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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: pgIdgen.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 <ListMacros.vrh> | |
37 | #define TIME {get_time(HI), get_time(LO)} | |
38 | ||
39 | class CpgIdgen { | |
40 | bit[15:0] packet_id[4]; | |
41 | ||
42 | task new() { | |
43 | integer i,j; | |
44 | for(i=0;i<4;i++) { | |
45 | packet_id[i] = 0; | |
46 | } | |
47 | } | |
48 | ||
49 | function bit[47:0] getMacSA( integer dma_num,integer mac_id) { | |
50 | bit[15:0] id; | |
51 | bit[1:0] m; | |
52 | bit[5:0] d; | |
53 | bit[23:0] r; | |
54 | ||
55 | id = packet_id[mac_id]++; | |
56 | m = mac_id; | |
57 | d = dma_num; | |
58 | r = random(); | |
59 | getMacSA = {r,d,m,id}; | |
60 | } | |
61 | } | |
62 | ||
63 |