Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/x86/include/specialreg.h
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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 * from: @(#)specialreg.h 7.1 (Berkeley) 5/9/91 32 * $FreeBSD$ 33 */ 34 35 #ifndef _MACHINE_SPECIALREG_H_ 36 #define _MACHINE_SPECIALREG_H_ 37 38 /* 39 * Bits in 386 special registers: 40 */ 41 #define CR0_PE 0x00000001 /* Protected mode Enable */ 42 #define CR0_MP 0x00000002 /* "Math" (fpu) Present */ 43 #define CR0_EM 0x00000004 /* EMulate FPU instructions. (trap ESC only) */ 44 #define CR0_TS 0x00000008 /* Task Switched (if MP, trap ESC and WAIT) */ 45 #define CR0_PG 0x80000000 /* PaGing enable */ 46 47 /* 48 * Bits in 486 special registers: 49 */ 50 #define CR0_NE 0x00000020 /* Numeric Error enable (EX16 vs IRQ13) */ 51 #define CR0_WP 0x00010000 /* Write Protect (honor page protect in 52 all modes) */ 53 #define CR0_AM 0x00040000 /* Alignment Mask (set to enable AC flag) */ 54 #define CR0_NW 0x20000000 /* Not Write-through */ 55 #define CR0_CD 0x40000000 /* Cache Disable */ 56 57 #define CR3_PCID_SAVE 0x8000000000000000 58 #define CR3_PCID_MASK 0xfff 59 60 /* 61 * Bits in PPro special registers 62 */ 63 #define CR4_VME 0x00000001 /* Virtual 8086 mode extensions */ 64 #define CR4_PVI 0x00000002 /* Protected-mode virtual interrupts */ 65 #define CR4_TSD 0x00000004 /* Time stamp disable */ 66 #define CR4_DE 0x00000008 /* Debugging extensions */ 67 #define CR4_PSE 0x00000010 /* Page size extensions */ 68 #define CR4_PAE 0x00000020 /* Physical address extension */ 69 #define CR4_MCE 0x00000040 /* Machine check enable */ 70 #define CR4_PGE 0x00000080 /* Page global enable */ 71 #define CR4_PCE 0x00000100 /* Performance monitoring counter enable */ 72 #define CR4_FXSR 0x00000200 /* Fast FPU save/restore used by OS */ 73 #define CR4_XMM 0x00000400 /* enable SIMD/MMX2 to use except 16 */ 74 #define CR4_UMIP 0x00000800 /* User Mode Instruction Prevention */ 75 #define CR4_LA57 0x00001000 /* Enable 5-level paging */ 76 #define CR4_VMXE 0x00002000 /* enable VMX operation (Intel-specific) */ 77 #define CR4_FSGSBASE 0x00010000 /* Enable FS/GS BASE accessing instructions */ 78 #define CR4_PCIDE 0x00020000 /* Enable Context ID */ 79 #define CR4_XSAVE 0x00040000 /* XSETBV/XGETBV */ 80 #define CR4_SMEP 0x00100000 /* Supervisor-Mode Execution Prevention */ 81 #define CR4_SMAP 0x00200000 /* Supervisor-Mode Access Prevention */ 82 #define CR4_PKE 0x00400000 /* Protection Keys Enable */ 83 84 /* 85 * Bits in AMD64 special registers. EFER is 64 bits wide. 86 */ 87 #define EFER_SCE 0x000000001 /* System Call Extensions (R/W) */ 88 #define EFER_LME 0x000000100 /* Long mode enable (R/W) */ 89 #define EFER_LMA 0x000000400 /* Long mode active (R) */ 90 #define EFER_NXE 0x000000800 /* PTE No-Execute bit enable (R/W) */ 91 #define EFER_SVM 0x000001000 /* SVM enable bit for AMD, reserved for Intel */ 92 #define EFER_LMSLE 0x000002000 /* Long Mode Segment Limit Enable */ 93 #define EFER_FFXSR 0x000004000 /* Fast FXSAVE/FSRSTOR */ 94 #define EFER_TCE 0x000008000 /* Translation Cache Extension */ 95 #define EFER_MCOMMIT 0x00020000 /* Enable MCOMMIT (AMD) */ 96 97 /* 98 * Intel Extended Features registers 99 */ 100 #define XCR0 0 /* XFEATURE_ENABLED_MASK register */ 101 102 #define XFEATURE_ENABLED_X87 0x00000001 103 #define XFEATURE_ENABLED_SSE 0x00000002 104 #define XFEATURE_ENABLED_YMM_HI128 0x00000004 105 #define XFEATURE_ENABLED_AVX XFEATURE_ENABLED_YMM_HI128 106 #define XFEATURE_ENABLED_BNDREGS 0x00000008 107 #define XFEATURE_ENABLED_BNDCSR 0x00000010 108 #define XFEATURE_ENABLED_OPMASK 0x00000020 109 #define XFEATURE_ENABLED_ZMM_HI256 0x00000040 110 #define XFEATURE_ENABLED_HI16_ZMM 0x00000080 111 #define XFEATURE_ENABLED_PKRU 0x00000200 112 #define XFEATURE_ENABLED_TILECONFIG 0x00020000 113 #define XFEATURE_ENABLED_TILEDATA 0x00040000 114 115 #define XFEATURE_AVX \ 116 (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX) 117 #define XFEATURE_AVX512 \ 118 (XFEATURE_ENABLED_OPMASK | XFEATURE_ENABLED_ZMM_HI256 | \ 119 XFEATURE_ENABLED_HI16_ZMM) 120 #define XFEATURE_MPX \ 121 (XFEATURE_ENABLED_BNDREGS | XFEATURE_ENABLED_BNDCSR) 122 123 /* 124 * CPUID instruction features register 125 */ 126 #define CPUID_FPU 0x00000001 127 #define CPUID_VME 0x00000002 128 #define CPUID_DE 0x00000004 129 #define CPUID_PSE 0x00000008 130 #define CPUID_TSC 0x00000010 131 #define CPUID_MSR 0x00000020 132 #define CPUID_PAE 0x00000040 133 #define CPUID_MCE 0x00000080 134 #define CPUID_CX8 0x00000100 135 #define CPUID_APIC 0x00000200 136 #define CPUID_B10 0x00000400 137 #define CPUID_SEP 0x00000800 138 #define CPUID_MTRR 0x00001000 139 #define CPUID_PGE 0x00002000 140 #define CPUID_MCA 0x00004000 141 #define CPUID_CMOV 0x00008000 142 #define CPUID_PAT 0x00010000 143 #define CPUID_PSE36 0x00020000 144 #define CPUID_PSN 0x00040000 145 #define CPUID_CLFSH 0x00080000 146 #define CPUID_B20 0x00100000 147 #define CPUID_DS 0x00200000 148 #define CPUID_ACPI 0x00400000 149 #define CPUID_MMX 0x00800000 150 #define CPUID_FXSR 0x01000000 151 #define CPUID_SSE 0x02000000 152 #define CPUID_XMM 0x02000000 153 #define CPUID_SSE2 0x04000000 154 #define CPUID_SS 0x08000000 155 #define CPUID_HTT 0x10000000 156 #define CPUID_TM 0x20000000 157 #define CPUID_IA64 0x40000000 158 #define CPUID_PBE 0x80000000 159 160 #define CPUID2_SSE3 0x00000001 161 #define CPUID2_PCLMULQDQ 0x00000002 162 #define CPUID2_DTES64 0x00000004 163 #define CPUID2_MON 0x00000008 164 #define CPUID2_DS_CPL 0x00000010 165 #define CPUID2_VMX 0x00000020 166 #define CPUID2_SMX 0x00000040 167 #define CPUID2_EST 0x00000080 168 #define CPUID2_TM2 0x00000100 169 #define CPUID2_SSSE3 0x00000200 170 #define CPUID2_CNXTID 0x00000400 171 #define CPUID2_SDBG 0x00000800 172 #define CPUID2_FMA 