projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| 6 | * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle | |
| 7 | * Copyright (C) 2000 Silicon Graphics, Inc. | |
| 8 | * Modified for further R[236]000 support by Paul M. Antoine, 1996. | |
| 9 | * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com | |
| a3692020 | 10 | * Copyright (C) 2000, 07 MIPS Technologies, Inc. |
| 4194318c | 11 | * Copyright (C) 2003, 2004 Maciej W. Rozycki |
| 1da177e4 LT |
12 | */ |
| 13 | #ifndef _ASM_MIPSREGS_H | |
| 14 | #define _ASM_MIPSREGS_H | |
| 15 | ||
| 1da177e4 | 16 | #include <linux/linkage.h> |
| 87c99203 | 17 | #include <linux/types.h> |
| 1da177e4 | 18 | #include <asm/hazards.h> |
| 9267a30d | 19 | #include <asm/war.h> |
| 1da177e4 LT |
20 | |
| 21 | /* | |
| 22 | * The following macros are especially useful for __asm__ | |
| 23 | * inline assembler. | |
| 24 | */ | |
| 25 | #ifndef __STR | |
| 26 | #define __STR(x) #x | |
| 27 | #endif | |
| 28 | #ifndef STR | |
| 29 | #define STR(x) __STR(x) | |
| 30 | #endif | |
| 31 | ||
| 32 | /* | |
| 33 | * Configure language | |
| 34 | */ | |
| 35 | #ifdef __ASSEMBLY__ | |
| 36 | #define _ULCAST_ | |
| 37 | #else | |
| 38 | #define _ULCAST_ (unsigned long) | |
| 39 | #endif | |
| 40 | ||
| 41 | /* | |
| 42 | * Coprocessor 0 register names | |
| 43 | */ | |
| 44 | #define CP0_INDEX $0 | |
| 45 | #define CP0_RANDOM $1 | |
| 46 | #define CP0_ENTRYLO0 $2 | |
| 47 | #define CP0_ENTRYLO1 $3 | |
| 48 | #define CP0_CONF $3 | |
| 49 | #define CP0_CONTEXT $4 | |
| 50 | #define CP0_PAGEMASK $5 | |
| 51 | #define CP0_WIRED $6 | |
| 52 | #define CP0_INFO $7 | |
| 195cee92 | 53 | #define CP0_HWRENA $7, 0 |
| 1da177e4 | 54 | #define CP0_BADVADDR $8 |
| 609cf6f2 | 55 | #define CP0_BADINSTR $8, 1 |
| 1da177e4 LT |
56 | #define CP0_COUNT $9 |
| 57 | #define CP0_ENTRYHI $10 | |
| 58 | #define CP0_COMPARE $11 | |
| 59 | #define CP0_STATUS $12 | |
| 60 | #define CP0_CAUSE $13 | |
| 61 | #define CP0_EPC $14 | |
| 62 | #define CP0_PRID $15 | |
| 609cf6f2 PB |
63 | #define CP0_EBASE $15, 1 |
| 64 | #define CP0_CMGCRBASE $15, 3 | |
| 1da177e4 | 65 | #define CP0_CONFIG $16 |
| 195cee92 JH |
66 | #define CP0_CONFIG3 $16, 3 |
| 67 | #define CP0_CONFIG5 $16, 5 | |
| 1da177e4 LT |
68 | #define CP0_LLADDR $17 |
| 69 | #define CP0_WATCHLO $18 | |
| 70 | #define CP0_WATCHHI $19 | |
| 71 | #define CP0_XCONTEXT $20 | |
| 72 | #define CP0_FRAMEMASK $21 | |
| 73 | #define CP0_DIAGNOSTIC $22 | |
| 74 | #define CP0_DEBUG $23 | |
| 75 | #define CP0_DEPC $24 | |
| 76 | #define CP0_PERFORMANCE $25 | |
| 77 | #define CP0_ECC $26 | |
| 78 | #define CP0_CACHEERR $27 | |
| 79 | #define CP0_TAGLO $28 | |
| 80 | #define CP0_TAGHI $29 | |
| 81 | #define CP0_ERROREPC $30 | |
| 82 | #define CP0_DESAVE $31 | |
| 83 | ||
| 84 | /* | |
| 85 | * R4640/R4650 cp0 register names. These registers are listed | |
| 86 | * here only for completeness; without MMU these CPUs are not useable | |
| 87 | * by Linux. A future ELKS port might take make Linux run on them | |
| 88 | * though ... | |
| 89 | */ | |
| 90 | #define CP0_IBASE $0 | |
| 91 | #define CP0_IBOUND $1 | |
| 92 | #define CP0_DBASE $2 | |
| 93 | #define CP0_DBOUND $3 | |
| 94 | #define CP0_CALG $17 | |
| 95 | #define CP0_IWATCH $18 | |
| 96 | #define CP0_DWATCH $19 | |
| 97 | ||
| 98 | /* | |
| 99 | * Coprocessor 0 Set 1 register names | |
| 100 | */ | |
| 101 | #define CP0_S1_DERRADDR0 $26 | |
| 102 | #define CP0_S1_DERRADDR1 $27 | |
| 103 | #define CP0_S1_INTCONTROL $20 | |
| 104 | ||
| 7a0fc58c RB |
105 | /* |
| 106 | * Coprocessor 0 Set 2 register names | |
| 107 | */ | |
| 108 | #define CP0_S2_SRSCTL $12 /* MIPSR2 */ | |
| 109 | ||
| 110 | /* | |
| 111 | * Coprocessor 0 Set 3 register names | |
| 112 | */ | |
| 113 | #define CP0_S3_SRSMAP $12 /* MIPSR2 */ | |
| 114 | ||
| 1da177e4 LT |
115 | /* |
| 116 | * TX39 Series | |
| 117 | */ | |
| 118 | #define CP0_TX39_CACHE $7 | |
| 119 | ||
| 1da177e4 | 120 | |
| bae637a2 JH |
121 | /* Generic EntryLo bit definitions */ |
| 122 | #define ENTRYLO_G (_ULCAST_(1) << 0) | |
| 123 | #define ENTRYLO_V (_ULCAST_(1) << 1) | |
| 124 | #define ENTRYLO_D (_ULCAST_(1) << 2) | |
| 125 | #define ENTRYLO_C_SHIFT 3 | |
| 126 | #define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT) | |
| 127 | ||
| 128 | /* R3000 EntryLo bit definitions */ | |
| 129 | #define R3K_ENTRYLO_G (_ULCAST_(1) << 8) | |
| 130 | #define R3K_ENTRYLO_V (_ULCAST_(1) << 9) | |
| 131 | #define R3K_ENTRYLO_D (_ULCAST_(1) << 10) | |
| 132 | #define R3K_ENTRYLO_N (_ULCAST_(1) << 11) | |
| 133 | ||
| 134 | /* MIPS32/64 EntryLo bit definitions */ | |
| c6956728 PB |
135 | #define MIPS_ENTRYLO_PFN_SHIFT 6 |
| 136 | #define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2)) | |
| 137 | #define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1)) | |
| bae637a2 | 138 | |
| 1da177e4 LT |
139 | /* |
| 140 | * Values for PageMask register | |
| 141 | */ | |
| 142 | #ifdef CONFIG_CPU_VR41XX | |
| 143 | ||
| 144 | /* Why doesn't stupidity hurt ... */ | |
| 145 | ||
| 146 | #define PM_1K 0x00000000 | |
| 147 | #define PM_4K 0x00001800 | |
| 148 | #define PM_16K 0x00007800 | |
| 149 | #define PM_64K 0x0001f800 | |
| 150 | #define PM_256K 0x0007f800 | |
| 151 | ||
| 152 | #else | |
| 153 | ||
| 154 | #define PM_4K 0x00000000 | |
| c52399be | 155 | #define PM_8K 0x00002000 |
| 1da177e4 | 156 | #define PM_16K 0x00006000 |
| c52399be | 157 | #define PM_32K 0x0000e000 |
| 1da177e4 | 158 | #define PM_64K 0x0001e000 |
| c52399be | 159 | #define PM_128K 0x0003e000 |
| 1da177e4 | 160 | #define PM_256K 0x0007e000 |
| c52399be | 161 | #define PM_512K 0x000fe000 |
| 1da177e4 | 162 | #define PM_1M 0x001fe000 |
| c52399be | 163 | #define PM_2M 0x003fe000 |
| 1da177e4 | 164 | #define PM_4M 0x007fe000 |
| c52399be | 165 | #define PM_8M 0x00ffe000 |
| 1da177e4 | 166 | #define PM_16M 0x01ffe000 |
| c52399be | 167 | #define PM_32M 0x03ffe000 |
| 1da177e4 LT |
168 | #define PM_64M 0x07ffe000 |
| 169 | #define PM_256M 0x1fffe000 | |
| 542c1020 | 170 | #define PM_1G 0x7fffe000 |
| 1da177e4 LT |
171 | |
| 172 | #endif | |
| 173 | ||
| 174 | /* | |
| 175 | * Default page size for a given kernel configuration | |
| 176 | */ | |
| 177 | #ifdef CONFIG_PAGE_SIZE_4KB | |
| 70342287 | 178 | #define PM_DEFAULT_MASK PM_4K |
| c52399be | 179 | #elif defined(CONFIG_PAGE_SIZE_8KB) |
| 70342287 | 180 | #define PM_DEFAULT_MASK PM_8K |
| 1da177e4 | 181 | #elif defined(CONFIG_PAGE_SIZE_16KB) |
| 70342287 | 182 | #define PM_DEFAULT_MASK PM_16K |
| c52399be | 183 | #elif defined(CONFIG_PAGE_SIZE_32KB) |
| 70342287 | 184 | #define PM_DEFAULT_MASK PM_32K |
| 1da177e4 | 185 | #elif defined(CONFIG_PAGE_SIZE_64KB) |
| 70342287 | 186 | #define PM_DEFAULT_MASK PM_64K |
| 1da177e4 LT |
187 | #else |
| 188 | #error Bad page size configuration! | |
| 189 | #endif | |
| 190 | ||
| dd794392 DD |
191 | /* |
| 192 | * Default huge tlb size for a given kernel configuration | |
| 193 | */ | |
| 194 | #ifdef CONFIG_PAGE_SIZE_4KB | |
| 195 | #define PM_HUGE_MASK PM_1M | |
| 196 | #elif defined(CONFIG_PAGE_SIZE_8KB) | |
| 197 | #define PM_HUGE_MASK PM_4M | |
| 198 | #elif defined(CONFIG_PAGE_SIZE_16KB) | |
| 199 | #define PM_HUGE_MASK PM_16M | |
| 200 | #elif defined(CONFIG_PAGE_SIZE_32KB) | |
| 201 | #define PM_HUGE_MASK PM_64M | |
| 202 | #elif defined(CONFIG_PAGE_SIZE_64KB) | |
| 203 | #define PM_HUGE_MASK PM_256M | |
| aa1762f4 | 204 | #elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) |
| dd794392 DD |
205 | #error Bad page size configuration for hugetlbfs! |
| 206 | #endif | |
| 1da177e4 LT |
207 | |
| 208 | /* | |
| 209 | * Values used for computation of new tlb entries | |
| 210 | */ | |
| 211 | #define PL_4K 12 | |
| 212 | #define PL_16K 14 | |
| 213 | #define PL_64K 16 | |
| 214 | #define PL_256K 18 | |
| 215 | #define PL_1M 20 | |
| 216 | #define PL_4M 22 | |
| 217 | #define PL_16M 24 | |
| 218 | #define PL_64M 26 | |
| 219 | #define PL_256M 28 | |
| 220 | ||
| 9fe2e9d6 DD |
221 | /* |
| 222 | * PageGrain bits | |
| 223 | */ | |
| 70342287 RB |
224 | #define PG_RIE (_ULCAST_(1) << 31) |
| 225 | #define PG_XIE (_ULCAST_(1) << 30) | |
| 226 | #define PG_ELPA (_ULCAST_(1) << 29) | |
| 227 | #define PG_ESP (_ULCAST_(1) << 28) | |
| 6575b1d4 | 228 | #define PG_IEC (_ULCAST_(1) << 27) |
| 9fe2e9d6 | 229 | |
| bae637a2 JH |
230 | /* MIPS32/64 EntryHI bit definitions */ |
| 231 | #define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10) | |
| 232 | ||
| 1da177e4 LT |
233 | /* |
| 234 | * R4x00 interrupt enable / cause bits | |
| 235 | */ | |
| 70342287 RB |
236 | #define IE_SW0 (_ULCAST_(1) << 8) |
| 237 | #define IE_SW1 (_ULCAST_(1) << 9) | |
| 238 | #define IE_IRQ0 (_ULCAST_(1) << 10) | |
| 239 | #define IE_IRQ1 (_ULCAST_(1) << 11) | |
| 240 | #define IE_IRQ2 (_ULCAST_(1) << 12) | |
| 241 | #define IE_IRQ3 (_ULCAST_(1) << 13) | |
| 242 | #define IE_IRQ4 (_ULCAST_(1) << 14) | |
| 243 | #define IE_IRQ5 (_ULCAST_(1) << 15) | |
| 1da177e4 LT |
244 | |
| 245 | /* | |
| 246 | * R4x00 interrupt cause bits | |
| 247 | */ | |
| 70342287 RB |
248 | #define C_SW0 (_ULCAST_(1) << 8) |
| 249 | #define C_SW1 (_ULCAST_(1) << 9) | |
| 250 | #define C_IRQ0 (_ULCAST_(1) << 10) | |
| 251 | #define C_IRQ1 (_ULCAST_(1) << 11) | |
| 252 | #define C_IRQ2 (_ULCAST_(1) << 12) | |
| 253 | #define C_IRQ3 (_ULCAST_(1) << 13) | |
| 254 | #define C_IRQ4 (_ULCAST_(1) << 14) | |
| 255 | #define C_IRQ5 (_ULCAST_(1) << 15) | |
| 1da177e4 LT |
256 | |
| 257 | /* | |
| 258 | * Bitfields in the R4xx0 cp0 status register | |
| 259 | */ | |
| 260 | #define ST0_IE 0x00000001 | |
| 261 | #define ST0_EXL 0x00000002 | |
| 262 | #define ST0_ERL 0x00000004 | |
| 263 | #define ST0_KSU 0x00000018 | |
| 264 | # define KSU_USER 0x00000010 | |
| 265 | # define KSU_SUPERVISOR 0x00000008 | |
| 266 | # define KSU_KERNEL 0x00000000 | |
| 267 | #define ST0_UX 0x00000020 | |
| 268 | #define ST0_SX 0x00000040 | |
| 70342287 | 269 | #define ST0_KX 0x00000080 |
| 1da177e4 LT |
270 | #define ST0_DE 0x00010000 |
| 271 | #define ST0_CE 0x00020000 | |
| 272 | ||
| 273 | /* | |
| 274 | * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate | |
| 275 | * cacheops in userspace. This bit exists only on RM7000 and RM9000 | |
| 276 | * processors. | |
| 277 | */ | |
| 278 | #define ST0_CO 0x08000000 | |
| 279 | ||
| 280 | /* | |
| 281 | * Bitfields in the R[23]000 cp0 status register. | |
| 282 | */ | |
| 70342287 | 283 | #define ST0_IEC 0x00000001 |
| 1da177e4 LT |
284 | #define ST0_KUC 0x00000002 |
| 285 | #define ST0_IEP 0x00000004 | |
| 286 | #define ST0_KUP 0x00000008 | |
| 287 | #define ST0_IEO 0x00000010 | |
| 288 | #define ST0_KUO 0x00000020 | |
| 289 | /* bits 6 & 7 are reserved on R[23]000 */ | |
| 290 | #define ST0_ISC 0x00010000 | |
| 291 | #define ST0_SWC 0x00020000 | |
| 292 | #define ST0_CM 0x00080000 | |
| 293 | ||
| 294 | /* | |
| 295 | * Bits specific to the R4640/R4650 | |
| 296 | */ | |
| 70342287 | 297 | #define ST0_UM (_ULCAST_(1) << 4) |
| 1da177e4 LT |
298 | #define ST0_IL (_ULCAST_(1) << 23) |
| 299 | #define ST0_DL (_ULCAST_(1) << 24) | |
| 300 | ||
| e50c0a8f | 301 | /* |
| 3301edcb | 302 | * Enable the MIPS MDMX and DSP ASEs |
| e50c0a8f RB |
303 | */ |
| 304 | #define ST0_MX 0x01000000 | |
| 305 | ||
| 1da177e4 LT |
306 | /* |
