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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: ucb___packet.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 | ||
37 | class UCB___packet { | |
38 | string name; | |
39 | bit [127:0] pkt; // the whole 128-bit ucb packet | |
40 | //---each field---- | |
41 | bit [63:0] payload; // [127:64] of ucb pkt | |
42 | bit [8:0] bytemask; // [63:55] of ucb pkt | |
43 | bit [39:0] addr; // [54:15] of ucb pkt | |
44 | bit [2:0] req_size; // [14:12] of ucb pkt | |
45 | bit [1:0] buffer_id; // [11:10] of ucb pkt | |
46 | bit [2:0] cpu_id; // [9:7] of ucb pkt | |
47 | bit [2:0] thread_id; // [6:4] of ucb pkt | |
48 | bit [3:0] pkt_type; // [3:0] of ucb pkt | |
49 | ||
50 | task new(string name="UCB_pkt", bit [127:0] pkt=0) { | |
51 | this.name = name; | |
52 | this.pkt = pkt; | |
53 | break_into_fields(); | |
54 | } | |
55 | ||
56 | //---break 128-bit value of ucb pkt into each field--- | |
57 | task break_into_fields() { | |
58 | this.payload = this.pkt[127:64]; | |
59 | this.bytemask = this.pkt[63:55]; | |
60 | this.addr = this.pkt[54:15]; | |
61 | this.req_size = this.pkt[14:12]; | |
62 | this.buffer_id = this.pkt[11:10]; | |
63 | this.cpu_id = this.pkt[9:7]; | |
64 | this.thread_id = this.pkt[6:4]; | |
65 | this.pkt_type = this.pkt[3:0]; | |
66 | } | |
67 | } |