xref: /netbsd/sys/arch/hppa/include/reg.h (revision 6550d01e)
1 /*	$NetBSD: reg.h,v 1.12 2010/06/06 12:13:36 skrll Exp $	*/
2 
3 /*	$OpenBSD: reg.h,v 1.7 2000/06/15 17:00:37 mickey Exp $	*/
4 
5 /*
6  * Copyright (c) 1998-2004 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  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 /*
31  * Copyright (c) 1990,1994 The University of Utah and
32  * the Computer Systems Laboratory at the University of Utah (CSL).
33  * All rights reserved.
34  *
35  * Permission to use, copy, modify and distribute this software is hereby
36  * granted provided that (1) source code retains these copyright, permission,
37  * and disclaimer notices, and (2) redistributions including binaries
38  * reproduce the notices in supporting documentation, and (3) all advertising
39  * materials mentioning features or use of this software display the following
40  * acknowledgement: ``This product includes software developed by the
41  * Computer Systems Laboratory at the University of Utah.''
42  *
43  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
44  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
45  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
46  *
47  * CSL requests users of this software to return to csl-dist@cs.utah.edu any
48  * improvements that they make and grant CSL redistribution rights.
49  *
50  * 	Utah $Hdr: regs.h 1.6 94/12/14$
51  *	Author: Bob Wheeler, University of Utah CSL
52  */
53 
54 #ifndef _HPPA_REG_H_
55 #define _HPPA_REG_H_
56 
57 /*
58  * constants for registers for use with the following routines:
59  *
60  *     void mtctl(reg, value)	- move to control register
61  *     int mfctl(reg)		- move from control register
62  *     int mtsp(sreg, value)	- move to space register
63  *     int mfsr(sreg)		- move from space register
64  */
65 
66 #define	CR_RCTR		0
67 #define	CR_PIDR1	8
68 #define	CR_PIDR2	9
69 #define	CR_CCR		10
70 #define	CR_SAR		11
71 #define	CR_PIDR3	12
72 #define	CR_PIDR4	13
73 #define	CR_IVA		14
74 #define	CR_EIEM		15
75 #define	CR_ITMR		16
76 #define	CR_PCSQ		17
77 #define	CR_PCOQ		18
78 #define	CR_IIR		19
79 #define	CR_ISR		20
80 #define	CR_IOR		21
81 #define	CR_IPSW		22
82 #define	CR_EIRR		23
83 
84 /* Temporary control registers */
85 #ifdef MULTIPROCESSOR
86 #define	CR_CURCPU	24	/* tr0: curcpu				*/
87 #else
88 #define	CR_CURLWP	24	/* tr0: curlwp				*/
89 #endif
90 #define	CR_VTOP		25	/* tr1: virt to phys table address	*/
91 #define	CR_TR2		26	/* tr2: temporary			*/
92 #define	CR_TLS		27	/* tr3: thread local storage pointer	*/
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_FPPADDR	30	/* tr6: paddr of FP regs 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 	uint32_t r_regs[HPPA_NREGS];	/* r0 is psw */
191 
192 	uint32_t r_sar;
193 
194 	uint32_t r_pcsqh;
195 	uint32_t r_pcsqt;
196 	uint32_t r_pcoqh;
197 	uint32_t r_pcoqt;
198 
199 	uint32_t r_sr0;
200 	uint32_t r_sr1;
201 	uint32_t r_sr2;
202 	uint32_t r_sr3;
203 	uint32_t r_sr4;
204 	uint32_t r_sr5;	/* !mcontext */
205 	uint32_t r_sr6;	/* !mcontext */
206 	uint32_t r_sr7;	/* !mcontext */
207 
208 	uint32_t r_cr26;
209 	uint32_t r_cr27;
210 };
211 
212 struct fpreg {
213 	uint64_t fpr_regs[HPPA_NFPREGS];
214 };
215 #endif /* !__ASSEMBLER__ */
216 
217 #endif /* _HPPA_REG_H_ */
218