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[/] [or1k/] [tags/] [rel_26/] [or1200/] [rtl/] [verilog/] [or1200_defines.v] - Blame information for rev 788

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1 504 lampret
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  OR1200's definitions                                        ////
4
////                                                              ////
5
////  This file is part of the OpenRISC 1200 project              ////
6
////  http://www.opencores.org/cores/or1k/                        ////
7
////                                                              ////
8
////  Description                                                 ////
9
////  Parameters of the OR1200 core                               ////
10
////                                                              ////
11
////  To Do:                                                      ////
12
////   - add parameters that are missing                          ////
13
////                                                              ////
14
////  Author(s):                                                  ////
15
////      - Damjan Lampret, lampret@opencores.org                 ////
16
////                                                              ////
17
//////////////////////////////////////////////////////////////////////
18
////                                                              ////
19
//// Copyright (C) 2000 Authors and OPENCORES.ORG                 ////
20
////                                                              ////
21
//// This source file may be used and distributed without         ////
22
//// restriction provided that this copyright statement is not    ////
23
//// removed from the file and that any derivative work contains  ////
24
//// the original copyright notice and the associated disclaimer. ////
25
////                                                              ////
26
//// This source file is free software; you can redistribute it   ////
27
//// and/or modify it under the terms of the GNU Lesser General   ////
28
//// Public License as published by the Free Software Foundation; ////
29
//// either version 2.1 of the License, or (at your option) any   ////
30
//// later version.                                               ////
31
////                                                              ////
32
//// This source is distributed in the hope that it will be       ////
33
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
34
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
35
//// PURPOSE.  See the GNU Lesser General Public License for more ////
36
//// details.                                                     ////
37
////                                                              ////
38
//// You should have received a copy of the GNU Lesser General    ////
39
//// Public License along with this source; if not, download it   ////
40
//// from http://www.opencores.org/lgpl.shtml                     ////
41
////                                                              ////
42
//////////////////////////////////////////////////////////////////////
43
//
44
// CVS Revision History
45
//
46
// $Log: not supported by cvs2svn $
47 788 lampret
// Revision 1.12  2002/03/28 19:25:42  lampret
48
// Added second type of Virtual Silicon two-port SRAM (for register file). Changed defines for VS STP RAMs.
49
//
50 778 lampret
// Revision 1.11  2002/03/28 19:13:17  lampret
51
// Updated defines.
52
//
53 776 lampret
// Revision 1.10  2002/03/14 00:30:24  lampret
54
// Added alternative for critical path in DU.
55
//
56 737 lampret
// Revision 1.9  2002/03/11 01:26:26  lampret
57
// Fixed async loop. Changed multiplier type for ASIC.
58
//
59 735 lampret
// Revision 1.8  2002/02/11 04:33:17  lampret
60
// Speed optimizations (removed duplicate _cyc_ and _stb_). Fixed D/IMMU cache-inhibit attr.
61
//
62 660 lampret
// Revision 1.7  2002/02/01 19:56:54  lampret
63
// Fixed combinational loops.
64
//
65 636 lampret
// Revision 1.6  2002/01/19 14:10:22  lampret
66
// Fixed OR1200_XILINX_RAM32X1D.
67
//
68 597 lampret
// Revision 1.5  2002/01/18 07:56:00  lampret
69
// No more low/high priority interrupts (PICPR removed). Added tick timer exception. Added exception prefix (SR[EPH]). Fixed single-step bug whenreading NPC.
70
//
71 589 lampret
// Revision 1.4  2002/01/14 09:44:12  lampret
72
// Default ASIC configuration does not sample WB inputs.
73
//
74 569 lampret
// Revision 1.3  2002/01/08 00:51:08  lampret
75
// Fixed typo. OR1200_REGISTERED_OUTPUTS was not defined. Should be.
76
//
77 536 lampret
// Revision 1.2  2002/01/03 21:23:03  lampret
78
// Uncommented OR1200_REGISTERED_OUTPUTS for FPGA target.
79
//
80 512 lampret
// Revision 1.1  2002/01/03 08:16:15  lampret
81
// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.
82
//
83 504 lampret
// Revision 1.20  2001/12/04 05:02:36  lampret
84
// Added OR1200_GENERIC_MULTP2_32X32 and OR1200_ASIC_MULTP2_32X32
85
//
86
// Revision 1.19  2001/11/27 19:46:57  lampret
87
// Now FPGA and ASIC target are separate.
88
//
89
// Revision 1.18  2001/11/23 21:42:31  simons
90
// Program counter divided to PPC and NPC.
91
//
92
// Revision 1.17  2001/11/23 08:38:51  lampret
93
// Changed DSR/DRR behavior and exception detection.
94
//
95
// Revision 1.16  2001/11/20 21:30:38  lampret
96
// Added OR1200_REGISTERED_INPUTS.
97
//
98
// Revision 1.15  2001/11/19 14:29:48  simons
99
// Cashes disabled.
100
//
101
// Revision 1.14  2001/11/13 10:02:21  lampret
102
// Added 'setpc'. Renamed some signals (except_flushpipe into flushpipe etc)
103
//
104
// Revision 1.13  2001/11/12 01:45:40  lampret
105
// Moved flag bit into SR. Changed RF enable from constant enable to dynamic enable for read ports.
106
//
107
// Revision 1.12  2001/11/10 03:43:57  lampret
108
// Fixed exceptions.
109
//
110
// Revision 1.11  2001/11/02 18:57:14  lampret
111
// Modified virtual silicon instantiations.
112
//
113
// Revision 1.10  2001/10/21 17:57:16  lampret
114
// Removed params from generic_XX.v. Added translate_off/on in sprs.v and id.v. Removed spr_addr from dc.v and ic.v. Fixed CR+LF.
115
//
116
// Revision 1.9  2001/10/19 23:28:46  lampret
117
// Fixed some synthesis warnings. Configured with caches and MMUs.
118
//
119
// Revision 1.8  2001/10/14 13:12:09  lampret
120
// MP3 version.
121
//
122
// Revision 1.1.1.1  2001/10/06 10:18:36  igorm
123
// no message
124
//
125
// Revision 1.3  2001/08/17 08:01:19  lampret
126
// IC enable/disable.
127
//
128
// Revision 1.2  2001/08/13 03:36:20  lampret
129
// Added cfg regs. Moved all defines into one defines.v file. More cleanup.
130
//
131
// Revision 1.1  2001/08/09 13:39:33  lampret
132
// Major clean-up.
133
//
134
// Revision 1.2  2001/07/22 03:31:54  lampret
135
// Fixed RAM's oen bug. Cache bypass under development.
136
//
137
// Revision 1.1  2001/07/20 00:46:03  lampret
138
// Development version of RTL. Libraries are missing.
139
//
140
//
141
 
