1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _MACHINE_SPECIALREG_H_ 33 #define _MACHINE_SPECIALREG_H_ 34 35 /* 36 * Bits in 386 special registers: 37 */ 38 #define CR0_PE 0x00000001 /* Protected mode Enable */ 39 #define CR0_MP 0x00000002 /* "Math" (fpu) Present */ 40 #define CR0_EM 0x00000004 /* EMulate FPU instructions. (trap ESC only) */ 41 #define CR0_TS 0x00000008 /* Task Switched (if MP, trap ESC and WAIT) */ 42 #define CR0_PG 0x80000000 /* PaGing enable */ 43 44 /* 45 * Bits in 486 special registers: 46 */ 47 #define CR0_NE 0x00000020 /* Numeric Error enable (EX16 vs IRQ13) */ 48 #define CR0_WP 0x00010000 /* Write Protect (honor page protect in 49 all modes) */ 50 #define CR0_AM 0x00040000 /* Alignment Mask (set to enable AC flag) */ 51 #define CR0_NW 0x20000000 /* Not Write-through */ 52 #define CR0_CD 0x40000000 /* Cache Disable */ 53 54 #define CR3_PCID_SAVE 0x8000000000000000 55 #define CR3_PCID_MASK 0xfff 56 57 /* 58 * Bits in PPro special registers 59 */ 60 #define CR4_VME 0x00000001 /* Virtual 8086 mode extensions */ 61 #define CR4_PVI 0x00000002 /* Protected-mode virtual interrupts */ 62 #define CR4_TSD 0x00000004 /* Time stamp disable */ 63 #define CR4_DE 0x00000008 /* Debugging extensions */ 64 #define CR4_PSE 0x00000010 /* Page size extensions */ 65 #define CR4_PAE 0x00000020 /* Physical address extension */ 66 #define CR4_MCE 0x00000040 /* Machine check enable */ 67 #define CR4_PGE 0x00000080 /* Page global enable */ 68 #define CR4_PCE 0x00000100 /* Performance monitoring counter enable */ 69 #define CR4_FXSR 0x00000200 /* Fast FPU save/restore used by OS */ 70 #define CR4_XMM 0x00000400 /* enable SIMD/MMX2 to use except 16 */ 71 #define CR4_UMIP 0x00000800 /* User Mode Instruction Prevention */ 72 #define CR4_LA57 0x00001000 /* Enable 5-level paging */ 73 #define CR4_VMXE 0x00002000 /* enable VMX operation (Intel-specific) */ 74 #define CR4_FSGSBASE 0x00010000 /* Enable FS/GS BASE accessing instructions */ 75 #define CR4_PCIDE 0x00020000 /* Enable Context ID */ 76 #define CR4_XSAVE 0x00040000 /* XSETBV/XGETBV */ 77 #define CR4_SMEP 0x00100000 /* Supervisor-Mode Execution Prevention */ 78 #define CR4_SMAP 0x00200000 /* Supervisor-Mode Access Prevention */ 79 #define CR4_PKE 0x00400000 /* Protection Keys Enable */ 80 81 /* 82 * Bits in AMD64 special registers. EFER is 64 bits wide. 83 */ 84 #define EFER_SCE 0x000000001 /* System Call Extensions (R/W) */ 85 #define EFER_LME 0x000000100 /* Long mode enable (R/W) */ 86 #define EFER_LMA 0x000000400 /* Long mode active (R) */ 87 #define EFER_NXE 0x000000800 /* PTE No-Execute bit enable (R/W) */ 88 #define EFER_SVM 0x000001000 /* SVM enable bit for AMD, reserved for Intel */ 89 #define EFER_LMSLE 0x000002000 /* Long Mode Segment Limit Enable */ 90 #define EFER_FFXSR 0x000004000 /* Fast FXSAVE/FSRSTOR */ 91 #define EFER_TCE 0x000008000 /* Translation Cache Extension */ 92 #define EFER_MCOMMIT 0x00020000 /* Enable MCOMMIT (AMD) */ 93 94 /* 95 * Intel Extended Features registers 96 */ 97 #define XCR0 0 /* XFEATURE_ENABLED_MASK register */ 98 99 #define XFEATURE_ENABLED_X87 0x00000001 100 #define XFEATURE_ENABLED_SSE 0x00000002 101 #define XFEATURE_ENABLED_YMM_HI128 0x00000004 102 #define XFEATURE_ENABLED_AVX XFEATURE_ENABLED_YMM_HI128 103 #define XFEATURE_ENABLED_BNDREGS 0x00000008 104 #define XFEATURE_ENABLED_BNDCSR 0x00000010 105 #define XFEATURE_ENABLED_OPMASK 0x00000020 106 #define XFEATURE_ENABLED_ZMM_HI256 0x00000040 107 #define XFEATURE_ENABLED_HI16_ZMM 0x00000080 108 #define XFEATURE_ENABLED_PKRU 0x00000200 109 #define XFEATURE_ENABLED_TILECONFIG 0x00020000 110 #define XFEATURE_ENABLED_TILEDATA 0x00040000 111 112 #define XFEATURE_AVX \ 113 (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX) 114 #define XFEATURE_AVX512 \ 115 (XFEATURE_ENABLED_OPMASK | XFEATURE_ENABLED_ZMM_HI256 | \ 116 XFEATURE_ENABLED_HI16_ZMM) 117 #define XFEATURE_MPX \ 118 (XFEATURE_ENABLED_BNDREGS | XFEATURE_ENABLED_BNDCSR) 119 120 /* 121 * CPUID instruction features register 122 */ 123 #define CPUID_FPU 0x00000001 124 #define CPUID_VME 0x00000002 125 #define CPUID_DE 0x00000004 126 #define CPUID_PSE 0x00000008 127 #define CPUID_TSC 0x00000010 128 #define CPUID_MSR 0x00000020 129 #define CPUID_PAE 0x00000040 130 #define CPUID_MCE 0x00000080 131 #define CPUID_CX8 0x00000100 132 #define CPUID_APIC 0x00000200 133 #define CPUID_B10 0x00000400 134 #define CPUID_SEP 0x00000800 135 #define CPUID_MTRR 0x00001000 136 #define CPUID_PGE 0x00002000 137 #define CPUID_MCA 0x00004000 138 #define CPUID_CMOV 0x00008000 139 #define CPUID_PAT 0x00010000 140 #define CPUID_PSE36 0x00020000 141 #define CPUID_PSN 0x00040000 142 #define CPUID_CLFSH 0x00080000 143 #define CPUID_B20 0x00100000 144 #define CPUID_DS 0x00200000 145 #define CPUID_ACPI 0x00400000 146 #define CPUID_MMX 0x00800000 147 #define CPUID_FXSR 0x01000000 148 #define CPUID_SSE 0x02000000 149 #define CPUID_XMM 0x02000000 150 #define CPUID_SSE2 0x04000000 151 #define CPUID_SS 0x08000000 152 #define CPUID_HTT 0x10000000 153 #define CPUID_TM 0x20000000 154 #define CPUID_IA64 0x40000000 155 #define CPUID_PBE 0x80000000 156 157 #define CPUID2_SSE3 0x00000001 158 #define CPUID2_PCLMULQDQ 0x00000002 159 #define CPUID2_DTES64 0x00000004 160 #define CPUID2_MON 0x00000008 161 #define CPUID2_DS_CPL 0x00000010 162 #define CPUID2_VMX 0x00000020 163 #define CPUID2_SMX 0x00000040 164 #define CPUID2_EST 0x00000080 165 #define CPUID2_TM2 0x00000100 166 #define CPUID2_SSSE3 0x00000200 167 #define CPUID2_CNXTID 0x00000400 168 #define CPUID2_SDBG 0x00000800 169 #define CPUID2_FMA 0x00001000 170 #define CPUID2_CX16 0x00002000 171 #define CPUID2_XTPR 0x00004000 172 #define CPUID2_PDCM 0x00008000 173 #define CPUID2_PCID 0x00020000 174 #define CPUID2_DCA 0x00040000 175 #define CPUID2_SSE41 0x00080000 176 #define CPUID2_SSE42 0x00100000 177 #define CPUID2_X2APIC 0x00200000 178 #define CPUID2_MOVBE 0x00400000 179 #define CPUID2_POPCNT 0x00800000 180 #define CPUID2_TSCDLT 0x01000000 181 #define CPUID2_AESNI 