1 /* $NetBSD: ctlreg.h,v 1.30 2002/04/24 23:54:24 eeh Exp $ */ 2 3 /* 4 * Copyright (c) 1996-2002 Eduardo Horvath 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 13 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 16 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22 * SUCH DAMAGE. 23 * 24 */ 25 26 /* 27 * Sun 4u control registers. (includes address space definitions 28 * and some registers in control space). 29 */ 30 31 /* 32 * The Alternate address spaces. 33 * 34 * 0x00-0x7f are privileged 35 * 0x80-0xff can be used by users 36 */ 37 38 #define ASI_LITTLE 0x08 /* This bit should make an ASI little endian */ 39 40 #define ASI_NUCLEUS 0x04 /* [4u] kernel address space */ 41 #define ASI_NUCLEUS_LITTLE 0x0c /* [4u] kernel address space, little endian */ 42 43 #define ASI_AS_IF_USER_PRIMARY 0x10 /* [4u] primary user address space */ 44 #define ASI_AS_IF_USER_SECONDARY 0x11 /* [4u] secondary user address space */ 45 46 #define ASI_PHYS_CACHED 0x14 /* [4u] MMU bypass to main memory */ 47 #define ASI_PHYS_NON_CACHED 0x15 /* [4u] MMU bypass to I/O location */ 48 49 #define ASI_AS_IF_USER_PRIMARY_LITTLE 0x18 /* [4u] primary user address space, little endian */ 50 #define ASI_AS_IF_USER_SECONDARY_LITTIE 0x19 /* [4u] secondary user address space, little endian */ 51 52 #define ASI_PHYS_CACHED_LITTLE 0x1c /* [4u] MMU bypass to main memory, little endian */ 53 #define ASI_PHYS_NON_CACHED_LITTLE 0x1d /* [4u] MMU bypass to I/O location, little endian */ 54 55 #define ASI_NUCLEUS_QUAD_LDD 0x24 /* [4u] use w/LDDA to load 128-bit item */ 56 #define ASI_NUCLEUS_QUAD_LDD_LITTLE 0x2c /* [4u] use w/LDDA to load 128-bit item, little endian */ 57 58 #define ASI_FLUSH_D_PAGE_PRIMARY 0x38 /* [4u] flush D-cache page using primary context */ 59 #define ASI_FLUSH_D_PAGE_SECONDARY 0x39 /* [4u] flush D-cache page using secondary context */ 60 #define ASI_FLUSH_D_CTX_PRIMARY 0x3a /* [4u] flush D-cache context using primary context */ 61 #define ASI_FLUSH_D_CTX_SECONDARY 0x3b /* [4u] flush D-cache context using secondary context */ 62 63 #define ASI_LSU_CONTROL_REGISTER 0x45 /* [4u] load/store unit control register */ 64 65 #define ASI_DCACHE_DATA 0x46 /* [4u] diagnostic access to D-cache data RAM */ 66 #define ASI_DCACHE_TAG 0x47 /* [4u] diagnostic access to D-cache tag RAM */ 67 68 #define ASI_INTR_DISPATCH_STATUS 0x48 /* [4u] interrupt dispatch status register */ 69 #define ASI_INTR_RECEIVE 0x49 /* [4u] interrupt receive status register */ 70 #define ASI_MID_REG 0x4a /* [4u] hardware config and MID */ 71 #define ASI_ERROR_EN_REG 0x4b /* [4u] asynchronous error enables */ 72 #define ASI_AFSR 0x4c /* [4u] asynchronous fault status register */ 73 #define ASI_AFAR 0x4d /* [4u] asynchronous fault address register */ 74 75 #define ASI_ICACHE_DATA 0x66 /* [4u] diagnostic access to D-cache data RAM */ 76 #define ASI_ICACHE_TAG 0x67 /* [4u] diagnostic access to D-cache tag RAM */ 77 #define ASI_FLUSH_I_PAGE_PRIMARY 0x68 /* [4u] flush D-cache page using primary context */ 78 #define ASI_FLUSH_I_PAGE_SECONDARY 0x69 /* [4u] flush D-cache page using secondary context */ 79 #define ASI_FLUSH_I_CTX_PRIMARY 0x6a /* [4u] flush D-cache context using primary context */ 80 #define ASI_FLUSH_I_CTX_SECONDARY 0x6b /* [4u] flush D-cache context using secondary context */ 81 82 #define ASI_BLOCK_AS_IF_USER_PRIMARY 0x70 /* [4u] primary user address space, block loads/stores */ 83 #define ASI_BLOCK_AS_IF_USER_SECONDARY 0x71 /* [4u] secondary user address space, block loads/stores */ 84 85 #define ASI_ECACHE_DIAG 0x76 /* [4u] diag access to E-cache tag and data */ 86 #define ASI_DATAPATH_ERR_REG_WRITE 0x77 /* [4u] ASI is reused */ 87 88 #define ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE 0x78 /* [4u] primary user address space, block loads/stores */ 89 #define ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE 0x79 /* [4u] secondary user address space, block loads/stores */ 90 91 #define ASI_INTERRUPT_RECEIVE_DATA 0x7f /* [4u] interrupt receive data registers {0,1,2} */ 92 #define ASI_DATAPATH_ERR_REG_READ 0x7f /* [4u] read access to datapath error registers (ASI reused) */ 93 94 #define ASI_PRIMARY 0x80 /* [4u] primary address space */ 95 #define ASI_SECONDARY 0x81 /* [4u] secondary address space */ 96 #define ASI_PRIMARY_NOFAULT 0x82 /* [4u] primary address space, no fault */ 97 #define ASI_SECONDARY_NOFAULT 0x83 /* [4u] secondary address space, no fault */ 98 99 #define ASI_PRIMARY_LITTLE 0x88 /* [4u] primary address space, little endian */ 100 #define ASI_SECONDARY_LITTLE 0x89 /* [4u] secondary address space, little endian */ 101 #define ASI_PRIMARY_NOFAULT_LITTLE 0x8a /* [4u] primary address space, no fault, little endian */ 102 #define ASI_SECONDARY_NOFAULT_LITTLE 