142
//
143
// Dump VCD
144
//
145
//`define OR1200_VCD_DUMP
146
 
147
//
148
// Generate debug messages during simulation
149
//
150
//`define OR1200_VERBOSE
151
 
152 737 lampret
//`define OR1200_ASIC
153 504 lampret
////////////////////////////////////////////////////////
154
//
155
// Typical configuration for an ASIC
156
//
157
`ifdef OR1200_ASIC
158
 
159
//
160
// Target ASIC memories
161
//
162
//`define OR1200_ARTISAN_SSP
163
//`define OR1200_ARTISAN_SDP
164
//`define OR1200_ARTISAN_STP
165
`define OR1200_VIRTUALSILICON_SSP
166 778 lampret
`define OR1200_VIRTUALSILICON_STP_T1
167
//`define OR1200_VIRTUALSILICON_STP_T2
168 504 lampret
 
169
//
170
// Do not implement Data cache
171
//
172
//`define OR1200_NO_DC
173
 
174
//
175
// Do not implement Insn cache
176
//
177
//`define OR1200_NO_IC
178
 
179
//
180
// Do not implement Data MMU
181
//
182
//`define OR1200_NO_DMMU
183
 
184
//
185
// Do not implement Insn MMU
186
//
187
//`define OR1200_NO_IMMU
188
 
189
//
190
// Register OR1200 WISHBONE outputs
191
// (at the moment correct operation
192
// only with registered outputs)
193
//
194 536 lampret
`define OR1200_REGISTERED_OUTPUTS
195 504 lampret
 
196
//
197
// Register OR1200 WISHBNE inputs
198
//
199 569 lampret
//`define OR1200_REGISTERED_INPUTS
200 504 lampret
 
201
//
202
// Select between ASIC optimized and generic multiplier
203
//
204 735 lampret
//`define OR1200_ASIC_MULTP2_32X32
205
`define OR1200_GENERIC_MULTP2_32X32
206 504 lampret
 
207
//
208
// Size/type of insn/data cache if implemented
209
//
210
// `define OR1200_IC_1W_4KB
211
`define OR1200_IC_1W_8KB
212
// `define OR1200_DC_1W_4KB
213
`define OR1200_DC_1W_8KB
214
 
215
`else
216
 
217
 
218
/////////////////////////////////////////////////////////
219
//
220
// Typical configuration for an FPGA
221
//
222
 
223
//
224
// Target FPGA memories
225
//
226
`define OR1200_XILINX_RAMB4
227 776 lampret
//`define OR1200_XILINX_RAM32X1D
228 504 lampret
 
229
//
230
// Do not implement Data cache
231
//
232
//`define OR1200_NO_DC
233
 
234
//
235
// Do not implement Insn cache
236
//
237
//`define OR1200_NO_IC
238
 
239
//
240
// Do not implement Data MMU
241
//
242
//`define OR1200_NO_DMMU
243
 
244
//
245
// Do not implement Insn MMU
246
//
247
//`define OR1200_NO_IMMU
248
 
249
//
250
// Register OR1200 WISHBONE outputs
251
// (at the moment works only with
252
// registered outputs)
253
//
254 512 lampret
`define OR1200_REGISTERED_OUTPUTS
255 504 lampret
 
256
//
257
// Register OR1200 WISHBONE inputs
258
//
259
//`define OR1200_REGISTERED_INPUTS
260
 
261
//
262
// Select between ASIC and generic multiplier
263
//
264
//`define OR1200_ASIC_MULTP2_32X32
265
`define OR1200_GENERIC_MULTP2_32X32
266
 
267
//
268
// Size/type of insn/data cache if implemented
269
// (consider available FPGA memory resources)
270
//
271
`define OR1200_IC_1W_4KB
272
//`define OR1200_IC_1W_8KB
273
`define OR1200_DC_1W_4KB
274
//`define OR1200_DC_1W_8KB
275
 
276
`endif
277
 
278
 
279
//////////////////////////////////////////////////////////
280
//
281
// Do not change below unless you know what you are doing
282
//
283
 
284 788 lampret
//
285
// Enable additional synthesis directives if using
286
// Synopsys synthesis tool
287
//
288
//`define OR1200_ADDITIONAL_SYNOPSYS_DIRECTIVES
289
 
290
//
291 504 lampret
// Operand width / register file address width
292 788 lampret
//
293
// (DO NOT CHANGE)
294
//
295 504 lampret
`define OR1200_OPERAND_WIDTH            32
296
`define OR1200_REGFILE_ADDR_WIDTH       5
297
 
298
//
299
// Implement rotate in the ALU
300
//
301
//`define OR1200_IMPL_ALU_ROTATE
302
 
303
//
304
// Type of ALU compare to implement
305
//
306
//`define OR1200_IMPL_ALU_COMP1
307
`define OR1200_IMPL_ALU_COMP2
308
 
309
//
310
// Select between low-power (larger) multiplier or faster multiplier
311
//
312 776 lampret
//`define OR1200_LOWPWR_MULT
313 504 lampret
 
314
//
315
// Clock synchronization for RISC clk and WB divided clocks
316
//
317
// If you plan to run WB:RISC clock 1:1, you can comment these two
318
//
319
`define OR1200_CLKDIV_2_SUPPORTED
320 776 lampret
//`define OR1200_CLKDIV_4_SUPPORTED
321 504 lampret
 
322
//
323
// Type of register file RAM
324
//
325
// `define OR1200_RFRAM_TWOPORT
326
 
327
//
328 776 lampret
// Type of mem2reg aligner to implement.
329 504 lampret
//
330 776 lampret
// Once OR1200_IMPL_MEM2REG2 yielded faster
331
// circuit, however with today tools it will
332
// most probably give you slower circuit.
333
//
334
`define OR1200_IMPL_MEM2REG1
335
//`define OR1200_IMPL_MEM2REG2
336 504 lampret
 
337
//
338
// Simulate l.div and l.divu
339
//
340
// If commented, l.div/l.divu will produce undefined result. If enabled,
341
// div instructions will be simulated, but not synthesized ! OR1200
342
// does not have a hardware divider.
343
//
344
`define OR1200_SIM_ALU_DIV
345
`define OR1200_SIM_ALU_DIVU
346
 
