OpenCores
URL https://opencores.org/ocsvn/dbg_interface/dbg_interface/trunk

Subversion Repositories dbg_interface

[/] [dbg_interface/] [tags/] [rel_12/] [rtl/] [verilog/] [dbg_defines.v] - Blame information for rev 65

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 mohor
//////////////////////////////////////////////////////////////////////
2
////                                                              ////
3
////  dbg_defines.v                                               ////
4
////                                                              ////
5
////                                                              ////
6
////  This file is part of the SoC/OpenRISC Development Interface ////
7
////  http://www.opencores.org/cores/DebugInterface/              ////
8
////                                                              ////
9
////                                                              ////
10
////  Author(s):                                                  ////
11
////       Igor Mohor                                             ////
12
////       igorm@opencores.org                                    ////
13
////                                                              ////
14
////                                                              ////
15
////  All additional information is avaliable in the README.txt   ////
16
////  file.                                                       ////
17
////                                                              ////
18
//////////////////////////////////////////////////////////////////////
19
////                                                              ////
20
//// Copyright (C) 2000,2001 Authors                              ////
21
////                                                              ////
22
//// This source file may be used and distributed without         ////
23
//// restriction provided that this copyright statement is not    ////
24
//// removed from the file and that any derivative work contains  ////
25
//// the original copyright notice and the associated disclaimer. ////
26
////                                                              ////
27
//// This source file is free software; you can redistribute it   ////
28
//// and/or modify it under the terms of the GNU Lesser General   ////
29
//// Public License as published by the Free Software Foundation; ////
30
//// either version 2.1 of the License, or (at your option) any   ////
31
//// later version.                                               ////
32
////                                                              ////
33
//// This source is distributed in the hope that it will be       ////
34
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
35
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
36
//// PURPOSE.  See the GNU Lesser General Public License for more ////
37
//// details.                                                     ////
38
////                                                              ////
39
//// You should have received a copy of the GNU Lesser General    ////
40
//// Public License along with this source; if not, download it   ////
41
//// from http://www.opencores.org/lgpl.shtml                     ////
42
////                                                              ////
43
//////////////////////////////////////////////////////////////////////
44
//
45
// CVS Revision History
46
//
47
// $Log: not supported by cvs2svn $
48 65 simons
// Revision 1.11  2003/08/28 13:55:21  simons
49
// Three more chains added for cpu debug access.
50
//
51 63 simons
// Revision 1.10  2003/07/31 12:19:49  simons
52
// Multiple cpu support added.
53
//
54 57 simons
// Revision 1.9  2002/05/07 14:43:59  mohor
55
// mon_cntl_o signals that controls monitor mux added.
56
//
57 47 mohor
// Revision 1.8  2002/01/25 07:58:34  mohor
58
// IDCODE bug fixed, chains reused to decreas size of core. Data is shifted-in
59
// not filled-in. Tested in hw.
60
//
61 30 mohor
// Revision 1.7  2001/12/06 10:08:06  mohor
62
// Warnings from synthesys tools fixed.
63
//
64 27 mohor
// Revision 1.6  2001/11/28 09:38:30  mohor
65
// Trace disabled by default.
66
//
67 23 mohor
// Revision 1.5  2001/10/15 09:55:47  mohor
68
// Wishbone interface added, few fixes for better performance,
69
// hooks for boundary scan testing added.
70
//
71 12 mohor
// Revision 1.4  2001/09/24 14:06:42  mohor
72
// Changes connected to the OpenRISC access (SPR read, SPR write).
73
//
74 11 mohor
// Revision 1.3  2001/09/20 10:11:25  mohor
75
// Working version. Few bugs fixed, comments added.
76
//
77 9 mohor
// Revision 1.2  2001/09/18 14:13:47  mohor
78
// Trace fixed. Some registers changed, trace simplified.
79
//
80 5 mohor
// Revision 1.1.1.1  2001/09/13 13:49:19  mohor
81
// Initial official release.
82
//
83 2 mohor
// Revision 1.3  2001/06/01 22:22:35  mohor
84
// This is a backup. It is not a fully working version. Not for use, yet.
85
//
86
// Revision 1.2  2001/05/18 13:10:00  mohor
87
// Headers changed. All additional information is now avaliable in the README.txt file.
88
//
89
// Revision 1.1.1.1  2001/05/18 06:35:08  mohor
90
// Initial release
91
//
92
//
93
 
94
 
95
 
96
// Enable TRACE
97 23 mohor
//`define TRACE_ENABLED  // Uncomment this define to activate the trace
98 2 mohor
 
