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cpuregs.h revision 1.74.28.23
      1 /*	cpuregs.h,v 1.74.28.20 2011/04/29 08:26:20 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 #if (MIPS32R2 + MIPS64R2 + MIPS64R2_RMIXL) > 0
    136 # if (MIPS1 + MIPS3 + MIPS32 + MIPS64 + MIPS64_RMIXL) == 0
    137 #  define COP0_SYNC		sll $0,$0,3	/* EHB */
    138 #  define JR_HB_RA		.set push; .set mips32r2; jr.hb ra; nop; .set pop
    139 # else
    140 #  define COP0_SYNC		sll $0,$0,1; sll $0,$0,1; sll $0,$0,3
    141 #  define JR_HB_RA		sll $0,$0,1; sll $0,$0,1; jr ra; sll $0,$0,3
    142 # endif
    143 #elif (MIPS32 + MIPS64 + MIPS64_RMIXL) > 0
    144 # define COP0_SYNC		sll $0,$0,1; sll $0,$0,1; sll $0,$0,1
    145 # define JR_HB_RA		sll $0,$0,1; sll $0,$0,1; jr ra; sll $0,$0,1
    146 #elif MIPS3 > 0
    147 # define COP0_SYNC		nop; nop; nop
    148 # define JR_HB_RA		nop; nop; jr ra; nop
    149 #else
    150 # define COP0_SYNC		nop
    151 # define JR_HB_RA		jr ra; nop
    152 #endif
    153 #define	COP0_HAZARD_FPUENABLE	nop; nop; nop; nop;
    154 
    155 /*
    156  * The bits in the cause register.
    157  *
    158  * Bits common to r3000 and r4000:
    159  *
    160  *	MIPS_CR_BR_DELAY	Exception happened in branch delay slot.
    161  *	MIPS_CR_COP_ERR		Coprocessor error.
    162  *	MIPS_CR_IP		Interrupt pending bits defined below.
    163  *				(same meaning as in CAUSE register).
    164  *	MIPS_CR_EXC_CODE	The exception type (see exception codes below).
    165  *
    166  * Differences:
    167  *  r3k has 4 bits of exception type, r4k has 5 bits.
    168  */
    169 #define	MIPS_CR_BR_DELAY	0x80000000
    170 #define	MIPS_CR_COP_ERR		0x30000000
    171 #define	MIPS1_CR_EXC_CODE	0x0000003C	/* four bits */
    172 #define	MIPS3_CR_EXC_CODE	0x0000007C	/* five bits */
    173 #define	MIPS_CR_IP		0x0000FF00
    174 #define	MIPS_CR_EXC_CODE_SHIFT	2
    175 
    176 /*
    177  * The bits in the status register.  All bits are active when set to 1.
    178  *
    179  *	R3000 status register fields:
    180  *	MIPS_SR_COP_USABILITY	Control the usability of the four coprocessors.
    181  *	MIPS_SR_TS		TLB shutdown.
    182  *
    183  *	MIPS_SR_INT_IE		Master (current) interrupt enable bit.
    184  *
    185  * Differences:
    186  *	r3k has cache control is via frobbing SR register bits, whereas the
    187  *	r4k cache control is via explicit instructions.
    188  *	r3k has a 3-entry stack of kernel/user bits, whereas the
    189  *	r4k has kernel/supervisor/user.
    190  */
    191 #define	MIPS_SR_COP_USABILITY	0xf0000000
    192 #define	MIPS_SR_COP_0_BIT	0x10000000
    193 #define	MIPS_SR_COP_1_BIT	0x20000000
    194 #define	MIPS_SR_COP_2_BIT	0x40000000
    195 
    196 	/* r4k and r3k differences, see below */
    197 
    198 #define	MIPS_SR_MX		0x01000000	/* MIPS64 */
    199 #define	MIPS_SR_PX		0x00800000	/* MIPS64 */
    200 #define	MIPS_SR_BEV		0x00400000	/* Use boot exception vector */
    201 #define	MIPS_SR_TS		0x00200000
    202 
    203 	/* r4k and r3k differences, see below */
    204 
    205 #define	MIPS_SR_INT_IE		0x00000001
    206 /*#define MIPS_SR_MBZ		0x0f8000c0*/	/* Never used, true for r3k */
    207 /*#define MIPS_SR_INT_MASK	0x0000ff00*/
    208 
    209 
    210 /*
    211  * The R2000/R3000-specific status register bit definitions.
    212  * all bits are active when set to 1.
    213  *
    214  *	MIPS_SR_PARITY_ERR	Parity error.
    215  *	MIPS_SR_CACHE_MISS	Most recent D-cache load resulted in a miss.
    216  *	MIPS_SR_PARITY_ZERO	Zero replaces outgoing parity bits.
    217  *	MIPS_SR_SWAP_CACHES	Swap I-cache and D-cache.
    218  *	MIPS_SR_ISOL_CACHES	Isolate D-cache from main memory.
    219  *				Interrupt enable bits defined below.
    220  *	MIPS_SR_KU_OLD		Old kernel/user mode bit. 1 => user mode.
    221  *	MIPS_SR_INT_ENA_OLD	Old interrupt enable bit.
    222  *	MIPS_SR_KU_PREV		Previous kernel/user mode bit. 1 => user mode.
    223  *	MIPS_SR_INT_ENA_PREV	Previous interrupt enable bit.
    224  *	MIPS_SR_KU_CUR		Current kernel/user mode bit. 1 => user mode.
    225  */
    226 
    227 #define	MIPS1_PARITY_ERR	0x00100000
    228 #define	MIPS1_CACHE_MISS	0x00080000
    229 #define	MIPS1_PARITY_ZERO	0x00040000
    230 #define	MIPS1_SWAP_CACHES	0x00020000
    231 #define	MIPS1_ISOL_CACHES	0x00010000
    232 
    233 #define	MIPS1_SR_KU_OLD		0x00000020	/* 2nd stacked KU/IE*/
    234 #define	MIPS1_SR_INT_ENA_OLD	0x00000010	/* 2nd stacked KU/IE*/
    235 #define	MIPS1_SR_KU_PREV	0x00000008	/* 1st stacked KU/IE*/
    236 #define	MIPS1_SR_INT_ENA_PREV	0x00000004	/* 1st stacked KU/IE*/
    237 #define	MIPS1_SR_KU_CUR		0x00000002	/* current KU */
    238 
    239 /* backwards compatibility */
    240 #define	MIPS_SR_PARITY_ERR	MIPS1_PARITY_ERR
    241 #define	MIPS_SR_CACHE_MISS	MIPS1_CACHE_MISS
    242 #define	MIPS_SR_PARITY_ZERO	MIPS1_PARITY_ZERO
    243 #define	MIPS_SR_SWAP_CACHES	MIPS1_SWAP_CACHES
    244 #define	MIPS_SR_ISOL_CACHES	MIPS1_ISOL_CACHES
    245 
    246 #define	MIPS_SR_KU_OLD		MIPS1_SR_KU_OLD
    247 #define	MIPS_SR_INT_ENA_OLD	MIPS1_SR_INT_ENA_OLD
    248 #define	MIPS_SR_KU_PREV		MIPS1_SR_KU_PREV
    249 #define	MIPS_SR_KU_CUR		MIPS1_SR_KU_CUR
    250 #define	MIPS_SR_INT_ENA_PREV	MIPS1_SR_INT_ENA_PREV
    251 
    252 /*
    253  * R4000 status register bit definitons,
    254  * where different from r2000/r3000.
