armreg.h revision 1.60
1 /* $NetBSD: armreg.h,v 1.60 2012/08/29 17:44:25 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Ben Harris 5 * Copyright (c) 1994-1996 Mark Brinicombe. 6 * Copyright (c) 1994 Brini. 7 * All rights reserved. 8 * 9 * This code is derived from software written for Brini by Mark Brinicombe 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by Brini. 22 * 4. The name of the company nor the name of the author may be used to 23 * endorse or promote products derived from this software without specific 24 * prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 29 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #ifndef _ARM_ARMREG_H 40 #define _ARM_ARMREG_H 41 42 /* 43 * ARM Process Status Register 44 * 45 * The picture in the ARM manuals looks like this: 46 * 3 3 2 2 2 2 47 * 1 0 9 8 7 6 8 7 6 5 4 0 48 * +-+-+-+-+-+-------------------------------------+-+-+-+---------+ 49 * |N|Z|C|V|Q| reserved |I|F|T|M M M M M| 50 * | | | | | | | | | |4 3 2 1 0| 51 * +-+-+-+-+-+-------------------------------------+-+-+-+---------+ 52 */ 53 54 #define PSR_FLAGS 0xf0000000 /* flags */ 55 #define PSR_N_bit (1 << 31) /* negative */ 56 #define PSR_Z_bit (1 << 30) /* zero */ 57 #define PSR_C_bit (1 << 29) /* carry */ 58 #define PSR_V_bit (1 << 28) /* overflow */ 59 60 #define PSR_Q_bit (1 << 27) /* saturation */ 61 62 #define I32_bit (1 << 7) /* IRQ disable */ 63 #define F32_bit (1 << 6) /* FIQ disable */ 64 #define IF32_bits (3 << 6) /* IRQ/FIQ disable */ 65 66 #define PSR_T_bit (1 << 5) /* Thumb state */ 67 #define PSR_J_bit (1 << 24) /* Java mode */ 68 69 #define PSR_MODE 0x0000001f /* mode mask */ 70 #define PSR_USR26_MODE 0x00000000 71 #define PSR_FIQ26_MODE 0x00000001 72 #define PSR_IRQ26_MODE 0x00000002 73 #define PSR_SVC26_MODE 0x00000003 74 #define PSR_USR32_MODE 0x00000010 75 #define PSR_FIQ32_MODE 0x00000011 76 #define PSR_IRQ32_MODE 0x00000012 77 #define PSR_SVC32_MODE 0x00000013 78 #define PSR_MON32_MODE 0x00000016 79 #define PSR_ABT32_MODE 0x00000017 80 #define PSR_UND32_MODE 0x0000001b 81 #define PSR_SYS32_MODE 0x0000001f 82 #define PSR_32_MODE 0x00000010 83 84 #define PSR_IN_USR_MODE(psr) (!((psr) & 3)) /* XXX */ 85 #define PSR_IN_32_MODE(psr) ((psr) & PSR_32_MODE) 86 87 /* In 26-bit modes, the PSR is stuffed into R15 along with the PC. */ 88 89 #define R15_MODE 0x00000003 90 #define R15_MODE_USR 0x00000000 91 #define R15_MODE_FIQ 0x00000001 92 #define R15_MODE_IRQ 0x00000002 93 #define R15_MODE_SVC 0x00000003 94 95 #define R15_PC 0x03fffffc 96 97 #define R15_FIQ_DISABLE 0x04000000 98 #define R15_IRQ_DISABLE 0x08000000 99 100 #define R15_FLAGS 0xf0000000 101 #define R15_FLAG_N 0x80000000 102 #define R15_FLAG_Z 0x40000000 103 #define R15_FLAG_C 0x20000000 104 #define R15_FLAG_V 0x10000000 105 106 /* 107 * Co-processor 15: The system control co-processor. 108 */ 109 110 #define ARM_CP15_CPU_ID 0 111 112 /* 113 * The CPU ID register is theoretically structured, but the definitions of 114 * the fields keep changing. 