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cpuregs.h revision 1.74.28.14
      1 /*	$NetBSD: cpuregs.h,v 1.74.28.14 2010/02/05 07:36:51 matt Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Ralph Campbell and Rick Macklem.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  *	@(#)machConst.h 8.1 (Berkeley) 6/10/93
     35  *
     36  * machConst.h --
     37  *
     38  *	Machine dependent constants.
     39  *
     40  *	Copyright (C) 1989 Digital Equipment Corporation.
     41  *	Permission to use, copy, modify, and distribute this software and
     42  *	its documentation for any purpose and without fee is hereby granted,
     43  *	provided that the above copyright notice appears in all copies.
     44  *	Digital Equipment Corporation makes no representations about the
     45  *	suitability of this software for any purpose.  It is provided "as is"
     46  *	without express or implied warranty.
     47  *
     48  * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machConst.h,
     49  *	v 9.2 89/10/21 15:55:22 jhh Exp	 SPRITE (DECWRL)
     50  * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machAddrs.h,
     51  *	v 1.2 89/08/15 18:28:21 rab Exp	 SPRITE (DECWRL)
     52  * from: Header: /sprite/src/kernel/vm/ds3100.md/RCS/vmPmaxConst.h,
     53  *	v 9.1 89/09/18 17:33:00 shirriff Exp  SPRITE (DECWRL)
     54  */
     55 
     56 #ifndef _MIPS_CPUREGS_H_
     57 #define	_MIPS_CPUREGS_H_
     58 
     59 #include <sys/cdefs.h>		/* For __CONCAT() */
     60 
     61 #if defined(_KERNEL_OPT)
     62 #include "opt_cputype.h"
     63 #endif
     64 
     65 /*
     66  * Address space.
     67  * 32-bit mips CPUS partition their 32-bit address space into four segments:
     68  *
     69  * kuseg   0x00000000 - 0x7fffffff  User virtual mem,  mapped
     70  * kseg0   0x80000000 - 0x9fffffff  Physical memory, cached, unmapped
     71  * kseg1   0xa0000000 - 0xbfffffff  Physical memory, uncached, unmapped
     72  * kseg2   0xc0000000 - 0xffffffff  kernel-virtual,  mapped
     73  *
     74  * mips1 physical memory is limited to 512Mbytes, which is
     75  * doubly mapped in kseg0 (cached) and kseg1 (uncached.)
     76  * Caching of mapped addresses is controlled by bits in the TLB entry.
     77  */
     78 
     79 #ifdef _LP64
     80 #define	MIPS_XUSEG_START		(0L << 62)
     81 #define	MIPS_XUSEG_P(x)			(((uint64_t)(x) >> 62) == 0)
     82 #define	MIPS_USEG_P(x)			((uintptr_t)(x) < 0x80000000L)
     83 #define	MIPS_XSSEG_START		(1L << 62)
     84 #define	MIPS_XSSEG_P(x)			(((uint64_t)(x) >> 62) == 1)
     85 #endif
     86 
     87 /*
     88  * MIPS addresses are signed and we defining as negative so that
     89  * in LP64 kern they get sign-extended correctly.
     90  */
     91 #ifndef _LOCORE
     92 #define	MIPS_KSEG0_START		(-0x7fffffffL-1) /* 0x80000000 */
     93 #define	MIPS_KSEG1_START		-0x60000000L	/* 0xa0000000 */
     94 #define	MIPS_KSEG2_START		-0x40000000L	/* 0xc0000000 */
     95 #define	MIPS_MAX_MEM_ADDR		-0x42000000L	/* 0xbe000000 */
     96 #define	MIPS_RESERVED_ADDR		-0x40380000L	/* 0xbfc80000 */
     97 #endif
     98 
     99 #define	MIPS_PHYS_MASK			0x1fffffff
    100 
    101 #define	MIPS_KSEG0_TO_PHYS(x)	((uintptr_t)(x) & MIPS_PHYS_MASK)
    102 #define	MIPS_PHYS_TO_KSEG0(x)	((uintptr_t)(x) | (intptr_t)MIPS_KSEG0_START)
    103 #define	MIPS_KSEG1_TO_PHYS(x)	((uintptr_t)(x) & MIPS_PHYS_MASK)
    104 #define	MIPS_PHYS_TO_KSEG1(x)	((uintptr_t)(x) | (intptr_t)MIPS_KSEG1_START)
    105 
    106 #define	MIPS_KSEG0_P(x)		(((intptr_t)(x) & ~MIPS_PHYS_MASK) == MIPS_KSEG0_START)
    107 #define	MIPS_KSEG1_P(x)		(((intptr_t)(x) & ~MIPS_PHYS_MASK) == MIPS_KSEG1_START)
    108 #define	MIPS_KSEG2_P(x)		((uintptr_t)MIPS_KSEG2_START <= (uintptr_t)(x))
    109 
    110 /* Map virtual address to index in mips3 r4k virtually-indexed cache */
    111 #define	MIPS3_VA_TO_CINDEX(x) \
    112 		(((intptr_t)(x) & 0xffffff) | MIPS_KSEG0_START)
    113 
    114 #ifndef _LOCORE
    115 #define	MIPS_XSEG_MASK		(0x3fffffffffffffffLL)
    116 #define	MIPS_XKSEG_START	(0x3ULL << 62)
    117 #define	MIPS_XKSEG_P(x)		(((uint64_t)(x) >> 62) == 3)
    118 
    119 #define	MIPS_XKPHYS_START	(0x2ULL << 62)
    120 #define	MIPS_PHYS_TO_XKPHYS_UNCACHED(x) \
    121 	(MIPS_XKPHYS_START | ((uint64_t)(CCA_UNCACHED) << 59) | (x))
    122 #define	MIPS_PHYS_TO_XKPHYS_CACHED(x) \
    123 	(mips_options.mips3_xkphys_cached | (x))
    124 #define	MIPS_PHYS_TO_XKPHYS(cca,x) \
    125 	(MIPS_XKPHYS_START | ((uint64_t)(cca) << 59) | (x))
    126 #define	MIPS_XKPHYS_TO_PHYS(x)	((uint64_t)(x) & 0x07ffffffffffffffLL)
    127 #define	MIPS_XKPHYS_TO_CCA(x)	(((uint64_t)(x) >> 59) & 7)
    128 #define	MIPS_XKPHYS_P(x)	(((uint64_t)(x) >> 62) == 2)
    129 #endif	/* _LOCORE */
    130 
    131 #define	CCA_UNCACHED		2
    132 #define	CCA_CACHEABLE		3	/* cacheable non-coherent */
    133 
    134 /* CPU dependent mtc0 hazard hook */
    135 #define	COP0_SYNC		/* nothing */
    136 #define	COP0_HAZARD_FPUENABLE	nop; nop; nop; nop;
    137 
    138 /*
    139  * The bits in the cause register.