    255  */
    256 #define	MIPS3_SR_XX		0x80000000
    257 #define	MIPS3_SR_RP		0x08000000
    258 #define	MIPS3_SR_FR		0x04000000
    259 #define	MIPS3_SR_RE		0x02000000
    260 
    261 #define	MIPS3_SR_DIAG_DL	0x01000000		/* QED 52xx */
    262 #define	MIPS3_SR_DIAG_IL	0x00800000		/* QED 52xx */
    263 #define	MIPS3_SR_PX		0x00800000		/* MIPS64 */
    264 #define	MIPS3_SR_SR		0x00100000
    265 #define	MIPS3_SR_NMI		0x00080000		/* MIPS32/64 */
    266 #define	MIPS3_SR_DIAG_CH	0x00040000
    267 #define	MIPS3_SR_DIAG_CE	0x00020000
    268 #define	MIPS3_SR_DIAG_PE	0x00010000
    269 #define	MIPS3_SR_KX		0x00000080
    270 #define	MIPS3_SR_SX		0x00000040
    271 #define	MIPS3_SR_UX		0x00000020
    272 #define	MIPS3_SR_KSU_MASK	0x00000018
    273 #define	MIPS3_SR_KSU_USER	0x00000010
    274 #define	MIPS3_SR_KSU_SUPER	0x00000008
    275 #define	MIPS3_SR_KSU_KERNEL	0x00000000
    276 #define	MIPS3_SR_ERL		0x00000004
    277 #define	MIPS3_SR_EXL		0x00000002
    278 
    279 #define	MIPS_SR_SOFT_RESET	MIPS3_SR_SOFT_RESET
    280 #define	MIPS_SR_DIAG_CH		MIPS3_SR_DIAG_CH
    281 #define	MIPS_SR_DIAG_CE		MIPS3_SR_DIAG_CE
    282 #define	MIPS_SR_DIAG_PE		MIPS3_SR_DIAG_PE
    283 #define	MIPS_SR_KX		MIPS3_SR_KX
    284 #define	MIPS_SR_SX		MIPS3_SR_SX
    285 #define	MIPS_SR_UX		MIPS3_SR_UX
    286 
    287 #define	MIPS_SR_KSU_MASK	MIPS3_SR_KSU_MASK
    288 #define	MIPS_SR_KSU_USER	MIPS3_SR_KSU_USER
    289 #define	MIPS_SR_KSU_SUPER	MIPS3_SR_KSU_SUPER
    290 #define	MIPS_SR_KSU_KERNEL	MIPS3_SR_KSU_KERNEL
    291 #define	MIPS_SR_ERL		MIPS3_SR_ERL
    292 #define	MIPS_SR_EXL		MIPS3_SR_EXL
    293 
    294 
    295 /*
    296  * The interrupt masks.
    297  * If a bit in the mask is 1 then the interrupt is enabled (or pending).
    298  */
    299 #define	MIPS_INT_MASK		0xff00
    300 #define	MIPS_INT_MASK_5		0x8000
    301 #define	MIPS_INT_MASK_4		0x4000
    302 #define	MIPS_INT_MASK_3		0x2000
    303 #define	MIPS_INT_MASK_2		0x1000
    304 #define	MIPS_INT_MASK_1		0x0800
    305 #define	MIPS_INT_MASK_0		0x0400
    306 #define	MIPS_HARD_INT_MASK	0xfc00
    307 #define	MIPS_SOFT_INT_MASK_1	0x0200
    308 #define	MIPS_SOFT_INT_MASK_0	0x0100
    309 #define	MIPS_SOFT_INT_MASK	0x0300
    310 #define	MIPS_INT_MASK_SHIFT	8
    311 
    312 /*
    313  * mips3 CPUs have on-chip timer at INT_MASK_5.  Each platform can
    314  * choose to enable this interrupt.
    315  */
    316 #if defined(MIPS3_ENABLE_CLOCK_INTR)
    317 #define	MIPS3_INT_MASK			MIPS_INT_MASK
    318 #define	MIPS3_HARD_INT_MASK		MIPS_HARD_INT_MASK
    319 #else
    320 #define	MIPS3_INT_MASK			(MIPS_INT_MASK &  ~MIPS_INT_MASK_5)
    321 #define	MIPS3_HARD_INT_MASK		(MIPS_HARD_INT_MASK & ~MIPS_INT_MASK_5)
    322 #endif
    323 
    324 /*
    325  * The bits in the context register.
    326  */
    327 #define	MIPS1_CNTXT_PTE_BASE	0xFFE00000
    328 #define	MIPS1_CNTXT_BAD_VPN	0x001FFFFC
    329 
    330 #define	MIPS3_CNTXT_PTE_BASE	0xFF800000
    331 #define	MIPS3_CNTXT_BAD_VPN2	0x007FFFF0
    332 
    333 /*
    334  * The bits in the MIPS3 config register.
