1 /* 2 * cpu.h: Values of the PRId register used to match up 3 * various MIPS cpu types. 4 * 5 * Copyright (C) 1996 David S. Miller (davem@davemloft.net) 6 * Copyright (C) 2004, 2013 Maciej W. Rozycki 7 */ 8 #ifndef _ASM_CPU_H 9 #define _ASM_CPU_H 10 11 /* 12 As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0 13 register 15, select 0) is defined in this (backwards compatible) way: 14 15 +----------------+----------------+----------------+----------------+ 16 | Company Options| Company ID | Processor ID | Revision | 17 +----------------+----------------+----------------+----------------+ 18 31 24 23 16 15 8 7 19 20 I don't have docs for all the previous processors, but my impression is 21 that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64 22 spec. 23 */ 24 25 #define PRID_OPT_MASK 0xff000000 26 27 /* 28 * Assigned Company values for bits 23:16 of the PRId register. 29 */ 30 31 #define PRID_COMP_MASK 0xff0000 32 33 #define PRID_COMP_LEGACY 0x000000 34 #define PRID_COMP_MIPS 0x010000 35 #define PRID_COMP_BROADCOM 0x020000 36 #define PRID_COMP_ALCHEMY 0x030000 37 #define PRID_COMP_SIBYTE 0x040000 38 #define PRID_COMP_SANDCRAFT 0x050000 39 #define PRID_COMP_NXP 0x060000 40 #define PRID_COMP_TOSHIBA 0x070000 41 #define PRID_COMP_LSI 0x080000 42 #define PRID_COMP_LEXRA 0x0b0000 43 #define PRID_COMP_NETLOGIC 0x0c0000 44 #define PRID_COMP_CAVIUM 0x0d0000 45 #define PRID_COMP_LOONGSON 0x140000 46 #define PRID_COMP_INGENIC_D0 0xd00000 /* JZ4740, JZ4750 */ 47 #define PRID_COMP_INGENIC_D1 0xd10000 /* JZ4770, JZ4775 */ 48 #define PRID_COMP_INGENIC_E1 0xe10000 /* JZ4780 */ 49 50 /* 51 * Assigned Processor ID (implementation) values for bits 15:8 of the PRId 52 * register. In order to detect a certain CPU type exactly eventually 53 * additional registers may need to be examined. 54 */ 55 56 #define PRID_IMP_MASK 0xff00 57 58 /* 59 * These are valid when 23:16 == PRID_COMP_LEGACY 60 */ 61 62 #define PRID_IMP_R2000 0x0100 63 #define PRID_IMP_AU1_REV1 0x0100 64 #define PRID_IMP_AU1_REV2 0x0200 65 #define PRID_IMP_R3000 0x0200 /* Same as R2000A */ 66 #define PRID_IMP_R6000 0x0300 /* Same as R3000A */ 67 #define PRID_IMP_R4000 0x0400 68 #define PRID_IMP_R6000A 0x0600 69 #define PRID_IMP_R10000 0x0900 70 #define PRID_IMP_R4300 0x0b00 71 #define PRID_IMP_VR41XX 0x0c00 72 #define PRID_IMP_R12000 0x0e00 73 #define PRID_IMP_R14000 0x0f00 /* R14K && R16K */ 74 #define PRID_IMP_R8000 0x1000 75 #define PRID_IMP_PR4450 0x1200 76 #define PRID_IMP_R4600 0x2000 77 #define PRID_IMP_R4700 0x2100 78 #define PRID_IMP_TX39 0x2200 79 #define PRID_IMP_R4640 0x2200 80 #define PRID_IMP_R4650 0x2200 /* Same as R4640 */ 81 #define PRID_IMP_R5000 0x2300 82 #define PRID_IMP_TX49 0x2d00 83 #define PRID_IMP_SONIC 0x2400 84 #define PRID_IMP_MAGIC 0x2500 85 #define PRID_IMP_RM7000 0x2700 86 #define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */ 87 #define PRID_IMP_RM9000 0x3400 88 #define PRID_IMP_LOONGSON_32 0x4200 /* Loongson-1 */ 89 #define PRID_IMP_R5432 0x5400 90 #define PRID_IMP_R5500 0x5500 91 #define PRID_IMP_LOONGSON_64 0x6300 /* Loongson-2/3 */ 92 93 #define PRID_IMP_UNKNOWN 0xff00 94 95 /* 96 * These are the PRID's for when 23:16 == PRID_COMP_MIPS 97 */ 98 99 #define PRID_IMP_QEMU_GENERIC 0x0000 100 #define PRID_IMP_4KC 