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specialreg.h revision 1.23
      1 /*	$NetBSD: specialreg.h,v 1.23 2008/02/03 06:19:06 xtraeme Exp $	*/
      2 
      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  *	@(#)specialreg.h	7.1 (Berkeley) 5/9/91
     32  */
     33 
     34 /*
     35  * Bits in 386 special registers:
     36  */
     37 #define	CR0_PE	0x00000001	/* Protected mode Enable */
     38 #define	CR0_MP	0x00000002	/* "Math" Present (NPX or NPX emulator) */
     39 #define	CR0_EM	0x00000004	/* EMulate non-NPX coproc. (trap ESC only) */
     40 #define	CR0_TS	0x00000008	/* Task Switched (if MP, trap ESC and WAIT) */
     41 #define	CR0_ET	0x00000010	/* Extension Type (387 (if set) vs 287) */
     42 #define	CR0_PG	0x80000000	/* PaGing enable */
     43 
     44 /*
     45  * Bits in 486 special registers:
     46  */
     47 #define CR0_NE	0x00000020	/* Numeric Error enable (EX16 vs IRQ13) */
     48 #define CR0_WP	0x00010000	/* Write Protect (honor PG_RW in all modes) */
     49 #define CR0_AM	0x00040000	/* Alignment Mask (set to enable AC flag) */
     50 #define	CR0_NW	0x20000000	/* Not Write-through */
     51 #define	CR0_CD	0x40000000	/* Cache Disable */
     52 
     53 /*
     54  * Cyrix 486 DLC special registers, accessible as IO ports.
     55  */
     56 #define CCR0	0xc0		/* configuration control register 0 */
     57 #define CCR0_NC0	0x01	/* first 64K of each 1M memory region is non-cacheable */
     58 #define CCR0_NC1	0x02	/* 640K-1M region is non-cacheable */
     59 #define CCR0_A20M	0x04	/* enables A20M# input pin */
     60 #define CCR0_KEN	0x08	/* enables KEN# input pin */
     61 #define CCR0_FLUSH	0x10	/* enables FLUSH# input pin */
     62 #define CCR0_BARB	0x20	/* flushes internal cache when entering hold state */
     63 #define CCR0_CO		0x40	/* cache org: 1=direct mapped, 0=2x set assoc */
     64 #define CCR0_SUSPEND	0x80	/* enables SUSP# and SUSPA# pins */
     65 
     66 #define CCR1	0xc1		/* configuration control register 1 */
     67 #define CCR1_RPL	0x01	/* enables RPLSET and RPLVAL# pins */
     68 /* the remaining 7 bits of this register are reserved */
     69 
     70 /*
     71  * bits in the pentiums %cr4 register:
     72  */
     73 
     74 #define CR4_VME	0x00000001	/* virtual 8086 mode extension enable */
     75 #define CR4_PVI 0x00000002	/* protected mode virtual interrupt enable */
     76 #define CR4_TSD 0x00000004	/* restrict RDTSC instruction to cpl 0 only */
     77 #define CR4_DE	0x00000008	/* debugging extension */
     78 #define CR4_PSE	0x00000010	/* large (4MB) page size enable */
     79 #define CR4_PAE 0x00000020	/* physical address extension enable */
     80 #define CR4_MCE	0x00000040	/* machine check enable */
     81 #define CR4_PGE	0x00000080	/* page global enable */
     82 #define CR4_PCE	0x00000100	/* enable RDPMC instruction for all cpls */
     83 #define CR4_OSFXSR	0x00000200	/* enable fxsave/fxrestor and SSE */
     84 #define CR4_OSXMMEXCPT	0x00000400	/* enable unmasked SSE exceptions */
     85 
     86 /*
     87  * CPUID "features" bits in %edx
     88  */
     89 
     90 #define	CPUID_FPU	0x00000001	/* processor has an FPU? */
     91 #define	CPUID_VME	0x00000002	/* has virtual mode (%cr4's VME/PVI) */
     92 #define	CPUID_DE	0x00000004	/* has debugging extension */
     93 #define	CPUID_PSE	0x00000008	/* has page 4MB page size extension */
     94 #define	CPUID_TSC	0x00000010	/* has time stamp counter */
     95 #define	CPUID_MSR	0x00000020	/* has mode specific registers */
     96 #define	CPUID_PAE	0x00000040	/* has phys address extension */