| 307 | * Status register bits available in all MIPS CPUs. | |
| 308 | */ | |
| 309 | #define ST0_IM 0x0000ff00 | |
| 70342287 RB |
310 | #define STATUSB_IP0 8 |
| 311 | #define STATUSF_IP0 (_ULCAST_(1) << 8) | |
| 312 | #define STATUSB_IP1 9 | |
| 313 | #define STATUSF_IP1 (_ULCAST_(1) << 9) | |
| 314 | #define STATUSB_IP2 10 | |
| 315 | #define STATUSF_IP2 (_ULCAST_(1) << 10) | |
| 316 | #define STATUSB_IP3 11 | |
| 317 | #define STATUSF_IP3 (_ULCAST_(1) << 11) | |
| 318 | #define STATUSB_IP4 12 | |
| 319 | #define STATUSF_IP4 (_ULCAST_(1) << 12) | |
| 320 | #define STATUSB_IP5 13 | |
| 321 | #define STATUSF_IP5 (_ULCAST_(1) << 13) | |
| 322 | #define STATUSB_IP6 14 | |
| 323 | #define STATUSF_IP6 (_ULCAST_(1) << 14) | |
| 324 | #define STATUSB_IP7 15 | |
| 325 | #define STATUSF_IP7 (_ULCAST_(1) << 15) | |
| 326 | #define STATUSB_IP8 0 | |
| 327 | #define STATUSF_IP8 (_ULCAST_(1) << 0) | |
| 328 | #define STATUSB_IP9 1 | |
| 329 | #define STATUSF_IP9 (_ULCAST_(1) << 1) | |
| 330 | #define STATUSB_IP10 2 | |
| 331 | #define STATUSF_IP10 (_ULCAST_(1) << 2) | |
| 332 | #define STATUSB_IP11 3 | |
| 333 | #define STATUSF_IP11 (_ULCAST_(1) << 3) | |
| 334 | #define STATUSB_IP12 4 | |
| 335 | #define STATUSF_IP12 (_ULCAST_(1) << 4) | |
| 336 | #define STATUSB_IP13 5 | |
| 337 | #define STATUSF_IP13 (_ULCAST_(1) << 5) | |
| 338 | #define STATUSB_IP14 6 | |
| 339 | #define STATUSF_IP14 (_ULCAST_(1) << 6) | |
| 340 | #define STATUSB_IP15 7 | |
| 341 | #define STATUSF_IP15 (_ULCAST_(1) << 7) | |
| 1da177e4 | 342 | #define ST0_CH 0x00040000 |
| 96ffa02d | 343 | #define ST0_NMI 0x00080000 |
| 1da177e4 LT |
344 | #define ST0_SR 0x00100000 |
| 345 | #define ST0_TS 0x00200000 | |
| 346 | #define ST0_BEV 0x00400000 | |
| 347 | #define ST0_RE 0x02000000 | |
| 348 | #define ST0_FR 0x04000000 | |
| 349 | #define ST0_CU 0xf0000000 | |
| 350 | #define ST0_CU0 0x10000000 | |
| 351 | #define ST0_CU1 0x20000000 | |
| 352 | #define ST0_CU2 0x40000000 | |
| 353 | #define ST0_CU3 0x80000000 | |
| 354 | #define ST0_XX 0x80000000 /* MIPS IV naming */ | |
| 355 | ||
| 010c108d DV |
356 | /* |
| 357 | * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2) | |
| 010c108d | 358 | */ |
| 9323f84f JH |
359 | #define INTCTLB_IPFDC 23 |
| 360 | #define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC) | |
| 010c108d DV |
361 | #define INTCTLB_IPPCI 26 |
| 362 | #define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI) | |
| 363 | #define INTCTLB_IPTI 29 | |
| 364 | #define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI) | |
| 365 | ||
| 1da177e4 LT |
366 | /* |
| 367 | * Bitfields and bit numbers in the coprocessor 0 cause register. | |
| 368 | * | |
| 369 | * Refer to your MIPS R4xx0 manual, chapter 5 for explanation. | |
| 370 | */ | |
| 1054533a MR |
371 | #define CAUSEB_EXCCODE 2 |
| 372 | #define CAUSEF_EXCCODE (_ULCAST_(31) << 2) | |
| 373 | #define CAUSEB_IP 8 | |
| 374 | #define CAUSEF_IP (_ULCAST_(255) << 8) | |
| 70342287 RB |
375 | #define CAUSEB_IP0 8 |
| 376 | #define CAUSEF_IP0 (_ULCAST_(1) << 8) | |
| 377 | #define CAUSEB_IP1 9 | |
| 378 | #define CAUSEF_IP1 (_ULCAST_(1) << 9) | |
| 379 | #define CAUSEB_IP2 10 | |
| 380 | #define CAUSEF_IP2 (_ULCAST_(1) << 10) | |
| 381 | #define CAUSEB_IP3 11 | |
| 382 | #define CAUSEF_IP3 (_ULCAST_(1) << 11) | |
| 383 | #define CAUSEB_IP4 12 | |
| 384 | #define CAUSEF_IP4 (_ULCAST_(1) << 12) | |
| 385 | #define CAUSEB_IP5 13 | |
| 386 | #define CAUSEF_IP5 (_ULCAST_(1) << 13) | |
| 387 | #define CAUSEB_IP6 14 | |
| 388 | #define CAUSEF_IP6 (_ULCAST_(1) << 14) | |
| 389 | #define CAUSEB_IP7 15 | |
| 390 | #define CAUSEF_IP7 (_ULCAST_(1) << 15) | |
| 1054533a MR |
391 | #define CAUSEB_FDCI 21 |
| 392 | #define CAUSEF_FDCI (_ULCAST_(1) << 21) | |
| e233c733 JH |
393 | #define CAUSEB_WP 22 |
| 394 | #define CAUSEF_WP (_ULCAST_(1) << 22) | |
| 1054533a MR |
395 | #define CAUSEB_IV 23 |
| 396 | #define CAUSEF_IV (_ULCAST_(1) << 23) | |
| 397 | #define CAUSEB_PCI 26 | |
| 398 | #define CAUSEF_PCI (_ULCAST_(1) << 26) | |
| 9fd4af63 JH |
399 | #define CAUSEB_DC 27 |
| 400 | #define CAUSEF_DC (_ULCAST_(1) << 27) | |
| 1054533a MR |
401 | #define CAUSEB_CE 28 |
| 402 | #define CAUSEF_CE (_ULCAST_(3) << 28) | |
| 403 | #define CAUSEB_TI 30 | |
| 404 | #define CAUSEF_TI (_ULCAST_(1) << 30) | |
| 405 | #define CAUSEB_BD 31 | |
| 406 | #define CAUSEF_BD (_ULCAST_(1) << 31) | |
| 1da177e4 | 407 | |
| 16d100db JH |
408 | /* |
| 409 | * Cause.ExcCode trap codes. | |
| 410 | */ | |
| 411 | #define EXCCODE_INT 0 /* Interrupt pending */ | |
| 412 | #define EXCCODE_MOD 1 /* TLB modified fault */ | |
| 413 | #define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */ | |
| 414 | #define EXCCODE_TLBS 3 /* TLB miss on a store */ | |
| 415 | #define EXCCODE_ADEL 4 /* Address error on a load or ifetch */ | |
| 416 | #define EXCCODE_ADES 5 /* Address error on a store */ | |
| 417 | #define EXCCODE_IBE 6 /* Bus error on an ifetch */ | |
| 418 | #define EXCCODE_DBE 7 /* Bus error on a load or store */ | |
| 419 | #define EXCCODE_SYS 8 /* System call */ | |
| 420 | #define EXCCODE_BP 9 /* Breakpoint */ | |
| 421 | #define EXCCODE_RI 10 /* Reserved instruction exception */ | |
| 422 | #define EXCCODE_CPU 11 /* Coprocessor unusable */ | |
| 423 | #define EXCCODE_OV 12 /* Arithmetic overflow */ | |
| 424 | #define EXCCODE_TR 13 /* Trap instruction */ | |
| 16d100db JH |
425 | #define EXCCODE_MSAFPE 14 /* MSA floating point exception */ |
| 426 | #define EXCCODE_FPE 15 /* Floating point exception */ | |
| 044c9bb8 JH |
427 | #define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */ |
| 428 | #define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */ | |
| 16d100db | 429 | #define EXCCODE_MSADIS 21 /* MSA disabled exception */ |
| 044c9bb8 | 430 | #define EXCCODE_MDMX 22 /* MDMX unusable exception */ |
| 16d100db | 431 | #define EXCCODE_WATCH 23 /* Watch address reference */ |
| 044c9bb8 JH |
432 | #define EXCCODE_MCHECK 24 /* Machine check */ |
| 433 | #define EXCCODE_THREAD 25 /* Thread exceptions (MT) */ | |
| 434 | #define EXCCODE_DSPDIS 26 /* DSP disabled exception */ | |
| 435 | #define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */ | |
| 436 | ||
| 437 | /* Implementation specific trap codes used by MIPS cores */ | |
| 438 | #define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */ | |
| 16d100db | 439 | |
| 1da177e4 LT |
440 | /* |
| 441 | * Bits in the coprocessor 0 config register. | |
| 442 | */ | |
| 443 | /* Generic bits. */ | |
| 444 | #define CONF_CM_CACHABLE_NO_WA 0 | |
| 445 | #define CONF_CM_CACHABLE_WA 1 | |
| 446 | #define CONF_CM_UNCACHED 2 | |
| 447 | #define CONF_CM_CACHABLE_NONCOHERENT 3 | |
| 448 | #define CONF_CM_CACHABLE_CE 4 | |
| 449 | #define CONF_CM_CACHABLE_COW 5 | |
| 450 | #define CONF_CM_CACHABLE_CUW 6 | |
| 451 | #define CONF_CM_CACHABLE_ACCELERATED 7 | |
| 452 | #define CONF_CM_CMASK 7 | |
| 453 | #define CONF_BE (_ULCAST_(1) << 15) | |
| 454 | ||
| 455 | /* Bits common to various processors. */ | |
| 70342287 RB |
456 | #define CONF_CU (_ULCAST_(1) << 3) |
| 457 | #define CONF_DB (_ULCAST_(1) << 4) | |
| 458 | #define CONF_IB (_ULCAST_(1) << 5) | |
| 459 | #define CONF_DC (_ULCAST_(7) << 6) | |
| 460 | #define CONF_IC (_ULCAST_(7) << 9) | |
| 1da177e4 LT |
461 | #define CONF_EB (_ULCAST_(1) << 13) |
| 462 | #define CONF_EM (_ULCAST_(1) << 14) | |
| 463 | #define CONF_SM (_ULCAST_(1) << 16) | |
| 464 | #define CONF_SC (_ULCAST_(1) << 17) | |
| 465 | #define CONF_EW (_ULCAST_(3) << 18) | |
| 466 | #define CONF_EP (_ULCAST_(15)<< 24) | |
| 467 | #define CONF_EC (_ULCAST_(7) << 28) | |
| 468 | #define CONF_CM (_ULCAST_(1) << 31) | |
| 469 | ||
| 70342287 | 470 | /* Bits specific to the R4xx0. */ |
| 1da177e4 LT |
471 | #define R4K_CONF_SW (_ULCAST_(1) << 20) |
| 472 | #define R4K_CONF_SS (_ULCAST_(1) << 21) | |
| e20368d5 | 473 | #define R4K_CONF_SB (_ULCAST_(3) << 22) |
| 1da177e4 | 474 | |
| 70342287 | 475 | /* Bits specific to the R5000. */ |
| 1da177e4 LT |
476 | #define R5K_CONF_SE (_ULCAST_(1) << 12) |
| 477 | #define R5K_CONF_SS (_ULCAST_(3) << 20) | |
| 478 | ||
| 70342287 RB |
479 | /* Bits specific to the RM7000. */ |
| 480 | #define RM7K_CONF_SE (_ULCAST_(1) << 3) | |
| c6ad7b7d MR |
481 | #define RM7K_CONF_TE (_ULCAST_(1) << 12) |
| 482 | #define RM7K_CONF_CLK (_ULCAST_(1) << 16) | |
| 483 | #define RM7K_CONF_TC (_ULCAST_(1) << 17) | |
| 484 | #define RM7K_CONF_SI (_ULCAST_(3) << 20) | |
| 485 | #define RM7K_CONF_SC (_ULCAST_(1) << 31) | |
| ba5187db | 486 | |
| 70342287 RB |
487 | /* Bits specific to the R10000. */ |
| 488 | #define R10K_CONF_DN (_ULCAST_(3) << 3) | |
| 489 | #define R10K_CONF_CT (_ULCAST_(1) << 5) | |
| 490 | #define R10K_CONF_PE (_ULCAST_(1) << 6) | |
| 491 | #define R10K_CONF_PM (_ULCAST_(3) << 7) | |
| 492 | #define R10K_CONF_EC (_ULCAST_(15)<< 9) | |
| 1da177e4 LT |
493 | #define R10K_CONF_SB (_ULCAST_(1) << 13) |
| 494 | #define R10K_CONF_SK (_ULCAST_(1) << 14) | |
| 495 | #define R10K_CONF_SS (_ULCAST_(7) << 16) | |
| 496 | #define R10K_CONF_SC (_ULCAST_(7) << 19) | |
| 497 | #define R10K_CONF_DC (_ULCAST_(7) << 26) | |
| 498 | #define R10K_CONF_IC (_ULCAST_(7) << 29) | |
| 499 | ||
| 70342287 | 500 | /* Bits specific to the VR41xx. */ |
| 1da177e4 | 501 | #define VR41_CONF_CS (_ULCAST_(1) << 12) |
| 2874fe55 | 502 | #define VR41_CONF_P4K (_ULCAST_(1) << 13) |
| 4e8ab361 | 503 | #define VR41_CONF_BP (_ULCAST_(1) << 16) |
| 1da177e4 LT |
504 | #define VR41_CONF_M16 (_ULCAST_(1) << 20) |
| 505 | #define VR41_CONF_AD (_ULCAST_(1) << 23) | |
| 506 | ||
| 70342287 | 507 | /* Bits specific to the R30xx. */ |
| 1da177e4 LT |
508 | #define R30XX_CONF_FDM (_ULCAST_(1) << 19) |
| 509 | #define R30XX_CONF_REV (_ULCAST_(1) << 22) | |
| 510 | #define R30XX_CONF_AC (_ULCAST_(1) << 23) | |
| 511 | #define R30XX_CONF_RF (_ULCAST_(1) << 24) | |
| 512 | #define R30XX_CONF_HALT (_ULCAST_(1) << 25) | |
| 513 | #define R30XX_CONF_FPINT (_ULCAST_(7) << 26) | |
| 514 | #define R30XX_CONF_DBR (_ULCAST_(1) << 29) | |
| 515 | #define R30XX_CONF_SB (_ULCAST_(1) << 30) | |
| 516 | #define R30XX_CONF_LOCK (_ULCAST_(1) << 31) | |
| 517 | ||
| 518 | /* Bits specific to the TX49. */ | |
| 519 | #define TX49_CONF_DC (_ULCAST_(1) << 16) | |
| 520 | #define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */ | |
| 521 | #define TX49_CONF_HALT (_ULCAST_(1) << 18) | |
| 522 | #define TX49_CONF_CWFON (_ULCAST_(1) << 27) | |
| 523 | ||
| 70342287 RB |
524 | /* Bits specific to the MIPS32/64 PRA. */ |
| 525 | #define MIPS_CONF_MT (_ULCAST_(7) << 7) | |
| 2f6f3136 JH |
526 | #define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7) |
| 527 | #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7) | |
| 1da177e4 LT |
528 | #define MIPS_CONF_AR (_ULCAST_(7) << 10) |
| 529 | #define MIPS_CONF_AT (_ULCAST_(3) << 13) | |
| 530 | #define MIPS_CONF_M (_ULCAST_(1) << 31) | |
| 531 | ||
| 4194318c RB |
532 | /* |
| 533 | * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above. | |
| 534 | */ | |
| 70342287 RB |
535 | #define MIPS_CONF1_FP (_ULCAST_(1) << 0) |
| 536 | #define MIPS_CONF1_EP (_ULCAST_(1) << 1) | |
| 537 | #define MIPS_CONF1_CA (_ULCAST_(1) << 2) | |
| 538 | #define MIPS_CONF1_WR (_ULCAST_(1) << 3) | |
| 539 | #define MIPS_CONF1_PC (_ULCAST_(1) << 4) | |