347
//
348
// ALUOPs
349
//
350
`define OR1200_ALUOP_WIDTH      4
351 636 lampret
`define OR1200_ALUOP_NOP        4'd4
352 504 lampret
/* Order defined by arith insns that have two source operands both in regs
353
   (see binutils/include/opcode/or32.h) */
354
`define OR1200_ALUOP_ADD        4'd0
355
`define OR1200_ALUOP_ADDC       4'd1
356
`define OR1200_ALUOP_SUB        4'd2
357
`define OR1200_ALUOP_AND        4'd3
358 636 lampret
`define OR1200_ALUOP_OR         4'd4
359 504 lampret
`define OR1200_ALUOP_XOR        4'd5
360
`define OR1200_ALUOP_MUL        4'd6
361
`define OR1200_ALUOP_SHROT      4'd8
362
`define OR1200_ALUOP_DIV        4'd9
363
`define OR1200_ALUOP_DIVU       4'd10
364
/* Order not specifically defined. */
365
`define OR1200_ALUOP_IMM        4'd11
366
`define OR1200_ALUOP_MOVHI      4'd12
367
`define OR1200_ALUOP_COMP       4'd13
368
`define OR1200_ALUOP_MTSR       4'd14
369
`define OR1200_ALUOP_MFSR       4'd15
370
 
371
//
372
// MACOPs
373
//
374
`define OR1200_MACOP_WIDTH      2
375
`define OR1200_MACOP_NOP        2'b00
376
`define OR1200_MACOP_MAC        2'b01
377
`define OR1200_MACOP_MSB        2'b10
378
 
379
//
380
// Shift/rotate ops
381
//
382
`define OR1200_SHROTOP_WIDTH    2
383
`define OR1200_SHROTOP_NOP      2'd0
384
`define OR1200_SHROTOP_SLL      2'd0
385
`define OR1200_SHROTOP_SRL      2'd1
386
`define OR1200_SHROTOP_SRA      2'd2
387
`define OR1200_SHROTOP_ROR      2'd3
388
 
389
// Execution cycles per instruction
390
`define OR1200_MULTICYCLE_WIDTH 2
391
`define OR1200_ONE_CYCLE                2'd0
392
`define OR1200_TWO_CYCLES               2'd1
393
 
394
// Operand MUX selects
395
`define OR1200_SEL_WIDTH                2
396
`define OR1200_SEL_RF                   2'd0
397
`define OR1200_SEL_IMM                  2'd1
398
`define OR1200_SEL_EX_FORW              2'd2
399
`define OR1200_SEL_WB_FORW              2'd3
400
 
401
//
402
// BRANCHOPs
403
//
404
`define OR1200_BRANCHOP_WIDTH           3
405
`define OR1200_BRANCHOP_NOP             3'd0
406
`define OR1200_BRANCHOP_J               3'd1
407
`define OR1200_BRANCHOP_JR              3'd2
408
`define OR1200_BRANCHOP_BAL             3'd3
409
`define OR1200_BRANCHOP_BF              3'd4
410
`define OR1200_BRANCHOP_BNF             3'd5
411
`define OR1200_BRANCHOP_RFE             3'd6
412
 
413
//
414
// LSUOPs
415
//
416
// Bit 0: sign extend
417
// Bits 1-2: 00 doubleword, 01 byte, 10 halfword, 11 singleword
418
// Bit 3: 0 load, 1 store
419
`define OR1200_LSUOP_WIDTH              4
420
`define OR1200_LSUOP_NOP                4'b0000
421
`define OR1200_LSUOP_LBZ                4'b0010
422
`define OR1200_LSUOP_LBS                4'b0011
423
`define OR1200_LSUOP_LHZ                4'b0100
424
`define OR1200_LSUOP_LHS                4'b0101
425
`define OR1200_LSUOP_LWZ                4'b0110
426
`define OR1200_LSUOP_LWS                4'b0111
427
`define OR1200_LSUOP_LD         4'b0001
428
`define OR1200_LSUOP_SD         4'b1000
429
`define OR1200_LSUOP_SB         4'b1010
430
`define OR1200_LSUOP_SH         4'b1100
431
`define OR1200_LSUOP_SW         4'b1110
432
 
433
// FETCHOPs
434
`define OR1200_FETCHOP_WIDTH            1
435
`define OR1200_FETCHOP_NOP              1'b0
436
`define OR1200_FETCHOP_LW               1'b1
437
 
438
//
439
// Register File Write-Back OPs
440
//
441
// Bit 0: register file write enable
442
// Bits 2-1: write-back mux selects
443
`define OR1200_RFWBOP_WIDTH             3
444
`define OR1200_RFWBOP_NOP               3'b000
445
`define OR1200_RFWBOP_ALU               3'b001
446
`define OR1200_RFWBOP_LSU               3'b011
447
`define OR1200_RFWBOP_SPRS              3'b101
448
`define OR1200_RFWBOP_LR                3'b111
449
 
450
// Compare instructions
451
`define OR1200_COP_SFEQ       3'b000
452
`define OR1200_COP_SFNE       3'b001
453
`define OR1200_COP_SFGT       3'b010
454
`define OR1200_COP_SFGE       3'b011
455
`define OR1200_COP_SFLT       3'b100
456
`define OR1200_COP_SFLE       3'b101
457
`define OR1200_COP_X          3'b111
458
`define OR1200_SIGNED_COMPARE 'd3
459
`define OR1200_COMPOP_WIDTH     4
460
 
461
//
462
// TAGs for instruction bus
463
//
464
`define OR1200_ITAG_IDLE        4'h0    // idle bus
465
`define OR1200_ITAG_NI          4'h1    // normal insn
466
`define OR1200_ITAG_BE          4'hb    // Bus error exception
467
`define OR1200_ITAG_PE          4'hc    // Page fault exception
468
`define OR1200_ITAG_TE          4'hd    // TLB miss exception
469
 
470
//
471
// TAGs for data bus
472
//
473
`define OR1200_DTAG_IDLE        4'h0    // idle bus
474
`define OR1200_DTAG_ND          4'h1    // normal data
475
`define OR1200_DTAG_AE          4'ha    // Alignment exception
476
`define OR1200_DTAG_BE          4'hb    // Bus error exception
477
`define OR1200_DTAG_PE          4'hc    // Page fault exception
478
`define OR1200_DTAG_TE          4'hd    // TLB miss exception
479
 
480
 
481
//////////////////////////////////////////////
482
//
483
// ORBIS32 ISA specifics
484
//
485
 
486
// SHROT_OP position in machine word
487
`define OR1200_SHROTOP_POS              7:6
488
 
489
// ALU instructions multicycle field in machine word
490
`define OR1200_ALUMCYC_POS              9:8
491
 
