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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: XactorBasePacket.vr | |
4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | // | |
7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | // | |
9 | // This program is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; version 2 of the License. | |
12 | // | |
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | // | |
22 | // For the avoidance of doubt, and except that if any non-GPL license | |
23 | // choice is available it will apply instead, Sun elects to use only | |
24 | // the General Public License version 2 (GPLv2) at this time for any | |
25 | // software where a choice of GPL license versions is made | |
26 | // available with the language indicating that GPLv2 or any later version | |
27 | // may be used, or where a choice of which version of the GPL is applied is | |
28 | // otherwise unspecified. | |
29 | // | |
30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | // have any questions. | |
33 | // | |
34 | // ========== Copyright Header End ============================================ | |
35 | #include <vera_defines.vrh> | |
36 | #include "XactorDefines.vri" | |
37 | #include "CTTransactionID.vrh" | |
38 | #include "cReport.vrh" | |
39 | ||
40 | virtual class XactorBasePacket { | |
41 | ||
42 | // CTTransactionID handle | |
43 | CTTransactionID XactionID; | |
44 | // Report handle | |
45 | ReportClass MyReport; | |
46 | // Drive event | |
47 | event DriveEvent; | |
48 | ||
49 | // The extended class declares all the fields that the packet | |
50 | // encapsulates and initializes them through the new task. | |
51 | ||
52 | task new() {} | |
53 | ||
54 | // Through this task a transactionID object is passed to the packet | |
55 | virtual task SetID(CTTransactionID XactionID); | |
56 | ||
57 | // Returns a CTTransactionID | |
58 | virtual function CTTransactionID GetID(); | |
59 | ||
60 | // FieldType is a string that indicates which field to set. FieldValue is the actual | |
61 | // value that the packet field will be set to. | |
62 | virtual task Set(string FieldType, | |
63 | bit [XACT_FIELD_WIDTH-1:0] FieldValue); | |
64 | ||
65 | // FieldType is a string that indicates which field to get. FieldValue is the returned | |
66 | // value of the field indicated by FieldType. | |
67 | virtual function bit [XACT_FIELD_WIDTH-1:0] Get(string FieldType); | |
68 | ||
69 | // This function will return a packet ready to be schedule for driving. | |
70 | virtual function XactorBasePacket FormDriven(); | |
71 | ||
72 | // This task will display the contents of the packet. TypeRep is the report type used | |
73 | // when printing the Packet. | |
74 | virtual task PktDisplay(ReportType TypeRep, | |
75 | string Message | |
76 | ); | |
77 | ||
78 | // This task will compare this packet with the packet (Pkt) passed as an argument. | |
79 | // The comparison operation is specified in the string Operation. | |
80 | virtual function bit PktCompare(string Operation, | |
81 | XactorBasePacket Pkt); | |
82 | ||
83 | // This function will return an index to a hash table of size HashSize. The value to be | |
84 | // hashed will be formed by the Packet itself. | |
85 | virtual function integer PktHash(integer HashSize); | |
86 | ||
87 | // This function will return 1 if the data of this packet that is expected has | |
88 | // X's or Z's values. And will return 0 otherwise. | |
89 | virtual function bit PktUndef(); | |
90 | ||
91 | // This task will take Pkt as an argument and will copy every field of Pkt to itself. | |
92 | virtual task PktCopy(XactorBasePacket Pkt); | |
93 | ||
94 | // This task will return an object of its same type and with the same field values. | |
95 | virtual function XactorBasePacket PktClone(); | |
96 | ||
97 | // This task will reset the fields of the packet. | |
98 | virtual task PktReset(); | |
99 | ||
100 | // This task will sync on DriveEvent | |
101 | virtual task SyncOnDrive() {} | |
102 | ||
103 | // This task will trigger DriveEvent | |
104 | virtual task TriggerDrive() {} | |
105 | } | |
106 |