0x02000000 182 #define CPUID2_XSAVE 0x04000000 183 #define CPUID2_OSXSAVE 0x08000000 184 #define CPUID2_AVX 0x10000000 185 #define CPUID2_F16C 0x20000000 186 #define CPUID2_RDRAND 0x40000000 187 #define CPUID2_HV 0x80000000 188 189 /* Intel Processor Trace CPUID. */ 190 191 /* Leaf 0 ebx. */ 192 #define CPUPT_CR3 (1 << 0) /* CR3 Filtering Support */ 193 #define CPUPT_PSB (1 << 1) /* Configurable PSB and Cycle-Accurate Mode Supported */ 194 #define CPUPT_IPF (1 << 2) /* IP Filtering and TraceStop supported */ 195 #define CPUPT_MTC (1 << 3) /* MTC Supported */ 196 #define CPUPT_PRW (1 << 4) /* PTWRITE Supported */ 197 #define CPUPT_PWR (1 << 5) /* Power Event Trace Supported */ 198 199 /* Leaf 0 ecx. */ 200 #define CPUPT_TOPA (1 << 0) /* ToPA Output Supported */ 201 #define CPUPT_TOPA_MULTI (1 << 1) /* ToPA Tables Allow Multiple Output Entries */ 202 #define CPUPT_SINGLE (1 << 2) /* Single-Range Output Supported */ 203 #define CPUPT_TT_OUT (1 << 3) /* Output to Trace Transport Subsystem Supported */ 204 #define CPUPT_LINEAR_IP (1 << 31) /* IP Payloads are Linear IP, otherwise IP is effective */ 205 206 /* Leaf 1 eax. */ 207 #define CPUPT_NADDR_S 0 /* Number of Address Ranges */ 208 #define CPUPT_NADDR_M (0x7 << CPUPT_NADDR_S) 209 #define CPUPT_MTC_BITMAP_S 16 /* Bitmap of supported MTC Period Encodings */ 210 #define CPUPT_MTC_BITMAP_M (0xffff << CPUPT_MTC_BITMAP_S) 211 212 /* Leaf 1 ebx. */ 213 #define CPUPT_CT_BITMAP_S 0 /* Bitmap of supported Cycle Threshold values */ 214 #define CPUPT_CT_BITMAP_M (0xffff << CPUPT_CT_BITMAP_S) 215 #define CPUPT_PFE_BITMAP_S 16 /* Bitmap of supported Configurable PSB Frequency encoding */ 216 #define CPUPT_PFE_BITMAP_M (0xffff << CPUPT_PFE_BITMAP_S) 217 218 /* 219 * Important bits in the AMD extended cpuid flags 220 */ 221 #define AMDID_SYSCALL 0x00000800 222 #define AMDID_MP 0x00080000 223 #define AMDID_NX 0x00100000 224 #define AMDID_EXT_MMX 0x00400000 225 #define AMDID_FFXSR 0x02000000 226 #define AMDID_PAGE1GB 0x04000000 227 #define AMDID_RDTSCP 0x08000000 228 #define AMDID_LM 0x20000000 229 #define AMDID_EXT_3DNOW 0x40000000 230 #define AMDID_3DNOW 0x80000000 231 232 #define AMDID2_LAHF 0x00000001 233 #define AMDID2_CMP 0x00000002 234 #define AMDID2_SVM 0x00000004 235 #define AMDID2_EXT_APIC 0x00000008 236 #define AMDID2_CR8 0x00000010 237 #define AMDID2_ABM 0x00000020 238 #define AMDID2_SSE4A 0x00000040 239 #define AMDID2_MAS 0x00000080 240 #define AMDID2_PREFETCH 0x00000100 241 #define AMDID2_OSVW 0x00000200 242 #define AMDID2_IBS 0x00000400 243 #define AMDID2_XOP 0x00000800 244 #define AMDID2_SKINIT 0x00001000 245 #define AMDID2_WDT 0x00002000 246 #define AMDID2_LWP 0x00008000 247 #define AMDID2_FMA4 0x00010000 248 #define AMDID2_TCE 0x00020000 249 #define AMDID2_NODE_ID 0x00080000 250 #define AMDID2_TBM 0x00200000 251 #define AMDID2_TOPOLOGY 0x00400000 252 #define AMDID2_PCXC 0x00800000 253 #define AMDID2_PNXC 0x01000000 254 #define AMDID2_DBE 0x04000000 255 #define AMDID2_PTSC 0x08000000 256 #define AMDID2_PTSCEL2I 0x10000000 257 #define AMDID2_MWAITX 0x20000000 258 259 /* 260 * CPUID instruction 1 eax info 261 */ 262 #define CPUID_STEPPING 0x0000000f 263 #define CPUID_MODEL 0x000000f0 264 #define CPUID_FAMILY 0x00000f00 265 #define CPUID_EXT_MODEL 0x000f0000 266 #define CPUID_EXT_FAMILY 0x0ff00000 267 #ifdef __i386__ 268 #define CPUID_TO_MODEL(id) \ 269 ((((id) & CPUID_MODEL) >> 4) | \ 270 ((((id) & CPUID_FAMILY) >= 0x600) ? \ 271 (((id) & CPUID_EXT_MODEL) >> 12) : 0)) 272 #define CPUID_TO_FAMILY(id) \ 273 ((((id) & CPUID_FAMILY) >> 8) + \ 274 ((((id) & CPUID_FAMILY) == 0xf00) ? \ 275 (((id) & CPUID_EXT_FAMILY) >> 20) : 0)) 276 #else 277 #define CPUID_TO_MODEL(id) \ 278 ((((id) & CPUID_MODEL) >> 4) | \ 279 (((id) & CPUID_EXT_MODEL) >> 12)) 280 #define CPUID_TO_FAMILY(id) \ 281 ((((id) & CPUID_FAMILY) >> 8) + \ 282 (((id) & CPUID_EXT_FAMILY) >> 20)) 283 #endif 284 #define CPUID_TO_STEPPING(id) ((id) & CPUID_STEPPING) 285 286 /* 287 * CPUID instruction 1 ebx info 288 */ 289 #define CPUID_BRAND_INDEX 0x000000ff 290 #define CPUID_CLFUSH_SIZE 0x0000ff00 291 #define CPUID_HTT_CORES 0x00ff0000 292 #define CPUID_LOCAL_APIC_ID 0xff000000 293 294 /* 295 * CPUID instruction 5 info 296 */ 297 #define CPUID5_MON_MIN_SIZE 0x0000ffff /* eax */ 298 #define CPUID5_MON_MAX_SIZE 0x0000ffff /* ebx */ 299 #define CPUID5_MON_MWAIT_EXT 0x00000001 /* ecx */ 300 #define CPUID5_MWAIT_INTRBREAK 0x00000002 /* ecx */ 301 302 /* 303 * MWAIT cpu power states. Lower 4 bits are sub-states. 304 */ 305 #define MWAIT_C0 0xf0 306 #define MWAIT_C1 0x00 307 #define MWAIT_C2 0x10 308 #define MWAIT_C3 0x20 309 #define MWAIT_C4 0x30 310 311 /* 312 * MWAIT extensions. 313 */ 314 /* Interrupt breaks MWAIT even when masked. */ 315 #define MWAIT_INTRBREAK 0x00000001 316 317 /* 318 * CPUID leaf 6: Thermal and Power management. 319 */ 320 /* Eax. */ 321 #define CPUTPM1_SENSOR 0x00000001 322 #define CPUTPM1_TURBO 0x00000002 323 #define CPUTPM1_ARAT 0x00000004 324 #define CPUTPM1_PLN 0x00000010 325 #define CPUTPM1_ECMD 0x00000020 326 #define CPUTPM1_PTM 0x00000040 327 #define CPUTPM1_HWP 0x00000080 328 #define CPUTPM1_HWP_NOTIFICATION 0x00000100 329 #define CPUTPM1_HWP_ACTIVITY_WINDOW 0x00000200 330 #define CPUTPM1_HWP_PERF_PREF 0x00000400 331 #define CPUTPM1_HWP_PKG 0x00000800 332 #define CPUTPM1_HDC 0x00002000 333 #define CPUTPM1_TURBO30 0x00004000 334 #define CPUTPM1_HWP_CAPABILITIES 0x00008000 335 #define CPUTPM1_HWP_PECI_OVR 0x00010000 336 #define CPUTPM1_HWP_FLEXIBLE 0x00020000 337 #define CPUTPM1_HWP_FAST_MSR 0x00040000 338 #define CPUTPM1_HW_FEEDBACK 0x00080000 339 #define CPUTPM1_HWP_IGN_IDLE 0x00100000 340 #define CPUTPM1_THREAD_DIRECTOR 0x00800000 341 342 /* Ebx. */ 343 #define CPUTPM_B_NSENSINTTHRESH 0x0000000f 344 345 /* Ecx. */ 346 #define CPUID_PERF_STAT 0x00000001 347 #define CPUID_PERF_BIAS 0x00000008 348 #define CPUID_PERF_TD_CLASSES 0x0000ff00 349 350 /* Edx. */ 351 #define CPUID_HF_PERFORMANCE 0x00000001 352 #define CPUID_HF_EFFICIENCY 0x00000002 353 #define