    140  *
    141  * Bits common to r3000 and r4000:
    142  *
    143  *	MIPS_CR_BR_DELAY	Exception happened in branch delay slot.
    144  *	MIPS_CR_COP_ERR		Coprocessor error.
    145  *	MIPS_CR_IP		Interrupt pending bits defined below.
    146  *				(same meaning as in CAUSE register).
    147  *	MIPS_CR_EXC_CODE	The exception type (see exception codes below).
    148  *
    149  * Differences:
    150  *  r3k has 4 bits of execption type, r4k has 5 bits.
    151  */
    152 #define	MIPS_CR_BR_DELAY	0x80000000
    153 #define	MIPS_CR_COP_ERR		0x30000000
    154 #define	MIPS1_CR_EXC_CODE	0x0000003C	/* four bits */
    155 #define	MIPS3_CR_EXC_CODE	0x0000007C	/* five bits */
    156 #define	MIPS_CR_IP		0x0000FF00
    157 #define	MIPS_CR_EXC_CODE_SHIFT	2
    158 
    159 /*
    160  * The bits in the status register.  All bits are active when set to 1.
    161  *
    162  *	R3000 status register fields:
    163  *	MIPS_SR_COP_USABILITY	Control the usability of the four coprocessors.
    164  *	MIPS_SR_TS		TLB shutdown.
    165  *
    166  *	MIPS_SR_INT_IE		Master (current) interrupt enable bit.
    167  *
    168  * Differences:
    169  *	r3k has cache control is via frobbing SR register bits, whereas the
    170  *	r4k cache control is via explicit instructions.
    171  *	r3k has a 3-entry stack of kernel/user bits, whereas the
    172  *	r4k has kernel/supervisor/user.
    173  */
    174 #define	MIPS_SR_COP_USABILITY	0xf0000000
    175 #define	MIPS_SR_COP_0_BIT	0x10000000
    176 #define	MIPS_SR_COP_1_BIT	0x20000000
    177 
    178 	/* r4k and r3k differences, see below */
    179 
    180 #define	MIPS_SR_MX		0x01000000	/* MIPS64 */
    181 #define	MIPS_SR_PX		0x00800000	/* MIPS64 */
    182 #define	MIPS_SR_BEV		0x00400000	/* Use boot exception vector */
    183 #define	MIPS_SR_TS		0x00200000
    184 
    185 	/* r4k and r3k differences, see below */
    186 
    187 #define	MIPS_SR_INT_IE		0x00000001
    188 /*#define MIPS_SR_MBZ		0x0f8000c0*/	/* Never used, true for r3k */
    189 /*#define MIPS_SR_INT_MASK	0x0000ff00*/
    190 
    191 
    192 /*
    193  * The R2000/R3000-specific status register bit definitions.
    194  * all bits are active when set to 1.
    195  *
    196  *	MIPS_SR_PARITY_ERR	Parity error.
    197  *	MIPS_SR_CACHE_MISS	Most recent D-cache load resulted in a miss.
    198  *	MIPS_SR_PARITY_ZERO	Zero replaces outgoing parity bits.
    199  *	MIPS_SR_SWAP_CACHES	Swap I-cache and D-cache.
    200  *	MIPS_SR_ISOL_CACHES	Isolate D-cache from main memory.
    201  *				Interrupt enable bits defined below.
    202  *	MIPS_SR_KU_OLD		Old kernel/user mode bit. 1 => user mode.
    203  *	MIPS_SR_INT_ENA_OLD	Old interrupt enable bit.
    204  *	MIPS_SR_KU_PREV		Previous kernel/user mode bit. 1 => user mode.
    205  *	MIPS_SR_INT_ENA_PREV	Previous interrupt enable bit.
    206  *	MIPS_SR_KU_CUR		Current kernel/user mode bit. 1 => user mode.
    207  */
    208 
    209 #define	MIPS1_PARITY_ERR	0x00100000
    210 #define	MIPS1_CACHE_MISS	0x00080000
    211 #define	MIPS1_PARITY_ZERO	0x00040000
    212 #define	MIPS1_SWAP_CACHES	0x00020000
    213 #define	MIPS1_ISOL_CACHES	0x00010000
    214 
    215 #define	MIPS1_SR_KU_OLD		0x00000020	/* 2nd stacked KU/IE*/
    216 #define	MIPS1_SR_INT_ENA_OLD	0x00000010	/* 2nd stacked KU/IE*/
    217 #define	MIPS1_SR_KU_PREV	0x00000008	/* 1st stacked KU/IE*/
    218 #define	MIPS1_SR_INT_ENA_PREV	0x00000004	/* 1st stacked KU/IE*/
    219 #define	MIPS1_SR_KU_CUR		0x00000002	/* current KU */
    220 
    221 /* backwards compatibility */
    222 #define	MIPS_SR_PARITY_ERR	MIPS1_PARITY_ERR
    223 #define	MIPS_SR_CACHE_MISS	MIPS1_CACHE_MISS
    224 #define	MIPS_SR_PARITY_ZERO	MIPS1_PARITY_ZERO
    225 #define	MIPS_SR_SWAP_CACHES	MIPS1_SWAP_CACHES
    226 #define	MIPS_SR_ISOL_CACHES	MIPS1_ISOL_CACHES
    227 
    228 #define	MIPS_SR_KU_OLD		MIPS1_SR_KU_OLD
    229 #define	MIPS_SR_INT_ENA_OLD	MIPS1_SR_INT_ENA_OLD
    230 #define	MIPS_SR_KU_PREV		MIPS1_SR_KU_PREV
    231 #define	MIPS_SR_KU_CUR		MIPS1_SR_KU_CUR
    232 #define	MIPS_SR_INT_ENA_PREV	MIPS1_SR_INT_ENA_PREV
    233 
    234 /*
    235  * R4000 status register bit definitons,
    236  * where different from r2000/r3000.