115 */ 116 117 /* The high-order byte is always the implementor */ 118 #define CPU_ID_IMPLEMENTOR_MASK 0xff000000 119 #define CPU_ID_ARM_LTD 0x41000000 /* 'A' */ 120 #define CPU_ID_DEC 0x44000000 /* 'D' */ 121 #define CPU_ID_INTEL 0x69000000 /* 'i' */ 122 #define CPU_ID_TI 0x54000000 /* 'T' */ 123 #define CPU_ID_MARVELL 0x56000000 /* 'V' */ 124 #define CPU_ID_FARADAY 0x66000000 /* 'f' */ 125 126 /* How to decide what format the CPUID is in. */ 127 #define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000) 128 #define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000) 129 #define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x)) 130 131 /* On ARM3 and ARM6, this byte holds the foundry ID. */ 132 #define CPU_ID_FOUNDRY_MASK 0x00ff0000 133 #define CPU_ID_FOUNDRY_VLSI 0x00560000 134 135 /* On ARM7 it holds the architecture and variant (sub-model) */ 136 #define CPU_ID_7ARCH_MASK 0x00800000 137 #define CPU_ID_7ARCH_V3 0x00000000 138 #define CPU_ID_7ARCH_V4T 0x00800000 139 #define CPU_ID_7VARIANT_MASK 0x007f0000 140 141 /* On more recent ARMs, it does the same, but in a different format */ 142 #define CPU_ID_ARCH_MASK 0x000f0000 143 #define CPU_ID_ARCH_V3 0x00000000 144 #define CPU_ID_ARCH_V4 0x00010000 145 #define CPU_ID_ARCH_V4T 0x00020000 146 #define CPU_ID_ARCH_V5 0x00030000 147 #define CPU_ID_ARCH_V5T 0x00040000 148 #define CPU_ID_ARCH_V5TE 0x00050000 149 #define CPU_ID_ARCH_V5TEJ 0x00060000 150 #define CPU_ID_ARCH_V6 0x00070000 151 #define CPU_ID_VARIANT_MASK 0x00f00000 152 153 /* Next three nybbles are part number */ 154 #define CPU_ID_PARTNO_MASK 0x0000fff0 155 156 /* Intel XScale has sub fields in part number */ 157 #define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */ 158 #define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */ 159 #define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */ 160 161 /* And finally, the revision number. */ 162 #define CPU_ID_REVISION_MASK 0x0000000f 163 164 /* Individual CPUs are probably best IDed by everything but the revision. */ 165 #define CPU_ID_CPU_MASK 0xfffffff0 166 167 /* Fake CPU IDs for ARMs without CP15 */ 168 #define CPU_ID_ARM2 0x41560200 169 #define CPU_ID_ARM250 0x41560250 170 171 /* Pre-ARM7 CPUs -- [15:12] == 0 */ 172 #define CPU_ID_ARM3 0x41560300 173 #define CPU_ID_ARM600 0x41560600 174 #define CPU_ID_ARM610 0x41560610 175 #define CPU_ID_ARM620 0x41560620 176 177 /* ARM7 CPUs -- [15:12] == 7 */ 178 #define CPU_ID_ARM700 0x41007000 /* XXX This is a guess. */ 179 #define CPU_ID_ARM710 0x41007100 180 #define CPU_ID_ARM7500 0x41027100 181 #define CPU_ID_ARM710A 0x41047100 /* inc ARM7100 */ 182 #define CPU_ID_ARM7500FE 0x41077100 183 #define CPU_ID_ARM710T 0x41807100 184 #define CPU_ID_ARM720T 0x41807200 185 #define CPU_ID_ARM740T8K 0x41807400 /* XXX no MMU, 8KB cache */ 186 #define CPU_ID_ARM740T4K 0x41817400 /* XXX no MMU, 4KB cache */ 187 188 /* Post-ARM7 CPUs */ 189 #define CPU_ID_ARM810 0x41018100 190 #define CPU_ID_ARM920T 0x41129200 191 #define CPU_ID_ARM922T 0x41029220 192 #define CPU_ID_ARM926EJS 0x41069260 193 #define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */ 194 #define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */ 195 #define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */ 196 #define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */ 197 #define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */ 198 #define CPU_ID_ARM1022ES 0x4105a220 199 #define CPU_ID_ARM1026EJS 0x4106a260 200 #define CPU_ID_ARM11MPCORE 0x410fb020 201 #define CPU_ID_ARM1136JS 0x4107b360 202 #define CPU_ID_ARM1136JSR1 0x4117b360 203 #define CPU_ID_ARM1156T2S 0x4107b560 /* MPU only */ 204 #define CPU_ID_ARM1176JZS 0x410fb760 205 #define CPU_ID_ARM11_P(n) ((n & 