15325 bhyve upstream sync 2023 January

[illumos-gate.git] / usr / src / contrib / bhyve / x86 / specialreg.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      from: @(#)specialreg.h  7.1 (Berkeley) 5/9/91
 * $FreeBSD$
 */

#ifndef _MACHINE_SPECIALREG_H_
#define _MACHINE_SPECIALREG_H_

/*
 * Bits in 386 special registers:
 */
#define CR0_PE  0x00000001      /* Protected mode Enable */
#define CR0_MP  0x00000002      /* "Math" (fpu) Present */
#define CR0_EM  0x00000004      /* EMulate FPU instructions. (trap ESC only) */
#define CR0_TS  0x00000008      /* Task Switched (if MP, trap ESC and WAIT) */
#define CR0_PG  0x80000000      /* PaGing enable */

/*
 * Bits in 486 special registers:
 */
#define CR0_NE  0x00000020      /* Numeric Error enable (EX16 vs IRQ13) */
#define CR0_WP  0x00010000      /* Write Protect (honor page protect in
                                                           all modes) */
#define CR0_AM  0x00040000      /* Alignment Mask (set to enable AC flag) */
#define CR0_NW  0x20000000      /* Not Write-through */
#define CR0_CD  0x40000000      /* Cache Disable */

#define CR3_PCID_SAVE 0x8000000000000000
#define CR3_PCID_MASK 0xfff

/*
 * Bits in PPro special registers
 */
#define CR4_VME 0x00000001      /* Virtual 8086 mode extensions */
#define CR4_PVI 0x00000002      /* Protected-mode virtual interrupts */
#define CR4_TSD 0x00000004      /* Time stamp disable */
#define CR4_DE  0x00000008      /* Debugging extensions */
#define CR4_PSE 0x00000010      /* Page size extensions */
#define CR4_PAE 0x00000020      /* Physical address extension */
#define CR4_MCE 0x00000040      /* Machine check enable */
#define CR4_PGE 0x00000080      /* Page global enable */
#define CR4_PCE 0x00000100      /* Performance monitoring counter enable */
#define CR4_FXSR 0x00000200     /* Fast FPU save/restore used by OS */
#define CR4_XMM 0x00000400      /* enable SIMD/MMX2 to use except 16 */
#define CR4_UMIP 0x00000800     /* User Mode Instruction Prevention */
#define CR4_LA57 0x00001000     /* Enable 5-level paging */
#define CR4_VMXE 0x00002000     /* enable VMX operation (Intel-specific) */
#define CR4_FSGSBASE 0x00010000 /* Enable FS/GS BASE accessing instructions */
#define CR4_PCIDE 0x00020000    /* Enable Context ID */
#define CR4_XSAVE 0x00040000    /* XSETBV/XGETBV */
#define CR4_SMEP 0x00100000     /* Supervisor-Mode Execution Prevention */
#define CR4_SMAP 0x00200000     /* Supervisor-Mode Access Prevention */
#define CR4_PKE 0x00400000      /* Protection Keys Enable */

/*
 * Bits in AMD64 special registers.  EFER is 64 bits wide.
 */
#define EFER_SCE 0x000000001    /* System Call Extensions (R/W) */
#define EFER_LME 0x000000100    /* Long mode enable (R/W) */
#define EFER_LMA 0x000000400    /* Long mode active (R) */
#define EFER_NXE 0x000000800    /* PTE No-Execute bit enable (R/W) */
#define EFER_SVM 0x000001000    /* SVM enable bit for AMD, reserved for Intel */
#define EFER_LMSLE 0x000002000  /* Long Mode Segment Limit Enable */
#define EFER_FFXSR 0x000004000  /* Fast FXSAVE/FSRSTOR */
#define EFER_TCE   0x000008000  /* Translation Cache Extension */
#define EFER_MCOMMIT    0x00020000      /* Enable MCOMMIT (AMD) */

/*
 * Intel Extended Features registers
 */
#define XCR0    0               /* XFEATURE_ENABLED_MASK register */

#define XFEATURE_ENABLED_X87            0x00000001
#define XFEATURE_ENABLED_SSE            0x00000002
#define XFEATURE_ENABLED_YMM_HI128      0x00000004
#define XFEATURE_ENABLED_AVX            XFEATURE_ENABLED_YMM_HI128
#define XFEATURE_ENABLED_BNDREGS        0x00000008
#define XFEATURE_ENABLED_BNDCSR         0x00000010
#define XFEATURE_ENABLED_OPMASK         0x00000020
#define XFEATURE_ENABLED_ZMM_HI256      0x00000040
#define XFEATURE_ENABLED_HI16_ZMM       0x00000080

#define XFEATURE_AVX                                    \
    (XFEATURE_ENABLED_X87 | XFEATURE_ENABLED_SSE | XFEATURE_ENABLED_AVX)
#define XFEATURE_AVX512                                         \
    (XFEATURE_ENABLED_OPMASK | XFEATURE_ENABLED_ZMM_HI256 |     \
    XFEATURE_ENABLED_HI16_ZMM)
#define XFEATURE_MPX                                    \
    (XFEATURE_ENABLED_BNDREGS | XFEATURE_ENABLED_BNDCSR)

/*
 * CPUID instruction features register
 */
#define CPUID_FPU       0x00000001
#define CPUID_VME       0x00000002
#define CPUID_DE        0x00000004
#define CPUID_PSE       0x00000008
#define CPUID_TSC       0x00000010
#define CPUID_MSR       0x00000020
#define CPUID_PAE       0x00000040
#define CPUID_MCE       0x00000080
#define CPUID_CX8       0x00000100
#define CPUID_APIC      0x00000200
#define CPUID_B10       0x00000400
#define CPUID_SEP       0x00000800
#define CPUID_MTRR      0x00001000
#define CPUID_PGE       0x00002000
#define CPUID_MCA       0x00004000
#define CPUID_CMOV      0x00008000
#define CPUID_PAT       0x00010000
#define CPUID_PSE36     0x00020000
#define CPUID_PSN       0x00040000
#define CPUID_CLFSH     0x00080000
#define CPUID_B20       0x00100000
#define CPUID_DS        0x00200000
#define CPUID_ACPI      0x00400000
#define CPUID_MMX       0x00800000
#define CPUID_FXSR      0x01000000
#define CPUID_SSE       0x02000000
#define CPUID_XMM       0x02000000
#define CPUID_SSE2      0x04000000
#define CPUID_SS        0x08000000
#define CPUID_HTT       0x10000000
#define CPUID_TM        0x20000000
#define CPUID_IA64      0x40000000
#define CPUID_PBE       0x80000000

#define CPUID2_SSE3     0x00000001
#define CPUID2_PCLMULQDQ 0x00000002
#define CPUID2_DTES64   0x00000004
#define CPUID2_MON      0x00000008
#define CPUID2_DS_CPL   0x00000010
#define CPUID2_VMX      0x00000020
#define CPUID2_SMX      0x00000040
#define CPUID2_EST      0x00000080
#define CPUID2_TM2      0x00000100
#define CPUID2_SSSE3    0x00000200
#define CPUID2_CNXTID   0x00000400
#define CPUID2_SDBG     0x00000800
#define CPUID2_FMA      0x00001000
#define CPUID2_CX16     0x00002000
#define CPUID2_XTPR     0x00004000
#define CPUID2_PDCM     0x00008000
#define CPUID2_PCID     0x00020000
#define CPUID2_DCA      0x00040000
#define CPUID2_SSE41    0x00080000
#define CPUID2_SSE42    0x00100000
#define CPUID2_X2APIC   0x00200000
#define CPUID2_MOVBE    0x00400000
#define CPUID2_POPCNT   0x00800000
#define CPUID2_TSCDLT   0x01000000
#define CPUID2_AESNI    0x02000000
#define CPUID2_XSAVE    0x04000000
#define CPUID2_OSXSAVE  0x08000000
#define CPUID2_AVX      0x10000000
#define CPUID2_F16C     0x20000000
#define CPUID2_RDRAND   0x40000000
#define CPUID2_HV       0x80000000