0x00001000 173 #define CPUID2_CX16 0x00002000 174 #define CPUID2_XTPR 0x00004000 175 #define CPUID2_PDCM 0x00008000 176 #define CPUID2_PCID 0x00020000 177 #define CPUID2_DCA 0x00040000 178 #define CPUID2_SSE41 0x00080000 179 #define CPUID2_SSE42 0x00100000 180 #define CPUID2_X2APIC 0x00200000 181 #define CPUID2_MOVBE 0x00400000 182 #define CPUID2_POPCNT 0x00800000 183 #define CPUID2_TSCDLT 0x01000000 184 #define CPUID2_AESNI 0x02000000 185 #define CPUID2_XSAVE 0x04000000 186 #define CPUID2_OSXSAVE 0x08000000 187 #define CPUID2_AVX 0x10000000 188 #define CPUID2_F16C 0x20000000 189 #define CPUID2_RDRAND 0x40000000 190 #define CPUID2_HV 0x80000000 191 192 /* Intel Processor Trace CPUID. */ 193 194 /* Leaf 0 ebx. */ 195 #define CPUPT_CR3 (1 << 0) /* CR3 Filtering Support */ 196 #define CPUPT_PSB (1 << 1) /* Configurable PSB and Cycle-Accurate Mode Supported */ 197 #define CPUPT_IPF (1 << 2) /* IP Filtering and TraceStop supported */ 198 #define CPUPT_MTC (1 << 3) /* MTC Supported */ 199 #define CPUPT_PRW (1 << 4) /* PTWRITE Supported */ 200 #define CPUPT_PWR (1 << 5) /* Power Event Trace Supported */ 201 202 /* Leaf 0 ecx. */ 203 #define CPUPT_TOPA (1 << 0) /* ToPA Output Supported */ 204 #define CPUPT_TOPA_MULTI (1 << 1) /* ToPA Tables Allow Multiple Output Entries */ 205 #define CPUPT_SINGLE (1 << 2) /* Single-Range Output Supported */ 206 #define CPUPT_TT_OUT (1 << 3) /* Output to Trace Transport Subsystem Supported */ 207 #define CPUPT_LINEAR_IP (1 << 31) /* IP Payloads are Linear IP, otherwise IP is effective */ 208 209 /* Leaf 1 eax. */ 210 #define CPUPT_NADDR_S 0 /* Number of Address Ranges */ 211 #define CPUPT_NADDR_M (0x7 << CPUPT_NADDR_S) 212 #define CPUPT_MTC_BITMAP_S 16 /* Bitmap of supported MTC Period Encodings */ 213 #define CPUPT_MTC_BITMAP_M (0xffff << CPUPT_MTC_BITMAP_S) 214 215 /* Leaf 1 ebx. */ 216 #define CPUPT_CT_BITMAP_S 0 /* Bitmap of supported Cycle Threshold values */ 217 #define CPUPT_CT_BITMAP_M (0xffff << CPUPT_CT_BITMAP_S) 218 #define CPUPT_PFE_BITMAP_S 16 /* Bitmap of supported Configurable PSB Frequency encoding */ 219 #define CPUPT_PFE_BITMAP_M (0xffff << CPUPT_PFE_BITMAP_S) 220 221 /* 222 * Important bits in the AMD extended cpuid flags 223 */ 224 #define AMDID_SYSCALL 0x00000800 225 #define AMDID_MP 0x00080000 226 #define AMDID_NX 0x00100000 227 #define AMDID_EXT_MMX 0x00400000 228 #define AMDID_FFXSR 0x02000000 229 #define AMDID_PAGE1GB 0x04000000 230 #define AMDID_RDTSCP 0x08000000 231 #define AMDID_LM 0x20000000 232 #define AMDID_EXT_3DNOW 0x40000000 233 #define AMDID_3DNOW 0x80000000 234 235 #define AMDID2_LAHF 0x00000001 236 #define AMDID2_CMP 0x00000002 237 #define AMDID2_SVM 0x00000004 238 #define AMDID2_EXT_APIC 0x00000008 239 #define AMDID2_CR8 0x00000010 240 #define AMDID2_ABM 0x00000020 241 #define AMDID2_SSE4A 0x00000040 242 #define AMDID2_MAS 0x00000080 243 #define AMDID2_PREFETCH 0x00000100 244 #define AMDID2_OSVW 0x00000200 245 #define AMDID2_IBS 0x00000400 246 #define AMDID2_XOP 0x00000800 247 #define AMDID2_SKINIT 0x00001000 248 #define AMDID2_WDT 0x00002000 249 #define AMDID2_LWP 0x00008000 250 #define AMDID2_FMA4 0x00010000 251 #define AMDID2_TCE 0x00020000 252 #define AMDID2_NODE_ID 0x00080000 253 #define AMDID2_TBM 0x00200000 254 #define AMDID2_TOPOLOGY 0x00400000 255 #define AMDID2_PCXC 0x00800000 256 #define AMDID2_PNXC 0x01000000 257 #define AMDID2_DBE 0x04000000 258 #define AMDID2_PTSC 0x08000000 259 #define AMDID2_PTSCEL2I 0x10000000 260 #define AMDID2_MWAITX 0x20000000 261 262 /* 263 * CPUID instruction 1 eax info 264 */ 265 #define CPUID_STEPPING 0x0000000f 266 #define CPUID_MODEL 0x000000f0 267 #define CPUID_FAMILY 0x00000f00 268 #define CPUID_EXT_MODEL 0x000f0000 269 #define CPUID_EXT_FAMILY 0x0ff00000 270 #ifdef __i386__ 271 #define CPUID_TO_MODEL(id) \ 272 ((((id) & CPUID_MODEL) >> 4) | \ 273 ((((id) & CPUID_FAMILY) >= 0x600) ? \ 274 (((id) & CPUID_EXT_MODEL) >> 12) : 0)) 275 #define CPUID_TO_FAMILY(id) \ 276 ((((id) & CPUID_FAMILY) >> 8) + \ 277 ((((id) & CPUID_FAMILY) == 0xf00) ? \ 278 (((id) & CPUID_EXT_FAMILY) >> 20) : 0)) 279 #else 280 #define CPUID_TO_MODEL(id) \ 281 ((((id) & CPUID_MODEL) >> 4) | \ 282 (((id) & CPUID_EXT_MODEL) >> 12)) 283 #define CPUID_TO_FAMILY(id) \ 284 ((((id) & CPUID_FAMILY) >> 8) + \ 285 (((id) & CPUID_EXT_FAMILY) >> 20)) 286 #endif 287 #define CPUID_TO_STEPPING(id) ((id) & CPUID_STEPPING) 288 289 /* 290 * CPUID instruction 1 ebx info 291 */ 292 #define CPUID_BRAND_INDEX 0x000000ff 293 #define CPUID_CLFUSH_SIZE 0x0000ff00 294 #define CPUID_HTT_CORES 0x00ff0000 295 #define CPUID_LOCAL_APIC_ID 0xff000000 296 297 /* 298 * CPUID instruction 5 info 299 */ 300 #define CPUID5_MON_MIN_SIZE 0x0000ffff /* eax */ 301 #define CPUID5_MON_MAX_SIZE 0x0000ffff /* ebx */ 302 #define CPUID5_MON_MWAIT_EXT 0x00000001 /* ecx */ 303 #define CPUID5_MWAIT_INTRBREAK 0x00000002 /* ecx */ 304 305 /* 306 * MWAIT cpu power states. Lower 4 bits are sub-states. 307 */ 308 #define MWAIT_C0 0xf0 309 #define MWAIT_C1 0x00 310 #define MWAIT_C2 0x10 311 #define MWAIT_C3 0x20 312 #define MWAIT_C4 0x30 313 314 /* 315 * MWAIT extensions. 316 */ 317 /* Interrupt breaks MWAIT even when masked. */ 318 #define MWAIT_INTRBREAK 0x00000001 319 320 /* 321 * CPUID leaf 6: Thermal and Power management. 