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specialreg.h revision 1.5
      1 /*	$NetBSD: specialreg.h,v 1.5 2004/02/19 17:09:39 drochner 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  * AMD/VIA processor specific flags.
    134  */
    135 
    136 #define CPUID_MPC	0x00080000	/* Multiprocessing Capable */
    137 #define CPUID_NOX	0x00100000	/* No Execute Page Protection */
    138 #define CPUID_MMXX	0x00400000	/* AMD MMX Extensions */
    139 #define CPUID_3DNOW2	0x40000000	/* 3DNow! Instruction Extension */
    140 #define CPUID_3DNOW	0x80000000	/* 3DNow! Instructions */
    141 
    142 #define CPUID_EXT_FLAGS2	"\20\16PGE\17MCA\20CMOV\21PAT\22PSE36\23PN" \
    143 				    "\24MPC\25NOX\26B21\27MMXX\30MMX"
    144 #define CPUID_EXT_FLAGS3	"\20\31FXSR\32SSE\33SSE2\34B27\35B28\36LONG" \
    145 				    "\0373DNOW2\0403DNOW"
    146 
    147 /*
    148  * CPUID "features" bits in %ecx
    149  */
    150 
    151 #define	CPUID2_TM2	0x00000080	/* Thermal Monitor 2 */
    152 #define	CPUID2_EST	0x00000100	/* Enhanced SpeedStep Technology */
    153 #define	CPUID2_CID	0x00000400	/* Context ID */
    154 
    155 #define CPUID2_FLAGS	"\20\10TM2\11EST\13CID"
    156 
    157 #define CPUID2FAMILY(cpuid)	(((cpuid) >> 8) & 15)
    158 #define CPUID2MODEL(cpuid)	(((cpuid) >> 4) & 15)
    159 #define CPUID2STEPPING(cpuid)	((cpuid) & 15)
    160 
    161 #define CPUID(code, eax, ebx, ecx, edx)                         \
    162 	__asm("cpuid"                                           \
    163 	    : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)    \
    164 	    : "a" (code));
    165 
    166 
    167 /*
    168  * Model-specific registers for the i386 family
    169  */
    170 #define MSR_P5_MC_ADDR		0x000	/* P5 only */
    171 #define MSR_P5_MC_TYPE		0x001	/* P5 only */
    172 #define MSR_TSC			0x010
    173 #define	MSR_CESR		0x011	/* P5 only (trap on P6) */
    174 #define	MSR_CTR0		0x012	/* P5 only (trap on P6) */
    175 #define	MSR_CTR1		0x013	/* P5 only (trap on P6) */
    176 #define MSR_APICBASE		0x01b
    177 #define MSR_EBL_CR_POWERON	0x02a
    178 #define	MSR_TEST_CTL		0x033
    179 #define MSR_BIOS_UPDT_TRIG	0x079
    180 #define	MSR_BBL_CR_D0		0x088	/* PII+ only */
    181 #define	MSR_BBL_CR_D1		0x089	/* PII+ only */
    182 #define	MSR_BBL_CR_D2		0x08a	/* PII+ only */
    183 #define MSR_BIOS_SIGN		0x08b
    184 #define MSR_PERFCTR0		0x0c1
    185 #define MSR_PERFCTR1		0x0c2
    186 #define MSR_MTRRcap		0x0fe
    187 #define	MSR_BBL_CR_ADDR		0x116	/* PII+ only */
    188 #define	MSR_BBL_CR_DECC		0x118	/* PII+ only */
    189 #define	MSR_BBL_CR_CTL		0x119	/* PII+ only */
    190 #define	MSR_BBL_CR_TRIG		0x11a	/* PII+ only */
    191 #define	MSR_BBL_CR_BUSY		0x11b	/* PII+ only */
    192 #define	MSR_BBL_CR_CTR3		0x11e	/* PII+ only */
