1 /*        $NetBSD: reg.h,v 1.13 2019/04/16 12:25:17 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