1 /* $NetBSD: armreg.h,v 1.37 2007/01/06 00:50:54 christos 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 * $FreeBSD$ 39 */ 40 41 #ifndef MACHINE_ARMREG_H 42 #define MACHINE_ARMREG_H 43 44 #include <machine/acle-compat.h> 45 46 #define INSN_SIZE 4 47 #define INSN_COND_MASK 0xf0000000 /* Condition mask */ 48 #define PSR_MODE 0x0000001f /* mode mask */ 49 #define PSR_USR32_MODE 0x00000010 50 #define PSR_FIQ32_MODE 0x00000011 51 #define PSR_IRQ32_MODE 0x00000012 52 #define PSR_SVC32_MODE 0x00000013 53 #define PSR_MON32_MODE 0x00000016 54 #define PSR_ABT32_MODE 0x00000017 55 #define PSR_HYP32_MODE 0x0000001a 56 #define PSR_UND32_MODE 0x0000001b 57 #define PSR_SYS32_MODE 0x0000001f 58 #define PSR_32_MODE 0x00000010 59 #define PSR_T 0x00000020 /* Instruction set bit */ 60 #define PSR_F 0x00000040 /* FIQ disable bit */ 61 #define PSR_I 0x00000080 /* IRQ disable bit */ 62 #define PSR_A 0x00000100 /* Imprecise abort bit */ 63 #define PSR_E 0x00000200 /* Data endianess bit */ 64 #define PSR_GE 0x000f0000 /* Greater than or equal to bits */ 65 #define PSR_J 0x01000000 /* Java bit */ 66 #define PSR_Q 0x08000000 /* Sticky overflow bit */ 67 #define PSR_V 0x10000000 /* Overflow bit */ 68 #define PSR_C 0x20000000 /* Carry bit */ 69 #define PSR_Z 0x40000000 /* Zero bit */ 70 #define PSR_N 0x80000000 /* Negative bit */ 71 #define PSR_FLAGS 0xf0000000 /* Flags mask. */ 72 73 /* The high-order byte is always the implementor */ 74 #define CPU_ID_IMPLEMENTOR_MASK 0xff000000 75 #define CPU_ID_ARM_LTD 0x41000000 /* 'A' */ 76 #define CPU_ID_DEC 0x44000000 /* 'D' */ 77 #define CPU_ID_INTEL 0x69000000 /* 'i' */ 78 #define CPU_ID_TI 0x54000000 /* 'T' */ 79 #define CPU_ID_FARADAY 0x66000000 /* 'f' */ 80 81 /* How to decide what format the CPUID is in. */ 82 #define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000) 83 #define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000) 84 #define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x)) 85 86 /* On recent ARMs this byte holds the architecture and variant (sub-model) */ 87 #define CPU_ID_ARCH_MASK 0x000f0000 88 #define CPU_ID_ARCH_V3 0x00000000 89 #define CPU_ID_ARCH_V4 0x00010000 90 #define CPU_ID_ARCH_V4T 0x00020000 91 #define CPU_ID_ARCH_V5 0x00030000 92 #define CPU_ID_ARCH_V5T 0x00040000 93 #define CPU_ID_ARCH_V5TE 0x00050000 94 #define CPU_ID_ARCH_V5TEJ 0x00060000 95 #define CPU_ID_ARCH_V6 0x00070000 96 #define CPU_ID_CPUID_SCHEME 0x000f0000 97 #define CPU_ID_VARIANT_MASK 0x00f00000 98 99 /* Next three nybbles are part number */ 100 #define CPU_ID_PARTNO_MASK 0x0000fff0 101 102 /* Intel XScale has sub fields in part number */ 103 #define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */ 104 #define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */ 105 #define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */ 106 107 /* And finally, the revision number. */ 108 #define CPU_ID_REVISION_MASK 0x0000000f 109 110 /* Individual CPUs are probably best IDed by everything but the revision. */ 111 #define CPU_ID_CPU_MASK 0xfffffff0 112 113 /* ARM9 and later CPUs */ 114 #define CPU_ID_ARM920T 0x41129200 115 #define CPU_ID_ARM920T_ALT 0x41009200 116 #define CPU_ID_ARM922T 0x41029220 117 #define CPU_ID_ARM926EJS 0x41069260 118 #define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */ 119 #define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */ 120 #define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */ 121 #define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */ 122 #define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */ 123 #define CPU_ID_ARM1022ES 0x4105a220 124 #define CPU_ID_ARM1026EJS 0x4106a260 125 #define CPU_ID_ARM1136JS 0x4107b360 