |
|---|
| 222 | LONG close; |
|---|
| 223 | LONG read; |
|---|
| 224 | LONG get_rstatus; |
|---|
| 225 | LONG write; |
|---|
| 226 | LONG seek; |
|---|
| 227 | LONG mount; |
|---|
| 228 | |
|---|
| 229 | /* Dealing with firmware environment variables. */ |
|---|
| 230 | LONG get_evar; |
|---|
| 231 | LONG set_evar; |
|---|
| 232 | |
|---|
| 233 | LONG get_finfo; |
|---|
| 234 | LONG set_finfo; |
|---|
| 235 | |
|---|
| 236 | /* Miscellaneous. */ |
|---|
| 237 | LONG cache_flush; |
|---|
| 238 | LONG TestUnicodeCharacter; /* ARC; not sure if ARCS too */ |
|---|
| 239 | LONG GetDisplayStatus; |
|---|
| 240 | }; |
|---|
| 241 | |
|---|
| 242 | /* The SGI ARCS parameter block is in a fixed location for standalone |
|---|
| 243 | * programs to access PROM facilities easily. |
|---|
| 244 | */ |
|---|
| 245 | typedef struct _SYSTEM_PARAMETER_BLOCK { |
|---|
| 246 | ULONG magic; /* magic cookie */ |
|---|
| 247 | #define PROMBLOCK_MAGIC 0x53435241 |
|---|
| 248 | |
|---|
| 249 | ULONG len; /* length of parm block */ |
|---|
| 250 | USHORT ver; /* ARCS firmware version */ |
|---|
| 251 | USHORT rev; /* ARCS firmware revision */ |
|---|
| 252 | _PLONG rs_block; /* Restart block. */ |
|---|
| 253 | _PLONG dbg_block; /* Debug block. */ |
|---|
| 254 | _PLONG gevect; /* XXX General vector??? */ |
|---|
| 255 | _PLONG utlbvect; /* XXX UTLB vector??? */ |
|---|
| 256 | ULONG rveclen; /* Size of romvec struct. */ |
|---|
| 257 | _PVOID romvec; /* Function interface. */ |
|---|
| 258 | ULONG pveclen; /* Length of private vector. */ |
|---|
| 259 | _PVOID pvector; /* Private vector. */ |
|---|
| 260 | ULONG adap_cnt; /* Adapter count. */ |
|---|
| 261 | ULONG adap_typ0; /* First adapter type. */ |
|---|
| 262 | ULONG adap_vcnt0; /* Adapter 0 vector count. */ |
|---|
| 263 | _PVOID adap_vector; /* Adapter 0 vector ptr. */ |
|---|
| 264 | ULONG adap_typ1; /* Second adapter type. */ |
|---|
| 265 | ULONG adap_vcnt1; /* Adapter 1 vector count. */ |
|---|
| 266 | _PVOID adap_vector1; /* Adapter 1 vector ptr. */ |
|---|
| 267 | /* More adapter vectors go here... */ |
|---|
| 268 | } SYSTEM_PARAMETER_BLOCK, *PSYSTEM_PARAMETER_BLOCK; |
|---|
| 269 | |
|---|
| 270 | #define PROMBLOCK ((PSYSTEM_PARAMETER_BLOCK) (int)0xA0001000) |
|---|
| 271 | #define ROMVECTOR ((struct linux_romvec *) (long)(PROMBLOCK)->romvec) |
|---|
| 272 | |
|---|
| 273 | /* Cache layout parameter block. */ |
|---|
| 274 | union linux_cache_key { |
|---|
| 275 | struct param { |
|---|
| 276 | #ifdef __MIPSEL__ |
|---|
| 277 | unsigned short size; |
|---|
| 278 | unsigned char lsize; |
|---|
| 279 | unsigned char bsize; |
|---|
| 280 | #else /* !(__MIPSEL__) */ |
|---|
| 281 | unsigned char bsize; |
|---|
| 282 | unsigned char lsize; |
|---|
| 283 | unsigned short size; |
|---|
| 284 | #endif |
|---|
| 285 | } info; |
