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
189struct 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
212struct fpreg {
213	uint64_t fpr_regs[HPPA_NFPREGS];
214};
215#endif /* !__ASSEMBLER__ */
216
217#endif /* _HPPA_REG_H_ */
218