/* Intel Processor Trace CPUID. */

/* Leaf 0 ebx. */
#define CPUPT_CR3               (1 << 0)        /* CR3 Filtering Support */
#define CPUPT_PSB               (1 << 1)        /* Configurable PSB and Cycle-Accurate Mode Supported */
#define CPUPT_IPF               (1 << 2)        /* IP Filtering and TraceStop supported */
#define CPUPT_MTC               (1 << 3)        /* MTC Supported */
#define CPUPT_PRW               (1 << 4)        /* PTWRITE Supported */
#define CPUPT_PWR               (1 << 5)        /* Power Event Trace Supported */

/* Leaf 0 ecx. */
#define CPUPT_TOPA              (1 << 0)        /* ToPA Output Supported */
#define CPUPT_TOPA_MULTI        (1 << 1)        /* ToPA Tables Allow Multiple Output Entries */
#define CPUPT_SINGLE            (1 << 2)        /* Single-Range Output Supported */
#define CPUPT_TT_OUT            (1 << 3)        /* Output to Trace Transport Subsystem Supported */
#define CPUPT_LINEAR_IP         (1 << 31)       /* IP Payloads are Linear IP, otherwise IP is effective */

/* Leaf 1 eax. */
#define CPUPT_NADDR_S           0       /* Number of Address Ranges */
#define CPUPT_NADDR_M           (0x7 << CPUPT_NADDR_S)
#define CPUPT_MTC_BITMAP_S      16      /* Bitmap of supported MTC Period Encodings */
#define CPUPT_MTC_BITMAP_M      (0xffff << CPUPT_MTC_BITMAP_S)

/* Leaf 1 ebx. */
#define CPUPT_CT_BITMAP_S       0       /* Bitmap of supported Cycle Threshold values */
#define CPUPT_CT_BITMAP_M       (0xffff << CPUPT_CT_BITMAP_S)
#define CPUPT_PFE_BITMAP_S      16      /* Bitmap of supported Configurable PSB Frequency encoding */
#define CPUPT_PFE_BITMAP_M      (0xffff << CPUPT_PFE_BITMAP_S)

/*
 * Important bits in the AMD extended cpuid flags
 */
#define AMDID_SYSCALL   0x00000800
#define AMDID_MP        0x00080000
#define AMDID_NX        0x00100000
#define AMDID_EXT_MMX   0x00400000
#define AMDID_FFXSR     0x02000000
#define AMDID_PAGE1GB   0x04000000
#define AMDID_RDTSCP    0x08000000
#define AMDID_LM        0x20000000
#define AMDID_EXT_3DNOW 0x40000000
#define AMDID_3DNOW     0x80000000

#define AMDID2_LAHF     0x00000001
#define AMDID2_CMP      0x00000002
#define AMDID2_SVM      0x00000004
#define AMDID2_EXT_APIC 0x00000008
#define AMDID2_CR8      0x00000010
#define AMDID2_ABM      0x00000020
#define AMDID2_SSE4A    0x00000040
#define AMDID2_MAS      0x00000080
#define AMDID2_PREFETCH 0x00000100
#define AMDID2_OSVW     0x00000200
#define AMDID2_IBS      0x00000400
#define AMDID2_XOP      0x00000800
#define AMDID2_SKINIT   0x00001000
#define AMDID2_WDT      0x00002000
#define AMDID2_LWP      0x00008000
#define AMDID2_FMA4     0x00010000
#define AMDID2_TCE      0x00020000
#define AMDID2_NODE_ID  0x00080000
#define AMDID2_TBM      0x00200000
#define AMDID2_TOPOLOGY 0x00400000
#define AMDID2_PCXC     0x00800000
#define AMDID2_PNXC     0x01000000
#define AMDID2_DBE      0x04000000
#define AMDID2_PTSC     0x08000000
#define AMDID2_PTSCEL2I 0x10000000
#define AMDID2_MWAITX   0x20000000

/*
 * CPUID instruction 1 eax info
 */
#define CPUID_STEPPING          0x0000000f
#define CPUID_MODEL             0x000000f0
#define CPUID_FAMILY            0x00000f00
#define CPUID_EXT_MODEL         0x000f0000
#define CPUID_EXT_FAMILY        0x0ff00000
#ifdef __i386__
#define CPUID_TO_MODEL(id) \
    ((((id) & CPUID_MODEL) >> 4) | \
    ((((id) & CPUID_FAMILY) >= 0x600) ? \
    (((id) & CPUID_EXT_MODEL) >> 12) : 0))
#define CPUID_TO_FAMILY(id) \
    ((((id) & CPUID_FAMILY) >> 8) + \
    ((((id) & CPUID_FAMILY) == 0xf00) ? \
    (((id) & CPUID_EXT_FAMILY) >> 20) : 0))
#else
#define CPUID_TO_MODEL(id) \
    ((((id) & CPUID_MODEL) >> 4) | \
    (((id) & CPUID_EXT_MODEL) >> 12))
#define CPUID_TO_FAMILY(id) \
    ((((id) & CPUID_FAMILY) >> 8) + \
    (((id) & CPUID_EXT_FAMILY) >> 20))
#endif
#define CPUID_TO_STEPPING(id) ((id) & CPUID_STEPPING)

/*
 * CPUID instruction 1 ebx info
 */
#define CPUID_BRAND_INDEX       0x000000ff
#define CPUID_CLFUSH_SIZE       0x0000ff00
#define CPUID_HTT_CORES         0x00ff0000
#define CPUID_LOCAL_APIC_ID     0xff000000

/*
 * CPUID instruction 5 info
 */
#define CPUID5_MON_MIN_SIZE     0x0000ffff      /* eax */
#define CPUID5_MON_MAX_SIZE     0x0000ffff      /* ebx */
#define CPUID5_MON_MWAIT_EXT    0x00000001      /* ecx */
#define CPUID5_MWAIT_INTRBREAK  0x00000002      /* ecx */

/*
 * MWAIT cpu power states.  Lower 4 bits are sub-states.
 */
#define MWAIT_C0        0xf0
#define MWAIT_C1        0x00
#define MWAIT_C2        0x10
#define MWAIT_C3        0x20
#define MWAIT_C4        0x30

/*
 * MWAIT extensions.
 */
/* Interrupt breaks MWAIT even when masked. */
#define MWAIT_INTRBREAK         0x00000001

/*
 * CPUID leaf 6: Thermal and Power management.
 */
/* Eax. */
#define CPUTPM1_SENSOR                  0x00000001
#define CPUTPM1_TURBO                   0x00000002
#define CPUTPM1_ARAT                    0x00000004
#define CPUTPM1_PLN                     0x00000010
#define CPUTPM1_ECMD                    0x00000020
#define CPUTPM1_PTM                     0x00000040
#define CPUTPM1_HWP                     0x00000080
#define CPUTPM1_HWP_NOTIFICATION        0x00000100
#define CPUTPM1_HWP_ACTIVITY_WINDOW     0x00000200
#define CPUTPM1_HWP_PERF_PREF           0x00000400
#define CPUTPM1_HWP_PKG                 0x00000800
#define CPUTPM1_HDC                     0x00002000
#define CPUTPM1_TURBO30                 0x00004000
#define CPUTPM1_HWP_CAPABILITIES        0x00008000
#define CPUTPM1_HWP_PECI_OVR            0x00010000
#define CPUTPM1_HWP_FLEXIBLE            0x00020000
#define CPUTPM1_HWP_FAST_MSR            0x00040000
#define CPUTPM1_HWP_IGN_IDLE            0x00100000

/* Ebx. */
#define CPUTPM_B_NSENSINTTHRESH         0x0000000f

/* Ecx. */
#define CPUID_PERF_STAT                 0x00000001
#define CPUID_PERF_BIAS                 0x00000008

/* 
 * CPUID instruction 0xb ebx info.
 */
#define CPUID_TYPE_INVAL        0
#define CPUID_TYPE_SMT          1
#define CPUID_TYPE_CORE         2