     97 #define	CPUID_MCE	0x00000080	/* has machine check exception */
     98 #define	CPUID_CX8	0x00000100	/* has CMPXCHG8B instruction */
     99 #define	CPUID_APIC	0x00000200	/* has enabled APIC */
    100 #define	CPUID_B10	0x00000400	/* reserved, MTRR */
    101 #define	CPUID_SEP	0x00000800	/* has SYSENTER/SYSEXIT extension */
    102 #define	CPUID_MTRR	0x00001000	/* has memory type range register */
    103 #define	CPUID_PGE	0x00002000	/* has page global extension */
    104 #define	CPUID_MCA	0x00004000	/* has machine check architecture */
    105 #define	CPUID_CMOV	0x00008000	/* has CMOVcc instruction */
    106 #define	CPUID_PAT	0x00010000	/* Page Attribute Table */
    107 #define	CPUID_PSE36	0x00020000	/* 36-bit PSE */
    108 #define	CPUID_PN	0x00040000	/* processor serial number */
    109 #define	CPUID_CFLUSH	0x00080000	/* CFLUSH insn supported */
    110 #define	CPUID_B20	0x00100000	/* reserved */
    111 #define	CPUID_DS	0x00200000	/* Debug Store */
    112 #define	CPUID_ACPI	0x00400000	/* ACPI performance modulation regs */
    113 #define	CPUID_MMX	0x00800000	/* MMX supported */
    114 #define	CPUID_FXSR	0x01000000	/* fast FP/MMX save/restore */
    115 #define	CPUID_SSE	0x02000000	/* streaming SIMD extensions */
    116 #define	CPUID_SSE2	0x04000000	/* streaming SIMD extensions #2 */
    117 #define	CPUID_SS	0x08000000	/* self-snoop */
    118 #define	CPUID_HTT	0x10000000	/* Hyper-Threading Technology */
    119 #define	CPUID_TM	0x20000000	/* thermal monitor (TCC) */
    120 #define	CPUID_IA64	0x40000000	/* IA-64 architecture */
    121 #define	CPUID_SBF	0x80000000	/* signal break on FERR */
    122 
    123 #define CPUID_FLAGS1	"\20\1FPU\2VME\3DE\4PSE\5TSC\6MSR\7PAE" \
    124 			    "\10MCE\11CX8\12APIC\13B10\14SEP\15MTRR"
    125 #define CPUID_MASK1	0x00001fff
    126 #define CPUID_FLAGS2	"\20\16PGE\17MCA\20CMOV\21PAT\22PSE36\23PN\24CFLUSH" \
    127 			    "\25B20\26DS\27ACPI\30MMX"
    128 #define CPUID_MASK2	0x00ffe000
    129 #define CPUID_FLAGS3	"\20\31FXSR\32SSE\33SSE2\34SS\35HTT\36TM\37IA64\40SBF"
    130 #define CPUID_MASK3	0xff000000
    131 
    132 /*
    133  * CPUID Intel extended features
    134  */
    135 #define CPUID_SYSCALL	0x00000800	/* SYSCALL/SYSRET */
    136 #define CPUID_XD	0x00100000	/* Execute Disable */
    137 #define CPUID_EM64T	0x20000000	/* Intel EM64T */
    138 
    139 #define CPUID_MASK4	0x20100800
    140 #define CPUID_FLAGS4	"\20\14SYSCALL/SYSRET\25XD\36EM64T"
    141 
    142 /*
    143  * AMD/VIA processor specific flags.
    144  */
    145 
    146 #define CPUID_MPC	0x00080000	/* Multiprocessing Capable */
    147 #define CPUID_NOX	0x00100000	/* No Execute Page Protection */
    148 #define CPUID_MMXX	0x00400000	/* AMD MMX Extensions */
    149 #define CPUID_RDTSCP	0x08000000	/* Read TSC Pair Instruction */
    150 #define CPUID_3DNOW2	0x40000000	/* 3DNow! Instruction Extension */
    151 #define CPUID_3DNOW	0x80000000	/* 3DNow! Instructions */
    152 
    153 #define CPUID_EXT_FLAGS2	"\20\16PGE\17MCA\20CMOV\21PAT\22PSE36\23PN" \
    154 				    "\24MPC\25NOX\26B21\27MMXX\30MMX"
    155 #define CPUID_EXT_FLAGS3	"\20\31FXSR\32SSE\33SSE2\34RDTSCP\35HTT" \
    156 				    "\36LONG\0373DNOW2\0403DNOW"
    157 
    158 /*
    159  * Centaur Extended Feature flags
    160  */
    161 #define CPUID_VIA_HAS_RNG	0x00000004	/* Random number generator */
    162 #define CPUID_VIA_DO_RNG	0x00000008
    163 #define CPUID_VIA_HAS_ACE	0x00000040	/* AES Encryption */
    164 #define CPUID_VIA_DO_ACE	0x00000080
    165 #define CPUID_VIA_HAS_ACE2	0x00000100	/* AES+CTR instructions */
    166 #define CPUID_VIA_DO_ACE2	0x00000200