0x8b /* [4u] secondary address space, no fault, little endian */ 103 104 #define ASI_PST8_PRIMARY 0xc0 /* [VIS] Eight 8-bit partial store, primary */ 105 #define ASI_PST8_SECONDARY 0xc1 /* [VIS] Eight 8-bit partial store, secondary */ 106 #define ASI_PST16_PRIMARY 0xc2 /* [VIS] Four 16-bit partial store, primary */ 107 #define ASI_PST16_SECONDARY 0xc3 /* [VIS] Fout 16-bit partial store, secondary */ 108 #define ASI_PST32_PRIMARY 0xc4 /* [VIS] Two 32-bit partial store, primary */ 109 #define ASI_PST32_SECONDARY 0xc5 /* [VIS] Two 32-bit partial store, secondary */ 110 111 #define ASI_PST8_PRIMARY_LITTLE 0xc8 /* [VIS] Eight 8-bit partial store, primary, little endian */ 112 #define ASI_PST8_SECONDARY_LITTLE 0xc9 /* [VIS] Eight 8-bit partial store, secondary, little endian */ 113 #define ASI_PST16_PRIMARY_LITTLE 0xca /* [VIS] Four 16-bit partial store, primary, little endian */ 114 #define ASI_PST16_SECONDARY_LITTLE 0xcb /* [VIS] Fout 16-bit partial store, secondary, little endian */ 115 #define ASI_PST32_PRIMARY_LITTLE 0xcc /* [VIS] Two 32-bit partial store, primary, little endian */ 116 #define ASI_PST32_SECONDARY_LITTLE 0xcd /* [VIS] Two 32-bit partial store, secondary, little endian */ 117 118 #define ASI_FL8_PRIMARY 0xd0 /* [VIS] One 8-bit load/store floating, primary */ 119 #define ASI_FL8_SECONDARY 0xd1 /* [VIS] One 8-bit load/store floating, secondary */ 120 #define ASI_FL16_PRIMARY 0xd2 /* [VIS] One 16-bit load/store floating, primary */ 121 #define ASI_FL16_SECONDARY 0xd3 /* [VIS] One 16-bit load/store floating, secondary */ 122 123 #define ASI_FL8_PRIMARY_LITTLE 0xd8 /* [VIS] One 8-bit load/store floating, primary, little endian */ 124 #define ASI_FL8_SECONDARY_LITTLE 0xd9 /* [VIS] One 8-bit load/store floating, secondary, little endian */ 125 #define ASI_FL16_PRIMARY_LITTLE 0xda /* [VIS] One 16-bit load/store floating, primary, little endian */ 126 #define ASI_FL16_SECONDARY_LITTLE 0xdb /* [VIS] One 16-bit load/store floating, secondary, little endian */ 127 128 #define ASI_BLOCK_COMMIT_PRIMARY 0xe0 /* [4u] block store with commit, primary */ 129 #define ASI_BLOCK_COMMIT_SECONDARY 0xe1 /* [4u] block store with commit, secondary */ 130 #define ASI_BLOCK_PRIMARY 0xf0 /* [4u] block load/store, primary */ 131 #define ASI_BLOCK_SECONDARY 0xf1 /* [4u] block load/store, secondary */ 132 #define ASI_BLOCK_PRIMARY_LITTLE 0xf8 /* [4u] block load/store, primary, little endian */ 133 #define ASI_BLOCK_SECONDARY_LITTLE 0xf9 /* [4u] block load/store, secondary, little endian */ 134 135 136 /* 137 * These are the shorter names used by Solaris 138 */ 139 140 #define ASI_N ASI_NUCLEUS 141 #define ASI_NL ASI_NUCLEUS_LITTLE 142 #define ASI_AIUP ASI_AS_IF_USER_PRIMARY 143 #define ASI_AIUS ASI_AS_IF_USER_SECONDARY 144 #define ASI_AIUPL ASI_AS_IF_USER_PRIMARY_LITTLE 145 #define ASI_AIUSL ASI_AS_IF_USER_SECONDARY_LITTLE 146 #define ASI_P ASI_PRIMARY 147 #define ASI_S ASI_SECONDARY 148 #define ASI_PNF ASI_PRIMARY_NOFAULT 149 #define ASI_SNF ASI_SECONDARY_NOFAULT 150 #define ASI_PL ASI_PRIMARY_LITTLE 151 #define ASI_SL ASI_SECONDARY_LITTLE 152 #define ASI_PNFL ASI_PRIMARY_NOFAULT_LITTLE 153 #define ASI_SNFL ASI_SECONDARY_NOFAULT_LITTLE 154 #define ASI_FL8_P ASI_FL8_PRIMARY 155 #define ASI_FL8_S ASI_FL8_SECONDARY 156 #define ASI_FL16_P ASI_FL16_PRIMARY 157 #define ASI_FL16_S ASI_FL16_SECONDARY 158 #define ASI_FL8_PL ASI_FL8_PRIMARY_LITTLE 159 #define ASI_FL8_SL ASI_FL8_SECONDARY_LITTLE 160 #define ASI_FL16_PL ASI_FL16_PRIMARY_LITTLE 161 #define ASI_FL16_SL ASI_FL16_SECONDARY_LITTLE 162 #define ASI_BLK_AIUP ASI_BLOCK_AS_IF_USER_PRIMARY 163 #define ASI_BLK_AIUPL ASI_BLOCK_AS_IF_USER_PRIMARY_LITTLE 164 #define ASI_BLK_AIUS ASI_BLOCK_AS_IF_USER_SECONDARY 165 #define ASI_BLK_AIUSL ASI_BLOCK_AS_IF_USER_SECONDARY_LITTLE 166 #define ASI_BLK_COMMIT_P ASI_BLOCK_COMMIT_PRIMARY 167 #define ASI_BLK_COMMIT_PRIMARY ASI_BLOCK_COMMIT_PRIMARY 168 #define ASI_BLK_COMMIT_S ASI_BLOCK_COMMIT_SECONDARY 169 #define ASI_BLK_COMMIT_SECONDARY ASI_BLOCK_COMMIT_SECONDARY 170 #define ASI_BLK_P ASI_BLOCK_PRIMARY 171 #define ASI_BLK_PL ASI_BLOCK_PRIMARY_LITTLE 172 #define ASI_BLK_S ASI_BLOCK_SECONDARY 173 #define ASI_BLK_SL ASI_BLOCK_SECONDARY_LITTLE 174 175 /* Alternative spellings */ 176 #define ASI_PRIMARY_NO_FAULT ASI_PRIMARY_NOFAULT 177 #define ASI_PRIMARY_NO_FAULT_LITTLE ASI_PRIMARY_NOFAULT_LITTLE 178 #define ASI_SECONDARY_NO_FAULT ASI_SECONDARY_NOFAULT 179 #define ASI_SECONDARY_NO_FAULT_LITTLE ASI_SECONDARY_NOFAULT_LITTLE 180 181 #define PHYS_ASI(x) (((x) | 0x09) == 0x1d) 182 #define LITTLE_ASI(x) ((x) & ASI_LITTLE) 183 184 /* 185 * The following are 4u control registers 186 */ 187 188 189 /* Get the CPU's UPAID */ 190 #define UPA_CR_MID(x) (((x)>>17)&0x1f) 191 #define CPU_UPAID UPA_CR_MID(ldxa(0, ASI_MID_REG)) 192 193 /* 194 * [4u] MMU and Cache Control Register (MCCR) 195 * use ASI = 0x45 196 */ 197 #define ASI_MCCR ASI_LSU_CONTROL_REGISTER 198 #define MCCR 0x00 199 200 /* MCCR Bits and their meanings */ 201 #define MCCR_DMMU_EN 0x08 202 #define MCCR_IMMU_EN 0x04 203 #define MCCR_DCACHE_EN 0x02 204 #define MCCR_ICACHE_EN 0x01 205 206 207 /* 208 * MMU control registers 209 */ 210 211 /* Choose an MMU */ 212 #define ASI_DMMU 0x58 213 #define ASI_IMMU 0x50 214 215 /* Other assorted MMU ASIs */ 216 #define ASI_IMMU_8KPTR 0x51 217 #define ASI_IMMU_64KPTR 0x52 218 #define ASI_IMMU_DATA_IN 0x54 219 #define ASI_IMMU_TLB_DATA 0x55 220 #define ASI_IMMU_TLB_TAG 0x56 221 #define ASI_DMMU_8KPTR 0x59 222 #define ASI_DMMU_64KPTR 0x5a 223 #define ASI_DMMU_DATA_IN 0x5c 224 #define ASI_DMMU_TLB_DATA 0x5d 225 #define ASI_DMMU_TLB_TAG 0x5e 226 227 /* 228 * The following are the control registers 229 * They work on both MMUs unless noted. 230 * 231 * Register contents are defined later on individual registers. 232 */ 233 #define TSB_TAG_TARGET 0x0 234 #define TLB_DATA_IN 0x0 235 #define CTX_PRIMARY 0x08 /* primary context -- DMMU only */ 236 #define CTX_SECONDARY 0x10 /* secondary context -- DMMU only */ 237 #define SFSR 0x18 238 #define SFAR 0x20 /* fault address -- DMMU only */ 239 #define TSB 0x28 240 #define TLB_TAG_ACCESS 0x30 241 #define VIRTUAL_WATCHPOINT 0x38 242 #define PHYSICAL_WATCHPOINT 0x40 243 244 /* Tag Target bits */ 245 #define TAG_TARGET_VA_MASK 0x03ffffffffffffffffLL 246 #define TAG_TARGET_VA(x) (((x)<<22)&TAG_TARGET_VA_MASK) 247 #define TAG_TARGET_CONTEXT(x) ((x)>>48) 248 #define TAG_TARGET(c,v) ((((uint64_t)c)<<48)|(((uint64_t)v)&TAG_TARGET_VA_MASK)) 249 250 /* SFSR bits for both D_SFSR and I_SFSR */ 251 #define SFSR_ASI(x) ((x)>>16) 252 #define SFSR_FT_VA_OOR_2 0x02000 /* IMMU: jumpl or return to unsupportd VA */ 253 #define SFSR_FT_VA_OOR_1 0x01000 /* fault at unsupported VA */ 254 #define SFSR_FT_NFO 0x00800 /* DMMU: Access to page marked NFO */ 255 #define SFSR_ILL_ASI 0x00400 /* DMMU: Illegal (unsupported) ASI */ 256 #define SFSR_FT_IO_ATOMIC 0x00200 /* DMMU: Atomic access to noncacheable page */ 257 #define SFSR_FT_ILL_NF 0x00100 /* DMMU: NF load or flush to page marked E (has side effects) */ 258 #define SFSR_FT_PRIV 0x00080 /* Privilege violation */ 259 #define SFSR_FT_E 0x00040 /* DMUU: value of E bit associated address */ 260 #define SFSR_CTXT(x) (((x)>>4)&0x3) 261 #define SFSR_CTXT_IS_PRIM(x) (SFSR_CTXT(x)==0x00) 262 #define SFSR_CTXT_IS_SECOND(x) (SFSR_CTXT(x)==0x01) 263 #define SFSR_CTXT_IS_NUCLEUS(x) (SFSR_CTXT(x)==0x02) 264 #define SFSR_PRIV 0x00008 /* value of PSTATE.PRIV for faulting access */ 265 #define SFSR_W 0x00004 /* DMMU: attempted write */ 266 #define SFSR_OW 0x00002 /* Overwrite; prev vault was still valid */ 267 #define SFSR_FV 0x00001 /* Fault is valid */ 268 #define SFSR_FT (SFSR_FT_VA_OOR_2|SFSR_FT_VA_OOR_1|SFSR_FT_NFO|SFSR_ILL_ASI|SFSR_FT_IO_ATOMIC|SFSR_FT_ILL_NF|SFSR_FT_PRIV) 269 270 #if 0 271 /* Old bits */ 272 #define SFSR_BITS "\40\16VAT\15VAD\14NFO\13ASI\12A\11NF\10PRIV\7E\6NUCLEUS\5SECONDCTX\4PRIV\3W\2OW\1FV" 273 #else 274 /* New bits */ 275 #define SFSR_BITS "\177\20" \ 276 "f\20\30ASI\0" "b\16VAT\0" "b\15VAD\0" "b\14NFO\0" "b\13ASI\0" "b\12A\0" "b\11NF\0" "b\10PRIV\0" \ 277 "b\7E\0" "b\6NUCLEUS\0" "b\5SECONDCTX\0" "b\4PRIV\0" "b\3W\0" "b\2OW\0" "b\1FV\0" 278 #endif 279 280 /* ASFR bits */ 281 #define ASFR_ME 0x100000000LL 282 #define ASFR_PRIV 0x080000000LL 283 #define ASFR_ISAP 0x040000000LL 284 #define ASFR_ETP 0x020000000LL 285 #define ASFR_IVUE 0x010000000LL 286 #define ASFR_TO 0x008000000LL 287 #define ASFR_BERR 0x004000000LL 288 #define ASFR_LDP 0x002000000LL 289 #define ASFR_CP 0x001000000LL 290 #define ASFR_WP 0x000800000LL 291 #define ASFR_EDP 0x000400000LL 292 #define ASFR_UE 0x000200000LL 293 #define ASFR_CE 0x000100000LL 294 #define ASFR_ETS 0x0000f0000LL 295 #define ASFT_P_SYND 0x00000ffffLL 296 297 #define AFSR_BITS "\177\20" \ 298 "b\40ME\0" "b\37PRIV\0" "b\36ISAP\0" "b\35ETP\0" \ 299 "b\34IVUE\0" "b\33TO\0" "b\32BERR\0" "b\31LDP\0" \ 300 "b\30CP\0" "b\27WP\0" "b\26EDP\0" "b\25UE\0" \ 301 "b\24CE\0" "f\20\4ETS\0" "f\0\20P_SYND\0" 302 303 /* 304 * Here's the spitfire TSB control register bits. 305 * 306 * Each TSB entry is 16-bytes wide. The TSB must be size aligned 307 */ 308 #define TSB_SIZE_512 0x0 /* 8kB, etc. */ 309 #define TSB_SIZE_1K 0x01 310 #define TSB_SIZE_2K 0x02 311 #define TSB_SIZE_4K 0x03 312 #define TSB_SIZE_8K 0x04 313 #define TSB_SIZE_16K 0x05 314 #define TSB_SIZE_32K 0x06 315 #define TSB_SIZE_64K 0x07 316 #define TSB_SPLIT 0x1000 317 #define TSB_BASE 0xffffffffffffe000 318 319 /* TLB Tag Access bits */ 320 #define TLB_TAG_ACCESS_VA 