Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/sparc64/include/bus.h
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1 /*- 2 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 7 * NASA Ames Research Center. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 /* 38 * Copyright (c) 1997-1999 Eduardo E. Horvath. All rights reserved. 39 * Copyright (c) 1996 Charles M. Hannum. All rights reserved. 40 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by Christopher G. Demetriou 53 * for the NetBSD Project. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 * 68 * from: NetBSD: bus.h,v 1.28 2001/07/19 15:32:19 thorpej Exp 69 * and 70 * from: FreeBSD: src/sys/alpha/include/bus.h,v 1.9 2001/01/09 71 * 72 * $FreeBSD: releng/8.2/sys/sparc64/include/bus.h 178860 2008-05-08 21:10:39Z marius $ 73 */ 74 75 #ifndef _MACHINE_BUS_H_ 76 #define _MACHINE_BUS_H_ 77 78 #ifdef BUS_SPACE_DEBUG 79 #include <sys/ktr.h> 80 #endif 81 82 #include <machine/_bus.h> 83 #include <machine/cpufunc.h> 84 85 /* 86 * Nexus and SBus spaces are non-cached and big endian 87 * (except for RAM and PROM) 88 * 89 * PCI spaces are non-cached and little endian 90 */ 91 #define NEXUS_BUS_SPACE 0 92 #define SBUS_BUS_SPACE 1 93 #define PCI_CONFIG_BUS_SPACE 2 94 #define PCI_IO_BUS_SPACE 3 95 #define PCI_MEMORY_BUS_SPACE 4 96 #define LAST_BUS_SPACE 5 97 98 extern const int bus_type_asi[]; 99 extern const int bus_stream_asi[]; 100 101 #define __BUS_SPACE_HAS_STREAM_METHODS 1 102 103 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF 104 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 105 #define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFF 106 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF 107 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 108 #define BUS_SPACE_MAXADDR 0xFFFFFFFF 109 110 #define BUS_SPACE_UNRESTRICTED (~0) 111 112 struct bus_space_tag { 113 void *bst_cookie; 114 bus_space_tag_t bst_parent; 115 int bst_type; 116 117 void (*bst_bus_barrier)(bus_space_tag_t, bus_space_handle_t, 118 bus_size_t, bus_size_t, int); 119 }; 120 121 /* 122 * Bus space function prototypes. 123 */ 124 static void bus_space_barrier(bus_space_tag_t, bus_space_handle_t, bus_size_t, 125 bus_size_t, int); 126 static int bus_space_subregion(bus_space_tag_t, bus_space_handle_t, 127 bus_size_t, bus_size_t, bus_space_handle_t *); 128 129 /* 130 * Map a region of device bus space into CPU virtual address space. 131 */ 132 133 static __inline int bus_space_map(bus_space_tag_t t, bus_addr_t addr, 134 bus_size_t size, int flags, bus_space_handle_t *bshp); 135 136 static __inline int 137 bus_space_map(bus_space_tag_t t __unused, bus_addr_t addr, 138 bus_size_t size __unused, int flags __unused, bus_space_handle_t *bshp) 139 { 140 141 *bshp = addr; 142 return (0); 143 } 144 145 /* 146 * Unmap a region of device bus space. 147 */ 148 static __inline void bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, 149 bus_size_t size); 150 151 static __inline void 152 bus_space_unmap(bus_space_tag_t t __unused, bus_space_handle_t bsh __unused, 153 bus_size_t size __unused) 154 { 155 156 } 157 158 /* This macro finds the first "upstream" implementation of method `f' */ 159 #define _BS_CALL(t,f) \ 160 while (t->f == NULL) \ 161 t = t->bst_parent; \ 162 return (*(t)->f) 163 164 static __inline void 165 bus_space_barrier(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 166 bus_size_t s, int f) 167 { 168 169 _BS_CALL(t, bst_bus_barrier)(t, h, o, s, f); 170 } 171 172 static __inline int 173 bus_space_subregion(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 174 bus_size_t s, bus_space_handle_t *hp) 175 { 176 177 *hp = h + o; 178 return (0); 179 } 180 181 /* flags for bus space map functions */ 182 #define BUS_SPACE_MAP_CACHEABLE 0x0001 183 #define BUS_SPACE_MAP_LINEAR 0x0002 184 #define BUS_SPACE_MAP_READONLY 0x0004 185 #define BUS_SPACE_MAP_PREFETCHABLE 0x0008 186 /* placeholders for bus functions... */ 187 #define BUS_SPACE_MAP_BUS1 0x0100 188 #define BUS_SPACE_MAP_BUS2 0x0200 189 #define BUS_SPACE_MAP_BUS3 0x0400 190 #define BUS_SPACE_MAP_BUS4 0x0800 191 192 /* flags for bus_space_barrier() */ 193 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ 194 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ 195 196 #ifdef BUS_SPACE_DEBUG 197 #define KTR_BUS KTR_CT2 198 #define __BUS_DEBUG_ACCESS(h, o, desc, sz) do { \ 199 CTR4(KTR_BUS, "bus space: %s %d: handle %#lx, offset %#lx", \ 200 (desc), (sz), (h), (o)); \ 201 } while (0) 202 #else 203 #define __BUS_DEBUG_ACCESS(h, o, desc, sz) 204 #endif 205 206 static __inline uint8_t 207 bus_space_read_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 208 { 209 210 __BUS_DEBUG_ACCESS(h, o, "read", 1); 211 return (lduba_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 212 } 213 214 static __inline uint16_t 215 bus_space_read_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 216 { 217 218 __BUS_DEBUG_ACCESS(h, o, "read", 2); 219 return (lduha_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 220 } 221 222 static __inline uint32_t 223 bus_space_read_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 224 { 225 226 __BUS_DEBUG_ACCESS(h, o, "read", 4); 227 return (lduwa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 228 } 229 230 static __inline uint64_t 231 bus_space_read_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 232 { 233 234 __BUS_DEBUG_ACCESS(h, o, "read", 8); 235 return (ldxa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type])); 236 } 237 238 static __inline void 239 bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 240 uint8_t *a, size_t c) 241 { 242 243 while (c-- > 0) 244 *a++ = bus_space_read_1(t, h, o); 245 } 246 247 static __inline void 248 bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 249 uint16_t *a, size_t c) 250 { 251 252 while (c-- > 0) 253 *a++ = bus_space_read_2(t, h, o); 254 } 255 256 static __inline void 257 bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 258 uint32_t *a, size_t c) 259 { 260 261 while (c-- > 0) 262 *a++ = bus_space_read_4(t, h, o); 263 } 264 265 static __inline void 266 bus_space_read_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 267 uint64_t *a, size_t c) 268 { 269 270 while (c-- > 0) 271 *a++ = bus_space_read_8(t, h, o); 272 } 273 274 static __inline void 275 bus_space_write_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 276 uint8_t v) 277 { 278 279 __BUS_DEBUG_ACCESS(h, o, "write", 1); 280 stba_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 281 } 282 283 static __inline void 284 bus_space_write_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 285 uint16_t v) 286 { 287 288 __BUS_DEBUG_ACCESS(h, o, "write", 2); 289 stha_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 290 } 291 292 static __inline void 293 bus_space_write_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 294 uint32_t v) 295 { 296 297 __BUS_DEBUG_ACCESS(h, o, "write", 4); 298 stwa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 299 } 300 301 static __inline void 302 bus_space_write_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 303 uint64_t v) 304 { 305 306 __BUS_DEBUG_ACCESS(h, o, "write", 8); 307 stxa_nc((caddr_t)(h + o), bus_type_asi[t->bst_type], v); 308 } 309 310 static __inline void 311 bus_space_write_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 312 const uint8_t *a, size_t c) 313 { 314 315 while (c-- > 0) 316 