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2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
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2/*
3 * OpenRISC Linux
4 *
5 * SPR Definitions
6 *
7 * Copyright (C) 2000 Damjan Lampret
8 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
9 * Copyright (C) 2008, 2010 Embecosm Limited
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * et al.
12 *
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13 * This file is part of OpenRISC 1000 Architectural Simulator.
14 */
15
16#ifndef SPR_DEFS__H
17#define SPR_DEFS__H
18
19/* Definition of special-purpose registers (SPRs). */
20
21#define MAX_GRPS (32)
22#define MAX_SPRS_PER_GRP_BITS (11)
23#define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS)
24#define MAX_SPRS (0x10000)
25
26/* Base addresses for the groups */
27#define SPRGROUP_SYS (0 << MAX_SPRS_PER_GRP_BITS)
28#define SPRGROUP_DMMU (1 << MAX_SPRS_PER_GRP_BITS)
29#define SPRGROUP_IMMU (2 << MAX_SPRS_PER_GRP_BITS)
30#define SPRGROUP_DC (3 << MAX_SPRS_PER_GRP_BITS)
31#define SPRGROUP_IC (4 << MAX_SPRS_PER_GRP_BITS)
32#define SPRGROUP_MAC (5 << MAX_SPRS_PER_GRP_BITS)
33#define SPRGROUP_D (6 << MAX_SPRS_PER_GRP_BITS)
34#define SPRGROUP_PC (7 << MAX_SPRS_PER_GRP_BITS)
35#define SPRGROUP_PM (8 << MAX_SPRS_PER_GRP_BITS)
36#define SPRGROUP_PIC (9 << MAX_SPRS_PER_GRP_BITS)
37#define SPRGROUP_TT (10 << MAX_SPRS_PER_GRP_BITS)
38#define SPRGROUP_FP (11 << MAX_SPRS_PER_GRP_BITS)
39
40/* System control and status group */
41#define SPR_VR (SPRGROUP_SYS + 0)
42#define SPR_UPR (SPRGROUP_SYS + 1)
43#define SPR_CPUCFGR (SPRGROUP_SYS + 2)
44#define SPR_DMMUCFGR (SPRGROUP_SYS + 3)
45#define SPR_IMMUCFGR (SPRGROUP_SYS + 4)
46#define SPR_DCCFGR (SPRGROUP_SYS + 5)
47#define SPR_ICCFGR (SPRGROUP_SYS + 6)
48#define SPR_DCFGR (SPRGROUP_SYS + 7)
49#define SPR_PCCFGR (SPRGROUP_SYS + 8)
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50#define SPR_VR2 (SPRGROUP_SYS + 9)
51#define SPR_AVR (SPRGROUP_SYS + 10)
52#define SPR_EVBAR (SPRGROUP_SYS + 11)
53#define SPR_AECR (SPRGROUP_SYS + 12)
54#define SPR_AESR (SPRGROUP_SYS + 13)
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55#define SPR_NPC (SPRGROUP_SYS + 16) /* CZ 21/06/01 */
56#define SPR_SR (SPRGROUP_SYS + 17) /* CZ 21/06/01 */
57#define SPR_PPC (SPRGROUP_SYS + 18) /* CZ 21/06/01 */
58#define SPR_FPCSR (SPRGROUP_SYS + 20) /* CZ 21/06/01 */
59#define SPR_EPCR_BASE (SPRGROUP_SYS + 32) /* CZ 21/06/01 */
60#define SPR_EPCR_LAST (SPRGROUP_SYS + 47) /* CZ 21/06/01 */
61#define SPR_EEAR_BASE (SPRGROUP_SYS + 48)
62#define SPR_EEAR_LAST (SPRGROUP_SYS + 63)
63#define SPR_ESR_BASE (SPRGROUP_SYS + 64)
64#define SPR_ESR_LAST (SPRGROUP_SYS + 79)
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65#define SPR_COREID (SPRGROUP_SYS + 128)
66#define SPR_NUMCORES (SPRGROUP_SYS + 129)
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67#define SPR_GPR_BASE (SPRGROUP_SYS + 1024)
68
69/* Data MMU group */
70#define SPR_DMMUCR (SPRGROUP_DMMU + 0)
71#define SPR_DTLBEIR (SPRGROUP_DMMU + 2)
72#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100)
73#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100)
74#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100)
75#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100)
76
77/* Instruction MMU group */
78#define SPR_IMMUCR (SPRGROUP_IMMU + 0)
79#define SPR_ITLBEIR (SPRGROUP_IMMU + 2)
80#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100)
81#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100)
82#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100)
83#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100)
84
85/* Data cache group */
86#define SPR_DCCR (SPRGROUP_DC + 0)
87#define SPR_DCBPR (SPRGROUP_DC + 1)
88#define SPR_DCBFR (SPRGROUP_DC + 2)
89#define SPR_DCBIR (SPRGROUP_DC + 3)
90#define SPR_DCBWR (SPRGROUP_DC + 4)