0xffffffffffffe000 321 #define TLB_TAG_ACCESS_CTX 0x0000000000001fff 322 323 /* 324 * TLB demap registers. TTEs are defined in v9pte.h 325 * 326 * Use the address space to select between IMMU and DMMU. 327 * The address of the register selects which context register 328 * to read the ASI from. 329 * 330 * The data stored in the register is interpreted as the VA to 331 * use. The DEMAP_CTX_<> registers ignore the address and demap the 332 * entire ASI. 333 * 334 */ 335 #define ASI_IMMU_DEMAP 0x57 /* [4u] IMMU TLB demap */ 336 #define ASI_DMMU_DEMAP 0x5f /* [4u] IMMU TLB demap */ 337 338 #define DEMAP_PAGE_NUCLEUS ((0x02)<<4) /* Demap page from kernel AS */ 339 #define DEMAP_PAGE_PRIMARY ((0x00)<<4) /* Demap a page from primary CTXT */ 340 #define DEMAP_PAGE_SECONDARY ((0x01)<<4) /* Demap page from secondary CTXT (DMMU only) */ 341 #define DEMAP_CTX_NUCLEUS ((0x06)<<4) /* Demap all of kernel CTXT */ 342 #define DEMAP_CTX_PRIMARY ((0x04)<<4) /* Demap all of primary CTXT */ 343 #define DEMAP_CTX_SECONDARY ((0x05)<<4) /* Demap all of secondary CTXT */ 344 345 /* 346 * Interrupt registers. This really gets hairy. 347 */ 348 349 /* IRSR -- Interrupt Receive Status Ragister */ 350 #define ASI_IRSR 0x49 351 #define IRSR 0x00 352 #define IRSR_BUSY 0x020 353 #define IRSR_MID(x) (x&0x1f) 354 355 /* IRDR -- Interrupt Receive Data Registers */ 356 #define ASI_IRDR 0x7f 357 #define IRDR_0H 0x40 358 #define IRDR_0L 0x48 /* unimplemented */ 359 #define IRDR_1H 0x50 360 #define IRDR_1L 0x58 /* unimplemented */ 361 #define IRDR_2H 0x60 362 #define IRDR_2L 0x68 /* unimplemented */ 363 #define IRDR_3H 0x70 /* unimplemented */ 364 #define IRDR_3L 0x78 /* unimplemented */ 365 366 /* SOFTINT ASRs */ 367 #define SET_SOFTINT %asr20 /* Sets these bits */ 368 #define CLEAR_SOFTINT %asr21 /* Clears these bits */ 369 #define SOFTINT %asr22 /* Reads the register */ 370 #define TICK_CMPR %asr23 371 372 #define TICK_INT 0x01 /* level-14 clock tick */ 373 #define SOFTINT1 (0x1<<1) 374 #define SOFTINT2 (0x1<<2) 375 #define SOFTINT3 (0x1<<3) 376 #define SOFTINT4 (0x1<<4) 377 #define SOFTINT5 (0x1<<5) 378 #define SOFTINT6 (0x1<<6) 379 #define SOFTINT7 (0x1<<7) 380 #define SOFTINT8 (0x1<<8) 381 #define SOFTINT9 (0x1<<9) 382 #define SOFTINT10 (0x1<<10) 383 #define SOFTINT11 (0x1<<11) 384 #define SOFTINT12 (0x1<<12) 385 #define SOFTINT13 (0x1<<13) 386 #define SOFTINT14 (0x1<<14) 387 #define SOFTINT15 (0x1<<15) 388 389 /* Interrupt Dispatch -- usually reserved for cross-calls */ 390 #define ASR_IDSR 0x48 /* Interrupt dispatch status reg */ 391 #define IDSR 0x00 392 #define IDSR_NACK 0x02 393 #define IDSR_BUSY 0x01 394 395 #define ASI_INTERRUPT_DISPATCH 0x77 /* [4u] spitfire interrupt dispatch regs */ 396 #define IDCR(x) (((x)<<14)&0x70) /* Store anything to this address to dispatch crosscall to CPU (x) */ 397 #define IDDR_0H 0x40 /* Store data to send in these regs */ 398 #define IDDR_0L 0x48 /* unimplemented */ 399 #define IDDR_1H 0x50 400 #define IDDR_1L 0x58 /* unimplemented */ 401 #define IDDR_2H 0x60 402 #define IDDR_2L 0x68 /* unimplemented */ 403 #define IDDR_3H 0x70 /* unimplemented */ 404 #define IDDR_3L 0x78 /* unimplemented */ 405 406 /* 407 * Error registers 408 */ 409 410 /* Since we won't try to fix async errs, we don't care about the bits in the regs */ 411 #define ASI_AFAR 0x4d /* Asynchronous fault address register */ 412 #define AFAR 0x00 413 #define ASI_AFSR 0x4c /* Asynchronous fault status register */ 414 #define AFSR 0x00 415 416 #define ASI_P_EER 0x4b /* Error enable register */ 417 #define P_EER 0x00 418 #define P_EER_ISAPEN 0x04 /* Enable fatal on ISAP */ 419 #define P_EER_NCEEN 0x02 /* Enable trap on uncorrectable errs */ 420 #define P_EER_CEEN 0x01 /* Enable trap on correctable errs */ 421 422 #define ASI_DATAPATH_READ 0x7f /* Read the regs */ 423 #define ASI_DATAPATH_WRITE 0x77 /* Write to the regs */ 424 #define P_DPER_0 0x00 /* Datapath err reg 0 */ 425 #define P_DPER_1 0x18 /* Datapath err reg 1 */ 426 #define P_DCR_0 0x20 /* Datapath control reg 0 */ 427 #define P_DCR_1 0x38 /* Datapath control reg 0 */ 428 429 430 /* From sparc64/asm.h which I think I'll deprecate since it makes bus.h a pain. */ 431 432 #ifndef _LOCORE 433 /* 434 * GCC __asm constructs for doing assembly stuff. 435 */ 436 437 /* 438 * ``Routines'' to load and store from/to alternate address space. 439 * The location can be a variable, the asi value (address space indicator) 440 * must be a constant. 441 * 442 * N.B.: You can put as many special functions here as you like, since 443 * they cost no kernel space or time if they are not used. 444 * 445 * These were static inline functions, but gcc screws up the constraints 446 * on the address space identifiers (the "n"umeric value part) because 447 * it inlines too late, so we have to use the funny valued-macro syntax. 