492
//
493
// Instruction opcode groups (basic)
494
//
495
`define OR1200_OR32_J                 6'b000000
496
`define OR1200_OR32_JAL               6'b000001
497
`define OR1200_OR32_BNF               6'b000011
498
`define OR1200_OR32_BF                6'b000100
499
`define OR1200_OR32_NOP               6'b000101
500
`define OR1200_OR32_MOVHI             6'b000110
501
`define OR1200_OR32_XSYNC             6'b001000
502
`define OR1200_OR32_RFE               6'b001001
503
/* */
504
`define OR1200_OR32_JR                6'b010001
505
`define OR1200_OR32_JALR              6'b010010
506
`define OR1200_OR32_MACI              6'b010011
507
/* */
508
`define OR1200_OR32_LWZ               6'b100001
509
`define OR1200_OR32_LBZ               6'b100011
510
`define OR1200_OR32_LBS               6'b100100
511
`define OR1200_OR32_LHZ               6'b100101
512
`define OR1200_OR32_LHS               6'b100110
513
`define OR1200_OR32_ADDI              6'b100111
514
`define OR1200_OR32_ADDIC             6'b101000
515
`define OR1200_OR32_ANDI              6'b101001
516
`define OR1200_OR32_ORI               6'b101010
517
`define OR1200_OR32_XORI              6'b101011
518
`define OR1200_OR32_MULI              6'b101100
519
`define OR1200_OR32_MFSPR             6'b101101
520
`define OR1200_OR32_SH_ROTI           6'b101110
521
`define OR1200_OR32_SFXXI             6'b101111
522
/* */
523
`define OR1200_OR32_MTSPR             6'b110000
524
`define OR1200_OR32_MACMSB            6'b110001
525
/* */
526
`define OR1200_OR32_SW                6'b110101
527
`define OR1200_OR32_SB                6'b110110
528
`define OR1200_OR32_SH                6'b110111
529
`define OR1200_OR32_ALU               6'b111000
530
`define OR1200_OR32_SFXX              6'b111001
531
 
532
 
533
/////////////////////////////////////////////////////
534
//
535
// Exceptions
536
//
537
`define OR1200_EXCEPT_WIDTH 4
538
`define OR1200_EXCEPT_UNUSED            `OR1200_EXCEPT_WIDTH'hf
539
`define OR1200_EXCEPT_TRAP              `OR1200_EXCEPT_WIDTH'he
540
`define OR1200_EXCEPT_BREAK             `OR1200_EXCEPT_WIDTH'hd
541
`define OR1200_EXCEPT_SYSCALL           `OR1200_EXCEPT_WIDTH'hc
542
`define OR1200_EXCEPT_RANGE             `OR1200_EXCEPT_WIDTH'hb
543
`define OR1200_EXCEPT_ITLBMISS          `OR1200_EXCEPT_WIDTH'ha
544
`define OR1200_EXCEPT_DTLBMISS          `OR1200_EXCEPT_WIDTH'h9
545 589 lampret
`define OR1200_EXCEPT_INT               `OR1200_EXCEPT_WIDTH'h8
546 504 lampret
`define OR1200_EXCEPT_ILLEGAL           `OR1200_EXCEPT_WIDTH'h7
547
`define OR1200_EXCEPT_ALIGN             `OR1200_EXCEPT_WIDTH'h6
548 589 lampret
`define OR1200_EXCEPT_TICK              `OR1200_EXCEPT_WIDTH'h5
549 504 lampret
`define OR1200_EXCEPT_IPF               `OR1200_EXCEPT_WIDTH'h4
550
`define OR1200_EXCEPT_DPF               `OR1200_EXCEPT_WIDTH'h3
551
`define OR1200_EXCEPT_BUSERR            `OR1200_EXCEPT_WIDTH'h2
552
`define OR1200_EXCEPT_RESET             `OR1200_EXCEPT_WIDTH'h1
553
`define OR1200_EXCEPT_NONE              `OR1200_EXCEPT_WIDTH'h0
554
 
555
 
556
/////////////////////////////////////////////////////
557
//
558
// SPR groups
559
//
560
 
561
// Bits that define the group
562
`define OR1200_SPR_GROUP_BITS   15:11
563
 
564
// Width of the group bits
565
`define OR1200_SPR_GROUP_WIDTH  5
566
 
567
// Bits that define offset inside the group
568
`define OR1200_SPR_OFS_BITS 10:0
569
 
570
// List of groups
571
`define OR1200_SPR_GROUP_SYS    5'd00
572
`define OR1200_SPR_GROUP_DMMU   5'd01
573
`define OR1200_SPR_GROUP_IMMU   5'd02
574
`define OR1200_SPR_GROUP_DC     5'd03
575
`define OR1200_SPR_GROUP_IC     5'd04
576
`define OR1200_SPR_GROUP_MAC    5'd05
577
`define OR1200_SPR_GROUP_DU     5'd06
578
`define OR1200_SPR_GROUP_PM     5'd08
579
`define OR1200_SPR_GROUP_PIC    5'd09
580
`define OR1200_SPR_GROUP_TT     5'd10
581
 
582
 
583
/////////////////////////////////////////////////////
584
//
585
// System group
586
//
587
 
588
//
589
// System registers
590
//
591
`define OR1200_SPR_CFGR         7'd0
592
`define OR1200_SPR_RF           6'd32   // 1024 >> 5
593
`define OR1200_SPR_NPC          11'd16
594
`define OR1200_SPR_SR           11'd17
595
`define OR1200_SPR_PPC          11'd18
596
`define OR1200_SPR_EPCR         11'd32
597
`define OR1200_SPR_EEAR         11'd48
598
`define OR1200_SPR_ESR          11'd64
599
 
600
//
601
// SR bits
602
//
603 589 lampret
`define OR1200_SR_WIDTH 16
604
`define OR1200_SR_SM   0
605
`define OR1200_SR_TEE  1
606
`define OR1200_SR_IEE  2
607 504 lampret
`define OR1200_SR_DCE  3
608
`define OR1200_SR_ICE  4
609
`define OR1200_SR_DME  5
610
`define OR1200_SR_IME  6
611
`define OR1200_SR_LEE  7
612
`define OR1200_SR_CE   8
613
`define OR1200_SR_F    9
614 589 lampret
`define OR1200_SR_CY   10       // Unused
615
`define OR1200_SR_OV   11       // Unused
616
`define OR1200_SR_OVE  12       // Unused
617
`define OR1200_SR_DSX  13       // Unused
618
`define OR1200_SR_EPH  14
619
`define OR1200_SR_FO   15
620
`define OR1200_SR_CID  31:28    // Unimplemented
621 504 lampret
 
622
// Bits that define offset inside the group
623
`define OR1200_SPROFS_BITS 10:0
624
 
625
//
626
// VR, UPR and Configuration Registers
627
//
628
 
629
// Define if you want configuration registers implemented
630
`define OR1200_CFGR_IMPLEMENTED
631
 
632
// Define if you want full address decode inside SYS group
633
`define OR1200_SYS_FULL_DECODE
634
 