0xff07f000) == 0x4107b000) 206 #define CPU_ID_CORTEXA5R0 0x410fc050 207 #define CPU_ID_CORTEXA8R1 0x411fc080 208 #define CPU_ID_CORTEXA8R2 0x412fc080 209 #define CPU_ID_CORTEXA8R3 0x413fc080 210 #define CPU_ID_CORTEXA9R2 0x411fc090 211 #define CPU_ID_CORTEXA9R3 0x412fc090 212 #define CPU_ID_CORTEXA9R4 0x413fc090 213 #define CPU_ID_CORTEXA15R2 0x412fc0f0 214 #define CPU_ID_CORTEXA15R3 0x413fc0f0 215 #define CPU_ID_CORTEX_P(n) ((n & 0xff0ff000) == 0x410fc000) 216 #define CPU_ID_CORTEX_A8_P(n) ((n & 0xff0ff0f0) == 0x410fc080) 217 #define CPU_ID_CORTEX_A9_P(n) ((n & 0xff0ff0f0) == 0x410fc090) 218 #define CPU_ID_SA110 0x4401a100 219 #define CPU_ID_SA1100 0x4401a110 220 #define CPU_ID_TI925T 0x54029250 221 #define CPU_ID_MV88FR571_VD 0x56155710 222 #define CPU_ID_MV88SV131 0x56251310 223 #define CPU_ID_FA526 0x66015260 224 #define CPU_ID_SA1110 0x6901b110 225 #define CPU_ID_IXP1200 0x6901c120 226 #define CPU_ID_80200 0x69052000 227 #define CPU_ID_PXA250 0x69052100 /* sans core revision */ 228 #define CPU_ID_PXA210 0x69052120 229 #define CPU_ID_PXA250A 0x69052100 /* 1st version Core */ 230 #define CPU_ID_PXA210A 0x69052120 /* 1st version Core */ 231 #define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */ 232 #define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */ 233 #define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */ 234 #define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */ 235 #define CPU_ID_PXA27X 0x69054110 236 #define CPU_ID_80321_400 0x69052420 237 #define CPU_ID_80321_600 0x69052430 238 #define CPU_ID_80321_400_B0 0x69052c20 239 #define CPU_ID_80321_600_B0 0x69052c30 240 #define CPU_ID_80219_400 0x69052e20 241 #define CPU_ID_80219_600 0x69052e30 242 #define CPU_ID_IXP425_533 0x690541c0 243 #define CPU_ID_IXP425_400 0x690541d0 244 #define CPU_ID_IXP425_266 0x690541f0 245 246 /* ARM3-specific coprocessor 15 registers */ 247 #define ARM3_CP15_FLUSH 1 248 #define ARM3_CP15_CONTROL 2 249 #define ARM3_CP15_CACHEABLE 3 250 #define ARM3_CP15_UPDATEABLE 4 251 #define ARM3_CP15_DISRUPTIVE 5 252 253 /* ARM3 Control register bits */ 254 #define ARM3_CTL_CACHE_ON 0x00000001 255 #define ARM3_CTL_SHARED 0x00000002 256 #define ARM3_CTL_MONITOR 0x00000004 257 258 /* 259 * Post-ARM3 CP15 registers: 260 * 261 * 1 Control register 262 * 263 * 2 Translation Table Base 264 * 265 * 3 Domain Access Control 266 * 267 * 4 Reserved 268 * 269 * 5 Fault Status 270 * 271 * 6 Fault Address 272 * 273 * 7 Cache/write-buffer Control 274 * 275 * 8 TLB Control 276 * 277 * 9 Cache Lockdown 278 * 279 * 10 TLB Lockdown 280 * 281 * 11 Reserved 282 * 283 * 12 Reserved 284 * 285 * 13 Process ID (for FCSE) 286 * 287 * 14 Reserved 288 * 289 * 15 Implementation Dependent 290 */ 291 292 /* Some of the definitions below need cleaning up for V3/V4 architectures */ 293 294 /* CPU control register (CP15 register 1) */ 295 #define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */ 296 #define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */ 297 #define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */ 298 #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */ 299 #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */ 300 #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */ 301 #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */ 302 #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */ 303 #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */ 304 #define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */ 305 #define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */ 306 #define CPU_CONTROL_SWP_ENABLE 0x00000400 /* SW: SWP{B} perform normally. */ 307 #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */ 308 #define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */ 309 #define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */ 310 #define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */ 311 #define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */ 312 #define CPU_CONTROL_FI_ENABLE 0x00200000 /* FI: Low interrupt latency */ 313 #define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */ 314 #define CPU_CONTROL_XP_ENABLE 0x00800000 /* XP: extended page table */ 315 #define CPU_CONTROL_V_ENABLE 0x01000000 /* VE: Interrupt vectors enable */ 316 #define CPU_CONTROL_EX_BEND 0x02000000 /* EE: exception endianness */ 317 #define CPU_CONTROL_NMFI 0x08000000 /* NMFI: Non maskable FIQ */ 318 #define CPU_CONTROL_TR_ENABLE 0x10000000 /* TRE: */ 319 #define CPU_CONTROL_AF_ENABLE 0x20000000 /* AFE: Access flag enable */ 320 #define CPU_CONTROL_TE_ENABLE 0x40000000 /* TE: Thumb Exception enable */ 321 322 #define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE 323 324 /* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 325 #define ARM11X6_AUXCTL_RS 0x00000001 /* return stack */ 326 #define ARM11X6_AUXCTL_DB 0x00000002 /* dynamic branch prediction */ 327 #define ARM11X6_AUXCTL_SB 0x00000004 /* static branch prediction */ 328 #define ARM11X6_AUXCTL_TR 0x00000008 /* MicroTLB replacement strat. */ 329 #define ARM11X6_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */ 330 #define ARM11X6_AUXCTL_RA 0x00000020 /* clean entire cache disable */ 331 #define ARM11X6_AUXCTL_RV 0x00000040 /* block transfer cache disable */ 332 #define ARM11X6_AUXCTL_CZ 0x00000080 /* restrict cache size */ 333 334 /* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 335 #define ARM1136_AUXCTL_PFI 0x80000000 /* PFI: partial FI mode. */ 336 /* This is an undocumented flag 337 * used to work around a cache bug 338 * in r0 steppings. See errata 339 * 364296. 340 */ 341 /* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 342 #define ARM1176_AUXCTL_PHD 0x10000000 /* inst. prefetch halting disable */ 343 #define ARM1176_AUXCTL_BFD 0x20000000 /* branch folding disable */ 344 #define ARM1176_AUXCTL_FSD 0x40000000 /* force speculative ops disable */ 345 #define ARM1176_AUXCTL_FIO 0x80000000 /* low intr latency override */ 346 347 /* Cortex-A9 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 348 #define CORTEXA9_AUXCTL_PARITY 0x00000200 /* Enable parity */ 349 #define CORTEXA9_AUXCTL_1WAY 0x00000100 /* Alloc in one way only */ 350 #define CORTEXA9_AUXCTL_EXCL 0x00000080 /* Exclusive cache */ 351 #define CORTEXA9_AUXCTL_SMP 0x00000040 /* CPU is in SMP mode */ 352 #define CORTEXA9_AUXCTL_WRZERO 0x00000008 /* Write full line of zeroes */ 353 #define CORTEXA9_AUXCTL_L1PLD 0x00000004 /* L1 Dside prefetch */ 354 #define CORTEXA9_AUXCTL_L2PLD 0x00000002 /* L2 Dside prefetch */ 355 #define CORTEXA9_AUXCTL_FW 0x00000001 /* Forward Cache/TLB ops */ 356 357 /* XScale Auxiliary Control Register (CP15 register 1, opcode2 1) */ 358 #define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */ 359 #define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */ 360 #define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */ 361 #define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */ 362 #define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */ 363 #define XSCALE_AUXCTL_MD_MASK 0x00000030 364 365 /* ARM11 MPCore Auxiliary Control Register (CP15 register 1, opcode2 1) */ 366 #define MPCORE_AUXCTL_RS 0x00000001 /* return stack */ 367 #define MPCORE_AUXCTL_DB 0x00000002 /* dynamic branch prediction */ 368 #define MPCORE_AUXCTL_SB 0x00000004 /* static branch prediction */ 369 #define MPCORE_AUXCTL_F 0x00000008 /* instruction folding enable */ 370 #define MPCORE_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */ 371 #define MPCORE_AUXCTL_SA 0x00000020 /* SMP/AMP */ 372 373 /* Cortex-A9 Auxiliary Control Register (CP15 register 1, opcode 1) */ 374 #define CORTEXA9_AUXCTL_FW 0x00000001 /* Cache and TLB updates broadcast */ 375 #define CORTEXA9_AUXCTL_L2_PLD 0x00000002 /* Prefetch hint enable */ 376 #define CORTEXA9_AUXCTL_L1_PLD 0x00000004 /* Data prefetch hint enable */ 377 #define CORTEXA9_AUXCTL_WR_ZERO 0x00000008 /* Ena. write full line of 0s mode */ 378 #define CORTEXA9_AUXCTL_SMP 0x00000040 /* Coherency is active */ 379 #define CORTEXA9_AUXCTL_EXCL 0x00000080 /* Exclusive cache bit */ 380 #define CORTEXA9_AUXCTL_ONEWAY 0x00000100 /* Allocate in on cache way only */ 381 #define CORTEXA9_AUXCTL_PARITY 0x00000200 /* Support parity checking */ 382 383 /* Marvell Feroceon Extra Features Register (CP15 register 1, opcode2 0) */ 384 #define FC_DCACHE_REPL_LOCK 0x80000000 /* Replace DCache Lock */ 385 #define FC_DCACHE_STREAM_EN 0x20000000 /* DCache Streaming Switch */ 386 #define FC_WR_ALLOC_EN 0x10000000 /* Enable Write Allocate */ 387 #define FC_L2_PREF_DIS 0x01000000 /* L2 Cache Prefetch Disable */ 388 #define FC_L2_INV_EVICT_LINE 0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */ 389 #define FC_L2CACHE_EN 0x00400000 /* L2 enable */ 390 #define FC_ICACHE_REPL_LOCK 0x00080000 /* Replace ICache Lock */ 391 #define FC_GLOB_HIST_REG_EN 0x00040000 /* Branch Global History Register Enable */ 392 #define FC_BRANCH_TARG_BUF_DIS 0x00020000 /* Branch Target Buffer Disable */ 393 #define FC_L1_PAR_ERR_EN 0x00010000 /* L1 Parity Error Enable */ 394 395 /* Cache type register definitions 0 */ 396 #define CPU_CT_FORMAT(x) (((x) >> 29) & 0x7) /* reg format */ 397 #define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */ 398 #define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */ 399 #define CPU_CT_S (1U << 24) /* split cache */ 400 #define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */ 401 402 #define CPU_CT_CTYPE_WT 0 /* write-through */ 403 #define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */ 404 #define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */ 405 #define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */ 406 #define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */ 407 #define CPU_CT_CTYPE_WB14 14 /* w/b, cp15,7, lockdown fmt C */ 408 409 #define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */ 410 #define CPU_CT_xSIZE_M (1U << 2) /* multiplier */ 411 #define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */ 412 #define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */ 413 #define CPU_CT_xSIZE_P (1U << 11) /* need