CPUID_TD_CAPABLITIES 0x0000000f 354 #define CPUID_TD_TBLPAGES 0x00000f00 355 356 /* 357 * CPUID instruction 0xb ebx info. 358 */ 359 #define CPUID_TYPE_INVAL 0 360 #define CPUID_TYPE_SMT 1 361 #define CPUID_TYPE_CORE 2 362 363 /* 364 * CPUID instruction 0xd Processor Extended State Enumeration Sub-leaf 1 365 */ 366 #define CPUID_EXTSTATE_XSAVEOPT 0x00000001 367 #define CPUID_EXTSTATE_XSAVEC 0x00000002 368 #define CPUID_EXTSTATE_XINUSE 0x00000004 369 #define CPUID_EXTSTATE_XSAVES 0x00000008 370 371 /* 372 * AMD extended function 8000_0007h ebx info 373 */ 374 #define AMDRAS_MCA_OF_RECOV 0x00000001 375 #define AMDRAS_SUCCOR 0x00000002 376 #define AMDRAS_HW_ASSERT 0x00000004 377 #define AMDRAS_SCALABLE_MCA 0x00000008 378 #define AMDRAS_PFEH_SUPPORT 0x00000010 379 380 /* 381 * AMD extended function 8000_0007h edx info 382 */ 383 #define AMDPM_TS 0x00000001 384 #define AMDPM_FID 0x00000002 385 #define AMDPM_VID 0x00000004 386 #define AMDPM_TTP 0x00000008 387 #define AMDPM_TM 0x00000010 388 #define AMDPM_STC 0x00000020 389 #define AMDPM_100MHZ_STEPS 0x00000040 390 #define AMDPM_HW_PSTATE 0x00000080 391 #define AMDPM_TSC_INVARIANT 0x00000100 392 #define AMDPM_CPB 0x00000200 393 394 /* 395 * AMD extended function 8000_0008h ebx info (amd_extended_feature_extensions) 396 */ 397 #define AMDFEID_CLZERO 0x00000001 398 #define AMDFEID_IRPERF 0x00000002 399 #define AMDFEID_XSAVEERPTR 0x00000004 400 #define AMDFEID_INVLPGB 0x00000008 401 #define AMDFEID_RDPRU 0x00000010 402 #define AMDFEID_BE 0x00000040 403 #define AMDFEID_MCOMMIT 0x00000100 404 #define AMDFEID_WBNOINVD 0x00000200 405 #define AMDFEID_IBPB 0x00001000 406 #define AMDFEID_INT_WBINVD 0x00002000 407 #define AMDFEID_IBRS 0x00004000 408 #define AMDFEID_STIBP 0x00008000 409 /* The below are only defined if the corresponding base feature above exists. */ 410 #define AMDFEID_IBRS_ALWAYSON 0x00010000 411 #define AMDFEID_STIBP_ALWAYSON 0x00020000 412 #define AMDFEID_PREFER_IBRS 0x00040000 413 #define AMDFEID_SAMEMODE_IBRS 0x00080000 414 #define AMDFEID_NO_LMSLE 0x00100000 415 #define AMDFEID_INVLPGB_NEST 0x00200000 416 #define AMDFEID_PPIN 0x00800000 417 #define AMDFEID_SSBD 0x01000000 418 /* SSBD via MSRC001_011F instead of MSR 0x48: */ 419 #define AMDFEID_VIRT_SSBD 0x02000000 420 #define AMDFEID_SSB_NO 0x04000000 421 #define AMDFEID_CPPC 0x08000000 422 #define AMDFEID_PSFD 0x10000000 423 #define AMDFEID_BTC_NO 0x20000000 424 #define AMDFEID_IBPB_RET 0x40000000 425 426 /* 427 * AMD extended function 8000_0008h ecx info 428 */ 429 #define AMDID_CMP_CORES 0x000000ff 430 #define AMDID_COREID_SIZE 0x0000f000 431 #define AMDID_COREID_SIZE_SHIFT 12 432 433 /* 434 * AMD extended function 8000_0008h edx info 435 */ 436 #define AMDID_INVLPGB_MAXCNT 0x0000ffff 437 #define AMDID_RDPRU_SHIFT 16 438 #define AMDID_RDPRU_ID 0xffff0000 439 440 /* 441 * CPUID instruction 7 Structured Extended Features, leaf 0 ebx info 442 */ 443 #define CPUID_STDEXT_FSGSBASE 0x00000001 444 #define CPUID_STDEXT_TSC_ADJUST 0x00000002 445 #define CPUID_STDEXT_SGX 0x00000004 446 #define CPUID_STDEXT_BMI1 0x00000008 447 #define CPUID_STDEXT_HLE 0x00000010 448 #define CPUID_STDEXT_AVX2 0x00000020 449 #define CPUID_STDEXT_FDP_EXC 0x00000040 450 #define CPUID_STDEXT_SMEP 0x00000080 451 #define CPUID_STDEXT_BMI2 0x00000100 452 #define CPUID_STDEXT_ERMS 0x00000200 453 #define CPUID_STDEXT_INVPCID 0x00000400 454 #define CPUID_STDEXT_RTM 0x00000800 455 #define CPUID_STDEXT_PQM 0x00001000 456 #define CPUID_STDEXT_NFPUSG 0x00002000 457 #define CPUID_STDEXT_MPX 0x00004000 458 #define CPUID_STDEXT_PQE 0x00008000 459 #define CPUID_STDEXT_AVX512F 0x00010000 460 #define CPUID_STDEXT_AVX512DQ 0x00020000 461 #define CPUID_STDEXT_RDSEED 0x00040000 462 #define CPUID_STDEXT_ADX 0x00080000 463 #define CPUID_STDEXT_SMAP 0x00100000 464 #define CPUID_STDEXT_AVX512IFMA 0x00200000 465 /* Formerly PCOMMIT */ 466 #define CPUID_STDEXT_CLFLUSHOPT 0x00800000 467 #define CPUID_STDEXT_CLWB 0x01000000 468 #define CPUID_STDEXT_PROCTRACE 0x02000000 469 #define CPUID_STDEXT_AVX512PF 0x04000000 470 #define CPUID_STDEXT_AVX512ER 0x08000000 471 #define CPUID_STDEXT_AVX512CD 0x10000000 472 #define CPUID_STDEXT_SHA 0x20000000 473 #define CPUID_STDEXT_AVX512BW 0x40000000 474 #define CPUID_STDEXT_AVX512VL 0x80000000 475 476 /* 477 * CPUID instruction 7 Structured Extended Features, leaf 0 ecx info 478 */ 479 #define CPUID_STDEXT2_PREFETCHWT1 0x00000001 480 #define CPUID_STDEXT2_AVX512VBMI 0x00000002 481 #define CPUID_STDEXT2_UMIP 0x00000004 482 #define CPUID_STDEXT2_PKU 0x00000008 483 #define CPUID_STDEXT2_OSPKE 0x00000010 484 #define CPUID_STDEXT2_WAITPKG 0x00000020 485 #define CPUID_STDEXT2_AVX512VBMI2 0x00000040 486 #define CPUID_STDEXT2_GFNI 0x00000100 487 #define CPUID_STDEXT2_VAES 0x00000200 488 #define CPUID_STDEXT2_VPCLMULQDQ 0x00000400 489 #define CPUID_STDEXT2_AVX512VNNI 0x00000800 490 #define CPUID_STDEXT2_AVX512BITALG 0x00001000 491 #define CPUID_STDEXT2_TME 0x00002000 492 #define CPUID_STDEXT2_AVX512VPOPCNTDQ 0x00004000 493 #define CPUID_STDEXT2_LA57 0x00010000 494 #define CPUID_STDEXT2_RDPID 0x00400000 495 #define CPUID_STDEXT2_CLDEMOTE 0x02000000 496 #define CPUID_STDEXT2_MOVDIRI 0x08000000 497 #define CPUID_STDEXT2_MOVDIR64B 0x10000000 498 #define CPUID_STDEXT2_ENQCMD 0x20000000 499 #define CPUID_STDEXT2_SGXLC 0x40000000 500 501 /* 502 * CPUID instruction 7 Structured Extended Features, leaf 0 edx info 503 */ 504 #define CPUID_STDEXT3_AVX5124VNNIW 0x00000004 505 #define CPUID_STDEXT3_AVX5124FMAPS 0x00000008 506 #define CPUID_STDEXT3_FSRM 0x00000010 507 #define CPUID_STDEXT3_AVX512VP2INTERSECT 0x00000100 508 #define CPUID_STDEXT3_MCUOPT 0x00000200 509 #define CPUID_STDEXT3_MD_CLEAR 0x00000400 510 #define CPUID_STDEXT3_TSXFA 0x00002000 511 #define CPUID_STDEXT3_PCONFIG 0x00040000 512 #define CPUID_STDEXT3_IBPB 0x04000000 513 #define CPUID_STDEXT3_STIBP 0x08000000 514 #define CPUID_STDEXT3_L1D_FLUSH 0x10000000 515 #define CPUID_STDEXT3_ARCH_CAP 0x20000000 516 #define CPUID_STDEXT3_CORE_CAP 