|---|
| 286 | unsigned long allinfo; |
|---|
| 287 | }; |
|---|
| 288 | |
|---|
| 289 | /* Configuration data. */ |
|---|
| 290 | struct linux_cdata { |
|---|
| 291 | char *name; |
|---|
| 292 | int mlen; |
|---|
| 293 | enum linux_devtypes type; |
|---|
| 294 | }; |
|---|
| 295 | |
|---|
| 296 | /* Common SGI ARCS firmware file descriptors. */ |
|---|
| 297 | #define SGIPROM_STDIN 0 |
|---|
| 298 | #define SGIPROM_STDOUT 1 |
|---|
| 299 | |
|---|
| 300 | /* Common SGI ARCS firmware file types. */ |
|---|
| 301 | #define SGIPROM_ROFILE 0x01 /* read-only file */ |
|---|
| 302 | #define SGIPROM_HFILE 0x02 /* hidden file */ |
|---|
| 303 | #define SGIPROM_SFILE 0x04 /* System file */ |
|---|
| 304 | #define SGIPROM_AFILE 0x08 /* Archive file */ |
|---|
| 305 | #define SGIPROM_DFILE 0x10 /* Directory file */ |
|---|
| 306 | #define SGIPROM_DELFILE 0x20 /* Deleted file */ |
|---|
| 307 | |
|---|
| 308 | /* SGI ARCS boot record information. */ |
|---|
| 309 | struct sgi_partition { |
|---|
| 310 | unsigned char flag; |
|---|
| 311 | #define SGIPART_UNUSED 0x00 |
|---|
| 312 | #define SGIPART_ACTIVE 0x80 |
|---|
| 313 | |
|---|
| 314 | unsigned char shead, ssect, scyl; /* unused */ |
|---|
| 315 | unsigned char systype; /* OS type, Irix or NT */ |
|---|
| 316 | unsigned char ehead, esect, ecyl; /* unused */ |
|---|
| 317 | unsigned char rsect0, rsect1, rsect2, rsect3; |
|---|
| 318 | unsigned char tsect0, tsect1, tsect2, tsect3; |
|---|
| 319 | }; |
|---|
| 320 | |
|---|
| 321 | #define SGIBBLOCK_MAGIC 0xaa55 |
|---|
| 322 | #define SGIBBLOCK_MAXPART 0x0004 |
|---|
| 323 | |
|---|
| 324 | struct sgi_bootblock { |
|---|
| 325 | unsigned char _unused[446]; |
|---|
| 326 | struct sgi_partition partitions[SGIBBLOCK_MAXPART]; |
|---|
| 327 | unsigned short magic; |
|---|
| 328 | }; |
|---|
| 329 | |
|---|
| 330 | /* BIOS parameter block. */ |
|---|
| 331 | struct sgi_bparm_block { |
|---|
| 332 | unsigned short bytes_sect; /* bytes per sector */ |
|---|
| 333 | unsigned char sect_clust; /* sectors per cluster */ |
|---|
| 334 | unsigned short sect_resv; /* reserved sectors */ |
|---|
| 335 | unsigned char nfats; /* # of allocation tables */ |
|---|
| 336 | unsigned short nroot_dirents; /* # of root directory entries */ |
|---|
| 337 | unsigned short sect_volume; /* sectors in volume */ |
|---|
| 338 | unsigned char media_type; /* media descriptor */ |
|---|
| 339 | unsigned short sect_fat; /* sectors per allocation table */ |
|---|
| 340 | unsigned short sect_track; /* sectors per track */ |
|---|
| 341 | unsigned short nheads; /* # of heads */ |
|---|
| 342 | unsigned short nhsects; /* # of hidden sectors */ |
|---|
| 343 | }; |
|---|
| 344 | |
|---|
| 345 | struct sgi_bsector { |
|---|
| 346 | unsigned char jmpinfo[3]; |
|---|
| 347 | unsigned char manuf_name[8]; |