635
// Offsets of VR, UPR and CFGR registers
636
`define OR1200_SPRGRP_SYS_VR            4'h0
637
`define OR1200_SPRGRP_SYS_UPR           4'h1
638
`define OR1200_SPRGRP_SYS_CPUCFGR       4'h2
639
`define OR1200_SPRGRP_SYS_DMMUCFGR      4'h3
640
`define OR1200_SPRGRP_SYS_IMMUCFGR      4'h4
641
`define OR1200_SPRGRP_SYS_DCCFGR        4'h5
642
`define OR1200_SPRGRP_SYS_ICCFGR        4'h6
643
`define OR1200_SPRGRP_SYS_DCFGR 4'h7
644
 
645
// VR fields
646
`define OR1200_VR_REV_BITS              5:0
647
`define OR1200_VR_RES1_BITS             15:6
648
`define OR1200_VR_CFG_BITS              23:16
649
`define OR1200_VR_VER_BITS              31:24
650
 
651
// VR values
652
`define OR1200_VR_REV                   6'h00
653
`define OR1200_VR_RES1                  10'h000
654
`define OR1200_VR_CFG                   8'h00
655
`define OR1200_VR_VER                   8'h12
656
 
657
// UPR fields
658
`define OR1200_UPR_UP_BITS              0
659
`define OR1200_UPR_DCP_BITS             1
660
`define OR1200_UPR_ICP_BITS             2
661
`define OR1200_UPR_DMP_BITS             3
662
`define OR1200_UPR_IMP_BITS             4
663
`define OR1200_UPR_MP_BITS              5
664
`define OR1200_UPR_DUP_BITS             6
665
`define OR1200_UPR_PCUP_BITS            7
666
`define OR1200_UPR_PMP_BITS             8
667
`define OR1200_UPR_PICP_BITS            9
668
`define OR1200_UPR_TTP_BITS             10
669
`define OR1200_UPR_RES1_BITS            23:11
670
`define OR1200_UPR_CUP_BITS             31:24
671
 
672
// UPR values
673
`define OR1200_UPR_UP                   1'b1
674
`define OR1200_UPR_DCP                  1'b1
675
`define OR1200_UPR_ICP                  1'b1
676
`define OR1200_UPR_DMP                  1'b1
677
`define OR1200_UPR_IMP                  1'b1
678
`define OR1200_UPR_MP                   1'b1
679
`define OR1200_UPR_DUP                  1'b1
680
`define OR1200_UPR_PCUP         1'b0
681
`define OR1200_UPR_PMP                  1'b1
682
`define OR1200_UPR_PICP         1'b1
683
`define OR1200_UPR_TTP                  1'b1
684
`define OR1200_UPR_RES1         13'h0000
685
`define OR1200_UPR_CUP                  8'h00
686
 
687
// CPUCFGR fields
688
`define OR1200_CPUCFGR_NSGF_BITS        3:0
689
`define OR1200_CPUCFGR_HGF_BITS 4
690
`define OR1200_CPUCFGR_OB32S_BITS       5
691
`define OR1200_CPUCFGR_OB64S_BITS       6
692
`define OR1200_CPUCFGR_OF32S_BITS       7
693
`define OR1200_CPUCFGR_OF64S_BITS       8
694
`define OR1200_CPUCFGR_OV64S_BITS       9
695
`define OR1200_CPUCFGR_RES1_BITS        31:10
696
 
697
// CPUCFGR values
698
`define OR1200_CPUCFGR_NSGF             4'h0
699
`define OR1200_CPUCFGR_HGF              1'b0
700
`define OR1200_CPUCFGR_OB32S            1'b1
701
`define OR1200_CPUCFGR_OB64S            1'b0
702
`define OR1200_CPUCFGR_OF32S            1'b0
703
`define OR1200_CPUCFGR_OF64S            1'b0
704
`define OR1200_CPUCFGR_OV64S            1'b0
705
`define OR1200_CPUCFGR_RES1             22'h000000
706
 
707
// DMMUCFGR fields
708
`define OR1200_DMMUCFGR_NTW_BITS        1:0
709
`define OR1200_DMMUCFGR_NTS_BITS        4:2
710
`define OR1200_DMMUCFGR_NAE_BITS        7:5
711
`define OR1200_DMMUCFGR_CRI_BITS        8
712
`define OR1200_DMMUCFGR_PRI_BITS        9
713
`define OR1200_DMMUCFGR_TEIRI_BITS      10
714
`define OR1200_DMMUCFGR_HTR_BITS        11
715
`define OR1200_DMMUCFGR_RES1_BITS       31:12
716
 
717
// DMMUCFGR values
718
`define OR1200_DMMUCFGR_NTW             2'h0
719
`define OR1200_DMMUCFGR_NTS             3'h5
720
`define OR1200_DMMUCFGR_NAE             3'h0
721
`define OR1200_DMMUCFGR_CRI             1'b0
722
`define OR1200_DMMUCFGR_PRI             1'b0
723
`define OR1200_DMMUCFGR_TEIRI           1'b1
724
`define OR1200_DMMUCFGR_HTR             1'b0
725
`define OR1200_DMMUCFGR_RES1            20'h00000
726
 
727
// IMMUCFGR fields
728
`define OR1200_IMMUCFGR_NTW_BITS        1:0
729
`define OR1200_IMMUCFGR_NTS_BITS        4:2
730
`define OR1200_IMMUCFGR_NAE_BITS        7:5
731
`define OR1200_IMMUCFGR_CRI_BITS        8
732
`define OR1200_IMMUCFGR_PRI_BITS        9
733
`define OR1200_IMMUCFGR_TEIRI_BITS      10
734
`define OR1200_IMMUCFGR_HTR_BITS        11
735
`define OR1200_IMMUCFGR_RES1_BITS       31:12
736
 
737
// IMMUCFGR values
738
`define OR1200_IMMUCFGR_NTW             2'h0
739
`define OR1200_IMMUCFGR_NTS             3'h5
740
`define OR1200_IMMUCFGR_NAE             3'h0
741
`define OR1200_IMMUCFGR_CRI             1'b0
742
`define OR1200_IMMUCFGR_PRI             1'b0
743
`define OR1200_IMMUCFGR_TEIRI           1'b1
744
`define OR1200_IMMUCFGR_HTR             1'b0
745
`define OR1200_IMMUCFGR_RES1            20'h00000
746
 