bus_space_write_1(t, h, o, *a++); 317 } 318 319 static __inline void 320 bus_space_write_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 321 const uint16_t *a, size_t c) 322 { 323 324 while (c-- > 0) 325 bus_space_write_2(t, h, o, *a++); 326 } 327 328 static __inline void 329 bus_space_write_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 330 const uint32_t *a, size_t c) 331 { 332 333 while (c-- > 0) 334 bus_space_write_4(t, h, o, *a++); 335 } 336 337 static __inline void 338 bus_space_write_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 339 const uint64_t *a, size_t c) 340 { 341 342 while (c-- > 0) 343 bus_space_write_8(t, h, o, *a++); 344 } 345 346 static __inline void 347 bus_space_set_multi_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 348 uint8_t v, size_t c) 349 { 350 351 while (c-- > 0) 352 bus_space_write_1(t, h, o, v); 353 } 354 355 static __inline void 356 bus_space_set_multi_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 357 uint16_t v, size_t c) 358 { 359 360 while (c-- > 0) 361 bus_space_write_2(t, h, o, v); 362 } 363 364 static __inline void 365 bus_space_set_multi_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 366 uint32_t v, size_t c) 367 { 368 369 while (c-- > 0) 370 bus_space_write_4(t, h, o, v); 371 } 372 373 static __inline void 374 bus_space_set_multi_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 375 uint64_t v, size_t c) 376 { 377 378 while (c-- > 0) 379 bus_space_write_8(t, h, o, v); 380 } 381 382 static __inline void 383 bus_space_read_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 384 uint8_t *a, bus_size_t c) 385 { 386 387 for (; c; a++, c--, o++) 388 *a = bus_space_read_1(t, h, o); 389 } 390 391 static __inline void 392 bus_space_read_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 393 uint16_t *a, bus_size_t c) 394 { 395 396 for (; c; a++, c--, o += 2) 397 *a = bus_space_read_2(t, h, o); 398 } 399 400 static __inline void 401 bus_space_read_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 402 uint32_t *a, bus_size_t c) 403 { 404 405 for (; c; a++, c--, o += 4) 406 *a = bus_space_read_4(t, h, o); 407 } 408 409 static __inline void 410 bus_space_read_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 411 uint64_t *a, bus_size_t c) 412 { 413 414 for (; c; a++, c--, o += 8) 415 *a = bus_space_read_8(t, h, o); 416 } 417 418 static __inline void 419 bus_space_write_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 420 const uint8_t *a, bus_size_t c) 421 { 422 423 for (; c; a++, c--, o++) 424 bus_space_write_1(t, h, o, *a); 425 } 426 427 static __inline void 428 bus_space_write_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 429 const uint16_t *a, bus_size_t c) 430 { 431 432 for (; c; a++, c--, o += 2) 433 bus_space_write_2(t, h, o, *a); 434 } 435 436 static __inline void 437 bus_space_write_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 438 const uint32_t *a, bus_size_t c) 439 { 440 441 for (; c; a++, c--, o += 4) 442 bus_space_write_4(t, h, o, *a); 443 } 444 445 static __inline void 446 bus_space_write_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 447 const uint64_t *a, bus_size_t c) 448 { 449 450 for (; c; a++, c--, o += 8) 451 bus_space_write_8(t, h, o, *a); 452 } 453 454 static __inline void 455 bus_space_set_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 456 const uint8_t v, bus_size_t c) 457 { 458 459 for (; c; c--, o++) 460 bus_space_write_1(t, h, o, v); 461 } 462 463 static __inline void 464 bus_space_set_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 465 const uint16_t v, bus_size_t c) 466 { 467 468 for (; c; c--, o += 2) 469 bus_space_write_2(t, h, o, v); 470 } 471 472 static __inline void 473 