| 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 | } |