322 */ 323 /* Eax. */ 324 #define CPUTPM1_SENSOR 0x00000001 325 #define CPUTPM1_TURBO 0x00000002 326 #define CPUTPM1_ARAT 0x00000004 327 #define CPUTPM1_PLN 0x00000010 328 #define CPUTPM1_ECMD 0x00000020 329 #define CPUTPM1_PTM 0x00000040 330 #define CPUTPM1_HWP 0x00000080 331 #define CPUTPM1_HWP_NOTIFICATION 0x00000100 332 #define CPUTPM1_HWP_ACTIVITY_WINDOW 0x00000200 333 #define CPUTPM1_HWP_PERF_PREF 0x00000400 334 #define CPUTPM1_HWP_PKG 0x00000800 335 #define CPUTPM1_HDC 0x00002000 336 #define CPUTPM1_TURBO30 0x00004000 337 #define CPUTPM1_HWP_CAPABILITIES 0x00008000 338 #define CPUTPM1_HWP_PECI_OVR 0x00010000 339 #define CPUTPM1_HWP_FLEXIBLE 0x00020000 340 #define CPUTPM1_HWP_FAST_MSR 0x00040000 341 #define CPUTPM1_HWP_IGN_IDLE 0x00100000 342 343 /* Ebx. */ 344 #define CPUTPM_B_NSENSINTTHRESH 0x0000000f 345 346 /* Ecx. */ 347 #define CPUID_PERF_STAT 0x00000001 348 #define CPUID_PERF_BIAS 0x00000008 349 350 /* 351 * CPUID instruction 0xb ebx info. 352 */ 353 #define CPUID_TYPE_INVAL 0 354 #define CPUID_TYPE_SMT 1 355 #define CPUID_TYPE_CORE 2 356 357 /* 358 * CPUID instruction 0xd Processor Extended State Enumeration Sub-leaf 1 359 */ 360 #define CPUID_EXTSTATE_XSAVEOPT 0x00000001 361 #define CPUID_EXTSTATE_XSAVEC 0x00000002 362 #define CPUID_EXTSTATE_XINUSE 0x00000004 363 #define CPUID_EXTSTATE_XSAVES 0x00000008 364 365 /* 366 * AMD extended function 8000_0007h ebx info 367 */ 368 #define AMDRAS_MCA_OF_RECOV 0x00000001 369 #define AMDRAS_SUCCOR 0x00000002 370 #define AMDRAS_HW_ASSERT 0x00000004 371 #define AMDRAS_SCALABLE_MCA 0x00000008 372 #define AMDRAS_PFEH_SUPPORT 0x00000010 373 374 /* 375 * AMD extended function 8000_0007h edx info 376 */ 377 #define AMDPM_TS 0x00000001 378 #define AMDPM_FID 0x00000002 379 #define AMDPM_VID 0x00000004 380 #define AMDPM_TTP 0x00000008 381 #define AMDPM_TM 0x00000010 382 #define AMDPM_STC 0x00000020 383 #define AMDPM_100MHZ_STEPS 0x00000040 384 #define AMDPM_HW_PSTATE 0x00000080 385 #define AMDPM_TSC_INVARIANT 0x00000100 386 #define AMDPM_CPB 0x00000200 387 388 /* 389 * AMD extended function 8000_0008h ebx info (amd_extended_feature_extensions) 390 */ 391 #define AMDFEID_CLZERO 0x00000001 392 #define AMDFEID_IRPERF 0x00000002 393 #define AMDFEID_XSAVEERPTR 0x00000004 394 #define AMDFEID_RDPRU 0x00000010 395 #define AMDFEID_MCOMMIT 0x00000100 396 #define AMDFEID_WBNOINVD 0x00000200 397 #define AMDFEID_IBPB 0x00001000 398 #define AMDFEID_IBRS 0x00004000 399 #define AMDFEID_STIBP 0x00008000 400 /* The below are only defined if the corresponding base feature above exists. */ 401 #define AMDFEID_IBRS_ALWAYSON 0x00010000 402 #define AMDFEID_STIBP_ALWAYSON 0x00020000 403 #define AMDFEID_PREFER_IBRS 0x00040000 404 #define AMDFEID_PPIN 0x00800000 405 #define AMDFEID_SSBD 0x01000000 406 /* SSBD via MSRC001_011F instead of MSR 0x48: */ 407 #define AMDFEID_VIRT_SSBD 0x02000000 408 #define AMDFEID_SSB_NO 0x04000000 409 410 /* 411 * AMD extended function 8000_0008h ecx info 412 */ 413 #define AMDID_CMP_CORES 0x000000ff 414 #define AMDID_COREID_SIZE 0x0000f000 415 #define AMDID_COREID_SIZE_SHIFT 12 416 417 /* 418 * CPUID instruction 7 Structured Extended Features, leaf 0 ebx info 419 */ 420 #define CPUID_STDEXT_FSGSBASE 0x00000001 421 #define CPUID_STDEXT_TSC_ADJUST 0x00000002 422 #define CPUID_STDEXT_SGX 0x00000004 423 #define CPUID_STDEXT_BMI1 0x00000008 424 #define CPUID_STDEXT_HLE 0x00000010 425 #define CPUID_STDEXT_AVX2 0x00000020 426 #define CPUID_STDEXT_FDP_EXC 0x00000040 427 #define CPUID_STDEXT_SMEP 0x00000080 428 #define CPUID_STDEXT_BMI2 0x00000100 429 #define CPUID_STDEXT_ERMS 0x00000200 430 #define CPUID_STDEXT_INVPCID 0x00000400 431 #define CPUID_STDEXT_RTM 0x00000800 432 #define CPUID_STDEXT_PQM 0x00001000 433 #define CPUID_STDEXT_NFPUSG 0x00002000 434 #define CPUID_STDEXT_MPX 0x00004000 435 #define CPUID_STDEXT_PQE 0x00008000 436 #define CPUID_STDEXT_AVX512F 0x00010000 437 #define CPUID_STDEXT_AVX512DQ 0x00020000 438 #define CPUID_STDEXT_RDSEED 0x00040000 439 #define CPUID_STDEXT_ADX 0x00080000 440 #define CPUID_STDEXT_SMAP 0x00100000 441 #define CPUID_STDEXT_AVX512IFMA 0x00200000 442 /* Formerly PCOMMIT */ 443 #define CPUID_STDEXT_CLFLUSHOPT 0x00800000 444 #define CPUID_STDEXT_CLWB 0x01000000 445 #define CPUID_STDEXT_PROCTRACE 0x02000000 446 #define CPUID_STDEXT_AVX512PF 0x04000000 447 #define CPUID_STDEXT_AVX512ER 0x08000000 448 #define CPUID_STDEXT_AVX512CD 0x10000000 449 #define CPUID_STDEXT_SHA 0x20000000 450 #define CPUID_STDEXT_AVX512BW 0x40000000 451 #define CPUID_STDEXT_AVX512VL 0x80000000 452 453 /* 454 * CPUID instruction 7 Structured Extended Features, leaf 0 ecx info 455 */ 456 #define CPUID_STDEXT2_PREFETCHWT1 0x00000001 457 #define CPUID_STDEXT2_AVX512VBMI 0x00000002 458 #define CPUID_STDEXT2_UMIP 0x00000004 459 #define CPUID_STDEXT2_PKU 0x00000008 460 #define CPUID_STDEXT2_OSPKE 0x00000010 461 #define CPUID_STDEXT2_WAITPKG 0x00000020 462 #define CPUID_STDEXT2_AVX512VBMI2 0x00000040 463 #define CPUID_STDEXT2_GFNI 0x00000100 464 #define CPUID_STDEXT2_VAES 0x00000200 465 #define CPUID_STDEXT2_VPCLMULQDQ 0x00000400 466 #define CPUID_STDEXT2_AVX512VNNI 0x00000800 467 #define CPUID_STDEXT2_AVX512BITALG 0x00001000 468 #define CPUID_STDEXT2_TME 0x00002000 469 #define CPUID_STDEXT2_AVX512VPOPCNTDQ 0x00004000 470 #define CPUID_STDEXT2_LA57 0x00010000 471 #define CPUID_STDEXT2_RDPID 0x00400000 472 #define CPUID_STDEXT2_CLDEMOTE 0x02000000 473 #define CPUID_STDEXT2_MOVDIRI 0x08000000 474 #define CPUID_STDEXT2_MOVDIR64B 0x10000000 475 #define CPUID_STDEXT2_ENQCMD 0x20000000 476 #define CPUID_STDEXT2_SGXLC 0x40000000 477 478 /* 479 * CPUID instruction 7 Structured Extended Features, leaf 0 edx info 480 */ 481 #define CPUID_STDEXT3_AVX5124VNNIW 0x00000004 482 #define CPUID_STDEXT3_AVX5124FMAPS 0x00000008 483 #define CPUID_STDEXT3_FSRM 0x00000010 484 #define CPUID_STDEXT3_AVX512VP2INTERSECT 0x00000100 485 #define CPUID_STDEXT3_MCUOPT 0x00000200 486 #define CPUID_STDEXT3_MD_CLEAR 0x00000400 487 #define CPUID_STDEXT3_TSXFA 0x00002000 488 #define CPUID_STDEXT3_PCONFIG 0x00040000 489 #define CPUID_STDEXT3_IBPB 0x04000000 490 #define CPUID_STDEXT3_STIBP 0x08000000 491 #define CPUID_STDEXT3_L1D_FLUSH 0x10000000 492 #define CPUID_STDEXT3_ARCH_CAP 0x20000000 493 #define CPUID_STDEXT3_CORE_CAP 0x40000000 494 #define CPUID_STDEXT3_SSBD 