    237  */
    238 #define	MIPS3_SR_XX		0x80000000
    239 #define	MIPS3_SR_RP		0x08000000
    240 #define	MIPS3_SR_FR		0x04000000
    241 #define	MIPS3_SR_RE		0x02000000
    242 
    243 #define	MIPS3_SR_DIAG_DL	0x01000000		/* QED 52xx */
    244 #define	MIPS3_SR_DIAG_IL	0x00800000		/* QED 52xx */
    245 #define	MIPS3_SR_PX		0x00800000		/* MIPS64 */
    246 #define	MIPS3_SR_SR		0x00100000
    247 #define	MIPS3_SR_NMI		0x00080000		/* MIPS32/64 */
    248 #define	MIPS3_SR_DIAG_CH	0x00040000
    249 #define	MIPS3_SR_DIAG_CE	0x00020000
    250 #define	MIPS3_SR_DIAG_PE	0x00010000
    251 #define	MIPS3_SR_EIE		0x00010000		/* TX79/R5900 */
    252 #define	MIPS3_SR_KX		0x00000080
    253 #define	MIPS3_SR_SX		0x00000040
    254 #define	MIPS3_SR_UX		0x00000020
    255 #define	MIPS3_SR_KSU_MASK	0x00000018
    256 #define	MIPS3_SR_KSU_USER	0x00000010
    257 #define	MIPS3_SR_KSU_SUPER	0x00000008
    258 #define	MIPS3_SR_KSU_KERNEL	0x00000000
    259 #define	MIPS3_SR_ERL		0x00000004
    260 #define	MIPS3_SR_EXL		0x00000002
    261 
    262 #ifdef MIPS3_5900
    263 #undef MIPS_SR_INT_IE
    264 #define	MIPS_SR_INT_IE		0x00010001		/* XXX */
    265 #endif
    266 
    267 #define	MIPS_SR_SOFT_RESET	MIPS3_SR_SOFT_RESET
    268 #define	MIPS_SR_DIAG_CH		MIPS3_SR_DIAG_CH
    269 #define	MIPS_SR_DIAG_CE		MIPS3_SR_DIAG_CE
    270 #define	MIPS_SR_DIAG_PE		MIPS3_SR_DIAG_PE
    271 #define	MIPS_SR_KX		MIPS3_SR_KX
    272 #define	MIPS_SR_SX		MIPS3_SR_SX
    273 #define	MIPS_SR_UX		MIPS3_SR_UX
    274 
    275 #define	MIPS_SR_KSU_MASK	MIPS3_SR_KSU_MASK
    276 #define	MIPS_SR_KSU_USER	MIPS3_SR_KSU_USER
    277 #define	MIPS_SR_KSU_SUPER	MIPS3_SR_KSU_SUPER
    278 #define	MIPS_SR_KSU_KERNEL	MIPS3_SR_KSU_KERNEL
    279 #define	MIPS_SR_ERL		MIPS3_SR_ERL
    280 #define	MIPS_SR_EXL		MIPS3_SR_EXL
    281 
    282 
    283 /*
    284  * The interrupt masks.
    285  * If a bit in the mask is 1 then the interrupt is enabled (or pending).
    286  */
    287 #define	MIPS_INT_MASK		0xff00
    288 #define	MIPS_INT_MASK_5		0x8000
    289 #define	MIPS_INT_MASK_4		0x4000
    290 #define	MIPS_INT_MASK_3		0x2000
    291 #define	MIPS_INT_MASK_2		0x1000
    292 #define	MIPS_INT_MASK_1		0x0800
    293 #define	MIPS_INT_MASK_0		0x0400
    294 #define	MIPS_HARD_INT_MASK	0xfc00
    295 #define	MIPS_SOFT_INT_MASK_1	0x0200
    296 #define	MIPS_SOFT_INT_MASK_0	0x0100
    297 #define	MIPS_SOFT_INT_MASK	0x0300
    298 #define	MIPS_INT_MASK_SHIFT	8
    299 
    300 /*
    301  * mips3 CPUs have on-chip timer at INT_MASK_5.  Each platform can
    302  * choose to enable this interrupt.
    303  */
    304 #if defined(MIPS3_ENABLE_CLOCK_INTR)
    305 #define	MIPS3_INT_MASK			MIPS_INT_MASK
    306 #define	MIPS3_HARD_INT_MASK		MIPS_HARD_INT_MASK
    307 #else
    308 #define	MIPS3_INT_MASK			(MIPS_INT_MASK &  ~MIPS_INT_MASK_5)
    309 #define	MIPS3_HARD_INT_MASK		(MIPS_HARD_INT_MASK & ~MIPS_INT_MASK_5)
    310 #endif
    311 
    312 /*
    313  * The bits in the context register.
    314  */
    315 #define	MIPS1_CNTXT_PTE_BASE	0xFFE00000
    316 #define	MIPS1_CNTXT_BAD_VPN	0x001FFFFC
    317 
    318 #define	MIPS3_CNTXT_PTE_BASE	0xFF800000
    319 #define	MIPS3_CNTXT_BAD_VPN2	0x007FFFF0
    320 
    321 /*
    322  * The bits in the MIPS3 config register.
    323  *
    324  *	bit 0..5: R/W, Bit 6..31: R/O
    325  */
    326 
    327 /* kseg0 coherency algorithm - see MIPS3_TLB_ATTR values */
    328 #define	MIPS3_CONFIG_K0_MASK	0x00000007
    329 
    330 /*
    331  * R/W Update on Store Conditional
    332  *	0: Store Conditional uses coherency algorithm specified by TLB
    333  *	1: Store Conditional uses cacheable coherent update on write
    334  */
    335 #define	MIPS3_CONFIG_CU		0x00000008
    336 
    337 #define	MIPS3_CONFIG_DB		0x00000010	/* Primary D-cache line size */
    338 #define	MIPS3_CONFIG_IB		0x00000020	/* Primary I-cache line size */
    339 #define	MIPS3_CONFIG_CACHE_L1_LSIZE(config, bit) \
    340 	(((config) & (bit)) ? 32 : 16)
    341 
    342 #define	MIPS3_CONFIG_DC_MASK	0x000001c0	/* Primary D-cache size */
    343 #define	MIPS3_CONFIG_DC_SHIFT	6
    344 #define	MIPS3_CONFIG_IC_MASK	0x00000e00	/* Primary I-cache size */
    345 #define	MIPS3_CONFIG_IC_SHIFT	9
    346 #define	MIPS3_CONFIG_C_DEFBASE	0x1000		/* default base 2^12 */
    347 
    348 /* Cache size mode indication: available only on Vr41xx CPUs */
    349 #define	MIPS3_CONFIG_CS		0x00001000
    350 #define	MIPS3_CONFIG_C_4100BASE	0x0400		/* base is 2^10 if CS=1 */
    351 #define	MIPS3_CONFIG_CACHE_SIZE(config, mask, base, shift) \
    352 	((base) << (((config) & (mask)) >> (shift)))
    353 
    354 /* External cache enable: Controls L2 for R5000/Rm527x and L3 for Rm7000 */
    355 #define	MIPS3_CONFIG_SE		0x00001000
    356 
    357 /* Block ordering: 0: sequential, 1: sub-block */
    358 #define	MIPS3_CONFIG_EB		0x00002000
    359 
    360 /* ECC mode - 0: ECC mode, 1: parity mode */
    361 #define	MIPS3_CONFIG_EM		0x00004000
    362 
    363 /* BigEndianMem - 0: kernel and memory are little endian, 1: big endian */
    364 #define	MIPS3_CONFIG_BE		0x00008000
    365 
    366 /* Dirty Shared coherency state - 0: enabled, 1: disabled */
    367 #define	MIPS3_CONFIG_SM		0x00010000
    368 
    369 /* Secondary Cache - 0: present, 1: not present */
    370 #define	MIPS3_CONFIG_SC		0x00020000
    371 
    372 /* System Port width - 0: 64-bit, 1: 32-bit (QED RM523x), 2,3: reserved */
    373 #define	MIPS3_CONFIG_EW_MASK	0x000c0000
    374 #define	MIPS3_CONFIG_EW_SHIFT	18
    375 
    376 /* Secondary Cache port width - 0: 128-bit data path to S-cache, 1: reserved */
    377 #define	MIPS3_CONFIG_SW		0x00100000
    378 
    379 /* Split Secondary Cache Mode - 0: I/D mixed, 1: I/D separated by SCAddr(17) */
    380 #define	MIPS3_CONFIG_SS		0x00200000
    381 
    382 /* Secondary Cache line size */
    383 #define	MIPS3_CONFIG_SB_MASK	0x00c00000
    384 #define	MIPS3_CONFIG_SB_SHIFT	22
    385 #define	MIPS3_CONFIG_CACHE_L2_LSIZE(config) \
    386 	(0x10 << (((config) & MIPS3_CONFIG_SB_MASK) >> MIPS3_CONFIG_SB_SHIFT))
    387 
    388 /* Write back data rate */
    389 #define	MIPS3_CONFIG_EP_MASK	0x0f000000
    390 #define	MIPS3_CONFIG_EP_SHIFT	24
    391 
    392 /* System clock ratio - this value is CPU dependent */
    393 #define	MIPS3_CONFIG_EC_MASK	0x70000000
    394 #define	MIPS3_CONFIG_EC_SHIFT	28
    395 
    396 /* Master-Checker Mode - 1: enabled */
    397 #define	MIPS3_CONFIG_CM		0x80000000
    398 
    399 /*
    400  * The bits in the MIPS4 config register.