    193 #define	MSR_SYSENTER_CS		0x174 	/* PII+ only */
    194 #define	MSR_SYSENTER_ESP	0x175 	/* PII+ only */
    195 #define	MSR_SYSENTER_EIP	0x176   /* PII+ only */
    196 #define MSR_MCG_CAP		0x179
    197 #define MSR_MCG_STATUS		0x17a
    198 #define MSR_MCG_CTL		0x17b
    199 #define MSR_EVNTSEL0		0x186
    200 #define MSR_EVNTSEL1		0x187
    201 #define MSR_PERF_STATUS		0x198	/* Pentium M */
    202 #define MSR_PERF_CTL		0x199	/* Pentium M */
    203 #define MSR_THERM_CONTROL	0x19a
    204 #define MSR_THERM_INTERRUPT	0x19b
    205 #define MSR_THERM_STATUS	0x19c
    206 #define MSR_THERM2_CTL		0x19d	/* Pentium M */
    207 #define MSR_MISC_ENABLE		0x1a0
    208 #define MSR_DEBUGCTLMSR		0x1d9
    209 #define MSR_LASTBRANCHFROMIP	0x1db
    210 #define MSR_LASTBRANCHTOIP	0x1dc
    211 #define MSR_LASTINTFROMIP	0x1dd
    212 #define MSR_LASTINTTOIP		0x1de
    213 #define MSR_ROB_CR_BKUPTMPDR6	0x1e0
    214 #define	MSR_MTRRphysBase0	0x200
    215 #define	MSR_MTRRphysMask0	0x201
    216 #define	MSR_MTRRphysBase1	0x202
    217 #define	MSR_MTRRphysMask1	0x203
    218 #define	MSR_MTRRphysBase2	0x204
    219 #define	MSR_MTRRphysMask2	0x205
    220 #define	MSR_MTRRphysBase3	0x206
    221 #define	MSR_MTRRphysMask3	0x207
    222 #define	MSR_MTRRphysBase4	0x208
    223 #define	MSR_MTRRphysMask4	0x209
    224 #define	MSR_MTRRphysBase5	0x20a
    225 #define	MSR_MTRRphysMask5	0x20b
    226 #define	MSR_MTRRphysBase6	0x20c
    227 #define	MSR_MTRRphysMask6	0x20d
    228 #define	MSR_MTRRphysBase7	0x20e
    229 #define	MSR_MTRRphysMask7	0x20f
    230 #define	MSR_MTRRfix64K_00000	0x250
    231 #define	MSR_MTRRfix16K_80000	0x258
    232 #define	MSR_MTRRfix16K_A0000	0x259
    233 #define	MSR_MTRRfix4K_C0000	0x268
    234 #define	MSR_MTRRfix4K_C8000	0x269
    235 #define	MSR_MTRRfix4K_D0000	0x26a
    236 #define	MSR_MTRRfix4K_D8000	0x26b
    237 #define	MSR_MTRRfix4K_E0000	0x26c
    238 #define	MSR_MTRRfix4K_E8000	0x26d
    239 #define	MSR_MTRRfix4K_F0000	0x26e
    240 #define	MSR_MTRRfix4K_F8000	0x26f
    241 #define MSR_MTRRdefType		0x2ff
    242 #define MSR_MC0_CTL		0x400
    243 #define MSR_MC0_STATUS		0x401
    244 #define MSR_MC0_ADDR		0x402
    245 #define MSR_MC0_MISC		0x403
    246 #define MSR_MC1_CTL		0x404
    247 #define MSR_MC1_STATUS		0x405
    248 #define MSR_MC1_ADDR		0x406
    249 #define MSR_MC1_MISC		0x407
    250 #define MSR_MC2_CTL		0x408
    251 #define MSR_MC2_STATUS		0x409
    252 #define MSR_MC2_ADDR		0x40a
    253 #define MSR_MC2_MISC		0x40b
    254 #define MSR_MC4_CTL		0x40c
    255 #define MSR_MC4_STATUS		0x40d
    256 #define MSR_MC4_ADDR		0x40e
    257 #define MSR_MC4_MISC		0x40f
    258 #define MSR_MC3_CTL		0x410
    259 #define MSR_MC3_STATUS		0x411
    260 #define MSR_MC3_ADDR		0x412
    261 #define MSR_MC3_MISC		0x413
    262 
    263 /*
    264  * AMD K6/K7 MSRs.