91#define SPR_DCBLR (SPRGROUP_DC + 5)
92#define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200)
93#define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200)
94
95/* Instruction cache group */
96#define SPR_ICCR (SPRGROUP_IC + 0)
97#define SPR_ICBPR (SPRGROUP_IC + 1)
98#define SPR_ICBIR (SPRGROUP_IC + 2)
99#define SPR_ICBLR (SPRGROUP_IC + 3)
100#define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200)
101#define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200)
102
103/* MAC group */
104#define SPR_MACLO (SPRGROUP_MAC + 1)
105#define SPR_MACHI (SPRGROUP_MAC + 2)
106
107/* Debug group */
108#define SPR_DVR(N) (SPRGROUP_D + (N))
109#define SPR_DCR(N) (SPRGROUP_D + 8 + (N))
110#define SPR_DMR1 (SPRGROUP_D + 16)
111#define SPR_DMR2 (SPRGROUP_D + 17)
112#define SPR_DWCR0 (SPRGROUP_D + 18)
113#define SPR_DWCR1 (SPRGROUP_D + 19)
114#define SPR_DSR (SPRGROUP_D + 20)
115#define SPR_DRR (SPRGROUP_D + 21)
116
117/* Performance counters group */
118#define SPR_PCCR(N) (SPRGROUP_PC + (N))
119#define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N))
120
121/* Power management group */
122#define SPR_PMR (SPRGROUP_PM + 0)
123
124/* PIC group */
125#define SPR_PICMR (SPRGROUP_PIC + 0)
126#define SPR_PICPR (SPRGROUP_PIC + 1)
127#define SPR_PICSR (SPRGROUP_PIC + 2)
128
129/* Tick Timer group */
130#define SPR_TTMR (SPRGROUP_TT + 0)
131#define SPR_TTCR (SPRGROUP_TT + 1)
132
133/*
134 * Bit definitions for the Version Register
135 *
136 */
137#define SPR_VR_VER 0xff000000 /* Processor version */
138#define SPR_VR_CFG 0x00ff0000 /* Processor configuration */
139#define SPR_VR_RES 0x0000ffc0 /* Reserved */
140#define SPR_VR_REV 0x0000003f /* Processor revision */
8e6d08e0 141#define SPR_VR_UVRP 0x00000040 /* Updated Version Registers Present */
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142
143#define SPR_VR_VER_OFF 24
144#define SPR_VR_CFG_OFF 16
145#define SPR_VR_REV_OFF 0
146
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147/*
148 * Bit definitions for the Version Register 2
149 */
150#define SPR_VR2_CPUID 0xff000000 /* Processor ID */
151#define SPR_VR2_VER 0x00ffffff /* Processor version */
152
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153/*
154 * Bit definitions for the Unit Present Register
155 *
156 */
157#define SPR_UPR_UP 0x00000001 /* UPR present */
158#define SPR_UPR_DCP 0x00000002 /* Data cache present */
159#define SPR_UPR_ICP 0x00000004 /* Instruction cache present */
160#define SPR_UPR_DMP 0x00000008 /* Data MMU present */
161#define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */
162#define SPR_UPR_MP 0x00000020 /* MAC present */
163#define SPR_UPR_DUP 0x00000040 /* Debug unit present */
164#define SPR_UPR_PCUP 0x00000080 /* Performance counters unit present */
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165#define SPR_UPR_PICP 0x00000100 /* PIC present */
166#define SPR_UPR_PMP 0x00000200 /* Power management present */
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167#define SPR_UPR_TTP 0x00000400 /* Tick timer present */
168#define SPR_UPR_RES 0x00fe0000 /* Reserved */
169#define SPR_UPR_CUP 0xff000000 /* Context units present */
170
171/*
172 * JPB: Bit definitions for the CPU configuration register
173 *
174 */
175#define SPR_CPUCFGR_NSGF 0x0000000f /* Number of shadow GPR files */
176#define SPR_CPUCFGR_CGF 0x00000010 /* Custom GPR file */
177#define SPR_CPUCFGR_OB32S 0x00000020 /* ORBIS32 supported */
178#define SPR_CPUCFGR_OB64S 0x00000040 /* ORBIS64 supported */
179#define SPR_CPUCFGR_OF32S 0x00000080 /* ORFPX32 supported */
180#define SPR_CPUCFGR_OF64S 0x00000100 /* ORFPX64 supported */
181#define SPR_CPUCFGR_OV64S 0x00000200 /* ORVDX64 supported */
182#define SPR_CPUCFGR_RES 0xfffffc00 /* Reserved */
183
184/*
185 * JPB: Bit definitions for the Debug configuration register and other
186 * constants.
