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1.1 ! nbrk 1: /* $OpenBSD: bus_space.c,v 1.5 2007/01/06 20:11:01 miod Exp $ */
! 2: /* $NetBSD: bus_space.c,v 1.6 2002/09/27 15:36:02 provos Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Jason R. Thorpe.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * Implementation of bus_space mapping for the hp300.
! 42: */
! 43:
! 44: #include <sys/param.h>
! 45: #include <sys/systm.h>
! 46: #include <sys/extent.h>
! 47:
! 48: #include <machine/autoconf.h>
! 49: #include <machine/bus.h>
! 50:
! 51: #include <uvm/uvm_extern.h>
! 52:
! 53: #ifdef DIAGNOSTIC
! 54: extern char *extiobase;
! 55: #endif
! 56: extern struct extent *extio;
! 57:
! 58: /*
! 59: * Memory mapped devices (intio, dio and sgc)
! 60: */
! 61:
! 62: int hp300_mem_map(bus_addr_t, bus_size_t, int, bus_space_handle_t *);
! 63: void hp300_mem_unmap(bus_space_handle_t, bus_size_t);
! 64: int hp300_mem_subregion(bus_space_handle_t, bus_size_t, bus_size_t,
! 65: bus_space_handle_t *);
! 66: void * hp300_mem_vaddr(bus_space_handle_t);
! 67:
! 68: u_int8_t hp300_mem_bsr1(bus_space_handle_t, bus_size_t);
! 69: u_int16_t hp300_mem_bsr2(bus_space_handle_t, bus_size_t);
! 70: u_int32_t hp300_mem_bsr4(bus_space_handle_t, bus_size_t);
! 71: void hp300_mem_bsrm1(bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
! 72: void hp300_mem_bsrm2(bus_space_handle_t, bus_size_t, u_int16_t *, size_t);
! 73: void hp300_mem_bsrm4(bus_space_handle_t, bus_size_t, u_int32_t *, size_t);
! 74: void hp300_mem_bsrrm2(bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
! 75: void hp300_mem_bsrrm4(bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
! 76: void hp300_mem_bsrr1(bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
! 77: void hp300_mem_bsrr2(bus_space_handle_t, bus_size_t, u_int16_t *, size_t);
! 78: void hp300_mem_bsrr4(bus_space_handle_t, bus_size_t, u_int32_t *, size_t);
! 79: void hp300_mem_bsrrr2(bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
! 80: void hp300_mem_bsrrr4(bus_space_handle_t, bus_size_t, u_int8_t *, size_t);
! 81: void hp300_mem_bsw1(bus_space_handle_t, bus_size_t, u_int8_t);
! 82: void hp300_mem_bsw2(bus_space_handle_t, bus_size_t, u_int16_t);
! 83: void hp300_mem_bsw4(bus_space_handle_t, bus_size_t, u_int32_t);
! 84: void hp300_mem_bswm1(bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
! 85: void hp300_mem_bswm2(bus_space_handle_t, bus_size_t, const u_int16_t *, size_t);
! 86: void hp300_mem_bswm4(bus_space_handle_t, bus_size_t, const u_int32_t *, size_t);
! 87: void hp300_mem_bswrm2(bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
! 88: void hp300_mem_bswrm4(bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
! 89: void hp300_mem_bswr1(bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
! 90: void hp300_mem_bswr2(bus_space_handle_t, bus_size_t, const u_int16_t *, size_t);
! 91: void hp300_mem_bswr4(bus_space_handle_t, bus_size_t, const u_int32_t *, size_t);
! 92: void hp300_mem_bswrr2(bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