    265  */
    266 #define	MSR_K6_UWCCR		0xc0000085
    267 #define	MSR_K7_EVNTSEL0		0xc0010000
    268 #define	MSR_K7_EVNTSEL1		0xc0010001
    269 #define	MSR_K7_EVNTSEL2		0xc0010002
    270 #define	MSR_K7_EVNTSEL3		0xc0010003
    271 #define	MSR_K7_PERFCTR0		0xc0010004
    272 #define	MSR_K7_PERFCTR1		0xc0010005
    273 #define	MSR_K7_PERFCTR2		0xc0010006
    274 #define	MSR_K7_PERFCTR3		0xc0010007
    275 
    276 /*
    277  * Constants related to MTRRs
    278  */
    279 #define MTRR_N64K		8	/* numbers of fixed-size entries */
    280 #define MTRR_N16K		16
    281 #define MTRR_N4K		64
    282 
    283 /*
    284  * the following four 3-byte registers control the non-cacheable regions.
    285  * These registers must be written as three separate bytes.
    286  *
    287  * NCRx+0: A31-A24 of starting address
    288  * NCRx+1: A23-A16 of starting address
    289  * NCRx+2: A15-A12 of starting address | NCR_SIZE_xx.
    290  *
    291  * The non-cacheable region's starting address must be aligned to the
    292  * size indicated by the NCR_SIZE_xx field.
    293  */
    294 #define NCR1	0xc4
    295 #define NCR2	0xc7
    296 #define NCR3	0xca
    297 #define NCR4	0xcd
    298 
    299 #define NCR_SIZE_0K	0
    300 #define NCR_SIZE_4K	1
    301 #define NCR_SIZE_8K	2
    302 #define NCR_SIZE_16K	3
    303 #define NCR_SIZE_32K	4
    304 #define NCR_SIZE_64K	5
    305 #define NCR_SIZE_128K	6
    306 #define NCR_SIZE_256K	7
    307 #define NCR_SIZE_512K	8
    308 #define NCR_SIZE_1M	9
    309 #define NCR_SIZE_2M	10
    310 #define NCR_SIZE_4M	11
    311 #define NCR_SIZE_8M	12
    312 #define NCR_SIZE_16M	13
    313 #define NCR_SIZE_32M	14
    314 #define NCR_SIZE_4G	15
    315 
    316 /*
    317  * Performance monitor events.
    318  *
    319  * Note that 586-class and 686-class CPUs have different performance
    320  * monitors available, and they are accessed differently:
    321  *
    322  *	686-class: `rdpmc' instruction
    323  *	586-class: `rdmsr' instruction, CESR MSR
    324  *
    325  * The descriptions of these events are too lenghy to include here.
    326  * See Appendix A of "Intel Architecture Software Developer's
    327  * Manual, Volume 3: System Programming" for more information.
    328  */
    329 
    330 /*
    331  * 586-class CESR MSR format.  Lower 16 bits is CTR0, upper 16 bits
    332  * is CTR1.