0x8000 101 #define PRID_IMP_5KC 0x8100 102 #define PRID_IMP_20KC 0x8200 103 #define PRID_IMP_4KEC 0x8400 104 #define PRID_IMP_4KSC 0x8600 105 #define PRID_IMP_25KF 0x8800 106 #define PRID_IMP_5KE 0x8900 107 #define PRID_IMP_4KECR2 0x9000 108 #define PRID_IMP_4KEMPR2 0x9100 109 #define PRID_IMP_4KSD 0x9200 110 #define PRID_IMP_24K 0x9300 111 #define PRID_IMP_34K 0x9500 112 #define PRID_IMP_24KE 0x9600 113 #define PRID_IMP_74K 0x9700 114 #define PRID_IMP_1004K 0x9900 115 #define PRID_IMP_1074K 0x9a00 116 #define PRID_IMP_M14KC 0x9c00 117 #define PRID_IMP_M14KEC 0x9e00 118 #define PRID_IMP_INTERAPTIV_UP 0xa000 119 #define PRID_IMP_INTERAPTIV_MP 0xa100 120 #define PRID_IMP_PROAPTIV_UP 0xa200 121 #define PRID_IMP_PROAPTIV_MP 0xa300 122 #define PRID_IMP_P6600 0xa400 123 #define PRID_IMP_M5150 0xa700 124 #define PRID_IMP_P5600 0xa800 125 #define PRID_IMP_I6400 0xa900 126 #define PRID_IMP_M6250 0xab00 127 128 /* 129 * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE 130 */ 131 132 #define PRID_IMP_SB1 0x0100 133 #define PRID_IMP_SB1A 0x1100 134 135 /* 136 * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT 137 */ 138 139 #define PRID_IMP_SR71000 0x0400 140 141 /* 142 * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM 143 */ 144 145 #define PRID_IMP_BMIPS32_REV4 0x4000 146 #define PRID_IMP_BMIPS32_REV8 0x8000 147 #define PRID_IMP_BMIPS3300 0x9000 148 #define PRID_IMP_BMIPS3300_ALT 0x9100 149 #define PRID_IMP_BMIPS3300_BUG 0x0000 150 #define PRID_IMP_BMIPS43XX 0xa000 151 #define PRID_IMP_BMIPS5000 0x5a00 152 #define PRID_IMP_BMIPS5200 0x5b00 153 154 #define PRID_REV_BMIPS4380_LO 0x0040 155 #define PRID_REV_BMIPS4380_HI 0x006f 156 157 /* 158 * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM 159 */ 160 161 #define PRID_IMP_CAVIUM_CN38XX 0x0000 162 #define PRID_IMP_CAVIUM_CN31XX 0x0100 163 #define PRID_IMP_CAVIUM_CN30XX 0x0200 164 #define PRID_IMP_CAVIUM_CN58XX 0x0300 165 #define PRID_IMP_CAVIUM_CN56XX 0x0400 166 #define PRID_IMP_CAVIUM_CN50XX 0x0600 167 #define PRID_IMP_CAVIUM_CN52XX 0x0700 168 #define PRID_IMP_CAVIUM_CN63XX 0x9000 169 #define PRID_IMP_CAVIUM_CN68XX 0x9100 170 #define PRID_IMP_CAVIUM_CN66XX 0x9200 171 #define PRID_IMP_CAVIUM_CN61XX 0x9300 172 #define PRID_IMP_CAVIUM_CNF71XX 0x9400 173 #define PRID_IMP_CAVIUM_CN78XX 0x9500 174 #define PRID_IMP_CAVIUM_CN70XX 0x9600 175 #define PRID_IMP_CAVIUM_CN73XX 0x9700 176 #define PRID_IMP_CAVIUM_CNF75XX 0x9800 177 178 /* 179 * These are the PRID's for when 23:16 == PRID_COMP_INGENIC_* 180 */ 181 182 #define PRID_IMP_JZRISC 0x0200 183 184 /* 185 * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC 186 */ 187 #define PRID_IMP_NETLOGIC_XLR732 0x0000 188 #define PRID_IMP_NETLOGIC_XLR716 0x0200 189 #define PRID_IMP_NETLOGIC_XLR532 0x0900 190 #define PRID_IMP_NETLOGIC_XLR308 0x0600 191 #define PRID_IMP_NETLOGIC_XLR532C 0x0800 192 #define PRID_IMP_NETLOGIC_XLR516C 0x0a00 193 #define PRID_IMP_NETLOGIC_XLR508C 0x0b00 194 #define PRID_IMP_NETLOGIC_XLR308C 0x0f00 195 #define PRID_IMP_NETLOGIC_XLS608 0x8000 196 #define PRID_IMP_NETLOGIC_XLS408 0x8800 197 #define PRID_IMP_NETLOGIC_XLS404 0x8c00 198 #define PRID_IMP_NETLOGIC_XLS208 0x8e00 199 #define PRID_IMP_NETLOGIC_XLS204 0x8f00 200 #define PRID_IMP_NETLOGIC_XLS108 0xce00 201 #define PRID_IMP_NETLOGIC_XLS104 