! 93: void hp300_mem_bswrr4(bus_space_handle_t, bus_size_t, const u_int8_t *, size_t);
! 94: void hp300_mem_bssm1(bus_space_handle_t, bus_size_t, u_int8_t, size_t);
! 95: void hp300_mem_bssm2(bus_space_handle_t, bus_size_t, u_int16_t, size_t);
! 96: void hp300_mem_bssm4(bus_space_handle_t, bus_size_t, u_int32_t, size_t);
! 97: void hp300_mem_bssr1(bus_space_handle_t, bus_size_t, u_int8_t, size_t);
! 98: void hp300_mem_bssr2(bus_space_handle_t, bus_size_t, u_int16_t, size_t);
! 99: void hp300_mem_bssr4(bus_space_handle_t, bus_size_t, u_int32_t, size_t);
! 100:
! 101: struct hp300_bus_space_tag hp300_mem_tag = {
! 102: hp300_mem_map,
! 103: hp300_mem_unmap,
! 104: hp300_mem_subregion,
! 105: hp300_mem_vaddr,
! 106:
! 107: hp300_mem_bsr1,
! 108: hp300_mem_bsr2,
! 109: hp300_mem_bsr4,
! 110: hp300_mem_bsrm1,
! 111: hp300_mem_bsrm2,
! 112: hp300_mem_bsrm4,
! 113: hp300_mem_bsrrm2,
! 114: hp300_mem_bsrrm4,
! 115: hp300_mem_bsrr1,
! 116: hp300_mem_bsrr2,
! 117: hp300_mem_bsrr4,
! 118: hp300_mem_bsrrr2,
! 119: hp300_mem_bsrrr4,
! 120: hp300_mem_bsw1,
! 121: hp300_mem_bsw2,
! 122: hp300_mem_bsw4,
! 123: hp300_mem_bswm1,
! 124: hp300_mem_bswm2,
! 125: hp300_mem_bswm4,
! 126: hp300_mem_bswrm2,
! 127: hp300_mem_bswrm4,
! 128: hp300_mem_bswr1,
! 129: hp300_mem_bswr2,
! 130: hp300_mem_bswr4,
! 131: hp300_mem_bswrr2,
! 132: hp300_mem_bswrr4,
! 133: hp300_mem_bssm1,
! 134: hp300_mem_bssm2,
! 135: hp300_mem_bssm4,
! 136: hp300_mem_bssr1,
! 137: hp300_mem_bssr2,
! 138: hp300_mem_bssr4
! 139: };
! 140:
! 141: int
! 142: hp300_mem_map(bus_addr_t bpa, bus_size_t size, int flags,
! 143: bus_space_handle_t *bshp)
! 144: {
! 145: u_long kva;
! 146: pt_entry_t template;
! 147: int error;
! 148:
! 149: /*
! 150: * intio space is direct-mapped in pmap_bootstrap(); just do the
! 151: * translation in this case.
! 152: */
! 153: if (bpa >= INTIOBASE && bpa < INTIOTOP) {
! 154: *bshp = IIOV(bpa);
! 155: return (0);
! 156: }
! 157:
! 158: /*
! 159: * Allocate virtual address space from the extio extent map.
! 160: */
! 161: size = round_page(bpa + size) - trunc_page(bpa);
! 162: error = extent_alloc(extio, size, PAGE_SIZE, 0, EX_NOBOUNDARY,
! 163: EX_NOWAIT | EX_MALLOCOK, &kva);
! 164: if (error)
! 165: return (error);
! 166:
! 167: *bshp = (bus_space_handle_t)kva + (bpa & PAGE_MASK);
! 168: bpa = trunc_page(bpa);
! 169:
! 170: /*
! 171: * Map the range.
! 172: */
! 173: if (flags & BUS_SPACE_MAP_CACHEABLE)
! 174: template = PG_RW;
! 175: else
! 176: template = PG_RW | PG_CI;
! 177: while (size != 0) {
! 178: pmap_kenter_cache(kva, bpa, template);
! 179: size -= PAGE_SIZE;
! 180: kva += PAGE_SIZE;
! 181: bpa += PAGE_SIZE;
! 182: }
! 183: pmap_update(pmap_kernel());
! 184:
! 185: /*
! 186: * All done.
! 187: */
! 188: return (0);
! 189: }
! 190:
! 191: void
! 192: hp300_mem_unmap(bus_space_handle_t bsh, bus_size_t size)
! 193: {
! 194: #ifdef DIAGNOSTIC
! 195: extern int eiomapsize;
! 196: #endif
! 197: int error;
! 198:
! 199: /*
! 200: * intio space is direct-mapped in pmap_bootstrap(); nothing
! 201: * to do.