    333  */
    334 
    335 #define	PMC5_CESR_EVENT			0x003f
    336 #define	PMC5_CESR_OS			0x0040
    337 #define	PMC5_CESR_USR			0x0080
    338 #define	PMC5_CESR_E			0x0100
    339 #define	PMC5_CESR_P			0x0200
    340 
    341 #define PMC5_DATA_READ			0x00
    342 #define PMC5_DATA_WRITE			0x01
    343 #define PMC5_DATA_TLB_MISS		0x02
    344 #define PMC5_DATA_READ_MISS		0x03
    345 #define PMC5_DATA_WRITE_MISS		0x04
    346 #define PMC5_WRITE_M_E			0x05
    347 #define PMC5_DATA_LINES_WBACK		0x06
    348 #define PMC5_DATA_CACHE_SNOOP		0x07
    349 #define PMC5_DATA_CACHE_SNOOP_HIT	0x08
    350 #define PMC5_MEM_ACCESS_BOTH_PIPES	0x09
    351 #define PMC5_BANK_CONFLICTS		0x0a
    352 #define PMC5_MISALIGNED_DATA		0x0b
    353 #define PMC5_INST_READ			0x0c
    354 #define PMC5_INST_TLB_MISS		0x0d
    355 #define PMC5_INST_CACHE_MISS		0x0e
    356 #define PMC5_SEGMENT_REG_LOAD		0x0f
    357 #define PMC5_BRANCHES		 	0x12
    358 #define PMC5_BTB_HITS		 	0x13
    359 #define PMC5_BRANCH_TAKEN		0x14
    360 #define PMC5_PIPELINE_FLUSH		0x15
    361 #define PMC5_INST_EXECUTED		0x16
    362 #define PMC5_INST_EXECUTED_V_PIPE	0x17
    363 #define PMC5_BUS_UTILIZATION		0x18
    364 #define PMC5_WRITE_BACKUP_STALL		0x19
    365 #define PMC5_DATA_READ_STALL		0x1a
    366 #define PMC5_WRITE_E_M_STALL		0x1b
    367 #define PMC5_LOCKED_BUS			0x1c
    368 #define PMC5_IO_CYCLE			0x1d
    369 #define PMC5_NONCACHE_MEM_READ		0x1e
    370 #define PMC5_AGI_STALL			0x1f
    371 #define PMC5_FLOPS			0x22
    372 #define PMC5_BP0_MATCH			0x23
    373 #define PMC5_BP1_MATCH			0x24
    374 #define PMC5_BP2_MATCH			0x25
    375 #define PMC5_BP3_MATCH			0x26
    376 #define PMC5_HARDWARE_INTR		0x27
    377 #define PMC5_DATA_RW			0x28
    378 #define PMC5_DATA_RW_MISS		0x29
    379 
    380 /*
    381  * 686-class Event Selector MSR format.
    382  */
    383 
    384 #define	PMC6_EVTSEL_EVENT		0x000000ff
    385 #define	PMC6_EVTSEL_UNIT		0x0000ff00
    386 #define	PMC6_EVTSEL_UNIT_SHIFT		8
    387 #define	PMC6_EVTSEL_USR			(1 << 16)
    388 #define	PMC6_EVTSEL_OS			(1 << 17)
    389 #define	PMC6_EVTSEL_E			(1 << 18)
    390 #define	PMC6_EVTSEL_PC			(1 << 19)
    391 #define	PMC6_EVTSEL_INT			(1 << 20)
    392 #define	PMC6_EVTSEL_EN			(1 << 22)	/* PerfEvtSel0 only */
    393 #define	PMC6_EVTSEL_INV			(1 << 23)
    394 #define	PMC6_EVTSEL_COUNTER_MASK	0xff000000
    395 #define	PMC6_EVTSEL_COUNTER_MASK_SHIFT	24
    396 
    397 /* Data Cache Unit */
    398 #define	PMC6_DATA_MEM_REFS		0x43
