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/* $OpenBSD: specialreg.h,v 1.24 2004/06/25 01:02:53 tom Exp $ */
/* $NetBSD: specialreg.h,v 1.7 1994/10/27 04:16:26 cgd Exp $ */
/*-
* 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.
*
* @(#)specialreg.h 7.1 (Berkeley) 5/9/91
*/
/*
* Bits in 386 special registers:
*/
#define CR0_PE 0x00000001 /* Protected mode Enable */
#define CR0_MP 0x00000002 /* "Math" Present (NPX or NPX emulator) */
#define CR0_EM 0x00000004 /* EMulate non-NPX coproc. (trap ESC only) */
#define CR0_TS 0x00000008 /* Task Switched (if MP, trap ESC and WAIT) */
#define CR0_ET 0x00000010 /* Extension Type (387 (if set) vs 287) */
#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 PG_RW 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 */
/*
* Cyrix 486 DLC special registers, accessable 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 */
/* the remaining 7 bits of this register are reserved */
/*
* bits in the pentiums %cr4 register:
*/
#define CR4_VME 0x00000001 /* virtual 8086 mode extension enable */
#define CR4_PVI 0x00000002 /* protected mode virtual interrupt enable */
#define CR4_TSD 0x00000004 /* restrict RDTSC instruction to cpl 0 only */
#define CR4_DE 0x00000008 /* debugging extension */
#define CR4_PSE 0x00000010 /* large (4MB) page size enable */
#define CR4_PAE 0x00000020 /* physical address extension enable */
#define CR4_MCE 0x00000040 /* machine check enable */
#define CR4_PGE 0x00000080 /* page global enable */
#define CR4_PCE 0x00000100 /* enable RDPMC instruction for all cpls */
#define CR4_OSFXSR 0x00000200 /* enable SSE instructions (P6 & later) */
#define CR4_OSXMMEXCPT 0x00000400 /* enable SSE instructions (P6 & later) */
/*
* CPUID "features" (and "extended features") bits:
*/
#define CPUID_FPU 0x00000001 /* processor has an FPU? */
#define CPUID_VME 0x00000002 /* has virtual mode (%cr4's VME/PVI) */
#define CPUID_DE 0x00000004 /* has debugging extension */
#define CPUID_PSE 0x00000008 /* has 4MB page size extension */
#define CPUID_TSC 0x00000010 /* has time stamp counter */
#define CPUID_MSR 0x00000020 /* has mode specific registers */
#define CPUID_PAE 0x00000040 /* has phys address extension */
#define CPUID_MCE 0x00000080 /* has machine check exception */
#define CPUID_CX8 0x00000100 /* has CMPXCHG8B instruction */
#define CPUID_APIC 0x00000200 /* has enabled APIC */
#define CPUID_SYS1 0x00000400 /* has SYSCALL/SYSRET inst. (Cyrix) */
#define CPUID_SEP 0x00000800 /* has SYSCALL/SYSRET inst. (AMD/Intel) */
#define CPUID_MTRR 0x00001000 /* has memory type range register */
#define CPUID_PGE 0x00002000 /* has page global extension */
#define CPUID_MCA 0x00004000 /* has machine check architecture */
#define CPUID_CMOV 0x00008000 /* has CMOVcc instruction */
#define CPUID_PAT 0x00010000 /* has page attribute table */
#define CPUID_PSE36 0x00020000 /* has 36bit page size extension */
#define CPUID_SER 0x00040000 /* has processor serial number */
#define CPUID_CFLUSH 0x00080000 /* CFLUSH insn supported */
#define CPUID_B20 0x00100000 /* reserved */
#define CPUID_DS 0x00200000 /* Debug Store */
#define CPUID_ACPI 0x00400000 /* ACPI performance modulation regs */
#define CPUID_MMX 0x00800000 /* has MMX instructions */
#define CPUID_FXSR 0x01000000 /* has FXRSTOR instruction (Intel) */
#define CPUID_EMMX 0x01000000 /* has extended MMX (Cyrix; obsolete) */
#define CPUID_SSE 0x02000000 /* has SSE instructions */
#define CPUID_SSE2 0x04000000 /* has SSE2 instructions */
#define CPUID_SS 0x08000000 /* self-snoop */
#define CPUID_HTT 0x10000000 /* hyper-threading tech */
#define CPUID_TM 0x20000000 /* thermal monitor (TCC) */