    167 #define CPUID_VIA_HAS_PHE	0x00000400	/* SHA1+SHA256 HMAC */
    168 #define CPUID_VIA_DO_PHE	0x00000800
    169 #define CPUID_VIA_HAS_PMM	0x00001000	/* RSA Instructions */
    170 #define CPUID_VIA_DO_PMM	0x00002000
    171 
    172 #define CPUID_FLAGS_PADLOCK	"\20\3RNG\7AES\11AES/CTR\13SHA1/SHA256\15RSA"
    173 
    174 /*
    175  * CPUID "features" bits in %ecx
    176  */
    177 
    178 #define	CPUID2_SSE3	0x00000001	/* Streaming SIMD Extensions 3 */
    179 #define	CPUID2_DTES64	0x00000004	/* 64-bit Debug Trace */
    180 #define	CPUID2_MONITOR	0x00000008	/* MONITOR/MWAIT instructions */
    181 #define	CPUID2_DS_CPL	0x00000010	/* CPL Qualified Debug Store */
    182 #define	CPUID2_VMX	0x00000020	/* Virtual Machine Extensions */
    183 #define	CPUID2_SMX	0x00000040	/* Safer Mode Extensions */
    184 #define	CPUID2_EST	0x00000080	/* Enhanced SpeedStep Technology */
    185 #define	CPUID2_TM2	0x00000100	/* Thermal Monitor 2 */
    186 #define CPUID2_SSSE3	0x00000200	/* Supplemental SSE3 */
    187 #define	CPUID2_CID	0x00000400	/* Context ID */
    188 #define	CPUID2_CX16	0x00002000	/* has CMPXCHG16B instruction */
    189 #define	CPUID2_xTPR	0x00004000	/* Task Priority Messages disabled? */
    190 #define	CPUID2_PDCM	0x00008000	/* Perf/Debug Capability MSR */
    191 #define	CPUID2_DCA	0x00040000	/* Direct Cache Access */
    192 #define	CPUID2_SSE41	0x00080000	/* Streaming SIMD Extensions 4.1 */
    193 #define	CPUID2_SSE42	0x00100000	/* Streaming SIMD Extensions 4.2 */
    194 #define	CPUID2_X2APIC	0x00200000	/* xAPIC Extensions */
    195 #define	CPUID2_POPCNT	0x00800000
    196 
    197 #define CPUID2_FLAGS "\20\1SSE3\3DTES64\4MONITOR\5DS-CPL\6VMX\7SMX\10EST" \
    198 			"\11TM2\12SSSE3\13CID\16CX16\17xTPR\20PDCM\23DCA" \
    199 			"\24SSE41\25SSE42\26X2APIC\30POPCNT"
    200 
    201 #define CPUID2FAMILY(cpuid)	(((cpuid) >> 8) & 0xf)
    202 #define CPUID2MODEL(cpuid)	(((cpuid) >> 4) & 0xf)
    203 #define CPUID2STEPPING(cpuid)	((cpuid) & 0xf)
    204 
    205 /* Extended family and model are defined on amd64 processors */
    206 #define CPUID2EXTFAMILY(cpuid)	(((cpuid) >> 20) & 0xff)
    207 #define CPUID2EXTMODEL(cpuid)	(((cpuid) >> 16) & 0xf)
    208 
    209 /*
    210  * Model-specific registers for the i386 family
    211  */
    212 #define MSR_P5_MC_ADDR		0x000	/* P5 only */
    213 #define MSR_P5_MC_TYPE		0x001	/* P5 only */
    214 #define MSR_TSC			0x010
    215 #define	MSR_CESR		0x011	/* P5 only (trap on P6) */
    216 #define	MSR_CTR0		0x012	/* P5 only (trap on P6) */
    217 #define	MSR_CTR1		0x013	/* P5 only (trap on P6) */
    218 #define MSR_APICBASE		0x01b
    219 #define MSR_EBL_CR_POWERON	0x02a
    220 #define MSR_EBC_FREQUENCY_ID	0x02c	/* PIV only */
    221 #define	MSR_TEST_CTL		0x033
    222 #define MSR_BIOS_UPDT_TRIG	0x079
    223 #define	MSR_BBL_CR_D0		0x088	/* PII+ only */
    224 #define	MSR_BBL_CR_D1		0x089	/* PII+ only */
    225 #define	MSR_BBL_CR_D2		0x08a	/* PII+ only */
    226 #define MSR_BIOS_SIGN		0x08b
    227 #define MSR_PERFCTR0		0x0c1
    228 #define MSR_PERFCTR1		0x0c2
    229 #define MSR_FSB_FREQ		0x0cd	/* Core Duo/Solo only */
    230 #define MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
    231 #define MSR_MTRRcap		0x0fe
    232 #define	MSR_BBL_CR_ADDR		0x116	/* PII+ only */
    233 #define	MSR_BBL_CR_DECC		0x118	/* PII+ only */
    234 #define	MSR_BBL_CR_CTL		0x119	/* PII+ only */
    235 #define	MSR_BBL_CR_TRIG		0x11a	/* PII+ only */
    236 #define	MSR_BBL_CR_BUSY		0x11b	/* PII+ only */
    237 #define	MSR_BBL_CR_CTR3		0x11e	/* PII+ only */
    238 #define	MSR_SYSENTER_CS		0x174 	/* PII+ only */