0xcf00 202 #define PRID_IMP_NETLOGIC_XLS616B 0x4000 203 #define PRID_IMP_NETLOGIC_XLS608B 0x4a00 204 #define PRID_IMP_NETLOGIC_XLS416B 0x4400 205 #define PRID_IMP_NETLOGIC_XLS412B 0x4c00 206 #define PRID_IMP_NETLOGIC_XLS408B 0x4e00 207 #define PRID_IMP_NETLOGIC_XLS404B 0x4f00 208 #define PRID_IMP_NETLOGIC_AU13XX 0x8000 209 210 #define PRID_IMP_NETLOGIC_XLP8XX 0x1000 211 #define PRID_IMP_NETLOGIC_XLP3XX 0x1100 212 #define PRID_IMP_NETLOGIC_XLP2XX 0x1200 213 #define PRID_IMP_NETLOGIC_XLP9XX 0x1500 214 #define PRID_IMP_NETLOGIC_XLP5XX 0x1300 215 216 /* 217 * Particular Revision values for bits 7:0 of the PRId register. 218 */ 219 220 #define PRID_REV_MASK 0x00ff 221 222 /* 223 * Definitions for 7:0 on legacy processors 224 */ 225 226 #define PRID_REV_TX4927 0x0022 227 #define PRID_REV_TX4937 0x0030 228 #define PRID_REV_R4400 0x0040 229 #define PRID_REV_R3000A 0x0030 230 #define PRID_REV_R3000 0x0020 231 #define PRID_REV_R2000A 0x0010 232 #define PRID_REV_TX3912 0x0010 233 #define PRID_REV_TX3922 0x0030 234 #define PRID_REV_TX3927 0x0040 235 #define PRID_REV_VR4111 0x0050 236 #define PRID_REV_VR4181 0x0050 /* Same as VR4111 */ 237 #define PRID_REV_VR4121 0x0060 238 #define PRID_REV_VR4122 0x0070 239 #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ 240 #define PRID_REV_VR4130 0x0080 241 #define PRID_REV_34K_V1_0_2 0x0022 242 #define PRID_REV_LOONGSON1B 0x0020 243 #define PRID_REV_LOONGSON2E 0x0002 244 #define PRID_REV_LOONGSON2F 0x0003 245 #define PRID_REV_LOONGSON3A_R1 0x0005 246 #define PRID_REV_LOONGSON3B_R1 0x0006 247 #define PRID_REV_LOONGSON3B_R2 0x0007 248 #define PRID_REV_LOONGSON3A_R2 0x0008 249 250 /* 251 * Older processors used to encode processor version and revision in two 252 * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores 253 * have switched to use the 8-bits as 3:3:2 bitfield with the last field as 254 * the patch number. *ARGH* 255 */ 256 #define PRID_REV_ENCODE_44(ver, rev) \ 257 ((ver) << 4 | (rev)) 258 #define PRID_REV_ENCODE_332(ver, rev, patch) \ 259 ((ver) << 5 | (rev) << 2 | (patch)) 260 261 /* 262 * FPU implementation/revision register (CP1 control register 0). 263 * 264 * +---------------------------------+----------------+----------------+ 265 * | 0 | Implementation | Revision | 266 * +---------------------------------+----------------+----------------+ 267 * 31 16 15 8 7 0 268 */ 269 270 #define FPIR_IMP_MASK 0xff00 271 272 #define FPIR_IMP_NONE 0x0000 273 274 #if !defined(__ASSEMBLY__) 275 276 enum cpu_type_enum { 277 CPU_UNKNOWN, 278 279 /* 280 * R2000 class processors 281 */ 282 CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052, 283 CPU_R3081, CPU_R3081E, 284 285 /* 286 * R6000 class processors 287 */ 288 CPU_R6000, CPU_R6000A, 289 290 /* 291 * R4000 class processors 292 */ 293 CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310, 294 CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650, 295 CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R5432, CPU_R10000, 296 CPU_R12000, CPU_R14000, CPU_R16000, CPU_VR41XX, CPU_VR4111, CPU_VR4121, 297 CPU_VR4122, CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000, 298 CPU_SR71000, CPU_TX49XX, 299 300 /* 301 * R8000 class processors 302 */ 303 CPU_R8000, 304 305 /* 306 * TX3900 class processors 