    399 #define	PMC6_DCU_LINES_IN		0x45
    400 #define	PMC6_DCU_M_LINES_IN		0x46
    401 #define	PMC6_DCU_M_LINES_OUT		0x47
    402 #define	PMC6_DCU_MISS_OUTSTANDING	0x48
    403 
    404 /* Instruction Fetch Unit */
    405 #define	PMC6_IFU_IFETCH			0x80
    406 #define	PMC6_IFU_IFETCH_MISS		0x81
    407 #define	PMC6_ITLB_MISS			0x85
    408 #define	PMC6_IFU_MEM_STALL		0x86
    409 #define	PMC6_ILD_STALL			0x87
    410 
    411 /* L2 Cache */
    412 #define	PMC6_L2_IFETCH			0x28
    413 #define	PMC6_L2_LD			0x29
    414 #define	PMC6_L2_ST			0x2a
    415 #define	PMC6_L2_LINES_IN		0x24
    416 #define	PMC6_L2_LINES_OUT		0x26
    417 #define	PMC6_L2_M_LINES_INM		0x25
    418 #define	PMC6_L2_M_LINES_OUTM		0x27
    419 #define	PMC6_L2_RQSTS			0x2e
    420 #define	PMC6_L2_ADS			0x21
    421 #define	PMC6_L2_DBUS_BUSY		0x22
    422 #define	PMC6_L2_DBUS_BUSY_RD		0x23
    423 
    424 /* External Bus Logic */
    425 #define	PMC6_BUS_DRDY_CLOCKS		0x62
    426 #define	PMC6_BUS_LOCK_CLOCKS		0x63
    427 #define	PMC6_BUS_REQ_OUTSTANDING	0x60
    428 #define	PMC6_BUS_TRAN_BRD		0x65
    429 #define	PMC6_BUS_TRAN_RFO		0x66
    430 #define	PMC6_BUS_TRANS_WB		0x67
    431 #define	PMC6_BUS_TRAN_IFETCH		0x68
    432 #define	PMC6_BUS_TRAN_INVAL		0x69
    433 #define	PMC6_BUS_TRAN_PWR		0x6a
    434 #define	PMC6_BUS_TRANS_P		0x6b
    435 #define	PMC6_BUS_TRANS_IO		0x6c
    436 #define	PMC6_BUS_TRAN_DEF		0x6d
    437 #define	PMC6_BUS_TRAN_BURST		0x6e
    438 #define	PMC6_BUS_TRAN_ANY		0x70
    439 #define	PMC6_BUS_TRAN_MEM		0x6f
    440 #define	PMC6_BUS_DATA_RCV		0x64
    441 #define	PMC6_BUS_BNR_DRV		0x61
    442 #define	PMC6_BUS_HIT_DRV		0x7a
    443 #define	PMC6_BUS_HITM_DRDV		0x7b
    444 #define	PMC6_BUS_SNOOP_STALL		0x7e
    445 
    446 /* Floating Point Unit */
    447 #define	PMC6_FLOPS			0xc1
    448 #define	PMC6_FP_COMP_OPS_EXE		0x10
    449 #define	PMC6_FP_ASSIST			0x11
    450 #define	PMC6_MUL			0x12
    451 #define	PMC6_DIV			0x12
    452 #define	PMC6_CYCLES_DIV_BUSY		0x14
    453 
    454 /* Memory Ordering */
    455 #define	PMC6_LD_BLOCKS			0x03
    456 #define	PMC6_SB_DRAINS			0x04
    457 #define	PMC6_MISALIGN_MEM_REF		0x05
    458 #define	PMC6_EMON_KNI_PREF_DISPATCHED	0x07	/* P-III only */
    459 #define	PMC6_EMON_KNI_PREF_MISS		0x4b	/* P-III only */
    460 
    461 /* Instruction Decoding and Retirement */
    462 #define	PMC6_INST_RETIRED		0xc0
    463 #define	PMC6_UOPS_RETIRED		0xc2
    464 #define	PMC6_INST_DECODED		0xd0