187 *
188 */
189
190#define SPR_DCFGR_NDP 0x00000007 /* Number of matchpoints mask */
191#define SPR_DCFGR_NDP1 0x00000000 /* One matchpoint supported */
192#define SPR_DCFGR_NDP2 0x00000001 /* Two matchpoints supported */
193#define SPR_DCFGR_NDP3 0x00000002 /* Three matchpoints supported */
194#define SPR_DCFGR_NDP4 0x00000003 /* Four matchpoints supported */
195#define SPR_DCFGR_NDP5 0x00000004 /* Five matchpoints supported */
196#define SPR_DCFGR_NDP6 0x00000005 /* Six matchpoints supported */
197#define SPR_DCFGR_NDP7 0x00000006 /* Seven matchpoints supported */
198#define SPR_DCFGR_NDP8 0x00000007 /* Eight matchpoints supported */
199#define SPR_DCFGR_WPCI 0x00000008 /* Watchpoint counters implemented */
200
201#define MATCHPOINTS_TO_NDP(n) (1 == n ? SPR_DCFGR_NDP1 : \
202 2 == n ? SPR_DCFGR_NDP2 : \
203 3 == n ? SPR_DCFGR_NDP3 : \
204 4 == n ? SPR_DCFGR_NDP4 : \
205 5 == n ? SPR_DCFGR_NDP5 : \
206 6 == n ? SPR_DCFGR_NDP6 : \
207 7 == n ? SPR_DCFGR_NDP7 : SPR_DCFGR_NDP8)
208#define MAX_MATCHPOINTS 8
209#define MAX_WATCHPOINTS (MAX_MATCHPOINTS + 2)
210
211/*
212 * Bit definitions for the Supervision Register
213 *
214 */
215#define SPR_SR_SM 0x00000001 /* Supervisor Mode */
216#define SPR_SR_TEE 0x00000002 /* Tick timer Exception Enable */
217#define SPR_SR_IEE 0x00000004 /* Interrupt Exception Enable */
218#define SPR_SR_DCE 0x00000008 /* Data Cache Enable */
219#define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */
220#define SPR_SR_DME 0x00000020 /* Data MMU Enable */
221#define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */
222#define SPR_SR_LEE 0x00000080 /* Little Endian Enable */
223#define SPR_SR_CE 0x00000100 /* CID Enable */
224#define SPR_SR_F 0x00000200 /* Condition Flag */
225#define SPR_SR_CY 0x00000400 /* Carry flag */
226#define SPR_SR_OV 0x00000800 /* Overflow flag */
227#define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */
228#define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */
229#define SPR_SR_EPH 0x00004000 /* Exception Prefix High */
230#define SPR_SR_FO 0x00008000 /* Fixed one */
231#define SPR_SR_SUMRA 0x00010000 /* Supervisor SPR read access */
232#define SPR_SR_RES 0x0ffe0000 /* Reserved */
233#define SPR_SR_CID 0xf0000000 /* Context ID */
234
235/*
236 * Bit definitions for the Data MMU Control Register
237 *
238 */
239#define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */
240#define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
241#define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
242#define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
243
244/*
245 * Bit definitions for the Instruction MMU Control Register
246 *
247 */
248#define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */
249#define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
250#define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
251#define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
252
253/*
254 * Bit definitions for the Data TLB Match Register
255 *
256 */
257#define SPR_DTLBMR_V 0x00000001 /* Valid */
258#define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
259#define SPR_DTLBMR_CID 0x0000003c /* Context ID */
260#define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */
261#define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */
262
263/*
264 * Bit definitions for the Data TLB Translate Register
