1 /* $NetBSD: armreg.h,v 1.28 2003/10/31 16:30:15 scw 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: /repoman/r/ncvs/src/sys/arm/include/armreg.h,v 1.3 2005/11/21 19:06:25 cognet Exp $ 39 */ 40 41 #ifndef MACHINE_ARMREG_H 42 #define MACHINE_ARMREG_H 43 #define INSN_SIZE 4 44 #define INSN_COND_MASK 0xf0000000 /* Condition mask */ 45 #define PSR_MODE 0x0000001f /* mode mask */ 46 #define PSR_USR26_MODE 0x00000000 47 #define PSR_FIQ26_MODE 0x00000001 48 #define PSR_IRQ26_MODE 0x00000002 49 #define PSR_SVC26_MODE 0x00000003 50 #define PSR_USR32_MODE 0x00000010 51 #define PSR_FIQ32_MODE 0x00000011 52 #define PSR_IRQ32_MODE 0x00000012 53 #define PSR_SVC32_MODE 0x00000013 54 #define PSR_ABT32_MODE 0x00000017 55 #define PSR_UND32_MODE 0x0000001b 56 #define PSR_SYS32_MODE 0x0000001f 57 #define PSR_32_MODE 0x00000010 58 #define PSR_FLAGS 0xf0000000 /* flags */ 59 60 #define PSR_C_bit (1 << 29) /* carry */ 61 62 /* The high-order byte is always the implementor */ 63 #define CPU_ID_IMPLEMENTOR_MASK 0xff000000 64 #define CPU_ID_ARM_LTD 0x41000000 /* 'A' */ 65 #define CPU_ID_DEC 0x44000000 /* 'D' */ 66 #define CPU_ID_INTEL 0x69000000 /* 'i' */ 67 #define CPU_ID_TI 0x54000000 /* 'T' */ 68 69 /* How to decide what format the CPUID is in. */ 70 #define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000) 71 #define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000) 72 #define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x)) 73 74 /* On ARM3 and ARM6, this byte holds the foundry ID. */ 75 #define CPU_ID_FOUNDRY_MASK 0x00ff0000 76 #define CPU_ID_FOUNDRY_VLSI 0x00560000 77 78 /* On ARM7 it holds the architecture and variant (sub-model) */ 79 #define CPU_ID_7ARCH_MASK 0x00800000 80 #define CPU_ID_7ARCH_V3 0x00000000 81 #define CPU_ID_7ARCH_V4T 0x00800000 82 #define CPU_ID_7VARIANT_MASK 0x007f0000 83 84 /* On more recent ARMs, it does the same, but in a different format */ 85 #define CPU_ID_ARCH_MASK 0x000f0000 86 #define CPU_ID_ARCH_V3 0x00000000 87 #define CPU_ID_ARCH_V4 0x00010000 88 #define CPU_ID_ARCH_V4T 0x00020000 89 #define CPU_ID_ARCH_V5 0x00030000 90 #define CPU_ID_ARCH_V5T 0x00040000 91 #define CPU_ID_ARCH_V5TE 0x00050000 92 #define CPU_ID_VARIANT_MASK 0x00f00000 93 94 /* Next three nybbles are part number */ 95 #define CPU_ID_PARTNO_MASK 0x0000fff0 96 97 /* Intel XScale has sub fields in part number */ 98 #define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */ 99 #define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */ 100 #define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */ 101 102 /* And finally, the revision number. */ 103 #define CPU_ID_REVISION_MASK 0x0000000f 104 105 /* Individual CPUs are probably best IDed by everything but the revision. */ 106 #define CPU_ID_CPU_MASK 0xfffffff0 107 108 /* Fake CPU IDs for ARMs without CP15 */ 109 #define CPU_ID_ARM2 0x41560200 110 #define CPU_ID_ARM250 0x41560250 111 112 /* Pre-ARM7 CPUs -- [15:12] == 0 */ 113 #define CPU_ID_ARM3 0x41560300 114 #define CPU_ID_ARM600 0x41560600 115 #define CPU_ID_ARM610 0x41560610 116 #define CPU_ID_ARM620 0x41560620 117 118 /* ARM7 CPUs -- [15:12] == 7 */ 119 #define CPU_ID_ARM700 0x41007000 /* XXX This is a guess. */ 120 #define CPU_ID_ARM710 0x41007100 121 #define CPU_ID_ARM7500 0x41027100 /* XXX This is a guess. */ 122 #define CPU_ID_ARM710A 0x41047100 /* inc ARM7100 */ 123 #define CPU_ID_ARM7500FE 0x41077100 124 #define CPU_ID_ARM710T 0x41807100 125 #define CPU_ID_ARM720T 0x41807200 126 #define CPU_ID_ARM740T8K 0x41807400 /* XXX no MMU, 8KB cache */ 127 #define CPU_ID_ARM740T4K 0x41817400 /* XXX no MMU, 4KB cache */ 128 129 /* Post-ARM7 CPUs */ 130 #define CPU_ID_ARM810 0x41018100 131 #define CPU_ID_ARM920T 0x41129200 132 #define CPU_ID_ARM920T_ALT 0x41009200 133 #define CPU_ID_ARM922T 0x41029220 134 #define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */ 135 #define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */ 136 #define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */ 137 #define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */ 138 #define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */ 139 #define CPU_ID_ARM1022ES 0x4105a220 140 #define CPU_ID_SA110 0x4401a100 141 #define CPU_ID_SA1100 0x4401a110 142 #define CPU_ID_TI925T 0x54029250 143 #define CPU_ID_SA1110 0x6901b110 144 #define CPU_ID_IXP1200 0x6901c120 145 #define CPU_ID_80200 0x69052000 146 #define CPU_ID_PXA250 0x69052100 /* sans core revision */ 147 #define CPU_ID_PXA210 0x69052120 148 #define CPU_ID_PXA250A 0x69052100 /* 1st version Core */ 149 #define CPU_ID_PXA210A 0x69052120 /* 1st version Core */ 150 #define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */ 151 #define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */ 152 #define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */ 153 #define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */ 154 #define CPU_ID_80321_400 0x69052420 155 #define CPU_ID_80321_600 0x69052430 156 #define CPU_ID_80321_400_B0 0x69052c20 157 #define CPU_ID_80321_600_B0 0x69052c30 158 #define CPU_ID_IXP425_533 0x690541c0 159 #define CPU_ID_IXP425_400 0x690541d0 160 #define CPU_ID_IXP425_266 0x690541f0 161 162 /* ARM3-specific coprocessor 15 registers */ 163 #define