xref: /openbsd/sys/arch/hppa/include/reg.h (revision e27aa0a3)
1 /*	$OpenBSD: reg.h,v 1.12 2012/08/29 18:58:45 kettenis Exp $	*/
2 
3 /*
4  * Copyright (c) 1998-2004 Michael Shalayeff
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26  * THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 /*
29  * Copyright (c) 1990,1994 The University of Utah and
30  * the Computer Systems Laboratory at the University of Utah (CSL).
31  * All rights reserved.
32  *
33  * Permission to use, copy, modify and distribute this software is hereby
34  * granted provided that (1) source code retains these copyright, permission,
35  * and disclaimer notices, and (2) redistributions including binaries
36  * reproduce the notices in supporting documentation, and (3) all advertising
37  * materials mentioning features or use of this software display the following
38  * acknowledgement: ``This product includes software developed by the
39  * Computer Systems Laboratory at the University of Utah.''
40  *
41  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
42  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
43  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
44  *
45  * CSL requests users of this software to return to csl-dist@cs.utah.edu any
46  * improvements that they make and grant CSL redistribution rights.
47  *
48  * 	Utah $Hdr: regs.h 1.6 94/12/14$
49  *	Author: Bob Wheeler, University of Utah CSL
50  */
51 
52 #ifndef _MACHINE_REG_H_
53 #define _MACHINE_REG_H_
54 
55 /*
56  * constants for registers for use with the following routines:
57  *
58  *     void mtctl(reg, value)	- move to control register
59  *     int mfctl(reg)		- move from control register
60  *     int mtsp(sreg, value)	- move to space register
61  *     int mfsr(sreg)		- move from space register
62  */
63 
64 #define	CR_RCTR		0
65 #define	CR_PIDR1	8
66 #define	CR_PIDR2	9
67 #define	CR_CCR		10
68 #define	CR_SAR		11
69 #define	CR_PIDR3	12
70 #define	CR_PIDR4	13
71 #define	CR_IVA		14
72 #define	CR_EIEM		15
73 #define	CR_ITMR		16
74 #define	CR_PCSQ		17
75 #define	CR_PCOQ		18
76 #define	CR_IIR		19
77 #define	CR_ISR		20
78 #define	CR_IOR		21
79 #define	CR_IPSW		22
80 #define	CR_EIRR		23
81 #define	CR_HPTMASK	24
82 #define	CR_VTOP		25
83 #define	CR_TR2		26
84 #define	CR_TR3		27
85 #define	CR_HVTP		28	/* points to a faulted HVT slot on LC cpus */
86 #define	CR_TR5		29
87 #define	CR_UPADDR	30	/* paddr of U-area of curproc */
88 #define	CR_TR7		31
89 
90 /*
91  * Diagnostic registers and bit positions
92  */
93 #define	DR_CPUCFG		0
94 
95 #define	DR0_PCXS_DHPMC		10	/* r/c D-cache error flag */
96 #define	DR0_PCXS_ILPMC		14	/* r/c I-cache error flag */
97 #define	DR0_PCXS_EQWSTO		16	/* r/w enable quad-word stores */
98 #define	DR0_PCXS_IHE		18	/* r/w I-cache sid hash enable */
99 #define	DR0_PCXS_DOMAIN		19
100 #define	DR0_PCXS_DHE		20	/* r/w D-cache sid hash enable */
101 
102 #define	DR0_PCXT_DHPMC		10	/* r/c L1 D-cache error flag */
103 #define	DR0_PCXT_ILPMC		14	/* r/c L1 I-cache error flag */
104 #define	DR0_PCXT_IHE		18	/* r/w I-cache sid hash enable */
105 #define	DR0_PCXT_DHE		20	/* r/w D-cache sid hash enable */
106 
107 #define	DR0_PCXL_L2IHPMC	6	/* r/c L2 I-cache error flag */
108 #define	DR0_PCXL_L2IHPMC_DIS	7	/* r/w L2 I-cache hpmc disable mask */
109 #define	DR0_PCXL_L2DHPMC	8	/* r/c L2 D-cache error flag */
110 #define	DR0_PCXL_L2DHPMC_DIS	9	/* r/w L2 D-cache hpmc disable mask */
111 #define	DR0_PCXL_L1IHPMC	10	/* r/c L1 I-cache error flag */
112 #define	DR0_PCXL_L1IHPMC_DIS	11	/* r/w L1 I-cache hpmc disable mask */
113 #define	DR0_PCXL_L2PARERR	15	/* r/c L2 Cache parity error (4 bit) */
114 #define	DR0_PCXL_STORE0		16	/* r/w scratch space */
