bus.h revision 1.16
1 /* $NetBSD: bus.h,v 1.16 2000/07/31 14:59:15 briggs Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 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 * Copyright (C) 1997 Scott Reynolds. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. The name of the author may not be used to endorse or promote products 52 * derived from this software without specific prior written permission 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 57 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 58 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 59 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 60 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 61 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 63 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 64 */ 65 66 #ifndef _MAC68K_BUS_H_ 67 #define _MAC68K_BUS_H_ 68 69 /* 70 * Value for the mac68k bus space tag, not to be used directly by MI code. 71 */ 72 #define MAC68K_BUS_SPACE_MEM 0 /* space is mem space */ 73 74 /* 75 * Bus address and size types 76 */ 77 typedef u_long bus_addr_t; 78 typedef u_long bus_size_t; 79 80 /* 81 * Access methods for bus resources and address space. 82 */ 83 #define BUS_SPACE_HANDLE_T struct bus_space_handle_s 84 typedef int bus_space_tag_t; 85 typedef struct bus_space_handle_s { 86 u_long base; 87 int swapped; 88 int stride; 89 90 u_int8_t (*bsr1) __P((bus_space_tag_t t, 91 BUS_SPACE_HANDLE_T *h, bus_size_t o)); 92 u_int16_t (*bsr2) __P((bus_space_tag_t t, 93 BUS_SPACE_HANDLE_T *h, bus_size_t o)); 94 u_int32_t (*bsr4) __P((bus_space_tag_t t, 95 BUS_SPACE_HANDLE_T *h, bus_size_t o)); 96 void (*bsrm1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 97 bus_size_t o, u_int8_t *a, size_t c)); 98 void (*bsrm2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 99 bus_size_t o, u_int16_t *a, size_t c)); 100 void (*bsrm4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 101 bus_size_t o, u_int32_t *a, size_t c)); 102 void (*bsrr1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 103 bus_size_t o, u_int8_t *a, size_t c)); 104 void (*bsrr2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 105 bus_size_t o, u_int16_t *a, size_t c)); 106 void (*bsrr4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 107 bus_size_t o, u_int32_t *a, size_t c)); 108 void (*bsw1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 109 bus_size_t o, u_int8_t v)); 110 void (*bsw2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 111 bus_size_t o, u_int16_t v)); 112 void (*bsw4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 113 bus_size_t o, u_int32_t v)); 114 void (*bswm1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 115 bus_size_t o, u_int8_t *a, size_t c)); 116 void (*bswm2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 117 bus_size_t o, u_int16_t *a, size_t c)); 118 void (*bswm4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 119 bus_size_t o, u_int32_t *a, size_t c)); 120 void (*bswr1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 121 bus_size_t o, u_int8_t *a, size_t c)); 122 void (*bswr2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 123 bus_size_t o, u_int16_t *a, size_t c)); 124 void (*bswr4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 125 bus_size_t o, u_int32_t *a, size_t c)); 126 void (*bssm1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 127 bus_size_t o, u_int8_t v, size_t c)); 128 void (*bssm2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 129 bus_size_t o, u_int16_t v, size_t c)); 130 void (*bssm4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 131 bus_size_t o, u_int32_t