|---|
| 348 | struct sgi_bparm_block info; |
|---|
| 349 | }; |
|---|
| 350 | |
|---|
| 351 | /* Debugging block used with SGI symmon symbolic debugger. */ |
|---|
| 352 | #define SMB_DEBUG_MAGIC 0xfeeddead |
|---|
| 353 | struct linux_smonblock { |
|---|
| 354 | unsigned long magic; |
|---|
| 355 | void (*handler)(void); /* Breakpoint routine. */ |
|---|
| 356 | unsigned long dtable_base; /* Base addr of dbg table. */ |
|---|
| 357 | int (*printf)(const char *fmt, ...); |
|---|
| 358 | unsigned long btable_base; /* Breakpoint table. */ |
|---|
| 359 | unsigned long mpflushreqs; /* SMP cache flush request list. */ |
|---|
| 360 | unsigned long ntab; /* Name table. */ |
|---|
| 361 | unsigned long stab; /* Symbol table. */ |
|---|
| 362 | int smax; /* Max # of symbols. */ |
|---|
| 363 | }; |
|---|
| 364 | |
|---|
| 365 | /* |
|---|
| 366 | * Macros for calling a 32-bit ARC implementation from 64-bit code |
|---|
| 367 | */ |
|---|
| 368 | |
|---|
| 369 | #if defined(__mips64) && defined(CONFIG_ARC32) |
|---|
| 370 | |
|---|
| 371 | #define __arc_clobbers \ |
|---|
| 372 | "$2","$3" /* ... */, "$8","$9","$10","$11", \ |
|---|
| 373 | "$12","$13","$14","$15","$16","$24","$25","$31" |
|---|
| 374 | |
|---|
| 375 | #define ARC_CALL0(dest) \ |
|---|
| 376 | ({ long __res; \ |
|---|
| 377 | long __vec = (long) romvec->dest; \ |
|---|
| 378 | __asm__ __volatile__( \ |
|---|
| 379 | "dsubu\t$29, 32\n\t" \ |
|---|
| 380 | "jalr\t%1\n\t" \ |
|---|
| 381 | "daddu\t$29, 32\n\t" \ |
|---|
| 382 | "move\t%0, $2" \ |
|---|
| 383 | : "=r" (__res), "=r" (__vec) \ |
|---|
| 384 | : "1" (__vec) \ |
|---|
| 385 | : __arc_clobbers, "$4","$5","$6","$7"); \ |
|---|
| 386 | (unsigned long) __res; \ |
|---|
| 387 | }) |
|---|
| 388 | |
|---|
| 389 | #define ARC_CALL1(dest,a1) \ |
|---|
| 390 | ({ long __res; \ |
|---|
| 391 | register signed int __a1 __asm__("$4") = (int) (long) (a1); \ |
|---|
| 392 | long __vec = (long) romvec->dest; \ |
|---|
| 393 | __asm__ __volatile__( \ |
|---|
| 394 | "dsubu\t$29, 32\n\t" \ |
|---|
| 395 | "jalr\t%1\n\t" \ |
|---|
| 396 | "daddu\t$29, 32\n\t" \ |
|---|
| 397 | "move\t%0, $2" \ |
|---|
| 398 | : "=r" (__res), "=r" (__vec) \ |
|---|
| 399 | : "1" (__vec), "r" (__a1) \ |
|---|
| 400 | : __arc_clobbers, "$5","$6","$7"); \ |
|---|
| 401 | (unsigned long) __res; \ |
|---|
| 402 | }) |
|---|
| 403 | |
|---|
| 404 | #define ARC_CALL2(dest,a1,a2) \ |
|---|
| 405 | ({ long __res; \ |
|---|
| 406 | register signed int __a1 __asm__("$4") = (int) (long) (a1); \ |
|---|
| 407 | register signed int __a2 __asm__("$5") = (int) (long) (a2); \ |
|---|
| 408 | long __vec = (long) romvec->dest; \ |
|---|
| 409 | __asm__ __volatile__( \ |
|---|
| 410 | "dsubu\t$29, 32\n\t" \ |
|---|
| 411 | "jalr\t%1\n\t" \ |
|---|
| 412 | "daddu\t$29, 32\n\t" \ |
|---|