0x80000000 495 496 /* CPUID_HYBRID_ID leaf 0x1a */ 497 #define CPUID_HYBRID_CORE_MASK 0xff000000 498 #define CPUID_HYBRID_SMALL_CORE 0x20000000 499 #define CPUID_HYBRID_LARGE_CORE 0x40000000 500 501 /* MSR IA32_ARCH_CAP(ABILITIES) bits */ 502 #define IA32_ARCH_CAP_RDCL_NO 0x00000001 503 #define IA32_ARCH_CAP_IBRS_ALL 0x00000002 504 #define IA32_ARCH_CAP_RSBA 0x00000004 505 #define IA32_ARCH_CAP_SKIP_L1DFL_VMENTRY 0x00000008 506 #define IA32_ARCH_CAP_SSB_NO 0x00000010 507 #define IA32_ARCH_CAP_MDS_NO 0x00000020 508 #define IA32_ARCH_CAP_IF_PSCHANGE_MC_NO 0x00000040 509 #define IA32_ARCH_CAP_TSX_CTRL 0x00000080 510 #define IA32_ARCH_CAP_TAA_NO 0x00000100 511 512 /* MSR IA32_TSX_CTRL bits */ 513 #define IA32_TSX_CTRL_RTM_DISABLE 0x00000001 514 #define IA32_TSX_CTRL_TSX_CPUID_CLEAR 0x00000002 515 516 /* 517 * CPUID manufacturers identifiers 518 */ 519 #define AMD_VENDOR_ID "AuthenticAMD" 520 #define CENTAUR_VENDOR_ID "CentaurHauls" 521 #define CYRIX_VENDOR_ID "CyrixInstead" 522 #define INTEL_VENDOR_ID "GenuineIntel" 523 #define NEXGEN_VENDOR_ID "NexGenDriven" 524 #define NSC_VENDOR_ID "Geode by NSC" 525 #define RISE_VENDOR_ID "RiseRiseRise" 526 #define SIS_VENDOR_ID "SiS SiS SiS " 527 #define TRANSMETA_VENDOR_ID "GenuineTMx86" 528 #define UMC_VENDOR_ID "UMC UMC UMC " 529 #define HYGON_VENDOR_ID "HygonGenuine" 530 531 /* 532 * Model-specific registers for the i386 family 533 */ 534 #define MSR_P5_MC_ADDR 0x000 535 #define MSR_P5_MC_TYPE 0x001 536 #define MSR_TSC 0x010 537 #define MSR_P5_CESR 0x011 538 #define MSR_P5_CTR0 0x012 539 #define MSR_P5_CTR1 0x013 540 #define MSR_IA32_PLATFORM_ID 0x017 541 #define MSR_APICBASE 0x01b 542 #define MSR_EBL_CR_POWERON 0x02a 543 #define MSR_TEST_CTL 0x033 544 #define MSR_IA32_FEATURE_CONTROL 0x03a 545 #define MSR_IA32_SPEC_CTRL 0x048 546 #define MSR_IA32_PRED_CMD 0x049 547 #define MSR_BIOS_UPDT_TRIG 0x079 548 #define MSR_BBL_CR_D0 0x088 549 #define MSR_BBL_CR_D1 0x089 550 #define MSR_BBL_CR_D2 0x08a 551 #define MSR_BIOS_SIGN 0x08b 552 #define MSR_PERFCTR0 0x0c1 553 #define MSR_PERFCTR1 0x0c2 554 #define MSR_PLATFORM_INFO 0x0ce 555 #define MSR_MPERF 0x0e7 556 #define MSR_APERF 0x0e8 557 #define MSR_IA32_EXT_CONFIG 0x0ee /* Undocumented. Core Solo/Duo only */ 558 #define MSR_MTRRcap 0x0fe 559 #define MSR_IA32_ARCH_CAP 0x10a 560 #define MSR_IA32_FLUSH_CMD 0x10b 561 #define MSR_TSX_FORCE_ABORT 0x10f 562 #define MSR_BBL_CR_ADDR 0x116 563 #define MSR_BBL_CR_DECC 0x118 564 #define MSR_BBL_CR_CTL 0x119 565 #define MSR_BBL_CR_TRIG 0x11a 566 #define MSR_BBL_CR_BUSY 0x11b 567 #define MSR_BBL_CR_CTL3 0x11e 568 #define MSR_IA32_TSX_CTRL 0x122 569 #define MSR_IA32_MCU_OPT_CTRL 0x123 570 #define MSR_MISC_FEATURE_ENABLES 0x140 571 #define MSR_SYSENTER_CS_MSR 0x174 572 #define MSR_SYSENTER_ESP_MSR 0x175 573 #define MSR_SYSENTER_EIP_MSR 0x176 574 #define MSR_MCG_CAP 0x179 575 #define MSR_MCG_STATUS 0x17a 576 #define MSR_MCG_CTL 0x17b 577 #define MSR_EVNTSEL0 0x186 578 #define MSR_EVNTSEL1 0x187 579 #define MSR_THERM_CONTROL 0x19a 580 #define MSR_THERM_INTERRUPT 0x19b 581 #define MSR_THERM_STATUS 0x19c 582 #define MSR_IA32_MISC_ENABLE 0x1a0 583 #define MSR_IA32_TEMPERATURE_TARGET 0x1a2 584 #define MSR_TURBO_RATIO_LIMIT 0x1ad 585 #define MSR_TURBO_RATIO_LIMIT1 0x1ae 586 #define MSR_IA32_ENERGY_PERF_BIAS 0x1b0 587 #define MSR_DEBUGCTLMSR 0x1d9 588 #define MSR_LASTBRANCHFROMIP 0x1db 589 #define MSR_LASTBRANCHTOIP 0x1dc 590 #define MSR_LASTINTFROMIP 0x1dd 591 #define MSR_LASTINTTOIP 0x1de 592 #define MSR_ROB_CR_BKUPTMPDR6 0x1e0 593 #define MSR_MTRRVarBase 0x200 594 #define MSR_MTRR64kBase 0x250 595 #define MSR_MTRR16kBase 0x258 596 #define MSR_MTRR4kBase 0x268 597 #define MSR_PAT 0x277 598 #define MSR_MC0_CTL2 0x280 599 #define MSR_MTRRdefType 0x2ff 600 #define MSR_MC0_CTL 0x400 601 #define MSR_MC0_STATUS 0x401 602 #define MSR_MC0_ADDR 0x402 603 #define MSR_MC0_MISC 0x403 604 #define MSR_MC1_CTL 0x404 605 #define MSR_MC1_STATUS 0x405 606 #define MSR_MC1_ADDR 0x406 607 #define MSR_MC1_MISC 0x407 608 #define MSR_MC2_CTL 0x408 609 #define MSR_MC2_STATUS 0x409 610 #define MSR_MC2_ADDR 0x40a 611 #define MSR_MC2_MISC 0x40b 612 #define MSR_MC3_CTL 0x40c 613 #define MSR_MC3_STATUS 0x40d 614 #define MSR_MC3_ADDR 0x40e 615 #define MSR_MC3_MISC 0x40f 616 #define MSR_MC4_CTL 0x410 617 #define MSR_MC4_STATUS 0x411 618 #define MSR_MC4_ADDR 0x412 619 #define MSR_MC4_MISC 0x413 620 #define MSR_MCG_EXT_CTL 0x4d0 621 #define MSR_RAPL_POWER_UNIT 0x606 622 #define MSR_PKG_ENERGY_STATUS 0x611 623 #define MSR_DRAM_ENERGY_STATUS 0x619 624 #define MSR_PP0_ENERGY_STATUS 0x639 625 #define MSR_PP1_ENERGY_STATUS 0x641 626 #define MSR_PPERF 0x64e 627 #define MSR_TSC_DEADLINE 0x6e0 /* Writes are not serializing */ 628 #define MSR_IA32_PM_ENABLE 0x770 629 #define MSR_IA32_HWP_CAPABILITIES 0x771 630 #define MSR_IA32_HWP_REQUEST_PKG 0x772 631 #define MSR_IA32_HWP_INTERRUPT 0x773 632 #define MSR_IA32_HWP_REQUEST 0x774 633 #define MSR_IA32_HWP_STATUS 0x777 634 635 /* 636 * VMX MSRs 637 */ 638 #define MSR_VMX_BASIC 0x480 639 #define MSR_VMX_PINBASED_CTLS 0x481 640 #define MSR_VMX_PROCBASED_CTLS 0x482 641 #define MSR_VMX_EXIT_CTLS 0x483 642 #define MSR_VMX_ENTRY_CTLS 0x484 643 #define MSR_VMX_CR0_FIXED0 0x486 644 #define MSR_VMX_CR0_FIXED1 0x487 645 #define MSR_VMX_CR4_FIXED0 0x488 646 #define MSR_VMX_CR4_FIXED1 0x489 647 #define MSR_VMX_PROCBASED_CTLS2 0x48b 648 #define MSR_VMX_EPT_VPID_CAP 0x48c 649 #define MSR_VMX_TRUE_PINBASED_CTLS 0x48d 650 #define MSR_VMX_TRUE_PROCBASED_CTLS 0x48e 651 #define MSR_VMX_TRUE_EXIT_CTLS 0x48f 652 #define MSR_VMX_TRUE_ENTRY_CTLS 0x490 653 654 /* 655 * X2APIC MSRs. 656 * Writes are not serializing. 