bus_space_set_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 474 const uint32_t v, bus_size_t c) 475 { 476 477 for (; c; c--, o += 4) 478 bus_space_write_4(t, h, o, v); 479 } 480 481 static __inline void 482 bus_space_set_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 483 const uint64_t v, bus_size_t c) 484 { 485 486 for (; c; c--, o += 8) 487 bus_space_write_8(t, h, o, v); 488 } 489 490 static __inline void 491 bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1, 492 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 493 { 494 495 for (; c; c--, o1++, o2++) 496 bus_space_write_1(t, h1, o1, bus_space_read_1(t, h2, o2)); 497 } 498 499 static __inline void 500 bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1, 501 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 502 { 503 504 for (; c; c--, o1 += 2, o2 += 2) 505 bus_space_write_2(t, h1, o1, bus_space_read_2(t, h2, o2)); 506 } 507 508 static __inline void 509 bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1, 510 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 511 { 512 513 for (; c; c--, o1 += 4, o2 += 4) 514 bus_space_write_4(t, h1, o1, bus_space_read_4(t, h2, o2)); 515 } 516 517 static __inline void 518 bus_space_copy_region_8(bus_space_tag_t t, bus_space_handle_t h1, 519 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 520 { 521 522 for (; c; c--, o1 += 8, o2 += 8) 523 bus_space_write_8(t, h1, o1, bus_space_read_8(t, h2, o2)); 524 } 525 526 static __inline uint8_t 527 bus_space_read_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 528 { 529 530 __BUS_DEBUG_ACCESS(h, o, "read stream", 1); 531 return (lduba_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 532 } 533 534 static __inline uint16_t 535 bus_space_read_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 536 { 537 538 __BUS_DEBUG_ACCESS(h, o, "read stream", 2); 539 return (lduha_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 540 } 541 542 static __inline uint32_t 543 bus_space_read_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 544 { 545 546 __BUS_DEBUG_ACCESS(h, o, "read stream", 4); 547 return (lduwa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 548 } 549 550 static __inline uint64_t 551 bus_space_read_stream_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o) 552 { 553 554 __BUS_DEBUG_ACCESS(h, o, "read stream", 8); 555 return (ldxa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type])); 556 } 557 558 static __inline void 559 bus_space_read_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h, 560 bus_size_t o, uint8_t *a, size_t c) 561 { 562 563 while (c-- > 0) 564 *a++ = bus_space_read_stream_1(t, h, o); 565 } 566 567 static __inline void 568 bus_space_read_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h, 569 bus_size_t o, uint16_t *a, size_t c) 570 { 571 572 while (c-- > 0) 573 *a++ = bus_space_read_stream_2(t, h, o); 574 } 575 576 static __inline void 577 bus_space_read_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h, 578 bus_size_t o, uint32_t *a, size_t c) 579 { 580 581 while (c-- > 0) 582 *a++ = bus_space_read_stream_4(t, h, o); 583 } 584 585 static __inline void 586 bus_space_read_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h, 587 bus_size_t o, uint64_t *a, size_t c) 588 { 589 590 while (c-- > 0) 591 *a++ = bus_space_read_stream_8(t, h, o); 592 } 593 594 static __inline void 595 bus_space_write_stream_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 596 uint8_t v) 597 { 598 599 __BUS_DEBUG_ACCESS(h, o, "write stream", 1); 600 stba_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 601 } 602 603 static __inline void 604 bus_space_write_stream_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 605 