/*
 * CPUID instruction 0xd Processor Extended State Enumeration Sub-leaf 1
 */
#define CPUID_EXTSTATE_XSAVEOPT 0x00000001
#define CPUID_EXTSTATE_XSAVEC   0x00000002
#define CPUID_EXTSTATE_XINUSE   0x00000004
#define CPUID_EXTSTATE_XSAVES   0x00000008

/*
 * AMD extended function 8000_0007h ebx info
 */
#define AMDRAS_MCA_OF_RECOV     0x00000001
#define AMDRAS_SUCCOR           0x00000002
#define AMDRAS_HW_ASSERT        0x00000004
#define AMDRAS_SCALABLE_MCA     0x00000008
#define AMDRAS_PFEH_SUPPORT     0x00000010

/*
 * AMD extended function 8000_0007h edx info
 */
#define AMDPM_TS                0x00000001
#define AMDPM_FID               0x00000002
#define AMDPM_VID               0x00000004
#define AMDPM_TTP               0x00000008
#define AMDPM_TM                0x00000010
#define AMDPM_STC               0x00000020
#define AMDPM_100MHZ_STEPS      0x00000040
#define AMDPM_HW_PSTATE         0x00000080
#define AMDPM_TSC_INVARIANT     0x00000100
#define AMDPM_CPB               0x00000200

/*
 * AMD extended function 8000_0008h ebx info (amd_extended_feature_extensions)
 */
#define AMDFEID_CLZERO          0x00000001
#define AMDFEID_IRPERF          0x00000002
#define AMDFEID_XSAVEERPTR      0x00000004
#define AMDFEID_RDPRU           0x00000010
#define AMDFEID_MCOMMIT         0x00000100
#define AMDFEID_WBNOINVD        0x00000200
#define AMDFEID_IBPB            0x00001000
#define AMDFEID_IBRS            0x00004000
#define AMDFEID_STIBP           0x00008000
/* The below are only defined if the corresponding base feature above exists. */
#define AMDFEID_IBRS_ALWAYSON   0x00010000
#define AMDFEID_STIBP_ALWAYSON  0x00020000
#define AMDFEID_PREFER_IBRS     0x00040000
#define AMDFEID_PPIN            0x00800000
#define AMDFEID_SSBD            0x01000000
/* SSBD via MSRC001_011F instead of MSR 0x48: */
#define AMDFEID_VIRT_SSBD       0x02000000
#define AMDFEID_SSB_NO          0x04000000

/*
 * AMD extended function 8000_0008h ecx info
 */
#define AMDID_CMP_CORES         0x000000ff
#define AMDID_COREID_SIZE       0x0000f000
#define AMDID_COREID_SIZE_SHIFT 12

/*
 * CPUID instruction 7 Structured Extended Features, leaf 0 ebx info
 */
#define CPUID_STDEXT_FSGSBASE   0x00000001
#define CPUID_STDEXT_TSC_ADJUST 0x00000002
#define CPUID_STDEXT_SGX        0x00000004
#define CPUID_STDEXT_BMI1       0x00000008
#define CPUID_STDEXT_HLE        0x00000010
#define CPUID_STDEXT_AVX2       0x00000020
#define CPUID_STDEXT_FDP_EXC    0x00000040
#define CPUID_STDEXT_SMEP       0x00000080
#define CPUID_STDEXT_BMI2       0x00000100
#define CPUID_STDEXT_ERMS       0x00000200
#define CPUID_STDEXT_INVPCID    0x00000400
#define CPUID_STDEXT_RTM        0x00000800
#define CPUID_STDEXT_PQM        0x00001000
#define CPUID_STDEXT_NFPUSG     0x00002000
#define CPUID_STDEXT_MPX        0x00004000
#define CPUID_STDEXT_PQE        0x00008000
#define CPUID_STDEXT_AVX512F    0x00010000
#define CPUID_STDEXT_AVX512DQ   0x00020000
#define CPUID_STDEXT_RDSEED     0x00040000
#define CPUID_STDEXT_ADX        0x00080000
#define CPUID_STDEXT_SMAP       0x00100000
#define CPUID_STDEXT_AVX512IFMA 0x00200000
/* Formerly PCOMMIT */
#define CPUID_STDEXT_CLFLUSHOPT 0x00800000
#define CPUID_STDEXT_CLWB       0x01000000
#define CPUID_STDEXT_PROCTRACE  0x02000000
#define CPUID_STDEXT_AVX512PF   0x04000000
#define CPUID_STDEXT_AVX512ER   0x08000000
#define CPUID_STDEXT_AVX512CD   0x10000000
#define CPUID_STDEXT_SHA        0x20000000
#define CPUID_STDEXT_AVX512BW   0x40000000
#define CPUID_STDEXT_AVX512VL   0x80000000

/*
 * CPUID instruction 7 Structured Extended Features, leaf 0 ecx info
 */
#define CPUID_STDEXT2_PREFETCHWT1       0x00000001
#define CPUID_STDEXT2_AVX512VBMI        0x00000002
#define CPUID_STDEXT2_UMIP              0x00000004
#define CPUID_STDEXT2_PKU               0x00000008
#define CPUID_STDEXT2_OSPKE             0x00000010
#define CPUID_STDEXT2_WAITPKG           0x00000020
#define CPUID_STDEXT2_AVX512VBMI2       0x00000040
#define CPUID_STDEXT2_GFNI              0x00000100
#define CPUID_STDEXT2_VAES              0x00000200
#define CPUID_STDEXT2_VPCLMULQDQ        0x00000400
#define CPUID_STDEXT2_AVX512VNNI        0x00000800
#define CPUID_STDEXT2_AVX512BITALG      0x00001000
#define CPUID_STDEXT2_TME               0x00002000
#define CPUID_STDEXT2_AVX512VPOPCNTDQ   0x00004000
#define CPUID_STDEXT2_LA57              0x00010000
#define CPUID_STDEXT2_RDPID             0x00400000
#define CPUID_STDEXT2_CLDEMOTE          0x02000000
#define CPUID_STDEXT2_MOVDIRI           0x08000000
#define CPUID_STDEXT2_MOVDIR64B         0x10000000
#define CPUID_STDEXT2_ENQCMD            0x20000000
#define CPUID_STDEXT2_SGXLC             0x40000000

/*
 * CPUID instruction 7 Structured Extended Features, leaf 0 edx info
 */
#define CPUID_STDEXT3_AVX5124VNNIW      0x00000004
#define CPUID_STDEXT3_AVX5124FMAPS      0x00000008
#define CPUID_STDEXT3_FSRM              0x00000010
#define CPUID_STDEXT3_AVX512VP2INTERSECT        0x00000100
#define CPUID_STDEXT3_MCUOPT            0x00000200
#define CPUID_STDEXT3_MD_CLEAR          0x00000400
#define CPUID_STDEXT3_TSXFA             0x00002000
#define CPUID_STDEXT3_PCONFIG           0x00040000
#define CPUID_STDEXT3_IBPB              0x04000000
#define CPUID_STDEXT3_STIBP             0x08000000
#define CPUID_STDEXT3_L1D_FLUSH         0x10000000
#define CPUID_STDEXT3_ARCH_CAP          0x20000000
#define CPUID_STDEXT3_CORE_CAP          0x40000000
#define CPUID_STDEXT3_SSBD              0x80000000

/* MSR IA32_ARCH_CAP(ABILITIES) bits */
#define IA32_ARCH_CAP_RDCL_NO   0x00000001
#define IA32_ARCH_CAP_IBRS_ALL  0x00000002
#define IA32_ARCH_CAP_RSBA      0x00000004
#define IA32_ARCH_CAP_SKIP_L1DFL_VMENTRY        0x00000008
#define IA32_ARCH_CAP_SSB_NO    0x00000010
#define IA32_ARCH_CAP_MDS_NO    0x00000020
#define IA32_ARCH_CAP_IF_PSCHANGE_MC_NO 0x00000040
#define IA32_ARCH_CAP_TSX_CTRL  0x00000080
#define IA32_ARCH_CAP_TAA_NO    0x00000100