307 */ 308 CPU_TX3912, CPU_TX3922, CPU_TX3927, 309 310 /* 311 * MIPS32 class processors 312 */ 313 CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, 314 CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, 315 CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC, 316 CPU_M14KEC, CPU_INTERAPTIV, CPU_P5600, CPU_PROAPTIV, CPU_1074K, 317 CPU_M5150, CPU_I6400, CPU_P6600, CPU_M6250, 318 319 /* 320 * MIPS64 class processors 321 */ 322 CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2, 323 CPU_LOONGSON3, CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS, 324 CPU_CAVIUM_OCTEON2, CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP, 325 326 CPU_QEMU_GENERIC, 327 328 CPU_LAST 329 }; 330 331 #endif /* !__ASSEMBLY */ 332 333 /* 334 * ISA Level encodings 335 * 336 */ 337 #define MIPS_CPU_ISA_II 0x00000001 338 #define MIPS_CPU_ISA_III 0x00000002 339 #define MIPS_CPU_ISA_IV 0x00000004 340 #define MIPS_CPU_ISA_V 0x00000008 341 #define MIPS_CPU_ISA_M32R1 0x00000010 342 #define MIPS_CPU_ISA_M32R2 0x00000020 343 #define MIPS_CPU_ISA_M64R1 0x00000040 344 #define MIPS_CPU_ISA_M64R2 0x00000080 345 #define MIPS_CPU_ISA_M32R6 0x00000100 346 #define MIPS_CPU_ISA_M64R6 0x00000200 347 348 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \ 349 MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R6) 350 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \ 351 MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2 | \ 352 MIPS_CPU_ISA_M64R6) 353 354 /* 355 * Private version of BIT_ULL() to escape include file recursion hell. 356 * We soon will have to switch to another mechanism that will work with 357 * more than 64 bits anyway. 358 */ 359 #define MBIT_ULL(bit) (1ULL << (bit)) 360 361 /* 362 * CPU Option encodings 363 */ 364 #define MIPS_CPU_TLB MBIT_ULL( 0) /* CPU has TLB */ 365 #define MIPS_CPU_4KEX MBIT_ULL( 1) /* "R4K" exception model */ 366 #define MIPS_CPU_3K_CACHE MBIT_ULL( 2) /* R3000-style caches */ 367 #define MIPS_CPU_4K_CACHE MBIT_ULL( 3) /* R4000-style caches */ 368 #define MIPS_CPU_TX39_CACHE MBIT_ULL( 4) /* TX3900-style caches */ 369 #define MIPS_CPU_FPU MBIT_ULL( 5) /* CPU has FPU */ 370 #define MIPS_CPU_32FPR MBIT_ULL( 6) /* 32 dbl. prec. FP registers */ 371 #define MIPS_CPU_COUNTER MBIT_ULL( 7) /* Cycle count/compare */ 372 #define MIPS_CPU_WATCH MBIT_ULL( 8) /* watchpoint registers */ 373 #define MIPS_CPU_DIVEC MBIT_ULL( 9) /* dedicated interrupt vector */ 374 #define MIPS_CPU_VCE MBIT_ULL(10) /* virt. coherence conflict possible */ 375 #define MIPS_CPU_CACHE_CDEX_P MBIT_ULL(11) /* Create_Dirty_Exclusive CACHE op */ 376 #define MIPS_CPU_CACHE_CDEX_S MBIT_ULL(12) /* ... same for seconary cache ... */ 377 #define MIPS_CPU_MCHECK MBIT_ULL(13) /* Machine check exception */ 378 #define MIPS_CPU_EJTAG MBIT_ULL(14) /* EJTAG exception */ 379 #define MIPS_CPU_NOFPUEX MBIT_ULL(15) /* no FPU exception */ 380 #define MIPS_CPU_LLSC MBIT_ULL(16) /* CPU has ll/sc instructions */ 381 #define MIPS_CPU_INCLUSIVE_CACHES MBIT_ULL(17) /* P-cache subset enforced */ 382 #define MIPS_CPU_PREFETCH MBIT_ULL(18) /* CPU has usable prefetch */ 383 #define MIPS_CPU_VINT MBIT_ULL(19) /* CPU supports MIPSR2 vectored interrupts */ 384 #define MIPS_CPU_VEIC MBIT_ULL(20) /* CPU supports MIPSR2 external interrupt