| 540 | #define MIPS_CONF1_MD (_ULCAST_(1) << 5) | |
| 541 | #define MIPS_CONF1_C2 (_ULCAST_(1) << 6) | |
| 20a8d5d5 PB |
542 | #define MIPS_CONF1_DA_SHF 7 |
| 543 | #define MIPS_CONF1_DA_SZ 3 | |
| 70342287 | 544 | #define MIPS_CONF1_DA (_ULCAST_(7) << 7) |
| 20a8d5d5 PB |
545 | #define MIPS_CONF1_DL_SHF 10 |
| 546 | #define MIPS_CONF1_DL_SZ 3 | |
| 4194318c | 547 | #define MIPS_CONF1_DL (_ULCAST_(7) << 10) |
| 20a8d5d5 PB |
548 | #define MIPS_CONF1_DS_SHF 13 |
| 549 | #define MIPS_CONF1_DS_SZ 3 | |
| 4194318c | 550 | #define MIPS_CONF1_DS (_ULCAST_(7) << 13) |
| 20a8d5d5 PB |
551 | #define MIPS_CONF1_IA_SHF 16 |
| 552 | #define MIPS_CONF1_IA_SZ 3 | |
| 4194318c | 553 | #define MIPS_CONF1_IA (_ULCAST_(7) << 16) |
| 20a8d5d5 PB |
554 | #define MIPS_CONF1_IL_SHF 19 |
| 555 | #define MIPS_CONF1_IL_SZ 3 | |
| 4194318c | 556 | #define MIPS_CONF1_IL (_ULCAST_(7) << 19) |
| 20a8d5d5 PB |
557 | #define MIPS_CONF1_IS_SHF 22 |
| 558 | #define MIPS_CONF1_IS_SZ 3 | |
| 4194318c | 559 | #define MIPS_CONF1_IS (_ULCAST_(7) << 22) |
| 691038ba LY |
560 | #define MIPS_CONF1_TLBS_SHIFT (25) |
| 561 | #define MIPS_CONF1_TLBS_SIZE (6) | |
| 562 | #define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT) | |
| 4194318c | 563 | |
| 70342287 RB |
564 | #define MIPS_CONF2_SA (_ULCAST_(15)<< 0) |
| 565 | #define MIPS_CONF2_SL (_ULCAST_(15)<< 4) | |
| 566 | #define MIPS_CONF2_SS (_ULCAST_(15)<< 8) | |
| 4194318c RB |
567 | #define MIPS_CONF2_SU (_ULCAST_(15)<< 12) |
| 568 | #define MIPS_CONF2_TA (_ULCAST_(15)<< 16) | |
| 569 | #define MIPS_CONF2_TL (_ULCAST_(15)<< 20) | |
| 570 | #define MIPS_CONF2_TS (_ULCAST_(15)<< 24) | |
| 571 | #define MIPS_CONF2_TU (_ULCAST_(7) << 28) | |
| 572 | ||
| 70342287 RB |
573 | #define MIPS_CONF3_TL (_ULCAST_(1) << 0) |
| 574 | #define MIPS_CONF3_SM (_ULCAST_(1) << 1) | |
| 575 | #define MIPS_CONF3_MT (_ULCAST_(1) << 2) | |
| 691038ba | 576 | #define MIPS_CONF3_CDMM (_ULCAST_(1) << 3) |
| 70342287 RB |
577 | #define MIPS_CONF3_SP (_ULCAST_(1) << 4) |
| 578 | #define MIPS_CONF3_VINT (_ULCAST_(1) << 5) | |
| 579 | #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6) | |
| 580 | #define MIPS_CONF3_LPA (_ULCAST_(1) << 7) | |
| 691038ba LY |
581 | #define MIPS_CONF3_ITL (_ULCAST_(1) << 8) |
| 582 | #define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9) | |
| e50c0a8f | 583 | #define MIPS_CONF3_DSP (_ULCAST_(1) << 10) |
| ee80f7c7 | 584 | #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) |
| b2ab4f08 | 585 | #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) |
| a3692020 | 586 | #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) |
| f8fa4811 | 587 | #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) |
| c6213c6c | 588 | #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) |
| 691038ba LY |
589 | #define MIPS_CONF3_MCU (_ULCAST_(1) << 17) |
| 590 | #define MIPS_CONF3_MMAR (_ULCAST_(7) << 18) | |
| 591 | #define MIPS_CONF3_IPLW (_ULCAST_(3) << 21) | |
| 1e7decdb | 592 | #define MIPS_CONF3_VZ (_ULCAST_(1) << 23) |
| 691038ba LY |
593 | #define MIPS_CONF3_PW (_ULCAST_(1) << 24) |
| 594 | #define MIPS_CONF3_SC (_ULCAST_(1) << 25) | |
| 595 | #define MIPS_CONF3_BI (_ULCAST_(1) << 26) | |
| 596 | #define MIPS_CONF3_BP (_ULCAST_(1) << 27) | |
| 597 | #define MIPS_CONF3_MSA (_ULCAST_(1) << 28) | |
| 598 | #define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29) | |
| 599 | #define MIPS_CONF3_BPG (_ULCAST_(1) << 30) | |
| 600 | ||
| 601 | #define MIPS_CONF4_MMUSIZEEXT_SHIFT (0) | |
| 1b362e3e | 602 | #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) |
| 691038ba | 603 | #define MIPS_CONF4_FTLBSETS_SHIFT (0) |
| 691038ba LY |
604 | #define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT) |
| 605 | #define MIPS_CONF4_FTLBWAYS_SHIFT (4) | |
| 606 | #define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT) | |
| 607 | #define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8) | |
| 608 | /* bits 10:8 in FTLB-only configurations */ | |
| 609 | #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) | |
| 610 | /* bits 12:8 in VTLB-FTLB only configurations */ | |
| 611 | #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) | |
| 1b362e3e DD |
612 | #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) |
| 613 | #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14) | |
| 691038ba LY |
614 | #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14) |
| 615 | #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14) | |
| 616 | #define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16) | |
| 617 | #define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24) | |
| 618 | #define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT) | |
| 619 | #define MIPS_CONF4_AE (_ULCAST_(1) << 28) | |
| 620 | #define MIPS_CONF4_IE (_ULCAST_(3) << 29) | |
| 621 | #define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29) | |
| 1b362e3e | 622 | |
| 2f9ee82c RB |
623 | #define MIPS_CONF5_NF (_ULCAST_(1) << 0) |
| 624 | #define MIPS_CONF5_UFR (_ULCAST_(1) << 2) | |
| e19d5dba | 625 | #define MIPS_CONF5_MRP (_ULCAST_(1) << 3) |
| 5aed9da1 | 626 | #define MIPS_CONF5_LLB (_ULCAST_(1) << 4) |
| 23d06e4f | 627 | #define MIPS_CONF5_MVH (_ULCAST_(1) << 5) |
| f270d881 | 628 | #define MIPS_CONF5_VP (_ULCAST_(1) << 7) |
| 5ff04a84 PB |
629 | #define MIPS_CONF5_FRE (_ULCAST_(1) << 8) |
| 630 | #define MIPS_CONF5_UFE (_ULCAST_(1) << 9) | |
| 2f9ee82c RB |
631 | #define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27) |
| 632 | #define MIPS_CONF5_EVA (_ULCAST_(1) << 28) | |
| 633 | #define MIPS_CONF5_CV (_ULCAST_(1) << 29) | |
| 634 | #define MIPS_CONF5_K (_ULCAST_(1) << 30) | |
| 635 | ||
| 006a851b | 636 | #define MIPS_CONF6_SYND (_ULCAST_(1) << 13) |
| 75b5b5e0 LY |
637 | /* proAptiv FTLB on/off bit */ |
| 638 | #define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15) | |
| b2edcfc8 HC |
639 | /* Loongson-3 FTLB on/off bit */ |
| 640 | #define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22) | |
| cf0a8aa0 MC |
641 | /* FTLB probability bits */ |
| 642 | #define MIPS_CONF6_FTLBP_SHIFT (16) | |
| 006a851b | 643 | |
| 4b3e975e RB |
644 | #define MIPS_CONF7_WII (_ULCAST_(1) << 31) |
| 645 | ||
| 9267a30d MSJ |
646 | #define MIPS_CONF7_RPS (_ULCAST_(1) << 2) |
| 647 | ||
| 02dc6bfb MC |
648 | #define MIPS_CONF7_IAR (_ULCAST_(1) << 10) |
| 649 | #define MIPS_CONF7_AR (_ULCAST_(1) << 16) | |
| 20a7f7e5 MC |
650 | /* FTLB probability bits for R6 */ |
| 651 | #define MIPS_CONF7_FTLBP_SHIFT (18) | |
| 02dc6bfb | 652 | |
| 50af501c JH |
653 | /* WatchLo* register definitions */ |
| 654 | #define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0) | |
| 655 | ||
| 656 | /* WatchHi* register definitions */ | |
| 657 | #define MIPS_WATCHHI_M (_ULCAST_(1) << 31) | |
| 658 | #define MIPS_WATCHHI_G (_ULCAST_(1) << 30) | |
| 659 | #define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28) | |
| 660 | #define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28) | |
| 661 | #define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28) | |
| 662 | #define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28) | |
| 663 | #define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24) | |
| 664 | #define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16) | |
| 665 | #define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3) | |
| 666 | #define MIPS_WATCHHI_I (_ULCAST_(1) << 2) | |
| 667 | #define MIPS_WATCHHI_R (_ULCAST_(1) << 1) | |
| 668 | #define MIPS_WATCHHI_W (_ULCAST_(1) << 0) | |
| 669 | #define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0) | |
| 670 | ||
| e19d5dba PB |
671 | /* MAAR bit definitions */ |
| 672 | #define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12) | |
| 673 | #define MIPS_MAAR_ADDR_SHIFT 12 | |
| 674 | #define MIPS_MAAR_S (_ULCAST_(1) << 1) | |
| 675 | #define MIPS_MAAR_V (_ULCAST_(1) << 0) | |
| 676 | ||
| 4dd8ee5d PB |
677 | /* CMGCRBase bit definitions */ |
| 678 | #define MIPS_CMGCRB_BASE 11 | |
| 679 | #define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1)) | |
| 680 | ||
| 4a0156fb SH |
681 | /* |
| 682 | * Bits in the MIPS32 Memory Segmentation registers. | |
| 683 | */ | |
| 684 | #define MIPS_SEGCFG_PA_SHIFT 9 | |
| 685 | #define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT) | |
| 686 | #define MIPS_SEGCFG_AM_SHIFT 4 | |
| 687 | #define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT) | |
| 688 | #define MIPS_SEGCFG_EU_SHIFT 3 | |
| 689 | #define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT) | |
| 690 | #define MIPS_SEGCFG_C_SHIFT 0 | |
| 691 | #define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT) | |
| 692 | ||
| 693 | #define MIPS_SEGCFG_UUSK _ULCAST_(7) | |
| 694 | #define MIPS_SEGCFG_USK _ULCAST_(5) | |
| 695 | #define MIPS_SEGCFG_MUSUK _ULCAST_(4) | |
| 696 | #define MIPS_SEGCFG_MUSK _ULCAST_(3) | |
| 697 | #define MIPS_SEGCFG_MSK _ULCAST_(2) | |
| 698 | #define MIPS_SEGCFG_MK _ULCAST_(1) | |
| 699 | #define MIPS_SEGCFG_UK _ULCAST_(0) | |
| 700 | ||
| 87d08bc9 MC |
701 | #define MIPS_PWFIELD_GDI_SHIFT 24 |
| 702 | #define MIPS_PWFIELD_GDI_MASK 0x3f000000 | |
| 703 | #define MIPS_PWFIELD_UDI_SHIFT 18 | |
| 704 | #define MIPS_PWFIELD_UDI_MASK 0x00fc0000 | |
| 705 | #define MIPS_PWFIELD_MDI_SHIFT 12 | |
| 706 | #define MIPS_PWFIELD_MDI_MASK 0x0003f000 | |
| 707 | #define MIPS_PWFIELD_PTI_SHIFT 6 | |
| 708 | #define MIPS_PWFIELD_PTI_MASK 0x00000fc0 | |
| 709 | #define MIPS_PWFIELD_PTEI_SHIFT 0 | |
| 710 | #define MIPS_PWFIELD_PTEI_MASK 0x0000003f | |
| 711 | ||
| 712 | #define MIPS_PWSIZE_GDW_SHIFT 24 | |
| 713 | #define MIPS_PWSIZE_GDW_MASK 0x3f000000 | |
| 714 | #define MIPS_PWSIZE_UDW_SHIFT 18 | |
| 715 | #define MIPS_PWSIZE_UDW_MASK 0x00fc0000 | |
| 716 | #define MIPS_PWSIZE_MDW_SHIFT 12 | |
| 717 | #define MIPS_PWSIZE_MDW_MASK 0x0003f000 | |
| 718 | #define MIPS_PWSIZE_PTW_SHIFT 6 | |
| 719 | #define MIPS_PWSIZE_PTW_MASK 0x00000fc0 | |
| 720 | #define MIPS_PWSIZE_PTEW_SHIFT 0 | |
| 721 | #define MIPS_PWSIZE_PTEW_MASK 0x0000003f | |
| 722 | ||
| 723 | #define MIPS_PWCTL_PWEN_SHIFT 31 | |
| 724 | #define MIPS_PWCTL_PWEN_MASK 0x80000000 | |
| 725 | #define MIPS_PWCTL_DPH_SHIFT 7 | |
| 726 | #define MIPS_PWCTL_DPH_MASK 0x00000080 | |
| 727 | #define MIPS_PWCTL_HUGEPG_SHIFT 6 | |
| 728 | #define MIPS_PWCTL_HUGEPG_MASK 0x00000060 | |
| 729 | #define MIPS_PWCTL_PSN_SHIFT 0 | |
| 730 | #define MIPS_PWCTL_PSN_MASK 0x0000003f | |
| 731 | ||
| 9b3274bd JH |
732 | /* CDMMBase register bit definitions */ |
| 733 | #define MIPS_CDMMBASE_SIZE_SHIFT 0 | |
| 734 | #define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT) | |
| 735 | #define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9) | |
| 736 | #define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10) | |
| 737 | #define MIPS_CDMMBASE_ADDR_SHIFT 11 | |
| 738 | #define MIPS_CDMMBASE_ADDR_START 15 | |
| 739 | ||
| e08384ca MR |
740 | /* |
| 741 | * Bitfields in the TX39 family CP0 Configuration Register 3 | |
| 742 | */ | |
| 743 | #define TX39_CONF_ICS_SHIFT 19 | |
| 744 | #define TX39_CONF_ICS_MASK 0x00380000 | |
| 745 | #define TX39_CONF_ICS_1KB 0x00000000 | |
| 746 | #define TX39_CONF_ICS_2KB 0x00080000 | |
| 747 | #define TX39_CONF_ICS_4KB 0x00100000 | |
| 748 | #define TX39_CONF_ICS_8KB 0x00180000 | |