/* MSR IA32_TSX_CTRL bits */
#define IA32_TSX_CTRL_RTM_DISABLE       0x00000001
#define IA32_TSX_CTRL_TSX_CPUID_CLEAR   0x00000002

/*
 * CPUID manufacturers identifiers
 */
#define AMD_VENDOR_ID           "AuthenticAMD"
#define CENTAUR_VENDOR_ID       "CentaurHauls"
#define CYRIX_VENDOR_ID         "CyrixInstead"
#define INTEL_VENDOR_ID         "GenuineIntel"
#define NEXGEN_VENDOR_ID        "NexGenDriven"
#define NSC_VENDOR_ID           "Geode by NSC"
#define RISE_VENDOR_ID          "RiseRiseRise"
#define SIS_VENDOR_ID           "SiS SiS SiS "
#define TRANSMETA_VENDOR_ID     "GenuineTMx86"
#define UMC_VENDOR_ID           "UMC UMC UMC "
#define HYGON_VENDOR_ID         "HygonGenuine"

/*
 * Model-specific registers for the i386 family
 */
#define MSR_P5_MC_ADDR          0x000
#define MSR_P5_MC_TYPE          0x001
#define MSR_TSC                 0x010
#define MSR_P5_CESR             0x011
#define MSR_P5_CTR0             0x012
#define MSR_P5_CTR1             0x013
#define MSR_IA32_PLATFORM_ID    0x017
#define MSR_APICBASE            0x01b
#define MSR_EBL_CR_POWERON      0x02a
#define MSR_TEST_CTL            0x033
#define MSR_IA32_FEATURE_CONTROL 0x03a
#define MSR_IA32_SPEC_CTRL      0x048
#define MSR_IA32_PRED_CMD       0x049
#define MSR_BIOS_UPDT_TRIG      0x079
#define MSR_BBL_CR_D0           0x088
#define MSR_BBL_CR_D1           0x089
#define MSR_BBL_CR_D2           0x08a
#define MSR_BIOS_SIGN           0x08b
#define MSR_PERFCTR0            0x0c1
#define MSR_PERFCTR1            0x0c2
#define MSR_PLATFORM_INFO       0x0ce
#define MSR_MPERF               0x0e7
#define MSR_APERF               0x0e8
#define MSR_IA32_EXT_CONFIG     0x0ee   /* Undocumented. Core Solo/Duo only */
#define MSR_MTRRcap             0x0fe
#define MSR_IA32_ARCH_CAP       0x10a
#define MSR_IA32_FLUSH_CMD      0x10b
#define MSR_TSX_FORCE_ABORT     0x10f
#define MSR_BBL_CR_ADDR         0x116
#define MSR_BBL_CR_DECC         0x118
#define MSR_BBL_CR_CTL          0x119
#define MSR_BBL_CR_TRIG         0x11a
#define MSR_BBL_CR_BUSY         0x11b
#define MSR_BBL_CR_CTL3         0x11e
#define MSR_IA32_TSX_CTRL       0x122
#define MSR_IA32_MCU_OPT_CTRL   0x123
#define MSR_MISC_FEATURE_ENABLES        0x140
#define MSR_SYSENTER_CS_MSR     0x174
#define MSR_SYSENTER_ESP_MSR    0x175
#define MSR_SYSENTER_EIP_MSR    0x176
#define MSR_MCG_CAP             0x179
#define MSR_MCG_STATUS          0x17a
#define MSR_MCG_CTL             0x17b
#define MSR_EVNTSEL0            0x186
#define MSR_EVNTSEL1            0x187
#define MSR_THERM_CONTROL       0x19a
#define MSR_THERM_INTERRUPT     0x19b
#define MSR_THERM_STATUS        0x19c
#define MSR_IA32_MISC_ENABLE    0x1a0
#define MSR_IA32_TEMPERATURE_TARGET     0x1a2
#define MSR_TURBO_RATIO_LIMIT   0x1ad
#define MSR_TURBO_RATIO_LIMIT1  0x1ae
#define MSR_IA32_ENERGY_PERF_BIAS       0x1b0
#define MSR_DEBUGCTLMSR         0x1d9
#define MSR_LASTBRANCHFROMIP    0x1db
#define MSR_LASTBRANCHTOIP      0x1dc
#define MSR_LASTINTFROMIP       0x1dd
#define MSR_LASTINTTOIP         0x1de
#define MSR_ROB_CR_BKUPTMPDR6   0x1e0
#define MSR_MTRRVarBase         0x200
#define MSR_MTRR64kBase         0x250
#define MSR_MTRR16kBase         0x258
#define MSR_MTRR4kBase          0x268
#define MSR_PAT                 0x277
#define MSR_MC0_CTL2            0x280
#define MSR_MTRRdefType         0x2ff
#define MSR_MC0_CTL             0x400
#define MSR_MC0_STATUS          0x401
#define MSR_MC0_ADDR            0x402
#define MSR_MC0_MISC            0x403
#define MSR_MC1_CTL             0x404
#define MSR_MC1_STATUS          0x405
#define MSR_MC1_ADDR            0x406
#define MSR_MC1_MISC            0x407
#define MSR_MC2_CTL             0x408
#define MSR_MC2_STATUS          0x409
#define MSR_MC2_ADDR            0x40a
#define MSR_MC2_MISC            0x40b
#define MSR_MC3_CTL             0x40c
#define MSR_MC3_STATUS          0x40d
#define MSR_MC3_ADDR            0x40e
#define MSR_MC3_MISC            0x40f
#define MSR_MC4_CTL             0x410
#define MSR_MC4_STATUS          0x411
#define MSR_MC4_ADDR            0x412
#define MSR_MC4_MISC            0x413
#define MSR_MCG_EXT_CTL         0x4d0
#define MSR_RAPL_POWER_UNIT     0x606
#define MSR_PKG_ENERGY_STATUS   0x611
#define MSR_DRAM_ENERGY_STATUS  0x619
#define MSR_PP0_ENERGY_STATUS   0x639
#define MSR_PP1_ENERGY_STATUS   0x641
#define MSR_PPERF               0x64e
#define MSR_TSC_DEADLINE        0x6e0   /* Writes are not serializing */
#define MSR_IA32_PM_ENABLE      0x770
#define MSR_IA32_HWP_CAPABILITIES       0x771
#define MSR_IA32_HWP_REQUEST_PKG        0x772
#define MSR_IA32_HWP_INTERRUPT          0x773
#define MSR_IA32_HWP_REQUEST    0x774
#define MSR_IA32_HWP_STATUS     0x777

/*
 * VMX MSRs
 */
#define MSR_VMX_BASIC           0x480
#define MSR_VMX_PINBASED_CTLS   0x481
#define MSR_VMX_PROCBASED_CTLS  0x482
#define MSR_VMX_EXIT_CTLS       0x483
#define MSR_VMX_ENTRY_CTLS      0x484
#define MSR_VMX_CR0_FIXED0      0x486
#define MSR_VMX_CR0_FIXED1      0x487
#define MSR_VMX_CR4_FIXED0      0x488
#define MSR_VMX_CR4_FIXED1      0x489
#define MSR_VMX_PROCBASED_CTLS2 0x48b
#define MSR_VMX_EPT_VPID_CAP    0x48c
#define MSR_VMX_TRUE_PINBASED_CTLS      0x48d
#define MSR_VMX_TRUE_PROCBASED_CTLS     0x48e
#define MSR_VMX_TRUE_EXIT_CTLS  0x48f
#define MSR_VMX_TRUE_ENTRY_CTLS 0x490