v, size_t c)); 132 void (*bssr1) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 133 bus_size_t o, u_int8_t v, size_t c)); 134 void (*bssr2) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 135 bus_size_t o, u_int16_t v, size_t c)); 136 void (*bssr4) __P((bus_space_tag_t t, BUS_SPACE_HANDLE_T *h, 137 bus_size_t o, u_int32_t v, size_t c)); 138 } bus_space_handle_t; 139 #undef BUS_SPACE_HANDLE_T 140 141 void mac68k_bus_space_handle_swapped __P((bus_space_tag_t t, 142 bus_space_handle_t *h)); 143 void mac68k_bus_space_handle_set_stride __P((bus_space_tag_t t, 144 bus_space_handle_t *h, int stride)); 145 146 /* 147 * int bus_space_map __P((bus_space_tag_t t, bus_addr_t addr, 148 * bus_size_t size, int flags, bus_space_handle_t *bshp)); 149 * 150 * Map a region of bus space. 151 */ 152 153 #define BUS_SPACE_MAP_CACHEABLE 0x01 154 #define BUS_SPACE_MAP_LINEAR 0x02 155 #define BUS_SPACE_MAP_PREFETCHABLE 0x04 156 157 int bus_space_map __P((bus_space_tag_t, bus_addr_t, bus_size_t, 158 int, bus_space_handle_t *)); 159 160 /* 161 * void bus_space_unmap __P((bus_space_tag_t t, 162 * bus_space_handle_t bsh, bus_size_t size)); 163 * 164 * Unmap a region of bus space. 165 */ 166 167 void bus_space_unmap __P((bus_space_tag_t, bus_space_handle_t, bus_size_t)); 168 169 /* 170 * int bus_space_subregion __P((bus_space_tag_t t, 171 * bus_space_handle_t bsh, bus_size_t offset, bus_size_t size, 172 * bus_space_handle_t *nbshp)); 173 * 174 * Get a new handle for a subregion of an already-mapped area of bus space. 175 */ 176 177 int bus_space_subregion __P((bus_space_tag_t t, bus_space_handle_t bsh, 178 bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp)); 179 180 /* 181 * int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t, rstart, 182 * bus_addr_t rend, bus_size_t size, bus_size_t align, 183 * bus_size_t boundary, int flags, bus_addr_t *addrp, 184 * bus_space_handle_t *bshp)); 185 * 186 * Allocate a region of bus space. 187 */ 188 189 int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t rstart, 190 bus_addr_t rend, bus_size_t size, bus_size_t align, 191 bus_size_t boundary, int cacheable, bus_addr_t *addrp, 192 bus_space_handle_t *bshp)); 193 194 /* 195 * int bus_space_free __P((bus_space_tag_t t, 196 * bus_space_handle_t bsh, bus_size_t size)); 197 * 198 * Free a region of bus space. 199 */ 200 201 void bus_space_free __P((bus_space_tag_t t, bus_space_handle_t bsh, 202 bus_size_t size)); 203 204 /* 205 * int mac68k_bus_space_probe __P((bus_space_tag_t t, 206 * bus_space_handle_t bsh, bus_size_t offset, int sz)); 207 * 208 * Probe the bus at t/bsh/offset, using sz as the size of the load. 209 * 210 * This is a machine-dependent extension, and is not to be used by 211 * machine-independent code. 212 */ 213 214 int mac68k_bus_space_probe __P((bus_space_tag_t t, 215 bus_space_handle_t bsh, bus_size_t offset, int sz)); 216 217 /* 218 * u_intN_t bus_space_read_N __P((bus_space_tag_t tag, 219 * bus_space_handle_t bsh, bus_size_t offset)); 220 * 221 * Read a 1, 2, 4, or 8 byte quantity from bus space 222 * described by tag/handle/offset. 223 */ 224 225 u_int8_t mac68k_bsr1 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 226 bus_size_t offset)); 227 u_int8_t mac68k_bsr1_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 228 bus_size_t offset)); 229 u_int16_t mac68k_bsr2 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 230 bus_size_t offset)); 231 u_int16_t mac68k_bsr2_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 232 bus_size_t offset)); 233 u_int16_t mac68k_bsr2_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 234 bus_size_t offset)); 235 u_int32_t