    465 #define	PMC6_EMON_KNI_INST_RETIRED	0xd8
    466 #define	PMC6_EMON_KNI_COMP_INST_RET	0xd9
    467 
    468 /* Interrupts */
    469 #define	PMC6_HW_INT_RX			0xc8
    470 #define	PMC6_CYCLES_INT_MASKED		0xc6
    471 #define	PMC6_CYCLES_INT_PENDING_AND_MASKED 0xc7
    472 
    473 /* Branches */
    474 #define	PMC6_BR_INST_RETIRED		0xc4
    475 #define	PMC6_BR_MISS_PRED_RETIRED	0xc5
    476 #define	PMC6_BR_TAKEN_RETIRED		0xc9
    477 #define	PMC6_BR_MISS_PRED_TAKEN_RET	0xca
    478 #define	PMC6_BR_INST_DECODED		0xe0
    479 #define	PMC6_BTB_MISSES			0xe2
    480 #define	PMC6_BR_BOGUS			0xe4
    481 #define	PMC6_BACLEARS			0xe6
    482 
    483 /* Stalls */
    484 #define	PMC6_RESOURCE_STALLS		0xa2
    485 #define	PMC6_PARTIAL_RAT_STALLS		0xd2
    486 
    487 /* Segment Register Loads */
    488 #define	PMC6_SEGMENT_REG_LOADS		0x06
    489 
    490 /* Clocks */
    491 #define	PMC6_CPU_CLK_UNHALTED		0x79
    492 
    493 /* MMX Unit */
    494 #define	PMC6_MMX_INSTR_EXEC		0xb0	/* Celeron, P-II, P-IIX only */
    495 #define	PMC6_MMX_SAT_INSTR_EXEC		0xb1	/* P-II and P-III only */
    496 #define	PMC6_MMX_UOPS_EXEC		0xb2	/* P-II and P-III only */
    497 #define	PMC6_MMX_INSTR_TYPE_EXEC	0xb3	/* P-II and P-III only */
    498 #define	PMC6_FP_MMX_TRANS		0xcc	/* P-II and P-III only */
    499 #define	PMC6_MMX_ASSIST			0xcd	/* P-II and P-III only */
    500 #define	PMC6_MMX_INSTR_RET		0xc3	/* P-II only */
    501 
    502 /* Segment Register Renaming */
    503 #define	PMC6_SEG_RENAME_STALLS		0xd4	/* P-II and P-III only */
    504 #define	PMC6_SEG_REG_RENAMES		0xd5	/* P-II and P-III only */
    505 #define	PMC6_RET_SEG_RENAMES		0xd6	/* P-II and P-III only */
    506 
    507 /*
    508  * AMD K7 Event Selector MSR format.
    509  */
    510 
    511 #define	K7_EVTSEL_EVENT			0x000000ff
    512 #define	K7_EVTSEL_UNIT			0x0000ff00
    513 #define	K7_EVTSEL_UNIT_SHIFT		8
    514 #define	K7_EVTSEL_USR			(1 << 16)
    515 #define	K7_EVTSEL_OS			(1 << 17)
    516 #define	K7_EVTSEL_E			(1 << 18)
    517 #define	K7_EVTSEL_PC			(1 << 19)
    518 #define	K7_EVTSEL_INT			(1 << 20)
    519 #define	K7_EVTSEL_EN			(1 << 22)
    520 #define	K7_EVTSEL_INV			(1 << 23)
    521 #define	K7_EVTSEL_COUNTER_MASK		0xff000000
    522 #define	K7_EVTSEL_COUNTER_MASK_SHIFT	24
    523 
    524 /* Segment Register Loads */
    525 #define	K7_SEGMENT_REG_LOADS		0x20
    526 
    527 #define	K7_STORES_TO_ACTIVE_INST_STREAM	0x21
    528 
    529 /* Data Cache Unit */
    530 #define	K7_DATA_CACHE_ACCESS		0x40