265 *
266 */
267#define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */
268#define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */
269#define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */
270#define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
271#define SPR_DTLBTR_A 0x00000010 /* Accessed */
272#define SPR_DTLBTR_D 0x00000020 /* Dirty */
273#define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */
274#define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */
275#define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */
276#define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */
277#define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */
278
279/*
280 * Bit definitions for the Instruction TLB Match Register
281 *
282 */
283#define SPR_ITLBMR_V 0x00000001 /* Valid */
284#define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
285#define SPR_ITLBMR_CID 0x0000003c /* Context ID */
286#define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */
287#define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */
288
289/*
290 * Bit definitions for the Instruction TLB Translate Register
291 *
292 */
293#define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */
294#define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */
295#define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */
296#define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
297#define SPR_ITLBTR_A 0x00000010 /* Accessed */
298#define SPR_ITLBTR_D 0x00000020 /* Dirty */
299#define SPR_ITLBTR_SXE 0x00000040 /* User Read Enable */
300#define SPR_ITLBTR_UXE 0x00000080 /* User Write Enable */
301#define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */
302
303/*
304 * Bit definitions for Data Cache Control register
305 *
306 */
307#define SPR_DCCR_EW 0x000000ff /* Enable ways */
308
309/*
310 * Bit definitions for Insn Cache Control register
311 *
312 */
313#define SPR_ICCR_EW 0x000000ff /* Enable ways */
314
315/*
316 * Bit definitions for Data Cache Configuration Register
317 *
318 */
319
320#define SPR_DCCFGR_NCW 0x00000007
321#define SPR_DCCFGR_NCS 0x00000078
322#define SPR_DCCFGR_CBS 0x00000080
323#define SPR_DCCFGR_CWS 0x00000100
324#define SPR_DCCFGR_CCRI 0x00000200
325#define SPR_DCCFGR_CBIRI 0x00000400
326#define SPR_DCCFGR_CBPRI 0x00000800
327#define SPR_DCCFGR_CBLRI 0x00001000
328#define SPR_DCCFGR_CBFRI 0x00002000
329#define SPR_DCCFGR_CBWBRI 0x00004000
330
331#define SPR_DCCFGR_NCW_OFF 0
332#define SPR_DCCFGR_NCS_OFF 3
333#define SPR_DCCFGR_CBS_OFF 7
334
335/*
336 * Bit definitions for Instruction Cache Configuration Register
337 *
338 */
339#define SPR_ICCFGR_NCW 0x00000007
340#define SPR_ICCFGR_NCS 0x00000078
341#define SPR_ICCFGR_CBS 0x00000080
342#define SPR_ICCFGR_CCRI 0x00000200
343#define SPR_ICCFGR_CBIRI 0x00000400
344#define SPR_ICCFGR_CBPRI 0x00000800
345#define SPR_ICCFGR_CBLRI 0x00001000
346
347#define SPR_ICCFGR_NCW_OFF 0
348#define SPR_ICCFGR_NCS_OFF 3
349#define SPR_ICCFGR_CBS_OFF 7
350
351/*
352 * Bit definitions for Data MMU Configuration Register
353 *
354 */
355
356#define SPR_DMMUCFGR_NTW 0x00000003
357#define SPR_DMMUCFGR_NTS 0x0000001C
358#define SPR_DMMUCFGR_NAE 0x000000E0
359#define SPR_DMMUCFGR_CRI 0x00000100
360#define SPR_DMMUCFGR_PRI 0x00000200
361#define SPR_DMMUCFGR_TEIRI 0x00000400
362#define SPR_DMMUCFGR_HTR 0x00000800
363
