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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: niu_txtoken.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 "pcg_token.vrh" | |
37 | #include "niu_errclass.vrh" | |
38 | ||
39 | class CTxToken { // This should be extended from the main token .. | |
40 | integer id; | |
41 | integer dma_num; | |
42 | integer port_num; | |
43 | integer pkt_length; | |
44 | integer valid; | |
45 | integer err_pkt; | |
46 | integer port_data_valid; | |
47 | bit [63:0] xlate_gather_address[15]; | |
48 | integer gather_pkt_length[15]; | |
49 | integer NoofGathers; | |
50 | integer current_deficit; | |
51 | integer CannotTouch; | |
52 | CpgToken pgToken; | |
53 | CNiuErrors error_info; | |
54 | ||
55 | ||
56 | bit [63:0] descriptor_address; | |
57 | bit [63:0] xlate_desc_addr; | |
58 | bit [63:0] last_descriptor_address; | |
59 | bit [63:0] packet_start_address; | |
60 | bit [63:0] xlate_mb_addr; | |
61 | integer call_back_set; | |
62 | integer CallBackPending; | |
63 | ||
64 | // Rx Loop back related variables | |
65 | integer loop_back_rx_lastpacket; | |
66 | integer loop_back_rxdma_num; | |
67 | ||
68 | task new(integer i = -1) { | |
69 | id = i; | |
70 | valid = 0; | |
71 | call_back_set = 0; | |
72 | CannotTouch = 0; | |
73 | CallBackPending = 0; | |
74 | NoofGathers = 0; | |
75 | err_pkt = 0; | |
76 | port_data_valid = 0; | |
77 | pgToken = new(id); | |
78 | error_info = new(); | |
79 | } | |
80 | ||
81 | task print() { | |
82 | printf(" TOKEN DEBUG id - %d descriptor_addr = %x packet_start_addr = %x \n",id,descriptor_address,packet_start_address); | |
83 | } | |
84 | ||
85 | task update_exp_err() { | |
86 | pgToken.exp_err = err_pkt; | |
87 | printf("Niu_txtoken: value of err_bit %d\n",pgToken.exp_err); | |
88 | } | |
89 | } | |
90 | ||
91 | MakeVeraList(CTxToken) // list of tokens for DRR | |
92 | ||
93 | // Used for TxDRR Sync Cup | |
94 | ||
95 | class CTxDrrTr { | |
96 | integer LatchActiveSeen ; | |
97 | integer NewKickSeen; | |
98 | integer NewKickDMA ; | |
99 | bit[31:0] activeList; | |
100 | ||
101 | task new() { | |
102 | LatchActiveSeen = 0; | |
103 | NewKickSeen = 0; | |
104 | NewKickDMA = 0; | |
105 | activeList= 0; | |
106 | } | |
107 | ||
108 | } |