to page-color */ 414 415 /* format 4 definitions */ 416 #define CPU_CT4_ILINE(x) ((x) & 0xf) /* I$ line size */ 417 #define CPU_CT4_DLINE(x) (((x) >> 16) & 0xf) /* D$ line size */ 418 #define CPU_CT4_L1IPOLICY(x) (((x) >> 14) & 0x3) /* I$ policy */ 419 #define CPU_CT4_L1_VIPT 2 /* VIPT */ 420 421 /* Cache size identifaction register definitions 1, Rd, c0, c0, 0 */ 422 #define CPU_CSID_CTYPE_WT 0x80000000 /* write-through avail */ 423 #define CPU_CSID_CTYPE_WB 0x40000000 /* write-back avail */ 424 #define CPU_CSID_CTYPE_RA 0x20000000 /* read-allocation avail */ 425 #define CPU_CSID_CTYPE_WA 0x10000000 /* write-allocation avail */ 426 #define CPU_CSID_NUMSETS(x) (((x) >> 13) & 0x7fff) 427 #define CPU_CSID_ASSOC(x) (((x) >> 3) & 0x1ff) 428 #define CPU_CSID_LEN(x) ((x) & 0x03) 429 430 /* Cache size selection register definitions 2, Rd, c0, c0, 0 */ 431 #define CPU_CSSR_L2 0x00000002 432 #define CPU_CSSR_L1 0x00000000 433 #define CPU_CSSR_InD 0x00000001 434 435 /* Fault status register definitions */ 436 437 #define FAULT_TYPE_MASK 0x0f 438 #define FAULT_USER 0x10 439 440 #define FAULT_WRTBUF_0 0x00 /* Vector Exception */ 441 #define FAULT_WRTBUF_1 0x02 /* Terminal Exception */ 442 #define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */ 443 #define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */ 444 #define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */ 445 #define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */ 446 #define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */ 447 #define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */ 448 #define FAULT_ALIGN_0 0x01 /* Alignment */ 449 #define FAULT_ALIGN_1 0x03 /* Alignment */ 450 #define FAULT_TRANS_S 0x05 /* Translation -- Section */ 451 #define FAULT_TRANS_P 0x07 /* Translation -- Page */ 452 #define FAULT_DOMAIN_S 0x09 /* Domain -- Section */ 453 #define FAULT_DOMAIN_P 0x0b /* Domain -- Page */ 454 #define FAULT_PERM_S 0x0d /* Permission -- Section */ 455 #define FAULT_PERM_P 0x0f /* Permission -- Page */ 456 457 #define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */ 458 459 /* 460 * Address of the vector page, low and high versions. 461 */ 462 #define ARM_VECTORS_LOW 0x00000000U 463 #define ARM_VECTORS_HIGH 0xffff0000U 464 465 /* 466 * ARM Instructions 467 * 468 * 3 3 2 2 2 469 * 1 0 9 8 7 0 470 * +-------+-------------------------------------------------------+ 471 * | cond | instruction dependent | 472 * |c c c c| | 473 * +-------+-------------------------------------------------------+ 474 */ 475 476 #define INSN_SIZE 4 /* Always 4 bytes */ 477 #define INSN_COND_MASK 0xf0000000 /* Condition mask */ 478 #define INSN_COND_AL 0xe0000000 /* Always condition */ 479 480 #define THUMB_INSN_SIZE 2 /* Some are 4 bytes. */ 481 482 /* 483 * Defines and such for arm11 Performance Monitor Counters (p15, c15, c12, 0) 484 */ 485 #define ARM11_PMCCTL_E __BIT(0) /* enable all three counters */ 486 #define ARM11_PMCCTL_P __BIT(1) /* reset both Count Registers to zero */ 487 #define ARM11_PMCCTL_C __BIT(2) /* reset the Cycle Counter Register to zero */ 488 #define ARM11_PMCCTL_D __BIT(3) /* cycle count divide by 64 */ 489 #define ARM11_PMCCTL_EC0 __BIT(4) /* Enable Counter Register 0 interrupt */ 490 #define ARM11_PMCCTL_EC1 __BIT(5) /* Enable Counter Register 1 interrupt */ 491 #define ARM11_PMCCTL_ECC __BIT(6) /* Enable