/*
 * X2APIC MSRs.
 * Writes are not serializing.
 */
#define MSR_APIC_000            0x800
#define MSR_APIC_ID             0x802
#define MSR_APIC_VERSION        0x803
#define MSR_APIC_TPR            0x808
#define MSR_APIC_EOI            0x80b
#define MSR_APIC_LDR            0x80d
#define MSR_APIC_SVR            0x80f
#define MSR_APIC_ISR0           0x810
#define MSR_APIC_ISR1           0x811
#define MSR_APIC_ISR2           0x812
#define MSR_APIC_ISR3           0x813
#define MSR_APIC_ISR4           0x814
#define MSR_APIC_ISR5           0x815
#define MSR_APIC_ISR6           0x816
#define MSR_APIC_ISR7           0x817
#define MSR_APIC_TMR0           0x818
#define MSR_APIC_IRR0           0x820
#define MSR_APIC_ESR            0x828
#define MSR_APIC_LVT_CMCI       0x82F
#define MSR_APIC_ICR            0x830
#define MSR_APIC_LVT_TIMER      0x832
#define MSR_APIC_LVT_THERMAL    0x833
#define MSR_APIC_LVT_PCINT      0x834
#define MSR_APIC_LVT_LINT0      0x835
#define MSR_APIC_LVT_LINT1      0x836
#define MSR_APIC_LVT_ERROR      0x837
#define MSR_APIC_ICR_TIMER      0x838
#define MSR_APIC_CCR_TIMER      0x839
#define MSR_APIC_DCR_TIMER      0x83e
#define MSR_APIC_SELF_IPI       0x83f

#define MSR_IA32_XSS            0xda0

/*
 * Intel Processor Trace (PT) MSRs.
 */
#define MSR_IA32_RTIT_OUTPUT_BASE       0x560   /* Trace Output Base Register (R/W) */
#define MSR_IA32_RTIT_OUTPUT_MASK_PTRS  0x561   /* Trace Output Mask Pointers Register (R/W) */
#define MSR_IA32_RTIT_CTL               0x570   /* Trace Control Register (R/W) */
#define  RTIT_CTL_TRACEEN       (1 << 0)
#define  RTIT_CTL_CYCEN         (1 << 1)
#define  RTIT_CTL_OS            (1 << 2)
#define  RTIT_CTL_USER          (1 << 3)
#define  RTIT_CTL_PWREVTEN      (1 << 4)
#define  RTIT_CTL_FUPONPTW      (1 << 5)
#define  RTIT_CTL_FABRICEN      (1 << 6)
#define  RTIT_CTL_CR3FILTER     (1 << 7)
#define  RTIT_CTL_TOPA          (1 << 8)
#define  RTIT_CTL_MTCEN         (1 << 9)
#define  RTIT_CTL_TSCEN         (1 << 10)
#define  RTIT_CTL_DISRETC       (1 << 11)
#define  RTIT_CTL_PTWEN         (1 << 12)
#define  RTIT_CTL_BRANCHEN      (1 << 13)
#define  RTIT_CTL_MTC_FREQ_S    14
#define  RTIT_CTL_MTC_FREQ(n)   ((n) << RTIT_CTL_MTC_FREQ_S)
#define  RTIT_CTL_MTC_FREQ_M    (0xf << RTIT_CTL_MTC_FREQ_S)
#define  RTIT_CTL_CYC_THRESH_S  19
#define  RTIT_CTL_CYC_THRESH_M  (0xf << RTIT_CTL_CYC_THRESH_S)
#define  RTIT_CTL_PSB_FREQ_S    24
#define  RTIT_CTL_PSB_FREQ_M    (0xf << RTIT_CTL_PSB_FREQ_S)
#define  RTIT_CTL_ADDR_CFG_S(n) (32 + (n) * 4)
#define  RTIT_CTL_ADDR0_CFG_S   32
#define  RTIT_CTL_ADDR0_CFG_M   (0xfULL << RTIT_CTL_ADDR0_CFG_S)
#define  RTIT_CTL_ADDR1_CFG_S   36
#define  RTIT_CTL_ADDR1_CFG_M   (0xfULL << RTIT_CTL_ADDR1_CFG_S)
#define  RTIT_CTL_ADDR2_CFG_S   40
#define  RTIT_CTL_ADDR2_CFG_M   (0xfULL << RTIT_CTL_ADDR2_CFG_S)
#define  RTIT_CTL_ADDR3_CFG_S   44
#define  RTIT_CTL_ADDR3_CFG_M   (0xfULL << RTIT_CTL_ADDR3_CFG_S)
#define MSR_IA32_RTIT_STATUS            0x571   /* Tracing Status Register (R/W) */
#define  RTIT_STATUS_FILTEREN   (1 << 0)
#define  RTIT_STATUS_CONTEXTEN  (1 << 1)
#define  RTIT_STATUS_TRIGGEREN  (1 << 2)
#define  RTIT_STATUS_ERROR      (1 << 4)
#define  RTIT_STATUS_STOPPED    (1 << 5)
#define  RTIT_STATUS_PACKETBYTECNT_S    32
#define  RTIT_STATUS_PACKETBYTECNT_M    (0x1ffffULL << RTIT_STATUS_PACKETBYTECNT_S)
#define MSR_IA32_RTIT_CR3_MATCH         0x572   /* Trace Filter CR3 Match Register (R/W) */
#define MSR_IA32_RTIT_ADDR_A(n)         (0x580 + (n) * 2)
#define MSR_IA32_RTIT_ADDR_B(n)         (0x581 + (n) * 2)
#define MSR_IA32_RTIT_ADDR0_A           0x580   /* Region 0 Start Address (R/W) */
#define MSR_IA32_RTIT_ADDR0_B           0x581   /* Region 0 End Address (R/W) */
#define MSR_IA32_RTIT_ADDR1_A           0x582   /* Region 1 Start Address (R/W) */
#define MSR_IA32_RTIT_ADDR1_B           0x583   /* Region 1 End Address (R/W) */
#define MSR_IA32_RTIT_ADDR2_A           0x584   /* Region 2 Start Address (R/W) */
#define MSR_IA32_RTIT_ADDR2_B           0x585   /* Region 2 End Address (R/W) */
#define MSR_IA32_RTIT_ADDR3_A           0x586   /* Region 3 Start Address (R/W) */
#define MSR_IA32_RTIT_ADDR3_B           0x587   /* Region 3 End Address (R/W) */

/* Intel Processor Trace Table of Physical Addresses (ToPA). */
#define TOPA_SIZE_S     6
#define TOPA_SIZE_M     (0xf << TOPA_SIZE_S)
#define TOPA_SIZE_4K    (0 << TOPA_SIZE_S)
#define TOPA_SIZE_8K    (1 << TOPA_SIZE_S)
#define TOPA_SIZE_16K   (2 << TOPA_SIZE_S)
#define TOPA_SIZE_32K   (3 << TOPA_SIZE_S)
#define TOPA_SIZE_64K   (4 << TOPA_SIZE_S)
#define TOPA_SIZE_128K  (5 << TOPA_SIZE_S)
#define TOPA_SIZE_256K  (6 << TOPA_SIZE_S)
#define TOPA_SIZE_512K  (7 << TOPA_SIZE_S)
#define TOPA_SIZE_1M    (8 << TOPA_SIZE_S)
#define TOPA_SIZE_2M    (9 << TOPA_SIZE_S)
#define TOPA_SIZE_4M    (10 << TOPA_SIZE_S)
#define TOPA_SIZE_8M    (11 << TOPA_SIZE_S)
#define TOPA_SIZE_16M   (12 << TOPA_SIZE_S)
#define TOPA_SIZE_32M   (13 << TOPA_SIZE_S)
#define TOPA_SIZE_64M   (14 << TOPA_SIZE_S)
#define TOPA_SIZE_128M  (15 << TOPA_SIZE_S)
#define TOPA_STOP       (1 << 4)
#define TOPA_INT        (1 << 2)
#define TOPA_END        (1 << 0)

/*
 * Constants related to MSR's.
 */
#define APICBASE_RESERVED       0x000002ff
#define APICBASE_BSP            0x00000100
#define APICBASE_X2APIC         0x00000400
#define APICBASE_ENABLED        0x00000800
#define APICBASE_ADDRESS        0xfffff000

/* MSR_IA32_FEATURE_CONTROL related */
#define IA32_FEATURE_CONTROL_LOCK       0x01    /* lock bit */
#define IA32_FEATURE_CONTROL_SMX_EN     0x02    /* enable VMX inside SMX */
#define IA32_FEATURE_CONTROL_VMX_EN     0x04    /* enable VMX outside SMX */
#define IA32_FEATURE_CONTROL_LMCE_EN    0x100000 /* enable local MCE */