    239 #define	MSR_SYSENTER_ESP	0x175 	/* PII+ only */
    240 #define	MSR_SYSENTER_EIP	0x176   /* PII+ only */
    241 #define MSR_MCG_CAP		0x179
    242 #define MSR_MCG_STATUS		0x17a
    243 #define MSR_MCG_CTL		0x17b
    244 #define MSR_EVNTSEL0		0x186
    245 #define MSR_EVNTSEL1		0x187
    246 #define MSR_PERF_STATUS		0x198	/* Pentium M */
    247 #define MSR_PERF_CTL		0x199	/* Pentium M */
    248 #define MSR_THERM_CONTROL	0x19a
    249 #define MSR_THERM_INTERRUPT	0x19b
    250 #define MSR_THERM_STATUS	0x19c
    251 #define MSR_THERM2_CTL		0x19d	/* Pentium M */
    252 #define MSR_MISC_ENABLE		0x1a0
    253 #define MSR_DEBUGCTLMSR		0x1d9
    254 #define MSR_LASTBRANCHFROMIP	0x1db
    255 #define MSR_LASTBRANCHTOIP	0x1dc
    256 #define MSR_LASTINTFROMIP	0x1dd
    257 #define MSR_LASTINTTOIP		0x1de
    258 #define MSR_ROB_CR_BKUPTMPDR6	0x1e0
    259 #define	MSR_MTRRphysBase0	0x200
    260 #define	MSR_MTRRphysMask0	0x201
    261 #define	MSR_MTRRphysBase1	0x202
    262 #define	MSR_MTRRphysMask1	0x203
    263 #define	MSR_MTRRphysBase2	0x204
    264 #define	MSR_MTRRphysMask2	0x205
    265 #define	MSR_MTRRphysBase3	0x206
    266 #define	MSR_MTRRphysMask3	0x207
    267 #define	MSR_MTRRphysBase4	0x208
    268 #define	MSR_MTRRphysMask4	0x209
    269 #define	MSR_MTRRphysBase5	0x20a
    270 #define	MSR_MTRRphysMask5	0x20b
    271 #define	MSR_MTRRphysBase6	0x20c
    272 #define	MSR_MTRRphysMask6	0x20d
    273 #define	MSR_MTRRphysBase7	0x20e
    274 #define	MSR_MTRRphysMask7	0x20f
    275 #define	MSR_MTRRfix64K_00000	0x250
    276 #define	MSR_MTRRfix16K_80000	0x258
    277 #define	MSR_MTRRfix16K_A0000	0x259
    278 #define	MSR_MTRRfix4K_C0000	0x268
    279 #define	MSR_MTRRfix4K_C8000	0x269
    280 #define	MSR_MTRRfix4K_D0000	0x26a
    281 #define	MSR_MTRRfix4K_D8000	0x26b
    282 #define	MSR_MTRRfix4K_E0000	0x26c
    283 #define	MSR_MTRRfix4K_E8000	0x26d
    284 #define	MSR_MTRRfix4K_F0000	0x26e
    285 #define	MSR_MTRRfix4K_F8000	0x26f
    286 #define MSR_MTRRdefType		0x2ff
    287 #define MSR_MC0_CTL		0x400
    288 #define MSR_MC0_STATUS		0x401
    289 #define MSR_MC0_ADDR		0x402
    290 #define MSR_MC0_MISC		0x403
    291 #define MSR_MC1_CTL		0x404
    292 #define MSR_MC1_STATUS		0x405
    293 #define MSR_MC1_ADDR		0x406
    294 #define MSR_MC1_MISC		0x407
    295 #define MSR_MC2_CTL		0x408
    296 #define MSR_MC2_STATUS		0x409
    297 #define MSR_MC2_ADDR		0x40a
    298 #define MSR_MC2_MISC		0x40b
    299 #define MSR_MC4_CTL		0x40c
    300 #define MSR_MC4_STATUS		0x40d
    301 #define MSR_MC4_ADDR		0x40e
    302 #define MSR_MC4_MISC		0x40f
    303 #define MSR_MC3_CTL		0x410
    304 #define MSR_MC3_STATUS		0x411
    305 #define MSR_MC3_ADDR		0x412
    306 #define MSR_MC3_MISC		0x413
    307 
    308 /*
    309  * VIA "Nehemiah" MSRs
    310  */
    311 #define MSR_VIA_RNG		0x0000110b
    312 #define MSR_VIA_RNG_ENABLE	0x00000040
    313 #define MSR_VIA_RNG_NOISE_MASK	0x00000300
    314 #define MSR_VIA_RNG_NOISE_A	0x00000000
    315 #define MSR_VIA_RNG_NOISE_B	0x00000100
    316 #define MSR_VIA_RNG_2NOISE	0x00000300
    317 #define MSR_VIA_ACE		0x00001107
    318 #define MSR_VIA_ACE_ENABLE	0x10000000
    319 
    320 /*
    321  * AMD K6/K7 MSRs.
    322  */
    323 #define	MSR_K6_UWCCR		0xc0000085
    324 #define	MSR_K7_EVNTSEL0		0xc0010000
    325 #define	MSR_K7_EVNTSEL1		0xc0010001
    326 #define	MSR_K7_EVNTSEL2		0xc0010002
    327 #define	MSR_K7_EVNTSEL3		0xc0010003
    328 #define	MSR_K7_PERFCTR0		0xc0010004
    329 #define	MSR_K7_PERFCTR1		0xc0010005
    330 #define	MSR_K7_PERFCTR2		0xc0010006
    331 #define	MSR_K7_PERFCTR3		0xc0010007
    332 
    333 /*
    334  * AMD K8 (Opteron) MSRs.