mac68k_bsr4 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 236 bus_size_t offset)); 237 u_int32_t mac68k_bsr4_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 238 bus_size_t offset)); 239 u_int32_t mac68k_bsr4_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 240 bus_size_t offset)); 241 242 #define bus_space_read_1(t,h,o) (h).bsr1((t), &(h), (o)) 243 #define bus_space_read_2(t,h,o) (h).bsr2((t), &(h), (o)) 244 #define bus_space_read_4(t,h,o) (h).bsr4((t), &(h), (o)) 245 246 #if 0 /* Cause a link error for bus_space_read_8 */ 247 #define bus_space_read_8(t, h, o) !!! bus_space_read_8 unimplemented !!! 248 #endif 249 250 /* 251 * void bus_space_read_multi_N __P((bus_space_tag_t tag, 252 * bus_space_handle_t bsh, bus_size_t offset, 253 * u_intN_t *addr, size_t count)); 254 * 255 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 256 * described by tag/handle/offset and copy into buffer provided. 257 */ 258 259 void mac68k_bsrm1 __P((bus_space_tag_t t, bus_space_handle_t *h, 260 bus_size_t o, u_int8_t *a, size_t c)); 261 void mac68k_bsrm1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 262 bus_size_t o, u_int8_t *a, size_t c)); 263 void mac68k_bsrm2 __P((bus_space_tag_t t, bus_space_handle_t *h, 264 bus_size_t o, u_int16_t *a, size_t c)); 265 void mac68k_bsrm2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 266 bus_size_t o, u_int16_t *a, size_t c)); 267 void mac68k_bsrm2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 268 bus_size_t o, u_int16_t *a, size_t c)); 269 void mac68k_bsrm4 __P((bus_space_tag_t t, bus_space_handle_t *h, 270 bus_size_t o, u_int32_t *a, size_t c)); 271 void mac68k_bsrm4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 272 bus_size_t o, u_int32_t *a, size_t c)); 273 void mac68k_bsrm4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 274 bus_size_t o, u_int32_t *a, size_t c)); 275 276 #if defined(DIAGNOSTIC) 277 #define bus_space_read_multi_1(t, h, o, a, c) do { \ 278 if (!c) panic("bus_space_read_multi_1 called with zero count."); \ 279 (h).bsrm1(t,&(h),o,a,c); } while (0) 280 #define bus_space_read_multi_2(t, h, o, a, c) do { \ 281 if (!c) panic("bus_space_read_multi_2 called with zero count."); \ 282 (h).bsrm2(t,&(h),o,a,c); } while (0) 283 #define bus_space_read_multi_4(t, h, o, a, c) do { \ 284 if (!c) panic("bus_space_read_multi_4 called with zero count."); \ 285 (h).bsrm4(t,&(h),o,a,c); } while (0) 286 #else 287 #define bus_space_read_multi_1(t, h, o, a, c) \ 288 do { if (c) (h).bsrm1(t, &(h), o, a, c); } while (0) 289 #define bus_space_read_multi_2(t, h, o, a, c) \ 290 do { if (c) (h).bsrm2(t, &(h), o, a, c); } while (0) 291 #define bus_space_read_multi_4(t, h, o, a, c) \ 292 do { if (c) (h).bsrm4(t, &(h), o, a, c); } while (0) 293 #endif 294 295 #if 0 /* Cause a link error for bus_space_read_multi_8 */ 296 #define bus_space_read_multi_8 !!! bus_space_read_multi_8 unimplemented !!! 297 #endif 298 299 /* 300 * void bus_space_read_region_N __P((bus_space_tag_t tag, 301 * bus_space_handle_t bsh, bus_size_t offset, 302 * u_intN_t *addr, size_t count)); 303 * 304 * Read `count' 1, 2, 4, or 8 byte quantities from bus space 305 * described by tag/handle and starting at `offset' and copy into 306 * buffer provided. 