| 413 | "move\t%0, $2" \ |
|---|
| 414 | : "=r" (__res), "=r" (__vec) \ |
|---|
| 415 | : "1" (__vec), "r" (__a1), "r" (__a2) \ |
|---|
| 416 | : __arc_clobbers, "$6","$7"); \ |
|---|
| 417 | __res; \ |
|---|
| 418 | }) |
|---|
| 419 | |
|---|
| 420 | #define ARC_CALL3(dest,a1,a2,a3) \ |
|---|
| 421 | ({ long __res; \ |
|---|
| 422 | register signed int __a1 __asm__("$4") = (int) (long) (a1); \ |
|---|
| 423 | register signed int __a2 __asm__("$5") = (int) (long) (a2); \ |
|---|
| 424 | register signed int __a3 __asm__("$6") = (int) (long) (a3); \ |
|---|
| 425 | long __vec = (long) romvec->dest; \ |
|---|
| 426 | __asm__ __volatile__( \ |
|---|
| 427 | "dsubu\t$29, 32\n\t" \ |
|---|
| 428 | "jalr\t%1\n\t" \ |
|---|
| 429 | "daddu\t$29, 32\n\t" \ |
|---|
| 430 | "move\t%0, $2" \ |
|---|
| 431 | : "=r" (__res), "=r" (__vec) \ |
|---|
| 432 | : "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3) \ |
|---|
| 433 | : __arc_clobbers, "$7"); \ |
|---|
| 434 | __res; \ |
|---|
| 435 | }) |
|---|
| 436 | |
|---|
| 437 | #define ARC_CALL4(dest,a1,a2,a3,a4) \ |
|---|
| 438 | ({ long __res; \ |
|---|
| 439 | register signed int __a1 __asm__("$4") = (int) (long) (a1); \ |
|---|
| 440 | register signed int __a2 __asm__("$5") = (int) (long) (a2); \ |
|---|
| 441 | register signed int __a3 __asm__("$6") = (int) (long) (a3); \ |
|---|
| 442 | register signed int __a4 __asm__("$7") = (int) (long) (a4); \ |
|---|
| 443 | long __vec = (long) romvec->dest; \ |
|---|
| 444 | __asm__ __volatile__( \ |
|---|
| 445 | "dsubu\t$29, 32\n\t" \ |
|---|
| 446 | "jalr\t%1\n\t" \ |
|---|
| 447 | "daddu\t$29, 32\n\t" \ |
|---|
| 448 | "move\t%0, $2" \ |
|---|
| 449 | : "=r" (__res), "=r" (__vec) \ |
|---|
| 450 | : "1" (__vec), "r" (__a1), "r" (__a2), "r" (__a3), \ |
|---|
| 451 | "r" (__a4) \ |
|---|
| 452 | : __arc_clobbers); \ |
|---|
| 453 | __res; \ |
|---|
| 454 | }) |
|---|
| 455 | |
|---|
| 456 | #define ARC_CALL5(dest,a1,a2,a3,a4,a5) \ |
|---|
| 457 | ({ long __res; \ |
|---|
| 458 | register signed int __a1 __asm__("$4") = (int) (long) (a1); \ |
|---|
| 459 | register signed int __a2 __asm__("$5") = (int) (long) (a2); \ |
|---|
| 460 | register signed int __a3 __asm__("$6") = (int) (long) (a3); \ |
|---|
| 461 | register signed int __a4 __asm__("$7") = (int) (long) (a4); \ |
|---|
| 462 | register signed int __a5 = (a5); \ |
|---|
| 463 | long __vec = (long) romvec->dest; \ |
|---|
| 464 | __asm__ __volatile__( \ |
|---|
| 465 | "dsubu\t$29, 32\n\t" \ |
|---|
| 466 | "sw\t%7, 16($29)\n\t" \ |
|---|
| 467 | "jalr\t%1\n\t" \ |
|---|
| 468 | "daddu\t$29, 32\n\t" \ |
|---|
| 469 | "move\t%0, $2" \ |
|---|
| 470 | : "=r" (__res), "=r" (__vec) \ |
|---|
| 471 | : "1" (__vec), \ |
|---|
| 472 | "r" (__a1), "r" (__a2), "r" (__a3), "r" (__a4), \ |
|---|
| 473 | "r" (__a5) \ |
|---|