Cycle Counter interrupt */ 492 #define ARM11_PMCCTL_SBZa __BIT(7) /* UNP/SBZ */ 493 #define ARM11_PMCCTL_CR0 __BIT(8) /* Count Register 0 overflow flag */ 494 #define ARM11_PMCCTL_CR1 __BIT(9) /* Count Register 1 overflow flag */ 495 #define ARM11_PMCCTL_CCR __BIT(10) /* Cycle Count Register overflow flag */ 496 #define ARM11_PMCCTL_X __BIT(11) /* Enable Export of the events to the event bus */ 497 #define ARM11_PMCCTL_EVT1 __BITS(19,12) /* source of events for Count Register 1 */ 498 #define ARM11_PMCCTL_EVT0 __BITS(27,20) /* source of events for Count Register 0 */ 499 #define ARM11_PMCCTL_SBZb __BITS(31,28) /* UNP/SBZ */ 500 #define ARM11_PMCCTL_SBZ \ 501 (ARM11_PMCCTL_SBZa | ARM11_PMCCTL_SBZb) 502 503 #define ARM11_PMCEVT_ICACHE_MISS 0 /* Instruction Cache Miss */ 504 #define ARM11_PMCEVT_ISTREAM_STALL 1 /* Instruction Stream Stall */ 505 #define ARM11_PMCEVT_IUTLB_MISS 2 /* Instruction uTLB Miss */ 506 #define ARM11_PMCEVT_DUTLB_MISS 3 /* Data uTLB Miss */ 507 #define ARM11_PMCEVT_BRANCH 4 /* Branch Inst. Executed */ 508 #define ARM11_PMCEVT_BRANCH_MISS 6 /* Branch mispredicted */ 509 #define ARM11_PMCEVT_INST_EXEC 7 /* Instruction Executed */ 510 #define ARM11_PMCEVT_DCACHE_ACCESS0 9 /* Data Cache Access */ 511 #define ARM11_PMCEVT_DCACHE_ACCESS1 10 /* Data Cache Access */ 512 #define ARM11_PMCEVT_DCACHE_MISS 11 /* Data Cache Miss */ 513 #define ARM11_PMCEVT_DCACHE_WRITEBACK 12 /* Data Cache Writeback */ 514 #define ARM11_PMCEVT_PC_CHANGE 13 /* Software PC change */ 515 #define ARM11_PMCEVT_TLB_MISS 15 /* Main TLB Miss */ 516 #define ARM11_PMCEVT_DATA_ACCESS 16 /* non-cached data access */ 517 #define ARM11_PMCEVT_LSU_STALL 17 /* Load/Store Unit stall */ 518 #define ARM11_PMCEVT_WBUF_DRAIN 18 /* Write buffer drained */ 519 #define ARM11_PMCEVT_ETMEXTOUT0 32 /* ETMEXTOUT[0] asserted */ 520 #define ARM11_PMCEVT_ETMEXTOUT1 33 /* ETMEXTOUT[1] asserted */ 521 #define ARM11_PMCEVT_ETMEXTOUT 34 /* ETMEXTOUT[0 & 1] */ 522 #define ARM11_PMCEVT_CALL_EXEC 35 /* Procedure call executed */ 523 #define ARM11_PMCEVT_RETURN_EXEC 36 /* Return executed */ 524 #define ARM11_PMCEVT_RETURN_HIT 37 /* return address predicted */ 525 #define ARM11_PMCEVT_RETURN_MISS 38 /* return addr. mispredicted */ 526 #define ARM11_PMCEVT_CYCLE 255 /* Increment each cycle */ 527 528 /* Defines for ARM CORTEX performance counters */ 529 #define CORTEX_CNTENS_C __BIT(31) /* Enables the cycle counter */ 530 #define CORTEX_CNTENC_C __BIT(31) /* Disables the cycle counter */ 531 #define CORTEX_CNTOFL_C __BIT(31) /* Cycle counter overflow flag */ 532 533 #ifndef _LOCORE 534 #define ARMREG_READ_INLINE(name, __insnstring) \ 535 static inline uint32_t armreg_##name##_read(void) \ 536 { \ 537 uint32_t __rv; \ 538 __asm __volatile("mrc " __insnstring : "=r"(__rv)); \ 539 return __rv; \ 540 } 541 542 #define ARMREG_WRITE_INLINE(name, __insnstring) \ 543 static inline void armreg_##name##_write(uint32_t __val) \ 544 { \ 545 __asm __volatile("mcr " __insnstring :: "r"(__val)); \ 546 } 547 548 /* c0 registers */ 549 ARMREG_READ_INLINE(midr, "p15,0,%0,c0,c0,0") /* Main ID Register */ 550 ARMREG_READ_INLINE(ctr, "p15,0,%0,c0,c0,1") /* Cache Type Register */ 551 ARMREG_READ_INLINE(mpidr, "p15,0,%0,c0,c0,5") /* Multiprocess Affinity Register */ 552 ARMREG_READ_INLINE(pfr0, "p15,0,%0,c0,c1,0") /* Processor Feature Register 0 */ 553 