| 749 | #define TX39_CONF_ICS_16KB 0x00200000 | |
| 750 | ||
| 751 | #define TX39_CONF_DCS_SHIFT 16 | |
| 752 | #define TX39_CONF_DCS_MASK 0x00070000 | |
| 753 | #define TX39_CONF_DCS_1KB 0x00000000 | |
| 754 | #define TX39_CONF_DCS_2KB 0x00010000 | |
| 755 | #define TX39_CONF_DCS_4KB 0x00020000 | |
| 756 | #define TX39_CONF_DCS_8KB 0x00030000 | |
| 757 | #define TX39_CONF_DCS_16KB 0x00040000 | |
| 758 | ||
| 759 | #define TX39_CONF_CWFON 0x00004000 | |
| 760 | #define TX39_CONF_WBON 0x00002000 | |
| 761 | #define TX39_CONF_RF_SHIFT 10 | |
| 762 | #define TX39_CONF_RF_MASK 0x00000c00 | |
| 763 | #define TX39_CONF_DOZE 0x00000200 | |
| 764 | #define TX39_CONF_HALT 0x00000100 | |
| 765 | #define TX39_CONF_LOCK 0x00000080 | |
| 766 | #define TX39_CONF_ICE 0x00000020 | |
| 767 | #define TX39_CONF_DCE 0x00000010 | |
| 768 | #define TX39_CONF_IRSIZE_SHIFT 2 | |
| 769 | #define TX39_CONF_IRSIZE_MASK 0x0000000c | |
| 770 | #define TX39_CONF_DRSIZE_SHIFT 0 | |
| 771 | #define TX39_CONF_DRSIZE_MASK 0x00000003 | |
| 772 | ||
| 8d5ded16 JK |
773 | /* |
| 774 | * Interesting Bits in the R10K CP0 Branch Diagnostic Register | |
| 775 | */ | |
| 776 | /* Disable Branch Target Address Cache */ | |
| 777 | #define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27) | |
| 778 | /* Enable Branch Prediction Global History */ | |
| 779 | #define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26) | |
| 780 | /* Disable Branch Return Cache */ | |
| 781 | #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22) | |
| fda51906 MR |
782 | |
| 783 | /* | |
| 784 | * Coprocessor 1 (FPU) register names | |
| 785 | */ | |
| c491cfa2 MR |
786 | #define CP1_REVISION $0 |
| 787 | #define CP1_UFR $1 | |
| 788 | #define CP1_UNFR $4 | |
| 789 | #define CP1_FCCR $25 | |
| 790 | #define CP1_FEXR $26 | |
| 791 | #define CP1_FENR $28 | |
| 792 | #define CP1_STATUS $31 | |
| fda51906 MR |
793 | |
| 794 | ||
| 795 | /* | |
| 796 | * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register. | |
| 797 | */ | |
| 798 | #define MIPS_FPIR_S (_ULCAST_(1) << 16) | |
| 799 | #define MIPS_FPIR_D (_ULCAST_(1) << 17) | |
| 800 | #define MIPS_FPIR_PS (_ULCAST_(1) << 18) | |
| 801 | #define MIPS_FPIR_3D (_ULCAST_(1) << 19) | |
| 802 | #define MIPS_FPIR_W (_ULCAST_(1) << 20) | |
| 803 | #define MIPS_FPIR_L (_ULCAST_(1) << 21) | |
| 804 | #define MIPS_FPIR_F64 (_ULCAST_(1) << 22) | |
| f1f3b7eb MR |
805 | #define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23) |
| 806 | #define MIPS_FPIR_UFRP (_ULCAST_(1) << 28) | |
| fda51906 MR |
807 | #define MIPS_FPIR_FREP (_ULCAST_(1) << 29) |
| 808 | ||
| c491cfa2 MR |
809 | /* |
| 810 | * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register. | |
| 811 | */ | |
| 812 | #define MIPS_FCCR_CONDX_S 0 | |
| 813 | #define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S) | |
| 814 | #define MIPS_FCCR_COND0_S 0 | |
| 815 | #define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S) | |
| 816 | #define MIPS_FCCR_COND1_S 1 | |
| 817 | #define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S) | |
| 818 | #define MIPS_FCCR_COND2_S 2 | |
| 819 | #define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S) | |
| 820 | #define MIPS_FCCR_COND3_S 3 | |
| 821 | #define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S) | |
| 822 | #define MIPS_FCCR_COND4_S 4 | |
| 823 | #define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S) | |
| 824 | #define MIPS_FCCR_COND5_S 5 | |
| 825 | #define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S) | |
| 826 | #define MIPS_FCCR_COND6_S 6 | |
| 827 | #define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S) | |
| 828 | #define MIPS_FCCR_COND7_S 7 | |
| 829 | #define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S) | |
| 830 | ||
| 831 | /* | |
| 832 | * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register. | |
| 833 | */ | |
| 834 | #define MIPS_FENR_FS_S 2 | |
| 835 | #define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S) | |
| 836 | ||
| fda51906 MR |
837 | /* |
| 838 | * FPU Status Register Values | |
| 839 | */ | |
| c491cfa2 MR |
840 | #define FPU_CSR_COND_S 23 /* $fcc0 */ |
| 841 | #define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S) | |
| 842 | ||
| 843 | #define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */ | |
| 844 | #define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S) | |
| 845 | ||
| 846 | #define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */ | |
| 847 | #define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S) | |
| 848 | #define FPU_CSR_COND1_S 25 /* $fcc1 */ | |
| 849 | #define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S) | |
| 850 | #define FPU_CSR_COND2_S 26 /* $fcc2 */ | |
| 851 | #define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S) | |
| 852 | #define FPU_CSR_COND3_S 27 /* $fcc3 */ | |
| 853 | #define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S) | |
| 854 | #define FPU_CSR_COND4_S 28 /* $fcc4 */ | |
| 855 | #define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S) | |
| 856 | #define FPU_CSR_COND5_S 29 /* $fcc5 */ | |
| 857 | #define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S) | |
| 858 | #define FPU_CSR_COND6_S 30 /* $fcc6 */ | |
| 859 | #define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S) | |
| 860 | #define FPU_CSR_COND7_S 31 /* $fcc7 */ | |
| 861 | #define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S) | |
| fda51906 MR |
862 | |
| 863 | /* | |
| f1f3b7eb | 864 | * Bits 22:20 of the FPU Status Register will be read as 0, |
| fda51906 MR |
865 | * and should be written as zero. |
| 866 | */ | |
| f1f3b7eb MR |
867 | #define FPU_CSR_RSVD (_ULCAST_(7) << 20) |
| 868 | ||
| 869 | #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19) | |
| 870 | #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18) | |
| fda51906 MR |
871 | |
| 872 | /* | |
| 873 | * X the exception cause indicator | |
| 874 | * E the exception enable | |
| 875 | * S the sticky/flag bit | |
| 876 | */ | |
| 877 | #define FPU_CSR_ALL_X 0x0003f000 | |
| 878 | #define FPU_CSR_UNI_X 0x00020000 | |
| 879 | #define FPU_CSR_INV_X 0x00010000 | |
| 880 | #define FPU_CSR_DIV_X 0x00008000 | |
| 881 | #define FPU_CSR_OVF_X 0x00004000 | |
| 882 | #define FPU_CSR_UDF_X 0x00002000 | |
| 883 | #define FPU_CSR_INE_X 0x00001000 | |
| 884 | ||
| 885 | #define FPU_CSR_ALL_E 0x00000f80 | |
| 886 | #define FPU_CSR_INV_E 0x00000800 | |
| 887 | #define FPU_CSR_DIV_E 0x00000400 | |
| 888 | #define FPU_CSR_OVF_E 0x00000200 | |
| 889 | #define FPU_CSR_UDF_E 0x00000100 | |
| 890 | #define FPU_CSR_INE_E 0x00000080 | |
| 891 | ||
| 892 | #define FPU_CSR_ALL_S 0x0000007c | |
| 893 | #define FPU_CSR_INV_S 0x00000040 | |
| 894 | #define FPU_CSR_DIV_S 0x00000020 | |
| 895 | #define FPU_CSR_OVF_S 0x00000010 | |
| 896 | #define FPU_CSR_UDF_S 0x00000008 | |
| 897 | #define FPU_CSR_INE_S 0x00000004 | |
| 898 | ||
| 899 | /* Bits 0 and 1 of FPU Status Register specify the rounding mode */ | |
| 900 | #define FPU_CSR_RM 0x00000003 | |
| 901 | #define FPU_CSR_RN 0x0 /* nearest */ | |
| 902 | #define FPU_CSR_RZ 0x1 /* towards zero */ | |
| 903 | #define FPU_CSR_RU 0x2 /* towards +Infinity */ | |
| 904 | #define FPU_CSR_RD 0x3 /* towards -Infinity */ | |
| 905 | ||
| 906 | ||
| 1da177e4 LT |
907 | #ifndef __ASSEMBLY__ |
| 908 | ||
| bfd08baa | 909 | /* |
| 377cb1b6 | 910 | * Macros for handling the ISA mode bit for MIPS16 and microMIPS. |
| bfd08baa | 911 | */ |
| 377cb1b6 RB |
912 | #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \ |
| 913 | defined(CONFIG_SYS_SUPPORTS_MICROMIPS) | |
| bfd08baa SH |
914 | #define get_isa16_mode(x) ((x) & 0x1) |
| 915 | #define msk_isa16_mode(x) ((x) & ~0x1) | |
| 916 | #define set_isa16_mode(x) do { (x) |= 0x1; } while(0) | |
| 377cb1b6 RB |
917 | #else |
| 918 | #define get_isa16_mode(x) 0 | |
| 919 | #define msk_isa16_mode(x) (x) | |
| 920 | #define set_isa16_mode(x) do { } while(0) | |
| 921 | #endif | |
| bfd08baa SH |
922 | |
| 923 | /* | |
| 924 | * microMIPS instructions can be 16-bit or 32-bit in length. This | |
| 925 | * returns a 1 if the instruction is 16-bit and a 0 if 32-bit. | |
| 926 | */ | |
| 927 | static inline int mm_insn_16bit(u16 insn) | |
| 928 | { | |
| 929 | u16 opcode = (insn >> 10) & 0x7; | |
| 930 | ||
| 931 | return (opcode >= 1 && opcode <= 3) ? 1 : 0; | |
| 932 | } | |
| 933 | ||
| 198bb4ce LY |
934 | /* |
| 935 | * TLB Invalidate Flush | |
| 936 | */ | |
| 937 | static inline void tlbinvf(void) | |
| 938 | { | |
| 939 | __asm__ __volatile__( | |
| 940 | ".set push\n\t" | |
| 941 | ".set noreorder\n\t" | |
| 942 | ".word 0x42000004\n\t" /* tlbinvf */ | |
| 943 | ".set pop"); | |
| 944 | } | |
| 945 | ||
| 946 | ||
| 1da177e4 | 947 | /* |
| 70342287 | 948 | * Functions to access the R10000 performance counters. These are basically |
| 1da177e4 LT |
949 | * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit |
| 950 | * performance counter number encoded into bits 1 ... 5 of the instruction. | |
| 951 | * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware | |
| 952 | * disassembler these will look like an access to sel 0 or 1. | |
| 953 | */ | |
| 954 | #define read_r10k_perf_cntr(counter) \ | |
| 955 | ({ \ | |
| 956 | unsigned int __res; \ | |
| 957 | __asm__ __volatile__( \ | |
| 958 | "mfpc\t%0, %1" \ | |
| 70342287 | 959 | : "=r" (__res) \ |
| 1da177e4 LT |
960 | : "i" (counter)); \ |
| 961 | \ | |
| 70342287 | 962 | __res; \ |
| 1da177e4 LT |
963 | }) |
| 964 | ||
| 70342287 | 965 | #define write_r10k_perf_cntr(counter,val) \ |
| 1da177e4 LT |
966 | do { \ |
| 967 | __asm__ __volatile__( \ | |
| 968 | "mtpc\t%0, %1" \ | |
| 969 | : \ | |
| 970 | : "r" (val), "i" (counter)); \ | |
| 971 | } while (0) | |
| 972 | ||
| 973 | #define read_r10k_perf_event(counter) \ | |
| 974 | ({ \ | |
| 975 | unsigned int __res; \ | |
| 976 | __asm__ __volatile__( \ | |
| 977 | "mfps\t%0, %1" \ | |
| 70342287 | 978 | : "=r" (__res) \ |
| 1da177e4 LT |
979 | : "i" (counter)); \ |
| 980 | \ | |
| 70342287 | 981 | __res; \ |
| 1da177e4 LT |
982 | }) |
| 983 | ||
| 70342287 | 984 | #define write_r10k_perf_cntl(counter,val) \ |
| 1da177e4 LT |
985 | do { \ |
| 986 | __asm__ __volatile__( \ | |
| 987 | "mtps\t%0, %1" \ | |
| 988 | : \ | |
| 989 | : "r" (val), "i" (counter)); \ | |
| 990 | } while (0) | |
| 991 | ||
| 992 | ||
| 993 | /* | |
| 994 | * Macros to access the system control coprocessor | |
| 995 | */ | |
| 996 | ||
| 997 | #define __read_32bit_c0_register(source, sel) \ | |
| 82eb8f73 | 998 | ({ unsigned int __res; \ |
| 1da177e4 LT |
999 | if (sel == 0) \ |
| 1000 | __asm__ __volatile__( \ | |
| 1001 | "mfc0\t%0, " #source "\n\t" \ | |
| 1002 | : "=r" (__res)); \ | |
| 1003 | else \ | |
| 1004 | __asm__ __volatile__( \ | |
| 1005 | ".set\tmips32\n\t" \ | |
| 1006 | "mfc0\t%0, " #source ", " #sel "\n\t" \ | |
| 1007 | ".set\tmips0\n\t" \ | |
| 1008 | : "=r" (__res)); \ | |
| 1009 | __res; \ | |
| 1010 | }) | |
| 1011 | ||
| 1012 | #define __read_64bit_c0_register(source, sel) \ | |
| 1013 | ({ unsigned long long __res; \ | |
| 1014 | if (sizeof(unsigned long) == 4) \ | |
| 1015 | __res = __read_64bit_c0_split(source, sel); \ | |
| 1016 | else if (sel == 0) \ | |
| 1017 | __asm__ __volatile__( \ | |
| 1018 | ".set\tmips3\n\t" \ | |