0x40000000 517 #define CPUID_STDEXT3_SSBD 0x80000000 518 519 /* CPUID_HYBRID_ID leaf 0x1a */ 520 #define CPUID_HYBRID_CORE_MASK 0xff000000 521 #define CPUID_HYBRID_SMALL_CORE 0x20000000 522 #define CPUID_HYBRID_LARGE_CORE 0x40000000 523 524 /* MSR IA32_ARCH_CAP(ABILITIES) bits */ 525 #define IA32_ARCH_CAP_RDCL_NO 0x00000001 526 #define IA32_ARCH_CAP_IBRS_ALL 0x00000002 527 #define IA32_ARCH_CAP_RSBA 0x00000004 528 #define IA32_ARCH_CAP_SKIP_L1DFL_VMENTRY 0x00000008 529 #define IA32_ARCH_CAP_SSB_NO 0x00000010 530 #define IA32_ARCH_CAP_MDS_NO 0x00000020 531 #define IA32_ARCH_CAP_IF_PSCHANGE_MC_NO 0x00000040 532 #define IA32_ARCH_CAP_TSX_CTRL 0x00000080 533 #define IA32_ARCH_CAP_TAA_NO 0x00000100 534 535 /* MSR IA32_TSX_CTRL bits */ 536 #define IA32_TSX_CTRL_RTM_DISABLE 0x00000001 537 #define IA32_TSX_CTRL_TSX_CPUID_CLEAR 0x00000002 538 539 /* 540 * CPUID manufacturers identifiers 541 */ 542 #define AMD_VENDOR_ID "AuthenticAMD" 543 #define CENTAUR_VENDOR_ID "CentaurHauls" 544 #define CYRIX_VENDOR_ID "CyrixInstead" 545 #define INTEL_VENDOR_ID "GenuineIntel" 546 #define NEXGEN_VENDOR_ID "NexGenDriven" 547 #define NSC_VENDOR_ID "Geode by NSC" 548 #define RISE_VENDOR_ID "RiseRiseRise" 549 #define SIS_VENDOR_ID "SiS SiS SiS " 550 #define TRANSMETA_VENDOR_ID "GenuineTMx86" 551 #define UMC_VENDOR_ID "UMC UMC UMC " 552 #define HYGON_VENDOR_ID "HygonGenuine" 553 554 /* 555 * Model-specific registers for the i386 family 556 */ 557 #define MSR_P5_MC_ADDR 0x000 558 #define MSR_P5_MC_TYPE 0x001 559 #define MSR_TSC 0x010 560 #define MSR_P5_CESR 0x011 561 #define MSR_P5_CTR0 0x012 562 #define MSR_P5_CTR1 0x013 563 #define MSR_IA32_PLATFORM_ID 0x017 564 #define MSR_APICBASE 0x01b 565 #define MSR_EBL_CR_POWERON 0x02a 566 #define MSR_TEST_CTL 0x033 567 #define MSR_IA32_FEATURE_CONTROL 0x03a 568 #define MSR_IA32_SPEC_CTRL 0x048 569 #define MSR_IA32_PRED_CMD 0x049 570 #define MSR_BIOS_UPDT_TRIG 0x079 571 #define MSR_BBL_CR_D0 0x088 572 #define MSR_BBL_CR_D1 0x089 573 #define MSR_BBL_CR_D2 0x08a 574 #define MSR_BIOS_SIGN 0x08b 575 #define MSR_PERFCTR0 0x0c1 576 #define MSR_PERFCTR1 0x0c2 577 #define MSR_PLATFORM_INFO 0x0ce 578 #define MSR_MPERF 0x0e7 579 #define MSR_APERF 0x0e8 580 #define MSR_IA32_EXT_CONFIG 0x0ee /* Undocumented. Core Solo/Duo only */ 581 #define MSR_MTRRcap 0x0fe 582 #define MSR_IA32_ARCH_CAP 0x10a 583 #define MSR_IA32_FLUSH_CMD 0x10b 584 #define MSR_TSX_FORCE_ABORT 0x10f 585 #define MSR_BBL_CR_ADDR 0x116 586 #define MSR_BBL_CR_DECC 0x118 587 #define MSR_BBL_CR_CTL 0x119 588 #define MSR_BBL_CR_TRIG 0x11a 589 #define MSR_BBL_CR_BUSY 0x11b 590 #define MSR_BBL_CR_CTL3 0x11e 591 #define MSR_IA32_TSX_CTRL 0x122 592 #define MSR_IA32_MCU_OPT_CTRL 0x123 593 #define MSR_MISC_FEATURE_ENABLES 0x140 594 #define MSR_SYSENTER_CS_MSR 0x174 595 #define MSR_SYSENTER_ESP_MSR 0x175 596 #define MSR_SYSENTER_EIP_MSR 0x176 597 #define MSR_MCG_CAP 0x179 598 #define MSR_MCG_STATUS 0x17a 599 #define MSR_MCG_CTL 0x17b 600 #define MSR_EVNTSEL0 0x186 601 #define MSR_EVNTSEL1 0x187 602 #define MSR_THERM_CONTROL 0x19a 603 #define MSR_THERM_INTERRUPT 0x19b 604 #define MSR_THERM_STATUS 0x19c 605 #define MSR_IA32_MISC_ENABLE 0x1a0 606 #define MSR_IA32_TEMPERATURE_TARGET 0x1a2 607 #define MSR_TURBO_RATIO_LIMIT 0x1ad 608 #define MSR_TURBO_RATIO_LIMIT1 0x1ae 609 #define MSR_IA32_ENERGY_PERF_BIAS 0x1b0 610 #define MSR_IA32_PKG_THERM_STATUS 0x1b1 611 #define MSR_IA32_PKG_THERM_INTERRUPT 0x1b2 612 #define MSR_DEBUGCTLMSR 0x1d9 613 #define MSR_LASTBRANCHFROMIP 0x1db 614 #define MSR_LASTBRANCHTOIP 0x1dc 615 #define MSR_LASTINTFROMIP 0x1dd 616 #define MSR_LASTINTTOIP 0x1de 617 #define MSR_ROB_CR_BKUPTMPDR6 0x1e0 618 #define MSR_MTRRVarBase 0x200 619 #define MSR_MTRR64kBase 0x250 620 #define MSR_MTRR16kBase 0x258 621 #define MSR_MTRR4kBase 0x268 622 #define MSR_PAT 0x277 623 #define MSR_MC0_CTL2 0x280 624 #define MSR_MTRRdefType 0x2ff 625 #define MSR_MC0_CTL 0x400 626 #define MSR_MC0_STATUS 0x401 627 #define MSR_MC0_ADDR 0x402 628 #define MSR_MC0_MISC 0x403 629 #define MSR_MC1_CTL 0x404 630 #define MSR_MC1_STATUS 0x405 631 #define MSR_MC1_ADDR 0x406 632 #define MSR_MC1_MISC 0x407 633 #define MSR_MC2_CTL 0x408 634 #define MSR_MC2_STATUS 0x409 635 #define MSR_MC2_ADDR 0x40a 636 #define MSR_MC2_MISC 0x40b 637 #define MSR_MC3_CTL 0x40c 638 #define MSR_MC3_STATUS 0x40d 639 #define MSR_MC3_ADDR 0x40e 640 #define MSR_MC3_MISC 0x40f 641 #define MSR_MC4_CTL 0x410 642 #define MSR_MC4_STATUS 0x411 643 #define MSR_MC4_ADDR 0x412 644 #define MSR_MC4_MISC 0x413 645 #define MSR_MCG_EXT_CTL 0x4d0 646 #define MSR_RAPL_POWER_UNIT 0x606 647 #define MSR_PKG_ENERGY_STATUS 0x611 648 #define MSR_DRAM_ENERGY_STATUS 0x619 649 #define MSR_PP0_ENERGY_STATUS 0x639 650 #define MSR_PP1_ENERGY_STATUS 0x641 651 #define MSR_PPERF 0x64e 652 #define MSR_TSC_DEADLINE 0x6e0 /* Writes are not serializing */ 653 #define MSR_IA32_PM_ENABLE 0x770 654 #define MSR_IA32_HWP_CAPABILITIES 0x771 655 #define MSR_IA32_HWP_REQUEST_PKG 0x772 656 #define MSR_IA32_HWP_INTERRUPT 0x773 657 #define MSR_IA32_HWP_REQUEST 0x774 658 #define MSR_IA32_HWP_STATUS 0x777 659 660 /* 661 * VMX MSRs 662 */ 663 #define MSR_VMX_BASIC 0x480 664 #define MSR_VMX_PINBASED_CTLS 0x481 665 #define MSR_VMX_PROCBASED_CTLS 0x482 666 #define MSR_VMX_EXIT_CTLS 0x483 667 #define MSR_VMX_ENTRY_CTLS 0x484 668 #define MSR_VMX_CR0_FIXED0 0x486 669 #define MSR_VMX_CR0_FIXED1 0x487 670 #define MSR_VMX_CR4_FIXED0 0x488 671 #define MSR_VMX_CR4_FIXED1 0x489 672 #define MSR_VMX_PROCBASED_CTLS2 0x48b 673 #define MSR_VMX_EPT_VPID_CAP 0x48c 674 #define MSR_VMX_TRUE_PINBASED_CTLS 0x48d 675 #define MSR_VMX_TRUE_PROCBASED_CTLS 0x48e 676 #define MSR_VMX_TRUE_EXIT_CTLS 0x48f 677 #define MSR_VMX_TRUE_ENTRY_CTLS 0x490 678 679 /* 680 * X2APIC MSRs. 681 * Writes are not serializing. 