115 #define	DR0_PCXL_PFMASK		17	/* r/w power-fail trap mask */
116 #define	DR0_PCXL_STORE1		18	/* r/w scratch */
117 #define	DR0_PCXL_FASTMODE	19	/* r   0-fast, 1-slow */
118 #define	DR0_PCXL_ISTRM_EN	20	/* r/w I-cache streaming enable */
119 #define	DR0_PCXL_DUAL_DIS	22	/* r/w disable dual-issue (2 bit) */
120 #define	DR0_PCXL_ENDIAN		23	/* r/w little endian traps */
121 #define	DR0_PCXL_SOU_EN		24	/* r/w stall-on-use on dc misses */
122 #define	DR0_PCXL_SHINT_EN	25	/* r/w no-fill on miss store hints */
123 #define	DR0_PCXL_IPREF_EN	26	/* r/w L2 to L1 I-cache prefetch */
124 #define	DR0_PCXL_L2DHASH_EN	27	/* r/w L2 D-cache hash enable */
125 #define	DR0_PCXL_L2IHASH_EN	28	/* r/w L2 I-cache hash enable */
126 #define	DR0_PCXL_L1ICACHE_EN	29	/* r/w L1 I-cache enable */
127 #define	DR0_PCXL_HIT		30	/* r   Diag cache read hit indication */
128 #define	DR0_PCXL_PARERR		31	/* r   Diag cache read parity error */
129 
130 #define	DR0_PCXL2_L1DHPMC	8	/* r/c L1 D-cache error flag */
131 #define	DR0_PCXL2_L1DHPMC_DIS	9	/* r/w L1 D-cache hpmc disable */
132 #define	DR0_PCXL2_L2DHPMC	10	/* r/c L1 I-cache error flag */
133 #define	DR0_PCXL2_L2DHPMC_DIS	11	/* r/w L1 I-cache hpmc disable */
134 #define	DR0_PCXL2_SCRATCH	12	/* r/w scratch register */
135 #define	DR0_PCXL2_ACCEL_IO	13	/*  /w enable accel IO writes */
136 #define	DR0_PCXL2_STORE0	16	/* r/w scratch space */
137 #define	DR0_PCXL2_PFMASK	17	/* r/w power-fail trap mask */
138 #define	DR0_PCXL2_STORE1	18	/* r/w scratch */
139 #define	DR0_PCXL2_DCSAFE	19	/* r/w serialize all data cache hangs */
140 #define	DR0_PCXL2_ISTRM_EN	20	/* r/w I-cache streaming enable */
141 #define	DR0_PCXL2_DUAL_DIS	22	/* r/w disable dual-issue (2 bit) */
142 #define	DR0_PCXL2_ENDIAN	23	/* r/w little endian traps */
143 #define	DR0_PCXL2_SOU_EN	24	/* r/w stall-on-use on dc misses */
144 #define	DR0_PCXL2_SHINT_EN	25	/* r/w no-fill on miss store hints */
145 #define	DR0_PCXL2_IPREF_EN	26	/* r/w L2 to L1 I-cache prefetch */
146 #define	DR0_PCXL2_LMIN_EN	27	/* r/w minor ill insn traps on LIH */
147 #define	DR0_PCXL2_RMIN_EN	28	/* r/w major ill insn traps on RIH */
148 #define	DR0_PCXL2_L1CACHE_EN	29	/* r/w L1 I-cache enable */
149 
150 #define	DR_DTLB			8
151 
152 #define	DR_ITLB			9
153 
154 #define	DR0_PCXL2_HTLB_ADDR	24	/* page address of the htlb */
155 #define	DR0_PCXL2_HTLB_CFG	25	/* htlb config */
156 #define	DR0_PCXL2_HTLB_P	0	/* r   latches power fail signal */
157 #define	DR0_PCXL2_HTLB_MASK	19	/*   w 12bit mask of the hash */
158 #define	DR0_PCXL2_HTLB_FP	26	/* r/w 3bit FP delay */
159 #define	DR0_PCXL2_HTLB_I	28	/* r/w disable ITLB htlb lookup */
160 #define	DR0_PCXL2_HTLB_U	29	/* r/w set cr28 only if tag nomatch */
161 #define	DR0_PCXL2_HTLB_N	30	/* r/w set cr28 from w3 or w7 (0) */
162 #define	DR0_PCXL2_HTLB_D	31	/* r/w disable DTLB htlb lookup */
163 
164 #define	DR_ITLB_SIZE_1		24
165 #define	DR_ITLB_SIZE_0		25
166 
167 #define	DR_DTLB_SIZE_1		26
168 #define	DR_DTLB_SIZE_0		27
169 
170 #define CCR_MASK 0xff
171 
172 #define	HPPA_NREGS	(32)
173 #define	HPPA_NFPREGS	(33)	/* 33rd is used for r0 in fpemul */
174 
175 #ifndef _LOCORE
176 
177 struct reg {
178 	uint32_t r_regs[HPPA_NREGS];	/* r0 is psw */
179 
180 	uint32_t r_sar;
181 
182 	uint32_t r_pcsqh;
183 	uint32_t r_pcsqt;
184 	uint32_t r_pcoqh;
185 	uint32_t r_pcoqt;
186 
187 	uint32_t r_sr0;
188 	uint32_t r_sr1;
189 	uint32_t r_sr2;
190 	uint32_t r_sr3;
191 	uint32_t r_sr4;
192 	uint32_t r_sr5;
193 	uint32_t r_sr6;
194 	uint32_t r_sr7;
195 
196 	uint32_t r_cr26;
197 	uint32_t r_cr27;
198 };
199 
200 struct fpreg {
201 	uint64_t fpr_regs[HPPA_NFPREGS];
202 };
203 #endif /* !_LOCORE */
204 
205 #endif /* _MACHINE_REG_H_ */
206