    401  */
    402 
    403 /* kseg0 coherency algorithm - see MIPS3_TLB_ATTR values */
    404 #define	MIPS4_CONFIG_K0_MASK	MIPS3_CONFIG_K0_MASK
    405 #define	MIPS4_CONFIG_DN_MASK	0x00000018	/* Device number */
    406 #define	MIPS4_CONFIG_CT		0x00000020	/* CohPrcReqTar */
    407 #define	MIPS4_CONFIG_PE		0x00000040	/* PreElmReq */
    408 #define	MIPS4_CONFIG_PM_MASK	0x00000180	/* PreReqMax */
    409 #define	MIPS4_CONFIG_EC_MASK	0x00001e00	/* SysClkDiv */
    410 #define	MIPS4_CONFIG_SB		0x00002000	/* SCBlkSize */
    411 #define	MIPS4_CONFIG_SK		0x00004000	/* SCColEn */
    412 #define	MIPS4_CONFIG_BE		0x00008000	/* MemEnd */
    413 #define	MIPS4_CONFIG_SS_MASK	0x00070000	/* SCSize */
    414 #define	MIPS4_CONFIG_SC_MASK	0x00380000	/* SCClkDiv */
    415 #define	MIPS4_CONFIG_RESERVED	0x03c00000	/* Reserved wired 0 */
    416 #define	MIPS4_CONFIG_DC_MASK	0x1c000000	/* Primary D-Cache size */
    417 #define	MIPS4_CONFIG_IC_MASK	0xe0000000	/* Primary I-Cache size */
    418 
    419 #define	MIPS4_CONFIG_DC_SHIFT	26
    420 #define	MIPS4_CONFIG_IC_SHIFT	29
    421 
    422 #define	MIPS4_CONFIG_CACHE_SIZE(config, mask, base, shift)		\
    423 	((base) << (((config) & (mask)) >> (shift)))
    424 
    425 #define	MIPS4_CONFIG_CACHE_L2_LSIZE(config)				\
    426 	(((config) & MIPS4_CONFIG_SB) ? 128 : 64)
    427 
    428 /*
    429  * Location of exception vectors.
    430  *
    431  * Common vectors:  reset and UTLB miss.
    432  */
    433 #define	MIPS_RESET_EXC_VEC	MIPS_PHYS_TO_KSEG1(0x1FC00000)
    434 #define	MIPS_UTLB_MISS_EXC_VEC	MIPS_PHYS_TO_KSEG0(0)
    435 
    436 /*
    437  * MIPS-1 general exception vector (everything else)
    438  */
    439 #define	MIPS1_GEN_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0080)
    440 
    441 /*
    442  * MIPS-III exception vectors
    443  */
    444 #define	MIPS3_XTLB_MISS_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0080)
    445 #define	MIPS3_CACHE_ERR_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0100)
    446 #define	MIPS3_GEN_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0180)
    447 
    448 /*
    449  * TX79 (R5900) exception vectors
    450  */
    451 #define MIPS_R5900_COUNTER_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0080)
    452 #define MIPS_R5900_DEBUG_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0100)
    453 
    454 /*
    455  * MIPS32/MIPS64 (and some MIPS3) dedicated interrupt vector.
    456  */
    457 #define	MIPS3_INTR_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0200)
    458 
    459 /*
    460  * Coprocessor 0 registers:
    461  *
    462  *				v--- width for mips I,III,32,64
    463  *				     (3=32bit, 6=64bit, i=impl dep)
    464  *  0	MIPS_COP_0_TLB_INDEX	3333 TLB Index.
    465  *  1	MIPS_COP_0_TLB_RANDOM	3333 TLB Random.
    466  *  2	MIPS_COP_0_TLB_LOW	3... r3k TLB entry low.
    467  *  2	MIPS_COP_0_TLB_LO0	.636 r4k TLB entry low.
    468  *  3	MIPS_COP_0_TLB_LO1	.636 r4k TLB entry low, extended.
    469  *  4	MIPS_COP_0_TLB_CONTEXT	3636 TLB Context.
    470  *  5	MIPS_COP_0_TLB_PG_MASK	.333 TLB Page Mask register.
    471  *  6	MIPS_COP_0_TLB_WIRED	.333 Wired TLB number.
    472  *  8	MIPS_COP_0_BAD_VADDR	3636 Bad virtual address.
    473  *  9	MIPS_COP_0_COUNT	.333 Count register.
    474  * 10	MIPS_COP_0_TLB_HI	3636 TLB entry high.
    475  * 11	MIPS_COP_0_COMPARE	.333 Compare (against Count).
    476  * 12	MIPS_COP_0_STATUS	3333 Status register.
    477  * 13	MIPS_COP_0_CAUSE	3333 Exception cause register.
    478  * 14	MIPS_COP_0_EXC_PC	3636 Exception PC.
    479  * 15	MIPS_COP_0_PRID		3333 Processor revision identifier.
    480  * 15/1	MIPS_COP_0_EBASE	..33 Exception Base
    481  * 16	MIPS_COP_0_CONFIG	3333 Configuration register.
    482  * 16/1	MIPS_COP_0_CONFIG1	..33 Configuration register 1.
    483  * 16/2	MIPS_COP_0_CONFIG2	..33 Configuration register 2.