! 202: */
! 203: if (IIOP(bsh) >= INTIOBASE && IIOP(bsh) < INTIOTOP)
! 204: return;
! 205:
! 206: #ifdef DIAGNOSTIC
! 207: if ((caddr_t)bsh < extiobase ||
! 208: (caddr_t)bsh >= extiobase + ptoa(eiomapsize)) {
! 209: printf("bus_space_unmap: bad bus space handle %x\n", bsh);
! 210: return;
! 211: }
! 212: #endif
! 213:
! 214: size = round_page(bsh + size) - trunc_page(bsh);
! 215: bsh = trunc_page(bsh);
! 216:
! 217: /*
! 218: * Unmap the range.
! 219: */
! 220: pmap_kremove(bsh, size);
! 221: pmap_update(pmap_kernel());
! 222:
! 223: /*
! 224: * Free it from the extio extent map.
! 225: */
! 226: error = extent_free(extio, (u_long)bsh, size, EX_NOWAIT | EX_MALLOCOK);
! 227: #ifdef DIAGNOSTIC
! 228: if (error != 0) {
! 229: printf("bus_space_unmap: kva 0x%lx size 0x%lx: "
! 230: "can't free region (%d)\n", (vaddr_t)bsh, size, error);
! 231: }
! 232: #endif
! 233: }
! 234:
! 235: /* ARGSUSED */
! 236: int
! 237: hp300_mem_subregion(bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
! 238: bus_space_handle_t *nbshp)
! 239: {
! 240: *nbshp = bsh + offset;
! 241: return (0);
! 242: }
! 243:
! 244: #if 0
! 245: /* ARGSUSED */
! 246: paddr_t
! 247: hp300_mem_mmap(bus_addr_t addr, off_t offset, int prot, int flags)
! 248: {
! 249: return (((paddr_t)addr + offset) >> PAGE_SHIFT);
! 250: }
! 251: #endif
! 252:
! 253: void *
! 254: hp300_mem_vaddr(bus_space_handle_t h)
! 255: {
! 256: return ((void *)h);
! 257: }
! 258:
! 259: u_int8_t
! 260: hp300_mem_bsr1(bus_space_handle_t bsh, bus_size_t offset)
! 261: {
! 262: return (*(volatile u_int8_t *) (bsh + offset));
! 263: }
! 264:
! 265: u_int16_t
! 266: hp300_mem_bsr2(bus_space_handle_t bsh, bus_size_t offset)
! 267: {
! 268: return (*(volatile u_int16_t *) (bsh + offset));
! 269: }
! 270:
! 271: u_int32_t
! 272: hp300_mem_bsr4(bus_space_handle_t bsh, bus_size_t offset)
! 273: {
! 274: return (*(volatile u_int32_t *) (bsh + offset));
! 275: }
! 276:
! 277: void
! 278: hp300_mem_bsrm1(bus_space_handle_t h, bus_size_t offset,
! 279: u_int8_t *a, size_t c)
! 280: {
! 281: __asm __volatile (
! 282: " movl %0,a0 ;"
! 283: " movl %1,a1 ;"
! 284: " movl %2,d0 ;"
! 285: "1: movb a0@,a1@+ ;"
! 286: " subql #1,d0 ;"
! 287: " jne 1b" :
! 288: :
! 289: "r" (h + offset), "g" (a), "g" (c) :
! 290: "a0","a1","d0");
! 291: }
! 292:
! 293: void
! 294: hp300_mem_bsrm2(bus_space_handle_t h, bus_size_t offset,
! 295: u_int16_t *a, size_t c)
! 296: {
! 297: __asm __volatile (
! 298: " movl %0,a0 ;"
! 299: " movl %1,a1 ;"
! 300: " movl %2,d0 ;"