#define CPUID_B30 0x40000000 /* reserved */
#define CPUID_SBF 0x80000000 /* signal break on FERR */
/*
* Note: The 3DNOW flag does not really belong in this feature set since it is
* returned by the cpuid instruction when called with 0x80000001 in eax rather
* than 0x00000001, but cyrix3_cpu_setup() moves it to a reserved bit of the
* feature set for simplicity
*/
#define CPUID_3DNOW 0x40000000 /* has 3DNow! instructions (AMD) */
#define CPUID_LONG 0x20000000 /* long mode (AMD64, ext cpuid) */
#define CPUIDECX_PNI 0x00000001 /* Prescott New Instructions */
#define CPUIDECX_MWAIT 0x00000008 /* Monitor/Mwait */
#define CPUIDECX_EST 0x00000080 /* enhanced SpeedStep */
#define CPUIDECX_TM2 0x00000100 /* thermal monitor 2 */
#define CPUIDECX_CNXTID 0x00000400 /* Context ID */
/*
* Model-specific registers for the i386 family
*/
#define MSR_P5_MC_ADDR 0x000
#define MSR_P5_MC_TYPE 0x001
#define MSR_TSC 0x010
#define P5MSR_CTRSEL 0x011 /* P5 only (trap on P6) */
#define P5MSR_CTR0 0x012 /* P5 only (trap on P6) */
#define P5MSR_CTR1 0x013 /* P5 only (trap on P6) */
#define MSR_APICBASE 0x01b
#define MSR_EBL_CR_POWERON 0x02a
#define MSR_EBC_FREQUENCY_ID 0x02c /* Pentium 4 only */
#define MSR_TEST_CTL 0x033
#define MSR_BIOS_UPDT_TRIG 0x079
#define MSR_BBL_CR_D0 0x088 /* PII+ only */
#define MSR_BBL_CR_D1 0x089 /* PII+ only */
#define MSR_BBL_CR_D2 0x08a /* PII+ only */
#define MSR_BIOS_SIGN 0x08b
#define P6MSR_CTR0 0x0c1
#define P6MSR_CTR1 0x0c2
#define MSR_MTRRcap 0x0fe
#define MSR_BBL_CR_ADDR 0x116 /* PII+ only */
#define MSR_BBL_CR_DECC 0x118 /* PII+ only */
#define MSR_BBL_CR_CTL 0x119 /* PII+ only */
#define MSR_BBL_CR_TRIG 0x11a /* PII+ only */
#define MSR_BBL_CR_BUSY 0x11b /* PII+ only */
#define MSR_BBL_CR_CTR3 0x11e /* PII+ only */
#define MSR_SYSENTER_CS 0x174
#define MSR_SYSENTER_ESP 0x175
#define MSR_SYSENTER_EIP 0x176
#define MSR_MCG_CAP 0x179
#define MSR_MCG_STATUS 0x17a
#define MSR_MCG_CTL 0x17b
#define P6MSR_CTRSEL0 0x186
#define P6MSR_CTRSEL1 0x187
#define MSR_PERF_STATUS 0x198 /* Pentium M */
#define MSR_PERF_CTL 0x199 /* Pentium M */
#define MSR_THERM_CONTROL 0x19a
#define MSR_THERM_INTERRUPT 0x19b
#define MSR_THERM_STATUS 0x19c
#define MSR_THERM2_CTL 0x19d /* Pentium M */
#define MSR_MISC_ENABLE 0x1a0
#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_MTRRphysMask0 0x201
#define MSR_MTRRphysBase1 0x202
#define MSR_MTRRphysMask1 0x203
#define MSR_MTRRphysBase2 0x204
#define MSR_MTRRphysMask2 0x205
#define MSR_MTRRphysBase3 0x206
#define MSR_MTRRphysMask3 0x207
#define MSR_MTRRphysBase4 0x208
#define MSR_MTRRphysMask4 0x209
#define MSR_MTRRphysBase5 0x20a
#define MSR_MTRRphysMask5 0x20b
#define MSR_MTRRphysBase6 0x20c
#define MSR_MTRRphysMask6 0x20d
#define MSR_MTRRphysBase7 0x20e
#define MSR_MTRRphysMask7 0x20f
#define MSR_MTRR64kBase 0x250
#define MSR_MTRR16kBase 0x258
#define MSR_MTRRfix16K_A0000 0x259
#define MSR_MTRR4kBase 0x268
#define MSR_MTRRfix4K_C8000 0x269
#define MSR_MTRRfix4K_D0000 0x26a
#define MSR_MTRRfix4K_D8000 0x26b
#define MSR_MTRRfix4K_E0000 0x26c
#define MSR_MTRRfix4K_E8000 0x26d
#define MSR_MTRRfix4K_F0000 0x26e
#define MSR_MTRRfix4K_F8000 0x26f
#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_MC4_CTL 0x40c
#define MSR_MC4_STATUS 0x40d
#define MSR_MC4_ADDR 0x40e
#define MSR_MC4_MISC 0x40f
#define MSR_MC3_CTL 0x410
#define MSR_MC3_STATUS 0x411
#define MSR_MC3_ADDR 0x412
#define MSR_MC3_MISC 0x413
/* AMD MSRs */
#define MSR_K6_EPMR 0xc0000086
/*
* Constants related to MTRRs
*/
#define MTRR_N64K 8 /* numbers of fixed-size entries */
#define MTRR_N16K 16
#define MTRR_N4K 64
/*
* 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
/*
* Performance monitor events.