682 */ 683 #define MSR_APIC_000 0x800 684 #define MSR_APIC_ID 0x802 685 #define MSR_APIC_VERSION 0x803 686 #define MSR_APIC_TPR 0x808 687 #define MSR_APIC_EOI 0x80b 688 #define MSR_APIC_LDR 0x80d 689 #define MSR_APIC_SVR 0x80f 690 #define MSR_APIC_ISR0 0x810 691 #define MSR_APIC_ISR1 0x811 692 #define MSR_APIC_ISR2 0x812 693 #define MSR_APIC_ISR3 0x813 694 #define MSR_APIC_ISR4 0x814 695 #define MSR_APIC_ISR5 0x815 696 #define MSR_APIC_ISR6 0x816 697 #define MSR_APIC_ISR7 0x817 698 #define MSR_APIC_TMR0 0x818 699 #define MSR_APIC_IRR0 0x820 700 #define MSR_APIC_ESR 0x828 701 #define MSR_APIC_LVT_CMCI 0x82F 702 #define MSR_APIC_ICR 0x830 703 #define MSR_APIC_LVT_TIMER 0x832 704 #define MSR_APIC_LVT_THERMAL 0x833 705 #define MSR_APIC_LVT_PCINT 0x834 706 #define MSR_APIC_LVT_LINT0 0x835 707 #define MSR_APIC_LVT_LINT1 0x836 708 #define MSR_APIC_LVT_ERROR 0x837 709 #define MSR_APIC_ICR_TIMER 0x838 710 #define MSR_APIC_CCR_TIMER 0x839 711 #define MSR_APIC_DCR_TIMER 0x83e 712 #define MSR_APIC_SELF_IPI 0x83f 713 714 #define MSR_IA32_XSS 0xda0 715 716 /* 717 * Intel Processor Trace (PT) MSRs. 718 */ 719 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560 /* Trace Output Base Register (R/W) */ 720 #define MSR_IA32_RTIT_OUTPUT_MASK_PTRS 0x561 /* Trace Output Mask Pointers Register (R/W) */ 721 #define MSR_IA32_RTIT_CTL 0x570 /* Trace Control Register (R/W) */ 722 #define RTIT_CTL_TRACEEN (1 << 0) 723 #define RTIT_CTL_CYCEN (1 << 1) 724 #define RTIT_CTL_OS (1 << 2) 725 #define RTIT_CTL_USER (1 << 3) 726 #define RTIT_CTL_PWREVTEN (1 << 4) 727 #define RTIT_CTL_FUPONPTW (1 << 5) 728 #define RTIT_CTL_FABRICEN (1 << 6) 729 #define RTIT_CTL_CR3FILTER (1 << 7) 730 #define RTIT_CTL_TOPA (1 << 8) 731 #define RTIT_CTL_MTCEN (1 << 9) 732 #define RTIT_CTL_TSCEN (1 << 10) 733 #define RTIT_CTL_DISRETC (1 << 11) 734 #define RTIT_CTL_PTWEN (1 << 12) 735 #define RTIT_CTL_BRANCHEN (1 << 13) 736 #define RTIT_CTL_MTC_FREQ_S 14 737 #define RTIT_CTL_MTC_FREQ(n) ((n) << RTIT_CTL_MTC_FREQ_S) 738 #define RTIT_CTL_MTC_FREQ_M (0xf << RTIT_CTL_MTC_FREQ_S) 739 #define RTIT_CTL_CYC_THRESH_S 19 740 #define RTIT_CTL_CYC_THRESH_M (0xf << RTIT_CTL_CYC_THRESH_S) 741 #define RTIT_CTL_PSB_FREQ_S 24 742 #define RTIT_CTL_PSB_FREQ_M (0xf << RTIT_CTL_PSB_FREQ_S) 743 #define RTIT_CTL_ADDR_CFG_S(n) (32 + (n) * 4) 744 #define RTIT_CTL_ADDR0_CFG_S 32 745 #define RTIT_CTL_ADDR0_CFG_M (0xfULL << RTIT_CTL_ADDR0_CFG_S) 746 #define RTIT_CTL_ADDR1_CFG_S 36 747 #define RTIT_CTL_ADDR1_CFG_M (0xfULL << RTIT_CTL_ADDR1_CFG_S) 748 #define RTIT_CTL_ADDR2_CFG_S 40 749 #define RTIT_CTL_ADDR2_CFG_M (0xfULL << RTIT_CTL_ADDR2_CFG_S) 750 #define RTIT_CTL_ADDR3_CFG_S 44 751 #define RTIT_CTL_ADDR3_CFG_M (0xfULL << RTIT_CTL_ADDR3_CFG_S) 752 #define MSR_IA32_RTIT_STATUS 0x571 /* Tracing Status Register (R/W) */ 753 #define RTIT_STATUS_FILTEREN (1 << 0) 754 #define RTIT_STATUS_CONTEXTEN (1 << 1) 755 #define RTIT_STATUS_TRIGGEREN (1 << 2) 756 #define RTIT_STATUS_ERROR (1 << 4) 757 #define RTIT_STATUS_STOPPED (1 << 5) 758 #define RTIT_STATUS_PACKETBYTECNT_S 32 759 #define RTIT_STATUS_PACKETBYTECNT_M (0x1ffffULL << RTIT_STATUS_PACKETBYTECNT_S) 760 #define MSR_IA32_RTIT_CR3_MATCH 0x572 /* Trace Filter CR3 Match Register (R/W) */ 761 #define MSR_IA32_RTIT_ADDR_A(n) (0x580 + (n) * 2) 762 #define MSR_IA32_RTIT_ADDR_B(n) (0x581 + (n) * 2) 763 #define MSR_IA32_RTIT_ADDR0_A 0x580 /* Region 0 Start Address (R/W) */ 764 #define MSR_IA32_RTIT_ADDR0_B 0x581 /* Region 0 End Address (R/W) */ 765 #define MSR_IA32_RTIT_ADDR1_A 0x582 /* Region 1 Start Address (R/W) */ 766 #define MSR_IA32_RTIT_ADDR1_B 0x583 /* Region 1 End Address (R/W) */ 767 #define MSR_IA32_RTIT_ADDR2_A 0x584 /* Region 2 Start Address (R/W) */ 768 #define MSR_IA32_RTIT_ADDR2_B 0x585 /* Region 2 End Address (R/W) */ 769 #define MSR_IA32_RTIT_ADDR3_A 0x586 /* Region 3 Start Address (R/W) */ 770 #define MSR_IA32_RTIT_ADDR3_B 0x587 /* Region 3 End Address (R/W) */ 771 772 /* Intel Processor Trace Table of Physical Addresses (ToPA). */ 773 #define TOPA_SIZE_S 6 774 #define TOPA_SIZE_M (0xf << TOPA_SIZE_S) 775 #define TOPA_SIZE_4K (0 << TOPA_SIZE_S) 776 #define TOPA_SIZE_8K (1 << TOPA_SIZE_S) 777 #define TOPA_SIZE_16K (2 << TOPA_SIZE_S) 778 #define TOPA_SIZE_32K (3 << TOPA_SIZE_S) 779 #define TOPA_SIZE_64K (4 << TOPA_SIZE_S) 780 #define TOPA_SIZE_128K (5 << TOPA_SIZE_S) 781 #define TOPA_SIZE_256K (6 << TOPA_SIZE_S) 782 #define TOPA_SIZE_512K (7 << TOPA_SIZE_S) 783 #define TOPA_SIZE_1M (8 << TOPA_SIZE_S) 784 #define TOPA_SIZE_2M (9 << TOPA_SIZE_S) 785 #define TOPA_SIZE_4M (10 << TOPA_SIZE_S) 786 #define TOPA_SIZE_8M (11 << TOPA_SIZE_S) 787 #define TOPA_SIZE_16M (12 << TOPA_SIZE_S) 788 #define TOPA_SIZE_32M (13 << TOPA_SIZE_S) 789 #define TOPA_SIZE_64M (14 << TOPA_SIZE_S) 790 #define TOPA_SIZE_128M (15 << TOPA_SIZE_S) 791 #define TOPA_STOP (1 << 4) 792 #define TOPA_INT (1 << 2) 793 #define TOPA_END (1 << 0) 794 795 /* 796 * Intel Hardware Feedback Interface / Thread Director MSRs 797 */ 798 #define MSR_IA32_HW_FEEDBACK_PTR 0x17d0 799 #define MSR_IA32_HW_FEEDBACK_CONFIG 0x17d1 800 #define MSR_IA32_THREAD_FEEDBACK_CHAR 0x17d2 801 #define MSR_IA32_HW_FEEDBACK_THREAD_CONFIG 0x17d4 802 803 /* 804 * Constants related to MSR's. 805 */ 806 #define APICBASE_RESERVED 0x000002ff 807 #define APICBASE_BSP 0x00000100 808 #define APICBASE_X2APIC 0x00000400 809 #define APICBASE_ENABLED 0x00000800 810 #define APICBASE_ADDRESS 0xfffff000 811 812 /* MSR_IA32_FEATURE_CONTROL related */ 813 #define IA32_FEATURE_CONTROL_LOCK 0x01 /* lock bit */ 814 #define IA32_FEATURE_CONTROL_SMX_EN 0x02 /* enable VMX inside SMX */ 815 #define IA32_FEATURE_CONTROL_VMX_EN 0x04 /* enable VMX outside SMX */ 816 #define IA32_FEATURE_CONTROL_LMCE_EN 0x100000 /* enable local MCE */ 817 818 /* MSR IA32_MISC_ENABLE */ 819 #define IA32_MISC_EN_FASTSTR 0x0000000000000001ULL 820 #define IA32_MISC_EN_ATCCE 0x0000000000000008ULL 821 #define IA32_MISC_EN_PERFMON 0x0000000000000080ULL 822 #define IA32_MISC_EN_PEBSU 0x0000000000001000ULL 823 #define IA32_MISC_EN_ESSTE 0x0000000000010000ULL 824 #define IA32_MISC_EN_MONE 0x0000000000040000ULL 825 #define IA32_MISC_EN_LIMCPUID 0x0000000000400000ULL 826 #define IA32_MISC_EN_xTPRD 0x0000000000800000ULL 827 #define IA32_MISC_EN_XDD 0x0000000400000000ULL 828 829 /* 830 * IA32_SPEC_CTRL and IA32_PRED_CMD MSRs are described in the Intel' 831 * document 336996-001 Speculative Execution Side Channel Mitigations. 