! 301: "1: movw a0@,a1@+ ;"
! 302: " subql #1,d0 ;"
! 303: " jne 1b" :
! 304: :
! 305: "r" (h + offset), "g" (a), "g" (c) :
! 306: "a0","a1","d0");
! 307: }
! 308:
! 309: void
! 310: hp300_mem_bsrm4(bus_space_handle_t h, bus_size_t offset,
! 311: u_int32_t *a, size_t c)
! 312: {
! 313: __asm __volatile (
! 314: " movl %0,a0 ;"
! 315: " movl %1,a1 ;"
! 316: " movl %2,%d0 ;"
! 317: "1: movl a0@,a1@+ ;"
! 318: " subql #1,d0 ;"
! 319: " jne 1b" :
! 320: :
! 321: "r" (h + offset), "g" (a), "g" (c) :
! 322: "a0","a1","d0");
! 323: }
! 324:
! 325: void
! 326: hp300_mem_bsrrm2(bus_space_handle_t h, bus_size_t offset,
! 327: u_int8_t *a, size_t c)
! 328: {
! 329: __asm __volatile (
! 330: " movl %0,a0 ;"
! 331: " movl %1,a1 ;"
! 332: " movl %2,d0 ;"
! 333: "1: movw a0@,a1@+ ;"
! 334: " subql #1,d0 ;"
! 335: " jne 1b" :
! 336: :
! 337: "r" (h + offset), "g" (a), "g" (c) :
! 338: "a0","a1","d0");
! 339: }
! 340:
! 341: void
! 342: hp300_mem_bsrrm4(bus_space_handle_t h, bus_size_t offset,
! 343: u_int8_t *a, size_t c)
! 344: {
! 345: __asm __volatile (
! 346: " movl %0,a0 ;"
! 347: " movl %1,a1 ;"
! 348: " movl %2,%d0 ;"
! 349: "1: movl a0@,a1@+ ;"
! 350: " subql #1,d0 ;"
! 351: " jne 1b" :
! 352: :
! 353: "r" (h + offset), "g" (a), "g" (c) :
! 354: "a0","a1","d0");
! 355: }
! 356:
! 357: void
! 358: hp300_mem_bsrr1(bus_space_handle_t h, bus_size_t offset,
! 359: u_int8_t *a, size_t c)
! 360: {
! 361: __asm __volatile (
! 362: " movl %0,a0 ;"
! 363: " movl %1,a1 ;"
! 364: " movl %2,d0 ;"
! 365: "1: movb a0@+,a1@+ ;"
! 366: " subql #1,d0 ;"
! 367: " jne 1b" :
! 368: :
! 369: "r" (h + offset), "g" (a), "g" (c) :
! 370: "a0","a1","d0");
! 371: }
! 372:
! 373: void
! 374: hp300_mem_bsrr2(bus_space_handle_t h, bus_size_t offset,
! 375: u_int16_t *a, size_t c)
! 376: {
! 377: __asm __volatile (
! 378: " movl %0,a0 ;"
! 379: " movl %1,a1 ;"
! 380: " movl %2,d0 ;"
! 381: "1: movw a0@+,a1@+ ;"
! 382: " subql #1,d0 ;"
! 383: " jne 1b" :
! 384: :
! 385: "r" (h + offset), "g" (a), "g" (c) :
! 386: "a0","a1","d0");
! 387: }
! 388:
! 389: void
! 390: hp300_mem_bsrr4(bus_space_handle_t h, bus_size_t offset,
! 391: u_int32_t *a, size_t c)
! 392: {
! 393: __asm __volatile (
! 394: " movl %0,a0 ;"
! 395: " movl %1,a1 ;"
! 396: " movl %2,d0 ;"
! 397: "1: movl a0@+,a1@+ ;"
! 398: " subql #1,d0 ;"
! 399: " jne 1b" :
! 400: :
! 401: "r" (h + offset), "g" (a), "g" (c) :
! 402: "a0","a1","d0");
! 403: }
! 404:
! 405: void
! 406: hp300_mem_bsrrr2(bus_space_handle_t h, bus_size_t offset,