126 #define CPU_ID_ARM1136JSR1 0x4117b360 127 #define CPU_ID_ARM1176JZS 0x410fb760 128 #define CPU_ID_CORTEXA5 0x410fc050 129 #define CPU_ID_CORTEXA7 0x410fc070 130 #define CPU_ID_CORTEXA8R1 0x411fc080 131 #define CPU_ID_CORTEXA8R2 0x412fc080 132 #define CPU_ID_CORTEXA8R3 0x413fc080 133 #define CPU_ID_CORTEXA9R1 0x411fc090 134 #define CPU_ID_CORTEXA9R2 0x412fc090 135 #define CPU_ID_CORTEXA9R3 0x413fc090 136 #define CPU_ID_CORTEXA9R4 0x414fc090 137 #define CPU_ID_CORTEXA12R0 0x410fc0d0 138 #define CPU_ID_CORTEXA15R0 0x410fc0f0 139 #define CPU_ID_CORTEXA15R1 0x411fc0f0 140 #define CPU_ID_CORTEXA15R2 0x412fc0f0 141 #define CPU_ID_CORTEXA15R3 0x413fc0f0 142 #define CPU_ID_KRAIT300R0 0x510f06f0 /* Snapdragon S4 Pro/APQ8064 */ 143 #define CPU_ID_KRAIT300R1 0x511f06f0 144 145 #define CPU_ID_TI925T 0x54029250 146 #define CPU_ID_MV88FR131 0x56251310 /* Marvell Feroceon 88FR131 Core */ 147 #define CPU_ID_MV88FR331 0x56153310 /* Marvell Feroceon 88FR331 Core */ 148 #define CPU_ID_MV88FR571_VD 0x56155710 /* Marvell Feroceon 88FR571-VD Core (ID from datasheet) */ 149 150 /* 151 * LokiPlus core has also ID set to 0x41159260 and this define cause execution of unsupported 152 * L2-cache instructions so need to disable it. 0x41159260 is a generic ARM926E-S ID. 153 */ 154 #ifdef SOC_MV_LOKIPLUS 155 #define CPU_ID_MV88FR571_41 0x00000000 156 #else 157 #define CPU_ID_MV88FR571_41 0x41159260 /* Marvell Feroceon 88FR571-VD Core (actual ID from CPU reg) */ 158 #endif 159 160 #define CPU_ID_MV88SV581X_V7 0x561F5810 /* Marvell Sheeva 88SV581x v7 Core */ 161 #define CPU_ID_MV88SV584X_V7 0x562F5840 /* Marvell Sheeva 88SV584x v7 Core */ 162 /* Marvell's CPUIDs with ARM ID in implementor field */ 163 #define CPU_ID_ARM_88SV581X_V7 0x413FC080 /* Marvell Sheeva 88SV581x v7 Core */ 164 165 #define CPU_ID_FA526 0x66015260 166 #define CPU_ID_FA626TE 0x66056260 167 #define CPU_ID_80200 0x69052000 168 #define CPU_ID_PXA250 0x69052100 /* sans core revision */ 169 #define CPU_ID_PXA210 0x69052120 170 #define CPU_ID_PXA250A 0x69052100 /* 1st version Core */ 171 #define CPU_ID_PXA210A 0x69052120 /* 1st version Core */ 172 #define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */ 173 #define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */ 174 #define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */ 175 #define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */ 176 #define CPU_ID_PXA27X 0x69054110 177 #define CPU_ID_80321_400 0x69052420 178 #define CPU_ID_80321_600 0x69052430 179 #define CPU_ID_80321_400_B0 0x69052c20 180 #define CPU_ID_80321_600_B0 0x69052c30 181 #define CPU_ID_80219_400 0x69052e20 /* A0 stepping/revision. */ 182 #define CPU_ID_80219_600 0x69052e30 /* A0 stepping/revision. */ 183 #define CPU_ID_81342 0x69056810 184 #define CPU_ID_IXP425 0x690541c0 185 #define CPU_ID_IXP425_533 0x690541c0 186 #define CPU_ID_IXP425_400 0x690541d0 187 #define CPU_ID_IXP425_266 0x690541f0 188 #define CPU_ID_IXP435 0x69054040 189 #define CPU_ID_IXP465 0x69054200 190 191 /* CPUID registers */ 192 #define ARM_PFR0_ARM_ISA_MASK 0x0000000f 193 194 #define ARM_PFR0_THUMB_MASK 0x000000f0 195 #define ARM_PFR0_THUMB 0x10 196 #define ARM_PFR0_THUMB2 0x30 197 198 #define ARM_PFR0_JAZELLE_MASK 0x00000f00 199 #define ARM_PFR0_THUMBEE_MASK 0x0000f000 200 201 #define ARM_PFR1_ARMV4_MASK 0x0000000f 202 #define ARM_PFR1_SEC_EXT_MASK 0x000000f0 203 #define ARM_PFR1_MICROCTRL_MASK 0x00000f00 204 205 /* 206 * Post-ARM3 CP15 registers: 207 * 208 * 1 Control register 209 * 210 * 2 Translation Table Base 211 * 212 * 3 Domain Access Control 213 * 214 * 4 Reserved 215 * 216 * 5 Fault Status 217 * 218 * 6 Fault Address 219 * 220 * 7 Cache/write-buffer Control 