99 57 simons
// Define number of cpus supported by the dbg interface
100
`define RISC_NUM 8
101 2 mohor
 
102
// Define IDCODE Value
103
`define IDCODE_VALUE  32'hdeadbeef
104
 
105
// Define master clock (RISC clock)
106 5 mohor
//`define       RISC_CLOCK  50   // Half period = 50 ns => MCLK = 10 Mhz
107
`define RISC_CLOCK  2.5   // Half period = 5 ns => MCLK = 200 Mhz
108 2 mohor
 
109
// Length of the Instruction register
110
`define IR_LENGTH       4
111
 
112 30 mohor
// Length of the Data register (must be equal to the longest scan chain for shifting the data in)
113 27 mohor
`define DR_LENGTH       74
114 2 mohor
 
115
// Length of the CHAIN ID register
116
`define CHAIN_ID_LENGTH 4
117
 
118
// Length of the CRC
119
`define CRC_LENGTH      8
120
 
121 9 mohor
// Trace buffer size and counter and write/read pointer width. This can be expanded when more RAM is avaliable
122
`define TRACECOUNTERWIDTH        5
123
`define TRACEBUFFERLENGTH        32 // 2^5
124
 
125 2 mohor
`define TRACESAMPLEWIDTH         36
126
 
127
// OpSelect width
128
`define OPSELECTWIDTH            3
129
`define OPSELECTIONCOUNTER       8    //2^3
130
 
131 11 mohor
// OpSelect (dbg_op_i) signal meaning
132 63 simons
//`define DEBUG_READ_PC            0
133
//`define DEBUG_READ_LSEA          1
134
//`define DEBUG_READ_LDATA         2
135
//`define DEBUG_READ_SDATA         3
136
//`define DEBUG_READ_SPR           4
137
//`define DEBUG_WRITE_SPR          5
138
//`define DEBUG_READ_INSTR         6
139 11 mohor
//`define Reserved                 7
140
 
141 63 simons
`define DEBUG_READ_0               0
142
`define DEBUG_WRITE_0              1
143
`define DEBUG_READ_1               2
144
`define DEBUG_WRITE_1              3
145
`define DEBUG_READ_2               4
146
`define DEBUG_WRITE_2              5
147
`define DEBUG_READ_3               6
148
`define DEBUG_WRITE_3              7
149
 
150 2 mohor
// Supported Instructions
151 30 mohor
`define EXTEST          4'b0000
152
`define SAMPLE_PRELOAD  4'b0001
153
`define IDCODE          4'b0010
154
`define CHAIN_SELECT    4'b0011
155
`define INTEST          4'b0100
156
`define CLAMP           4'b0101
157
`define CLAMPZ          4'b0110
158
`define HIGHZ           4'b0111
159
`define DEBUG           4'b1000
160
`define BYPASS          4'b1111
161 2 mohor
 
162
// Chains
163
`define GLOBAL_BS_CHAIN     4'b0000
164 63 simons
`define RISC_DEBUG_CHAIN_2  4'b0001
165 2 mohor
`define RISC_TEST_CHAIN     4'b0010
166
`define TRACE_TEST_CHAIN    4'b0011
167
`define REGISTER_SCAN_CHAIN 4'b0100
168 12 mohor
`define WISHBONE_SCAN_CHAIN 4'b0101
169 63 simons
`define RISC_DEBUG_CHAIN_0  4'b0110
170
`define RISC_DEBUG_CHAIN_1  4'b0111
171
`define RISC_DEBUG_CHAIN_3  4'b1000
172 2 mohor
 
173
// Registers addresses
174
`define MODER_ADR           5'h00
175
`define TSEL_ADR            5'h01
176
`define QSEL_ADR            5'h02
177
`define SSEL_ADR            5'h03
178 5 mohor
`define RISCOP_ADR          5'h04
179 57 simons
`define RISCSEL_ADR         5'h05
180 5 mohor
`define RECSEL_ADR          5'h10
181 47 mohor
`define MON_CNTL_ADR        5'h11
182 65 simons
`define WB_CNTL_ADR         5'h12
183 2 mohor
 
184
 
185
// Registers default values (after reset)
186 5 mohor
`define MODER_DEF           2'h0
187 2 mohor
`define TSEL_DEF            32'h00000000
188
`define QSEL_DEF            32'h00000000
189
`define SSEL_DEF            32'h00000000
190 5 mohor
`define RISCOP_DEF          2'h0
191 9 mohor
`define RECSEL_DEF          7'h0
192 47 mohor
`define MON_CNTL_DEF        4'h0

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.