448 */ 449 450 /* 451 * Apparently the definition of bypass ASIs is that they all use the 452 * D$ so we need to flush the D$ to make sure we don't get data pollution. 453 */ 454 455 static __inline__ u_char lduba __P((paddr_t loc, int asi)); 456 static __inline__ u_short lduha __P((paddr_t loc, int asi)); 457 static __inline__ u_int lda __P((paddr_t loc, int asi)); 458 static __inline__ int ldswa __P((paddr_t loc, int asi)); 459 static __inline__ u_int64_t ldxa __P((paddr_t loc, int asi)); 460 static __inline__ u_int64_t ldda __P((paddr_t loc, int asi)); 461 462 static __inline__ void stba __P((paddr_t loc, int asi, u_char value)); 463 static __inline__ void stha __P((paddr_t loc, int asi, u_short value)); 464 static __inline__ void sta __P((paddr_t loc, int asi, u_int value)); 465 static __inline__ void stxa __P((paddr_t loc, int asi, u_int64_t value)); 466 static __inline__ void stda __P((paddr_t loc, int asi, u_int64_t value)); 467 468 #if 0 469 static __inline__ unsigned int casa __P((paddr_t loc, int asi, 470 unsigned int value, unsigned int oldvalue)); 471 static __inline__ u_int64_t casxa __P((paddr_t loc, int asi, 472 u_int64_t value, u_int64_t oldvalue)); 473 #endif 474 475 #ifdef __arch64__ 476 static __inline__ u_char 477 lduba(paddr_t loc, int asi) 478 { 479 register unsigned int _lduba_v; 480 481 __asm __volatile("wr %2,%%g0,%%asi; " 482 " lduba [%1]%%asi,%0; wr %%g0, 0x82, %%asi" : 483 "=r" (_lduba_v) : 484 "r" ((unsigned long)(loc)), "r" (asi)); 485 return (_lduba_v); 486 } 487 #else 488 static __inline__ u_char 489 lduba(paddr_t loc, int asi) 490 { 491 register unsigned int _lduba_v, _loc_hi, _pstate; 492 493 _loc_hi = (((u_int64_t)loc)>>32); 494 if (PHYS_ASI(asi)) { 495 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 496 " rdpr %%pstate,%1; or %0,%2,%0; wrpr %1,8,%%pstate; " 497 " membar #Sync; lduba [%0]%%asi,%0; wrpr %1,0,%%pstate; " 498 " membar #Sync; wr %%g0, 0x82, %%asi" : 499 "=&r" (_lduba_v), "=&r" (_pstate) : 500 "r" ((unsigned long)(loc)), "r" (_loc_hi), 501 "r" (asi)); 502 } else { 503 __asm __volatile("wr %3,%%g0,%%asi; sllx %2,32,%0; " 504 " or %0,%1,%0; lduba [%0]%%asi,%0; wr %%g0, 0x82, %%asi" : "=&r" (_lduba_v) : 505 "r" ((unsigned long)(loc)), 506 "r" (_loc_hi), "r" (asi)); 507 } 508 return (_lduba_v); 509 } 510 #endif 511 512 #ifdef __arch64__ 513 /* load half-word from alternate address space */ 514 static __inline__ u_short 515 lduha(paddr_t loc, int asi) 516 { 517 register unsigned int _lduha_v; 518 519 __asm __volatile("wr %2,%%g0,%%asi; lduha [%1]%%asi,%0; " 520 " wr %%g0, 0x82, %%asi" : 521 "=r" (_lduha_v) : 522 "r" ((unsigned long)(loc)), "r" (asi)); 523 return (_lduha_v); 524 } 525 #else 526 /* load half-word from alternate address space */ 527 static __inline__ u_short 528 lduha(paddr_t loc, int asi) { 529 register unsigned int _lduha_v, _loc_hi, _pstate; 530 531 _loc_hi = (((u_int64_t)loc)>>32); 532 533 if (PHYS_ASI(asi)) { 534 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 535 " rdpr %%pstate,%1; wrpr %1,8,%%pstate; " 536 " or %0,%2,%0; membar #Sync; lduha [%0]%%asi,%0; wrpr %1,0,%%pstate; " 537 " membar #Sync; wr %%g0, 0x82, %%asi" : 538 "=&r" (_lduha_v), "=&r" (_pstate) : 539 "r" ((unsigned long)(loc)), "r" (_loc_hi), 540 "r" (asi)); 541 } else { 542 __asm __volatile("wr %3,%%g0,%%asi; sllx %2,32,%0; " 543 " or %0,%1,%0; lduha [%0]%%asi,%0; wr %%g0, 0x82, %%asi" : "=&r" (_lduha_v) : 544 "r" ((unsigned long)(loc)), "r" (_loc_hi), "r" (asi)); 545 } 546 return (_lduha_v); 547 } 548 #endif 549 550 551 #ifdef __arch64__ 552 /* load unsigned int from alternate address space */ 553 static __inline__ u_int 554 lda(paddr_t loc, int asi) 555 { 556 register unsigned int _lda_v; 557 558 __asm __volatile("wr %2,%%g0,%%asi; lda [%1]%%asi,%0" : 559 "=r" (_lda_v) : 560 "r" ((unsigned long)(loc)), "r" (asi)); 561 return (_lda_v); 562 } 563 564 /* load signed int from alternate address space */ 565 static __inline__ int 566 ldswa(paddr_t loc, int asi) 567 { 568 register int _lda_v; 569 570 __asm __volatile("wr %2,%%g0,%%asi; " 571 " ldswa [%1]%%asi,%0; wr %%g0, 0x82, %%asi" : 572 "=r" (_lda_v) : 573 "r" ((unsigned long)(loc)), "r" (asi)); 574 return (_lda_v); 575 } 576 #else /* __arch64__ */ 577 /* load unsigned int from alternate address space */ 578 static __inline__ u_int 579 lda(paddr_t loc, int asi) 580 { 581 register unsigned int _lda_v, _loc_hi, _pstate; 582 583 _loc_hi = (((u_int64_t)loc)>>32); 584 if (PHYS_ASI(asi)) { 585 __asm __volatile("wr %4,%%g0,%%asi; rdpr %%pstate,%1;" 586 " sllx %3,32,%0; wrpr %1,8,%%pstate; or %0,%2,%0; membar #Sync; " 587 " lda [%0]%%asi,%0; wrpr %1,0,%%pstate; membar #Sync; " 588 " wr %%g0, 0x82, %%asi" : "=&r" (_lda_v), "=&r" (_pstate) : 589 "r" ((unsigned long)(loc)), "r" (_loc_hi), 590 "r" (asi)); 591 } else { 592 __asm __volatile("wr %3,%%g0,%%asi; sllx %2,32,%0; " 593 " or %0,%1,%0; lda [%0]%%asi,%0; wr %%g0, 0x82, %%asi" : "=&r" (_lda_v) : 594 "r" ((unsigned long)(loc)), 595 "r" (_loc_hi), "r" (asi)); 596 } 597 return (_lda_v); 598 } 599 600 /* load signed int from alternate address space */ 601 static __inline__ int 602 ldswa(paddr_t loc, int asi) 603 { 604 register int _lda_v, _loc_hi, _pstate; 605 606 _loc_hi = (((u_int64_t)loc)>>32); 607 if (PHYS_ASI(asi)) { 608 __asm __volatile("wr %4,%%g0,%%asi; rdpr %%pstate,%1;" 609 " wrpr %1,8,%%pstate; sllx %3,32,%0;" 610 " or %0,%2,%0; membar #Sync; ldswa [%0]%%asi,%0; wrpr %1,0,%%pstate; " 611 " membar #Sync; wr %%g0, 0x82, %%asi" : 612 "=&r" (_lda_v), "=&r" (_pstate) : 613 "r" ((unsigned long)(loc)), "r" (_loc_hi), 614 "r" (asi)); 615 } else { 616 __asm __volatile("wr %3,%%g0,%%asi; sllx %2,32,%0; " 617 " or %0,%1,%0; ldswa [%0]%%asi,%0; wr %%g0, 0x82, %%asi" : "=&r" (_lda_v) : 618 "r" ((unsigned long)(loc)), 619 "r" (_loc_hi), "r" (asi)); 620 } 621 return (_lda_v); 622 } 623 #endif /* __arch64__ */ 624 625 #ifdef __arch64__ 626 /* load 64-bit int from alternate address space -- these should never be used */ 627 static __inline__ u_int64_t 628 ldda(paddr_t loc, int asi) 629 { 630 register long long _lda_v; 631 632 __asm __volatile("wr %2,%%g0,%%asi; " 633 " ldda [%1]%%asi,%0; wr %%g0, 0x82, %%asi" : 634 "=r" (_lda_v) : 635 "r" ((unsigned long)(loc)), "r" (asi)); 636 return (_lda_v); 637 } 638 #else 639 /* load 64-bit int from alternate address space */ 640 static __inline__ u_int64_t 641 ldda(paddr_t loc, int asi) 642 { 643 register long long _lda_v, _loc_hi, _pstate; 644 645 _loc_hi = (((u_int64_t)loc)>>32); 646 if (PHYS_ASI(asi)) { 647 __asm __volatile("wr %4,%%g0,%%asi; rdpr %%pstate,%1;" 648 " wrpr %1,8,%%pstate; sllx %3,32,%0; or %0,%2,%0; membar #Sync;" 649 " ldda [%0]%%asi,%0; wrpr %1,0,%%pstate; membar #Sync; wr %%g0, 0x82, %%asi" : 650 "=&r" (_lda_v), "=&r" (_pstate) : 651 "r" ((unsigned long)(loc)), "r" (_loc_hi), 652 "r" (asi)); 653 } else { 654 __asm __volatile("wr %3,%%g0,%%asi; sllx %2,32,%0; " 655 " or %0,%1,%0; ldda [%0]%%asi,%0; wr %%g0, 0x82, %%asi" : "=&r" (_lda_v) : 656 "r" ((unsigned long)(loc)), "r" (_loc_hi), "r" (asi)); 657 } 658 return (_lda_v); 659 } 660 #endif 661 662 663 #ifdef __arch64__ 664 /* native load 64-bit int from alternate address space w/64-bit compiler*/ 665 static __inline__ u_int64_t 666 ldxa(paddr_t loc, int asi) 667 { 668 register unsigned long _lda_v; 669 670 __asm __volatile("wr %2,%%g0,%%asi; " 671 " ldxa [%1]%%asi,%0; wr %%g0, 0x82, %%asi" : 672 "=r" (_lda_v) : 673 "r" ((unsigned long)(loc)), "r" (asi)); 674 return (_lda_v); 675 } 676 #else 677 /* native load 64-bit int from alternate address space w/32-bit compiler*/ 678 static __inline__ u_int64_t 679 ldxa(paddr_t loc, int asi) 680 { 681 register unsigned long _ldxa_lo, _ldxa_hi, _loc_hi; 682 683 _loc_hi = (((u_int64_t)loc)>>32); 684 if (PHYS_ASI(asi)) { 685 __asm __volatile("wr %4,%%g0,%%asi; rdpr %%pstate,%1; " 686 " sllx %3,32,%0; wrpr %1,8,%%pstate; or %0,%2,%0; membar #Sync; " 687 " ldxa [%0]%%asi,%0; wrpr %1,0,%%pstate; membar #Sync; " 688 " srlx %0,32,%1; srl %0,0,%0; wr %%g0, 0x82, %%asi" : 689 "=&r" (_ldxa_lo), "=&r" (_ldxa_hi) : 690 "r" ((unsigned long)(loc)), "r" (_loc_hi), 691 "r" (asi)); 692 } else { 693 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 694 " or %0,%2,%0; ldxa [%0]%%asi,%0; srlx %0,32,%1; " 695 " srl %0,0,%0;; wr %%g0, 0x82, %%asi" : 696 "=&r" (_ldxa_lo), "=&r" (_ldxa_hi) : 697 "r" ((unsigned long)(loc)), "r" (_loc_hi), 698 "r" (asi)); 699 } 700 return ((((int64_t)_ldxa_hi)<<32)|_ldxa_lo); 701 } 702 #endif 703 704 /* store byte to alternate address space */ 705 #ifdef __arch64__ 706 static __inline__ void 707 stba(paddr_t loc, int asi, u_char value) 708 { 709 __asm __volatile("wr %2,%%g0,%%asi; stba %0,[%1]%%asi; " 710 " wr %%g0, 0x82, %%asi" : : 711 "r" ((int)(value)), "r" ((unsigned long)(loc)), 712 "r" (asi)); 713 } 714 #else 715 static __inline__ void 716 stba(paddr_t loc, int asi, u_char value) 717 { 718 register int _loc_hi, _pstate; 719 720 _loc_hi = (((u_int64_t)loc)>>32); 721 if (PHYS_ASI(asi)) { 722 __asm __volatile("wr %5,%%g0,%%asi; sllx %4,32,%0; " 723 " rdpr %%pstate,%1; or %3,%0,%0; wrpr %1,8,%%pstate; stba %2,[%0]%%asi; " 724 " wrpr %1,0,%%pstate; membar #Sync; wr %%g0, 0x82, %%asi" : 725 "=&r" (_loc_hi), "=&r" (_pstate) : 726 "r" ((int)(value)), "r" ((unsigned long)(loc)), 727 "r" (_loc_hi), "r" (asi)); 728 } else { 729 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 730 " or %2,%0,%0; stba %1,[%0]%%asi; wr %%g0, 0x82, %%asi" : "=&r" (_loc_hi) : 731 "r" ((int)(value)), "r" ((unsigned long)(loc)), 732 "r" (_loc_hi), "r" (asi)); 733 } 734 } 735 #endif 736 737 /* store half-word to alternate address space */ 738 #ifdef __arch64__ 739 static __inline__ void 740 stha(paddr_t loc, int asi, u_short value) 741 { 742 __asm __volatile("wr %2,%%g0,%%asi; stha %0,[%1]%%asi; " 743 " wr %%g0, 0x82, %%asi" : : 744 "r" ((int)(value)), "r" ((unsigned long)(loc)), 745 "r" (asi) : "memory"); 746 } 747 #else 748 static __inline__ void 749 stha(paddr_t loc, int asi, u_short value) 750 { 751 register int _loc_hi, _pstate; 752 753 _loc_hi = (((u_int64_t)loc)>>32); 754 if (PHYS_ASI(asi)) { 755 __asm __volatile("wr %5,%%g0,%%asi; sllx %4,32,%0; " 756 " rdpr %%pstate,%1; or %3,%0,%0; wrpr %1,8,%%pstate; stha %2,[%0]%%asi; " 757 " wrpr %1,0,%%pstate; membar #Sync; wr %%g0, 0x82, %%asi" : 758 "=&r" (_loc_hi), "=&r" (_pstate) : 759 "r" ((int)(value)), "r" ((unsigned long)(loc)), 760 "r" (_loc_hi), "r" (asi) : "memory"); 761 } else { 762 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 763 " or %2,%0,%0; stha %1,[%0]%%asi; wr %%g0, 0x82, %%asi" : "=&r" (_loc_hi) : 764 "r" ((int)(value)), "r" ((unsigned long)(loc)), 765 "r" (_loc_hi), "r" (asi) : "memory"); 766 } 767 } 768 #endif 769 770 771 /* store int to alternate address space */ 772 #ifdef __arch64__ 773 static __inline__ void 774 sta(paddr_t loc, int asi, u_int value) 775 { 776 __asm __volatile("wr %2,%%g0,%%asi; sta %0,[%1]%%asi; " 777 " wr %%g0, 0x82, %%asi" : : 778 "r" ((int)(value)), "r" ((unsigned long)(loc)), 779 "r" (asi) : "memory"); 780 } 781 #else 782 static __inline__ void 783 sta(paddr_t loc, int asi, u_int value) 784 { 785 register int _loc_hi, _pstate; 786 787 _loc_hi = (((u_int64_t)loc)>>32); 788 if (PHYS_ASI(asi)) { 789 __asm __volatile("wr %5,%%g0,%%asi; sllx %4,32,%0; " 790 " rdpr %%pstate,%1; or %3,%0,%0; wrpr %1,8,%%pstate; sta %2,[%0]%%asi; " 791 " wrpr %1,0,%%pstate; membar #Sync; wr %%g0, 0x82, %%asi" : 792 "=&r" (_loc_hi), "=&r" (_pstate) : 793 "r" ((int)(value)), "r" ((unsigned long)(loc)), 794 "r" (_loc_hi), "r" (asi) : "memory"); 795 } else { 796 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 797 " or %2,%0,%0; sta %1,[%0]%%asi; wr %%g0, 0x82, %%asi" : "=&r" (_loc_hi) : 798 "r" ((int)(value)), "r" ((unsigned long)(loc)), 799 "r" (_loc_hi), "r" (asi) : "memory"); 800 } 801 } 802 #endif 803 804 /* store 64-bit int to alternate address space */ 805 #ifdef __arch64__ 806 static __inline__ void 807 stda(paddr_t loc, int asi, u_int64_t value) 808 { 809 __asm __volatile("wr %2,%%g0,%%asi; stda %0,[%1]%%asi; " 810 " wr %%g0, 0x82, %%asi" : : 811 "r" ((long long)(value)), "r" ((unsigned long)(loc)), 812 "r" (asi) : "memory"); 813 } 814 #else 815 static __inline__ void 816 stda(paddr_t loc, int asi, u_int64_t value) 817 { 818 register int _loc_hi, _pstate; 819 820 _loc_hi = (((u_int64_t)loc)>>32); 821 if (PHYS_ASI(asi)) { 822 __asm __volatile("wr %5,%%g0,%%asi; sllx %4,32,%0; " 823 " rdpr %%pstate,%1; or %3,%0,%0; wrpr %1,8,%%pstate; stda %2,[%0]%%asi; " 824 " wrpr %1,0,%%pstate; membar #Sync; wr %%g0, 0x82, %%asi" : 825 "=&r" (_loc_hi), "=&r" (_pstate) : 826 "r" ((long long)(value)), "r" ((unsigned long)(loc)), 827 "r" (_loc_hi), "r" (asi) : "memory"); 828 } else { 829 __asm __volatile("wr %4,%%g0,%%asi; sllx %3,32,%0; " 830 " or %2,%0,%0; stda %1,[%0]%%asi; wr %%g0, 0x82, %%asi" : 831 "=&r" (_loc_hi) : 832 "r" ((long long)(value)), "r" ((unsigned long)(loc)), 833 "r" (_loc_hi), "r" (asi) : "memory"); 834 } 835 } 836 #endif 837 838 #ifdef __arch64__ 839 /* native store 64-bit int to alternate address space w/64-bit compiler*/ 840 static __inline__ void 841 stxa(paddr_t loc, int asi, u_int64_t value) 842 { 843 __asm __volatile("wr %2,%%g0,%%asi; stxa %0,[%1]%%asi; " 844 " wr %%g0, 0x82, %%asi" : : 845 "r" ((unsigned long)(value)), 846 "r" ((unsigned long)(loc)), "r" (asi) : "memory"); 847 } 848 #else 849 /* native store 64-bit int to alternate address space w/32-bit compiler*/ 850 static __inline__ void 851 stxa(paddr_t loc, int asi, u_int64_t value) 852 { 853 int _stxa_lo, _stxa_hi, _loc_hi; 854 855 _stxa_lo = value; 856 _stxa_hi = ((u_int64_t)value)>>32; 857 _loc_hi = (((u_int64_t)(u_long)loc)>>32); 858 859 if (PHYS_ASI(asi)) { 860 __asm __volatile("wr %7,%%g0,%%asi; sllx %4,32,%1; " 861 " sllx %6,32,%0; or %1,%3,%1; rdpr %%pstate,%2; or %0,%5,%0; " 862 " wrpr %2,8,%%pstate; stxa %1,[%0]%%asi; wrpr %2,0,%%pstate; " 863 " membar #Sync; wr %%g0, 0x82, %%asi" : 864 "=&r" (_loc_hi), "=&r" (_stxa_hi), 865 "=&r" ((int)(_stxa_lo)) : 866 "r" ((int)(_stxa_lo)), "r" ((int)(_stxa_hi)), 867 "r" ((unsigned long)(loc)), "r" (_loc_hi), 868 "r" (asi) : "memory"); 869 } else { 870 __asm __volatile("wr %6,%%g0,%%asi; sllx %3,32,%1; sllx %5,32,%0; " 871 " or %1,%2,%1; or %0,%4,%0; stxa %1,[%0]%%asi; wr %%g0, 0x82, %%asi" : 872 "=&r" (_loc_hi), "=&r" (_stxa_hi) : 873 "r" ((int)(_stxa_lo)), "r" ((int)(_stxa_hi)), 874 "r" ((unsigned long)(loc)), "r" (_loc_hi), 875 "r" (asi) : "memory"); 876 } 877 } 878 #endif 879 880 #if 0 881 #ifdef __arch64__ 882 /* native store 64-bit int to alternate address space w/64-bit compiler*/ 883 static __inline__ u_int64_t 884 casxa(paddr_t loc, int asi, u_int64_t value, u_int64_t oldvalue) 885 { 886 __asm __volatile("wr %3,%%g0,%%asi; casxa [%1]%%asi,%2,%0; " 887 " wr %%g0, 0x82, %%asi" : 888 "+r" (value) : 889 "r" ((unsigned long)(loc)), "r" (oldvalue), "r" (asi) : 890 "memory"); 891 return (value); 892 } 893 #else 894 /* native store 64-bit int to alternate address space w/32-bit compiler*/ 895 static __inline__ u_int64_t 896 casxa(paddr_t loc, int asi, u_int64_t value, u_int64_t oldvalue) 897 { 898 int _casxa_lo, _casxa_hi, _loc_hi, _oval_hi; 899 900 _casxa_lo = value; 901 _casxa_hi = ((u_int64_t)value)>>32; 902 _oval_hi = ((u_int64_t)oldvalue)>>32; 903 _loc_hi = (((u_int64_t)(u_long)loc)>>32); 904 905 #ifdef __notyet 906 /* 907 * gcc cannot handle this since it thinks it has >10 asm operands. 908 */ 909 if (PHYS_ASI(asi)) { 910 __asm __volatile("wr %6,%%g0,%%asi; sllx %1,32,%1; rdpr %%pstate,%2; " 911 " sllx %0,32,%0; or %1,%2,%1; sllx %3,32,%3; or %0,%4,%0; or %3,%5,%3; " 912 " wrpr %2,8,%%pstate; casxa [%0]%%asi,%3,%1; wrpr %2,0,%%pstate; " 913 " andn %0,0x1f,%3; membar #Sync; " 914 " sll %1,0,%2; srax %1,32,%1; wr %%g0, 0x82, %%asi " : 915 "+r" (_loc_hi), "+r" (_casxa_hi), 916 "+r" (_casxa_lo), "+r" (_oval_hi) : 917 "r" ((unsigned long)(loc)), 918 "r" ((unsigned int)(oldvalue)), 919 "r" (asi)); 920 } else { 921 __asm __volatile("wr %7,%%g0,%%asi; sllx %1,32,%1; sllx %5,32,%0; " 922 " or %1,%2,%1; sllx %3,32,%2; or %0,%4,%0; or %2,%4,%2; " 923 " casxa [%0]%%asi,%2,%1; sll %1,0,%2; srax %o1,32,%o1; wr %%g0, 0x82, %%asi " : 924 "=&r" (_loc_hi), "+r" (_casxa_hi), "+r" (_casxa_lo) : 925 "r" ((int)(_oval_hi)), "r" ((int)(oldvalue)), 926 "r" ((unsigned long)(loc)), "r" (_loc_hi), 927 "r" (asi) : "memory"); 928 } 929 #endif 930 return (((u_int64_t)_casxa_hi<<32)|(u_int64_t)_casxa_lo); 931 } 932 #endif 933 #endif /* 0 */ 934 935 936 937 /* flush address from data cache */ 938 #define flush(loc) ({ \ 939 __asm __volatile("flush %0" : : \ 940 "r" ((unsigned long)(loc))); \ 941 }) 942 943 /* Flush a D$ line */ 944 #if 0 945 #define flushline(loc) ({ \ 946 stxa(((paddr_t)loc)&(~0x1f), (ASI_DCACHE_TAG), 0); \ 947 membar_sync(); \ 948 }) 949 #else 950 #define flushline(loc) 951 #endif 952 953 /* The following two enable or disable the dcache in the LSU control register */ 954 #define dcenable() ({ \ 955 int res; \ 956 __asm __volatile("ldxa [%%g0] %1,%0; or %0,%2,%0; stxa %0,[%%g0] %1; membar #Sync" \ 957 : "r" (res) : "n" (ASI_MCCR), "n" (MCCR_DCACHE_EN)); \ 958 }) 959 #define dcdisable() ({ \ 960 int res; \ 961 __asm __volatile("ldxa [%%g0] %1,%0; andn %0,%2,%0; stxa %0,[%%g0] %1; membar #Sync" \ 962 : "r" (res) : "n" (ASI_MCCR), "n" (MCCR_DCACHE_EN)); \ 963 }) 964 965 /* 966 * SPARC V9 memory barrier instructions. 967 */ 968 /* Make all stores complete before next store */ 969 #define membar_storestore() __asm __volatile("membar #StoreStore" : :) 970 /* Make all loads complete before next store */ 971 #define membar_loadstore() __asm __volatile("membar #LoadStore" : :) 972 /* Make all stores complete before next load */ 973 #define membar_storeload() __asm __volatile("membar #StoreLoad" : :) 974 /* Make all loads complete before next load */ 975 #define membar_loadload() __asm __volatile("membar #LoadLoad" : :) 976 /* Complete all outstanding memory operations and exceptions */ 977 #define membar_sync() __asm __volatile("membar #Sync" : :) 978 /* Complete all outstanding memory operations */ 979 #define membar_memissue() __asm __volatile("membar #MemIssue" : :) 980 /* Complete all outstanding stores before any new loads */ 981 #define membar_lookaside() __asm __volatile("membar #Lookaside" : :) 982 983 #ifdef __arch64__ 984 /* read 64-bit %tick register */ 985 #define tick() ({ \ 986 register u_long _tick_tmp; \ 987 __asm __volatile("rdpr %%tick, %0" : "=r" (_tick_tmp) :); \ 988 _tick_tmp; \ 989 }) 990 #else 991 /* read 64-bit %tick register on 32-bit system */ 992 #define tick() ({ \ 993 register u_int _tick_hi = 0, _tick_lo = 0; \ 994 __asm __volatile("rdpr %%tick, %0; srl %0,0,%1; srlx %0,32,%0 " \ 995 : "=r" (_tick_hi), "=r" (_tick_lo) : ); \ 996 (((u_int64_t)_tick_hi)<<32)|((u_int64_t)_tick_lo); \ 997 }) 998 #endif 999 1000 extern void next_tick __P((long)); 1001 #endif 1002