221 * 222 * 8 TLB Control 223 * 224 * 9 Cache Lockdown 225 * 226 * 10 TLB Lockdown 227 * 228 * 11 Reserved 229 * 230 * 12 Reserved 231 * 232 * 13 Process ID (for FCSE) 233 * 234 * 14 Reserved 235 * 236 * 15 Implementation Dependent 237 */ 238 239 /* Some of the definitions below need cleaning up for V3/V4 architectures */ 240 241 /* CPU control register (CP15 register 1) */ 242 #define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */ 243 #define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */ 244 #define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */ 245 #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */ 246 #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */ 247 #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */ 248 #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */ 249 #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */ 250 #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */ 251 #define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */ 252 #define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */ 253 #define CPU_CONTROL_SW_ENABLE 0x00000400 /* SW: SWP instruction enable */ 254 #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */ 255 #define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */ 256 #define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */ 257 #define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */ 258 #define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */ 259 #define CPU_CONTROL_HAF_ENABLE 0x00020000 /* HA: Hardware Access Flag Enable */ 260 #define CPU_CONTROL_FI_ENABLE 0x00200000 /* FI: Low interrupt latency */ 261 #define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */ 262 #define CPU_CONTROL_V6_EXTPAGE 0x00800000 /* XP: ARMv6 extended page tables */ 263 #define CPU_CONTROL_V_ENABLE 0x01000000 /* VE: Interrupt vectors enable */ 264 #define CPU_CONTROL_EX_BEND 0x02000000 /* EE: exception endianness */ 265 #define CPU_CONTROL_L2_ENABLE 0x04000000 /* L2 Cache enabled */ 266 #define CPU_CONTROL_NMFI 0x08000000 /* NMFI: Non maskable FIQ */ 267 #define CPU_CONTROL_TR_ENABLE 0x10000000 /* TRE: TEX Remap*/ 268 #define CPU_CONTROL_AF_ENABLE 0x20000000 /* AFE: Access Flag enable */ 269 #define CPU_CONTROL_TE_ENABLE 0x40000000 /* TE: Thumb Exception enable */ 270 271 #define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE 272 273 /* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 274 #define ARM11X6_AUXCTL_RS 0x00000001 /* return stack */ 275 #define ARM11X6_AUXCTL_DB 0x00000002 /* dynamic branch prediction */ 276 #define ARM11X6_AUXCTL_SB 0x00000004 /* static branch prediction */ 277 #define ARM11X6_AUXCTL_TR 0x00000008 /* MicroTLB replacement strat. */ 278 #define ARM11X6_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */ 279 #define ARM11X6_AUXCTL_RA 0x00000020 /* clean entire cache disable */ 280 #define ARM11X6_AUXCTL_RV 0x00000040 /* block transfer cache disable */ 281 #define ARM11X6_AUXCTL_CZ 0x00000080 /* restrict cache size */ 282 283 /* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 284 #define ARM1136_AUXCTL_PFI 0x80000000 /* PFI: partial FI mode. */ 285 /* This is an undocumented flag 286 * used to work around a cache bug 287 * in r0 steppings. See errata 288 * 364296. 