/* MSR IA32_MISC_ENABLE */
#define IA32_MISC_EN_FASTSTR    0x0000000000000001ULL
#define IA32_MISC_EN_ATCCE      0x0000000000000008ULL
#define IA32_MISC_EN_PERFMON    0x0000000000000080ULL
#define IA32_MISC_EN_PEBSU      0x0000000000001000ULL
#define IA32_MISC_EN_ESSTE      0x0000000000010000ULL
#define IA32_MISC_EN_MONE       0x0000000000040000ULL
#define IA32_MISC_EN_LIMCPUID   0x0000000000400000ULL
#define IA32_MISC_EN_xTPRD      0x0000000000800000ULL
#define IA32_MISC_EN_XDD        0x0000000400000000ULL

/*
 * IA32_SPEC_CTRL and IA32_PRED_CMD MSRs are described in the Intel'
 * document 336996-001 Speculative Execution Side Channel Mitigations.
 *
 * AMD uses the same MSRs and bit definitions, as described in 111006-B
 * "Indirect Branch Control Extension" and 124441 "Speculative Store Bypass
 * Disable."
 */
/* MSR IA32_SPEC_CTRL */
#define IA32_SPEC_CTRL_IBRS     0x00000001
#define IA32_SPEC_CTRL_STIBP    0x00000002
#define IA32_SPEC_CTRL_SSBD     0x00000004

/* MSR IA32_PRED_CMD */
#define IA32_PRED_CMD_IBPB_BARRIER      0x0000000000000001ULL

/* MSR IA32_FLUSH_CMD */
#define IA32_FLUSH_CMD_L1D      0x00000001

/* MSR IA32_MCU_OPT_CTRL */
#define IA32_RNGDS_MITG_DIS     0x00000001

/* MSR IA32_HWP_CAPABILITIES */
#define IA32_HWP_CAPABILITIES_HIGHEST_PERFORMANCE(x)    (((x) >> 0) & 0xff)
#define IA32_HWP_CAPABILITIES_GUARANTEED_PERFORMANCE(x) (((x) >> 8) & 0xff)
#define IA32_HWP_CAPABILITIES_EFFICIENT_PERFORMANCE(x)  (((x) >> 16) & 0xff)
#define IA32_HWP_CAPABILITIES_LOWEST_PERFORMANCE(x)     (((x) >> 24) & 0xff)

/* MSR IA32_HWP_REQUEST */
#define IA32_HWP_REQUEST_MINIMUM_VALID                  (1ULL << 63)
#define IA32_HWP_REQUEST_MAXIMUM_VALID                  (1ULL << 62)
#define IA32_HWP_REQUEST_DESIRED_VALID                  (1ULL << 61)
#define IA32_HWP_REQUEST_EPP_VALID                      (1ULL << 60)
#define IA32_HWP_REQUEST_ACTIVITY_WINDOW_VALID          (1ULL << 59)
#define IA32_HWP_REQUEST_PACKAGE_CONTROL                (1ULL << 42)
#define IA32_HWP_ACTIVITY_WINDOW                        (0x3ffULL << 32)
#define IA32_HWP_REQUEST_ENERGY_PERFORMANCE_PREFERENCE  (0xffULL << 24)
#define IA32_HWP_DESIRED_PERFORMANCE                    (0xffULL << 16)
#define IA32_HWP_REQUEST_MAXIMUM_PERFORMANCE            (0xffULL << 8)
#define IA32_HWP_MINIMUM_PERFORMANCE                    (0xffULL << 0)

/* MSR IA32_ENERGY_PERF_BIAS */
#define IA32_ENERGY_PERF_BIAS_POLICY_HINT_MASK          (0xfULL << 0)

/*
 * PAT modes.
 */
#define PAT_UNCACHEABLE         0x00
#define PAT_WRITE_COMBINING     0x01
#define PAT_WRITE_THROUGH       0x04
#define PAT_WRITE_PROTECTED     0x05
#define PAT_WRITE_BACK          0x06
#define PAT_UNCACHED            0x07
#define PAT_VALUE(i, m)         ((long long)(m) << (8 * (i)))
#define PAT_MASK(i)             PAT_VALUE(i, 0xff)

/*
 * Constants related to MTRRs
 */
#define MTRR_UNCACHEABLE        0x00
#define MTRR_WRITE_COMBINING    0x01
#define MTRR_WRITE_THROUGH      0x04
#define MTRR_WRITE_PROTECTED    0x05
#define MTRR_WRITE_BACK         0x06
#define MTRR_N64K               8       /* numbers of fixed-size entries */
#define MTRR_N16K               16
#define MTRR_N4K                64
#define MTRR_CAP_WC             0x0000000000000400
#define MTRR_CAP_FIXED          0x0000000000000100
#define MTRR_CAP_VCNT           0x00000000000000ff
#define MTRR_DEF_ENABLE         0x0000000000000800
#define MTRR_DEF_FIXED_ENABLE   0x0000000000000400
#define MTRR_DEF_TYPE           0x00000000000000ff
#define MTRR_PHYSBASE_PHYSBASE  0x000ffffffffff000
#define MTRR_PHYSBASE_TYPE      0x00000000000000ff
#define MTRR_PHYSMASK_PHYSMASK  0x000ffffffffff000
#define MTRR_PHYSMASK_VALID     0x0000000000000800

/*
 * Cyrix configuration registers, accessible as IO ports.
 */
#define CCR0                    0xc0    /* Configuration control register 0 */
#define CCR0_NC0                0x01    /* First 64K of each 1M memory region is
                                                                   non-cacheable */
#define CCR0_NC1                0x02    /* 640K-1M region is non-cacheable */
#define CCR0_A20M               0x04    /* Enables A20M# input pin */
#define CCR0_KEN                0x08    /* Enables KEN# input pin */
#define CCR0_FLUSH              0x10    /* Enables FLUSH# input pin */
#define CCR0_BARB               0x20    /* Flushes internal cache when entering hold
                                                                   state */
#define CCR0_CO                 0x40    /* Cache org: 1=direct mapped, 0=2x set
                                                                   assoc */
#define CCR0_SUSPEND    0x80    /* Enables SUSP# and SUSPA# pins */

#define CCR1                    0xc1    /* Configuration control register 1 */
#define CCR1_RPL                0x01    /* Enables RPLSET and RPLVAL# pins */
#define CCR1_SMI                0x02    /* Enables SMM pins */
#define CCR1_SMAC               0x04    /* System management memory access */
#define CCR1_MMAC               0x08    /* Main memory access */
#define CCR1_NO_LOCK    0x10    /* Negate LOCK# */
#define CCR1_SM3                0x80    /* SMM address space address region 3 */

#define CCR2                    0xc2
#define CCR2_WB                 0x02    /* Enables WB cache interface pins */
#define CCR2_SADS               0x02    /* Slow ADS */
#define CCR2_LOCK_NW    0x04    /* LOCK NW Bit */
#define CCR2_SUSP_HLT   0x08    /* Suspend on HALT */
#define CCR2_WT1                0x10    /* WT region 1 */
#define CCR2_WPR1               0x10    /* Write-protect region 1 */
#define CCR2_BARB               0x20    /* Flushes write-back cache when entering
                                                                   hold state. */
#define CCR2_BWRT               0x40    /* Enables burst write cycles */
#define CCR2_USE_SUSP   0x80    /* Enables suspend pins */

#define CCR3                    0xc3
#define CCR3_SMILOCK    0x01    /* SMM register lock */
#define CCR3_NMI                0x02    /* Enables NMI during SMM */
#define CCR3_LINBRST    0x04    /* Linear address burst cycles */
#define CCR3_SMMMODE    0x08    /* SMM Mode */
#define CCR3_MAPEN0             0x10    /* Enables Map0 */
#define CCR3_MAPEN1             0x20    /* Enables Map1 */
#define CCR3_MAPEN2             0x40    /* Enables Map2 */
#define CCR3_MAPEN3             0x80    /* Enables Map3 */