    335  *
    336  *	bit 0..5: R/W, Bit 6..31: R/O
    337  */
    338 
    339 /* kseg0 coherency algorithm - see MIPS3_TLB_ATTR values */
    340 #define	MIPS3_CONFIG_K0_MASK	0x00000007
    341 
    342 /*
    343  * R/W Update on Store Conditional
    344  *	0: Store Conditional uses coherency algorithm specified by TLB
    345  *	1: Store Conditional uses cacheable coherent update on write
    346  */
    347 #define	MIPS3_CONFIG_CU		0x00000008
    348 
    349 #define	MIPS3_CONFIG_DB		0x00000010	/* Primary D-cache line size */
    350 #define	MIPS3_CONFIG_IB		0x00000020	/* Primary I-cache line size */
    351 #define	MIPS3_CONFIG_CACHE_L1_LSIZE(config, bit) \
    352 	(((config) & (bit)) ? 32 : 16)
    353 
    354 #define	MIPS3_CONFIG_DC_MASK	0x000001c0	/* Primary D-cache size */
    355 #define	MIPS3_CONFIG_DC_SHIFT	6
    356 #define	MIPS3_CONFIG_IC_MASK	0x00000e00	/* Primary I-cache size */
    357 #define	MIPS3_CONFIG_IC_SHIFT	9
    358 #define	MIPS3_CONFIG_C_DEFBASE	0x1000		/* default base 2^12 */
    359 
    360 /* Cache size mode indication: available only on Vr41xx CPUs */
    361 #define	MIPS3_CONFIG_CS		0x00001000
    362 #define	MIPS3_CONFIG_C_4100BASE	0x0400		/* base is 2^10 if CS=1 */
    363 #define	MIPS3_CONFIG_CACHE_SIZE(config, mask, base, shift) \
    364 	((base) << (((config) & (mask)) >> (shift)))
    365 
    366 /* External cache enable: Controls L2 for R5000/Rm527x and L3 for Rm7000 */
    367 #define	MIPS3_CONFIG_SE		0x00001000
    368 
    369 /* Block ordering: 0: sequential, 1: sub-block */
    370 #define	MIPS3_CONFIG_EB		0x00002000
    371 
    372 /* ECC mode - 0: ECC mode, 1: parity mode */
    373 #define	MIPS3_CONFIG_EM		0x00004000
    374 
    375 /* BigEndianMem - 0: kernel and memory are little endian, 1: big endian */
    376 #define	MIPS3_CONFIG_BE		0x00008000
    377 
    378 /* Dirty Shared coherency state - 0: enabled, 1: disabled */
    379 #define	MIPS3_CONFIG_SM		0x00010000
    380 
    381 /* Secondary Cache - 0: present, 1: not present */
    382 #define	MIPS3_CONFIG_SC		0x00020000
    383 
    384 /* System Port width - 0: 64-bit, 1: 32-bit (QED RM523x), 2,3: reserved */
    385 #define	MIPS3_CONFIG_EW_MASK	0x000c0000
    386 #define	MIPS3_CONFIG_EW_SHIFT	18
    387 
    388 /* Secondary Cache port width - 0: 128-bit data path to S-cache, 1: reserved */
    389 #define	MIPS3_CONFIG_SW		0x00100000
    390 
    391 /* Split Secondary Cache Mode - 0: I/D mixed, 1: I/D separated by SCAddr(17) */
    392 #define	MIPS3_CONFIG_SS		0x00200000
    393 
    394 /* Secondary Cache line size */
    395 #define	MIPS3_CONFIG_SB_MASK	0x00c00000
    396 #define	MIPS3_CONFIG_SB_SHIFT	22
    397 #define	MIPS3_CONFIG_CACHE_L2_LSIZE(config) \
    398 	(0x10 << (((config) & MIPS3_CONFIG_SB_MASK) >> MIPS3_CONFIG_SB_SHIFT))
    399 
    400 /* Write back data rate */
    401 #define	MIPS3_CONFIG_EP_MASK	0x0f000000
    402 #define	MIPS3_CONFIG_EP_SHIFT	24
    403 
    404 /* System clock ratio - this value is CPU dependent */
    405 #define	MIPS3_CONFIG_EC_MASK	0x70000000
    406 #define	MIPS3_CONFIG_EC_SHIFT	28
    407 
    408 /* Master-Checker Mode - 1: enabled */
    409 #define	MIPS3_CONFIG_CM		0x80000000
    410 
    411 /*
    412  * The bits in the MIPS4 config register.
    413  */
    414 
    415 /* kseg0 coherency algorithm - see MIPS3_TLB_ATTR values */
    416 #define	MIPS4_CONFIG_K0_MASK	MIPS3_CONFIG_K0_MASK
    417 #define	MIPS4_CONFIG_DN_MASK	0x00000018	/* Device number */
    418 #define	MIPS4_CONFIG_CT		0x00000020	/* CohPrcReqTar */
    419 #define	MIPS4_CONFIG_PE		0x00000040	/* PreElmReq */
    420 #define	MIPS4_CONFIG_PM_MASK	0x00000180	/* PreReqMax */
    421 #define	MIPS4_CONFIG_EC_MASK	0x00001e00	/* SysClkDiv */
    422 #define	MIPS4_CONFIG_SB		0x00002000	/* SCBlkSize */
    423 #define	MIPS4_CONFIG_SK		0x00004000	/* SCColEn */
    424 #define	MIPS4_CONFIG_BE		0x00008000	/* MemEnd */
    425 #define	MIPS4_CONFIG_SS_MASK	0x00070000	/* SCSize */
    426 #define	MIPS4_CONFIG_SC_MASK	0x00380000	/* SCClkDiv */
    427 #define	MIPS4_CONFIG_RESERVED	0x03c00000	/* Reserved wired 0 */
    428 #define	MIPS4_CONFIG_DC_MASK	0x1c000000	/* Primary D-Cache size */
    429 #define	MIPS4_CONFIG_IC_MASK	0xe0000000	/* Primary I-Cache size */
    430 
    431 #define	MIPS4_CONFIG_DC_SHIFT	26
    432 #define	MIPS4_CONFIG_IC_SHIFT	29
    433 
    434 #define	MIPS4_CONFIG_CACHE_SIZE(config, mask, base, shift)		\
    435 	((base) << (((config) & (mask)) >> (shift)))
    436 
    437 #define	MIPS4_CONFIG_CACHE_L2_LSIZE(config)				\
    438 	(((config) & MIPS4_CONFIG_SB) ? 128 : 64)
    439 
    440 /*
    441  * Location of exception vectors.
    442  *
    443  * Common vectors:  reset and UTLB miss.
    444  */
    445 #define	MIPS_RESET_EXC_VEC	MIPS_PHYS_TO_KSEG1(0x1FC00000)
    446 #define	MIPS_UTLB_MISS_EXC_VEC	MIPS_PHYS_TO_KSEG0(0)
    447 
    448 /*
    449  * MIPS-1 general exception vector (everything else)
    450  */
    451 #define	MIPS1_GEN_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0080)
    452 
    453 /*
    454  * MIPS-III exception vectors
    455  */
    456 #define	MIPS3_XTLB_MISS_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0080)
    457 #define	MIPS3_CACHE_ERR_EXC_VEC MIPS_PHYS_TO_KSEG0(0x0100)
    458 #define	MIPS3_GEN_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0180)
    459 
    460 /*
    461  * MIPS32/MIPS64 (and some MIPS3) dedicated interrupt vector.