    484  * 16/3	MIPS_COP_0_CONFIG3	..33 Configuration register 3.
    485  * 17	MIPS_COP_0_LLADDR	.336 Load Linked Address.
    486  * 18	MIPS_COP_0_WATCH_LO	.336 WatchLo register.
    487  * 19	MIPS_COP_0_WATCH_HI	.333 WatchHi register.
    488  * 20	MIPS_COP_0_TLB_XCONTEXT .6.6 TLB XContext register.
    489  * 23	MIPS_COP_0_DEBUG	.... Debug JTAG register.
    490  * 24	MIPS_COP_0_DEPC		.... DEPC JTAG register.
    491  * 25	MIPS_COP_0_PERFCNT	..36 Performance Counter register.
    492  * 26	MIPS_COP_0_ECC		.3ii ECC / Error Control register.
    493  * 27	MIPS_COP_0_CACHE_ERR	.3ii Cache Error register.
    494  * 28/0	MIPS_COP_0_TAG_LO	.3ii Cache TagLo register (instr).
    495  * 28/1	MIPS_COP_0_DATA_LO	..ii Cache DataLo register (instr).
    496  * 28/2	MIPS_COP_0_TAG_LO	..ii Cache TagLo register (data).
    497  * 28/3	MIPS_COP_0_DATA_LO	..ii Cache DataLo register (data).
    498  * 29/0	MIPS_COP_0_TAG_HI	.3ii Cache TagHi register (instr).
    499  * 29/1	MIPS_COP_0_DATA_HI	..ii Cache DataHi register (instr).
    500  * 29/2	MIPS_COP_0_TAG_HI	..ii Cache TagHi register (data).
    501  * 29/3	MIPS_COP_0_DATA_HI	..ii Cache DataHi register (data).
    502  * 30	MIPS_COP_0_ERROR_PC	.636 Error EPC register.
    503  * 31	MIPS_COP_0_DESAVE	.... DESAVE JTAG register.
    504  */
    505 #ifdef _LOCORE
    506 #define	_(n)	__CONCAT($,n)
    507 #else
    508 #define	_(n)	n
    509 #endif
    510 #define	MIPS_COP_0_TLB_INDEX	_(0)
    511 #define	MIPS_COP_0_TLB_RANDOM	_(1)
    512 	/* Name and meaning of	TLB bits for $2 differ on r3k and r4k. */
    513 
    514 #define	MIPS_COP_0_TLB_CONTEXT	_(4)
    515 					/* $5 and $6 new with MIPS-III */
    516 #define	MIPS_COP_0_BAD_VADDR	_(8)
    517 #define	MIPS_COP_0_TLB_HI	_(10)
    518 #define	MIPS_COP_0_STATUS	_(12)
    519 #define	MIPS_COP_0_CAUSE	_(13)
    520 #define	MIPS_COP_0_EXC_PC	_(14)
    521 #define	MIPS_COP_0_PRID		_(15)
    522 
    523 
    524 /* MIPS-I */
    525 #define	MIPS_COP_0_TLB_LOW	_(2)
    526 
    527 /* MIPS-III */
    528 #define	MIPS_COP_0_TLB_LO0	_(2)
    529 #define	MIPS_COP_0_TLB_LO1	_(3)
    530 
    531 #define	MIPS_COP_0_TLB_PG_MASK	_(5)
    532 #define	MIPS_COP_0_TLB_WIRED	_(6)
    533 
    534 #define	MIPS_COP_0_COUNT	_(9)
    535 #define	MIPS_COP_0_COMPARE	_(11)
    536 
    537 #define	MIPS_COP_0_CONFIG	_(16)
    538 #define	MIPS_COP_0_LLADDR	_(17)
    539 #define	MIPS_COP_0_WATCH_LO	_(18)
    540 #define	MIPS_COP_0_WATCH_HI	_(19)
    541 #define	MIPS_COP_0_TLB_XCONTEXT _(20)
    542 #define	MIPS_COP_0_ECC		_(26)
    543 #define	MIPS_COP_0_CACHE_ERR	_(27)
    544 #define	MIPS_COP_0_TAG_LO	_(28)
    545 #define	MIPS_COP_0_TAG_HI	_(29)
    546 #define	MIPS_COP_0_ERROR_PC	_(30)
    547 
    548 /* MIPS32/64 */
    549 #define	MIPS_COP_0_DEBUG	_(23)
    550 #define	MIPS_COP_0_DEPC		_(24)
    551 #define	MIPS_COP_0_PERFCNT	_(25)
    552 #define	MIPS_COP_0_DATA_LO	_(28)
    553 #define	MIPS_COP_0_DATA_HI	_(29)
    554 #define	MIPS_COP_0_DESAVE	_(31)
    555 
    556 /*
    557  * Values for the code field in a break instruction.
    558  */
    559 #define	MIPS_BREAK_INSTR	0x0000000d
    560 #define	MIPS_BREAK_VAL_MASK	0x03ff0000
    561 #define	MIPS_BREAK_VAL_SHIFT	16
    562 #define	MIPS_BREAK_KDB_VAL	512
    563 #define	MIPS_BREAK_SSTEP_VAL	513
    564 #define	MIPS_BREAK_BRKPT_VAL	514
    565 #define	MIPS_BREAK_SOVER_VAL	515
    566 #define	MIPS_BREAK_KDB		(MIPS_BREAK_INSTR | \
    567 				(MIPS_BREAK_KDB_VAL << MIPS_BREAK_VAL_SHIFT))
    568 #define	MIPS_BREAK_SSTEP	(MIPS_BREAK_INSTR | \
    569 				(MIPS_BREAK_SSTEP_VAL << MIPS_BREAK_VAL_SHIFT))
    570 #define	MIPS_BREAK_BRKPT	(MIPS_BREAK_INSTR | \
    571 				(MIPS_BREAK_BRKPT_VAL << MIPS_BREAK_VAL_SHIFT))
    572 #define	MIPS_BREAK_SOVER	(MIPS_BREAK_INSTR | \
    573 				(MIPS_BREAK_SOVER_VAL << MIPS_BREAK_VAL_SHIFT))
    574 
    575 /*
    576  * Mininum and maximum cache sizes.
    577  */
    578 #define	MIPS_MIN_CACHE_SIZE	(16 * 1024)
    579 #define	MIPS_MAX_CACHE_SIZE	(256 * 1024)
    580 #define	MIPS3_MAX_PCACHE_SIZE	(32 * 1024)	/* max. primary cache size */
    581 
    582 /*
    583  * The floating point version and status registers.
    584  */
    585 #define	MIPS_FPU_ID	$0
    586 #define	MIPS_FPU_CSR	$31
    587 
    588 /*
    589  * The floating point coprocessor status register bits.