    531 #define	K7_DATA_CACHE_MISS		0x41
    532 #define	K7_DATA_CACHE_REFILL		0x42
    533 #define	K7_DATA_CACHE_REFILL_SYSTEM	0x43
    534 #define	K7_DATA_CACHE_WBACK		0x44
    535 #define	K7_L2_DTLB_HIT			0x45
    536 #define	K7_L2_DTLB_MISS			0x46
    537 #define	K7_MISALIGNED_DATA_REF		0x47
    538 #define	K7_SYSTEM_REQUEST		0x64
    539 #define	K7_SYSTEM_REQUEST_TYPE		0x65
    540 
    541 #define	K7_SNOOP_HIT			0x73
    542 #define	K7_SINGLE_BIT_ECC_ERROR		0x74
    543 #define	K7_CACHE_LINE_INVAL		0x75
    544 #define	K7_CYCLES_PROCESSOR_IS_RUNNING	0x76
    545 #define	K7_L2_REQUEST			0x79
    546 #define	K7_L2_REQUEST_BUSY		0x7a
    547 
    548 /* Instruction Fetch Unit */
    549 #define	K7_IFU_IFETCH			0x80
    550 #define	K7_IFU_IFETCH_MISS		0x81
    551 #define	K7_IFU_REFILL_FROM_L2		0x82
    552 #define	K7_IFU_REFILL_FROM_SYSTEM	0x83
    553 #define	K7_ITLB_L1_MISS			0x84
    554 #define	K7_ITLB_L2_MISS			0x85
    555 #define	K7_SNOOP_RESYNC			0x86
    556 #define	K7_IFU_STALL			0x87
    557 
    558 #define	K7_RETURN_STACK_HITS		0x88
    559 #define	K7_RETURN_STACK_OVERFLOW	0x89
    560 
    561 /* Retired */
    562 #define	K7_RETIRED_INST			0xc0
    563 #define	K7_RETIRED_OPS			0xc1
    564 #define	K7_RETIRED_BRANCHES		0xc2
    565 #define	K7_RETIRED_BRANCH_MISPREDICTED	0xc3
    566 #define	K7_RETIRED_TAKEN_BRANCH		0xc4
    567 #define	K7_RETIRED_TAKEN_BRANCH_MISPREDICTED	0xc5
    568 #define	K7_RETIRED_FAR_CONTROL_TRANSFER	0xc6
    569 #define	K7_RETIRED_RESYNC_BRANCH	0xc7
    570 #define	K7_RETIRED_NEAR_RETURNS		0xc8
    571 #define	K7_RETIRED_NEAR_RETURNS_MISPREDICTED	0xc9
    572 #define	K7_RETIRED_INDIRECT_MISPREDICTED	0xca
    573 
    574 /* Interrupts */
    575 #define	K7_CYCLES_INT_MASKED		0xcd
    576 #define	K7_CYCLES_INT_PENDING_AND_MASKED	0xce
    577 #define	K7_HW_INTR_RECV			0xcf
    578 
    579 #define	K7_INSTRUCTION_DECODER_EMPTY	0xd0
    580 #define	K7_DISPATCH_STALLS		0xd1
    581 #define	K7_BRANCH_ABORTS_TO_RETIRE	0xd2
    582 #define	K7_SERIALIZE			0xd3
    583 #define	K7_SEGMENT_LOAD_STALL		0xd4
    584 #define	K7_ICU_FULL			0xd5
    585 #define	K7_RESERVATION_STATIONS_FULL	0xd6
    586 #define	K7_FPU_FULL			0xd7
    587 #define	K7_LS_FULL			0xd8
    588 #define	K7_ALL_QUIET_STALL		0xd9
    589 #define	K7_FAR_TRANSFER_OR_RESYNC_BRANCH_PENDING	0xda
    590 
    591 #define	K7_BP0_MATCH			0xdc
    592 #define	K7_BP1_MATCH			0xdd
    593 #define	K7_BP2_MATCH			0xde
    594 #define	K7_BP3_MATCH			0xdf
    595