*
* Note that 586-class and 686-class CPUs have different performance
* monitors available, and they are accessed differently:
*
* 686-class: `rdpmc' instruction
* 586-class: `rdmsr' instruction, CESR MSR
*
* The descriptions of these events are too lenghy to include here.
* See Appendix A of "Intel Architecture Software Developer's
* Manual, Volume 3: System Programming" for more information.
*/
/*
* 586-class CESR MSR format. Lower 16 bits is CTR0, upper 16 bits
* is CTR1.
*/
#define PMC5_CESR_EVENT 0x003f
#define PMC5_CESR_OS 0x0040
#define PMC5_CESR_USR 0x0080
#define PMC5_CESR_E 0x0100
#define PMC5_CESR_P 0x0200
/*
* 686-class Event Selector MSR format.
*/
#define PMC6_EVTSEL_EVENT 0x000000ff
#define PMC6_EVTSEL_UNIT 0x0000ff00
#define PMC6_EVTSEL_UNIT_SHIFT 8
#define PMC6_EVTSEL_USR (1 << 16)
#define PMC6_EVTSEL_OS (1 << 17)
#define PMC6_EVTSEL_E (1 << 18)
#define PMC6_EVTSEL_PC (1 << 19)
#define PMC6_EVTSEL_INT (1 << 20)
#define PMC6_EVTSEL_EN (1 << 22) /* PerfEvtSel0 only */
#define PMC6_EVTSEL_INV (1 << 23)
#define PMC6_EVTSEL_COUNTER_MASK 0xff000000
#define PMC6_EVTSEL_COUNTER_MASK_SHIFT 24
/* Data Cache Unit */
#define PMC6_DATA_MEM_REFS 0x43
#define PMC6_DCU_LINES_IN 0x45
#define PMC6_DCU_M_LINES_IN 0x46
#define PMC6_DCU_M_LINES_OUT 0x47
#define PMC6_DCU_MISS_OUTSTANDING 0x48
/* Instruction Fetch Unit */
#define PMC6_IFU_IFETCH 0x80
#define PMC6_IFU_IFETCH_MISS 0x81
#define PMC6_ITLB_MISS 0x85
#define PMC6_IFU_MEM_STALL 0x86
#define PMC6_ILD_STALL 0x87
/* L2 Cache */
#define PMC6_L2_IFETCH 0x28
#define PMC6_L2_LD 0x29
#define PMC6_L2_ST 0x2a
#define PMC6_L2_LINES_IN 0x24
#define PMC6_L2_LINES_OUT 0x26
#define PMC6_L2_M_LINES_INM 0x25
#define PMC6_L2_M_LINES_OUTM 0x27
#define PMC6_L2_RQSTS 0x2e
#define PMC6_L2_ADS 0x21
#define PMC6_L2_DBUS_BUSY 0x22
#define PMC6_L2_DBUS_BUSY_RD 0x23
/* External Bus Logic */
#define PMC6_BUS_DRDY_CLOCKS 0x62
#define PMC6_BUS_LOCK_CLOCKS 0x63
#define PMC6_BUS_REQ_OUTSTANDING 0x60
#define PMC6_BUS_TRAN_BRD 0x65
#define PMC6_BUS_TRAN_RFO 0x66
#define PMC6_BUS_TRANS_WB 0x67
#define PMC6_BUS_TRAN_IFETCH 0x68
#define PMC6_BUS_TRAN_INVAL 0x69
#define PMC6_BUS_TRAN_PWR 0x6a
#define PMC6_BUS_TRANS_P 0x6b
#define PMC6_BUS_TRANS_IO 0x6c
#define PMC6_BUS_TRAN_DEF 0x6d
#define PMC6_BUS_TRAN_BURST 0x6e
#define PMC6_BUS_TRAN_ANY 0x70
#define PMC6_BUS_TRAN_MEM 0x6f
#define PMC6_BUS_DATA_RCV 0x64
#define PMC6_BUS_BNR_DRV 0x61
#define PMC6_BUS_HIT_DRV 0x7a
#define PMC6_BUS_HITM_DRDV 0x7b
#define PMC6_BUS_SNOOP_STALL 0x7e
/* Floating Point Unit */
#define PMC6_FLOPS 0xc1
#define PMC6_FP_COMP_OPS_EXE 0x10
#define PMC6_FP_ASSIST 0x11
#define PMC6_MUL 0x12