! 407: u_int8_t *a, size_t c)
! 408: {
! 409: __asm __volatile (
! 410: " movl %0,a0 ;"
! 411: " movl %1,a1 ;"
! 412: " movl %2,d0 ;"
! 413: "1: movw a0@+,a1@+ ;"
! 414: " subql #1,d0 ;"
! 415: " jne 1b" :
! 416: :
! 417: "r" (h + offset), "g" (a), "g" (c / 2) :
! 418: "a0","a1","d0");
! 419: }
! 420:
! 421: void
! 422: hp300_mem_bsrrr4(bus_space_handle_t h, bus_size_t offset,
! 423: u_int8_t *a, size_t c)
! 424: {
! 425: __asm __volatile (
! 426: " movl %0,a0 ;"
! 427: " movl %1,a1 ;"
! 428: " movl %2,d0 ;"
! 429: "1: movl a0@+,a1@+ ;"
! 430: " subql #1,d0 ;"
! 431: " jne 1b" :
! 432: :
! 433: "r" (h + offset), "g" (a), "g" (c / 4) :
! 434: "a0","a1","d0");
! 435: }
! 436:
! 437: void
! 438: hp300_mem_bsw1(bus_space_handle_t h, bus_size_t offset,
! 439: u_int8_t v)
! 440: {
! 441: (*(volatile u_int8_t *)(h + offset)) = v;
! 442: }
! 443:
! 444: void
! 445: hp300_mem_bsw2(bus_space_handle_t h, bus_size_t offset,
! 446: u_int16_t v)
! 447: {
! 448: (*(volatile u_int16_t *)(h + offset)) = v;
! 449: }
! 450:
! 451: void
! 452: hp300_mem_bsw4(bus_space_handle_t h, bus_size_t offset,
! 453: u_int32_t v)
! 454: {
! 455: (*(volatile u_int32_t *)(h + offset)) = v;
! 456: }
! 457:
! 458: void
! 459: hp300_mem_bswm1(bus_space_handle_t h, bus_size_t offset,
! 460: const u_int8_t *a, size_t c)
! 461: {
! 462: __asm __volatile (
! 463: " movl %0,a0 ;"
! 464: " movl %1,a1 ;"
! 465: " movl %2,d0 ;"
! 466: "1: movb a1@+,a0@ ;"
! 467: " subql #1,d0 ;"
! 468: " jne 1b" :
! 469: :
! 470: "r" (h + offset), "g" (a), "g" (c) :
! 471: "a0","a1","d0");
! 472: }
! 473:
! 474: void
! 475: hp300_mem_bswm2(bus_space_handle_t h, bus_size_t offset,
! 476: const u_int16_t *a, size_t c)
! 477: {
! 478: __asm __volatile (
! 479: " movl %0,a0 ;"
! 480: " movl %1,a1 ;"
! 481: " movl %2,d0 ;"
! 482: "1: movw a1@+,a0@ ;"
! 483: " subql #1,d0 ;"
! 484: " jne 1b" :
! 485: :
! 486: "r" (h + offset), "g" (a), "g" (c) :
! 487: "a0","a1","d0");
! 488: }
! 489:
! 490: void
! 491: hp300_mem_bswm4(bus_space_handle_t h, bus_size_t offset,
! 492: const u_int32_t *a, size_t c)
! 493: {
! 494: __asm __volatile (
! 495: " movl %0,a0 ;"
! 496: " movl %1,a1 ;"
! 497: " movl %2,d0 ;"
! 498: "1: movl a1@+,a0@ ;"
! 499: " subql #1,d0 ;"
! 500: " jne 1b" :
! 501: :
! 502: "r" (h + offset), "g" (a), "g" (c) :
! 503: "a0","a1","d0");
! 504: }
! 505:
! 506: void
! 507: hp300_mem_bswrm2(bus_space_handle_t h, bus_size_t offset,
! 508: const u_int8_t *a, size_t c)
! 509: {
! 510: __asm __volatile (
! 511: " movl %0,a0 ;"