#define CCR4                    0xe8
#define CCR4_IOMASK             0x07
#define CCR4_MEM                0x08    /* Enables momory bypassing */
#define CCR4_DTE                0x10    /* Enables directory table entry cache */
#define CCR4_FASTFPE    0x20    /* Fast FPU exception */
#define CCR4_CPUID              0x80    /* Enables CPUID instruction */

#define CCR5                    0xe9
#define CCR5_WT_ALLOC   0x01    /* Write-through allocate */
#define CCR5_SLOP               0x02    /* LOOP instruction slowed down */
#define CCR5_LBR1               0x10    /* Local bus region 1 */
#define CCR5_ARREN              0x20    /* Enables ARR region */

#define CCR6                    0xea

#define CCR7                    0xeb

/* Performance Control Register (5x86 only). */
#define PCR0                    0x20
#define PCR0_RSTK               0x01    /* Enables return stack */
#define PCR0_BTB                0x02    /* Enables branch target buffer */
#define PCR0_LOOP               0x04    /* Enables loop */
#define PCR0_AIS                0x08    /* Enables all instrcutions stalled to
                                                                   serialize pipe. */
#define PCR0_MLR                0x10    /* Enables reordering of misaligned loads */
#define PCR0_BTBRT              0x40    /* Enables BTB test register. */
#define PCR0_LSSER              0x80    /* Disable reorder */

/* Device Identification Registers */
#define DIR0                    0xfe
#define DIR1                    0xff

/*
 * Machine Check register constants.
 */
#define MCG_CAP_COUNT           0x000000ff
#define MCG_CAP_CTL_P           0x00000100
#define MCG_CAP_EXT_P           0x00000200
#define MCG_CAP_CMCI_P          0x00000400
#define MCG_CAP_TES_P           0x00000800
#define MCG_CAP_EXT_CNT         0x00ff0000
#define MCG_CAP_SER_P           0x01000000
#define MCG_CAP_EMC_P           0x02000000
#define MCG_CAP_ELOG_P          0x04000000
#define MCG_CAP_LMCE_P          0x08000000
#define MCG_STATUS_RIPV         0x00000001
#define MCG_STATUS_EIPV         0x00000002
#define MCG_STATUS_MCIP         0x00000004
#define MCG_STATUS_LMCS         0x00000008              /* if MCG_CAP_LMCE_P */
#define MCG_CTL_ENABLE          0xffffffffffffffff
#define MCG_CTL_DISABLE         0x0000000000000000
#define MSR_MC_CTL(x)           (MSR_MC0_CTL + (x) * 4)
#define MSR_MC_STATUS(x)        (MSR_MC0_STATUS + (x) * 4)
#define MSR_MC_ADDR(x)          (MSR_MC0_ADDR + (x) * 4)
#define MSR_MC_MISC(x)          (MSR_MC0_MISC + (x) * 4)
#define MSR_MC_CTL2(x)          (MSR_MC0_CTL2 + (x))    /* If MCG_CAP_CMCI_P */
#define MC_STATUS_MCA_ERROR     0x000000000000ffff
#define MC_STATUS_MODEL_ERROR   0x00000000ffff0000
#define MC_STATUS_OTHER_INFO    0x01ffffff00000000
#define MC_STATUS_COR_COUNT     0x001fffc000000000      /* If MCG_CAP_CMCI_P */
#define MC_STATUS_TES_STATUS    0x0060000000000000      /* If MCG_CAP_TES_P */
#define MC_STATUS_AR            0x0080000000000000      /* If MCG_CAP_TES_P */
#define MC_STATUS_S             0x0100000000000000      /* If MCG_CAP_TES_P */
#define MC_STATUS_PCC           0x0200000000000000
#define MC_STATUS_ADDRV         0x0400000000000000
#define MC_STATUS_MISCV         0x0800000000000000
#define MC_STATUS_EN            0x1000000000000000
#define MC_STATUS_UC            0x2000000000000000
#define MC_STATUS_OVER          0x4000000000000000
#define MC_STATUS_VAL           0x8000000000000000
#define MC_MISC_RA_LSB          0x000000000000003f      /* If MCG_CAP_SER_P */
#define MC_MISC_ADDRESS_MODE    0x00000000000001c0      /* If MCG_CAP_SER_P */
#define MC_MISC_PCIE_RID        0x00000000ffff0000
#define MC_MISC_PCIE_FUNC       0x0000000000070000
#define MC_MISC_PCIE_SLOT       0x0000000000f80000
#define MC_MISC_PCIE_BUS        0x00000000ff000000
#define MC_MISC_PCIE_SEG        0x000000ff00000000
#define MC_CTL2_THRESHOLD       0x0000000000007fff
#define MC_CTL2_CMCI_EN         0x0000000040000000
#define MC_AMDNB_BANK           4
#define MC_MISC_AMD_VAL         0x8000000000000000      /* Counter presence valid */
#define MC_MISC_AMD_CNTP        0x4000000000000000      /* Counter present */
#define MC_MISC_AMD_LOCK        0x2000000000000000      /* Register locked */
#define MC_MISC_AMD_INTP        0x1000000000000000      /* Int. type can generate interrupts */
#define MC_MISC_AMD_LVT_MASK    0x00f0000000000000      /* Extended LVT offset */
#define MC_MISC_AMD_LVT_SHIFT   52
#define MC_MISC_AMD_CNTEN       0x0008000000000000      /* Counter enabled */
#define MC_MISC_AMD_INT_MASK    0x0006000000000000      /* Interrupt type */
#define MC_MISC_AMD_INT_LVT     0x0002000000000000      /* Interrupt via Extended LVT */
#define MC_MISC_AMD_INT_SMI     0x0004000000000000      /* SMI */
#define MC_MISC_AMD_OVERFLOW    0x0001000000000000      /* Counter overflow */
#define MC_MISC_AMD_CNT_MASK    0x00000fff00000000      /* Counter value */
#define MC_MISC_AMD_CNT_SHIFT   32
#define MC_MISC_AMD_CNT_MAX     0xfff
#define MC_MISC_AMD_PTR_MASK    0x00000000ff000000      /* Pointer to additional registers */
#define MC_MISC_AMD_PTR_SHIFT   24

/* AMD Scalable MCA */
#define MSR_SMCA_MC0_CTL          0xc0002000
#define MSR_SMCA_MC0_STATUS       0xc0002001
#define MSR_SMCA_MC0_ADDR         0xc0002002
#define MSR_SMCA_MC0_MISC0        0xc0002003
#define MSR_SMCA_MC_CTL(x)       (MSR_SMCA_MC0_CTL + 0x10 * (x))
#define MSR_SMCA_MC_STATUS(x)    (MSR_SMCA_MC0_STATUS + 0x10 * (x))
#define MSR_SMCA_MC_ADDR(x)      (MSR_SMCA_MC0_ADDR + 0x10 * (x))
#define MSR_SMCA_MC_MISC(x)      (MSR_SMCA_MC0_MISC0 + 0x10 * (x))

/*
 * The following four 3-byte registers control the non-cacheable regions.
 * These registers must be written as three separate bytes.
 *
 * NCRx+0: A31-A24 of starting address
 * NCRx+1: A23-A16 of starting address
 * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
 *
 * The non-cacheable region's starting address must be aligned to the
 * size indicated by the NCR_SIZE_xx field.
 */
#define NCR1    0xc4
#define NCR2    0xc7
#define NCR3    0xca
#define NCR4    0xcd

#define NCR_SIZE_0K     0
#define NCR_SIZE_4K     1
#define NCR_SIZE_8K     2
#define NCR_SIZE_16K    3
#define NCR_SIZE_32K    4
#define NCR_SIZE_64K    5
#define NCR_SIZE_128K   6
#define NCR_SIZE_256K   7
#define NCR_SIZE_512K   8
#define NCR_SIZE_1M     9
#define NCR_SIZE_2M     10
#define NCR_SIZE_4M     11
#define NCR_SIZE_8M     12
#define NCR_SIZE_16M    13
#define NCR_SIZE_32M    14
#define NCR_SIZE_4G     15