    335  */
    336 #define	MSR_SYSCFG	0xc0000010
    337 
    338 #define MSR_EFER	0xc0000080		/* Extended feature enable */
    339 #define 	EFER_SCE		0x00000001	/* SYSCALL extension */
    340 #define 	EFER_LME		0x00000100	/* Long Mode Active */
    341 #define		EFER_LMA		0x00000400	/* Long Mode Enabled */
    342 #define 	EFER_NXE		0x00000800	/* No-Execute Enabled */
    343 
    344 #define MSR_STAR	0xc0000081		/* 32 bit syscall gate addr */
    345 #define MSR_LSTAR	0xc0000082		/* 64 bit syscall gate addr */
    346 #define MSR_CSTAR	0xc0000083		/* compat syscall gate addr */
    347 #define MSR_SFMASK	0xc0000084		/* flags to clear on syscall */
    348 
    349 #define MSR_FSBASE	0xc0000100		/* 64bit offset for fs: */
    350 #define MSR_GSBASE	0xc0000101		/* 64bit offset for gs: */
    351 #define MSR_KERNELGSBASE 0xc0000102		/* storage for swapgs ins */
    352 
    353 /*
    354  * These require a 'passcode' for access.  See cpufunc.h.
    355  */
    356 #define	MSR_HWCR	0xc0010015
    357 #define		HWCR_FFDIS		0x00000040
    358 
    359 #define	MSR_NB_CFG	0xc001001f
    360 #define		NB_CFG_DISIOREQLOCK	0x0000000000000004ULL
    361 #define		NB_CFG_DISDATMSK	0x0000001000000000ULL
    362 
    363 #define	MSR_LS_CFG	0xc0011020
    364 #define		LS_CFG_DIS_LS2_SQUISH	0x02000000
    365 
    366 #define	MSR_IC_CFG	0xc0011021
    367 #define		IC_CFG_DIS_SEQ_PREFETCH	0x00000800
    368 
    369 #define	MSR_DC_CFG	0xc0011022
    370 #define		DC_CFG_DIS_CNV_WC_SSO	0x00000004
    371 #define		DC_CFG_DIS_SMC_CHK_BUF	0x00000400
    372 
    373 #define	MSR_BU_CFG	0xc0011023
    374 #define		BU_CFG_THRL2IDXCMPDIS	0x0000080000000000ULL
    375 #define		BU_CFG_WBPFSMCCHKDIS	0x0000200000000000ULL
    376 #define		BU_CFG_WBENHWSBDIS	0x0001000000000000ULL
    377 
    378 /*
    379  * Constants related to MTRRs
    380  */
    381 #define MTRR_N64K		8	/* numbers of fixed-size entries */
    382 #define MTRR_N16K		16
    383 #define MTRR_N4K		64
    384 
    385 /*
    386  * the following four 3-byte registers control the non-cacheable regions.
    387  * These registers must be written as three separate bytes.
    388  *
    389  * NCRx+0: A31-A24 of starting address
    390  * NCRx+1: A23-A16 of starting address
    391  * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
    392  *
    393  * The non-cacheable region's starting address must be aligned to the
    394  * size indicated by the NCR_SIZE_xx field.
    395  */
    396 #define NCR1	0xc4
    397 #define NCR2	0xc7
    398 #define NCR3	0xca
    399 #define NCR4	0xcd
    400 
    401 #define NCR_SIZE_0K	0
    402 #define NCR_SIZE_4K	1
    403 #define NCR_SIZE_8K	2
    404 #define NCR_SIZE_16K	3
    405 #define NCR_SIZE_32K	4
    406 #define NCR_SIZE_64K	5
    407 #define NCR_SIZE_128K	6
    408 #define NCR_SIZE_256K	7
    409 #define NCR_SIZE_512K	8
    410 #define NCR_SIZE_1M	9
    411 #define NCR_SIZE_2M	10
    412 #define NCR_SIZE_4M	11
    413 #define NCR_SIZE_8M	12
    414 #define NCR_SIZE_16M	13
    415 #define NCR_SIZE_32M	14
    416 #define NCR_SIZE_4G	15
    417 
    418 /*
    419  * Performance monitor events.
    420  *
    421  * Note that 586-class and 686-class CPUs have different performance
    422  * monitors available, and they are accessed differently:
    423  *
    424  *	686-class: `rdpmc' instruction
    425  *	586-class: `rdmsr' instruction, CESR MSR
    426  *
    427  * The descriptions of these events are too lenghy to include here.
    428  * See Appendix A of "Intel Architecture Software Developer's
    429  * Manual, Volume 3: System Programming" for more information.
    430  */
    431 
    432 /*
    433  * 586-class CESR MSR format.  Lower 16 bits is CTR0, upper 16 bits
    434  * is CTR1.