    462  */
    463 #define	MIPS3_INTR_EXC_VEC	MIPS_PHYS_TO_KSEG0(0x0200)
    464 
    465 /*
    466  * Coprocessor 0 registers:
    467  *
    468  *				v--- width for mips I,III,32,64
    469  *				     (3=32bit, 6=64bit, i=impl dep)
    470  *  0	MIPS_COP_0_TLB_INDEX	3333 TLB Index.
    471  *  1	MIPS_COP_0_TLB_RANDOM	3333 TLB Random.
    472  *  2	MIPS_COP_0_TLB_LOW	3... r3k TLB entry low.
    473  *  2	MIPS_COP_0_TLB_LO0	.636 r4k TLB entry low.
    474  *  3	MIPS_COP_0_TLB_LO1	.636 r4k TLB entry low, extended.
    475  *  4	MIPS_COP_0_TLB_CONTEXT	3636 TLB Context.
    476  *  4/2	MIPS_COP_0_USERLOCAL	..36 UserLocal.
    477  *  5	MIPS_COP_0_TLB_PG_MASK	.333 TLB Page Mask register.
    478  *  6	MIPS_COP_0_TLB_WIRED	.333 Wired TLB number.
    479  *  7	MIPS_COP_0_HWRENA	..33 rdHWR Enable.
    480  *  8	MIPS_COP_0_BAD_VADDR	3636 Bad virtual address.
    481  *  9	MIPS_COP_0_COUNT	.333 Count register.
    482  * 10	MIPS_COP_0_TLB_HI	3636 TLB entry high.
    483  * 11	MIPS_COP_0_COMPARE	.333 Compare (against Count).
    484  * 12	MIPS_COP_0_STATUS	3333 Status register.
    485  * 12/1	MIPS_COP_0_INTCTL	..33 Interrupt Control.
    486  * 12/2	MIPS_COP_0_SRSCTL	..33 Shadow Register Set Selectors.
    487  * 12/3	MIPS_COP_0_SRSMAP	..33 Shadow Set Map.
    488  * 13	MIPS_COP_0_CAUSE	3333 Exception cause register.
    489  * 14	MIPS_COP_0_EXC_PC	3636 Exception PC.
    490  * 15	MIPS_COP_0_PRID		3333 Processor revision identifier.
    491  * 15/1	MIPS_COP_0_EBASE	..33 Exception Base.
    492  * 16	MIPS_COP_0_CONFIG	3333 Configuration register.
    493  * 16/1	MIPS_COP_0_CONFIG1	..33 Configuration register 1.
    494  * 16/2	MIPS_COP_0_CONFIG2	..33 Configuration register 2.
    495  * 16/3	MIPS_COP_0_CONFIG3	..33 Configuration register 3.
    496  * 16/6	MIPS_COP_0_CONFIG6	..33 Configuration register 6.
    497  * 16/7	MIPS_COP_0_CONFIG7	..33 Configuration register 7.
    498  * 17	MIPS_COP_0_LLADDR	.336 Load Linked Address.
    499  * 18	MIPS_COP_0_WATCH_LO	.336 WatchLo register.
    500  * 19	MIPS_COP_0_WATCH_HI	.333 WatchHi register.
    501  * 20	MIPS_COP_0_TLB_XCONTEXT .6.6 TLB XContext register.
    502  * 22	MIPS_COP_0_OSSCRATCH	...6 [RMI] OS Scratch register. (select 0..7)
    503  * 23	MIPS_COP_0_DEBUG	.... Debug JTAG register.
    504  * 24	MIPS_COP_0_DEPC		.... DEPC JTAG register.
    505  * 25	MIPS_COP_0_PERFCNT	..36 Performance Counter register.
    506  * 26	MIPS_COP_0_ECC		.3ii ECC / Error Control register.
    507  * 27	MIPS_COP_0_CACHE_ERR	.3ii Cache Error register.
    508  * 28/0	MIPS_COP_0_TAG_LO	.3ii Cache TagLo register (instr).
    509  * 28/1	MIPS_COP_0_DATA_LO	..ii Cache DataLo register (instr).
    510  * 28/2	MIPS_COP_0_TAG_LO	..ii Cache TagLo register (data).
    511  * 28/3	MIPS_COP_0_DATA_LO	..ii Cache DataLo register (data).
    512  * 29/0	MIPS_COP_0_TAG_HI	.3ii Cache TagHi register (instr).
    513  * 29/1	MIPS_COP_0_DATA_HI	..ii Cache DataHi register (instr).
    514  * 29/2	MIPS_COP_0_TAG_HI	..ii Cache TagHi register (data).
    515  * 29/3	MIPS_COP_0_DATA_HI	..ii Cache DataHi register (data).
    516  * 30	MIPS_COP_0_ERROR_PC	.636 Error EPC register.
    517  * 31	MIPS_COP_0_DESAVE	.... DESAVE JTAG register.
    518  */
    519 #ifdef _LOCORE
    520 #define	_(n)	__CONCAT($,n)
    521 #else
    522 #define	_(n)	n
    523 #endif
    524 #define	MIPS_COP_0_TLB_INDEX	_(0)
    525 #define	MIPS_COP_0_TLB_RANDOM	_(1)
    526 	/* Name and meaning of	TLB bits for $2 differ on r3k and r4k. */
    527 
    528 #define	MIPS_COP_0_TLB_CONTEXT	_(4)
    529 					/* $5 and $6 new with MIPS-III */
    530 #define	MIPS_COP_0_BAD_VADDR	_(8)
    531 #define	MIPS_COP_0_TLB_HI	_(10)
    532 #define	MIPS_COP_0_STATUS	_(12)
    533 #define	MIPS_COP_0_CAUSE	_(13)
    534 #define	MIPS_COP_0_EXC_PC	_(14)
    535 #define	MIPS_COP_0_PRID		_(15)
    536 
    537 
    538 /* MIPS-I */
    539 #define	MIPS_COP_0_TLB_LOW	_(2)
    540 
    541 /* MIPS-III */
    542 #define	MIPS_COP_0_TLB_LO0	_(2)
    543 #define	MIPS_COP_0_TLB_LO1	_(3)
    544 
    545 #define	MIPS_COP_0_TLB_PG_MASK	_(5)
    546 #define	MIPS_COP_0_TLB_WIRED	_(6)
    547 
    548 #define	MIPS_COP_0_COUNT	_(9)
    549 #define	MIPS_COP_0_COMPARE	_(11)
    550 
    551 #define	MIPS_COP_0_CONFIG	_(16)
    552 #define	MIPS_COP_0_LLADDR	_(17)
    553 #define	MIPS_COP_0_WATCH_LO	_(18)
    554 #define	MIPS_COP_0_WATCH_HI	_(19)
    555 #define	MIPS_COP_0_TLB_XCONTEXT _(20)
    556 #define	MIPS_COP_0_ECC		_(26)
    557 #define	MIPS_COP_0_CACHE_ERR	_(27)
    558 #define	MIPS_COP_0_TAG_LO	_(28)
    559 #define	MIPS_COP_0_TAG_HI	_(29)
    560 #define	MIPS_COP_0_ERROR_PC	_(30)
    561 
    562 /* MIPS32/64 */
    563 #define	MIPS_COP_0_HWRENA	_(7)
    564 #define	MIPS_COP_0_OSSCRATCH	_(22)
    565 #define	MIPS_COP_0_DEBUG	_(23)
    566 #define	MIPS_COP_0_DEPC		_(24)
    567 #define	MIPS_COP_0_PERFCNT	_(25)
    568 #define	MIPS_COP_0_DATA_LO	_(28)
    569 #define	MIPS_COP_0_DATA_HI	_(29)
    570 #define	MIPS_COP_0_DESAVE	_(31)
    571 
    572 /*
    573  * Values for the code field in a break instruction.