ARMREG_READ_INLINE(pfr1, "p15,0,%0,c0,c1,1") /* Processor Feature Register 1 */ 554 ARMREG_READ_INLINE(mmfr0, "p15,0,%0,c0,c1,4") /* Memory Model Feature Register 0 */ 555 ARMREG_READ_INLINE(mmfr1, "p15,0,%0,c0,c1,5") /* Memory Model Feature Register 1 */ 556 ARMREG_READ_INLINE(mmfr2, "p15,0,%0,c0,c1,6") /* Memory Model Feature Register 2 */ 557 ARMREG_READ_INLINE(mmfr3, "p15,0,%0,c0,c1,7") /* Memory Model Feature Register 3 */ 558 ARMREG_READ_INLINE(isar0, "p15,0,%0,c0,c2,0") /* Instruction Set Attribute Register 0 */ 559 ARMREG_READ_INLINE(isar1, "p15,0,%0,c0,c2,1") /* Instruction Set Attribute Register 1 */ 560 ARMREG_READ_INLINE(isar2, "p15,0,%0,c0,c2,2") /* Instruction Set Attribute Register 2 */ 561 ARMREG_READ_INLINE(isar3, "p15,0,%0,c0,c2,3") /* Instruction Set Attribute Register 3 */ 562 ARMREG_READ_INLINE(isar4, "p15,0,%0,c0,c2,4") /* Instruction Set Attribute Register 4 */ 563 ARMREG_READ_INLINE(isar5, "p15,0,%0,c0,c2,5") /* Instruction Set Attribute Register 5 */ 564 ARMREG_READ_INLINE(ccsidr, "p15,1,%0,c0,c0,0") /* Cache Size ID Register */ 565 ARMREG_READ_INLINE(clidr, "p15,1,%0,c0,c0,1") /* Cache Level ID Register */ 566 ARMREG_READ_INLINE(csselr, "p15,2,%0,c0,c0,0") /* Cache Size Selection Register */ 567 ARMREG_WRITE_INLINE(csselr, "p15,2,%0,c0,c0,0") /* Cache Size Selection Register */ 568 /* c2 registers */ 569 ARMREG_READ_INLINE(ttbr, "p15,0,%0,c2,c0,2") /* Translation Table Base Register */ 570 ARMREG_WRITE_INLINE(ttbr, "p15,0,%0,c2,c0,2") /* Translation Table Base Register */ 571 /* c9 registers */ 572 ARMREG_READ_INLINE(pmcr, "p15,0,%0,c9,c12,0") /* PMC Control Register */ 573 ARMREG_WRITE_INLINE(pmcr, "p15,0,%0,c9,c12,0") /* PMC Control Register */ 574 ARMREG_READ_INLINE(pmcntenset, "p15,0,%0,c9,c12,1") /* PMC Count Enable Set */ 575 ARMREG_WRITE_INLINE(pmcntenset, "p15,0,%0,c9,c12,1") /* PMC Count Enable Set */ 576 ARMREG_READ_INLINE(pmcntenclr, "p15,0,%0,c9,c12,2") /* PMC Count Enable Clear */ 577 ARMREG_WRITE_INLINE(pmcntenclr, "p15,0,%0,c9,c12,2") /* PMC Count Enable Clear */ 578 ARMREG_READ_INLINE(pmovsr, "p15,0,%0,c9,c12,3") /* PMC Overflow Flag Status */ 579 ARMREG_WRITE_INLINE(pmovsr, "p15,0,%0,c9,c12,3") /* PMC Overflow Flag Status */ 580 ARMREG_READ_INLINE(pmccntr, "p15,0,%0,c9,c13,0") /* PMC Cycle Counter */ 581 ARMREG_WRITE_INLINE(pmccntr, "p15,0,%0,c9,c13,0") /* PMC Cycle Counter */ 582 /* c13 registers */ 583 ARMREG_READ_INLINE(tpidrprw, "p15,0,%0,c13,c0,4") /* PL1 only Thread ID Register */ 584 ARMREG_WRITE_INLINE(tpidrprw, "p15,0,%0,c13,c0,4") /* PL1 only Thread ID Register */ 585 ARMREG_READ_INLINE(cbar, "p15,4,%0,c15,c0,0") /* Configuration Base Address Register */ 586 /* c13 registers */ 587 ARMREG_READ_INLINE(pmcrv6, "p15,0,%0,c15,c12,0") /* PMC Control Register (armv6) */ 588 ARMREG_WRITE_INLINE(pmcrv6, "p15,0,%0,c15,c12,0") /* PMC Control Register (armv6) */ 589 ARMREG_READ_INLINE(pmccntrv6, "p15,0,%0,c15,c12,1") /* PMC Cycle Counter (armv6) */ 590 ARMREG_WRITE_INLINE(pmccntrv6, "p15,0,%0,c15,c12,1") /* PMC Cycle Counter (armv6) */ 591 592 593 #define MPIDR_31 0x80000000 594 #define MPIDR_U 0x40000000 // 1 = Uniprocessor 595 #define MPIDR_MT 0x01000000 // AFF0 for SMT 596 #define MPIDR_AFF2 0x00ff0000 597 #define MPIDR_AFF1 0x0000ff00 598 #define MPIDR_AFF0 0x000000ff 599 600 #endif /* _LOCORE*/ 601 #endif /* _ARM_ARMREG_H */ 602
Indexes created Sun Sep 28 16:09:52 GMT 2025