364#define SPR_DMMUCFGR_NTW_OFF 0
365#define SPR_DMMUCFGR_NTS_OFF 2
366
367/*
368 * Bit definitions for Instruction MMU Configuration Register
369 *
370 */
371
372#define SPR_IMMUCFGR_NTW 0x00000003
373#define SPR_IMMUCFGR_NTS 0x0000001C
374#define SPR_IMMUCFGR_NAE 0x000000E0
375#define SPR_IMMUCFGR_CRI 0x00000100
376#define SPR_IMMUCFGR_PRI 0x00000200
377#define SPR_IMMUCFGR_TEIRI 0x00000400
378#define SPR_IMMUCFGR_HTR 0x00000800
379
380#define SPR_IMMUCFGR_NTW_OFF 0
381#define SPR_IMMUCFGR_NTS_OFF 2
382
383/*
384 * Bit definitions for Debug Control registers
385 *
386 */
387#define SPR_DCR_DP 0x00000001 /* DVR/DCR present */
388#define SPR_DCR_CC 0x0000000e /* Compare condition */
389#define SPR_DCR_SC 0x00000010 /* Signed compare */
390#define SPR_DCR_CT 0x000000e0 /* Compare to */
391
392/* Bit results with SPR_DCR_CC mask */
393#define SPR_DCR_CC_MASKED 0x00000000
394#define SPR_DCR_CC_EQUAL 0x00000002
395#define SPR_DCR_CC_LESS 0x00000004
396#define SPR_DCR_CC_LESSE 0x00000006
397#define SPR_DCR_CC_GREAT 0x00000008
398#define SPR_DCR_CC_GREATE 0x0000000a
399#define SPR_DCR_CC_NEQUAL 0x0000000c
400
401/* Bit results with SPR_DCR_CT mask */
402#define SPR_DCR_CT_DISABLED 0x00000000
403#define SPR_DCR_CT_IFEA 0x00000020
404#define SPR_DCR_CT_LEA 0x00000040
405#define SPR_DCR_CT_SEA 0x00000060
406#define SPR_DCR_CT_LD 0x00000080
407#define SPR_DCR_CT_SD 0x000000a0
408#define SPR_DCR_CT_LSEA 0x000000c0
409#define SPR_DCR_CT_LSD 0x000000e0
410/* SPR_DCR_CT_LSD doesn't seem to be implemented anywhere in or1ksim. 2004-1-30 HP */
411
412/*
413 * Bit definitions for Debug Mode 1 register
414 *
415 */
416#define SPR_DMR1_CW 0x000fffff /* Chain register pair data */
417#define SPR_DMR1_CW0_AND 0x00000001
418#define SPR_DMR1_CW0_OR 0x00000002
419#define SPR_DMR1_CW0 (SPR_DMR1_CW0_AND | SPR_DMR1_CW0_OR)
420#define SPR_DMR1_CW1_AND 0x00000004
421#define SPR_DMR1_CW1_OR 0x00000008
422#define SPR_DMR1_CW1 (SPR_DMR1_CW1_AND | SPR_DMR1_CW1_OR)
423#define SPR_DMR1_CW2_AND 0x00000010
424#define SPR_DMR1_CW2_OR 0x00000020
425#define SPR_DMR1_CW2 (SPR_DMR1_CW2_AND | SPR_DMR1_CW2_OR)
426#define SPR_DMR1_CW3_AND 0x00000040
427#define SPR_DMR1_CW3_OR 0x00000080
428#define SPR_DMR1_CW3 (SPR_DMR1_CW3_AND | SPR_DMR1_CW3_OR)
429#define SPR_DMR1_CW4_AND 0x00000100
430#define SPR_DMR1_CW4_OR 0x00000200
431#define SPR_DMR1_CW4 (SPR_DMR1_CW4_AND | SPR_DMR1_CW4_OR)
432#define SPR_DMR1_CW5_AND 0x00000400
433#define SPR_DMR1_CW5_OR 0x00000800
434#define SPR_DMR1_CW5 (SPR_DMR1_CW5_AND | SPR_DMR1_CW5_OR)
435#define SPR_DMR1_CW6_AND 0x00001000
436#define SPR_DMR1_CW6_OR 0x00002000
437#define SPR_DMR1_CW6 (SPR_DMR1_CW6_AND | SPR_DMR1_CW6_OR)
438#define SPR_DMR1_CW7_AND 0x00004000
439#define SPR_DMR1_CW7_OR 0x00008000
440#define SPR_DMR1_CW7 (SPR_DMR1_CW7_AND | SPR_DMR1_CW7_OR)
441#define SPR_DMR1_CW8_AND 0x00010000
442#define SPR_DMR1_CW8_OR 0x00020000
443#define SPR_DMR1_CW8 (SPR_DMR1_CW8_AND | SPR_DMR1_CW8_OR)
444#define SPR_DMR1_CW9_AND 0x00040000
445#define SPR_DMR1_CW9_OR 0x00080000
446#define SPR_DMR1_CW9 (SPR_DMR1_CW9_AND | SPR_DMR1_CW9_OR)
447#define SPR_DMR1_RES1 0x00300000 /* Reserved */
448#define SPR_DMR1_ST 0x00400000 /* Single-step trace*/
449#define SPR_DMR1_BT 0x00800000 /* Branch trace */
450#define SPR_DMR1_RES2 0xff000000 /* Reserved */
451
452/*
453 * Bit definitions for Debug Mode 2 register. AWTC and WGB corrected by JPB