    574  */
    575 #define	MIPS_BREAK_INSTR	0x0000000d
    576 #define	MIPS_BREAK_VAL_MASK	0x03ff0000
    577 #define	MIPS_BREAK_VAL_SHIFT	16
    578 #define	MIPS_BREAK_KDB_VAL	512
    579 #define	MIPS_BREAK_SSTEP_VAL	513
    580 #define	MIPS_BREAK_BRKPT_VAL	514
    581 #define	MIPS_BREAK_SOVER_VAL	515
    582 #define	MIPS_BREAK_KDB		(MIPS_BREAK_INSTR | \
    583 				(MIPS_BREAK_KDB_VAL << MIPS_BREAK_VAL_SHIFT))
    584 #define	MIPS_BREAK_SSTEP	(MIPS_BREAK_INSTR | \
    585 				(MIPS_BREAK_SSTEP_VAL << MIPS_BREAK_VAL_SHIFT))
    586 #define	MIPS_BREAK_BRKPT	(MIPS_BREAK_INSTR | \
    587 				(MIPS_BREAK_BRKPT_VAL << MIPS_BREAK_VAL_SHIFT))
    588 #define	MIPS_BREAK_SOVER	(MIPS_BREAK_INSTR | \
    589 				(MIPS_BREAK_SOVER_VAL << MIPS_BREAK_VAL_SHIFT))
    590 
    591 /*
    592  * Mininum and maximum cache sizes.
    593  */
    594 #define	MIPS_MIN_CACHE_SIZE	(16 * 1024)
    595 #define	MIPS_MAX_CACHE_SIZE	(256 * 1024)
    596 #define	MIPS3_MAX_PCACHE_SIZE	(32 * 1024)	/* max. primary cache size */
    597 
    598 /*
    599  * The floating point version and status registers.
    600  */
    601 #define	MIPS_FPU_ID	$0
    602 #define	MIPS_FPU_CSR	$31
    603 
    604 /*
    605  * The floating point coprocessor status register bits.
    606  */
    607 #define	MIPS_FPU_ROUNDING_BITS		0x00000003
    608 #define	MIPS_FPU_ROUND_RN		0x00000000
    609 #define	MIPS_FPU_ROUND_RZ		0x00000001
    610 #define	MIPS_FPU_ROUND_RP		0x00000002
    611 #define	MIPS_FPU_ROUND_RM		0x00000003
    612 #define	MIPS_FPU_STICKY_BITS		0x0000007c
    613 #define	MIPS_FPU_STICKY_INEXACT		0x00000004
    614 #define	MIPS_FPU_STICKY_UNDERFLOW	0x00000008
    615 #define	MIPS_FPU_STICKY_OVERFLOW	0x00000010
    616 #define	MIPS_FPU_STICKY_DIV0		0x00000020
    617 #define	MIPS_FPU_STICKY_INVALID		0x00000040
    618 #define	MIPS_FPU_ENABLE_BITS		0x00000f80
    619 #define	MIPS_FPU_ENABLE_INEXACT		0x00000080
    620 #define	MIPS_FPU_ENABLE_UNDERFLOW	0x00000100
    621 #define	MIPS_FPU_ENABLE_OVERFLOW	0x00000200
    622 #define	MIPS_FPU_ENABLE_DIV0		0x00000400
    623 #define	MIPS_FPU_ENABLE_INVALID		0x00000800
    624 #define	MIPS_FPU_EXCEPTION_BITS		0x0003f000
    625 #define	MIPS_FPU_EXCEPTION_INEXACT	0x00001000
    626 #define	MIPS_FPU_EXCEPTION_UNDERFLOW	0x00002000
    627 #define	MIPS_FPU_EXCEPTION_OVERFLOW	0x00004000
    628 #define	MIPS_FPU_EXCEPTION_DIV0		0x00008000
    629 #define	MIPS_FPU_EXCEPTION_INVALID	0x00010000
    630 #define	MIPS_FPU_EXCEPTION_UNIMPL	0x00020000
    631 #define	MIPS_FPU_COND_BIT		0x00800000
    632 #define	MIPS_FPU_FLUSH_BIT		0x01000000	/* r4k,	 MBZ on r3k */
    633 #define	MIPS1_FPC_MBZ_BITS		0xff7c0000
    634 #define	MIPS3_FPC_MBZ_BITS		0xfe7c0000
    635 
    636 
    637 /*
    638  * Constants to determine if have a floating point instruction.
    639  */
    640 #define	MIPS_OPCODE_SHIFT	26
    641 #define	MIPS_OPCODE_C1		0x11
    642 
    643 
    644 /*
    645  * The low part of the TLB entry.