    590  */
    591 #define	MIPS_FPU_ROUNDING_BITS		0x00000003
    592 #define	MIPS_FPU_ROUND_RN		0x00000000
    593 #define	MIPS_FPU_ROUND_RZ		0x00000001
    594 #define	MIPS_FPU_ROUND_RP		0x00000002
    595 #define	MIPS_FPU_ROUND_RM		0x00000003
    596 #define	MIPS_FPU_STICKY_BITS		0x0000007c
    597 #define	MIPS_FPU_STICKY_INEXACT		0x00000004
    598 #define	MIPS_FPU_STICKY_UNDERFLOW	0x00000008
    599 #define	MIPS_FPU_STICKY_OVERFLOW	0x00000010
    600 #define	MIPS_FPU_STICKY_DIV0		0x00000020
    601 #define	MIPS_FPU_STICKY_INVALID		0x00000040
    602 #define	MIPS_FPU_ENABLE_BITS		0x00000f80
    603 #define	MIPS_FPU_ENABLE_INEXACT		0x00000080
    604 #define	MIPS_FPU_ENABLE_UNDERFLOW	0x00000100
    605 #define	MIPS_FPU_ENABLE_OVERFLOW	0x00000200
    606 #define	MIPS_FPU_ENABLE_DIV0		0x00000400
    607 #define	MIPS_FPU_ENABLE_INVALID		0x00000800
    608 #define	MIPS_FPU_EXCEPTION_BITS		0x0003f000
    609 #define	MIPS_FPU_EXCEPTION_INEXACT	0x00001000
    610 #define	MIPS_FPU_EXCEPTION_UNDERFLOW	0x00002000
    611 #define	MIPS_FPU_EXCEPTION_OVERFLOW	0x00004000
    612 #define	MIPS_FPU_EXCEPTION_DIV0		0x00008000
    613 #define	MIPS_FPU_EXCEPTION_INVALID	0x00010000
    614 #define	MIPS_FPU_EXCEPTION_UNIMPL	0x00020000
    615 #define	MIPS_FPU_COND_BIT		0x00800000
    616 #define	MIPS_FPU_FLUSH_BIT		0x01000000	/* r4k,	 MBZ on r3k */
    617 #define	MIPS1_FPC_MBZ_BITS		0xff7c0000
    618 #define	MIPS3_FPC_MBZ_BITS		0xfe7c0000
    619 
    620 
    621 /*
    622  * Constants to determine if have a floating point instruction.
    623  */
    624 #define	MIPS_OPCODE_SHIFT	26
    625 #define	MIPS_OPCODE_C1		0x11
    626 
    627 
    628 /*
    629  * The low part of the TLB entry.
    630  */
    631 #define	MIPS1_TLB_PFN			0xfffff000
    632 #define	MIPS1_TLB_NON_CACHEABLE_BIT	0x00000800
    633 #define	MIPS1_TLB_DIRTY_BIT		0x00000400
    634 #define	MIPS1_TLB_VALID_BIT		0x00000200
    635 #define	MIPS1_TLB_GLOBAL_BIT		0x00000100
    636 
    637 #define	MIPS3_TLB_PFN			0x3fffffc0
    638 #define	MIPS3_TLB_ATTR_MASK		0x00000038
    639 #define	MIPS3_TLB_ATTR_SHIFT		3
    640 #define	MIPS3_TLB_DIRTY_BIT		0x00000004
    641 #define	MIPS3_TLB_VALID_BIT		0x00000002
    642 #define	MIPS3_TLB_GLOBAL_BIT		0x00000001
    643 
    644 #define	MIPS1_TLB_PHYS_PAGE_SHIFT	12
    645 #define	MIPS3_TLB_PHYS_PAGE_SHIFT	6
    646 #define	MIPS1_TLB_PF_NUM		MIPS1_TLB_PFN
    647 #define	MIPS3_TLB_PF_NUM		MIPS3_TLB_PFN
    648 #define	MIPS1_TLB_MOD_BIT		MIPS1_TLB_DIRTY_BIT
    649 #define	MIPS3_TLB_MOD_BIT		MIPS3_TLB_DIRTY_BIT
    650 
    651 /*
    652  * MIPS3_TLB_ATTR (CCA) values - coherency algorithm:
    653  * 0: cacheable, noncoherent, write-through, no write allocate
    654  * 1: cacheable, noncoherent, write-through, write allocate
    655  * 2: uncached
    656  * 3: cacheable, noncoherent, write-back (noncoherent)
    657  * 4: cacheable, coherent, write-back, exclusive (exclusive)
    658  * 5: cacheable, coherent, write-back, exclusive on write (sharable)
    659  * 6: cacheable, coherent, write-back, update on write (update)
    660  * 7: uncached, accelerated (gather STORE operations)
    661  */
    662 #define	MIPS3_TLB_ATTR_WT		0 /* IDT */
    663 #define	MIPS3_TLB_ATTR_WT_WRITEALLOCATE 1 /* IDT */
    664 #define	MIPS3_TLB_ATTR_UNCACHED		2 /* R4000/R4400, IDT */
    665 #define	MIPS3_TLB_ATTR_WB_NONCOHERENT	3 /* R4000/R4400, IDT */
    666 #define	MIPS3_TLB_ATTR_WB_EXCLUSIVE	4 /* R4000/R4400 */
    667 #define	MIPS3_TLB_ATTR_WB_SHARABLE	5 /* R4000/R4400 */
    668 #define	MIPS3_TLB_ATTR_WB_UPDATE	6 /* R4000/R4400 */
    669 #define	MIPS4_TLB_ATTR_UNCACHED_ACCELERATED 7 /* R10000 */
    670 
    671 
    672 /*
    673  * The high part of the TLB entry.
    674  */
    675 #define	MIPS1_TLB_VPN			0xfffff000
    676 #define	MIPS1_TLB_PID			0x00000fc0
    677 #define	MIPS1_TLB_PID_SHIFT		6
    678 
    679 #define	MIPS3_TLB_VPN2			0xffffe000
    680 #define	MIPS3_TLB_ASID			0x000000ff
    681 
    682 #define	MIPS1_TLB_VIRT_PAGE_NUM		MIPS1_TLB_VPN
    683 #define	MIPS3_TLB_VIRT_PAGE_NUM		MIPS3_TLB_VPN2
    684 #define	MIPS3_TLB_PID			MIPS3_TLB_ASID
    685 #define	MIPS_TLB_VIRT_PAGE_SHIFT	12
    686 
    687 /*
    688  * r3000: shift count to put the index in the right spot.
    689  */
    690 #define	MIPS1_TLB_INDEX_SHIFT		8
    691 
    692 /*
    693  * The first TLB that write random hits.
    694  */
    695 #define	MIPS1_TLB_FIRST_RAND_ENTRY	8
    696 #define	MIPS3_TLB_WIRED_UPAGES		1
    697 
    698 /*
    699  * The number of process id entries.