    435  */
    436 
    437 #define	PMC5_CESR_EVENT			0x003f
    438 #define	PMC5_CESR_OS			0x0040
    439 #define	PMC5_CESR_USR			0x0080
    440 #define	PMC5_CESR_E			0x0100
    441 #define	PMC5_CESR_P			0x0200
    442 
    443 #define PMC5_DATA_READ			0x00
    444 #define PMC5_DATA_WRITE			0x01
    445 #define PMC5_DATA_TLB_MISS		0x02
    446 #define PMC5_DATA_READ_MISS		0x03
    447 #define PMC5_DATA_WRITE_MISS		0x04
    448 #define PMC5_WRITE_M_E			0x05
    449 #define PMC5_DATA_LINES_WBACK		0x06
    450 #define PMC5_DATA_CACHE_SNOOP		0x07
    451 #define PMC5_DATA_CACHE_SNOOP_HIT	0x08
    452 #define PMC5_MEM_ACCESS_BOTH_PIPES	0x09
    453 #define PMC5_BANK_CONFLICTS		0x0a
    454 #define PMC5_MISALIGNED_DATA		0x0b
    455 #define PMC5_INST_READ			0x0c
    456 #define PMC5_INST_TLB_MISS		0x0d
    457 #define PMC5_INST_CACHE_MISS		0x0e
    458 #define PMC5_SEGMENT_REG_LOAD		0x0f
    459 #define PMC5_BRANCHES		 	0x12
    460 #define PMC5_BTB_HITS		 	0x13
    461 #define PMC5_BRANCH_TAKEN		0x14
    462 #define PMC5_PIPELINE_FLUSH		0x15
    463 #define PMC5_INST_EXECUTED		0x16
    464 #define PMC5_INST_EXECUTED_V_PIPE	0x17
    465 #define PMC5_BUS_UTILIZATION		0x18
    466 #define PMC5_WRITE_BACKUP_STALL		0x19
    467 #define PMC5_DATA_READ_STALL		0x1a
    468 #define PMC5_WRITE_E_M_STALL		0x1b
    469 #define PMC5_LOCKED_BUS			0x1c
    470 #define PMC5_IO_CYCLE			0x1d
    471 #define PMC5_NONCACHE_MEM_READ		0x1e
    472 #define PMC5_AGI_STALL			0x1f
    473 #define PMC5_FLOPS			0x22
    474 #define PMC5_BP0_MATCH			0x23
    475 #define PMC5_BP1_MATCH			0x24
    476 #define PMC5_BP2_MATCH			0x25
    477 #define PMC5_BP3_MATCH			0x26
    478 #define PMC5_HARDWARE_INTR		0x27
    479 #define PMC5_DATA_RW			0x28
    480 #define PMC5_DATA_RW_MISS		0x29
    481 
    482 /*
    483  * 686-class Event Selector MSR format.
    484  */
    485 
    486 #define	PMC6_EVTSEL_EVENT		0x000000ff
    487 #define	PMC6_EVTSEL_UNIT		0x0000ff00
    488 #define	PMC6_EVTSEL_UNIT_SHIFT		8
    489 #define	PMC6_EVTSEL_USR			(1 << 16)
    490 #define	PMC6_EVTSEL_OS			(1 << 17)
    491 #define	PMC6_EVTSEL_E			(1 << 18)
    492 #define	PMC6_EVTSEL_PC			(1 << 19)
    493 #define	PMC6_EVTSEL_INT			(1 << 20)
    494 #define	PMC6_EVTSEL_EN			(1 << 22)	/* PerfEvtSel0 only */
    495 #define	PMC6_EVTSEL_INV			(1 << 23)
    496 #define	PMC6_EVTSEL_COUNTER_MASK	0xff000000
    497 #define	PMC6_EVTSEL_COUNTER_MASK_SHIFT	24
    498 
    499 /* Data Cache Unit */
    500 #define	PMC6_DATA_MEM_REFS		0x43
    501 #define	PMC6_DCU_LINES_IN		0x45
    502 #define	PMC6_DCU_M_LINES_IN		0x46
    503 #define	PMC6_DCU_M_LINES_OUT		0x47
    504 #define	PMC6_DCU_MISS_OUTSTANDING	0x48
    505 
    506 /* Instruction Fetch Unit */
    507 #define	PMC6_IFU_IFETCH			0x80
    508 #define	PMC6_IFU_IFETCH_MISS		0x81
    509 #define	PMC6_ITLB_MISS			0x85
    510 #define	PMC6_IFU_MEM_STALL		0x86
    511 #define	PMC6_ILD_STALL			0x87
    512 
    513 /* L2 Cache */
    514 #define	PMC6_L2_IFETCH			0x28
    515 #define	PMC6_L2_LD			0x29
    516 #define	PMC6_L2_ST			0x2a
    517 #define	PMC6_L2_LINES_IN		0x24
    518 #define	PMC6_L2_LINES_OUT		0x26
    519 #define	PMC6_L2_M_LINES_INM		0x25
    520 #define	PMC6_L2_M_LINES_OUTM		0x27
    521 #define	PMC6_L2_RQSTS			0x2e
    522 #define	PMC6_L2_ADS			0x21
    523 #define	PMC6_L2_DBUS_BUSY		0x22
    524 #define	PMC6_L2_DBUS_BUSY_RD		0x23