    646  */
    647 #define	MIPS1_TLB_PFN			0xfffff000
    648 #define	MIPS1_TLB_NON_CACHEABLE_BIT	0x00000800
    649 #define	MIPS1_TLB_DIRTY_BIT		0x00000400
    650 #define	MIPS1_TLB_VALID_BIT		0x00000200
    651 #define	MIPS1_TLB_GLOBAL_BIT		0x00000100
    652 
    653 #define	MIPS3_TLB_PFN			0x3fffffc0
    654 #define	MIPS3_TLB_ATTR_MASK		0x00000038
    655 #define	MIPS3_TLB_ATTR_SHIFT		3
    656 #define	MIPS3_TLB_DIRTY_BIT		0x00000004
    657 #define	MIPS3_TLB_VALID_BIT		0x00000002
    658 #define	MIPS3_TLB_GLOBAL_BIT		0x00000001
    659 
    660 #define	MIPS1_TLB_PHYS_PAGE_SHIFT	12
    661 #define	MIPS3_TLB_PHYS_PAGE_SHIFT	6
    662 #define	MIPS1_TLB_PF_NUM		MIPS1_TLB_PFN
    663 #define	MIPS3_TLB_PF_NUM		MIPS3_TLB_PFN
    664 #define	MIPS1_TLB_MOD_BIT		MIPS1_TLB_DIRTY_BIT
    665 #define	MIPS3_TLB_MOD_BIT		MIPS3_TLB_DIRTY_BIT
    666 
    667 /*
    668  * MIPS3_TLB_ATTR (CCA) values - coherency algorithm:
    669  * 0: cacheable, noncoherent, write-through, no write allocate
    670  * 1: cacheable, noncoherent, write-through, write allocate
    671  * 2: uncached
    672  * 3: cacheable, noncoherent, write-back (noncoherent)
    673  * 4: cacheable, coherent, write-back, exclusive (exclusive)
    674  * 5: cacheable, coherent, write-back, exclusive on write (sharable)
    675  * 6: cacheable, coherent, write-back, update on write (update)
    676  * 7: uncached, accelerated (gather STORE operations)
    677  */
    678 #define	MIPS3_TLB_ATTR_WT		0 /* IDT */
    679 #define	MIPS3_TLB_ATTR_WT_WRITEALLOCATE 1 /* IDT */
    680 #define	MIPS3_TLB_ATTR_UNCACHED		2 /* R4000/R4400, IDT */
    681 #define	MIPS3_TLB_ATTR_WB_NONCOHERENT	3 /* R4000/R4400, IDT */
    682 #define	MIPS3_TLB_ATTR_WB_EXCLUSIVE	4 /* R4000/R4400 */
    683 #define	MIPS3_TLB_ATTR_WB_SHARABLE	5 /* R4000/R4400 */
    684 #define	MIPS3_TLB_ATTR_WB_UPDATE	6 /* R4000/R4400 */
    685 #define	MIPS4_TLB_ATTR_UNCACHED_ACCELERATED 7 /* R10000 */
    686 
    687 
    688 /*
    689  * The high part of the TLB entry.
    690  */
    691 #define	MIPS1_TLB_VPN			0xfffff000
    692 #define	MIPS1_TLB_PID			0x00000fc0
    693 #define	MIPS1_TLB_PID_SHIFT		6
    694 
    695 #define	MIPS3_TLB_VPN2			0xffffe000
    696 #define	MIPS3_TLB_ASID			0x000003ff
    697 
    698 #define	MIPS1_TLB_VIRT_PAGE_NUM		MIPS1_TLB_VPN
    699 #define	MIPS3_TLB_VIRT_PAGE_NUM		MIPS3_TLB_VPN2
    700 #define	MIPS3_TLB_PID			MIPS3_TLB_ASID
    701 #define	MIPS_TLB_VIRT_PAGE_SHIFT	12
    702 
    703 /*
    704  * r3000: shift count to put the index in the right spot.
    705  */
    706 #define	MIPS1_TLB_INDEX_SHIFT		8
    707 
    708 /*
    709  * The first TLB that write random hits.
    710  */
    711 #define	MIPS1_TLB_FIRST_RAND_ENTRY	8
    712 #define	MIPS3_TLB_WIRED_UPAGES		1
    713 
    714 /*
    715  * The number of process id entries.
    716  */
    717 #define	MIPS1_TLB_NUM_PIDS		64
    718 #define	MIPS3_TLB_NUM_ASIDS		256
    719 
    720 /*
    721  * Patch codes to hide CPU design differences between MIPS1 and MIPS3.
    722  */
    723 
    724 /* XXX simonb: this is before MIPS3_PLUS is defined (and is ugly!) */
    725 
    726 #if (MIPS3 + MIPS4 + MIPS32 + MIPS32R2 + MIPS64 + MIPS64R2 + MIPS64_RMIXL + MIPS64R2_RMIXL) == 0 && MIPS1 != 0
    727 #define	MIPS_TLB_PID_SHIFT		MIPS1_TLB_PID_SHIFT
    728 #define	MIPS_TLB_PID			MIPS1_TLB_PID
    729 #define	MIPS_TLB_NUM_PIDS		MIPS1_TLB_NUM_PIDS
    730 #endif
    731 
    732 #if (MIPS3 + MIPS4 + MIPS32 + MIPS32R2 + MIPS64 + MIPS64R2 + MIPS64_RMIXL + MIPS64R2_RMIXL) != 0 && MIPS1 == 0
    733 #define	MIPS_TLB_PID_SHIFT		0
    734 #define	MIPS_TLB_PID			MIPS3_TLB_PID
    735 #if (MIPS3 + MIPS4) != 0
    736 #define	MIPS_TLB_NUM_PIDS		MIPS3_TLB_NUM_ASIDS
    737 #else
    738 #define	MIPS_TLB_NUM_PIDS		mips_options.mips_num_tlb_asids
    739 #endif
    740 #endif
    741 
    742 
    743 #if !defined(MIPS_TLB_PID_SHIFT)
    744 #define	MIPS_TLB_PID_SHIFT \
    745     ((MIPS_HAS_R4K_MMU) ? 0 : MIPS1_TLB_PID_SHIFT)
    746 
    747 #define	MIPS_TLB_PID \
    748     ((MIPS_HAS_R4K_MMU) ? MIPS3_TLB_PID : MIPS1_TLB_PID)
    749 
    750 #define	MIPS_TLB_NUM_PIDS \
    751     ((MIPS_HAS_R4K_MMU) ? MIPS3_TLB_NUM_ASIDS : MIPS1_TLB_NUM_PIDS)
    752 #endif
    753 
    754 /*
    755  * Bits defined for for the HWREna (CP0 register 7, select 0).