307 */ 308 309 void mac68k_bsrr1 __P((bus_space_tag_t t, bus_space_handle_t *h, 310 bus_size_t o, u_int8_t *a, size_t c)); 311 void mac68k_bsrr1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 312 bus_size_t o, u_int8_t *a, size_t c)); 313 void mac68k_bsrr2 __P((bus_space_tag_t t, bus_space_handle_t *h, 314 bus_size_t o, u_int16_t *a, size_t c)); 315 void mac68k_bsrr2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 316 bus_size_t o, u_int16_t *a, size_t c)); 317 void mac68k_bsrr2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 318 bus_size_t o, u_int16_t *a, size_t c)); 319 void mac68k_bsrr4 __P((bus_space_tag_t t, bus_space_handle_t *h, 320 bus_size_t o, u_int32_t *a, size_t c)); 321 void mac68k_bsrr4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 322 bus_size_t o, u_int32_t *a, size_t c)); 323 void mac68k_bsrr4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 324 bus_size_t o, u_int32_t *a, size_t c)); 325 326 #if defined(DIAGNOSTIC) 327 #define bus_space_read_region_1(t, h, o, a, c) do { \ 328 if (!c) panic("bus_space_read_region_1 called with zero count."); \ 329 (h).bsrr1(t,&(h),o,a,c); } while (0) 330 #define bus_space_read_region_2(t, h, o, a, c) do { \ 331 if (!c) panic("bus_space_read_region_2 called with zero count."); \ 332 (h).bsrr2(t,&(h),o,a,c); } while (0) 333 #define bus_space_read_region_4(t, h, o, a, c) do { \ 334 if (!c) panic("bus_space_read_region_4 called with zero count."); \ 335 (h).bsrr4(t,&(h),o,a,c); } while (0) 336 #else 337 #define bus_space_read_region_1(t, h, o, a, c) \ 338 do { if (c) (h).bsrr1(t,&(h),o,a,c); } while (0) 339 #define bus_space_read_region_2(t, h, o, a, c) \ 340 do { if (c) (h).bsrr2(t,&(h),o,a,c); } while (0) 341 #define bus_space_read_region_4(t, h, o, a, c) \ 342 do { if (c) (h).bsrr4(t,&(h),o,a,c); } while (0) 343 #endif 344 345 #if 0 /* Cause a link error for bus_space_read_region_8 */ 346 #define bus_space_read_region_8 !!! bus_space_read_region_8 unimplemented !!! 347 #endif 348 349 /* 350 * void bus_space_write_N __P((bus_space_tag_t tag, 351 * bus_space_handle_t bsh, bus_size_t offset, 352 * u_intN_t value)); 353 * 354 * Write the 1, 2, 4, or 8 byte value `value' to bus space 355 * described by tag/handle/offset. 356 */ 357 358 void mac68k_bsw1 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 359 bus_size_t offset, u_int8_t v)); 360 void mac68k_bsw1_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 361 bus_size_t offset, u_int8_t v)); 362 void mac68k_bsw2 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 363 bus_size_t offset, u_int16_t v)); 364 void mac68k_bsw2_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 365 bus_size_t offset, u_int16_t v)); 366 void mac68k_bsw2_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 367 bus_size_t offset, u_int16_t v)); 368 void mac68k_bsw4 __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 369 bus_size_t offset, u_int32_t v)); 370 void mac68k_bsw4_swap __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 371 bus_size_t offset, u_int32_t v)); 372 void mac68k_bsw4_gen __P((bus_space_tag_t tag, bus_space_handle_t *bsh, 373 bus_size_t offset, u_int32_t v)); 374 375 #define bus_space_write_1(t, h, o, v) (h).bsw1(t, &(h), o, v) 376 #define bus_space_write_2(t, h, o, v) (h).bsw2(t, &(h), o, v) 377 #define bus_space_write_4(t, h, o, v) (h).bsw4(t, &(h), o, v) 378 379 #if 0 /* Cause a link error for bus_space_write_8 */ 380 #define bus_space_write_8 !!! bus_space_write_8 not implemented !!! 381 #endif 382 383 /* 384 * void bus_space_write_multi_N __P((bus_space_tag_t tag, 385 * bus_space_handle_t bsh, bus_size_t offset, 386 * const u_intN_t *addr, size_t count)); 387 * 388 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer 389 * provided to bus space described by tag/handle/offset. 