    525 
    526 /* External Bus Logic */
    527 #define	PMC6_BUS_DRDY_CLOCKS		0x62
    528 #define	PMC6_BUS_LOCK_CLOCKS		0x63
    529 #define	PMC6_BUS_REQ_OUTSTANDING	0x60
    530 #define	PMC6_BUS_TRAN_BRD		0x65
    531 #define	PMC6_BUS_TRAN_RFO		0x66
    532 #define	PMC6_BUS_TRANS_WB		0x67
    533 #define	PMC6_BUS_TRAN_IFETCH		0x68
    534 #define	PMC6_BUS_TRAN_INVAL		0x69
    535 #define	PMC6_BUS_TRAN_PWR		0x6a
    536 #define	PMC6_BUS_TRANS_P		0x6b
    537 #define	PMC6_BUS_TRANS_IO		0x6c
    538 #define	PMC6_BUS_TRAN_DEF		0x6d
    539 #define	PMC6_BUS_TRAN_BURST		0x6e
    540 #define	PMC6_BUS_TRAN_ANY		0x70
    541 #define	PMC6_BUS_TRAN_MEM		0x6f
    542 #define	PMC6_BUS_DATA_RCV		0x64
    543 #define	PMC6_BUS_BNR_DRV		0x61
    544 #define	PMC6_BUS_HIT_DRV		0x7a
    545 #define	PMC6_BUS_HITM_DRDV		0x7b
    546 #define	PMC6_BUS_SNOOP_STALL		0x7e
    547 
    548 /* Floating Point Unit */
    549 #define	PMC6_FLOPS			0xc1
    550 #define	PMC6_FP_COMP_OPS_EXE		0x10
    551 #define	PMC6_FP_ASSIST			0x11
    552 #define	PMC6_MUL			0x12
    553 #define	PMC6_DIV			0x12
    554 #define	PMC6_CYCLES_DIV_BUSY		0x14
    555 
    556 /* Memory Ordering */
    557 #define	PMC6_LD_BLOCKS			0x03
    558 #define	PMC6_SB_DRAINS			0x04
    559 #define	PMC6_MISALIGN_MEM_REF		0x05
    560 #define	PMC6_EMON_KNI_PREF_DISPATCHED	0x07	/* P-III only */
    561 #define	PMC6_EMON_KNI_PREF_MISS		0x4b	/* P-III only */
    562 
    563 /* Instruction Decoding and Retirement */
    564 #define	PMC6_INST_RETIRED		0xc0
    565 #define	PMC6_UOPS_RETIRED		0xc2
    566 #define	PMC6_INST_DECODED		0xd0
    567 #define	PMC6_EMON_KNI_INST_RETIRED	0xd8
    568 #define	PMC6_EMON_KNI_COMP_INST_RET	0xd9
    569 
    570 /* Interrupts */
    571 #define	PMC6_HW_INT_RX			0xc8
    572 #define	PMC6_CYCLES_INT_MASKED		0xc6
    573 #define	PMC6_CYCLES_INT_PENDING_AND_MASKED 0xc7
    574 
    575 /* Branches */
    576 #define	PMC6_BR_INST_RETIRED		0xc4
    577 #define	PMC6_BR_MISS_PRED_RETIRED	0xc5
    578 #define	PMC6_BR_TAKEN_RETIRED		0xc9
    579 #define	PMC6_BR_MISS_PRED_TAKEN_RET	0xca
    580 #define	PMC6_BR_INST_DECODED		0xe0
    581 #define	PMC6_BTB_MISSES			0xe2
    582 #define	PMC6_BR_BOGUS			0xe4
    583 #define	PMC6_BACLEARS			0xe6
    584 
    585 /* Stalls */
    586 #define	PMC6_RESOURCE_STALLS		0xa2
    587 #define	PMC6_PARTIAL_RAT_STALLS		0xd2
    588 
    589 /* Segment Register Loads */
    590 #define	PMC6_SEGMENT_REG_LOADS		0x06
    591 
    592 /* Clocks */
    593 #define	PMC6_CPU_CLK_UNHALTED		0x79
    594 
    595 /* MMX Unit */
    596 #define	PMC6_MMX_INSTR_EXEC		0xb0	/* Celeron, P-II, P-IIX only */
    597 #define	PMC6_MMX_SAT_INSTR_EXEC		0xb1	/* P-II and P-III only */
    598 #define	PMC6_MMX_UOPS_EXEC		0xb2	/* P-II and P-III only */
    599 #define	PMC6_MMX_INSTR_TYPE_EXEC	0xb3	/* P-II and P-III only */
    600 #define	PMC6_FP_MMX_TRANS		0xcc	/* P-II and P-III only */
    601 #define	PMC6_MMX_ASSIST			0xcd	/* P-II and P-III only */
    602 #define	PMC6_MMX_INSTR_RET		0xc3	/* P-II only */
    603 
    604 /* Segment Register Renaming */
    605 #define	PMC6_SEG_RENAME_STALLS		0xd4	/* P-II and P-III only */
    606 #define	PMC6_SEG_REG_RENAMES		0xd5	/* P-II and P-III only */
    607 #define	PMC6_RET_SEG_RENAMES		0xd6	/* P-II and P-III only */
    608 
    609 /*
    610  * AMD K7 Event Selector MSR format.