    756  */
    757 #define	MIPS_HWRENA_IMPL31		__BIT(31)
    758 #define	MIPS_HWRENA_IMPL30		__BIT(30)
    759 #define	MIPS_HWRENA_UL			__BIT(29)	/* Userlocal */
    760 #define	MIPS_HWRENA_CCRES		__BIT(3)
    761 #define	MIPS_HWRENA_CC			__BIT(2)
    762 #define	MIPS_HWRENA_SYNCI_STEP		__BIT(1)
    763 #define	MIPS_HWRENA_CPUNUM		__BIT(0)
    764 
    765 /*
    766  * Hints for the prefetch instruction
    767  */
    768 
    769 /*
    770  * Prefetched data is expected to be read (not modified)
    771  */
    772 #define	PREF_LOAD		0
    773 #define	PREF_LOAD_STREAMED	4	/* but not reused extensively; it */
    774 					/* "streams" through cache.  */
    775 #define	PREF_LOAD_RETAINED	6	/* and reused extensively; it should */
    776 					/* be "retained" in the cache.  */
    777 
    778 /*
    779  * Prefetched data is expected to be stored or modified
    780  */
    781 #define	PREF_STORE		1
    782 #define	PREF_STORE_STREAMED	5	/* but not reused extensively; it */
    783 					/* "streams" through cache.  */
    784 #define	PREF_STORE_RETAINED	7	/* and reused extensively; it should */
    785 					/* be "retained" in the cache.  */
    786 
    787 /*
    788  * data is no longer expected to be used.  For a WB cache, schedule a
    789  * writeback of any dirty data and afterwards free the cache lines.
    790  */
    791 #define	PREF_WB_INV		25
    792 #define	PREF_NUDGE		PREF_WB_INV
    793 
    794 /*
    795  * Prepare for writing an entire cache line without the overhead
    796  * involved in filling the line from memory.
    797  */
    798 #define	PREF_PREPAREFORSTORE	30
    799 
    800 /*
    801  * CPU processor revision IDs for company ID == 0 (non mips32/64 chips)
    802  */
    803 #define	MIPS_R2000	0x01	/* MIPS R2000 			ISA I	*/
    804 #define	MIPS_R3000	0x02	/* MIPS R3000 			ISA I	*/
    805 #define	MIPS_R6000	0x03	/* MIPS R6000 			ISA II	*/
    806 #define	MIPS_R4000	0x04	/* MIPS R4000/R4400 		ISA III */
    807 #define	MIPS_R3LSI	0x05	/* LSI Logic R3000 derivative	ISA I	*/
    808 #define	MIPS_R6000A	0x06	/* MIPS R6000A 			ISA II	*/
    809 #define	MIPS_R3IDT	0x07	/* IDT R3041 or RC36100 	ISA I	*/
    810 #define	MIPS_R10000	0x09	/* MIPS R10000			ISA IV	*/
    811 #define	MIPS_R4200	0x0a	/* NEC VR4200 			ISA III */
    812 #define	MIPS_R4300	0x0b	/* NEC VR4300 			ISA III */
    813 #define	MIPS_R4100	0x0c	/* NEC VR4100 			ISA III */
    814 #define	MIPS_R12000	0x0e	/* MIPS R12000			ISA IV	*/
    815 #define	MIPS_R14000	0x0f	/* MIPS R14000			ISA IV	*/
    816 #define	MIPS_R8000	0x10	/* MIPS R8000 Blackbird/TFP	ISA IV	*/
    817 #define	MIPS_RC32300	0x18	/* IDT RC32334,332,355		ISA 32  */
    818 #define	MIPS_R4600	0x20	/* QED R4600 Orion		ISA III */
    819 #define	MIPS_R4700	0x21	/* QED R4700 Orion		ISA III */
    820 #define	MIPS_R3SONY	0x21	/* Sony R3000 based 		ISA I	*/
    821 #define	MIPS_R4650	0x22	/* QED R4650 			ISA III */
    822 #define	MIPS_TX3900	0x22	/* Toshiba TX39 family		ISA I	*/
    823 #define	MIPS_R5000	0x23	/* MIPS R5000 			ISA IV	*/
    824 #define	MIPS_R3NKK	0x23	/* NKK R3000 based 		ISA I	*/
    825 #define	MIPS_RC32364	0x26	/* IDT RC32364 			ISA 32	*/
    826 #define	MIPS_RM7000	0x27	/* QED RM7000			ISA IV  */
    827 #define	MIPS_RM5200	0x28	/* QED RM5200s 			ISA IV	*/
    828 #define	MIPS_TX4900	0x2d	/* Toshiba TX49 family		ISA III */
    829 #define	MIPS_R5900	0x2e	/* Toshiba R5900 (EECore)	ISA --- */
    830 #define	MIPS_RC64470	0x30	/* IDT RC64474/RC64475 		ISA III */
    831 #define	MIPS_TX7900	0x38	/* Toshiba TX79			ISA III+*/
    832 #define	MIPS_R5400	0x54	/* NEC VR5400 			ISA IV	*/
    833 #define	MIPS_R5500	0x55	/* NEC VR5500 			ISA IV	*/
    834 
    835 /*
    836  * CPU revision IDs for some prehistoric processors.
    837  */
    838 
    839 /* For MIPS_R3000 */
    840 #define	MIPS_REV_R2000A		0x16	/* R2000A uses R3000 proc revision */
    841 #define	MIPS_REV_R3000		0x20
    842 #define	MIPS_REV_R3000A		0x30
    843 
    844 /* For MIPS_TX3900 */
    845 #define	MIPS_REV_TX3912		0x10
    846 #define	MIPS_REV_TX3922		0x30
    847 #define	MIPS_REV_TX3927		0x40
    848 
    849 /* For MIPS_R4000 */
    850 #define	MIPS_REV_R4000_A	0x00
    851 #define	MIPS_REV_R4000_B	0x22
    852 #define	MIPS_REV_R4000_C	0x30
    853 #define	MIPS_REV_R4400_A	0x40
    854 #define	MIPS_REV_R4400_B	0x50
    855 #define	MIPS_REV_R4400_C	0x60
    856 
    857 /* For MIPS_TX4900 */
    858 #define	MIPS_REV_TX4927		0x22
    859 
    860 /*
    861  * CPU processor revision IDs for company ID == 1 (MIPS)
    862  */
    863 #define	MIPS_4Kc	0x80	/* MIPS 4Kc			ISA 32  */
    864 #define	MIPS_5Kc	0x81	/* MIPS 5Kc			ISA 64  */
    865 #define	MIPS_20Kc	0x82	/* MIPS 20Kc			ISA 64  */
    866 #define	MIPS_4Kmp	0x83	/* MIPS 4Km/4Kp			ISA 32  */
    867 #define	MIPS_4KEc	0x84	/* MIPS 4KEc			ISA 32  */
    868 #define	MIPS_4KEmp	0x85	/* MIPS 4KEm/4KEp		ISA 32  */
    869 #define	MIPS_4KSc	0x86	/* MIPS 4KSc			ISA 32  */
    870 #define	MIPS_M4K	0x87	/* MIPS M4K			ISA 32  Rel 2 */
    871 #define	MIPS_25Kf	0x88	/* MIPS 25Kf			ISA 64  */
    872 #define	MIPS_5KE	0x89	/* MIPS 5KE			ISA 64  Rel 2 */
    873 #define	MIPS_4KEc_R2	0x90	/* MIPS 4KEc_R2			ISA 32  Rel 2 */
    874 #define	MIPS_4KEmp_R2	0x91	/* MIPS 4KEm/4KEp_R2		ISA 32  Rel 2 */
    875 #define	MIPS_4KSd	0x92	/* MIPS 4KSd			ISA 32  Rel 2 */
    876 #define	MIPS_24K	0x93	/* MIPS 24Kc/24Kf		ISA 32  Rel 2 */
    877 #define	MIPS_34K	0x95	/* MIPS 34K			ISA 32  R2 MT */
    878 #define	MIPS_24KE	0x96	/* MIPS 24KEc			ISA 32  Rel 2 */
    879 #define	MIPS_74K	0x97	/* MIPS 74Kc/74Kf		ISA 32  Rel 2 */
    880 #define	MIPS_1004K	0x99	/* MIPS 1004Kc/1004Kf		ISA 32  Rel 2 */
    881 #define	MIPS_1074K	0x9a	/* MIPS 1074K			ISA 32  Rel 2 */
    882 
    883 /*
    884  * Alchemy (company ID 3) use the processor ID field to donote the CPU core
    885  * revision and the company options field do donate the SOC chip type.