747
// DCCFGR fields
748
`define OR1200_DCCFGR_NCW_BITS          2:0
749
`define OR1200_DCCFGR_NCS_BITS          6:3
750
`define OR1200_DCCFGR_CBS_BITS          7
751
`define OR1200_DCCFGR_CWS_BITS          8
752
`define OR1200_DCCFGR_CCRI_BITS 9
753
`define OR1200_DCCFGR_CBIRI_BITS        10
754
`define OR1200_DCCFGR_CBPRI_BITS        11
755
`define OR1200_DCCFGR_CBLRI_BITS        12
756
`define OR1200_DCCFGR_CBFRI_BITS        13
757
`define OR1200_DCCFGR_CBWBRI_BITS       14
758
`define OR1200_DCCFGR_RES1_BITS 31:15
759
 
760
// DCCFGR values
761
`define OR1200_DCCFGR_NCW               3'h0
762
`define OR1200_DCCFGR_NCS               4'h5
763
`define OR1200_DCCFGR_CBS               1'b0
764
`define OR1200_DCCFGR_CWS               1'b0
765
`define OR1200_DCCFGR_CCRI              1'b1
766
`define OR1200_DCCFGR_CBIRI             1'b1
767
`define OR1200_DCCFGR_CBPRI             1'b0
768
`define OR1200_DCCFGR_CBLRI             1'b0
769
`define OR1200_DCCFGR_CBFRI             1'b0
770
`define OR1200_DCCFGR_CBWBRI            1'b1
771
`define OR1200_DCCFGR_RES1              17'h00000
772
 
773
// ICCFGR fields
774
`define OR1200_ICCFGR_NCW_BITS          2:0
775
`define OR1200_ICCFGR_NCS_BITS          6:3
776
`define OR1200_ICCFGR_CBS_BITS          7
777
`define OR1200_ICCFGR_CWS_BITS          8
778
`define OR1200_ICCFGR_CCRI_BITS 9
779
`define OR1200_ICCFGR_CBIRI_BITS        10
780
`define OR1200_ICCFGR_CBPRI_BITS        11
781
`define OR1200_ICCFGR_CBLRI_BITS        12
782
`define OR1200_ICCFGR_CBFRI_BITS        13
783
`define OR1200_ICCFGR_CBWBRI_BITS       14
784
`define OR1200_ICCFGR_RES1_BITS 31:15
785
 
786
// ICCFGR values
787
`define OR1200_ICCFGR_NCW               3'h0
788
`define OR1200_ICCFGR_NCS               4'h5
789
`define OR1200_ICCFGR_CBS               1'b0
790
`define OR1200_ICCFGR_CWS               1'b0
791
`define OR1200_ICCFGR_CCRI              1'b1
792
`define OR1200_ICCFGR_CBIRI             1'b1
793
`define OR1200_ICCFGR_CBPRI             1'b0
794
`define OR1200_ICCFGR_CBLRI             1'b0
795
`define OR1200_ICCFGR_CBFRI             1'b0
796
`define OR1200_ICCFGR_CBWBRI            1'b1
797
`define OR1200_ICCFGR_RES1              17'h00000
798
 
799
// DCFGR fields
800
`define OR1200_DCFGR_NDP_BITS           2:0
801
`define OR1200_DCFGR_WPCI_BITS          3
802
`define OR1200_DCFGR_RES1_BITS          31:4
803
 
804
// DCFGR values
805
`define OR1200_DCFGR_NDP                3'h0
806
`define OR1200_DCFGR_WPCI               1'b0
807
`define OR1200_DCFGR_RES1               28'h0000000
808
 
809
 
810
/////////////////////////////////////////////////////
811
//
812
// Power Management (PM)
813
//
814
 
815
// Define it if you want PM implemented
816
`define OR1200_PM_IMPLEMENTED
817
 
818
// Bit positions inside PMR (don't change)
819
`define OR1200_PM_PMR_SDF 3:0
820
`define OR1200_PM_PMR_DME 4
821
`define OR1200_PM_PMR_SME 5
822
`define OR1200_PM_PMR_DCGE 6
823
`define OR1200_PM_PMR_UNUSED 31:7
824
 
825
// PMR offset inside PM group of registers
826
`define OR1200_PM_OFS_PMR 11'b0
827
 
828
// PM group
829
`define OR1200_SPRGRP_PM 5'd8
830
 
831
// Define if PMR can be read/written at any address inside PM group
832
`define OR1200_PM_PARTIAL_DECODING
833
 
834
// Define if reading PMR is allowed
835
`define OR1200_PM_READREGS
836
 
837
// Define if unused PMR bits should be zero
838
`define OR1200_PM_UNUSED_ZERO
839
 
840
 
841
/////////////////////////////////////////////////////
842
//
843
// Debug Unit (DU)
844
//
845
 
846
// Define it if you want DU implemented
847
`define OR1200_DU_IMPLEMENTED
848
 
849
// Address offsets of DU registers inside DU group
850
`define OR1200_DU_OFS_DMR1 5'd16
851
`define OR1200_DU_OFS_DMR2 5'd17
852
`define OR1200_DU_OFS_DSR 5'd20
853
`define OR1200_DU_OFS_DRR 5'd21
854
 
855
// Position of offset bits inside SPR address
856
`define OR1200_DUOFS_BITS 4:0
857
 
858
// Define if you want these DU registers to be implemented
859
`define OR1200_DU_DMR1
860
`define OR1200_DU_DMR2
861
`define OR1200_DU_DSR
862
`define OR1200_DU_DRR
863
 
864
// DMR1 bits
865
`define OR1200_DU_DMR1_ST 22
866
 
867
// DSR bits
868
`define OR1200_DU_DSR_WIDTH     14
869
`define OR1200_DU_DSR_RSTE      0
870
`define OR1200_DU_DSR_BUSEE     1
871
`define OR1200_DU_DSR_DPFE      2
872
`define OR1200_DU_DSR_IPFE      3
873 589 lampret
`define OR1200_DU_DSR_TTE       4
874 504 lampret
`define OR1200_DU_DSR_AE        5
875
`define OR1200_DU_DSR_IIE       6
876 589 lampret
`define OR1200_DU_DSR_IE        7
877 504 lampret
`define OR1200_DU_DSR_DME       8
878
`define OR1200_DU_DSR_IME       9
879
`define OR1200_DU_DSR_RE        10
880
`define OR1200_DU_DSR_SCE       11
881
`define OR1200_DU_DSR_BE        12
882
`define OR1200_DU_DSR_TE        13
883
 
884
// DRR bits
885
`define OR1200_DU_DRR_RSTE      0
886
`define OR1200_DU_DRR_BUSEE     1
887
`define OR1200_DU_DRR_DPFE      2
888
`define OR1200_DU_DRR_IPFE      3
889 589 lampret
`define OR1200_DU_DRR_TTE       4
890 504 lampret
`define OR1200_DU_DRR_AE        5
891
`define OR1200_DU_DRR_IIE       6
892 589 lampret
`define OR1200_DU_DRR_IE        7
893 504 lampret
`define OR1200_DU_DRR_DME       8
894
`define OR1200_DU_DRR_IME       9
895
`define OR1200_DU_DRR_RE        10
896
`define OR1200_DU_DRR_SCE       11
897
`define OR1200_DU_DRR_BE        12
898
`define OR1200_DU_DRR_TE        13
899
 