| 1019 | "dmfc0\t%0, " #source "\n\t" \ | |
| 1020 | ".set\tmips0" \ | |
| 1021 | : "=r" (__res)); \ | |
| 1022 | else \ | |
| 1023 | __asm__ __volatile__( \ | |
| 1024 | ".set\tmips64\n\t" \ | |
| 1025 | "dmfc0\t%0, " #source ", " #sel "\n\t" \ | |
| 1026 | ".set\tmips0" \ | |
| 1027 | : "=r" (__res)); \ | |
| 1028 | __res; \ | |
| 1029 | }) | |
| 1030 | ||
| 1031 | #define __write_32bit_c0_register(register, sel, value) \ | |
| 1032 | do { \ | |
| 1033 | if (sel == 0) \ | |
| 1034 | __asm__ __volatile__( \ | |
| 1035 | "mtc0\t%z0, " #register "\n\t" \ | |
| 0952e290 | 1036 | : : "Jr" ((unsigned int)(value))); \ |
| 1da177e4 LT |
1037 | else \ |
| 1038 | __asm__ __volatile__( \ | |
| 1039 | ".set\tmips32\n\t" \ | |
| 1040 | "mtc0\t%z0, " #register ", " #sel "\n\t" \ | |
| 1041 | ".set\tmips0" \ | |
| 0952e290 | 1042 | : : "Jr" ((unsigned int)(value))); \ |
| 1da177e4 LT |
1043 | } while (0) |
| 1044 | ||
| 1045 | #define __write_64bit_c0_register(register, sel, value) \ | |
| 1046 | do { \ | |
| 1047 | if (sizeof(unsigned long) == 4) \ | |
| 1048 | __write_64bit_c0_split(register, sel, value); \ | |
| 1049 | else if (sel == 0) \ | |
| 1050 | __asm__ __volatile__( \ | |
| 1051 | ".set\tmips3\n\t" \ | |
| 1052 | "dmtc0\t%z0, " #register "\n\t" \ | |
| 1053 | ".set\tmips0" \ | |
| 1054 | : : "Jr" (value)); \ | |
| 1055 | else \ | |
| 1056 | __asm__ __volatile__( \ | |
| 1057 | ".set\tmips64\n\t" \ | |
| 1058 | "dmtc0\t%z0, " #register ", " #sel "\n\t" \ | |
| 1059 | ".set\tmips0" \ | |
| 1060 | : : "Jr" (value)); \ | |
| 1061 | } while (0) | |
| 1062 | ||
| 1063 | #define __read_ulong_c0_register(reg, sel) \ | |
| 1064 | ((sizeof(unsigned long) == 4) ? \ | |
| 1065 | (unsigned long) __read_32bit_c0_register(reg, sel) : \ | |
| 1066 | (unsigned long) __read_64bit_c0_register(reg, sel)) | |
| 1067 | ||
| 1068 | #define __write_ulong_c0_register(reg, sel, val) \ | |
| 1069 | do { \ | |
| 1070 | if (sizeof(unsigned long) == 4) \ | |
| 1071 | __write_32bit_c0_register(reg, sel, val); \ | |
| 1072 | else \ | |
| 1073 | __write_64bit_c0_register(reg, sel, val); \ | |
| 1074 | } while (0) | |
| 1075 | ||
| 1076 | /* | |
| 1077 | * On RM7000/RM9000 these are uses to access cop0 set 1 registers | |
| 1078 | */ | |
| 1079 | #define __read_32bit_c0_ctrl_register(source) \ | |
| 82eb8f73 | 1080 | ({ unsigned int __res; \ |
| 1da177e4 LT |
1081 | __asm__ __volatile__( \ |
| 1082 | "cfc0\t%0, " #source "\n\t" \ | |
| 1083 | : "=r" (__res)); \ | |
| 1084 | __res; \ | |
| 1085 | }) | |
| 1086 | ||
| 1087 | #define __write_32bit_c0_ctrl_register(register, value) \ | |
| 1088 | do { \ | |
| 1089 | __asm__ __volatile__( \ | |
| 1090 | "ctc0\t%z0, " #register "\n\t" \ | |
| 0952e290 | 1091 | : : "Jr" ((unsigned int)(value))); \ |
| 1da177e4 LT |
1092 | } while (0) |
| 1093 | ||
| 1094 | /* | |
| 1095 | * These versions are only needed for systems with more than 38 bits of | |
| 1096 | * physical address space running the 32-bit kernel. That's none atm :-) | |
| 1097 | */ | |
| 1098 | #define __read_64bit_c0_split(source, sel) \ | |
| 1099 | ({ \ | |
| 87d43dd4 AN |
1100 | unsigned long long __val; \ |
| 1101 | unsigned long __flags; \ | |
| 1da177e4 | 1102 | \ |
| 87d43dd4 | 1103 | local_irq_save(__flags); \ |
| 1da177e4 LT |
1104 | if (sel == 0) \ |
| 1105 | __asm__ __volatile__( \ | |
| 1106 | ".set\tmips64\n\t" \ | |
| 1107 | "dmfc0\t%M0, " #source "\n\t" \ | |
| 1108 | "dsll\t%L0, %M0, 32\n\t" \ | |
| 0b543526 RB |
1109 | "dsra\t%M0, %M0, 32\n\t" \ |
| 1110 | "dsra\t%L0, %L0, 32\n\t" \ | |
| 1da177e4 | 1111 | ".set\tmips0" \ |
| 87d43dd4 | 1112 | : "=r" (__val)); \ |
| 1da177e4 LT |
1113 | else \ |
| 1114 | __asm__ __volatile__( \ | |
| 1115 | ".set\tmips64\n\t" \ | |
| 1116 | "dmfc0\t%M0, " #source ", " #sel "\n\t" \ | |
| 1117 | "dsll\t%L0, %M0, 32\n\t" \ | |
| 0b543526 RB |
1118 | "dsra\t%M0, %M0, 32\n\t" \ |
| 1119 | "dsra\t%L0, %L0, 32\n\t" \ | |
| 1da177e4 | 1120 | ".set\tmips0" \ |
| 87d43dd4 AN |
1121 | : "=r" (__val)); \ |
| 1122 | local_irq_restore(__flags); \ | |
| 1da177e4 | 1123 | \ |
| 87d43dd4 | 1124 | __val; \ |
| 1da177e4 LT |
1125 | }) |
| 1126 | ||
| 1127 | #define __write_64bit_c0_split(source, sel, val) \ | |
| 1128 | do { \ | |
| 87d43dd4 | 1129 | unsigned long __flags; \ |
| 1da177e4 | 1130 | \ |
| 87d43dd4 | 1131 | local_irq_save(__flags); \ |
| 1da177e4 LT |
1132 | if (sel == 0) \ |
| 1133 | __asm__ __volatile__( \ | |
| 1134 | ".set\tmips64\n\t" \ | |
| 1135 | "dsll\t%L0, %L0, 32\n\t" \ | |
| 1136 | "dsrl\t%L0, %L0, 32\n\t" \ | |
| 1137 | "dsll\t%M0, %M0, 32\n\t" \ | |
| 1138 | "or\t%L0, %L0, %M0\n\t" \ | |
| 1139 | "dmtc0\t%L0, " #source "\n\t" \ | |
| 1140 | ".set\tmips0" \ | |
| 1141 | : : "r" (val)); \ | |
| 1142 | else \ | |
| 1143 | __asm__ __volatile__( \ | |
| 1144 | ".set\tmips64\n\t" \ | |
| 1145 | "dsll\t%L0, %L0, 32\n\t" \ | |
| 1146 | "dsrl\t%L0, %L0, 32\n\t" \ | |
| 1147 | "dsll\t%M0, %M0, 32\n\t" \ | |
| 1148 | "or\t%L0, %L0, %M0\n\t" \ | |
| 1149 | "dmtc0\t%L0, " #source ", " #sel "\n\t" \ | |
| 1150 | ".set\tmips0" \ | |
| 1151 | : : "r" (val)); \ | |
| 87d43dd4 | 1152 | local_irq_restore(__flags); \ |
| 1da177e4 LT |
1153 | } while (0) |
| 1154 | ||
| 23d06e4f SH |
1155 | #define __readx_32bit_c0_register(source) \ |
| 1156 | ({ \ | |
| 1157 | unsigned int __res; \ | |
| 1158 | \ | |
| 1159 | __asm__ __volatile__( \ | |
| 1160 | " .set push \n" \ | |
| 1161 | " .set noat \n" \ | |
| 1162 | " .set mips32r2 \n" \ | |
| 1163 | " .insn \n" \ | |
| 1164 | " # mfhc0 $1, %1 \n" \ | |
| 1165 | " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \ | |
| 1166 | " move %0, $1 \n" \ | |
| 1167 | " .set pop \n" \ | |
| 1168 | : "=r" (__res) \ | |
| 1169 | : "i" (source)); \ | |
| 1170 | __res; \ | |
| 1171 | }) | |
| 1172 | ||
| 1173 | #define __writex_32bit_c0_register(register, value) \ | |
| 1174 | do { \ | |
| 1175 | __asm__ __volatile__( \ | |
| 1176 | " .set push \n" \ | |
| 1177 | " .set noat \n" \ | |
| 1178 | " .set mips32r2 \n" \ | |
| 1179 | " move $1, %0 \n" \ | |
| 1180 | " # mthc0 $1, %1 \n" \ | |
| 1181 | " .insn \n" \ | |
| 1182 | " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \ | |
| 1183 | " .set pop \n" \ | |
| 1184 | : \ | |
| 1185 | : "r" (value), "i" (register)); \ | |
| 1186 | } while (0) | |
| 1187 | ||
| 1da177e4 LT |
1188 | #define read_c0_index() __read_32bit_c0_register($0, 0) |
| 1189 | #define write_c0_index(val) __write_32bit_c0_register($0, 0, val) | |
| 1190 | ||
| 272bace7 RB |
1191 | #define read_c0_random() __read_32bit_c0_register($1, 0) |
| 1192 | #define write_c0_random(val) __write_32bit_c0_register($1, 0, val) | |
| 1193 | ||
| 1da177e4 LT |
1194 | #define read_c0_entrylo0() __read_ulong_c0_register($2, 0) |
| 1195 | #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val) | |
| 1196 | ||
| 23d06e4f SH |
1197 | #define readx_c0_entrylo0() __readx_32bit_c0_register(2) |
| 1198 | #define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val) | |
| 1199 | ||
| 1da177e4 LT |
1200 | #define read_c0_entrylo1() __read_ulong_c0_register($3, 0) |
| 1201 | #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val) | |
| 1202 | ||
| 23d06e4f SH |
1203 | #define readx_c0_entrylo1() __readx_32bit_c0_register(3) |
| 1204 | #define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val) | |
| 1205 | ||
| 1da177e4 LT |
1206 | #define read_c0_conf() __read_32bit_c0_register($3, 0) |
| 1207 | #define write_c0_conf(val) __write_32bit_c0_register($3, 0, val) | |
| 1208 | ||
| 1209 | #define read_c0_context() __read_ulong_c0_register($4, 0) | |
| 1210 | #define write_c0_context(val) __write_ulong_c0_register($4, 0, val) | |
| 1211 | ||
| a3692020 | 1212 | #define read_c0_userlocal() __read_ulong_c0_register($4, 2) |
| 70342287 | 1213 | #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val) |
| a3692020 | 1214 | |
| 1da177e4 LT |
1215 | #define read_c0_pagemask() __read_32bit_c0_register($5, 0) |
| 1216 | #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) | |
| 1217 | ||
| 9fe2e9d6 | 1218 | #define read_c0_pagegrain() __read_32bit_c0_register($5, 1) |
| 70342287 | 1219 | #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val) |
| 9fe2e9d6 | 1220 | |
| 1da177e4 LT |
1221 | #define read_c0_wired() __read_32bit_c0_register($6, 0) |
| 1222 | #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val) | |
| 1223 | ||
| 1224 | #define read_c0_info() __read_32bit_c0_register($7, 0) | |
| 1225 | ||
| 70342287 | 1226 | #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */ |
| 1da177e4 LT |
1227 | #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val) |
| 1228 | ||
| 15c4f67a RB |
1229 | #define read_c0_badvaddr() __read_ulong_c0_register($8, 0) |
| 1230 | #define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val) | |
| 1231 | ||
| 1da177e4 LT |
1232 | #define read_c0_count() __read_32bit_c0_register($9, 0) |
| 1233 | #define write_c0_count(val) __write_32bit_c0_register($9, 0, val) | |
| 1234 | ||
| bdf21b18 PP |
1235 | #define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */ |
| 1236 | #define write_c0_count2(val) __write_32bit_c0_register($9, 6, val) | |
| 1237 | ||
| 1238 | #define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */ | |
| 1239 | #define write_c0_count3(val) __write_32bit_c0_register($9, 7, val) | |
| 1240 | ||
| 1da177e4 LT |
1241 | #define read_c0_entryhi() __read_ulong_c0_register($10, 0) |
| 1242 | #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) | |
| 1243 | ||
| 1244 | #define read_c0_compare() __read_32bit_c0_register($11, 0) | |
| 1245 | #define write_c0_compare(val) __write_32bit_c0_register($11, 0, val) | |
| 1246 | ||
| bdf21b18 PP |
1247 | #define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */ |
| 1248 | #define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val) | |
| 1249 | ||
| 1250 | #define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */ | |
| 1251 | #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val) | |
| 1252 | ||
| 1da177e4 | 1253 | #define read_c0_status() __read_32bit_c0_register($12, 0) |
| b633648c | 1254 | |
| 1da177e4 LT |
1255 | #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) |
| 1256 | ||
| 1257 | #define read_c0_cause() __read_32bit_c0_register($13, 0) | |
| 1258 | #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val) | |
| 1259 | ||
| 1260 | #define read_c0_epc() __read_ulong_c0_register($14, 0) | |
| 1261 | #define write_c0_epc(val) __write_ulong_c0_register($14, 0, val) | |
| 1262 | ||
| 1263 | #define read_c0_prid() __read_32bit_c0_register($15, 0) | |
| 1264 | ||
| 4dd8ee5d PB |
1265 | #define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3) |
| 1266 | ||
| 1da177e4 LT |
1267 | #define read_c0_config() __read_32bit_c0_register($16, 0) |
| 1268 | #define read_c0_config1() __read_32bit_c0_register($16, 1) | |
| 1269 | #define read_c0_config2() __read_32bit_c0_register($16, 2) | |
| 1270 | #define read_c0_config3() __read_32bit_c0_register($16, 3) | |
| 0efe2761 RB |
1271 | #define read_c0_config4() __read_32bit_c0_register($16, 4) |
| 1272 | #define read_c0_config5() __read_32bit_c0_register($16, 5) | |
| 1273 | #define read_c0_config6() __read_32bit_c0_register($16, 6) | |
| 1274 | #define read_c0_config7() __read_32bit_c0_register($16, 7) | |
| 1da177e4 LT |