390 */ 391 392 void mac68k_bswm1 __P((bus_space_tag_t t, bus_space_handle_t *h, 393 bus_size_t o, u_int8_t *a, size_t c)); 394 void mac68k_bswm1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 395 bus_size_t o, u_int8_t *a, size_t c)); 396 void mac68k_bswm2 __P((bus_space_tag_t t, bus_space_handle_t *h, 397 bus_size_t o, u_int16_t *a, size_t c)); 398 void mac68k_bswm2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 399 bus_size_t o, u_int16_t *a, size_t c)); 400 void mac68k_bswm2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 401 bus_size_t o, u_int16_t *a, size_t c)); 402 void mac68k_bswm4 __P((bus_space_tag_t t, bus_space_handle_t *h, 403 bus_size_t o, u_int32_t *a, size_t c)); 404 void mac68k_bswm4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 405 bus_size_t o, u_int32_t *a, size_t c)); 406 void mac68k_bswm4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 407 bus_size_t o, u_int32_t *a, size_t c)); 408 409 #if defined(DIAGNOSTIC) 410 #define bus_space_write_multi_1(t, h, o, a, c) do { \ 411 if (!c) panic("bus_space_write_multi_1 called with zero count."); \ 412 (h).bswm1(t,&(h),o,a,c); } while (0) 413 #define bus_space_write_multi_2(t, h, o, a, c) do { \ 414 if (!c) panic("bus_space_write_multi_2 called with zero count."); \ 415 (h).bswm2(t,&(h),o,a,c); } while (0) 416 #define bus_space_write_multi_4(t, h, o, a, c) do { \ 417 if (!c) panic("bus_space_write_multi_4 called with zero count."); \ 418 (h).bswm4(t,&(h),o,a,c); } while (0) 419 #else 420 #define bus_space_write_multi_1(t, h, o, a, c) \ 421 do { if (c) (h).bswm1(t, &(h), o, a, c); } while (0) 422 #define bus_space_write_multi_2(t, h, o, a, c) \ 423 do { if (c) (h).bswm2(t, &(h), o, a, c); } while (0) 424 #define bus_space_write_multi_4(t, h, o, a, c) \ 425 do { if (c) (h).bswm4(t, &(h), o, a, c); } while (0) 426 #endif 427 428 #if 0 /* Cause a link error for bus_space_write_8 */ 429 #define bus_space_write_multi_8(t, h, o, a, c) \ 430 !!! bus_space_write_multi_8 unimplimented !!! 431 #endif 432 433 /* 434 * void bus_space_write_region_N __P((bus_space_tag_t tag, 435 * bus_space_handle_t bsh, bus_size_t offset, 436 * const u_intN_t *addr, size_t count)); 437 * 438 * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided 439 * to bus space described by tag/handle starting at `offset'. 440 */ 441 442 void mac68k_bswr1 __P((bus_space_tag_t t, bus_space_handle_t *h, 443 bus_size_t o, u_int8_t *a, size_t c)); 444 void mac68k_bswr1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 445 bus_size_t o, u_int8_t *a, size_t c)); 446 void mac68k_bswr2 __P((bus_space_tag_t t, bus_space_handle_t *h, 447 bus_size_t o, u_int16_t *a, size_t c)); 448 void mac68k_bswr2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 449 bus_size_t o, u_int16_t *a, size_t c)); 450 void mac68k_bswr2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 451 bus_size_t o, u_int16_t *a, size_t c)); 452 void mac68k_bswr4 __P((bus_space_tag_t t, bus_space_handle_t *h, 453 bus_size_t o, u_int32_t *a, size_t c)); 454 void mac68k_bswr4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 455 bus_size_t o, u_int32_t *a, size_t c)); 456 void mac68k_bswr4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 457 bus_size_t o, u_int32_t *a, size_t c)); 458 459 #if defined(DIAGNOSTIC) 460 #define bus_space_write_region_1(t, h, o, a, c) do { \ 461 if (!c) panic("bus_space_write_region_1 called with zero count."); \ 462 (h).bswr1(t,&(h),o,a,c); } while (0) 463 #define bus_space_write_region_2(t, h, o, a, c) do { \ 464 if (!c) panic("bus_space_write_region_2 called with zero count."); \ 465 (h).bswr2(t,&(h),o,a,c); } while (0) 466 #define bus_space_write_region_4(t, h, o, a, c) do { \ 467 if (!c) panic("bus_space_write_region_4 called with zero count."); \ 468 (h).bswr4(t,&(h),o,a,c); } while (0) 469 #else 470 #define bus_space_write_region_1(t, h, o, a, c) \ 471 do { if (c) (h).bswr1(t,&(h),o,a,c); } while (0) 472 #define bus_space_write_region_2(t, h, o, a, c) \ 473 do { if (c) (h).bswr2(t,&(h),o,a,c); } while (0) 474 #define bus_space_write_region_4(t, h, o, a, c) \ 475 do { if (c) (h).bswr4(t,&(h),o,a,c); } while (0) 476 #endif 477 478 #if 0 /* Cause a link error for bus_space_write_region_8 */ 479 #define bus_space_write_region_8 \ 480 !!! bus_space_write_region_8 unimplemented !!! 