    700  */
    701 #define	MIPS1_TLB_NUM_PIDS		64
    702 #define	MIPS3_TLB_NUM_ASIDS		256
    703 
    704 /*
    705  * Patch codes to hide CPU design differences between MIPS1 and MIPS3.
    706  */
    707 
    708 /* XXX simonb: this is before MIPS3_PLUS is defined (and is ugly!) */
    709 
    710 #if !(defined(MIPS3) || defined(MIPS4) || defined(MIPS32) || defined(MIPS64)) \
    711     && defined(MIPS1)				/* XXX simonb must be neater! */
    712 #define	MIPS_TLB_PID_SHIFT		MIPS1_TLB_PID_SHIFT
    713 #define	MIPS_TLB_NUM_PIDS		MIPS1_TLB_NUM_PIDS
    714 #endif
    715 
    716 #if (defined(MIPS3) || defined(MIPS4) || defined(MIPS32) || defined(MIPS64)) \
    717     && !defined(MIPS1)				/* XXX simonb must be neater! */
    718 #define	MIPS_TLB_PID_SHIFT		0
    719 #define	MIPS_TLB_NUM_PIDS		MIPS3_TLB_NUM_ASIDS
    720 #endif
    721 
    722 
    723 #if !defined(MIPS_TLB_PID_SHIFT)
    724 #define	MIPS_TLB_PID_SHIFT \
    725     ((MIPS_HAS_R4K_MMU) ? 0 : MIPS1_TLB_PID_SHIFT)
    726 
    727 #define	MIPS_TLB_NUM_PIDS \
    728     ((MIPS_HAS_R4K_MMU) ? MIPS3_TLB_NUM_ASIDS : MIPS1_TLB_NUM_PIDS)
    729 #endif
    730 
    731 /*
    732  * Hints for the prefetch instruction
    733  */
    734 
    735 /*
    736  * Prefetched data is expected to be read (not modified)
    737  */
    738 #define	PREF_LOAD		0
    739 #define	PREF_LOAD_STREAMED	4	/* but not reused extensively; it */
    740 					/* "streams" through cache.  */
    741 #define	PREF_LOAD_RETAINED	6	/* and reused extensively; it should */
    742 					/* be "retained" in the cache.  */
    743 
    744 /*
    745  * Prefetched data is expected to be stored or modified
    746  */
    747 #define	PREF_STORE		1
    748 #define	PREF_STORE_STREAMED	5	/* but not reused extensively; it */
    749 					/* "streams" through cache.  */
    750 #define	PREF_STORE_RETAINED	7	/* and reused extensively; it should */
    751 					/* be "retained" in the cache.  */
    752 
    753 /*
    754  * data is no longer expected to be used.  For a WB cache, schedule a
    755  * writeback of any dirty data and afterwards free the cache lines.
    756  */
    757 #define	PREF_WB_INV		25
    758 #define	PREF_NUDGE		PREF_WB_INV
    759 
    760 /*
    761  * Prepare for writing an entire cache line without the overhead
    762  * involved in filling the line from memory.
    763  */
    764 #define	PREF_PREPAREFORSTORE	30
    765 
    766 /*
    767  * CPU processor revision IDs for company ID == 0 (non mips32/64 chips)
    768  */
    769 #define	MIPS_R2000	0x01	/* MIPS R2000 			ISA I	*/
    770 #define	MIPS_R3000	0x02	/* MIPS R3000 			ISA I	*/
    771 #define	MIPS_R6000	0x03	/* MIPS R6000 			ISA II	*/
    772 #define	MIPS_R4000	0x04	/* MIPS R4000/R4400 		ISA III */
    773 #define	MIPS_R3LSI	0x05	/* LSI Logic R3000 derivative	ISA I	*/
    774 #define	MIPS_R6000A	0x06	/* MIPS R6000A 			ISA II	*/
    775 #define	MIPS_R3IDT	0x07	/* IDT R3041 or RC36100 	ISA I	*/
    776 #define	MIPS_R10000	0x09	/* MIPS R10000			ISA IV	*/
    777 #define	MIPS_R4200	0x0a	/* NEC VR4200 			ISA III */
    778 #define	MIPS_R4300	0x0b	/* NEC VR4300 			ISA III */
    779 #define	MIPS_R4100	0x0c	/* NEC VR4100 			ISA III */
    780 #define	MIPS_R12000	0x0e	/* MIPS R12000			ISA IV	*/
    781 #define	MIPS_R14000	0x0f	/* MIPS R14000			ISA IV	*/
    782 #define	MIPS_R8000	0x10	/* MIPS R8000 Blackbird/TFP	ISA IV	*/
    783 #define	MIPS_RC32300	0x18	/* IDT RC32334,332,355		ISA 32  */
    784 #define	MIPS_R4600	0x20	/* QED R4600 Orion		ISA III */
    785 #define	MIPS_R4700	0x21	/* QED R4700 Orion		ISA III */
    786 #define	MIPS_R3SONY	0x21	/* Sony R3000 based 		ISA I	*/
    787 #define	MIPS_R4650	0x22	/* QED R4650 			ISA III */
    788 #define	MIPS_TX3900	0x22	/* Toshiba TX39 family		ISA I	*/
    789 #define	MIPS_R5000	0x23	/* MIPS R5000 			ISA IV	*/
    790 #define	MIPS_R3NKK	0x23	/* NKK R3000 based 		ISA I	*/
    791 #define	MIPS_RC32364	0x26	/* IDT RC32364 			ISA 32	*/
    792 #define	MIPS_RM7000	0x27	/* QED RM7000			ISA IV  */
    793 #define	MIPS_RM5200	0x28	/* QED RM5200s 			ISA IV	*/
    794 #define	MIPS_TX4900	0x2d	/* Toshiba TX49 family		ISA III */
    795 #define	MIPS_R5900	0x2e	/* Toshiba R5900 (EECore)	ISA --- */
    796 #define	MIPS_RC64470	0x30	/* IDT RC64474/RC64475 		ISA III */
    797 #define	MIPS_TX7900	0x38	/* Toshiba TX79			ISA III+*/
    798 #define	MIPS_R5400	0x54	/* NEC VR5400 			ISA IV	*/
    799 #define	MIPS_R5500	0x55	/* NEC VR5500 			ISA IV	*/
    800 
    801 /*
    802  * CPU revision IDs for some prehistoric processors.