832 * 833 * AMD uses the same MSRs and bit definitions, as described in 111006-B 834 * "Indirect Branch Control Extension" and 124441 "Speculative Store Bypass 835 * Disable." 836 */ 837 /* MSR IA32_SPEC_CTRL */ 838 #define IA32_SPEC_CTRL_IBRS 0x00000001 839 #define IA32_SPEC_CTRL_STIBP 0x00000002 840 #define IA32_SPEC_CTRL_SSBD 0x00000004 841 842 /* MSR IA32_PRED_CMD */ 843 #define IA32_PRED_CMD_IBPB_BARRIER 0x0000000000000001ULL 844 845 /* MSR IA32_FLUSH_CMD */ 846 #define IA32_FLUSH_CMD_L1D 0x00000001 847 848 /* MSR IA32_MCU_OPT_CTRL */ 849 #define IA32_RNGDS_MITG_DIS 0x00000001 850 851 /* MSR IA32_HWP_CAPABILITIES */ 852 #define IA32_HWP_CAPABILITIES_HIGHEST_PERFORMANCE(x) (((x) >> 0) & 0xff) 853 #define IA32_HWP_CAPABILITIES_GUARANTEED_PERFORMANCE(x) (((x) >> 8) & 0xff) 854 #define IA32_HWP_CAPABILITIES_EFFICIENT_PERFORMANCE(x) (((x) >> 16) & 0xff) 855 #define IA32_HWP_CAPABILITIES_LOWEST_PERFORMANCE(x) (((x) >> 24) & 0xff) 856 857 /* MSR IA32_HWP_REQUEST */ 858 #define IA32_HWP_REQUEST_MINIMUM_VALID (1ULL << 63) 859 #define IA32_HWP_REQUEST_MAXIMUM_VALID (1ULL << 62) 860 #define IA32_HWP_REQUEST_DESIRED_VALID (1ULL << 61) 861 #define IA32_HWP_REQUEST_EPP_VALID (1ULL << 60) 862 #define IA32_HWP_REQUEST_ACTIVITY_WINDOW_VALID (1ULL << 59) 863 #define IA32_HWP_REQUEST_PACKAGE_CONTROL (1ULL << 42) 864 #define IA32_HWP_ACTIVITY_WINDOW (0x3ffULL << 32) 865 #define IA32_HWP_REQUEST_ENERGY_PERFORMANCE_PREFERENCE (0xffULL << 24) 866 #define IA32_HWP_DESIRED_PERFORMANCE (0xffULL << 16) 867 #define IA32_HWP_REQUEST_MAXIMUM_PERFORMANCE (0xffULL << 8) 868 #define IA32_HWP_MINIMUM_PERFORMANCE (0xffULL << 0) 869 870 /* MSR IA32_ENERGY_PERF_BIAS */ 871 #define IA32_ENERGY_PERF_BIAS_POLICY_HINT_MASK (0xfULL << 0) 872 873 /* MSR IA32_HW_FEEDBACK_PTR */ 874 #define IA32_HW_FEEDBACK_PTR_ENABLE (0x1ULL << 0) 875 876 /* MSR IA32_HW_FEEDBACK_CONFIG */ 877 #define IA32_HW_FEEDBACK_CONFIG_EN_HFI (0x1ULL << 0) 878 #define IA32_HW_FEEDBACK_CONFIG_EN_THDIR (0x1ULL << 1) 879 880 /* MSR IA32_PKG_THERM_STATUS */ 881 #define IA32_PKG_THERM_STATUS_HFI_UPDATED (0x1ULL << 26) 882 883 /* MSR IA32_PKG_THERM_INTERRUPT */ 884 #define IA32_PKG_THERM_INTERRUPT_HFI_ENABLE (0x1ULL << 25) 885 886 /* 887 * PAT modes. 888 */ 889 #define PAT_UNCACHEABLE 0x00 890 #define PAT_WRITE_COMBINING 0x01 891 #define PAT_WRITE_THROUGH 0x04 892 #define PAT_WRITE_PROTECTED 0x05 893 #define PAT_WRITE_BACK 0x06 894 #define PAT_UNCACHED 0x07 895 #define PAT_VALUE(i, m) ((long long)(m) << (8 * (i))) 896 #define PAT_MASK(i) PAT_VALUE(i, 0xff) 897 898 /* 899 * Constants related to MTRRs 900 */ 901 #define MTRR_UNCACHEABLE 0x00 902 #define MTRR_WRITE_COMBINING 0x01 903 #define MTRR_WRITE_THROUGH 0x04 904 #define MTRR_WRITE_PROTECTED 0x05 905 #define MTRR_WRITE_BACK 0x06 906 #define MTRR_N64K 8 /* numbers of fixed-size entries */ 907 #define MTRR_N16K 16 908 #define MTRR_N4K 64 909 #define MTRR_CAP_WC 0x0000000000000400 910 #define MTRR_CAP_FIXED 0x0000000000000100 911 #define MTRR_CAP_VCNT 0x00000000000000ff 912 #define MTRR_DEF_ENABLE 0x0000000000000800 913 #define MTRR_DEF_FIXED_ENABLE 0x0000000000000400 914 #define MTRR_DEF_TYPE 0x00000000000000ff 915 #define MTRR_PHYSBASE_PHYSBASE 0x000ffffffffff000 916 #define MTRR_PHYSBASE_TYPE 0x00000000000000ff 917 #define MTRR_PHYSMASK_PHYSMASK 0x000ffffffffff000 918 #define MTRR_PHYSMASK_VALID 0x0000000000000800 919 920 /* 921 * Cyrix configuration registers, accessible as IO ports. 922 */ 923 #define CCR0 0xc0 /* Configuration control register 0 */ 924 #define CCR0_NC0 0x01 /* First 64K of each 1M memory region is 925 non-cacheable */ 926 #define CCR0_NC1 0x02 /* 640K-1M region is non-cacheable */ 927 #define CCR0_A20M 0x04 /* Enables A20M# input pin */ 928 #define CCR0_KEN 0x08 /* Enables KEN# input pin */ 929 #define CCR0_FLUSH 0x10 /* Enables FLUSH# input pin */ 930 #define CCR0_BARB 0x20 /* Flushes internal cache when entering hold 931 state */ 932 #define CCR0_CO 0x40 /* Cache org: 1=direct mapped, 0=2x set 933 assoc */ 934 #define CCR0_SUSPEND 0x80 /* Enables SUSP# and SUSPA# pins */ 935 936 #define CCR1 0xc1 /* Configuration control register 1 */ 937 #define CCR1_RPL 0x01 /* Enables RPLSET and RPLVAL# pins */ 938 #define CCR1_SMI 0x02 /* Enables SMM pins */ 939 #define CCR1_SMAC 0x04 /* System management memory access */ 940 #define CCR1_MMAC 0x08 /* Main memory access */ 941 #define CCR1_NO_LOCK 0x10 /* Negate LOCK# */ 942 #define CCR1_SM3 0x80 /* SMM address space address region 3 */ 943 944 #define CCR2 0xc2 945 #define CCR2_WB 0x02 /* Enables WB cache interface pins */ 946 #define CCR2_SADS 0x02 /* Slow ADS */ 947 #define CCR2_LOCK_NW 0x04 /* LOCK NW Bit */ 948 #define CCR2_SUSP_HLT 0x08 /* Suspend on HALT */ 949 #define CCR2_WT1 0x10 /* WT region 1 */ 950 #define CCR2_WPR1 0x10 /* Write-protect region 1 */ 951 #define CCR2_BARB 0x20 /* Flushes write-back cache when entering 952 hold state. */ 953 #define CCR2_BWRT 0x40 /* Enables burst write cycles */ 954 #define CCR2_USE_SUSP 0x80 /* Enables suspend pins */ 955 956 #define CCR3 0xc3 957 #define CCR3_SMILOCK 0x01 /* SMM register lock */ 958 #define CCR3_NMI 0x02 /* Enables NMI during SMM */ 959 #define CCR3_LINBRST 0x04 /* Linear address burst cycles */ 960 #define CCR3_SMMMODE 0x08 /* SMM Mode */ 961 #define CCR3_MAPEN0 0x10 /* Enables Map0 */ 962 #define CCR3_MAPEN1 0x20 /* Enables Map1 */ 963 #define CCR3_MAPEN2 0x40 /* Enables Map2 */ 964 #define CCR3_MAPEN3 0x80 /* Enables Map3 */ 965 966 #define CCR4 0xe8 967 #define CCR4_IOMASK 0x07 968 #define CCR4_MEM 0x08 /* Enables memory bypassing */ 969 #define CCR4_DTE 0x10 /* Enables directory table entry cache */ 970 #define CCR4_FASTFPE 0x20 /* Fast FPU exception */ 971 #define CCR4_CPUID 0x80 /* Enables CPUID instruction */ 972 973 #define CCR5 0xe9 974 #define CCR5_WT_ALLOC 0x01 /* Write-through allocate */ 975 #define CCR5_SLOP 0x02 /* LOOP instruction slowed down */ 976 #define CCR5_LBR1 0x10 /* Local bus region 1 */ 977 #define CCR5_ARREN 0x20 /* Enables ARR region */ 978 979 #define CCR6 0xea 980 981 #define CCR7 0xeb 982 983 /* Performance Control Register (5x86 only). */ 984 #define PCR0 0x20 985 #define PCR0_RSTK 0x01 /* Enables return stack */ 986 #define PCR0_BTB 0x02 /* Enables branch target buffer */ 987 #define PCR0_LOOP 0x04 /* Enables loop */ 988 #define PCR0_AIS 0x08 /* Enables all instructions stalled to 989 serialize pipe. */ 990 #define PCR0_MLR 0x10 /* Enables reordering of misaligned loads */ 991 #define PCR0_BTBRT 0x40 /* Enables BTB test register. */ 992 #define PCR0_LSSER 0x80 /* Disable reorder */ 993 994 /* Device Identification Registers */ 995 #define DIR0 0xfe 996 #define DIR1 0xff 997 998 /* 999 * Machine Check register constants. 