ARM3_CP15_FLUSH 1 164 #define ARM3_CP15_CONTROL 2 165 #define ARM3_CP15_CACHEABLE 3 166 #define ARM3_CP15_UPDATEABLE 4 167 #define ARM3_CP15_DISRUPTIVE 5 168 169 /* ARM3 Control register bits */ 170 #define ARM3_CTL_CACHE_ON 0x00000001 171 #define ARM3_CTL_SHARED 0x00000002 172 #define ARM3_CTL_MONITOR 0x00000004 173 174 /* 175 * Post-ARM3 CP15 registers: 176 * 177 * 1 Control register 178 * 179 * 2 Translation Table Base 180 * 181 * 3 Domain Access Control 182 * 183 * 4 Reserved 184 * 185 * 5 Fault Status 186 * 187 * 6 Fault Address 188 * 189 * 7 Cache/write-buffer Control 190 * 191 * 8 TLB Control 192 * 193 * 9 Cache Lockdown 194 * 195 * 10 TLB Lockdown 196 * 197 * 11 Reserved 198 * 199 * 12 Reserved 200 * 201 * 13 Process ID (for FCSE) 202 * 203 * 14 Reserved 204 * 205 * 15 Implementation Dependent 206 */ 207 208 /* Some of the definitions below need cleaning up for V3/V4 architectures */ 209 210 /* CPU control register (CP15 register 1) */ 211 #define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */ 212 #define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */ 213 #define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */ 214 #define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */ 215 #define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */ 216 #define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */ 217 #define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */ 218 #define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */ 219 #define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */ 220 #define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */ 221 #define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */ 222 #define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */ 223 #define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */ 224 #define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */ 225 #define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */ 226 #define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */ 227 228 #define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE 229 230 /* XScale Auxillary Control Register (CP15 register 1, opcode2 1) */ 231 #define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */ 232 #define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */ 233 #define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */ 234 #define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */ 235 #define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */ 236 #define XSCALE_AUXCTL_MD_MASK 0x00000030 237 238 /* Cache type register definitions */ 239 #define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */ 240 #define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */ 241 #define CPU_CT_S (1U << 24) /* split cache */ 242 #define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */ 243 244 #define CPU_CT_CTYPE_WT 0 /* write-through */ 245 #define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */ 246 #define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */ 247 #define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */ 248 #define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */ 249 250 #define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */ 251 #define CPU_CT_xSIZE_M (1U << 2) /* multiplier */ 252 #define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */ 253 #define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */ 254 255 /* Fault status register definitions */ 256 257 #define FAULT_TYPE_MASK 0x0f 258 #define FAULT_USER 0x10 259 260 #define FAULT_WRTBUF_0 0x00 /* Vector Exception */ 261 #define FAULT_WRTBUF_1 0x02 /* Terminal Exception */ 262 #define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */ 263 #define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */ 264 #define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */ 265 #define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */ 266 #define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */ 267 #define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */ 268 #define FAULT_ALIGN_0 0x01 /* Alignment */ 269 #define FAULT_ALIGN_1 0x03 /* Alignment */ 270 #define FAULT_TRANS_S 0x05 /* Translation -- Section */ 271 #define FAULT_TRANS_P 0x07 /* Translation -- Page */ 272 #define FAULT_DOMAIN_S 0x09 /* Domain -- Section */ 273 #define FAULT_DOMAIN_P 0x0b /* Domain -- Page */ 274 #define FAULT_PERM_S 0x0d /* Permission -- Section */ 275 #define FAULT_PERM_P 0x0f /* Permission -- Page */ 276 277 #define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */ 278 279 /* 280 * Address of the vector page, low and high versions. 281 */ 282 #define ARM_VECTORS_LOW 0x00000000U 283 #define ARM_VECTORS_HIGH 0xffff0000U 284 285 /* 286 * ARM Instructions 287 * 288 * 3 3 2 2 2 289 * 1 0 9 8 7 0 290 * +-------+-------------------------------------------------------+ 291 * | cond | instruction dependant | 292 * |c c c c| | 293 * +-------+-------------------------------------------------------+ 294 */ 295 296 #define INSN_SIZE 4 /* Always 4 bytes */ 297 #define INSN_COND_MASK 0xf0000000 /* Condition mask */ 298 #define INSN_COND_AL 0xe0000000 /* Always condition */ 299 300 #endif /* !MACHINE_ARMREG_H */ 301