1275 | #define write_c0_config(val) __write_32bit_c0_register($16, 0, val) |
| 1276 | #define write_c0_config1(val) __write_32bit_c0_register($16, 1, val) | |
| 1277 | #define write_c0_config2(val) __write_32bit_c0_register($16, 2, val) | |
| 1278 | #define write_c0_config3(val) __write_32bit_c0_register($16, 3, val) | |
| 0efe2761 RB |
1279 | #define write_c0_config4(val) __write_32bit_c0_register($16, 4, val) |
| 1280 | #define write_c0_config5(val) __write_32bit_c0_register($16, 5, val) | |
| 1281 | #define write_c0_config6(val) __write_32bit_c0_register($16, 6, val) | |
| 1282 | #define write_c0_config7(val) __write_32bit_c0_register($16, 7, val) | |
| 1da177e4 | 1283 | |
| b55b9e27 MC |
1284 | #define read_c0_lladdr() __read_ulong_c0_register($17, 0) |
| 1285 | #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val) | |
| e19d5dba PB |
1286 | #define read_c0_maar() __read_ulong_c0_register($17, 1) |
| 1287 | #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val) | |
| 1288 | #define read_c0_maari() __read_32bit_c0_register($17, 2) | |
| 1289 | #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val) | |
| 1290 | ||
| 1da177e4 | 1291 | /* |
| 25985edc | 1292 | * The WatchLo register. There may be up to 8 of them. |
| 1da177e4 LT |
1293 | */ |
| 1294 | #define read_c0_watchlo0() __read_ulong_c0_register($18, 0) | |
| 1295 | #define read_c0_watchlo1() __read_ulong_c0_register($18, 1) | |
| 1296 | #define read_c0_watchlo2() __read_ulong_c0_register($18, 2) | |
| 1297 | #define read_c0_watchlo3() __read_ulong_c0_register($18, 3) | |
| 1298 | #define read_c0_watchlo4() __read_ulong_c0_register($18, 4) | |
| 1299 | #define read_c0_watchlo5() __read_ulong_c0_register($18, 5) | |
| 1300 | #define read_c0_watchlo6() __read_ulong_c0_register($18, 6) | |
| 1301 | #define read_c0_watchlo7() __read_ulong_c0_register($18, 7) | |
| 1302 | #define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val) | |
| 1303 | #define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val) | |
| 1304 | #define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val) | |
| 1305 | #define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val) | |
| 1306 | #define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val) | |
| 1307 | #define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val) | |
| 1308 | #define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val) | |
| 1309 | #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val) | |
| 1310 | ||
| 1311 | /* | |
| 25985edc | 1312 | * The WatchHi register. There may be up to 8 of them. |
| 1da177e4 LT |
1313 | */ |
| 1314 | #define read_c0_watchhi0() __read_32bit_c0_register($19, 0) | |
| 1315 | #define read_c0_watchhi1() __read_32bit_c0_register($19, 1) | |
| 1316 | #define read_c0_watchhi2() __read_32bit_c0_register($19, 2) | |
| 1317 | #define read_c0_watchhi3() __read_32bit_c0_register($19, 3) | |
| 1318 | #define read_c0_watchhi4() __read_32bit_c0_register($19, 4) | |
| 1319 | #define read_c0_watchhi5() __read_32bit_c0_register($19, 5) | |
| 1320 | #define read_c0_watchhi6() __read_32bit_c0_register($19, 6) | |
| 1321 | #define read_c0_watchhi7() __read_32bit_c0_register($19, 7) | |
| 1322 | ||
| 1323 | #define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val) | |
| 1324 | #define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val) | |
| 1325 | #define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val) | |
| 1326 | #define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val) | |
| 1327 | #define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val) | |
| 1328 | #define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val) | |
| 1329 | #define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val) | |
| 1330 | #define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val) | |
| 1331 | ||
| 1332 | #define read_c0_xcontext() __read_ulong_c0_register($20, 0) | |
| 1333 | #define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val) | |
| 1334 | ||
| 1335 | #define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20) | |
| 1336 | #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val) | |
| 1337 | ||
| 1338 | #define read_c0_framemask() __read_32bit_c0_register($21, 0) | |
| 70342287 | 1339 | #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val) |
| 1da177e4 | 1340 | |
| 1da177e4 LT |
1341 | #define read_c0_diag() __read_32bit_c0_register($22, 0) |
| 1342 | #define write_c0_diag(val) __write_32bit_c0_register($22, 0, val) | |
| 1343 | ||
| 8d5ded16 JK |
1344 | /* R10K CP0 Branch Diagnostic register is 64bits wide */ |
| 1345 | #define read_c0_r10k_diag() __read_64bit_c0_register($22, 0) | |
| 1346 | #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val) | |
| 1347 | ||
| 1da177e4 LT |
1348 | #define read_c0_diag1() __read_32bit_c0_register($22, 1) |
| 1349 | #define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val) | |
| 1350 | ||
| 1351 | #define read_c0_diag2() __read_32bit_c0_register($22, 2) | |
| 1352 | #define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val) | |
| 1353 | ||
| 1354 | #define read_c0_diag3() __read_32bit_c0_register($22, 3) | |
| 1355 | #define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val) | |
| 1356 | ||
| 1357 | #define read_c0_diag4() __read_32bit_c0_register($22, 4) | |
| 1358 | #define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val) | |
| 1359 | ||
| 1360 | #define read_c0_diag5() __read_32bit_c0_register($22, 5) | |
| 1361 | #define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val) | |
| 1362 | ||
| 1363 | #define read_c0_debug() __read_32bit_c0_register($23, 0) | |
| 1364 | #define write_c0_debug(val) __write_32bit_c0_register($23, 0, val) | |
| 1365 | ||
| 1366 | #define read_c0_depc() __read_ulong_c0_register($24, 0) | |
| 1367 | #define write_c0_depc(val) __write_ulong_c0_register($24, 0, val) | |
| 1368 | ||
| 1369 | /* | |
| 1370 | * MIPS32 / MIPS64 performance counters | |
| 1371 | */ | |
| 1372 | #define read_c0_perfctrl0() __read_32bit_c0_register($25, 0) | |
| 70342287 | 1373 | #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val) |
| 1da177e4 | 1374 | #define read_c0_perfcntr0() __read_32bit_c0_register($25, 1) |
| 70342287 | 1375 | #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val) |
| 4d36f59d DD |
1376 | #define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1) |
| 1377 | #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val) | |
| 1da177e4 | 1378 | #define read_c0_perfctrl1() __read_32bit_c0_register($25, 2) |
| 70342287 | 1379 | #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val) |
| 1da177e4 | 1380 | #define read_c0_perfcntr1() __read_32bit_c0_register($25, 3) |
| 70342287 | 1381 | #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val) |
| 4d36f59d DD |
1382 | #define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3) |
| 1383 | #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val) | |
| 1da177e4 | 1384 | #define read_c0_perfctrl2() __read_32bit_c0_register($25, 4) |
| 70342287 | 1385 | #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val) |
| 1da177e4 | 1386 | #define read_c0_perfcntr2() __read_32bit_c0_register($25, 5) |
| 70342287 | 1387 | #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val) |
| 4d36f59d DD |
1388 | #define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5) |
| 1389 | #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val) | |
| 1da177e4 | 1390 | #define read_c0_perfctrl3() __read_32bit_c0_register($25, 6) |
| 70342287 | 1391 | #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val) |
| 1da177e4 | 1392 | #define read_c0_perfcntr3() __read_32bit_c0_register($25, 7) |
| 70342287 | 1393 | #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val) |
| 4d36f59d DD |
1394 | #define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7) |
| 1395 | #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val) | |
| 1da177e4 | 1396 | |
| 1da177e4 LT |
1397 | #define read_c0_ecc() __read_32bit_c0_register($26, 0) |
| 1398 | #define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val) | |
| 1399 | ||
| 1400 | #define read_c0_derraddr0() __read_ulong_c0_register($26, 1) | |
| 70342287 | 1401 | #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val) |
| 1da177e4 LT |
1402 | |
| 1403 | #define read_c0_cacheerr() __read_32bit_c0_register($27, 0) | |
| 1404 | ||
| 1405 | #define read_c0_derraddr1() __read_ulong_c0_register($27, 1) | |
| 70342287 | 1406 | #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val) |
| 1da177e4 LT |
1407 | |
| 1408 | #define read_c0_taglo() __read_32bit_c0_register($28, 0) | |
| 1409 | #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val) | |
| 1410 | ||
| 41c594ab RB |
1411 | #define read_c0_dtaglo() __read_32bit_c0_register($28, 2) |
| 1412 | #define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val) | |
| 1413 | ||
| af231172 KC |
1414 | #define read_c0_ddatalo() __read_32bit_c0_register($28, 3) |
| 1415 | #define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val) | |
| 1416 | ||
| 1417 | #define read_c0_staglo() __read_32bit_c0_register($28, 4) | |
| 1418 | #define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val) | |
| 1419 | ||
| 1da177e4 LT |
1420 | #define read_c0_taghi() __read_32bit_c0_register($29, 0) |
| 1421 | #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val) | |
| 1422 | ||
| 1423 | #define read_c0_errorepc() __read_ulong_c0_register($30, 0) | |
| 1424 | #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val) | |
| 1425 | ||
| 7a0fc58c | 1426 | /* MIPSR2 */ |
| 21a151d8 | 1427 | #define read_c0_hwrena() __read_32bit_c0_register($7, 0) |
| 7a0fc58c RB |
1428 | #define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val) |
| 1429 | ||
| 1430 | #define read_c0_intctl() __read_32bit_c0_register($12, 1) | |
| 1431 | #define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val) | |
| 1432 | ||
| 1433 | #define read_c0_srsctl() __read_32bit_c0_register($12, 2) | |
| 1434 | #define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val) | |
| 1435 | ||
| 1436 | #define read_c0_srsmap() __read_32bit_c0_register($12, 3) | |
| 1437 | #define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val) | |
| 1438 | ||
| 21a151d8 | 1439 | #define read_c0_ebase() __read_32bit_c0_register($15, 1) |
| 7a0fc58c RB |
1440 | #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val) |
| 1441 | ||
| 9b3274bd JH |
1442 | #define read_c0_cdmmbase() __read_ulong_c0_register($15, 2) |
| 1443 | #define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val) | |
| 1444 | ||
| 4a0156fb SH |
1445 | /* MIPSR3 */ |
| 1446 | #define read_c0_segctl0() __read_32bit_c0_register($5, 2) | |
| 1447 | #define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val) | |
| 1448 | ||
| 1449 | #define read_c0_segctl1() __read_32bit_c0_register($5, 3) | |
| 1450 | #define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val) | |
| 1451 | ||
| 1452 | #define read_c0_segctl2() __read_32bit_c0_register($5, 4) | |
| 1453 | #define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val) | |
| ed918c2d | 1454 | |
| 87d08bc9 MC |
1455 | /* Hardware Page Table Walker */ |
| 1456 | #define read_c0_pwbase() __read_ulong_c0_register($5, 5) | |