1000 */ 1001 #define MCG_CAP_COUNT 0x000000ff 1002 #define MCG_CAP_CTL_P 0x00000100 1003 #define MCG_CAP_EXT_P 0x00000200 1004 #define MCG_CAP_CMCI_P 0x00000400 1005 #define MCG_CAP_TES_P 0x00000800 1006 #define MCG_CAP_EXT_CNT 0x00ff0000 1007 #define MCG_CAP_SER_P 0x01000000 1008 #define MCG_CAP_EMC_P 0x02000000 1009 #define MCG_CAP_ELOG_P 0x04000000 1010 #define MCG_CAP_LMCE_P 0x08000000 1011 #define MCG_STATUS_RIPV 0x00000001 1012 #define MCG_STATUS_EIPV 0x00000002 1013 #define MCG_STATUS_MCIP 0x00000004 1014 #define MCG_STATUS_LMCS 0x00000008 /* if MCG_CAP_LMCE_P */ 1015 #define MCG_CTL_ENABLE 0xffffffffffffffff 1016 #define MCG_CTL_DISABLE 0x0000000000000000 1017 #define MSR_MC_CTL(x) (MSR_MC0_CTL + (x) * 4) 1018 #define MSR_MC_STATUS(x) (MSR_MC0_STATUS + (x) * 4) 1019 #define MSR_MC_ADDR(x) (MSR_MC0_ADDR + (x) * 4) 1020 #define MSR_MC_MISC(x) (MSR_MC0_MISC + (x) * 4) 1021 #define MSR_MC_CTL2(x) (MSR_MC0_CTL2 + (x)) /* If MCG_CAP_CMCI_P */ 1022 #define MC_STATUS_MCA_ERROR 0x000000000000ffff 1023 #define MC_STATUS_MODEL_ERROR 0x00000000ffff0000 1024 #define MC_STATUS_OTHER_INFO 0x01ffffff00000000 1025 #define MC_STATUS_COR_COUNT 0x001fffc000000000 /* If MCG_CAP_CMCI_P */ 1026 #define MC_STATUS_TES_STATUS 0x0060000000000000 /* If MCG_CAP_TES_P */ 1027 #define MC_STATUS_AR 0x0080000000000000 /* If MCG_CAP_TES_P */ 1028 #define MC_STATUS_S 0x0100000000000000 /* If MCG_CAP_TES_P */ 1029 #define MC_STATUS_PCC 0x0200000000000000 1030 #define MC_STATUS_ADDRV 0x0400000000000000 1031 #define MC_STATUS_MISCV 0x0800000000000000 1032 #define MC_STATUS_EN 0x1000000000000000 1033 #define MC_STATUS_UC 0x2000000000000000 1034 #define MC_STATUS_OVER 0x4000000000000000 1035 #define MC_STATUS_VAL 0x8000000000000000 1036 #define MC_MISC_RA_LSB 0x000000000000003f /* If MCG_CAP_SER_P */ 1037 #define MC_MISC_ADDRESS_MODE 0x00000000000001c0 /* If MCG_CAP_SER_P */ 1038 #define MC_MISC_PCIE_RID 0x00000000ffff0000 1039 #define MC_MISC_PCIE_FUNC 0x0000000000070000 1040 #define MC_MISC_PCIE_SLOT 0x0000000000f80000 1041 #define MC_MISC_PCIE_BUS 0x00000000ff000000 1042 #define MC_MISC_PCIE_SEG 0x000000ff00000000 1043 #define MC_CTL2_THRESHOLD 0x0000000000007fff 1044 #define MC_CTL2_CMCI_EN 0x0000000040000000 1045 #define MC_AMDNB_BANK 4 1046 #define MC_MISC_AMD_VAL 0x8000000000000000 /* Counter presence valid */ 1047 #define MC_MISC_AMD_CNTP 0x4000000000000000 /* Counter present */ 1048 #define MC_MISC_AMD_LOCK 0x2000000000000000 /* Register locked */ 1049 #define MC_MISC_AMD_INTP 0x1000000000000000 /* Int. type can generate interrupts */ 1050 #define MC_MISC_AMD_LVT_MASK 0x00f0000000000000 /* Extended LVT offset */ 1051 #define MC_MISC_AMD_LVT_SHIFT 52 1052 #define MC_MISC_AMD_CNTEN 0x0008000000000000 /* Counter enabled */ 1053 #define MC_MISC_AMD_INT_MASK 0x0006000000000000 /* Interrupt type */ 1054 #define MC_MISC_AMD_INT_LVT 0x0002000000000000 /* Interrupt via Extended LVT */ 1055 #define MC_MISC_AMD_INT_SMI 0x0004000000000000 /* SMI */ 1056 #define MC_MISC_AMD_OVERFLOW 0x0001000000000000 /* Counter overflow */ 1057 #define MC_MISC_AMD_CNT_MASK 0x00000fff00000000 /* Counter value */ 1058 #define MC_MISC_AMD_CNT_SHIFT 32 1059 #define MC_MISC_AMD_CNT_MAX 0xfff 1060 #define MC_MISC_AMD_PTR_MASK 0x00000000ff000000 /* Pointer to additional registers */ 1061 #define MC_MISC_AMD_PTR_SHIFT 24 1062 1063 /* AMD Scalable MCA */ 1064 #define MSR_SMCA_MC0_CTL 0xc0002000 1065 #define MSR_SMCA_MC0_STATUS 0xc0002001 1066 #define MSR_SMCA_MC0_ADDR 0xc0002002 1067 #define MSR_SMCA_MC0_MISC0 0xc0002003 1068 #define MSR_SMCA_MC_CTL(x) (MSR_SMCA_MC0_CTL + 0x10 * (x)) 1069 #define MSR_SMCA_MC_STATUS(x) (MSR_SMCA_MC0_STATUS + 0x10 * (x)) 1070 #define MSR_SMCA_MC_ADDR(x) (MSR_SMCA_MC0_ADDR + 0x10 * (x)) 1071 #define MSR_SMCA_MC_MISC(x) (MSR_SMCA_MC0_MISC0 + 0x10 * (x)) 1072 1073 /* 1074 * The following four 3-byte registers control the non-cacheable regions. 1075 * These registers must be written as three separate bytes. 1076 * 1077 * NCRx+0: A31-A24 of starting address 1078 * NCRx+1: A23-A16 of starting address 1079 * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx. 1080 * 1081 * The non-cacheable region's starting address must be aligned to the 1082 * size indicated by the NCR_SIZE_xx field. 1083 */ 1084 #define NCR1 0xc4 1085 #define NCR2 0xc7 1086 #define NCR3 0xca 1087 #define NCR4 0xcd 1088 1089 #define NCR_SIZE_0K 0 1090 #define NCR_SIZE_4K 1 1091 #define NCR_SIZE_8K 2 1092 #define NCR_SIZE_16K 3 1093 #define NCR_SIZE_32K 4 1094 #define NCR_SIZE_64K 5 1095 #define NCR_SIZE_128K 6 1096 #define NCR_SIZE_256K 7 1097 #define NCR_SIZE_512K 8 1098 #define NCR_SIZE_1M 9 1099 #define NCR_SIZE_2M 10 1100 #define NCR_SIZE_4M 11 1101 #define NCR_SIZE_8M 12 1102 #define NCR_SIZE_16M 13 1103 #define NCR_SIZE_32M 14 1104 #define NCR_SIZE_4G 15 1105 1106 /* 1107 * The address region registers are used to specify the location and 1108 * size for the eight address regions. 