uint16_t v) 606 { 607 608 __BUS_DEBUG_ACCESS(h, o, "write stream", 2); 609 stha_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 610 } 611 612 static __inline void 613 bus_space_write_stream_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 614 uint32_t v) 615 { 616 617 __BUS_DEBUG_ACCESS(h, o, "write stream", 4); 618 stwa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 619 } 620 621 static __inline void 622 bus_space_write_stream_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 623 uint64_t v) 624 { 625 626 __BUS_DEBUG_ACCESS(h, o, "write stream", 8); 627 stxa_nc((caddr_t)(h + o), bus_stream_asi[t->bst_type], v); 628 } 629 630 static __inline void 631 bus_space_write_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h, 632 bus_size_t o, const uint8_t *a, size_t c) 633 { 634 635 while (c-- > 0) 636 bus_space_write_stream_1(t, h, o, *a++); 637 } 638 639 static __inline void 640 bus_space_write_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h, 641 bus_size_t o, const uint16_t *a, size_t c) 642 { 643 644 while (c-- > 0) 645 bus_space_write_stream_2(t, h, o, *a++); 646 } 647 648 static __inline void 649 bus_space_write_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h, 650 bus_size_t o, const uint32_t *a, size_t c) 651 { 652 653 while (c-- > 0) 654 bus_space_write_stream_4(t, h, o, *a++); 655 } 656 657 static __inline void 658 bus_space_write_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h, 659 bus_size_t o, const uint64_t *a, size_t c) 660 { 661 662 while (c-- > 0) 663 bus_space_write_stream_8(t, h, o, *a++); 664 } 665 666 static __inline void 667 bus_space_set_multi_stream_1(bus_space_tag_t t, bus_space_handle_t h, 668 bus_size_t o, uint8_t v, size_t c) 669 { 670 671 while (c-- > 0) 672 bus_space_write_stream_1(t, h, o, v); 673 } 674 675 static __inline void 676 bus_space_set_multi_stream_2(bus_space_tag_t t, bus_space_handle_t h, 677 bus_size_t o, uint16_t v, size_t c) 678 { 679 680 while (c-- > 0) 681 bus_space_write_stream_2(t, h, o, v); 682 } 683 684 static __inline void 685 bus_space_set_multi_stream_4(bus_space_tag_t t, bus_space_handle_t h, 686 bus_size_t o, uint32_t v, size_t c) 687 { 688 689 while (c-- > 0) 690 bus_space_write_stream_4(t, h, o, v); 691 } 692 693 static __inline void 694 bus_space_set_multi_stream_8(bus_space_tag_t t, bus_space_handle_t h, 695 bus_size_t o, uint64_t v, size_t c) 696 { 697 698 while (c-- > 0) 699 bus_space_write_stream_8(t, h, o, v); 700 } 701 702 static __inline void 703 bus_space_read_region_stream_1(bus_space_tag_t t, bus_space_handle_t h, 704 bus_size_t o, uint8_t *a, bus_size_t c) 705 { 706 707 for (; c; a++, c--, o++) 708 *a = bus_space_read_stream_1(t, h, o); 709 } 710 711 static __inline void 712 bus_space_read_region_stream_2(bus_space_tag_t t, bus_space_handle_t h, 713 bus_size_t o, uint16_t *a, bus_size_t c) 714 { 715 716 for (; c; a++, c--, o += 2) 717 *a = bus_space_read_stream_2(t, h, o); 718 } 719 720 static __inline void 721 bus_space_read_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, 722 bus_size_t o, uint32_t *a, bus_size_t c) 723 { 724 725 for (; c; a++, c--, o += 4) 726 *a = bus_space_read_stream_4(t, h, o); 727 } 728 729 static __inline void 730 bus_space_read_region_stream_8(bus_space_tag_t t, bus_space_handle_t h, 731 bus_size_t o, uint64_t *a, bus_size_t c) 732 { 733 734 for (; c; a++, c--, o += 8) 735 *a = bus_space_read_stream_8(t, h, o); 736 } 737 738 static __inline void 739 bus_space_write_region_stream_1(bus_space_tag_t t, bus_space_handle_t h, 740 bus_size_t o, const uint8_t *a, bus_size_t c) 741 { 742 743 for (; c; a++, c--, o++) 744 bus_space_write_stream_1(t, h, o, *a); 745 } 746 747 static __inline void 748 