controller mode */ 385 #define MIPS_CPU_ULRI MBIT_ULL(21) /* CPU has ULRI feature */ 386 #define MIPS_CPU_PCI MBIT_ULL(22) /* CPU has Perf Ctr Int indicator */ 387 #define MIPS_CPU_RIXI MBIT_ULL(23) /* CPU has TLB Read/eXec Inhibit */ 388 #define MIPS_CPU_MICROMIPS MBIT_ULL(24) /* CPU has microMIPS capability */ 389 #define MIPS_CPU_TLBINV MBIT_ULL(25) /* CPU supports TLBINV/F */ 390 #define MIPS_CPU_SEGMENTS MBIT_ULL(26) /* CPU supports Segmentation Control registers */ 391 #define MIPS_CPU_EVA MBIT_ULL(27) /* CPU supports Enhanced Virtual Addressing */ 392 #define MIPS_CPU_HTW MBIT_ULL(28) /* CPU support Hardware Page Table Walker */ 393 #define MIPS_CPU_RIXIEX MBIT_ULL(29) /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */ 394 #define MIPS_CPU_MAAR MBIT_ULL(30) /* MAAR(I) registers are present */ 395 #define MIPS_CPU_FRE MBIT_ULL(31) /* FRE & UFE bits implemented */ 396 #define MIPS_CPU_RW_LLB MBIT_ULL(32) /* LLADDR/LLB writes are allowed */ 397 #define MIPS_CPU_LPA MBIT_ULL(33) /* CPU supports Large Physical Addressing */ 398 #define MIPS_CPU_CDMM MBIT_ULL(34) /* CPU has Common Device Memory Map */ 399 #define MIPS_CPU_BP_GHIST MBIT_ULL(35) /* R12K+ Branch Prediction Global History */ 400 #define MIPS_CPU_SP MBIT_ULL(36) /* Small (1KB) page support */ 401 #define MIPS_CPU_FTLB MBIT_ULL(37) /* CPU has Fixed-page-size TLB */ 402 #define MIPS_CPU_NAN_LEGACY MBIT_ULL(38) /* Legacy NaN implemented */ 403 #define MIPS_CPU_NAN_2008 MBIT_ULL(39) /* 2008 NaN implemented */ 404 #define MIPS_CPU_VP MBIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */ 405 #define MIPS_CPU_LDPTE MBIT_ULL(41) /* CPU has ldpte/lddir instructions */ 406 #define MIPS_CPU_MVH MBIT_ULL(42) /* CPU supports MFHC0/MTHC0 */ 407 #define MIPS_CPU_EBASE_WG MBIT_ULL(43) /* CPU has EBase.WG */ 408 #define MIPS_CPU_BADINSTR MBIT_ULL(44) /* CPU has BadInstr register */ 409 #define MIPS_CPU_BADINSTRP MBIT_ULL(45) /* CPU has BadInstrP register */ 410 #define MIPS_CPU_CTXTC MBIT_ULL(46) /* CPU has [X]ConfigContext registers */ 411 #define MIPS_CPU_PERF MBIT_ULL(47) /* CPU has MIPS performance counters */ 412 #define MIPS_CPU_GUESTCTL0EXT MBIT_ULL(48) /* CPU has VZ GuestCtl0Ext register */ 413 #define MIPS_CPU_GUESTCTL1 MBIT_ULL(49) /* CPU has VZ GuestCtl1 register */ 414 #define MIPS_CPU_GUESTCTL2 MBIT_ULL(50) /* CPU has VZ GuestCtl2 register */ 415 #define MIPS_CPU_GUESTID MBIT_ULL(51) /* CPU uses VZ ASE GuestID feature */ 416 #define MIPS_CPU_DRG MBIT_ULL(52) /* CPU has VZ Direct Root to Guest (DRG) */ 417 418 /* 419 * CPU ASE encodings 420 */ 421 #define MIPS_ASE_MIPS16 0x00000001 /* code compression */ 422 #define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */ 423 #define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */ 424 #define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */ 425 #define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */ 426 #define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */ 427 #define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */ 428 #define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */ 429 #define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */ 430 #define MIPS_ASE_DSP3 0x00000200 /* Signal Processing ASE Rev 3*/ 431 432 #endif /* _ASM_CPU_H */ 433