1109 * 1110 * ARRx + 0: A31-A24 of start address 1111 * ARRx + 1: A23-A16 of start address 1112 * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx 1113 */ 1114 #define ARR0 0xc4 1115 #define ARR1 0xc7 1116 #define ARR2 0xca 1117 #define ARR3 0xcd 1118 #define ARR4 0xd0 1119 #define ARR5 0xd3 1120 #define ARR6 0xd6 1121 #define ARR7 0xd9 1122 1123 #define ARR_SIZE_0K 0 1124 #define ARR_SIZE_4K 1 1125 #define ARR_SIZE_8K 2 1126 #define ARR_SIZE_16K 3 1127 #define ARR_SIZE_32K 4 1128 #define ARR_SIZE_64K 5 1129 #define ARR_SIZE_128K 6 1130 #define ARR_SIZE_256K 7 1131 #define ARR_SIZE_512K 8 1132 #define ARR_SIZE_1M 9 1133 #define ARR_SIZE_2M 10 1134 #define ARR_SIZE_4M 11 1135 #define ARR_SIZE_8M 12 1136 #define ARR_SIZE_16M 13 1137 #define ARR_SIZE_32M 14 1138 #define ARR_SIZE_4G 15 1139 1140 /* 1141 * The region control registers specify the attributes associated with 1142 * the ARRx address regions. 1143 */ 1144 #define RCR0 0xdc 1145 #define RCR1 0xdd 1146 #define RCR2 0xde 1147 #define RCR3 0xdf 1148 #define RCR4 0xe0 1149 #define RCR5 0xe1 1150 #define RCR6 0xe2 1151 #define RCR7 0xe3 1152 1153 #define RCR_RCD 0x01 /* Disables caching for ARRx (x = 0-6). */ 1154 #define RCR_RCE 0x01 /* Enables caching for ARR7. */ 1155 #define RCR_WWO 0x02 /* Weak write ordering. */ 1156 #define RCR_WL 0x04 /* Weak locking. */ 1157 #define RCR_WG 0x08 /* Write gathering. */ 1158 #define RCR_WT 0x10 /* Write-through. */ 1159 #define RCR_NLB 0x20 /* LBA# pin is not asserted. */ 1160 1161 /* AMD Write Allocate Top-Of-Memory and Control Register */ 1162 #define AMD_WT_ALLOC_TME 0x40000 /* top-of-memory enable */ 1163 #define AMD_WT_ALLOC_PRE 0x20000 /* programmable range enable */ 1164 #define AMD_WT_ALLOC_FRE 0x10000 /* fixed (A0000-FFFFF) range enable */ 1165 1166 /* AMD64 MSR's */ 1167 #define MSR_EFER 0xc0000080 /* extended features */ 1168 #define MSR_STAR 0xc0000081 /* legacy mode SYSCALL target/cs/ss */ 1169 #define MSR_LSTAR 0xc0000082 /* long mode SYSCALL target rip */ 1170 #define MSR_CSTAR 0xc0000083 /* compat mode SYSCALL target rip */ 1171 #define MSR_SF_MASK 0xc0000084 /* syscall flags mask */ 1172 #define MSR_FSBASE 0xc0000100 /* base address of the %fs "segment" */ 1173 #define MSR_GSBASE 0xc0000101 /* base address of the %gs "segment" */ 1174 #define MSR_KGSBASE 0xc0000102 /* base address of the kernel %gs */ 1175 #define MSR_TSC_AUX 0xc0000103 1176 #define MSR_PERFEVSEL0 0xc0010000 1177 #define MSR_PERFEVSEL1 0xc0010001 1178 #define MSR_PERFEVSEL2 0xc0010002 1179 #define MSR_PERFEVSEL3 0xc0010003 1180 #define MSR_K7_PERFCTR0 0xc0010004 1181 #define MSR_K7_PERFCTR1 0xc0010005 1182 #define MSR_K7_PERFCTR2 0xc0010006 1183 #define MSR_K7_PERFCTR3 0xc0010007 1184 #define MSR_SYSCFG 0xc0010010 1185 #define MSR_HWCR 0xc0010015 1186 #define MSR_IORRBASE0 0xc0010016 1187 #define MSR_IORRMASK0 0xc0010017 1188 #define MSR_IORRBASE1 0xc0010018 1189 #define MSR_IORRMASK1 0xc0010019 1190 #define MSR_TOP_MEM 0xc001001a /* boundary for ram below 4G */ 1191 #define MSR_TOP_MEM2 0xc001001d /* boundary for ram above 4G */ 1192 #define MSR_NB_CFG1 0xc001001f /* NB configuration 1 */ 1193 #define MSR_K8_UCODE_UPDATE 0xc0010020 /* update microcode */ 1194 #define MSR_MC0_CTL_MASK 0xc0010044 1195 #define MSR_AMDK8_IPM 0xc0010055 1196 #define MSR_P_STATE_LIMIT 0xc0010061 /* P-state Current Limit Register */ 1197 #define MSR_P_STATE_CONTROL 0xc0010062 /* P-state Control Register */ 1198 #define MSR_P_STATE_STATUS 0xc0010063 /* P-state Status Register */ 1199 #define MSR_P_STATE_CONFIG(n) (0xc0010064 + (n)) /* P-state Config */ 1200 #define MSR_SMM_ADDR 0xc0010112 /* SMM TSEG base address */ 1201 #define MSR_SMM_MASK 0xc0010113 /* SMM TSEG address mask */ 1202 #define MSR_VM_CR 0xc0010114 /* SVM: feature control */ 1203 #define MSR_VM_HSAVE_PA 0xc0010117 /* SVM: host save area address */ 1204 #define MSR_AMD_CPUID07 0xc0011002 /* CPUID 07 %ebx override */ 1205 #define MSR_EXTFEATURES 0xc0011005 /* Extended CPUID Features override */ 1206 #define MSR_LS_CFG 0xc0011020 1207 #define MSR_IC_CFG 0xc0011021 /* Instruction Cache Configuration */ 1208 #define MSR_DE_CFG 0xc0011029 /* Decode Configuration */ 1209 1210 /* MSR_AMDK8_IPM */ 1211 #define AMDK8_SMIONCMPHALT (1ULL << 27) 1212 #define AMDK8_C1EONCMPHALT (1ULL << 28) 1213 1214 /* MSR_VM_CR related */ 1215 #define VM_CR_SVMDIS 0x10 /* SVM: disabled by BIOS */ 1216 1217 /* MSR_DE_CFG */ 1218 #define DE_CFG_10H_12H_STACK_POINTER_JUMP_FIX_BIT 0x1 1219 #define DE_CFG_ZEN_LOAD_STALE_DATA_FIX_BIT 0x2000 1220 #define DE_CFG_ZEN2_FP_BACKUP_FIX_BIT 0x200 1221 1222 /* VIA ACE crypto featureset: for via_feature_rng */ 1223 #define VIA_HAS_RNG 1 /* cpu has RNG */ 1224 1225 /* VIA ACE crypto featureset: for via_feature_xcrypt */ 1226 #define VIA_HAS_AES 1 /* cpu has AES */ 1227 #define VIA_HAS_SHA 2 /* cpu has SHA1 & SHA256 */ 1228 #define VIA_HAS_MM 4 /* cpu has RSA instructions */ 1229 #define VIA_HAS_AESCTR 8 /* cpu has AES-CTR instructions */ 1230 1231 /* Centaur Extended Feature flags */ 1232 #define VIA_CPUID_HAS_RNG 0x000004 1233 #define VIA_CPUID_DO_RNG 0x000008 1234 #define VIA_CPUID_HAS_ACE 0x000040 1235 #define VIA_CPUID_DO_ACE 0x000080 1236 #define VIA_CPUID_HAS_ACE2 0x000100 1237 #define VIA_CPUID_DO_ACE2 0x000200 1238 #define VIA_CPUID_HAS_PHE 0x000400 1239 #define VIA_CPUID_DO_PHE 0x000800 1240 #define VIA_CPUID_HAS_PMM 0x001000 1241 #define VIA_CPUID_DO_PMM 0x002000 1242 1243 /* VIA ACE xcrypt-* instruction context control options */ 1244 #define VIA_CRYPT_CWLO_ROUND_M 0x0000000f 1245 #define VIA_CRYPT_CWLO_ALG_M 0x00000070 1246 #define VIA_CRYPT_CWLO_ALG_AES 0x00000000 1247 #define VIA_CRYPT_CWLO_KEYGEN_M 0x00000080 1248 #define VIA_CRYPT_CWLO_KEYGEN_HW 0x00000000 1249 #define VIA_CRYPT_CWLO_KEYGEN_SW 0x00000080 1250 #define VIA_CRYPT_CWLO_NORMAL 0x00000000 1251 #define VIA_CRYPT_CWLO_INTERMEDIATE 0x00000100 1252 #define VIA_CRYPT_CWLO_ENCRYPT 0x00000000 1253 #define VIA_CRYPT_CWLO_DECRYPT 0x00000200 1254 #define VIA_CRYPT_CWLO_KEY128 0x0000000a /* 128bit, 10 rds */ 1255 #define VIA_CRYPT_CWLO_KEY192 0x0000040c /* 192bit, 12 rds */ 1256 #define VIA_CRYPT_CWLO_KEY256 0x0000080e /* 256bit, 15 rds */ 1257 1258 #endif /* !_MACHINE_SPECIALREG_H_ */ 1259