    886  */
    887 /* CPU processor revision IDs */
    888 #define	MIPS_AU_REV1	0x01	/* Alchemy Au1000 (Rev 1)	ISA 32  */
    889 #define	MIPS_AU_REV2	0x02	/* Alchemy Au1000 (Rev 2)	ISA 32  */
    890 /* CPU company options IDs */
    891 #define	MIPS_AU1000	0x00
    892 #define	MIPS_AU1500	0x01
    893 #define	MIPS_AU1100	0x02
    894 #define	MIPS_AU1550	0x03
    895 
    896 /*
    897  * CPU processor revision IDs for company ID == 4 (SiByte)
    898  */
    899 #define	MIPS_SB1	0x01	/* SiByte SB1	 		ISA 64  */
    900 
    901 /*
    902  * CPU processor revision IDs for company ID == 5 (SandCraft)
    903  */
    904 #define	MIPS_SR7100	0x04	/* SandCraft SR7100 		ISA 64  */
    905 
    906 /*
    907  * CPU revision IDs for company ID == 12 (RMI)
    908  * note: unlisted Rev values may indicate pre-production silicon
    909  */
    910 #define	MIPS_XLR_B2	0x04	/* RMI XLR Production Rev B2		*/
    911 #define	MIPS_XLR_C4	0x91	/* RMI XLR Production Rev C4		*/
    912 
    913 /*
    914  * CPU processor IDs for company ID == 12 (RMI)
    915  */
    916 #define	MIPS_XLP8XX	0x10	/* RMI XLP8XX/XLP4XX 		ISA 64  Rel 2 */
    917 #define	MIPS_XLP3XX	0x11	/* RMI XLP3XX	 		ISA 64  Rel 2 */
    918 #define	MIPS_XLR308B	0x06	/* RMI XLR308-B	 		ISA 64  */
    919 #define	MIPS_XLR508B	0x07	/* RMI XLR508-B	 		ISA 64  */
    920 #define	MIPS_XLR516B	0x08	/* RMI XLR516-B	 		ISA 64  */
    921 #define	MIPS_XLR532B	0x09	/* RMI XLR532-B	 		ISA 64  */
    922 #define	MIPS_XLR716B	0x0a	/* RMI XLR716-B	 		ISA 64  */
    923 #define	MIPS_XLR732B	0x0b	/* RMI XLR732-B	 		ISA 64  */
    924 #define	MIPS_XLR732C	0x00	/* RMI XLR732-C	 		ISA 64  */
    925 #define	MIPS_XLR716C	0x02	/* RMI XLR716-C	 		ISA 64  */
    926 #define	MIPS_XLR532C	0x08	/* RMI XLR532-C	 		ISA 64  */
    927 #define	MIPS_XLR516C	0x0a	/* RMI XLR516-C	 		ISA 64  */
    928 #define	MIPS_XLR508C	0x0b	/* RMI XLR508-C	 		ISA 64  */
    929 #define	MIPS_XLR308C	0x0f	/* RMI XLR308-C	 		ISA 64  */
    930 #define	MIPS_XLS616	0x40	/* RMI XLS616	 		ISA 64  */
    931 #define	MIPS_XLS416	0x44	/* RMI XLS416	 		ISA 64  */
    932 #define	MIPS_XLS608	0x4A	/* RMI XLS608	 		ISA 64  */
    933 #define	MIPS_XLS408	0x4E	/* RMI XLS406	 		ISA 64  */
    934 #define	MIPS_XLS404	0x4F	/* RMI XLS404	 		ISA 64  */
    935 #define	MIPS_XLS408LITE	0x88	/* RMI XLS408-Lite		ISA 64  */
    936 #define	MIPS_XLS404LITE	0x8C	/* RMI XLS404-Lite	 	ISA 64  */
    937 #define	MIPS_XLS208	0x8E	/* RMI XLS208	 		ISA 64  */
    938 #define	MIPS_XLS204	0x8F	/* RMI XLS204	 		ISA 64  */
    939 #define	MIPS_XLS108	0xCE	/* RMI XLS108	 		ISA 64  */
    940 #define	MIPS_XLS104	0xCF	/* RMI XLS104	 		ISA 64  */
    941 
    942 /*
    943  * FPU processor revision ID
    944  */
    945 #define	MIPS_SOFT	0x00	/* Software emulation		ISA I	*/
    946 #define	MIPS_R2360	0x01	/* MIPS R2360 FPC		ISA I	*/
    947 #define	MIPS_R2010	0x02	/* MIPS R2010 FPC		ISA I	*/
    948 #define	MIPS_R3010	0x03	/* MIPS R3010 FPC		ISA I	*/
    949 #define	MIPS_R6010	0x04	/* MIPS R6010 FPC		ISA II	*/
    950 #define	MIPS_R4010	0x05	/* MIPS R4010 FPC		ISA II	*/
    951 #define	MIPS_R31LSI	0x06	/* LSI Logic derivate		ISA I	*/
    952 #define	MIPS_R3TOSH	0x22	/* Toshiba R3000 based FPU	ISA I	*/
    953 
    954 #ifdef ENABLE_MIPS_TX3900
    955 #include <mips/r3900regs.h>
    956 #endif
    957 #ifdef MIPS64_SB1
    958 #include <mips/sb1regs.h>
    959 #endif
    960 
    961 #endif /* _MIPS_CPUREGS_H_ */
    962