481 #endif 482 483 /* 484 * void bus_space_set_multi_N __P((bus_space_tag_t tag, 485 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, 486 * size_t count)); 487 * 488 * Write the 1, 2, 4, or 8 byte value `val' to bus space described 489 * by tag/handle/offset `count' times. 490 */ 491 492 void mac68k_bssm1 __P((bus_space_tag_t t, bus_space_handle_t *h, 493 bus_size_t o, u_int8_t v, size_t c)); 494 void mac68k_bssm1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 495 bus_size_t o, u_int8_t v, size_t c)); 496 void mac68k_bssm2 __P((bus_space_tag_t t, bus_space_handle_t *h, 497 bus_size_t o, u_int16_t v, size_t c)); 498 void mac68k_bssm2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 499 bus_size_t o, u_int16_t v, size_t c)); 500 void mac68k_bssm2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 501 bus_size_t o, u_int16_t v, size_t c)); 502 void mac68k_bssm4 __P((bus_space_tag_t t, bus_space_handle_t *h, 503 bus_size_t o, u_int32_t v, size_t c)); 504 void mac68k_bssm4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 505 bus_size_t o, u_int32_t v, size_t c)); 506 void mac68k_bssm4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 507 bus_size_t o, u_int32_t v, size_t c)); 508 509 #if defined(DIAGNOSTIC) 510 #define bus_space_set_multi_1(t, h, o, val, c) do { \ 511 if (!c) panic("bus_space_set_multi_1 called with zero count."); \ 512 (h).bssm1(t,&(h),o,val,c); } while (0) 513 #define bus_space_set_multi_2(t, h, o, val, c) do { \ 514 if (!c) panic("bus_space_set_multi_2 called with zero count."); \ 515 (h).bssm2(t,&(h),o,val,c); } while (0) 516 #define bus_space_set_multi_4(t, h, o, val, c) do { \ 517 if (!c) panic("bus_space_set_multi_4 called with zero count."); \ 518 (h).bssm4(t,&(h),o,val,c); } while (0) 519 #else 520 #define bus_space_set_multi_1(t, h, o, val, c) \ 521 do { if (c) (h).bssm1(t,&(h),o,val,c); } while (0) 522 #define bus_space_set_multi_2(t, h, o, val, c) \ 523 do { if (c) (h).bssm2(t,&(h),o,val,c); } while (0) 524 #define bus_space_set_multi_4(t, h, o, val, c) \ 525 do { if (c) (h).bssm4(t,&(h),o,val,c); } while (0) 526 #endif 527 528 #if 0 /* Cause a link error for bus_space_set_multi_8 */ 529 #define bus_space_set_multi_8 \ 530 !!! bus_space_set_multi_8 unimplemented !!! 531 #endif 532 533 /* 534 * void bus_space_set_region_N __P((bus_space_tag_t tag, 535 * bus_space_handle_t bsh, bus_size_t offset, u_intN_t val, 536 * size_t count)); 537 * 538 * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described 539 * by tag/handle starting at `offset'. 540 */ 541 542 void mac68k_bssr1 __P((bus_space_tag_t t, bus_space_handle_t *h, 543 bus_size_t o, u_int8_t v, size_t c)); 544 void mac68k_bssr1_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 545 bus_size_t o, u_int8_t v, size_t c)); 546 void mac68k_bssr2 __P((bus_space_tag_t t, bus_space_handle_t *h, 547 bus_size_t o, u_int16_t v, size_t c)); 548 void mac68k_bssr2_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 549 bus_size_t o, u_int16_t v, size_t c)); 550 void mac68k_bssr2_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 551 bus_size_t o, u_int16_t v, size_t c)); 552 void mac68k_bssr4 __P((bus_space_tag_t t, bus_space_handle_t *h, 