289 */ 290 /* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */ 291 #define ARM1176_AUXCTL_PHD 0x10000000 /* inst. prefetch halting disable */ 292 #define ARM1176_AUXCTL_BFD 0x20000000 /* branch folding disable */ 293 #define ARM1176_AUXCTL_FSD 0x40000000 /* force speculative ops disable */ 294 #define ARM1176_AUXCTL_FIO 0x80000000 /* low intr latency override */ 295 296 /* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */ 297 #define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */ 298 #define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */ 299 /* Note: XSCale core 3 uses those for LLR DCcahce attributes */ 300 #define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */ 301 #define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */ 302 #define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */ 303 #define XSCALE_AUXCTL_MD_MASK 0x00000030 304 305 /* Xscale Core 3 only */ 306 #define XSCALE_AUXCTL_LLR 0x00000400 /* Enable L2 for LLR Cache */ 307 308 /* Marvell Extra Features Register (CP15 register 1, opcode2 0) */ 309 #define MV_DC_REPLACE_LOCK 0x80000000 /* Replace DCache Lock */ 310 #define MV_DC_STREAM_ENABLE 0x20000000 /* DCache Streaming Switch */ 311 #define MV_WA_ENABLE 0x10000000 /* Enable Write Allocate */ 312 #define MV_L2_PREFETCH_DISABLE 0x01000000 /* L2 Cache Prefetch Disable */ 313 #define MV_L2_INV_EVICT_ERR 0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */ 314 #define MV_L2_ENABLE 0x00400000 /* L2 Cache enable */ 315 #define MV_IC_REPLACE_LOCK 0x00080000 /* Replace ICache Lock */ 316 #define MV_BGH_ENABLE 0x00040000 /* Branch Global History Register Enable */ 317 #define MV_BTB_DISABLE 0x00020000 /* Branch Target Buffer Disable */ 318 #define MV_L1_PARERR_ENABLE 0x00010000 /* L1 Parity Error Enable */ 319 320 /* Cache type register definitions */ 321 #define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */ 322 #define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */ 323 #define CPU_CT_S (1U << 24) /* split cache */ 324 #define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */ 325 #define CPU_CT_FORMAT(x) ((x) >> 29) 326 /* Cache type register definitions for ARM v7 */ 327 #define CPU_CT_IMINLINE(x) ((x) & 0xf) /* I$ min line size */ 328 #define CPU_CT_DMINLINE(x) (((x) >> 16) & 0xf) /* D$ min line size */ 329 330 #define CPU_CT_CTYPE_WT 0 /* write-through */ 331 #define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */ 332 #define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */ 333 #define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */ 334 #define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */ 335 336 #define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */ 337 #define CPU_CT_xSIZE_M (1U << 2) /* multiplier */ 338 #define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */ 339 #define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */ 340 341 #define CPU_CT_ARMV7 0x4 342 /* ARM v7 Cache type definitions */ 343 #define CPUV7_CT_CTYPE_WT (1U << 31) 344 #define CPUV7_CT_CTYPE_WB (1 << 30) 345 #define CPUV7_CT_CTYPE_RA (1 << 29) 346 #define CPUV7_CT_CTYPE_WA (1 << 28) 347 348 #define CPUV7_CT_xSIZE_LEN(x) ((x) & 0x7) /* line size */ 349 #define CPUV7_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x3ff) /* associativity */ 350 #define CPUV7_CT_xSIZE_SET(x) (((x) >> 13) & 0x7fff) /* num sets */ 351 352 #define CPUV7_L2CTLR_NPROC_SHIFT 24 353 #define CPUV7_L2CTLR_NPROC(r) ((((r) >> CPUV7_L2CTLR_NPROC_SHIFT) & 3) + 1) 354 355 #define CPU_CLIDR_CTYPE(reg,x) (((reg) >> ((x) * 3)) & 0x7) 356 #define CPU_CLIDR_LOUIS(reg) (((reg) >> 21) & 0x7) 357 #define CPU_CLIDR_LOC(reg) (((reg) >> 24) & 0x7) 358 #define CPU_CLIDR_LOUU(reg) (((reg) >> 27) & 0x7) 359 360 #define CACHE_ICACHE 1 361 #define CACHE_DCACHE 2 362 #define CACHE_SEP_CACHE 3 363 #define CACHE_UNI_CACHE 4 364 365 /* Fault status register definitions */ 366 #define FAULT_USER 0x10 367 368 #if __ARM_ARCH < 6 369 #define FAULT_TYPE_MASK 0x0f 370 #define FAULT_WRTBUF_0 0x00 /* Vector Exception */ 371 #define FAULT_WRTBUF_1 0x02 /* Terminal Exception */ 372 #define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */ 373 #define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */ 374 #define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */ 375 #define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */ 376 #define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */ 377 #define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */ 378 #define FAULT_ALIGN_0 0x01 /* Alignment */ 379 #define FAULT_ALIGN_1 0x03 /* Alignment */ 380 #define FAULT_TRANS_S 0x05 /* Translation -- Section */ 381 #define FAULT_TRANS_F 0x06 /* Translation -- Flag */ 382 #define FAULT_TRANS_P 0x07 /* Translation -- Page */ 383 #define FAULT_DOMAIN_S 0x09 /* Domain -- Section */ 384 #define FAULT_DOMAIN_P 0x0b /* Domain -- Page */ 385 #define FAULT_PERM_S 0x0d /* Permission -- Section */ 386 #define FAULT_PERM_P 0x0f /* Permission -- Page */ 387 388 #define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */ 389 #define FAULT_EXTERNAL 0x400 /* External abort (armv6+) */ 390 #define FAULT_WNR 0x800 /* Write-not-Read access (armv6+) */ 391 392 #else /* __ARM_ARCH < 6 */ 393 394 #define FAULT_ALIGN 0x001 /* Alignment Fault */ 395 #define FAULT_DEBUG 0x002 /* Debug Event */ 396 #define FAULT_ACCESS_L1 0x003 /* Access Bit (L1) */ 397 #define FAULT_ICACHE 0x004 /* Instruction cache maintenance */ 398 #define FAULT_TRAN_L1 0x005 /* Translation Fault (L1) */ 399 #define FAULT_ACCESS_L2 0x006 /* Access Bit (L2) */ 400 #define FAULT_TRAN_L2 0x007 /* Translation Fault (L2) */ 401 #define FAULT_EA_PREC 0x008 /* External Abort */ 402 #define FAULT_DOMAIN_L1 0x009 /* Domain Fault (L1) */ 403 #define FAULT_DOMAIN_L2 0x00B /* Domain Fault (L2) */ 404 #define FAULT_EA_TRAN_L1 0x00C /* External Translation Abort (L1) */ 405 #define FAULT_PERM_L1 0x00D /* Permission Fault (L1) */ 406 #define FAULT_EA_TRAN_L2 0x00E /* External Translation Abort (L2) */ 407 #define FAULT_PERM_L2 0x00F /* Permission Fault (L2) */ 408 #define FAULT_TLB_CONFLICT 0x010 /* TLB Conflict Abort */ 409 #define FAULT_EA_IMPREC 0x016 /* Asynchronous External Abort */ 410 #define FAULT_PE_IMPREC 0x018 /* Asynchronous Parity Error */ 411 #define FAULT_PARITY 0x019 /* Parity Error */ 412 #define FAULT_PE_TRAN_L1 0x01C /* Parity Error on Translation (L1) */ 413 #define FAULT_PE_TRAN_L2 0x01E /* Parity Error on Translation (L2) */ 414 415 #define FSR_TO_FAULT(fsr) (((fsr) & 0xF) | \ 416 ((((fsr) & (1 << 10)) >> (10 - 4)))) 417 #define FSR_LPAE (1 << 9) /* LPAE indicator */ 418 #define FSR_WNR (1 << 11) /* Write-not-Read access */ 419 #define FSR_EXT (1 << 12) /* DECERR/SLVERR for external*/ 420 #define FSR_CM (1 << 13) /* Cache maintenance fault */ 421 #endif /* !__ARM_ARCH < 6 */ 422 423 /* 424 * Address of the vector page, low and high versions. 425 */ 426 #ifndef __ASSEMBLER__ 427 #define ARM_VECTORS_LOW 0x00000000U 428 #define ARM_VECTORS_HIGH 0xffff0000U 429 #else 430 #define ARM_VECTORS_LOW 0 431 #define ARM_VECTORS_HIGH 0xffff0000 432 #endif 433 434 /* 435 * ARM Instructions 436 * 437 * 3 3 2 2 2 438 * 1 0 9 8 7 0 439 * +-------+-------------------------------------------------------+ 440 * | cond | instruction dependant | 441 * |c c c c| | 442 * +-------+-------------------------------------------------------+ 443 */ 444 445 #define INSN_SIZE 4 /* Always 4 bytes */ 446 #define INSN_COND_MASK 0xf0000000 /* Condition mask */ 447 #define INSN_COND_AL 0xe0000000 /* Always condition */ 448 449 /* ARM register defines */ 450 #define ARM_REG_SIZE 4 451 #define ARM_REG_NUM_PC 15 452 #define ARM_REG_NUM_LR 14 453 #define ARM_REG_NUM_SP 13 454 455 #define THUMB_INSN_SIZE 2 /* Some are 4 bytes. */ 456 457 #endif /* !MACHINE_ARMREG_H */ 458