657 */ 658 #define MSR_APIC_000 0x800 659 #define MSR_APIC_ID 0x802 660 #define MSR_APIC_VERSION 0x803 661 #define MSR_APIC_TPR 0x808 662 #define MSR_APIC_EOI 0x80b 663 #define MSR_APIC_LDR 0x80d 664 #define MSR_APIC_SVR 0x80f 665 #define MSR_APIC_ISR0 0x810 666 #define MSR_APIC_ISR1 0x811 667 #define MSR_APIC_ISR2 0x812 668 #define MSR_APIC_ISR3 0x813 669 #define MSR_APIC_ISR4 0x814 670 #define MSR_APIC_ISR5 0x815 671 #define MSR_APIC_ISR6 0x816 672 #define MSR_APIC_ISR7 0x817 673 #define MSR_APIC_TMR0 0x818 674 #define MSR_APIC_IRR0 0x820 675 #define MSR_APIC_ESR 0x828 676 #define MSR_APIC_LVT_CMCI 0x82F 677 #define MSR_APIC_ICR 0x830 678 #define MSR_APIC_LVT_TIMER 0x832 679 #define MSR_APIC_LVT_THERMAL 0x833 680 #define MSR_APIC_LVT_PCINT 0x834 681 #define MSR_APIC_LVT_LINT0 0x835 682 #define MSR_APIC_LVT_LINT1 0x836 683 #define MSR_APIC_LVT_ERROR 0x837 684 #define MSR_APIC_ICR_TIMER 0x838 685 #define MSR_APIC_CCR_TIMER 0x839 686 #define MSR_APIC_DCR_TIMER 0x83e 687 #define MSR_APIC_SELF_IPI 0x83f 688 689 #define MSR_IA32_XSS 0xda0 690 691 /* 692 * Intel Processor Trace (PT) MSRs. 693 */ 694 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560 /* Trace Output Base Register (R/W) */ 695 #define MSR_IA32_RTIT_OUTPUT_MASK_PTRS 0x561 /* Trace Output Mask Pointers Register (R/W) */ 696 #define MSR_IA32_RTIT_CTL 0x570 /* Trace Control Register (R/W) */ 697 #define RTIT_CTL_TRACEEN (1 << 0) 698 #define RTIT_CTL_CYCEN (1 << 1) 699 #define RTIT_CTL_OS (1 << 2) 700 #define RTIT_CTL_USER (1 << 3) 701 #define RTIT_CTL_PWREVTEN (1 << 4) 702 #define RTIT_CTL_FUPONPTW (1 << 5) 703 #define RTIT_CTL_FABRICEN (1 << 6) 704 #define RTIT_CTL_CR3FILTER (1 << 7) 705 #define RTIT_CTL_TOPA (1 << 8) 706 #define RTIT_CTL_MTCEN (1 << 9) 707 #define RTIT_CTL_TSCEN (1 << 10) 708 #define RTIT_CTL_DISRETC (1 << 11) 709 #define RTIT_CTL_PTWEN (1 << 12) 710 #define RTIT_CTL_BRANCHEN (1 << 13) 711 #define RTIT_CTL_MTC_FREQ_S 14 712 #define RTIT_CTL_MTC_FREQ(n) ((n) << RTIT_CTL_MTC_FREQ_S) 713 #define RTIT_CTL_MTC_FREQ_M (0xf << RTIT_CTL_MTC_FREQ_S) 714 #define RTIT_CTL_CYC_THRESH_S 19 715 #define RTIT_CTL_CYC_THRESH_M (0xf << RTIT_CTL_CYC_THRESH_S) 716 #define RTIT_CTL_PSB_FREQ_S 24 717 #define RTIT_CTL_PSB_FREQ_M (0xf << RTIT_CTL_PSB_FREQ_S) 718 #define RTIT_CTL_ADDR_CFG_S(n) (32 + (n) * 4) 719 #define RTIT_CTL_ADDR0_CFG_S 32 720 #define RTIT_CTL_ADDR0_CFG_M (0xfULL << RTIT_CTL_ADDR0_CFG_S) 721 #define RTIT_CTL_ADDR1_CFG_S 36 722 #define RTIT_CTL_ADDR1_CFG_M (0xfULL << RTIT_CTL_ADDR1_CFG_S) 723 #define RTIT_CTL_ADDR2_CFG_S 40 724 #define RTIT_CTL_ADDR2_CFG_M (0xfULL << RTIT_CTL_ADDR2_CFG_S) 725 #define RTIT_CTL_ADDR3_CFG_S 44 726 #define RTIT_CTL_ADDR3_CFG_M (0xfULL << RTIT_CTL_ADDR3_CFG_S) 727 #define MSR_IA32_RTIT_STATUS 0x571 /* Tracing Status Register (R/W) */ 728 #define RTIT_STATUS_FILTEREN (1 << 0) 729 #define RTIT_STATUS_CONTEXTEN (1 << 1) 730 #define RTIT_STATUS_TRIGGEREN (1 << 2) 731 #define RTIT_STATUS_ERROR (1 << 4) 732 #define RTIT_STATUS_STOPPED (1 << 5) 733 #define RTIT_STATUS_PACKETBYTECNT_S 32 734 #define RTIT_STATUS_PACKETBYTECNT_M (0x1ffffULL << RTIT_STATUS_PACKETBYTECNT_S) 735 #define MSR_IA32_RTIT_CR3_MATCH 0x572 /* Trace Filter CR3 Match Register (R/W) */ 736 #define MSR_IA32_RTIT_ADDR_A(n) (0x580 + (n) * 2) 737 #define MSR_IA32_RTIT_ADDR_B(n) (0x581 + (n) * 2) 738 #define MSR_IA32_RTIT_ADDR0_A 0x580 /* Region 0 Start Address (R/W) */ 739 #define MSR_IA32_RTIT_ADDR0_B 0x581 /* Region 0 End Address (R/W) */ 740 #define MSR_IA32_RTIT_ADDR1_A 0x582 /* Region 1 Start Address (R/W) */ 741 #define MSR_IA32_RTIT_ADDR1_B 0x583 /* Region 1 End Address (R/W) */ 742 #define MSR_IA32_RTIT_ADDR2_A 0x584 /* Region 2 Start Address (R/W) */ 743 #define MSR_IA32_RTIT_ADDR2_B 0x585 /* Region 2 End Address (R/W) */ 744 #define MSR_IA32_RTIT_ADDR3_A 0x586 /* Region 3 Start Address (R/W) */ 745 #define MSR_IA32_RTIT_ADDR3_B 0x587 /* Region 3 End Address (R/W) */ 746 747 /* Intel Processor Trace Table of Physical Addresses (ToPA). */ 748 #define TOPA_SIZE_S 6 749 #define TOPA_SIZE_M (0xf << TOPA_SIZE_S) 750 #define TOPA_SIZE_4K (0 << TOPA_SIZE_S) 751 #define TOPA_SIZE_8K (1 << TOPA_SIZE_S) 752 #define TOPA_SIZE_16K (2 << TOPA_SIZE_S) 753 #define TOPA_SIZE_32K (3 << TOPA_SIZE_S) 754 #define TOPA_SIZE_64K (4 << TOPA_SIZE_S) 755 #define TOPA_SIZE_128K (5 << TOPA_SIZE_S) 756 #define TOPA_SIZE_256K (6 << TOPA_SIZE_S) 757 #define TOPA_SIZE_512K (7 << TOPA_SIZE_S) 758 #define TOPA_SIZE_1M (8 << TOPA_SIZE_S) 759 #define TOPA_SIZE_2M (9 << TOPA_SIZE_S) 760 #define TOPA_SIZE_4M (10 << TOPA_SIZE_S) 761 #define TOPA_SIZE_8M (11 << TOPA_SIZE_S) 762 #define TOPA_SIZE_16M (12 << TOPA_SIZE_S) 763 #define TOPA_SIZE_32M (13 << TOPA_SIZE_S) 764 #define TOPA_SIZE_64M (14 << TOPA_SIZE_S) 765 #define TOPA_SIZE_128M (15 << TOPA_SIZE_S) 766 #define TOPA_STOP (1 << 4) 767 #define TOPA_INT (1 << 2) 768 #define TOPA_END (1 << 0) 769 770 /* 771 * Constants related to MSR's. 772 */ 773 #define APICBASE_RESERVED 0x000002ff 774 #define APICBASE_BSP 0x00000100 775 #define APICBASE_X2APIC 0x00000400 776 #define APICBASE_ENABLED 0x00000800 777 #define APICBASE_ADDRESS 0xfffff000 778 779 /* MSR_IA32_FEATURE_CONTROL related */ 780 #define IA32_FEATURE_CONTROL_LOCK 0x01 /* lock bit */ 781 #define IA32_FEATURE_CONTROL_SMX_EN 0x02 /* enable VMX inside SMX */ 782 #define IA32_FEATURE_CONTROL_VMX_EN 0x04 /* enable VMX outside SMX */ 783 #define IA32_FEATURE_CONTROL_LMCE_EN 0x100000 /* enable local MCE */ 784 785 /* MSR IA32_MISC_ENABLE */ 786 #define IA32_MISC_EN_FASTSTR 0x0000000000000001ULL 787 #define IA32_MISC_EN_ATCCE 0x0000000000000008ULL 788 #define IA32_MISC_EN_PERFMON 0x0000000000000080ULL 789 #define IA32_MISC_EN_PEBSU 0x0000000000001000ULL 790 #define IA32_MISC_EN_ESSTE 0x0000000000010000ULL 791 #define IA32_MISC_EN_MONE 0x0000000000040000ULL 792 #define IA32_MISC_EN_LIMCPUID 0x0000000000400000ULL 793 #define IA32_MISC_EN_xTPRD 0x0000000000800000ULL 794 #define IA32_MISC_EN_XDD 0x0000000400000000ULL 795 796 /* 797 * IA32_SPEC_CTRL and IA32_PRED_CMD MSRs are described in the Intel' 798 * document 336996-001 Speculative Execution Side Channel Mitigations. 