900
// Define if reading DU regs is allowed
901
`define OR1200_DU_READREGS
902
 
903
// Define if unused DU registers bits should be zero
904
`define OR1200_DU_UNUSED_ZERO
905
 
906
// DU operation commands
907
`define OR1200_DU_OP_READSPR    3'd4
908
`define OR1200_DU_OP_WRITESPR   3'd5
909
 
910 737 lampret
// Define if IF/LSU status is not needed by devel i/f
911
`define OR1200_DU_STATUS_UNIMPLEMENTED
912 504 lampret
 
913
/////////////////////////////////////////////////////
914
//
915
// Programmable Interrupt Controller (PIC)
916
//
917
 
918
// Define it if you want PIC implemented
919
`define OR1200_PIC_IMPLEMENTED
920
 
921
// Define number of interrupt inputs (2-31)
922
`define OR1200_PIC_INTS 20
923
 
924
// Address offsets of PIC registers inside PIC group
925
`define OR1200_PIC_OFS_PICMR 2'd0
926
`define OR1200_PIC_OFS_PICSR 2'd2
927
 
928
// Position of offset bits inside SPR address
929
`define OR1200_PICOFS_BITS 1:0
930
 
931
// Define if you want these PIC registers to be implemented
932
`define OR1200_PIC_PICMR
933
`define OR1200_PIC_PICSR
934
 
935
// Define if reading PIC registers is allowed
936
`define OR1200_PIC_READREGS
937
 
938
// Define if unused PIC register bits should be zero
939
`define OR1200_PIC_UNUSED_ZERO
940
 
941
 
942
/////////////////////////////////////////////////////
943
//
944
// Tick Timer (TT)
945
//
946
 
947
// Define it if you want TT implemented
948
`define OR1200_TT_IMPLEMENTED
949
 
950
// Address offsets of TT registers inside TT group
951
`define OR1200_TT_OFS_TTMR 1'd0
952
`define OR1200_TT_OFS_TTCR 1'd1
953
 
954
// Position of offset bits inside SPR group
955
`define OR1200_TTOFS_BITS 0
956
 
957
// Define if you want these TT registers to be implemented
958
`define OR1200_TT_TTMR
959
`define OR1200_TT_TTCR
960
 
961
// TTMR bits
962
`define OR1200_TT_TTMR_TP 27:0
963
`define OR1200_TT_TTMR_IP 28
964
`define OR1200_TT_TTMR_IE 29
965
`define OR1200_TT_TTMR_M 31:30
966
 
967
// Define if reading TT registers is allowed
968
`define OR1200_TT_READREGS
969
 
970
 
971
//////////////////////////////////////////////
972
//
973
// MAC
974
//
975
`define OR1200_MAC_ADDR         0        // MACLO 0xxxxxxxx1, MACHI 0xxxxxxxx0
976
`define OR1200_MAC_SPR_WE               // Define if MACLO/MACHI are SPR writable
977
 
978
 
979
//////////////////////////////////////////////
980
//
981
// Data MMU (DMMU)
982
//
983
 
984
//
985
// Address that selects between TLB TR and MR
986
//
987 660 lampret
`define OR1200_DTLB_TM_ADDR     7
988 504 lampret
 
989
//
990
// DTLBMR fields
991
//
992
`define OR1200_DTLBMR_V_BITS    0
993
`define OR1200_DTLBMR_CID_BITS  4:1
994
`define OR1200_DTLBMR_RES_BITS  11:5
995
`define OR1200_DTLBMR_VPN_BITS  31:13
996
 
997
//
998
// DTLBTR fields
999
//
1000
`define OR1200_DTLBTR_CC_BITS   0
1001
`define OR1200_DTLBTR_CI_BITS   1
1002
`define OR1200_DTLBTR_WBC_BITS  2
1003
`define OR1200_DTLBTR_WOM_BITS  3
1004
`define OR1200_DTLBTR_A_BITS    4
1005
`define OR1200_DTLBTR_D_BITS    5
1006
`define OR1200_DTLBTR_URE_BITS  6
1007
`define OR1200_DTLBTR_UWE_BITS  7
1008
`define OR1200_DTLBTR_SRE_BITS  8
1009
`define OR1200_DTLBTR_SWE_BITS  9
1010
`define OR1200_DTLBTR_RES_BITS  11:10
1011
`define OR1200_DTLBTR_PPN_BITS  31:13
1012
 
1013
//
1014
// DTLB configuration
1015
//
1016
`define OR1200_DMMU_PS          13                                      // 13 for 8KB page size
1017
`define OR1200_DTLB_INDXW       6                                       // 6 for 64 entry DTLB  7 for 128 entries
1018
`define OR1200_DTLB_INDXL       `OR1200_DMMU_PS                         // 13                   13
1019
`define OR1200_DTLB_INDXH       `OR1200_DMMU_PS+`OR1200_DTLB_INDXW-1    // 18                   19
1020
`define OR1200_DTLB_INDX        `OR1200_DTLB_INDXH:`OR1200_DTLB_INDXL   // 18:13                19:13
1021
`define OR1200_DTLB_TAGW        32-`OR1200_DTLB_INDXW-`OR1200_DMMU_PS   // 13                   12
1022
`define OR1200_DTLB_TAGL        `OR1200_DTLB_INDXH+1                    // 19                   20
1023
`define OR1200_DTLB_TAG         31:`OR1200_DTLB_TAGL                    // 31:19                31:20
1024
`define OR1200_DTLBMRW          `OR1200_DTLB_TAGW+1                     // +1 because of V bit
1025
`define OR1200_DTLBTRW          32-`OR1200_DMMU_PS+5                    // +5 because of protection bits and CI
1026
 
1027 660 lampret
//
1028
// Cache inhibit while DMMU is not enabled/implemented
1029
//
1030
// cache inhibited 0GB-4GB              1'b1
1031 735 lampret
// cache inhibited 0GB-2GB              !dcpu_adr_i[31]
1032
// cache inhibited 0GB-1GB 2GB-3GB      !dcpu_adr_i[30]
1033
// cache inhibited 1GB-2GB 3GB-4GB      dcpu_adr_i[30]
1034
// cache inhibited 2GB-4GB (default)    dcpu_adr_i[31]
1035 660 lampret
// cached 0GB-4GB                       1'b0
1036
//
1037
`define OR1200_DMMU_CI                  dcpu_adr_i[31]
1038 504 lampret
 