#define PMC6_DIV 0x12
#define PMC6_CYCLES_DIV_BUSY 0x14
/* Memory Ordering */
#define PMC6_LD_BLOCKS 0x03
#define PMC6_SB_DRAINS 0x04
#define PMC6_MISALIGN_MEM_REF 0x05
#define PMC6_EMON_KNI_PREF_DISPATCHED 0x07 /* P-III only */
#define PMC6_EMON_KNI_PREF_MISS 0x4b /* P-III only */
/* Instruction Decoding and Retirement */
#define PMC6_INST_RETIRED 0xc0
#define PMC6_UOPS_RETIRED 0xc2
#define PMC6_INST_DECODED 0xd0
#define PMC6_EMON_KNI_INST_RETIRED 0xd8
#define PMC6_EMON_KNI_COMP_INST_RET 0xd9
/* Interrupts */
#define PMC6_HW_INT_RX 0xc8
#define PMC6_CYCLES_INT_MASKED 0xc6
#define PMC6_CYCLES_INT_PENDING_AND_MASKED 0xc7
/* Branches */
#define PMC6_BR_INST_RETIRED 0xc4
#define PMC6_BR_MISS_PRED_RETIRED 0xc5
#define PMC6_BR_TAKEN_RETIRED 0xc9
#define PMC6_BR_MISS_PRED_TAKEN_RET 0xca
#define PMC6_BR_INST_DECODED 0xe0
#define PMC6_BTB_MISSES 0xe2
#define PMC6_BR_BOGUS 0xe4
#define PMC6_BACLEARS 0xe6
/* Stalls */
#define PMC6_RESOURCE_STALLS 0xa2
#define PMC6_PARTIAL_RAT_STALLS 0xd2
/* Segment Register Loads */
#define PMC6_SEGMENT_REG_LOADS 0x06
/* Clocks */
#define PMC6_CPU_CLK_UNHALTED 0x79
/* MMX Unit */
#define PMC6_MMX_INSTR_EXEC 0xb0 /* Celeron, P-II, P-IIX only */
#define PMC6_MMX_SAT_INSTR_EXEC 0xb1 /* P-II and P-III only */
#define PMC6_MMX_UOPS_EXEC 0xb2 /* P-II and P-III only */
#define PMC6_MMX_INSTR_TYPE_EXEC 0xb3 /* P-II and P-III only */
#define PMC6_FP_MMX_TRANS 0xcc /* P-II and P-III only */
#define PMC6_MMX_ASSIST 0xcd /* P-II and P-III only */
#define PMC6_MMX_INSTR_RET 0xc3 /* P-II only */
/* Segment Register Renaming */
#define PMC6_SEG_RENAME_STALLS 0xd4 /* P-II and P-III only */
#define PMC6_SEG_REG_RENAMES 0xd5 /* P-II and P-III only */
#define PMC6_RET_SEG_RENAMES 0xd6 /* P-II and P-III only */
/* VIA C3 crypto featureset: for i386_has_xcrypt */
#define C3_HAS_AES 1 /* cpu has AES */
#define C3_HAS_SHA 2 /* cpu has SHA1 & SHA256 */
#define C3_HAS_MM 4 /* cpu has RSA instructions */
/* VIA C3 xcrypt-* instruction context control options */
#define C3_CRYPT_CWLO_ROUND_M 0x0000000f
#define C3_CRYPT_CWLO_ALG_M 0x00000070
#define C3_CRYPT_CWLO_ALG_AES 0x00000000
#define C3_CRYPT_CWLO_KEYGEN_M 0x00000080
#define C3_CRYPT_CWLO_KEYGEN_HW 0x00000000
#define C3_CRYPT_CWLO_KEYGEN_SW 0x00000080
#define C3_CRYPT_CWLO_NORMAL 0x00000000
#define C3_CRYPT_CWLO_INTERMEDIATE 0x00000100
#define C3_CRYPT_CWLO_ENCRYPT 0x00000000
#define C3_CRYPT_CWLO_DECRYPT 0x00000200
#define C3_CRYPT_CWLO_KEY128 0x0000000a /* 128bit, 10 rds */
#define C3_CRYPT_CWLO_KEY192 0x0000040c /* 192bit, 12 rds */
#define C3_CRYPT_CWLO_KEY256 0x0000080e /* 256bit, 15 rds */
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