799 * 800 * AMD uses the same MSRs and bit definitions, as described in 111006-B 801 * "Indirect Branch Control Extension" and 124441 "Speculative Store Bypass 802 * Disable." 803 */ 804 /* MSR IA32_SPEC_CTRL */ 805 #define IA32_SPEC_CTRL_IBRS 0x00000001 806 #define IA32_SPEC_CTRL_STIBP 0x00000002 807 #define IA32_SPEC_CTRL_SSBD 0x00000004 808 809 /* MSR IA32_PRED_CMD */ 810 #define IA32_PRED_CMD_IBPB_BARRIER 0x0000000000000001ULL 811 812 /* MSR IA32_FLUSH_CMD */ 813 #define IA32_FLUSH_CMD_L1D 0x00000001 814 815 /* MSR IA32_MCU_OPT_CTRL */ 816 #define IA32_RNGDS_MITG_DIS 0x00000001 817 818 /* MSR IA32_HWP_CAPABILITIES */ 819 #define IA32_HWP_CAPABILITIES_HIGHEST_PERFORMANCE(x) (((x) >> 0) & 0xff) 820 #define IA32_HWP_CAPABILITIES_GUARANTEED_PERFORMANCE(x) (((x) >> 8) & 0xff) 821 #define IA32_HWP_CAPABILITIES_EFFICIENT_PERFORMANCE(x) (((x) >> 16) & 0xff) 822 #define IA32_HWP_CAPABILITIES_LOWEST_PERFORMANCE(x) (((x) >> 24) & 0xff) 823 824 /* MSR IA32_HWP_REQUEST */ 825 #define IA32_HWP_REQUEST_MINIMUM_VALID (1ULL << 63) 826 #define IA32_HWP_REQUEST_MAXIMUM_VALID (1ULL << 62) 827 #define IA32_HWP_REQUEST_DESIRED_VALID (1ULL << 61) 828 #define IA32_HWP_REQUEST_EPP_VALID (1ULL << 60) 829 #define IA32_HWP_REQUEST_ACTIVITY_WINDOW_VALID (1ULL << 59) 830 #define IA32_HWP_REQUEST_PACKAGE_CONTROL (1ULL << 42) 831 #define IA32_HWP_ACTIVITY_WINDOW (0x3ffULL << 32) 832 #define IA32_HWP_REQUEST_ENERGY_PERFORMANCE_PREFERENCE (0xffULL << 24) 833 #define IA32_HWP_DESIRED_PERFORMANCE (0xffULL << 16) 834 #define IA32_HWP_REQUEST_MAXIMUM_PERFORMANCE (0xffULL << 8) 835 #define IA32_HWP_MINIMUM_PERFORMANCE (0xffULL << 0) 836 837 /* MSR IA32_ENERGY_PERF_BIAS */ 838 #define IA32_ENERGY_PERF_BIAS_POLICY_HINT_MASK (0xfULL << 0) 839 840 /* 841 * PAT modes. 842 */ 843 #define PAT_UNCACHEABLE 0x00 844 #define PAT_WRITE_COMBINING 0x01 845 #define PAT_WRITE_THROUGH 0x04 846 #define PAT_WRITE_PROTECTED 0x05 847 #define PAT_WRITE_BACK 0x06 848 #define PAT_UNCACHED 0x07 849 #define PAT_VALUE(i, m) ((long long)(m) << (8 * (i))) 850 #define PAT_MASK(i) PAT_VALUE(i, 0xff) 851 852 /* 853 * Constants related to MTRRs 854 */ 855 #define MTRR_UNCACHEABLE 0x00 856 #define MTRR_WRITE_COMBINING 0x01 857 #define MTRR_WRITE_THROUGH 0x04 858 #define MTRR_WRITE_PROTECTED 0x05 859 #define MTRR_WRITE_BACK 0x06 860 #define MTRR_N64K 8 /* numbers of fixed-size entries */ 861 #define MTRR_N16K 16 862 #define MTRR_N4K 64 863 #define MTRR_CAP_WC 0x0000000000000400 864 #define MTRR_CAP_FIXED 0x0000000000000100 865 #define MTRR_CAP_VCNT 0x00000000000000ff 866 #define MTRR_DEF_ENABLE 0x0000000000000800 867 #define MTRR_DEF_FIXED_ENABLE 0x0000000000000400 868 #define MTRR_DEF_TYPE 0x00000000000000ff 869 #define MTRR_PHYSBASE_PHYSBASE 0x000ffffffffff000 870 #define MTRR_PHYSBASE_TYPE 0x00000000000000ff 871 #define MTRR_PHYSMASK_PHYSMASK 0x000ffffffffff000 872 #define MTRR_PHYSMASK_VALID 0x0000000000000800 873 874 /* 875 * Cyrix configuration registers, accessible as IO ports. 876 */ 877 #define CCR0 0xc0 /* Configuration control register 0 */ 878 #define CCR0_NC0 0x01 /* First 64K of each 1M memory region is 879 non-cacheable */ 880 #define CCR0_NC1 0x02 /* 640K-1M region is non-cacheable */ 881 #define CCR0_A20M 0x04 /* Enables A20M# input pin */ 882 #define CCR0_KEN 0x08 /* Enables KEN# input pin */ 883 #define CCR0_FLUSH 0x10 /* Enables FLUSH# input pin */ 884 #define CCR0_BARB 0x20 /* Flushes internal cache when entering hold 885 state */ 886 #define CCR0_CO 0x40 /* Cache org: 1=direct mapped, 0=2x set 887 assoc */ 888 #define CCR0_SUSPEND 0x80 /* Enables SUSP# and SUSPA# pins */ 889 890 #define CCR1 0xc1 /* Configuration control register 1 */ 891 #define CCR1_RPL 0x01 /* Enables RPLSET and RPLVAL# pins */ 892 #define CCR1_SMI 0x02 /* Enables SMM pins */ 893 #define CCR1_SMAC 0x04 /* System management memory access */ 894 #define CCR1_MMAC 0x08 /* Main memory access */ 895 #define CCR1_NO_LOCK 0x10 /* Negate LOCK# */ 896 #define CCR1_SM3 0x80 /* SMM address space address region 3 */ 897 898 #define CCR2 0xc2 899 #define CCR2_WB 0x02 /* Enables WB cache interface pins */ 900 #define CCR2_SADS 0x02 /* Slow ADS */ 901 #define CCR2_LOCK_NW 0x04 /* LOCK NW Bit */ 902 #define CCR2_SUSP_HLT 0x08 /* Suspend on HALT */ 903 #define CCR2_WT1 0x10 /* WT region 1 */ 904 #define CCR2_WPR1 0x10 /* Write-protect region 1 */ 905 #define CCR2_BARB 0x20 /* Flushes write-back cache when entering 906 hold state. */ 907 #define CCR2_BWRT 0x40 /* Enables burst write cycles */ 908 #define CCR2_USE_SUSP 0x80 /* Enables suspend pins */ 909 910 #define CCR3 0xc3 911 #define CCR3_SMILOCK 0x01 /* SMM register lock */ 912 #define CCR3_NMI 0x02 /* Enables NMI during SMM */ 913 #define CCR3_LINBRST 0x04 /* Linear address burst cycles */ 914 #define CCR3_SMMMODE 0x08 /* SMM Mode */ 915 #define CCR3_MAPEN0 0x10 /* Enables Map0 */ 916 #define CCR3_MAPEN1 0x20 /* Enables Map1 */ 917 #define CCR3_MAPEN2 0x40 /* Enables Map2 */ 918 #define CCR3_MAPEN3 0x80 /* Enables Map3 */ 919 920 #define CCR4 0xe8 921 #define CCR4_IOMASK 0x07 922 #define CCR4_MEM 0x08 /* Enables momory bypassing */ 923 #define CCR4_DTE 0x10 /* Enables directory table entry cache */ 924 #define CCR4_FASTFPE 0x20 /* Fast FPU exception */ 925 #define CCR4_CPUID 0x80 /* Enables CPUID instruction */ 926 927 #define CCR5 0xe9 928 #define CCR5_WT_ALLOC 0x01 /* Write-through allocate */ 929 #define CCR5_SLOP 0x02 /* LOOP instruction slowed down */ 930 #define CCR5_LBR1 0x10 /* Local bus region 1 */ 931 #define CCR5_ARREN 0x20 /* Enables ARR region */ 932 933 #define CCR6 0xea 934 935 #define CCR7 0xeb 936 937 /* Performance Control Register (5x86 only). */ 938 #define PCR0 0x20 939 #define PCR0_RSTK 0x01 /* Enables return stack */ 940 #define PCR0_BTB 0x02 /* Enables branch target buffer */ 941 #define PCR0_LOOP 0x04 /* Enables loop */ 942 #define PCR0_AIS 0x08 /* Enables all instrcutions stalled to 943 serialize pipe. */ 944 #define PCR0_MLR 0x10 /* Enables reordering of misaligned loads */ 945 #define PCR0_BTBRT 0x40 /* Enables BTB test register. */ 946 #define PCR0_LSSER 0x80 /* Disable reorder */ 947 948 /* Device Identification Registers */ 949 #define DIR0 0xfe 950 #define DIR1 0xff 951 952 /* 953 * Machine Check register constants. 