    611  */
    612 
    613 #define	K7_EVTSEL_EVENT			0x000000ff
    614 #define	K7_EVTSEL_UNIT			0x0000ff00
    615 #define	K7_EVTSEL_UNIT_SHIFT		8
    616 #define	K7_EVTSEL_USR			(1 << 16)
    617 #define	K7_EVTSEL_OS			(1 << 17)
    618 #define	K7_EVTSEL_E			(1 << 18)
    619 #define	K7_EVTSEL_PC			(1 << 19)
    620 #define	K7_EVTSEL_INT			(1 << 20)
    621 #define	K7_EVTSEL_EN			(1 << 22)
    622 #define	K7_EVTSEL_INV			(1 << 23)
    623 #define	K7_EVTSEL_COUNTER_MASK		0xff000000
    624 #define	K7_EVTSEL_COUNTER_MASK_SHIFT	24
    625 
    626 /* Segment Register Loads */
    627 #define	K7_SEGMENT_REG_LOADS		0x20
    628 
    629 #define	K7_STORES_TO_ACTIVE_INST_STREAM	0x21
    630 
    631 /* Data Cache Unit */
    632 #define	K7_DATA_CACHE_ACCESS		0x40
    633 #define	K7_DATA_CACHE_MISS		0x41
    634 #define	K7_DATA_CACHE_REFILL		0x42
    635 #define	K7_DATA_CACHE_REFILL_SYSTEM	0x43
    636 #define	K7_DATA_CACHE_WBACK		0x44
    637 #define	K7_L2_DTLB_HIT			0x45
    638 #define	K7_L2_DTLB_MISS			0x46
    639 #define	K7_MISALIGNED_DATA_REF		0x47
    640 #define	K7_SYSTEM_REQUEST		0x64
    641 #define	K7_SYSTEM_REQUEST_TYPE		0x65
    642 
    643 #define	K7_SNOOP_HIT			0x73
    644 #define	K7_SINGLE_BIT_ECC_ERROR		0x74
    645 #define	K7_CACHE_LINE_INVAL		0x75
    646 #define	K7_CYCLES_PROCESSOR_IS_RUNNING	0x76
    647 #define	K7_L2_REQUEST			0x79
    648 #define	K7_L2_REQUEST_BUSY		0x7a
    649 
    650 /* Instruction Fetch Unit */
    651 #define	K7_IFU_IFETCH			0x80
    652 #define	K7_IFU_IFETCH_MISS		0x81
    653 #define	K7_IFU_REFILL_FROM_L2		0x82
    654 #define	K7_IFU_REFILL_FROM_SYSTEM	0x83
    655 #define	K7_ITLB_L1_MISS			0x84
    656 #define	K7_ITLB_L2_MISS			0x85
    657 #define	K7_SNOOP_RESYNC			0x86
    658 #define	K7_IFU_STALL			0x87
    659 
    660 #define	K7_RETURN_STACK_HITS		0x88
    661 #define	K7_RETURN_STACK_OVERFLOW	0x89
    662 
    663 /* Retired */
    664 #define	K7_RETIRED_INST			0xc0
    665 #define	K7_RETIRED_OPS			0xc1
    666 #define	K7_RETIRED_BRANCHES		0xc2
    667 #define	K7_RETIRED_BRANCH_MISPREDICTED	0xc3
    668 #define	K7_RETIRED_TAKEN_BRANCH		0xc4
    669 #define	K7_RETIRED_TAKEN_BRANCH_MISPREDICTED	0xc5
    670 #define	K7_RETIRED_FAR_CONTROL_TRANSFER	0xc6
    671 #define	K7_RETIRED_RESYNC_BRANCH	0xc7
    672 #define	K7_RETIRED_NEAR_RETURNS		0xc8
    673 #define	K7_RETIRED_NEAR_RETURNS_MISPREDICTED	0xc9
    674 #define	K7_RETIRED_INDIRECT_MISPREDICTED	0xca
    675 
    676 /* Interrupts */
    677 #define	K7_CYCLES_INT_MASKED		0xcd
    678 #define	K7_CYCLES_INT_PENDING_AND_MASKED	0xce
    679 #define	K7_HW_INTR_RECV			0xcf
    680 
    681 #define	K7_INSTRUCTION_DECODER_EMPTY	0xd0
    682 #define	K7_DISPATCH_STALLS		0xd1
    683 #define	K7_BRANCH_ABORTS_TO_RETIRE	0xd2
    684 #define	K7_SERIALIZE			0xd3
    685 #define	K7_SEGMENT_LOAD_STALL		0xd4
    686 #define	K7_ICU_FULL			0xd5
    687 #define	K7_RESERVATION_STATIONS_FULL	0xd6
    688 #define	K7_FPU_FULL			0xd7
    689 #define	K7_LS_FULL			0xd8
    690 #define	K7_ALL_QUIET_STALL		0xd9
    691 #define	K7_FAR_TRANSFER_OR_RESYNC_BRANCH_PENDING	0xda
    692 
    693 #define	K7_BP0_MATCH			0xdc
    694 #define	K7_BP1_MATCH			0xdd
    695 #define	K7_BP2_MATCH			0xde
    696 #define	K7_BP3_MATCH			0xdf
    697