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reg.h revision 1.7
      1 /*	$NetBSD: reg.h,v 1.7 2009/04/30 07:01:27 skrll Exp $	*/
      2 
      3 /*	$OpenBSD: reg.h,v 1.7 2000/06/15 17:00:37 mickey Exp $	*/
      4 
      5 /*
      6  * Copyright (c) 1998 Michael Shalayeff
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed by Michael Shalayeff.
     20  * 4. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 /*
     35  * Copyright (c) 1990,1994 The University of Utah and
     36  * the Computer Systems Laboratory at the University of Utah (CSL).
     37  * All rights reserved.
     38  *
     39  * Permission to use, copy, modify and distribute this software is hereby
     40  * granted provided that (1) source code retains these copyright, permission,
     41  * and disclaimer notices, and (2) redistributions including binaries
     42  * reproduce the notices in supporting documentation, and (3) all advertising
     43  * materials mentioning features or use of this software display the following
     44  * acknowledgement: ``This product includes software developed by the
     45  * Computer Systems Laboratory at the University of Utah.''
     46  *
     47  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
     48  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
     49  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     50  *
     51  * CSL requests users of this software to return to csl-dist (at) cs.utah.edu any
     52  * improvements that they make and grant CSL redistribution rights.
     53  *
     54  * 	Utah $Hdr: regs.h 1.6 94/12/14$
     55  *	Author: Bob Wheeler, University of Utah CSL
     56  */
     57 
     58 #ifndef _HPPA_REG_H_
     59 #define _HPPA_REG_H_
     60 
     61 /*
     62  * constants for registers for use with the following routines:
     63  *
     64  *     void mtctl(reg, value)	- move to control register
     65  *     int mfctl(reg)		- move from control register
     66  *     int mtsp(sreg, value)	- move to space register
     67  *     int mfsr(sreg)		- move from space register
     68  */
     69 
     70 #define	CR_RCTR		0
     71 #define	CR_PIDR1	8
     72 #define	CR_PIDR2	9
     73 #define	CR_CCR		10
     74 #define	CR_SAR		11
     75 #define	CR_PIDR3	12
     76 #define	CR_PIDR4	13
     77 #define	CR_IVA		14
     78 #define	CR_EIEM		15
     79 #define	CR_ITMR		16
     80 #define	CR_PCSQ		17
     81 #define	CR_PCOQ		18
     82 #define	CR_IIR		19
     83 #define	CR_ISR		20
     84 #define	CR_IOR		21
     85 #define	CR_IPSW		22
     86 #define	CR_EIRR		23
     87 
     88 /* Temporary control registers */
     89 #define	CR_CURLWP	24	/* tr0: curlwp				*/
     90 #define	CR_VTOP		25	/* tr1: virt to phys table address	*/
     91 #define	CR_TR2		26	/* tr2: (TLS?)				*/
     92 #define	CR_TR3		27	/* tr3: (TLS?)				*/
     93 #define	CR_HVTP		28	/* tr4: faulted HVT slot ptr on LC cpus */