954 */ 955 #define MCG_CAP_COUNT 0x000000ff 956 #define MCG_CAP_CTL_P 0x00000100 957 #define MCG_CAP_EXT_P 0x00000200 958 #define MCG_CAP_CMCI_P 0x00000400 959 #define MCG_CAP_TES_P 0x00000800 960 #define MCG_CAP_EXT_CNT 0x00ff0000 961 #define MCG_CAP_SER_P 0x01000000 962 #define MCG_CAP_EMC_P 0x02000000 963 #define MCG_CAP_ELOG_P 0x04000000 964 #define MCG_CAP_LMCE_P 0x08000000 965 #define MCG_STATUS_RIPV 0x00000001 966 #define MCG_STATUS_EIPV 0x00000002 967 #define MCG_STATUS_MCIP 0x00000004 968 #define MCG_STATUS_LMCS 0x00000008 /* if MCG_CAP_LMCE_P */ 969 #define MCG_CTL_ENABLE 0xffffffffffffffff 970 #define MCG_CTL_DISABLE 0x0000000000000000 971 #define MSR_MC_CTL(x) (MSR_MC0_CTL + (x) * 4) 972 #define MSR_MC_STATUS(x) (MSR_MC0_STATUS + (x) * 4) 973 #define MSR_MC_ADDR(x) (MSR_MC0_ADDR + (x) * 4) 974 #define MSR_MC_MISC(x) (MSR_MC0_MISC + (x) * 4) 975 #define MSR_MC_CTL2(x) (MSR_MC0_CTL2 + (x)) /* If MCG_CAP_CMCI_P */ 976 #define MC_STATUS_MCA_ERROR 0x000000000000ffff 977 #define MC_STATUS_MODEL_ERROR 0x00000000ffff0000 978 #define MC_STATUS_OTHER_INFO 0x01ffffff00000000 979 #define MC_STATUS_COR_COUNT 0x001fffc000000000 /* If MCG_CAP_CMCI_P */ 980 #define MC_STATUS_TES_STATUS 0x0060000000000000 /* If MCG_CAP_TES_P */ 981 #define MC_STATUS_AR 0x0080000000000000 /* If MCG_CAP_TES_P */ 982 #define MC_STATUS_S 0x0100000000000000 /* If MCG_CAP_TES_P */ 983 #define MC_STATUS_PCC 0x0200000000000000 984 #define MC_STATUS_ADDRV 0x0400000000000000 985 #define MC_STATUS_MISCV 0x0800000000000000 986 #define MC_STATUS_EN 0x1000000000000000 987 #define MC_STATUS_UC 0x2000000000000000 988 #define MC_STATUS_OVER 0x4000000000000000 989 #define MC_STATUS_VAL 0x8000000000000000 990 #define MC_MISC_RA_LSB 0x000000000000003f /* If MCG_CAP_SER_P */ 991 #define MC_MISC_ADDRESS_MODE 0x00000000000001c0 /* If MCG_CAP_SER_P */ 992 #define MC_MISC_PCIE_RID 0x00000000ffff0000 993 #define MC_MISC_PCIE_FUNC 0x0000000000070000 994 #define MC_MISC_PCIE_SLOT 0x0000000000f80000 995 #define MC_MISC_PCIE_BUS 0x00000000ff000000 996 #define MC_MISC_PCIE_SEG 0x000000ff00000000 997 #define MC_CTL2_THRESHOLD 0x0000000000007fff 998 #define MC_CTL2_CMCI_EN 0x0000000040000000 999 #define MC_AMDNB_BANK 4 1000 #define MC_MISC_AMD_VAL 0x8000000000000000 /* Counter presence valid */ 1001 #define MC_MISC_AMD_CNTP 0x4000000000000000 /* Counter present */ 1002 #define MC_MISC_AMD_LOCK 0x2000000000000000 /* Register locked */ 1003 #define MC_MISC_AMD_INTP 0x1000000000000000 /* Int. type can generate interrupts */ 1004 #define MC_MISC_AMD_LVT_MASK 0x00f0000000000000 /* Extended LVT offset */ 1005 #define MC_MISC_AMD_LVT_SHIFT 52 1006 #define MC_MISC_AMD_CNTEN 0x0008000000000000 /* Counter enabled */ 1007 #define MC_MISC_AMD_INT_MASK 0x0006000000000000 /* Interrupt type */ 1008 #define MC_MISC_AMD_INT_LVT 0x0002000000000000 /* Interrupt via Extended LVT */ 1009 #define MC_MISC_AMD_INT_SMI 0x0004000000000000 /* SMI */ 1010 #define MC_MISC_AMD_OVERFLOW 0x0001000000000000 /* Counter overflow */ 1011 #define MC_MISC_AMD_CNT_MASK 0x00000fff00000000 /* Counter value */ 1012 #define MC_MISC_AMD_CNT_SHIFT 32 1013 #define MC_MISC_AMD_CNT_MAX 0xfff 1014 #define MC_MISC_AMD_PTR_MASK 0x00000000ff000000 /* Pointer to additional registers */ 1015 #define MC_MISC_AMD_PTR_SHIFT 24 1016 1017 /* AMD Scalable MCA */ 1018 #define MSR_SMCA_MC0_CTL 0xc0002000 1019 #define MSR_SMCA_MC0_STATUS 0xc0002001 1020 #define MSR_SMCA_MC0_ADDR 0xc0002002 1021 #define MSR_SMCA_MC0_MISC0 0xc0002003 1022 #define MSR_SMCA_MC_CTL(x) (MSR_SMCA_MC0_CTL + 0x10 * (x)) 1023 #define MSR_SMCA_MC_STATUS(x) (MSR_SMCA_MC0_STATUS + 0x10 * (x)) 1024 #define MSR_SMCA_MC_ADDR(x) (MSR_SMCA_MC0_ADDR + 0x10 * (x)) 1025 #define MSR_SMCA_MC_MISC(x) (MSR_SMCA_MC0_MISC0 + 0x10 * (x)) 1026 1027 /* 1028 * The following four 3-byte registers control the non-cacheable regions. 1029 * These registers must be written as three separate bytes. 1030 * 1031 * NCRx+0: A31-A24 of starting address 1032 * NCRx+1: A23-A16 of starting address 1033 * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx. 1034 * 1035 * The non-cacheable region's starting address must be aligned to the 1036 * size indicated by the NCR_SIZE_xx field. 1037 */ 1038 #define NCR1 0xc4 1039 #define NCR2 0xc7 1040 #define NCR3 0xca 1041 #define NCR4 0xcd 1042 1043 #define NCR_SIZE_0K 0 1044 #define NCR_SIZE_4K 1 1045 #define NCR_SIZE_8K 2 1046 #define NCR_SIZE_16K 3 1047 #define NCR_SIZE_32K 4 1048 #define NCR_SIZE_64K 5 1049 #define NCR_SIZE_128K 6 1050 #define NCR_SIZE_256K 7 1051 #define NCR_SIZE_512K 8 1052 #define NCR_SIZE_1M 9 1053 #define NCR_SIZE_2M 10 1054 #define NCR_SIZE_4M 11 1055 #define NCR_SIZE_8M 12 1056 #define NCR_SIZE_16M 13 1057 #define NCR_SIZE_32M 14 1058 #define NCR_SIZE_4G 15 1059 1060 /* 1061 * The address region registers are used to specify the location and 1062 * size for the eight address regions. 