1039 660 lampret
 
1040 504 lampret
//////////////////////////////////////////////
1041
//
1042
// Insn MMU (IMMU)
1043
//
1044
 
1045
//
1046
// Address that selects between TLB TR and MR
1047
//
1048 660 lampret
`define OR1200_ITLB_TM_ADDR     7
1049 504 lampret
 
1050
//
1051
// ITLBMR fields
1052
//
1053
`define OR1200_ITLBMR_V_BITS    0
1054
`define OR1200_ITLBMR_CID_BITS  4:1
1055
`define OR1200_ITLBMR_RES_BITS  11:5
1056
`define OR1200_ITLBMR_VPN_BITS  31:13
1057
 
1058
//
1059
// ITLBTR fields
1060
//
1061
`define OR1200_ITLBTR_CC_BITS   0
1062
`define OR1200_ITLBTR_CI_BITS   1
1063
`define OR1200_ITLBTR_WBC_BITS  2
1064
`define OR1200_ITLBTR_WOM_BITS  3
1065
`define OR1200_ITLBTR_A_BITS    4
1066
`define OR1200_ITLBTR_D_BITS    5
1067
`define OR1200_ITLBTR_SXE_BITS  6
1068
`define OR1200_ITLBTR_UXE_BITS  7
1069
`define OR1200_ITLBTR_RES_BITS  11:8
1070
`define OR1200_ITLBTR_PPN_BITS  31:13
1071
 
1072
//
1073
// ITLB configuration
1074
//
1075
`define OR1200_IMMU_PS          13                                      // 13 for 8KB page size
1076
`define OR1200_ITLB_INDXW       6                                       // 6 for 64 entry ITLB  7 for 128 entries
1077
`define OR1200_ITLB_INDXL       `OR1200_IMMU_PS                         // 13                   13
1078
`define OR1200_ITLB_INDXH       `OR1200_IMMU_PS+`OR1200_ITLB_INDXW-1    // 18                   19
1079
`define OR1200_ITLB_INDX        `OR1200_ITLB_INDXH:`OR1200_ITLB_INDXL   // 18:13                19:13
1080
`define OR1200_ITLB_TAGW        32-`OR1200_ITLB_INDXW-`OR1200_IMMU_PS   // 13                   12
1081
`define OR1200_ITLB_TAGL        `OR1200_ITLB_INDXH+1                    // 19                   20
1082
`define OR1200_ITLB_TAG         31:`OR1200_ITLB_TAGL                    // 31:19                31:20
1083
`define OR1200_ITLBMRW          `OR1200_ITLB_TAGW+1                     // +1 because of V bit
1084
`define OR1200_ITLBTRW          32-`OR1200_IMMU_PS+3                    // +3 because of protection bits and CI
1085
 
1086 660 lampret
//
1087
// Cache inhibit while IMMU is not enabled/implemented
1088 735 lampret
// Note: all combinations that use icpu_adr_i cause async loop
1089 660 lampret
//
1090
// cache inhibited 0GB-4GB              1'b1
1091 735 lampret
// cache inhibited 0GB-2GB              !icpu_adr_i[31]
1092
// cache inhibited 0GB-1GB 2GB-3GB      !icpu_adr_i[30]
1093
// cache inhibited 1GB-2GB 3GB-4GB      icpu_adr_i[30]
1094
// cache inhibited 2GB-4GB (default)    icpu_adr_i[31]
1095 660 lampret
// cached 0GB-4GB                       1'b0
1096
//
1097 735 lampret
`define OR1200_IMMU_CI                  1'b0
1098 504 lampret
 
1099 660 lampret
 
1100 504 lampret
/////////////////////////////////////////////////
1101
//
1102
// Insn cache (IC)
1103
//
1104
 
1105
// 3 for 8 bytes, 4 for 16 bytes etc
1106
`define OR1200_ICLS             4
1107
 
1108
//
1109
// IC configurations
1110
//
1111
`ifdef OR1200_IC_1W_4KB
1112
`define OR1200_ICSIZE                   12                      // 4096
1113
`define OR1200_ICINDX                   `OR1200_ICSIZE-2        // 10
1114
`define OR1200_ICINDXH                  `OR1200_ICSIZE-1        // 11
1115
`define OR1200_ICTAGL                   `OR1200_ICINDXH+1       // 12
1116
`define OR1200_ICTAG                    `OR1200_ICSIZE-`OR1200_ICLS     // 8
1117
`define OR1200_ICTAG_W                  21
1118
`endif
1119
`ifdef OR1200_IC_1W_8KB
1120
`define OR1200_ICSIZE                   13                      // 8192
1121
`define OR1200_ICINDX                   `OR1200_ICSIZE-2        // 11
1122
`define OR1200_ICINDXH                  `OR1200_ICSIZE-1        // 12
1123
`define OR1200_ICTAGL                   `OR1200_ICINDXH+1       // 13
1124
`define OR1200_ICTAG                    `OR1200_ICSIZE-`OR1200_ICLS     // 9
1125
`define OR1200_ICTAG_W                  20
1126
`endif
1127
 
1128
 
1129
/////////////////////////////////////////////////
1130
//
1131
// Data cache (DC)
1132
//
1133
 
1134
// 3 for 8 bytes, 4 for 16 bytes etc
1135
`define OR1200_DCLS             4
1136
 
1137 636 lampret
// Define to perform store refill (potential performance penalty)
1138
// `define OR1200_DC_STORE_REFILL
1139
 
1140 504 lampret
//
1141
// DC configurations
1142
//
1143
`ifdef OR1200_DC_1W_4KB
1144
`define OR1200_DCSIZE                   12                      // 4096
1145
`define OR1200_DCINDX                   `OR1200_DCSIZE-2        // 10
1146
`define OR1200_DCINDXH                  `OR1200_DCSIZE-1        // 11
1147
`define OR1200_DCTAGL                   `OR1200_DCINDXH+1       // 12
1148
`define OR1200_DCTAG                    `OR1200_DCSIZE-`OR1200_DCLS     // 8
1149
`define OR1200_DCTAG_W                  21
1150
`endif
1151
`ifdef OR1200_DC_1W_8KB
1152
`define OR1200_DCSIZE                   13                      // 8192
1153
`define OR1200_DCINDX                   `OR1200_DCSIZE-2        // 11
1154
`define OR1200_DCINDXH                  `OR1200_DCSIZE-1        // 12
1155
`define OR1200_DCTAGL                   `OR1200_DCINDXH+1       // 13
1156
`define OR1200_DCTAG                    `OR1200_DCSIZE-`OR1200_DCLS     // 9
1157
`define OR1200_DCTAG_W                  20
1158
`endif

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