454 *
455 */
456#define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */
457#define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */
458#define SPR_DMR2_AWTC 0x00000ffc /* Assign watchpoints to counters */
459#define SPR_DMR2_AWTC_OFF 2 /* Bit offset to AWTC field */
460#define SPR_DMR2_WGB 0x003ff000 /* Watchpoints generating breakpoint */
461#define SPR_DMR2_WGB_OFF 12 /* Bit offset to WGB field */
462#define SPR_DMR2_WBS 0xffc00000 /* JPB: Watchpoint status */
463#define SPR_DMR2_WBS_OFF 22 /* Bit offset to WBS field */
464
465/*
466 * Bit definitions for Debug watchpoint counter registers
467 *
468 */
469#define SPR_DWCR_COUNT 0x0000ffff /* Count */
470#define SPR_DWCR_MATCH 0xffff0000 /* Match */
471#define SPR_DWCR_MATCH_OFF 16 /* Match bit offset */
472
473/*
474 * Bit definitions for Debug stop register
475 *
476 */
477#define SPR_DSR_RSTE 0x00000001 /* Reset exception */
478#define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */
479#define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */
480#define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */
481#define SPR_DSR_TTE 0x00000010 /* Tick Timer exception */
482#define SPR_DSR_AE 0x00000020 /* Alignment exception */
483#define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */
484#define SPR_DSR_IE 0x00000080 /* Interrupt exception */
485#define SPR_DSR_DME 0x00000100 /* DTLB miss exception */
486#define SPR_DSR_IME 0x00000200 /* ITLB miss exception */
487#define SPR_DSR_RE 0x00000400 /* Range exception */
488#define SPR_DSR_SCE 0x00000800 /* System call exception */
489#define SPR_DSR_FPE 0x00001000 /* Floating Point Exception */
490#define SPR_DSR_TE 0x00002000 /* Trap exception */
491
492/*
493 * Bit definitions for Debug reason register
494 *
495 */
496#define SPR_DRR_RSTE 0x00000001 /* Reset exception */
497#define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */
498#define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */
499#define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */
500#define SPR_DRR_TTE 0x00000010 /* Tick Timer exception */
501#define SPR_DRR_AE 0x00000020 /* Alignment exception */
502#define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */
503#define SPR_DRR_IE 0x00000080 /* Interrupt exception */
504#define SPR_DRR_DME 0x00000100 /* DTLB miss exception */
505#define SPR_DRR_IME 0x00000200 /* ITLB miss exception */
506#define SPR_DRR_RE 0x00000400 /* Range exception */
507#define SPR_DRR_SCE 0x00000800 /* System call exception */
508#define SPR_DRR_FPE 0x00001000 /* Floating Point Exception */
509#define SPR_DRR_TE 0x00002000 /* Trap exception */
510
511/*
512 * Bit definitions for Performance counters mode registers
513 *
514 */
515#define SPR_PCMR_CP 0x00000001 /* Counter present */
516#define SPR_PCMR_UMRA 0x00000002 /* User mode read access */
517#define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */
518#define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */
519#define SPR_PCMR_LA 0x00000010 /* Load access event */
520#define SPR_PCMR_SA 0x00000020 /* Store access event */
521#define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/
522#define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */
523#define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */
524#define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */
525#define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */
526#define SPR_PCMR_BS 0x00000800 /* Branch stall event */
527#define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */
528#define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */
529#define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */
530#define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */
531
532/*
533 * Bit definitions for the Power management register
534 *
535 */
536#define SPR_PMR_SDF 0x0000000f /* Slow down factor */
537#define SPR_PMR_DME 0x00000010 /* Doze mode enable */
538#define SPR_PMR_SME 0x00000020 /* Sleep mode enable */
539#define SPR_PMR_DCGE 0x00000040 /* Dynamic clock gating enable */
540#define SPR_PMR_SUME 0x00000080 /* Suspend mode enable */
541
542/*
543 * Bit definitions for PICMR
544 *
545 */
546#define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */
547
548/*
549 * Bit definitions for PICPR
550 *
551 */
552#define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */
553
554/*
555 * Bit definitions for PICSR
556 *
557 */
558#define SPR_PICSR_IS 0xffffffff /* Interrupt status */
559
560/*
561 * Bit definitions for Tick Timer Control Register
562 *
563 */
564
565#define SPR_TTCR_CNT 0xffffffff /* Count, time period */
566#define SPR_TTMR_TP 0x0fffffff /* Time period */
567#define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */
568#define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */
569#define SPR_TTMR_DI 0x00000000 /* Disabled */
570#define SPR_TTMR_RT 0x40000000 /* Restart tick */
571#define SPR_TTMR_SR 0x80000000 /* Single run */
572#define SPR_TTMR_CR 0xc0000000 /* Continuous run */
573#define SPR_TTMR_M 0xc0000000 /* Tick mode */
574
575/*
576 * Bit definitions for the FP Control Status Register
577 *
578 */
579#define SPR_FPCSR_FPEE 0x00000001 /* Floating Point Exception Enable */
580#define SPR_FPCSR_RM 0x00000006 /* Rounding Mode */
581#define SPR_FPCSR_OVF 0x00000008 /* Overflow Flag */
582#define SPR_FPCSR_UNF 0x00000010 /* Underflow Flag */
583#define SPR_FPCSR_SNF 0x00000020 /* SNAN Flag */
584#define SPR_FPCSR_QNF 0x00000040 /* QNAN Flag */
585#define SPR_FPCSR_ZF 0x00000080 /* Zero Flag */
586#define SPR_FPCSR_IXF 0x00000100 /* Inexact Flag */
587#define SPR_FPCSR_IVF 0x00000200 /* Invalid Flag */
588#define SPR_FPCSR_INF 0x00000400 /* Infinity Flag */
589#define SPR_FPCSR_DZF 0x00000800 /* Divide By Zero Flag */
590#define SPR_FPCSR_ALLF (SPR_FPCSR_OVF | SPR_FPCSR_UNF | SPR_FPCSR_SNF | \
591 SPR_FPCSR_QNF | SPR_FPCSR_ZF | SPR_FPCSR_IXF | \
592 SPR_FPCSR_IVF | SPR_FPCSR_INF | SPR_FPCSR_DZF)
593
594#define FPCSR_RM_RN (0<<1)
595#define FPCSR_RM_RZ (1<<1)
596#define FPCSR_RM_RIP (2<<1)
597#define FPCSR_RM_RIN (3<<1)
598
599/*
600 * l.nop constants
601 *
602 */
603#define NOP_NOP 0x0000 /* Normal nop instruction */
604#define NOP_EXIT 0x0001 /* End of simulation */
605#define NOP_REPORT 0x0002 /* Simple report */
606/*#define NOP_PRINTF 0x0003 Simprintf instruction (obsolete)*/
607#define NOP_PUTC 0x0004 /* JPB: Simputc instruction */
608#define NOP_CNT_RESET 0x0005 /* Reset statistics counters */
609#define NOP_GET_TICKS 0x0006 /* JPB: Get # ticks running */
610#define NOP_GET_PS 0x0007 /* JPB: Get picosecs/cycle */
611#define NOP_REPORT_FIRST 0x0400 /* Report with number */
612#define NOP_REPORT_LAST 0x03ff /* Report with number */
613
614#endif /* SPR_DEFS__H */