/*
 * The address region registers are used to specify the location and
 * size for the eight address regions.
 *
 * ARRx + 0: A31-A24 of start address
 * ARRx + 1: A23-A16 of start address
 * ARRx + 2: A15-A12 of start address | ARR_SIZE_xx
 */
#define ARR0    0xc4
#define ARR1    0xc7
#define ARR2    0xca
#define ARR3    0xcd
#define ARR4    0xd0
#define ARR5    0xd3
#define ARR6    0xd6
#define ARR7    0xd9

#define ARR_SIZE_0K             0
#define ARR_SIZE_4K             1
#define ARR_SIZE_8K             2
#define ARR_SIZE_16K    3
#define ARR_SIZE_32K    4
#define ARR_SIZE_64K    5
#define ARR_SIZE_128K   6
#define ARR_SIZE_256K   7
#define ARR_SIZE_512K   8
#define ARR_SIZE_1M             9
#define ARR_SIZE_2M             10
#define ARR_SIZE_4M             11
#define ARR_SIZE_8M             12
#define ARR_SIZE_16M    13
#define ARR_SIZE_32M    14
#define ARR_SIZE_4G             15

/*
 * The region control registers specify the attributes associated with
 * the ARRx addres regions.
 */
#define RCR0    0xdc
#define RCR1    0xdd
#define RCR2    0xde
#define RCR3    0xdf
#define RCR4    0xe0
#define RCR5    0xe1
#define RCR6    0xe2
#define RCR7    0xe3

#define RCR_RCD 0x01    /* Disables caching for ARRx (x = 0-6). */
#define RCR_RCE 0x01    /* Enables caching for ARR7. */
#define RCR_WWO 0x02    /* Weak write ordering. */
#define RCR_WL  0x04    /* Weak locking. */
#define RCR_WG  0x08    /* Write gathering. */
#define RCR_WT  0x10    /* Write-through. */
#define RCR_NLB 0x20    /* LBA# pin is not asserted. */

/* AMD Write Allocate Top-Of-Memory and Control Register */
#define AMD_WT_ALLOC_TME        0x40000 /* top-of-memory enable */
#define AMD_WT_ALLOC_PRE        0x20000 /* programmable range enable */
#define AMD_WT_ALLOC_FRE        0x10000 /* fixed (A0000-FFFFF) range enable */

/* AMD64 MSR's */
#define MSR_EFER        0xc0000080      /* extended features */
#define MSR_STAR        0xc0000081      /* legacy mode SYSCALL target/cs/ss */
#define MSR_LSTAR       0xc0000082      /* long mode SYSCALL target rip */
#define MSR_CSTAR       0xc0000083      /* compat mode SYSCALL target rip */
#define MSR_SF_MASK     0xc0000084      /* syscall flags mask */
#define MSR_FSBASE      0xc0000100      /* base address of the %fs "segment" */
#define MSR_GSBASE      0xc0000101      /* base address of the %gs "segment" */
#define MSR_KGSBASE     0xc0000102      /* base address of the kernel %gs */
#define MSR_TSC_AUX     0xc0000103
#define MSR_PERFEVSEL0  0xc0010000
#define MSR_PERFEVSEL1  0xc0010001
#define MSR_PERFEVSEL2  0xc0010002
#define MSR_PERFEVSEL3  0xc0010003
#define MSR_K7_PERFCTR0 0xc0010004
#define MSR_K7_PERFCTR1 0xc0010005
#define MSR_K7_PERFCTR2 0xc0010006
#define MSR_K7_PERFCTR3 0xc0010007
#define MSR_SYSCFG      0xc0010010
#define MSR_HWCR        0xc0010015
#define MSR_IORRBASE0   0xc0010016
#define MSR_IORRMASK0   0xc0010017
#define MSR_IORRBASE1   0xc0010018
#define MSR_IORRMASK1   0xc0010019
#define MSR_TOP_MEM     0xc001001a      /* boundary for ram below 4G */
#define MSR_TOP_MEM2    0xc001001d      /* boundary for ram above 4G */
#define MSR_NB_CFG1     0xc001001f      /* NB configuration 1 */
#define MSR_K8_UCODE_UPDATE 0xc0010020  /* update microcode */
#define MSR_MC0_CTL_MASK 0xc0010044
#define MSR_AMDK8_IPM   0xc0010055
#define MSR_P_STATE_LIMIT 0xc0010061    /* P-state Current Limit Register */
#define MSR_P_STATE_CONTROL 0xc0010062  /* P-state Control Register */
#define MSR_P_STATE_STATUS 0xc0010063   /* P-state Status Register */
#define MSR_P_STATE_CONFIG(n) (0xc0010064 + (n)) /* P-state Config */
#define MSR_SMM_ADDR    0xc0010112      /* SMM TSEG base address */
#define MSR_SMM_MASK    0xc0010113      /* SMM TSEG address mask */
#define MSR_VM_CR       0xc0010114      /* SVM: feature control */
#define MSR_VM_HSAVE_PA 0xc0010117      /* SVM: host save area address */
#define MSR_AMD_CPUID07 0xc0011002      /* CPUID 07 %ebx override */
#define MSR_EXTFEATURES 0xc0011005      /* Extended CPUID Features override */
#define MSR_LS_CFG      0xc0011020
#define MSR_IC_CFG      0xc0011021      /* Instruction Cache Configuration */
#define MSR_DE_CFG      0xc0011029      /* Decode Configuration */

/* MSR_VM_CR related */
#define VM_CR_SVMDIS            0x10    /* SVM: disabled by BIOS */

#define AMDK8_SMIONCMPHALT      (1ULL << 27)
#define AMDK8_C1EONCMPHALT      (1ULL << 28)

/* VIA ACE crypto featureset: for via_feature_rng */
#define VIA_HAS_RNG             1       /* cpu has RNG */

/* VIA ACE crypto featureset: for via_feature_xcrypt */
#define VIA_HAS_AES             1       /* cpu has AES */
#define VIA_HAS_SHA             2       /* cpu has SHA1 & SHA256 */
#define VIA_HAS_MM              4       /* cpu has RSA instructions */
#define VIA_HAS_AESCTR          8       /* cpu has AES-CTR instructions */

/* Centaur Extended Feature flags */
#define VIA_CPUID_HAS_RNG       0x000004
#define VIA_CPUID_DO_RNG        0x000008
#define VIA_CPUID_HAS_ACE       0x000040
#define VIA_CPUID_DO_ACE        0x000080
#define VIA_CPUID_HAS_ACE2      0x000100
#define VIA_CPUID_DO_ACE2       0x000200
#define VIA_CPUID_HAS_PHE       0x000400
#define VIA_CPUID_DO_PHE        0x000800
#define VIA_CPUID_HAS_PMM       0x001000
#define VIA_CPUID_DO_PMM        0x002000

/* VIA ACE xcrypt-* instruction context control options */
#define VIA_CRYPT_CWLO_ROUND_M          0x0000000f
#define VIA_CRYPT_CWLO_ALG_M            0x00000070
#define VIA_CRYPT_CWLO_ALG_AES          0x00000000
#define VIA_CRYPT_CWLO_KEYGEN_M         0x00000080
#define VIA_CRYPT_CWLO_KEYGEN_HW        0x00000000
#define VIA_CRYPT_CWLO_KEYGEN_SW        0x00000080
#define VIA_CRYPT_CWLO_NORMAL           0x00000000
#define VIA_CRYPT_CWLO_INTERMEDIATE     0x00000100
#define VIA_CRYPT_CWLO_ENCRYPT          0x00000000
#define VIA_CRYPT_CWLO_DECRYPT          0x00000200
#define VIA_CRYPT_CWLO_KEY128           0x0000000a      /* 128bit, 10 rds */
#define VIA_CRYPT_CWLO_KEY192           0x0000040c      /* 192bit, 12 rds */
#define VIA_CRYPT_CWLO_KEY256           0x0000080e      /* 256bit, 15 rds */

#endif /* !_MACHINE_SPECIALREG_H_ */