553 bus_size_t o, u_int32_t v, size_t c)); 554 void mac68k_bssr4_swap __P((bus_space_tag_t t, bus_space_handle_t *h, 555 bus_size_t o, u_int32_t v, size_t c)); 556 void mac68k_bssr4_gen __P((bus_space_tag_t t, bus_space_handle_t *h, 557 bus_size_t o, u_int32_t v, size_t c)); 558 559 #if defined(DIAGNOSTIC) 560 #define bus_space_set_region_1(t, h, o, val, c) do { \ 561 if (!c) panic("bus_space_set_region_1 called with zero count."); \ 562 (h).bssr1(t,&(h),o,val,c); } while (0) 563 #define bus_space_set_region_2(t, h, o, val, c) do { \ 564 if (!c) panic("bus_space_set_region_2 called with zero count."); \ 565 (h).bssr2(t,&(h),o,val,c); } while (0) 566 #define bus_space_set_region_4(t, h, o, val, c) do { \ 567 if (!c) panic("bus_space_set_region_4 called with zero count."); \ 568 (h).bssr4(t,&(h),o,val,c); } while (0) 569 #else 570 #define bus_space_set_region_1(t, h, o, val, c) \ 571 do { if (c) (h).bssr1(t,&(h),o,val,c); } while (0) 572 #define bus_space_set_region_2(t, h, o, val, c) \ 573 do { if (c) (h).bssr2(t,&(h),o,val,c); } while (0) 574 #define bus_space_set_region_4(t, h, o, val, c) \ 575 do { if (c) (h).bssr4(t,&(h),o,val,c); } while (0) 576 #endif 577 578 #if 0 /* Cause a link error for bus_space_set_region_8 */ 579 #define bus_space_set_region_8 \ 580 !!! bus_space_set_region_8 unimplemented !!! 581 #endif 582 583 /* 584 * void bus_space_copy_N __P((bus_space_tag_t tag, 585 * bus_space_handle_t bsh1, bus_size_t off1, 586 * bus_space_handle_t bsh2, bus_size_t off2, 587 * size_t count)); 588 * 589 * Copy `count' 1, 2, 4, or 8 byte values from bus space starting 590 * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2. 591 */ 592 593 #define __MAC68K_copy_region_N(BYTES) \ 594 static __inline void __CONCAT(bus_space_copy_region_,BYTES) \ 595 __P((bus_space_tag_t, \ 596 bus_space_handle_t bsh1, bus_size_t off1, \ 597 bus_space_handle_t bsh2, bus_size_t off2, \ 598 bus_size_t count)); \ 599 \ 600 static __inline void \ 601 __CONCAT(bus_space_copy_region_,BYTES)(t, h1, o1, h2, o2, c) \ 602 bus_space_tag_t t; \ 603 bus_space_handle_t h1, h2; \ 604 bus_size_t o1, o2, c; \ 605 { \ 606 bus_size_t o; \ 607 \ 608 if ((h1.base + o1) >= (h2.base + o2)) { \ 609 /* src after dest: copy forward */ \ 610 for (o = 0; c != 0; c--, o += BYTES) \ 611 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 612 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 613 } else { \ 614 /* dest after src: copy backwards */ \ 615 for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES) \ 616 __CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o, \ 617 __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \ 618 } \ 619 } 620 __MAC68K_copy_region_N(1) 621 __MAC68K_copy_region_N(2) 622 __MAC68K_copy_region_N(4) 623 #if 0 /* Cause a link error for bus_space_copy_8 */ 624 #define bus_space_copy_8 \ 625 !!! bus_space_copy_8 unimplemented !!! 626 #endif 627 628 #undef __MAC68K_copy_region_N 629 630 /* 631 * Bus read/write barrier methods. 632 * 633 * void bus_space_barrier __P((bus_space_tag_t tag, 634 * bus_space_handle_t bsh, bus_size_t offset, 635 * bus_size_t len, int flags)); 636 * 637 * Note: the 680x0 does not currently require barriers, but we must 638 * provide the flags to MI code. 639 */ 640 #define bus_space_barrier(t, h, o, l, f) \ 641 ((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f))) 642 #define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */ 643 #define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */ 644 645 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t) 646 647 #endif /* _MAC68K_BUS_H_ */ 648
Indexes created Sun Sep 28 16:09:52 GMT 2025