    803  */
    804 
    805 /* For MIPS_R3000 */
    806 #define	MIPS_REV_R2000A		0x16	/* R2000A uses R3000 proc revision */
    807 #define	MIPS_REV_R3000		0x20
    808 #define	MIPS_REV_R3000A		0x30
    809 
    810 /* For MIPS_TX3900 */
    811 #define	MIPS_REV_TX3912		0x10
    812 #define	MIPS_REV_TX3922		0x30
    813 #define	MIPS_REV_TX3927		0x40
    814 
    815 /* For MIPS_R4000 */
    816 #define	MIPS_REV_R4000_A	0x00
    817 #define	MIPS_REV_R4000_B	0x22
    818 #define	MIPS_REV_R4000_C	0x30
    819 #define	MIPS_REV_R4400_A	0x40
    820 #define	MIPS_REV_R4400_B	0x50
    821 #define	MIPS_REV_R4400_C	0x60
    822 
    823 /* For MIPS_TX4900 */
    824 #define	MIPS_REV_TX4927		0x22
    825 
    826 /*
    827  * CPU processor revision IDs for company ID == 1 (MIPS)
    828  */
    829 #define	MIPS_4Kc	0x80	/* MIPS 4Kc			ISA 32  */
    830 #define	MIPS_5Kc	0x81	/* MIPS 5Kc			ISA 64  */
    831 #define	MIPS_20Kc	0x82	/* MIPS 20Kc			ISA 64  */
    832 #define	MIPS_4Kmp	0x83	/* MIPS 4Km/4Kp			ISA 32  */
    833 #define	MIPS_4KEc	0x84	/* MIPS 4KEc			ISA 32  */
    834 #define	MIPS_4KEmp	0x85	/* MIPS 4KEm/4KEp		ISA 32  */
    835 #define	MIPS_4KSc	0x86	/* MIPS 4KSc			ISA 32  */
    836 #define	MIPS_M4K	0x87	/* MIPS M4K			ISA 32  Rel 2 */
    837 #define	MIPS_25Kf	0x88	/* MIPS 25Kf			ISA 64  */
    838 #define	MIPS_5KE	0x89	/* MIPS 5KE			ISA 64  Rel 2 */
    839 #define	MIPS_4KEc_R2	0x90	/* MIPS 4KEc_R2			ISA 32  Rel 2 */
    840 #define	MIPS_4KEmp_R2	0x91	/* MIPS 4KEm/4KEp_R2		ISA 32  Rel 2 */
    841 #define	MIPS_4KSd	0x92	/* MIPS 4KSd			ISA 32  Rel 2 */
    842 #define	MIPS_24K	0x93	/* MIPS 24Kc/24Kf		ISA 32  Rel 2 */
    843 #define	MIPS_34K	0x95	/* MIPS 34K			ISA 32  R2 MT */
    844 #define	MIPS_24KE	0x96	/* MIPS 24KEc			ISA 32  Rel 2 */
    845 #define	MIPS_74K	0x97	/* MIPS 74Kc/74Kf		ISA 32  Rel 2 */
    846 
    847 /*
    848  * Alchemy (company ID 3) use the processor ID field to donote the CPU core
    849  * revision and the company options field do donate the SOC chip type.
    850  */
    851 /* CPU processor revision IDs */
    852 #define	MIPS_AU_REV1	0x01	/* Alchemy Au1000 (Rev 1)	ISA 32  */
    853 #define	MIPS_AU_REV2	0x02	/* Alchemy Au1000 (Rev 2)	ISA 32  */
    854 /* CPU company options IDs */
    855 #define	MIPS_AU1000	0x00
    856 #define	MIPS_AU1500	0x01
    857 #define	MIPS_AU1100	0x02
    858 #define	MIPS_AU1550	0x03
    859 
    860 /*
    861  * CPU processor revision IDs for company ID == 4 (SiByte)
    862  */
    863 #define	MIPS_SB1	0x01	/* SiByte SB1	 		ISA 64  */
    864 
    865 /*
    866  * CPU processor revision IDs for company ID == 5 (SandCraft)
    867  */
    868 #define	MIPS_SR7100	0x04	/* SandCraft SR7100 		ISA 64  */
    869 
    870 /*
    871  * CPU processor revision IDs for company ID == 12 (RMI)
    872  */
    873 #define	MIPS_XLR732	0x00	/* RMI XLR732-C	 		ISA 64  */
    874 #define	MIPS_XLR716	0x02	/* RMI XLR716-C	 		ISA 64  */
    875 #define	MIPS_XLR532	0x08	/* RMI XLR532-C	 		ISA 64  */
    876 #define	MIPS_XLR516	0x0a	/* RMI XLR516-C	 		ISA 64  */
    877 #define	MIPS_XLR508	0x0b	/* RMI XLR508-C	 		ISA 64  */
    878 #define	MIPS_XLR308	0x0f	/* RMI XLR308-C	 		ISA 64  */
    879 #define	MIPS_XLS616	0x40	/* RMI XLS616	 		ISA 64  */
    880 #define	MIPS_XLS416	0x44	/* RMI XLS416	 		ISA 64  */
    881 #define	MIPS_XLS608	0x4A	/* RMI XLS608	 		ISA 64  */
    882 #define	MIPS_XLS408	0x4E	/* RMI XLS406	 		ISA 64  */
    883 #define	MIPS_XLS404	0x4F	/* RMI XLS404	 		ISA 64  */
    884 #define	MIPS_XLS408LITE	0x88	/* RMI XLS408-Lite		ISA 64  */
    885 #define	MIPS_XLS404LITE	0x8C	/* RMI XLS404-Lite	 	ISA 64  */
    886 #define	MIPS_XLS208	0x8E	/* RMI XLS208	 		ISA 64  */
    887 #define	MIPS_XLS204	0x8F	/* RMI XLS204	 		ISA 64  */
    888 #define	MIPS_XLS108	0xCE	/* RMI XLS108	 		ISA 64  */
    889 #define	MIPS_XLS104	0xCF	/* RMI XLS104	 		ISA 64  */
    890 
    891 /*
    892  * FPU processor revision ID
    893  */
    894 #define	MIPS_SOFT	0x00	/* Software emulation		ISA I	*/
    895 #define	MIPS_R2360	0x01	/* MIPS R2360 FPC		ISA I	*/
    896 #define	MIPS_R2010	0x02	/* MIPS R2010 FPC		ISA I	*/
    897 #define	MIPS_R3010	0x03	/* MIPS R3010 FPC		ISA I	*/
    898 #define	MIPS_R6010	0x04	/* MIPS R6010 FPC		ISA II	*/
    899 #define	MIPS_R4010	0x05	/* MIPS R4010 FPC		ISA II	*/
    900 #define	MIPS_R31LSI	0x06	/* LSI Logic derivate		ISA I	*/
    901 #define	MIPS_R3TOSH	0x22	/* Toshiba R3000 based FPU	ISA I	*/
    902 
    903 #ifdef ENABLE_MIPS_TX3900
    904 #include <mips/r3900regs.h>
    905 #endif
    906 #ifdef MIPS3_5900
    907 #include <mips/r5900regs.h>
    908 #endif
    909 #ifdef MIPS64_SB1
    910 #include <mips/sb1regs.h>
    911 #endif
    912 #if defined(MIPS64_XLP) || defined(MIPS64_XLR) || defined(MIPS64_XLS)
    913 #include <mips/rmi/rmixlreg.h>
    914 #endif
    915 
    916 #endif /* _MIPS_CPUREGS_H_ */
    917