! 512: " movl %1,a1 ;"
! 513: " movl %2,d0 ;"
! 514: "1: movw a1@+,a0@ ;"
! 515: " subql #1,d0 ;"
! 516: " jne 1b" :
! 517: :
! 518: "r" (h + offset), "g" (a), "g" (c) :
! 519: "a0","a1","d0");
! 520: }
! 521:
! 522: void
! 523: hp300_mem_bswrm4(bus_space_handle_t h, bus_size_t offset,
! 524: const u_int8_t *a, size_t c)
! 525: {
! 526: __asm __volatile (
! 527: " movl %0,a0 ;"
! 528: " movl %1,a1 ;"
! 529: " movl %2,d0 ;"
! 530: "1: movl a1@+,a0@ ;"
! 531: " subql #1,d0 ;"
! 532: " jne 1b" :
! 533: :
! 534: "r" (h + offset), "g" (a), "g" (c) :
! 535: "a0","a1","d0");
! 536: }
! 537:
! 538: void
! 539: hp300_mem_bswr1(bus_space_handle_t h, bus_size_t offset,
! 540: const u_int8_t *a, size_t c)
! 541: {
! 542: __asm __volatile (
! 543: " movl %0,a0 ;"
! 544: " movl %1,a1 ;"
! 545: " movl %2,d0 ;"
! 546: "1: movb a1@+,a0@+ ;"
! 547: " subql #1,d0 ;"
! 548: " jne 1b" :
! 549: :
! 550: "r" (h + offset), "g" (a), "g" (c) :
! 551: "a0","a1","d0");
! 552: }
! 553:
! 554: void
! 555: hp300_mem_bswr2(bus_space_handle_t h, bus_size_t offset,
! 556: const u_int16_t *a, size_t c)
! 557: {
! 558: __asm __volatile (
! 559: " movl %0,a0 ;"
! 560: " movl %1,a1 ;"
! 561: " movl %2,d0 ;"
! 562: "1: movw a1@+,a0@+ ;"
! 563: " subql #1,d0 ;"
! 564: " jne 1b" :
! 565: :
! 566: "r" (h + offset), "g" (a), "g" (c) :
! 567: "a0","a1","d0");
! 568: }
! 569:
! 570: void
! 571: hp300_mem_bswr4(bus_space_handle_t h, bus_size_t offset,
! 572: const u_int32_t *a, size_t c)
! 573: {
! 574: __asm __volatile (
! 575: " movl %0,a0 ;"
! 576: " movl %1,a1 ;"
! 577: " movl %2,d0 ;"
! 578: "1: movl a1@+,a0@+ ;"
! 579: " subql #1,d0 ;"
! 580: " jne 1b" :
! 581: :
! 582: "r" (h + offset), "g" (a), "g" (c) :
! 583: "a0","a1","d0");
! 584: }
! 585:
! 586: void
! 587: hp300_mem_bswrr2(bus_space_handle_t h, bus_size_t offset,
! 588: const u_int8_t *a, size_t c)
! 589: {
! 590: __asm __volatile (
! 591: " movl %0,a0 ;"
! 592: " movl %1,a1 ;"
! 593: " movl %2,d0 ;"
! 594: "1: movw a1@+,a0@+ ;"
! 595: " subql #1,d0 ;"
! 596: " jne 1b" :
! 597: :
! 598: "r" (h + offset), "g" (a), "g" (c / 2) :
! 599: "a0","a1","d0");
! 600: }
! 601:
! 602: void
! 603: hp300_mem_bswrr4(bus_space_handle_t h, bus_size_t offset,
! 604: const u_int8_t *a, size_t c)
! 605: {
! 606: __asm __volatile (
! 607: " movl %0,a0 ;"
! 608: " movl %1,a1 ;"
! 609: " movl %2,d0 ;"
! 610: "1: movl a1@+,a0@+ ;"
! 611: " subql #1,d0 ;"
! 612: " jne 1b" :
! 613: :
! 614: "r" (h + offset), "g" (a), "g" (c / 4) :
! 615: "a0","a1","d0");
! 616: }