bus_space_write_region_stream_2(bus_space_tag_t t, bus_space_handle_t h, 749 bus_size_t o, const uint16_t *a, bus_size_t c) 750 { 751 752 for (; c; a++, c--, o += 2) 753 bus_space_write_stream_2(t, h, o, *a); 754 } 755 756 static __inline void 757 bus_space_write_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, 758 bus_size_t o, const uint32_t *a, bus_size_t c) 759 { 760 761 for (; c; a++, c--, o += 4) 762 bus_space_write_stream_4(t, h, o, *a); 763 } 764 765 static __inline void 766 bus_space_write_region_stream_8(bus_space_tag_t t, bus_space_handle_t h, 767 bus_size_t o, const uint64_t *a, bus_size_t c) 768 { 769 770 for (; c; a++, c--, o += 8) 771 bus_space_write_stream_8(t, h, o, *a); 772 } 773 774 static __inline void 775 bus_space_set_region_stream_1(bus_space_tag_t t, bus_space_handle_t h, 776 bus_size_t o, const uint8_t v, bus_size_t c) 777 { 778 779 for (; c; c--, o++) 780 bus_space_write_stream_1(t, h, o, v); 781 } 782 783 static __inline void 784 bus_space_set_region_stream_2(bus_space_tag_t t, bus_space_handle_t h, 785 bus_size_t o, const uint16_t v, bus_size_t c) 786 { 787 788 for (; c; c--, o += 2) 789 bus_space_write_stream_2(t, h, o, v); 790 } 791 792 static __inline void 793 bus_space_set_region_stream_4(bus_space_tag_t t, bus_space_handle_t h, 794 bus_size_t o, const uint32_t v, bus_size_t c) 795 { 796 797 for (; c; c--, o += 4) 798 bus_space_write_stream_4(t, h, o, v); 799 } 800 801 static __inline void 802 bus_space_set_region_stream_8(bus_space_tag_t t, bus_space_handle_t h, 803 bus_size_t o, const uint64_t v, bus_size_t c) 804 { 805 806 for (; c; c--, o += 8) 807 bus_space_write_stream_8(t, h, o, v); 808 } 809 810 static __inline void 811 bus_space_copy_region_stream_1(bus_space_tag_t t, bus_space_handle_t h1, 812 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 813 { 814 815 for (; c; c--, o1++, o2++) 816 bus_space_write_stream_1(t, h1, o1, bus_space_read_stream_1(t, h2, 817 o2)); 818 } 819 820 static __inline void 821 bus_space_copy_region_stream_2(bus_space_tag_t t, bus_space_handle_t h1, 822 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 823 { 824 825 for (; c; c--, o1 += 2, o2 += 2) 826 bus_space_write_stream_2(t, h1, o1, bus_space_read_stream_2(t, h2, 827 o2)); 828 } 829 830 static __inline void 831 bus_space_copy_region_stream_4(bus_space_tag_t t, bus_space_handle_t h1, 832 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 833 { 834 835 for (; c; c--, o1 += 4, o2 += 4) 836 bus_space_write_stream_4(t, h1, o1, bus_space_read_stream_4(t, h2, 837 o2)); 838 } 839 840 static __inline void 841 bus_space_copy_region_stream_8(bus_space_tag_t t, bus_space_handle_t h1, 842 bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) 843 { 844 845 for (; c; c--, o1 += 8, o2 += 8) 846 bus_space_write_stream_8(t, h1, o1, bus_space_read_8(t, h2, o2)); 847 } 848 849 static __inline int 850 bus_space_peek_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 851 uint8_t *a) 852 { 853 854 __BUS_DEBUG_ACCESS(h, o, "peek", 1); 855 return (fasword8(bus_type_asi[t->bst_type], (caddr_t)(h + o), a)); 856 } 857 858 static __inline int 859 bus_space_peek_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 860 uint16_t *a) 861 { 862 863 __BUS_DEBUG_ACCESS(h, o, "peek", 2); 864 return (fasword16(bus_type_asi[t->bst_type], (caddr_t)(h + o), a)); 865 } 866 867 static __inline int 868 bus_space_peek_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, 869 uint32_t *a) 870 { 871 872 __BUS_DEBUG_ACCESS(h, o, "peek", 4); 873 return (fasword32(bus_type_asi[t->bst_type], (caddr_t)(h + o), a)); 874 } 875 876 #include <machine/bus_dma.h> 877 878 #endif /* !_MACHINE_BUS_H_ */
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