| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: niu_int_sidmgr.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 "pio_memory_map.vri" |
| 37 | #include "pio_driver.vrh" |
| 38 | |
| 39 | extern niu_gen_pio gen_pio_drv; |
| 40 | |
| 41 | class CSidShadowTab { |
| 42 | |
| 43 | bit [63:0] valid; |
| 44 | local integer ShTab[]; |
| 45 | task new(); |
| 46 | function integer deleteSidTab(integer gid, bit [6:0] data) ; |
| 47 | function integer updateSidTab(integer gid, bit [6:0] data) ; |
| 48 | task pio_writeSidTab(integer gid, bit [6:0] data) ; |
| 49 | task pio_readSidTab(integer gid, var bit [6:0] data) ; |
| 50 | task RemoveSidTab(integer gid) ; |
| 51 | function integer getGid(var integer gid, bit [6:0] data); |
| 52 | } |
| 53 | |
| 54 | task CSidShadowTab::new() { |
| 55 | valid = 0; |
| 56 | } |
| 57 | |
| 58 | task CSidShadowTab::RemoveSidTab(integer gid) { |
| 59 | bit [6:0] data; |
| 60 | bit[63:0] address,wdata; |
| 61 | integer status; |
| 62 | pio_readSidTab(gid,data); |
| 63 | status = deleteSidTab(gid,data); |
| 64 | address = NIU_SID + 8*gid; |
| 65 | wdata = 64'h0; |
| 66 | gen_pio_drv.pio_wr(address,wdata); |
| 67 | } |
| 68 | function integer CSidShadowTab::deleteSidTab(integer gid, bit [6:0] data) { |
| 69 | integer status; |
| 70 | if(assoc_index(CHECK,ShTab,data)) { |
| 71 | status = assoc_index(DELETE,ShTab,data); |
| 72 | deleteSidTab = 1; |
| 73 | valid[gid]=0; |
| 74 | } else { |
| 75 | deleteSidTab = 0; |
| 76 | } |
| 77 | } |
| 78 | function integer CSidShadowTab::updateSidTab(integer gid, bit [6:0] data) { |
| 79 | if(assoc_index(CHECK,ShTab,data)) { |
| 80 | printf(" SID - %x Already exists in the tables !! Skipping the update \n"); |
| 81 | updateSidTab = -1; |
| 82 | } else { |
| 83 | ShTab[data] = gid; |
| 84 | updateSidTab = 1; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | task CSidShadowTab::pio_writeSidTab(integer gid, bit [6:0] data) { |
| 89 | integer status; |
| 90 | bit [63:0] address; |
| 91 | bit[63:0] wdata; |
| 92 | |
| 93 | status = updateSidTab(gid,data); |
| 94 | if(status !=-1) { |
| 95 | address = NIU_SID + 8*gid; |
| 96 | wdata = { 57'h0,data}; |
| 97 | gen_pio_drv.pio_wr(address,wdata); |
| 98 | valid [gid] = 1; |
| 99 | } else { |
| 100 | printf("CSidShadowTab::pio_writeSidTab TB ERROR \n"); |
| 101 | } |
| 102 | } |
| 103 | task CSidShadowTab::pio_readSidTab(integer gid, var bit [6:0] data) { |
| 104 | integer status; |
| 105 | bit [63:0] address; |
| 106 | bit[63:0] rdata; |
| 107 | |
| 108 | address = NIU_SID + 8*gid; |
| 109 | gen_pio_drv.pio_rd(address,rdata); |
| 110 | data = rdata[6:0]; |
| 111 | } |
| 112 | |
| 113 | function integer CSidShadowTab::getGid(var integer gid, bit [6:0] data){ |
| 114 | integer status; |
| 115 | if(assoc_index(CHECK,ShTab,data)) { |
| 116 | gid = ShTab[data]; |
| 117 | status = 1; |
| 118 | } else { |
| 119 | status = 0; |
| 120 | gid = -1; |
| 121 | } |
| 122 | getGid = status; |
| 123 | } |
| 124 | |
| 125 | |