     94 #define	CR_TR5		29	/* tr5: emu / TLB_STATS_{PRE,AFT}	*/
     95 #define	CR_UPADDR	30	/* tr6: paddr of U-area of curlwp	*/
     96 #define	CR_TR7		31	/* tr7: trap temporary register		*/
     97 
     98 /*
     99  * Diagnostic registers and bit positions
    100  */
    101 #define	DR_CPUCFG		0
    102 
    103 #define	DR0_PCXS_DHPMC		10	/* r/c D-cache error flag */
    104 #define	DR0_PCXS_ILPMC		14	/* r/c I-cache error flag */
    105 #define	DR0_PCXS_EQWSTO		16	/* r/w enable quad-word stores */
    106 #define	DR0_PCXS_IHE		18	/* r/w I-cache sid hash enable */
    107 #define	DR0_PCXS_DOMAIN		19
    108 #define	DR0_PCXS_DHE		20	/* r/w D-cache sid hash enable */
    109 
    110 #define	DR0_PCXT_DHPMC		10	/* r/c L1 D-cache error flag */
    111 #define	DR0_PCXT_ILPMC		14	/* r/c L1 I-cache error flag */
    112 #define	DR0_PCXT_IHE		18	/* r/w I-cache sid hash enable */
    113 #define	DR0_PCXT_DHE		20	/* r/w D-cache sid hash enable */
    114 
    115 /* Bits in CPU Diagnose Register 0 */
    116 #define	DR0_PCXL_L2IHPMC	6	/* r/c L2 I-cache error flag */
    117 #define	DR0_PCXL_L2IHPMC_DIS	7	/* r/w L2 I-cache hpmc disable mask */
    118 #define	DR0_PCXL_L2DHPMC	8	/* r/c L2 D-cache error flag */
    119 #define	DR0_PCXL_L2DHPMC_DIS	9	/* r/w L2 D-cache hpmc disable mask */
    120 #define	DR0_PCXL_L1IHPMC	10	/* r/c L1 I-cache error flag */
    121 #define	DR0_PCXL_L1IHPMC_DIS	11	/* r/w L1 I-cache hpmc disable mask */
    122 #define	DR0_PCXL_L2PARERR	15	/* r/c L2 Cache parity error (4 bit) */
    123 #define	DR0_PCXL_STORE0		16	/* r/w scratch space */
    124 #define	DR0_PCXL_PFMASK		17	/* r/w power-fail trap mask */
    125 #define	DR0_PCXL_STORE1		18	/* r/w scratch */
    126 #define	DR0_PCXL_FASTMODE	19	/* r   0-fast, 1-slow */
    127 #define	DR0_PCXL_ISTRM_EN	20	/* r/w I-cache streaming enable */
    128 #define	DR0_PCXL_DUAL_DIS	22	/* r/w disable dual-issue (2 bit) */
    129 #define	DR0_PCXL_ENDIAN		23	/* r/w little endian traps */
    130 #define	DR0_PCXL_SOU_EN		24	/* r/w stall-on-use on dc misses */
    131 #define	DR0_PCXL_SHINT_EN	25	/* r/w no-fill on miss store hints */
    132 #define	DR0_PCXL_IPREF_EN	26	/* r/w L2 to L1 I-cache prefetch */
    133 #define	DR0_PCXL_L2DHASH_EN	27	/* r/w L2 D-cache hash enable */
    134 #define	DR0_PCXL_L2IHASH_EN	28	/* r/w L2 I-cache hash enable */
    135 #define	DR0_PCXL_L1ICACHE_EN	29	/* r/w L1 I-cache enable */
    136 #define	DR0_PCXL_HIT		30	/* r   Diag cache read hit indication */
    137 #define	DR0_PCXL_PARERR		31	/* r   Diag cache read parity error */
    138 
    139 /* Bits in CPU Diagnose Register 25 */
    140 #define	DR25_PCXL_POWFAIL	31	/* r   set to 0 by HW on PWR fail */
    141 
    142 #define	DR0_PCXL2_L1DHPMC	8	/* r/c L1 D-cache error flag */
    143 #define	DR0_PCXL2_L1DHPMC_DIS	9	/* r/w L1 D-cache hpmc disable */
    144 #define	DR0_PCXL2_L2DHPMC	10	/* r/c L1 I-cache error flag */