! 617:
! 618: void
! 619: hp300_mem_bssm1(bus_space_handle_t h, bus_size_t offset,
! 620: u_int8_t v, size_t c)
! 621: {
! 622: __asm __volatile (
! 623: " movl %0,a0 ;"
! 624: " movl %1,d1 ;"
! 625: " movl %2,d0 ;"
! 626: "1: movb d1,a0@ ;"
! 627: " subql #1,d0 ;"
! 628: " jne 1b" :
! 629: :
! 630: "r" (h + offset), "g" ((u_long)v), "g" (c) :
! 631: "a0","d0","d1");
! 632: }
! 633:
! 634: void
! 635: hp300_mem_bssm2(bus_space_handle_t h, bus_size_t offset,
! 636: u_int16_t v, size_t c)
! 637: {
! 638: __asm __volatile (
! 639: " movl %0,a0 ;"
! 640: " movl %1,d1 ;"
! 641: " movl %2,d0 ;"
! 642: "1: movw d1,a0@ ;"
! 643: " subql #1,d0 ;"
! 644: " jne 1b" :
! 645: :
! 646: "r" (h + offset), "g" ((u_long)v), "g" (c) :
! 647: "a0","d0","d1");
! 648: }
! 649:
! 650: void
! 651: hp300_mem_bssm4(bus_space_handle_t h, bus_size_t offset,
! 652: u_int32_t v, size_t c)
! 653: {
! 654: __asm __volatile (
! 655: " movl %0,a0 ;"
! 656: " movl %1,d1 ;"
! 657: " movl %2,d0 ;"
! 658: "1: movl d1,a0@ ;"
! 659: " subql #1,d0 ;"
! 660: " jne 1b" :
! 661: :
! 662: "r" (h + offset), "g" ((u_long)v), "g" (c) :
! 663: "a0","d0","d1");
! 664: }
! 665:
! 666: void
! 667: hp300_mem_bssr1(bus_space_handle_t h, bus_size_t offset,
! 668: u_int8_t v, size_t c)
! 669: {
! 670: __asm __volatile (
! 671: " movl %0,a0 ;"
! 672: " movl %1,d1 ;"
! 673: " movl %2,d0 ;"
! 674: "1: movb d1,a0@+ ;"
! 675: " subql #1,d0 ;"
! 676: " jne 1b" :
! 677: :
! 678: "r" (h + offset), "g" ((u_long)v), "g" (c) :
! 679: "a0","d0","d1");
! 680: }
! 681:
! 682: void
! 683: hp300_mem_bssr2(bus_space_handle_t h, bus_size_t offset,
! 684: u_int16_t v, size_t c)
! 685: {
! 686: __asm __volatile (
! 687: " movl %0,a0 ;"
! 688: " movl %1,d1 ;"
! 689: " movl %2,d0 ;"
! 690: "1: movw d1,a0@+ ;"
! 691: " subql #1,d0 ;"
! 692: " jne 1b" :
! 693: :
! 694: "r" (h + offset), "g" ((u_long)v), "g" (c) :
! 695: "a0","d0","d1");
! 696: }
! 697:
! 698: void
! 699: hp300_mem_bssr4(bus_space_handle_t h, bus_size_t offset,
! 700: u_int32_t v, size_t c)
! 701: {
! 702: __asm __volatile (
! 703: " movl %0,a0 ;"
! 704: " movl %1,d1 ;"
! 705: " movl %2,d0 ;"
! 706: "1: movl d1,a0@+ ;"
! 707: " subql #1,d0 ;"
! 708: " jne 1b" :
! 709: :
! 710: "r" (h + offset), "g" ((u_long)v), "g" (c) :
! 711: "a0","d0","d1");
! 712: }
! 713:
! 714: #if 0
! 715: paddr_t
! 716: bus_space_mmap(bus_space_tag_t t, bus_addr_t addr, off_t offset, int prot,
! 717: int flags)
! 718: {
! 719: return (((paddr_t)addr + offset) >> PAGE_SHIFT);
! 720: }
! 721: #endif