| 1457 | #define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val) | |
| 1458 | ||
| 1459 | #define read_c0_pwfield() __read_ulong_c0_register($5, 6) | |
| 1460 | #define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val) | |
| 1461 | ||
| 1462 | #define read_c0_pwsize() __read_ulong_c0_register($5, 7) | |
| 1463 | #define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val) | |
| 1464 | ||
| 1465 | #define read_c0_pwctl() __read_32bit_c0_register($6, 6) | |
| 1466 | #define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val) | |
| 1467 | ||
| ed918c2d DD |
1468 | /* Cavium OCTEON (cnMIPS) */ |
| 1469 | #define read_c0_cvmcount() __read_ulong_c0_register($9, 6) | |
| 1470 | #define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val) | |
| 1471 | ||
| 1472 | #define read_c0_cvmctl() __read_64bit_c0_register($9, 7) | |
| 1473 | #define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val) | |
| 1474 | ||
| 1475 | #define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7) | |
| 70342287 | 1476 | #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val) |
| ed918c2d | 1477 | /* |
| 70342287 | 1478 | * The cacheerr registers are not standardized. On OCTEON, they are |
| ed918c2d DD |
1479 | * 64 bits wide. |
| 1480 | */ | |
| 1481 | #define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0) | |
| 1482 | #define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val) | |
| 1483 | ||
| 1484 | #define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1) | |
| 1485 | #define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val) | |
| 1486 | ||
| af231172 KC |
1487 | /* BMIPS3300 */ |
| 1488 | #define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0) | |
| 1489 | #define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val) | |
| 1490 | ||
| 1491 | #define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4) | |
| 1492 | #define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val) | |
| 1493 | ||
| 1494 | #define read_c0_brcm_reset() __read_32bit_c0_register($22, 5) | |
| 1495 | #define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val) | |
| 1496 | ||
| 020232f1 | 1497 | /* BMIPS43xx */ |
| af231172 KC |
1498 | #define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1) |
| 1499 | #define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val) | |
| 1500 | ||
| 1501 | #define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2) | |
| 1502 | #define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val) | |
| 1503 | ||
| 1504 | #define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3) | |
| 1505 | #define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val) | |
| 1506 | ||
| 1507 | #define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5) | |
| 1508 | #define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val) | |
| 1509 | ||
| 1510 | #define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6) | |
| 1511 | #define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val) | |
| 1512 | ||
| 1513 | /* BMIPS5000 */ | |
| 1514 | #define read_c0_brcm_config() __read_32bit_c0_register($22, 0) | |
| 1515 | #define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val) | |
| 1516 | ||
| 1517 | #define read_c0_brcm_mode() __read_32bit_c0_register($22, 1) | |
| 1518 | #define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val) | |
| 1519 | ||
| 1520 | #define read_c0_brcm_action() __read_32bit_c0_register($22, 2) | |
| 1521 | #define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val) | |
| 1522 | ||
| 1523 | #define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3) | |
| 1524 | #define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val) | |
| 1525 | ||
| 1526 | #define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4) | |
| 1527 | #define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val) | |
| 1528 | ||
| 1529 | #define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7) | |
| 1530 | #define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val) | |
| 1531 | ||
| 1da177e4 LT |
1532 | /* |
| 1533 | * Macros to access the floating point coprocessor control registers | |
| 1534 | */ | |
| 842dfc11 | 1535 | #define _read_32bit_cp1_register(source, gas_hardfloat) \ |
| b9688310 | 1536 | ({ \ |
| c46a2f01 | 1537 | unsigned int __res; \ |
| b9688310 SH |
1538 | \ |
| 1539 | __asm__ __volatile__( \ | |
| 1540 | " .set push \n" \ | |
| 1541 | " .set reorder \n" \ | |
| 1542 | " # gas fails to assemble cfc1 for some archs, \n" \ | |
| 1543 | " # like Octeon. \n" \ | |
| 1544 | " .set mips1 \n" \ | |
| 842dfc11 | 1545 | " "STR(gas_hardfloat)" \n" \ |
| b9688310 SH |
1546 | " cfc1 %0,"STR(source)" \n" \ |
| 1547 | " .set pop \n" \ | |
| 1548 | : "=r" (__res)); \ | |
| 1549 | __res; \ | |
| 1550 | }) | |
| 1da177e4 | 1551 | |
| 5e32033e JH |
1552 | #define _write_32bit_cp1_register(dest, val, gas_hardfloat) \ |
| 1553 | do { \ | |
| 1554 | __asm__ __volatile__( \ | |
| 1555 | " .set push \n" \ | |
| 1556 | " .set reorder \n" \ | |
| 1557 | " "STR(gas_hardfloat)" \n" \ | |
| 1558 | " ctc1 %0,"STR(dest)" \n" \ | |
| 1559 | " .set pop \n" \ | |
| 1560 | : : "r" (val)); \ | |
| 1561 | } while (0) | |
| 1562 | ||
| 842dfc11 ML |
1563 | #ifdef GAS_HAS_SET_HARDFLOAT |
| 1564 | #define read_32bit_cp1_register(source) \ | |
| 1565 | _read_32bit_cp1_register(source, .set hardfloat) | |
| 5e32033e JH |
1566 | #define write_32bit_cp1_register(dest, val) \ |
| 1567 | _write_32bit_cp1_register(dest, val, .set hardfloat) | |
| 842dfc11 ML |
1568 | #else |
| 1569 | #define read_32bit_cp1_register(source) \ | |
| 1570 | _read_32bit_cp1_register(source, ) | |
| 5e32033e JH |
1571 | #define write_32bit_cp1_register(dest, val) \ |
| 1572 | _write_32bit_cp1_register(dest, val, ) | |
| 842dfc11 ML |
1573 | #endif |
| 1574 | ||
| 32a7ede6 | 1575 | #ifdef HAVE_AS_DSP |
| e50c0a8f RB |
1576 | #define rddsp(mask) \ |
| 1577 | ({ \ | |
| 32a7ede6 | 1578 | unsigned int __dspctl; \ |
| e50c0a8f RB |
1579 | \ |
| 1580 | __asm__ __volatile__( \ | |
| 63c2b681 FF |
1581 | " .set push \n" \ |
| 1582 | " .set dsp \n" \ | |
| 32a7ede6 | 1583 | " rddsp %0, %x1 \n" \ |
| 63c2b681 | 1584 | " .set pop \n" \ |
| 32a7ede6 | 1585 | : "=r" (__dspctl) \ |
| e50c0a8f | 1586 | : "i" (mask)); \ |
| 32a7ede6 | 1587 | __dspctl; \ |
| e50c0a8f RB |
1588 | }) |
| 1589 | ||
| 1590 | #define wrdsp(val, mask) \ | |
| 1591 | do { \ | |
| e50c0a8f | 1592 | __asm__ __volatile__( \ |
| 63c2b681 FF |
1593 | " .set push \n" \ |
| 1594 | " .set dsp \n" \ | |
| 32a7ede6 | 1595 | " wrdsp %0, %x1 \n" \ |
| 63c2b681 | 1596 | " .set pop \n" \ |
| 70342287 | 1597 | : \ |
| e50c0a8f | 1598 | : "r" (val), "i" (mask)); \ |
| e50c0a8f RB |
1599 | } while (0) |
| 1600 | ||
| 63c2b681 FF |
1601 | #define mflo0() \ |
| 1602 | ({ \ | |
| 1603 | long mflo0; \ | |
| 1604 | __asm__( \ | |
| 1605 | " .set push \n" \ | |
| 1606 | " .set dsp \n" \ | |
| 1607 | " mflo %0, $ac0 \n" \ | |
| 1608 | " .set pop \n" \ | |
| 1609 | : "=r" (mflo0)); \ | |
| 1610 | mflo0; \ | |
| 1611 | }) | |
| 1612 | ||
| 1613 | #define mflo1() \ | |
| 1614 | ({ \ | |
| 1615 | long mflo1; \ | |
| 1616 | __asm__( \ | |
| 1617 | " .set push \n" \ | |
| 1618 | " .set dsp \n" \ | |
| 1619 | " mflo %0, $ac1 \n" \ | |
| 1620 | " .set pop \n" \ | |
| 1621 | : "=r" (mflo1)); \ | |
| 1622 | mflo1; \ | |
| 1623 | }) | |
| 1624 | ||
| 1625 | #define mflo2() \ | |
| 1626 | ({ \ | |
| 1627 | long mflo2; \ | |
| 1628 | __asm__( \ | |
| 1629 | " .set push \n" \ | |
| 1630 | " .set dsp \n" \ | |
| 1631 | " mflo %0, $ac2 \n" \ | |
| 1632 | " .set pop \n" \ | |
| 1633 | : "=r" (mflo2)); \ | |
| 1634 | mflo2; \ | |
| 1635 | }) | |
| 1636 | ||
| 1637 | #define mflo3() \ | |
| 1638 | ({ \ | |
| 1639 | long mflo3; \ | |
| 1640 | __asm__( \ | |
| 1641 | " .set push \n" \ | |
| 1642 | " .set dsp \n" \ | |
| 1643 | " mflo %0, $ac3 \n" \ | |
| 1644 | " .set pop \n" \ | |
| 1645 | : "=r" (mflo3)); \ | |
| 1646 | mflo3; \ | |
| 1647 | }) | |
| 1648 | ||
| 1649 | #define mfhi0() \ | |
| 1650 | ({ \ | |
| 1651 | long mfhi0; \ | |
| 1652 | __asm__( \ | |
| 1653 | " .set push \n" \ | |
| 1654 | " .set dsp \n" \ | |
| 1655 | " mfhi %0, $ac0 \n" \ | |
| 1656 | " .set pop \n" \ | |
| 1657 | : "=r" (mfhi0)); \ | |
| 1658 | mfhi0; \ | |
| 1659 | }) | |
| 1660 | ||
| 1661 | #define mfhi1() \ | |
| 1662 | ({ \ | |
| 1663 | long mfhi1; \ | |
| 1664 | __asm__( \ | |
| 1665 | " .set push \n" \ | |
| 1666 | " .set dsp \n" \ | |
| 1667 | " mfhi %0, $ac1 \n" \ | |
| 1668 | " .set pop \n" \ | |
| 1669 | : "=r" (mfhi1)); \ | |
| 1670 | mfhi1; \ | |
| 1671 | }) | |
| 1672 | ||
| 1673 | #define mfhi2() \ | |
| 1674 | ({ \ | |
| 1675 | long mfhi2; \ | |
| 1676 | __asm__( \ | |
| 1677 | " .set push \n" \ | |
| 1678 | " .set dsp \n" \ | |
| 1679 | " mfhi %0, $ac2 \n" \ | |
| 1680 | " .set pop \n" \ | |
| 1681 | : "=r" (mfhi2)); \ | |
| 1682 | mfhi2; \ | |
| 1683 | }) | |
| 1684 | ||
| 1685 | #define mfhi3() \ | |
| 1686 | ({ \ | |
| 1687 | long mfhi3; \ | |
| 1688 | __asm__( \ | |
| 1689 | " .set push \n" \ | |
| 1690 | " .set dsp \n" \ | |
| 1691 | " mfhi %0, $ac3 \n" \ | |
| 1692 | " .set pop \n" \ | |
| 1693 | : "=r" (mfhi3)); \ | |
| 1694 | mfhi3; \ | |
| 1695 | }) | |
| 1696 | ||
| 1697 | ||
| 1698 | #define mtlo0(x) \ | |
| 1699 | ({ \ | |
| 1700 | __asm__( \ | |
| 1701 | " .set push \n" \ | |
| 1702 | " .set dsp \n" \ | |
| 1703 | " mtlo %0, $ac0 \n" \ | |
| 1704 | " .set pop \n" \ | |
| 1705 | : \ | |
| 1706 | : "r" (x)); \ | |
| 1707 | }) | |
| 1708 | ||
| 1709 | #define mtlo1(x) \ | |
| 1710 | ({ \ | |
| 1711 | __asm__( \ | |
| 1712 | " .set push \n" \ | |
| 1713 | " .set dsp \n" \ | |
| 1714 | " mtlo %0, $ac1 \n" \ | |
| 1715 | " .set pop \n" \ | |
| 1716 | : \ | |
| 1717 | : "r" (x)); \ | |
| 1718 | }) | |
| 1719 | ||
| 1720 | #define mtlo2(x) \ | |
| 1721 | ({ \ | |
| 1722 | __asm__( \ | |
| 1723 | " .set push \n" \ | |
| 1724 | " .set dsp \n" \ | |
| 1725 | " mtlo %0, $ac2 \n" \ | |
| 1726 | " .set pop \n" \ | |
| 1727 | : \ | |
| 1728 | : "r" (x)); \ | |
| 1729 | }) | |
| 1730 | ||
| 1731 | #define mtlo3(x) \ | |
| 1732 | ({ \ | |
| 1733 | __asm__( \ | |
| 1734 | " .set push \n" \ | |
| 1735 | " .set dsp \n" \ | |
| 1736 | " mtlo %0, $ac3 \n" \ | |
| 1737 | " .set pop \n" \ | |
| 1738 | : \ | |
| 1739 | : "r" (x)); \ | |
| 1740 | }) | |
| 1741 | ||
| 1742 | #define mthi0(x) \ | |
| 1743 | ({ \ | |
| 1744 | __asm__( \ | |
| 1745 | " .set push \n" \ | |
| 1746 | " .set dsp \n" \ | |
| 1747 | " mthi %0, $ac0 \n" \ | |
| 1748 | " .set pop \n" \ | |
| 1749 | : \ | |
| 1750 | : "r" (x)); \ | |
| 1751 | }) | |
| 1752 | ||
| 1753 | #define mthi1(x) \ | |
| 1754 | ({ \ | |
| 1755 | __asm__( \ | |
| 1756 | " .set push \n" \ | |
| 1757 | " .set dsp \n" \ | |
| 1758 | " mthi %0, $ac1 \n" \ | |
| 1759 | " .set pop \n" \ | |
| 1760 | : \ | |
| 1761 | : "r" (x)); \ | |
| 1762 | }) | |
| 1763 | ||
| 1764 | #define mthi2(x) \ | |
| 1765 | ({ \ | |
| 1766 | __asm__( \ | |
| 1767 | " .set push \n" \ | |
| 1768 | " .set dsp \n" \ | |
| 1769 | " mthi %0, $ac2 \n" \ | |
| 1770 | " .set pop \n" \ | |
| 1771 | : \ | |
| 1772 | : "r" (x)); \ | |
| 1773 | }) | |
| 1774 | ||
| 1775 | #define mthi3(x) \ | |
| 1776 | ({ \ | |
| 1777 | __asm__( \ | |
| 1778 | " .set push \n" \ | |