| 474 | : __arc_clobbers); \ |
|---|
| 475 | __res; \ |
|---|
| 476 | }) |
|---|
| 477 | |
|---|
| 478 | #endif /* defined(__mips64) && defined(CONFIG_ARC32) */ |
|---|
| 479 | |
|---|
| 480 | #if (!defined(__mips64) && defined(CONFIG_ARC32)) || \ |
|---|
| 481 | (defined(__mips64) && defined(CONFIG_ARC64)) |
|---|
| 482 | |
|---|
| 483 | #define ARC_CALL0(dest) \ |
|---|
| 484 | ({ long __res; \ |
|---|
| 485 | long (*__vec)(void) = (void *) romvec->dest; \ |
|---|
| 486 | \ |
|---|
| 487 | __res = __vec(); \ |
|---|
| 488 | __res; \ |
|---|
| 489 | }) |
|---|
| 490 | |
|---|
| 491 | #define ARC_CALL1(dest,a1) \ |
|---|
| 492 | ({ long __res; \ |
|---|
| 493 | long __a1 = (long) (a1); \ |
|---|
| 494 | long (*__vec)(long) = (void *) romvec->dest; \ |
|---|
| 495 | \ |
|---|
| 496 | __res = __vec(__a1); \ |
|---|
| 497 | __res; \ |
|---|
| 498 | }) |
|---|
| 499 | |
|---|
| 500 | #define ARC_CALL2(dest,a1,a2) \ |
|---|
| 501 | ({ long __res; \ |
|---|
| 502 | long __a1 = (long) (a1); \ |
|---|
| 503 | long __a2 = (long) (a2); \ |
|---|
| 504 | long (*__vec)(long, long) = (void *) romvec->dest; \ |
|---|
| 505 | \ |
|---|
| 506 | __res = __vec(__a1, __a2); \ |
|---|
| 507 | __res; \ |
|---|
| 508 | }) |
|---|
| 509 | |
|---|
| 510 | #define ARC_CALL3(dest,a1,a2,a3) \ |
|---|
| 511 | ({ long __res; \ |
|---|
| 512 | long __a1 = (long) (a1); \ |
|---|
| 513 | long __a2 = (long) (a2); \ |
|---|
| 514 | long __a3 = (long) (a3); \ |
|---|
| 515 | long (*__vec)(long, long, long) = (void *) romvec->dest; \ |
|---|
| 516 | \ |
|---|
| 517 | __res = __vec(__a1, __a2, __a3); \ |
|---|
| 518 | __res; \ |
|---|
| 519 | }) |
|---|
| 520 | |
|---|
| 521 | #define ARC_CALL4(dest,a1,a2,a3,a4) \ |
|---|
| 522 | ({ long __res; \ |
|---|
| 523 | long __a1 = (long) (a1); \ |
|---|
| 524 | long __a2 = (long) (a2); \ |
|---|
| 525 | long __a3 = (long) (a3); \ |
|---|
| 526 | long __a4 = (long) (a4); \ |
|---|
| 527 | long (*__vec)(long, long, long, long) = (void *) romvec->dest; \ |
|---|
| 528 | \ |
|---|
| 529 | __res = __vec(__a1, __a2, __a3, __a4); \ |
|---|
| 530 | __res; \ |
|---|
| 531 | }) |
|---|
| 532 | |
|---|
| 533 | #define ARC_CALL5(dest,a1,a2,a3,a4,a5) \ |
|---|
| 534 | ({ long __res; \ |
|---|
| 535 | long __a1 = (long) (a1); \ |
|---|
| 536 | long __a2 = (long) (a2); \ |
|---|
| 537 | long __a3 = (long) (a3); \ |
|---|
| 538 | long __a4 = (long) (a4); \ |
|---|
| 539 | long __a5 = (long) (a5); \ |
|---|
| 540 | long (*__vec)(long, long, long, long, long); \ |
|---|
| 541 | __vec = (void *) romvec->dest; \ |
|---|
| 542 | \ |
|---|
| 543 | __res = __vec(__a1, __a2, __a3, __a4, __a5); \ |
|---|
| 544 | __res; \ |
|---|
| 545 | }) |
|---|
| 546 | #endif /* both kernel and ARC either 32-bit or 64-bit */ |
|---|
| 547 | |
|---|
| 548 | #endif /* _ASM_SGIARCS_H */ |
|---|