1063 * 1064 * ARRx + 0: A31-A24 of start address 1065 * ARRx + 1: A23-A16 of start address 1066 * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx 1067 */ 1068 #define ARR0 0xc4 1069 #define ARR1 0xc7 1070 #define ARR2 0xca 1071 #define ARR3 0xcd 1072 #define ARR4 0xd0 1073 #define ARR5 0xd3 1074 #define ARR6 0xd6 1075 #define ARR7 0xd9 1076 1077 #define ARR_SIZE_0K 0 1078 #define ARR_SIZE_4K 1 1079 #define ARR_SIZE_8K 2 1080 #define ARR_SIZE_16K 3 1081 #define ARR_SIZE_32K 4 1082 #define ARR_SIZE_64K 5 1083 #define ARR_SIZE_128K 6 1084 #define ARR_SIZE_256K 7 1085 #define ARR_SIZE_512K 8 1086 #define ARR_SIZE_1M 9 1087 #define ARR_SIZE_2M 10 1088 #define ARR_SIZE_4M 11 1089 #define ARR_SIZE_8M 12 1090 #define ARR_SIZE_16M 13 1091 #define ARR_SIZE_32M 14 1092 #define ARR_SIZE_4G 15 1093 1094 /* 1095 * The region control registers specify the attributes associated with 1096 * the ARRx addres regions. 1097 */ 1098 #define RCR0 0xdc 1099 #define RCR1 0xdd 1100 #define RCR2 0xde 1101 #define RCR3 0xdf 1102 #define RCR4 0xe0 1103 #define RCR5 0xe1 1104 #define RCR6 0xe2 1105 #define RCR7 0xe3 1106 1107 #define RCR_RCD 0x01 /* Disables caching for ARRx (x = 0-6). */ 1108 #define RCR_RCE 0x01 /* Enables caching for ARR7. */ 1109 #define RCR_WWO 0x02 /* Weak write ordering. */ 1110 #define RCR_WL 0x04 /* Weak locking. */ 1111 #define RCR_WG 0x08 /* Write gathering. */ 1112 #define RCR_WT 0x10 /* Write-through. */ 1113 #define RCR_NLB 0x20 /* LBA# pin is not asserted. */ 1114 1115 /* AMD Write Allocate Top-Of-Memory and Control Register */ 1116 #define AMD_WT_ALLOC_TME 0x40000 /* top-of-memory enable */ 1117 #define AMD_WT_ALLOC_PRE 0x20000 /* programmable range enable */ 1118 #define AMD_WT_ALLOC_FRE 0x10000 /* fixed (A0000-FFFFF) range enable */ 1119 1120 /* AMD64 MSR's */ 1121 #define MSR_EFER 0xc0000080 /* extended features */ 1122 #define MSR_STAR 0xc0000081 /* legacy mode SYSCALL target/cs/ss */ 1123 #define MSR_LSTAR 0xc0000082 /* long mode SYSCALL target rip */ 1124 #define MSR_CSTAR 0xc0000083 /* compat mode SYSCALL target rip */ 1125 #define MSR_SF_MASK 0xc0000084 /* syscall flags mask */ 1126 #define MSR_FSBASE 0xc0000100 /* base address of the %fs "segment" */ 1127 #define MSR_GSBASE 0xc0000101 /* base address of the %gs "segment" */ 1128 #define MSR_KGSBASE 0xc0000102 /* base address of the kernel %gs */ 1129 #define MSR_TSC_AUX 0xc0000103 1130 #define MSR_PERFEVSEL0 0xc0010000 1131 #define MSR_PERFEVSEL1 0xc0010001 1132 #define MSR_PERFEVSEL2 0xc0010002 1133 #define MSR_PERFEVSEL3 0xc0010003 1134 #define MSR_K7_PERFCTR0 0xc0010004 1135 #define MSR_K7_PERFCTR1 0xc0010005 1136 #define MSR_K7_PERFCTR2 0xc0010006 1137 #define MSR_K7_PERFCTR3 0xc0010007 1138 #define MSR_SYSCFG 0xc0010010 1139 #define MSR_HWCR 0xc0010015 1140 #define MSR_IORRBASE0 0xc0010016 1141 #define MSR_IORRMASK0 0xc0010017 1142 #define MSR_IORRBASE1 0xc0010018 1143 #define MSR_IORRMASK1 0xc0010019 1144 #define MSR_TOP_MEM 0xc001001a /* boundary for ram below 4G */ 1145 #define MSR_TOP_MEM2 0xc001001d /* boundary for ram above 4G */ 1146 #define MSR_NB_CFG1 0xc001001f /* NB configuration 1 */ 1147 #define MSR_K8_UCODE_UPDATE 0xc0010020 /* update microcode */ 1148 #define MSR_MC0_CTL_MASK 0xc0010044 1149 #define MSR_AMDK8_IPM 0xc0010055 1150 #define MSR_P_STATE_LIMIT 0xc0010061 /* P-state Current Limit Register */ 1151 #define MSR_P_STATE_CONTROL 0xc0010062 /* P-state Control Register */ 1152 #define MSR_P_STATE_STATUS 0xc0010063 /* P-state Status Register */ 1153 #define MSR_P_STATE_CONFIG(n) (0xc0010064 + (n)) /* P-state Config */ 1154 #define MSR_SMM_ADDR 0xc0010112 /* SMM TSEG base address */ 1155 #define MSR_SMM_MASK 0xc0010113 /* SMM TSEG address mask */ 1156 #define MSR_VM_CR 0xc0010114 /* SVM: feature control */ 1157 #define MSR_VM_HSAVE_PA 0xc0010117 /* SVM: host save area address */ 1158 #define MSR_AMD_CPUID07 0xc0011002 /* CPUID 07 %ebx override */ 1159 #define MSR_EXTFEATURES 0xc0011005 /* Extended CPUID Features override */ 1160 #define MSR_LS_CFG 0xc0011020 1161 #define MSR_IC_CFG 0xc0011021 /* Instruction Cache Configuration */ 1162 #define MSR_DE_CFG 0xc0011029 /* Decode Configuration */ 1163 1164 /* MSR_VM_CR related */ 1165 #define VM_CR_SVMDIS 0x10 /* SVM: disabled by BIOS */ 1166 1167 #define AMDK8_SMIONCMPHALT (1ULL << 27) 1168 #define AMDK8_C1EONCMPHALT (1ULL << 28) 1169 1170 /* VIA ACE crypto featureset: for via_feature_rng */ 1171 #define VIA_HAS_RNG 1 /* cpu has RNG */ 1172 1173 /* VIA ACE crypto featureset: for via_feature_xcrypt */ 1174 #define VIA_HAS_AES 1 /* cpu has AES */ 1175 #define VIA_HAS_SHA 2 /* cpu has SHA1 & SHA256 */ 1176 #define VIA_HAS_MM 4 /* cpu has RSA instructions */ 1177 #define VIA_HAS_AESCTR 8 /* cpu has AES-CTR instructions */ 1178 1179 /* Centaur Extended Feature flags */ 1180 #define VIA_CPUID_HAS_RNG 0x000004 1181 #define VIA_CPUID_DO_RNG 0x000008 1182 #define VIA_CPUID_HAS_ACE 0x000040 1183 #define VIA_CPUID_DO_ACE 0x000080 1184 #define VIA_CPUID_HAS_ACE2 0x000100 1185 #define VIA_CPUID_DO_ACE2 0x000200 1186 #define VIA_CPUID_HAS_PHE 0x000400 1187 #define VIA_CPUID_DO_PHE 0x000800 1188 #define VIA_CPUID_HAS_PMM 0x001000 1189 #define VIA_CPUID_DO_PMM 0x002000 1190 1191 /* VIA ACE xcrypt-* instruction context control options */ 1192 #define VIA_CRYPT_CWLO_ROUND_M 0x0000000f 1193 #define VIA_CRYPT_CWLO_ALG_M 0x00000070 1194 #define VIA_CRYPT_CWLO_ALG_AES 0x00000000 1195 #define VIA_CRYPT_CWLO_KEYGEN_M 0x00000080 1196 #define VIA_CRYPT_CWLO_KEYGEN_HW 0x00000000 1197 #define VIA_CRYPT_CWLO_KEYGEN_SW 0x00000080 1198 #define VIA_CRYPT_CWLO_NORMAL 0x00000000 1199 #define VIA_CRYPT_CWLO_INTERMEDIATE 0x00000100 1200 #define VIA_CRYPT_CWLO_ENCRYPT 0x00000000 1201 #define VIA_CRYPT_CWLO_DECRYPT 0x00000200 1202 #define VIA_CRYPT_CWLO_KEY128 0x0000000a /* 128bit, 10 rds */ 1203 #define VIA_CRYPT_CWLO_KEY192 0x0000040c /* 192bit, 12 rds */ 1204 #define VIA_CRYPT_CWLO_KEY256 0x0000080e /* 256bit, 15 rds */ 1205 1206 #endif /* !_MACHINE_SPECIALREG_H_ */
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