| 1779 | " .set dsp \n" \ | |
| 1780 | " mthi %0, $ac3 \n" \ | |
| 1781 | " .set pop \n" \ | |
| 1782 | : \ | |
| 1783 | : "r" (x)); \ | |
| 1784 | }) | |
| e50c0a8f RB |
1785 | |
| 1786 | #else | |
| 1787 | ||
| d0c1b478 SH |
1788 | #ifdef CONFIG_CPU_MICROMIPS |
| 1789 | #define rddsp(mask) \ | |
| e50c0a8f | 1790 | ({ \ |
| d0c1b478 | 1791 | unsigned int __res; \ |
| e50c0a8f RB |
1792 | \ |
| 1793 | __asm__ __volatile__( \ | |
| e50c0a8f RB |
1794 | " .set push \n" \ |
| 1795 | " .set noat \n" \ | |
| d0c1b478 SH |
1796 | " # rddsp $1, %x1 \n" \ |
| 1797 | " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \ | |
| 1798 | " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \ | |
| 1799 | " move %0, $1 \n" \ | |
| e50c0a8f | 1800 | " .set pop \n" \ |
| d0c1b478 SH |
1801 | : "=r" (__res) \ |
| 1802 | : "i" (mask)); \ | |
| 1803 | __res; \ | |
| 1804 | }) | |
| e50c0a8f | 1805 | |
| d0c1b478 | 1806 | #define wrdsp(val, mask) \ |
| e50c0a8f RB |
1807 | do { \ |
| 1808 | __asm__ __volatile__( \ | |
| 1809 | " .set push \n" \ | |
| 1810 | " .set noat \n" \ | |
| 1811 | " move $1, %0 \n" \ | |
| d0c1b478 SH |
1812 | " # wrdsp $1, %x1 \n" \ |
| 1813 | " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \ | |
| 1814 | " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \ | |
| e50c0a8f RB |
1815 | " .set pop \n" \ |
| 1816 | : \ | |
| d0c1b478 | 1817 | : "r" (val), "i" (mask)); \ |
| e50c0a8f RB |
1818 | } while (0) |
| 1819 | ||
| d0c1b478 SH |
1820 | #define _umips_dsp_mfxxx(ins) \ |
| 1821 | ({ \ | |
| 1822 | unsigned long __treg; \ | |
| 1823 | \ | |
| e50c0a8f RB |
1824 | __asm__ __volatile__( \ |
| 1825 | " .set push \n" \ | |
| 1826 | " .set noat \n" \ | |
| d0c1b478 SH |
1827 | " .hword 0x0001 \n" \ |
| 1828 | " .hword %x1 \n" \ | |
| 1829 | " move %0, $1 \n" \ | |
| e50c0a8f | 1830 | " .set pop \n" \ |
| d0c1b478 SH |
1831 | : "=r" (__treg) \ |
| 1832 | : "i" (ins)); \ | |
| 1833 | __treg; \ | |
| 1834 | }) | |
| e50c0a8f | 1835 | |
| d0c1b478 | 1836 | #define _umips_dsp_mtxxx(val, ins) \ |
| e50c0a8f RB |
1837 | do { \ |
| 1838 | __asm__ __volatile__( \ | |
| 1839 | " .set push \n" \ | |
| 1840 | " .set noat \n" \ | |
| 1841 | " move $1, %0 \n" \ | |
| d0c1b478 SH |
1842 | " .hword 0x0001 \n" \ |
| 1843 | " .hword %x1 \n" \ | |
| e50c0a8f RB |
1844 | " .set pop \n" \ |
| 1845 | : \ | |
| d0c1b478 | 1846 | : "r" (val), "i" (ins)); \ |
| e50c0a8f RB |
1847 | } while (0) |
| 1848 | ||
| d0c1b478 SH |
1849 | #define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c) |
| 1850 | #define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c) | |
| 1851 | ||
| 1852 | #define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c)) | |
| 1853 | #define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c)) | |
| 1854 | ||
| 1855 | #define mflo0() _umips_dsp_mflo(0) | |
| 1856 | #define mflo1() _umips_dsp_mflo(1) | |
| 1857 | #define mflo2() _umips_dsp_mflo(2) | |
| 1858 | #define mflo3() _umips_dsp_mflo(3) | |
| 1859 | ||
| 1860 | #define mfhi0() _umips_dsp_mfhi(0) | |
| 1861 | #define mfhi1() _umips_dsp_mfhi(1) | |
| 1862 | #define mfhi2() _umips_dsp_mfhi(2) | |
| 1863 | #define mfhi3() _umips_dsp_mfhi(3) | |
| 1864 | ||
| 1865 | #define mtlo0(x) _umips_dsp_mtlo(x, 0) | |
| 1866 | #define mtlo1(x) _umips_dsp_mtlo(x, 1) | |
| 1867 | #define mtlo2(x) _umips_dsp_mtlo(x, 2) | |
| 1868 | #define mtlo3(x) _umips_dsp_mtlo(x, 3) | |
| 1869 | ||
| 1870 | #define mthi0(x) _umips_dsp_mthi(x, 0) | |
| 1871 | #define mthi1(x) _umips_dsp_mthi(x, 1) | |
| 1872 | #define mthi2(x) _umips_dsp_mthi(x, 2) | |
| 1873 | #define mthi3(x) _umips_dsp_mthi(x, 3) | |
| 1874 | ||
| 1875 | #else /* !CONFIG_CPU_MICROMIPS */ | |
| 32a7ede6 SH |
1876 | #define rddsp(mask) \ |
| 1877 | ({ \ | |
| 1878 | unsigned int __res; \ | |
| 1879 | \ | |
| e50c0a8f | 1880 | __asm__ __volatile__( \ |
| 32a7ede6 SH |
1881 | " .set push \n" \ |
| 1882 | " .set noat \n" \ | |
| 1883 | " # rddsp $1, %x1 \n" \ | |
| 1884 | " .word 0x7c000cb8 | (%x1 << 16) \n" \ | |
| 1885 | " move %0, $1 \n" \ | |
| 1886 | " .set pop \n" \ | |
| 1887 | : "=r" (__res) \ | |
| 1888 | : "i" (mask)); \ | |
| 1889 | __res; \ | |
| 1890 | }) | |
| e50c0a8f | 1891 | |
| 32a7ede6 | 1892 | #define wrdsp(val, mask) \ |
| e50c0a8f RB |
1893 | do { \ |
| 1894 | __asm__ __volatile__( \ | |
| 1895 | " .set push \n" \ | |
| 1896 | " .set noat \n" \ | |
| 1897 | " move $1, %0 \n" \ | |
| 32a7ede6 SH |
1898 | " # wrdsp $1, %x1 \n" \ |
| 1899 | " .word 0x7c2004f8 | (%x1 << 11) \n" \ | |
| e50c0a8f | 1900 | " .set pop \n" \ |
| 32a7ede6 SH |
1901 | : \ |
| 1902 | : "r" (val), "i" (mask)); \ | |
| e50c0a8f RB |
1903 | } while (0) |
| 1904 | ||
| 4cb764b4 | 1905 | #define _dsp_mfxxx(ins) \ |
| e50c0a8f RB |
1906 | ({ \ |
| 1907 | unsigned long __treg; \ | |
| 1908 | \ | |
| e50c0a8f RB |
1909 | __asm__ __volatile__( \ |
| 1910 | " .set push \n" \ | |
| 1911 | " .set noat \n" \ | |
| 4cb764b4 SH |
1912 | " .word (0x00000810 | %1) \n" \ |
| 1913 | " move %0, $1 \n" \ | |
| e50c0a8f | 1914 | " .set pop \n" \ |
| 4cb764b4 SH |
1915 | : "=r" (__treg) \ |
| 1916 | : "i" (ins)); \ | |
| 1917 | __treg; \ | |
| 1918 | }) | |
| e50c0a8f | 1919 | |
| 4cb764b4 | 1920 | #define _dsp_mtxxx(val, ins) \ |
| e50c0a8f RB |
1921 | do { \ |
| 1922 | __asm__ __volatile__( \ | |
| 1923 | " .set push \n" \ | |
| 1924 | " .set noat \n" \ | |
| 1925 | " move $1, %0 \n" \ | |
| 4cb764b4 | 1926 | " .word (0x00200011 | %1) \n" \ |
| e50c0a8f RB |
1927 | " .set pop \n" \ |
| 1928 | : \ | |
| 4cb764b4 | 1929 | : "r" (val), "i" (ins)); \ |
| e50c0a8f RB |
1930 | } while (0) |
| 1931 | ||
| 4cb764b4 SH |
1932 | #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002) |
| 1933 | #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000) | |
| e50c0a8f | 1934 | |
| 4cb764b4 SH |
1935 | #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002)) |
| 1936 | #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000)) | |
| e50c0a8f | 1937 | |
| 4cb764b4 SH |
1938 | #define mflo0() _dsp_mflo(0) |
| 1939 | #define mflo1() _dsp_mflo(1) | |
| 1940 | #define mflo2() _dsp_mflo(2) | |
| 1941 | #define mflo3() _dsp_mflo(3) | |
| e50c0a8f | 1942 | |
| 4cb764b4 SH |
1943 | #define mfhi0() _dsp_mfhi(0) |
| 1944 | #define mfhi1() _dsp_mfhi(1) | |
| 1945 | #define mfhi2() _dsp_mfhi(2) | |
| 1946 | #define mfhi3() _dsp_mfhi(3) | |
| e50c0a8f | 1947 | |
| 4cb764b4 SH |
1948 | #define mtlo0(x) _dsp_mtlo(x, 0) |
| 1949 | #define mtlo1(x) _dsp_mtlo(x, 1) | |
| 1950 | #define mtlo2(x) _dsp_mtlo(x, 2) | |
| 1951 | #define mtlo3(x) _dsp_mtlo(x, 3) | |
| e50c0a8f | 1952 | |
| 4cb764b4 SH |
1953 | #define mthi0(x) _dsp_mthi(x, 0) |
| 1954 | #define mthi1(x) _dsp_mthi(x, 1) | |
| 1955 | #define mthi2(x) _dsp_mthi(x, 2) | |
| 1956 | #define mthi3(x) _dsp_mthi(x, 3) | |
| e50c0a8f | 1957 | |
| d0c1b478 | 1958 | #endif /* CONFIG_CPU_MICROMIPS */ |
| e50c0a8f RB |
1959 | #endif |
| 1960 | ||
| 1da177e4 LT |
1961 | /* |
| 1962 | * TLB operations. | |
| 1963 | * | |
| 1964 | * It is responsibility of the caller to take care of any TLB hazards. | |
| 1965 | */ | |
| 1966 | static inline void tlb_probe(void) | |
| 1967 | { | |
| 1968 | __asm__ __volatile__( | |
| 1969 | ".set noreorder\n\t" | |
| 1970 | "tlbp\n\t" | |
| 1971 | ".set reorder"); | |
| 1972 | } | |
| 1973 | ||
| 1974 | static inline void tlb_read(void) | |
| 1975 | { | |
| 9267a30d MSJ |
1976 | #if MIPS34K_MISSED_ITLB_WAR |
| 1977 | int res = 0; | |
| 1978 | ||
| 1979 | __asm__ __volatile__( | |
| 1980 | " .set push \n" | |
| 1981 | " .set noreorder \n" | |
| 1982 | " .set noat \n" | |
| 1983 | " .set mips32r2 \n" | |
| 1984 | " .word 0x41610001 # dvpe $1 \n" | |
| 1985 | " move %0, $1 \n" | |
| 1986 | " ehb \n" | |
| 1987 | " .set pop \n" | |
| 1988 | : "=r" (res)); | |
| 1989 | ||
| 1990 | instruction_hazard(); | |
| 1991 | #endif | |
| 1992 | ||
| 1da177e4 LT |
1993 | __asm__ __volatile__( |
| 1994 | ".set noreorder\n\t" | |
| 1995 | "tlbr\n\t" | |
| 1996 | ".set reorder"); | |
| 9267a30d MSJ |
1997 | |
| 1998 | #if MIPS34K_MISSED_ITLB_WAR | |
| 1999 | if ((res & _ULCAST_(1))) | |
| 2000 | __asm__ __volatile__( | |
| 2001 | " .set push \n" | |
| 2002 | " .set noreorder \n" | |
| 2003 | " .set noat \n" | |
| 2004 | " .set mips32r2 \n" | |
| 2005 | " .word 0x41600021 # evpe \n" | |
| 2006 | " ehb \n" | |
| 2007 | " .set pop \n"); | |
| 2008 | #endif | |
| 1da177e4 LT |
2009 | } |
| 2010 | ||
| 2011 | static inline void tlb_write_indexed(void) | |
| 2012 | { | |
| 2013 | __asm__ __volatile__( | |
| 2014 | ".set noreorder\n\t" | |
| 2015 | "tlbwi\n\t" | |
| 2016 | ".set reorder"); | |
| 2017 | } | |
| 2018 | ||
| 2019 | static inline void tlb_write_random(void) | |
| 2020 | { | |
| 2021 | __asm__ __volatile__( | |
| 2022 | ".set noreorder\n\t" | |
| 2023 | "tlbwr\n\t" | |
| 2024 | ".set reorder"); | |
| 2025 | } | |
| 2026 | ||
| 2027 | /* | |
| 2028 | * Manipulate bits in a c0 register. | |
| 2029 | */ | |
| 2030 | #define __BUILD_SET_C0(name) \ | |
| 2031 | static inline unsigned int \ | |
| 2032 | set_c0_##name(unsigned int set) \ | |
| 2033 | { \ | |
| 89e18eb3 | 2034 | unsigned int res, new; \ |
| 1da177e4 LT |
2035 | \ |
| 2036 | res = read_c0_##name(); \ | |
| 89e18eb3 RB |
2037 | new = res | set; \ |
| 2038 | write_c0_##name(new); \ | |
| 1da177e4 LT |
2039 | \ |
| 2040 | return res; \ | |
| 2041 | } \ | |
| 2042 | \ | |
| 2043 | static inline unsigned int \ | |
| 2044 | clear_c0_##name(unsigned int clear) \ | |
| 2045 | { \ | |
| 89e18eb3 | 2046 | unsigned int res, new; \ |
| 1da177e4 LT |
2047 | \ |
| 2048 | res = read_c0_##name(); \ | |
| 89e18eb3 RB |
2049 | new = res & ~clear; \ |
| 2050 | write_c0_##name(new); \ | |
| 1da177e4 LT |
2051 | \ |
| 2052 | return res; \ | |
| 2053 | } \ | |
| 2054 | \ | |
| 2055 | static inline unsigned int \ | |
| 89e18eb3 | 2056 | change_c0_##name(unsigned int change, unsigned int val) \ |
| 1da177e4 | 2057 | { \ |
| 89e18eb3 | 2058 | unsigned int res, new; \ |
| 1da177e4 LT |
2059 | \ |
| 2060 | res = read_c0_##name(); \ | |
| 89e18eb3 RB |
2061 | new = res & ~change; \ |
| 2062 | new |= (val & change); \ | |
| 2063 | write_c0_##name(new); \ | |
| 1da177e4 LT |
2064 | \ |
| 2065 | return res; \ | |
| 2066 | } | |
| 2067 | ||
| 2068 | __BUILD_SET_C0(status) | |
| 2069 | __BUILD_SET_C0(cause) | |
| 2070 | __BUILD_SET_C0(config) | |
| 7f65afb9 | 2071 | __BUILD_SET_C0(config5) |
| 1da177e4 | 2072 | __BUILD_SET_C0(intcontrol) |
| 7a0fc58c RB |
2073 | __BUILD_SET_C0(intctl) |
| 2074 | __BUILD_SET_C0(srsmap) | |
| a5770df0 | 2075 | __BUILD_SET_C0(pagegrain) |
| 020232f1 KC |
2076 | __BUILD_SET_C0(brcm_config_0) |
| 2077 | __BUILD_SET_C0(brcm_bus_pll) | |
| 2078 | __BUILD_SET_C0(brcm_reset) | |
| 2079 | __BUILD_SET_C0(brcm_cmt_intr) | |
| 2080 | __BUILD_SET_C0(brcm_cmt_ctrl) | |
| 2081 | __BUILD_SET_C0(brcm_config) | |
| 2082 | __BUILD_SET_C0(brcm_mode) | |
| 1da177e4 | 2083 | |
| 45b585c8 DD |
2084 | /* |
| 2085 | * Return low 10 bits of ebase. | |
| 2086 | * Note that under KVM (MIPSVZ) this returns vcpu id. | |
| 2087 | */ | |
| 2088 | static inline unsigned int get_ebase_cpunum(void) | |
| 2089 | { | |
| 2090 | return read_c0_ebase() & 0x3ff; | |
| 2091 | } | |
| 2092 | ||
| 1da177e4 LT |
2093 | #endif /* !__ASSEMBLY__ */ |
| 2094 | ||
| 2095 | #endif /* _ASM_MIPSREGS_H */ |