    145 #define	DR0_PCXL2_L2DHPMC_DIS	11	/* r/w L1 I-cache hpmc disable */
    146 #define	DR0_PCXL2_SCRATCH	12	/* r/w scratch register */
    147 #define	DR0_PCXL2_ACCEL_IO	13	/*  /w enable accel IO writes */
    148 #define	DR0_PCXL2_STORE0	16	/* r/w scratch space */
    149 #define	DR0_PCXL2_PFMASK	17	/* r/w power-fail trap mask */
    150 #define	DR0_PCXL2_STORE1	18	/* r/w scratch */
    151 #define	DR0_PCXL2_DCSAFE	19	/* r/w serialize all data cache hangs */
    152 #define	DR0_PCXL2_ISTRM_EN	20	/* r/w I-cache streaming enable */
    153 #define	DR0_PCXL2_DUAL_DIS	22	/* r/w disable dual-issue (2 bit) */
    154 #define	DR0_PCXL2_ENDIAN	23	/* r/w little endian traps */
    155 #define	DR0_PCXL2_SOU_EN	24	/* r/w stall-on-use on dc misses */
    156 #define	DR0_PCXL2_SHINT_EN	25	/* r/w no-fill on miss store hints */
    157 #define	DR0_PCXL2_IPREF_EN	26	/* r/w L2 to L1 I-cache prefetch */
    158 #define	DR0_PCXL2_LMIN_EN	27	/* r/w minor ill insn traps on LIH */
    159 #define	DR0_PCXL2_RMIN_EN	28	/* r/w major ill insn traps on RIH */
    160 #define	DR0_PCXL2_L1CACHE_EN	29	/* r/w L1 I-cache enable */
    161 
    162 #define	DR_DTLB			8
    163 
    164 #define	DR_ITLB			9
    165 
    166 #define	DR0_PCXL2_HTLB_ADDR	24	/* page address of the htlb */
    167 #define	DR0_PCXL2_HTLB_CFG	25	/* htlb config */
    168 #define	DR0_PCXL2_HTLB_P	0	/* r   latches power fail signal */
    169 #define	DR0_PCXL2_HTLB_MASK	19	/*   w 12bit mask of the hash */
    170 #define	DR0_PCXL2_HTLB_FP	26	/* r/w 3bit FP delay */
    171 #define	DR0_PCXL2_HTLB_I	28	/* r/w disable ITLB htlb lookup */
    172 #define	DR0_PCXL2_HTLB_U	29	/* r/w set cr28 only if tag nomatch */
    173 #define	DR0_PCXL2_HTLB_N	30	/* r/w set cr28 from w3 or w7 (0) */
    174 #define	DR0_PCXL2_HTLB_D	31	/* r/w disable DTLB htlb lookup */
    175 
    176 #define	DR_ITLB_SIZE_1		24
    177 #define	DR_ITLB_SIZE_0		25
    178 
    179 #define	DR_DTLB_SIZE_1		26
    180 #define	DR_DTLB_SIZE_0		27
    181 
    182 #define CCR_MASK 0xff
    183 
    184 #define	HPPA_NREGS	(32)
    185 #define	HPPA_NFPREGS	(33)	/* 33rd is used for r0 in fpemul */
    186 
    187 #ifndef __ASSEMBLER__
    188 
    189 struct reg {
    190 	u_int32_t r_regs[HPPA_NREGS];	/* r0 is psw */
    191 
    192 	u_int32_t r_sar;
    193 
    194 	u_int32_t r_pcsqh;
    195 	u_int32_t r_pcsqt;
    196 	u_int32_t r_pcoqh;
    197 	u_int32_t r_pcoqt;
    198 
    199 	u_int32_t r_sr0;
    200 	u_int32_t r_sr1;
    201 	u_int32_t r_sr2;
    202 	u_int32_t r_sr3;
    203 	u_int32_t r_sr4;
    204 	u_int32_t r_sr5;	/* !mcontext */
    205 	u_int32_t r_sr6;	/* !mcontext */
    206 	u_int32_t r_sr7;	/* !mcontext */
    207 
    208 	u_int32_t r_cr26;
    209 	u_int32_t r_cr27;
    210 };
    211 
    212 struct fpreg {
    213 	u_int64_t fpr_regs[HPPA_NFPREGS];
    214 };
    215 #endif /* !__ASSEMBLER__ */
    216 
    217 #endif /* _HPPA_REG_H_ */
    218