| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: pcxPktClass.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 <std_display_defines.vri> |
| 37 | #include <ccxDevicesDefines.vri> |
| 38 | #include <cmp.vri> |
| 39 | // #include <defines.vri> |
| 40 | |
| 41 | // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
| 42 | // To use this class, you must have in your bench a files called globals.vri |
| 43 | // that has all global extern declerations in it. |
| 44 | #include <globals.vri> |
| 45 | |
| 46 | #include <std_display_class.vrh> |
| 47 | #include <basePktClass.vrh> |
| 48 | #include <cpxPktClass.vrh> |
| 49 | #include <ccxDevBaseBFM.vrh> |
| 50 | #include <ccxDevMemBFM.vrh> |
| 51 | #include <ccxDevSpcBFM.vrh> |
| 52 | |
| 53 | #define MON_CCXPKT 24 |
| 54 | |
| 55 | |
| 56 | // PCX Packet |
| 57 | // defines fields in packet |
| 58 | |
| 59 | class PcxPkt extends BasePkt { |
| 60 | |
| 61 | // pcx vector |
| 62 | public reg valid = 1; // 129 |
| 63 | // in base public reg [4:0] rqtyp; |
| 64 | public reg nc = 0; |
| 65 | public reg [2:0] cpuId = 0; // 122:120 |
| 66 | // in base public reg [2:0] tid; |
| 67 | public reg inv = 0; // 116 invalidate |
| 68 | public reg pf = 0; // 115 prefetch/BST block store |
| 69 | public reg l1wayBis = 0; // 114 L1 way/BIS block init store/MAid |
| 70 | public reg [1:0] l1wayMMUid = 0; |
| 71 | public reg [7:0] size = 0; |
| 72 | // in base public reg [39:0] addr; |
| 73 | public reg [63:0] data = 0; // 63:0 |
| 74 | // end pcx vector |
| 75 | |
| 76 | |
| 77 | local reg [129:0] pktVec = 0; |
| 78 | local reg [2:0] coreNum = 0; |
| 79 | local bit io = 0; |
| 80 | local integer printCount = 0; |
| 81 | local PcxPkt receivedPkt = null; |
| 82 | local reg [15:0] dummy = 0; |
| 83 | |
| 84 | task new (); |
| 85 | task loadPkt(reg [145:0] dataIn, integer atPort=99); |
| 86 | function reg [145:0] getVector(); |
| 87 | task print(integer atPort); |
| 88 | task send(integer fastResp=0); |
| 89 | function reg [145:0] makeSignature(); |
| 90 | task recv(); |
| 91 | |
| 92 | local task printHeader(); |
| 93 | task createIntr(reg [5:0] thread, // 64 virtual cores |
| 94 | reg [1:0] type, |
| 95 | reg [5:0] vect); |
| 96 | task recvPortByAddr(); |
| 97 | } |
| 98 | |
| 99 | task PcxPkt::new () { |
| 100 | name = "PcxPkt"; |
| 101 | super.reqId = 0; |
| 102 | super.reqTime = 0; |
| 103 | super.pktArrived = 0; |
| 104 | } |
| 105 | |
| 106 | // load this pkt from a vector |
| 107 | task PcxPkt::loadPkt(reg [145:0] dataIn, integer atPort=99) { // keep 145:0 |
| 108 | |
| 109 | // #ifdef PKT_DEBUG |
| 110 | // reqTime = get_time(LO); // time of request |
| 111 | // #endif |
| 112 | // #ifdef CCXDEVMEMBFM_DEBUG |
| 113 | // reqTime = get_time(LO); // time of request |
| 114 | // #endif |
| 115 | |
| 116 | pktVec = dataIn; |
| 117 | '{valid,rqtyp,nc,cpuId,tid,inv,pf,l1wayBis,l1wayMMUid,size,addr,data} = dataIn; |
| 118 | //printf("%0d bits = %146h\n",get_cycle(),{valid,rqtyp,nc,cpuId,tid,inv,pf,l1wayBis,l1wayMMUid,size,addr,data}; |
| 119 | //unpackVec(); |
| 120 | arrivalPort = atPort; |
| 121 | senderPort = cpuId; |
| 122 | if (atPort == DEV_NCU) io = 1; |
| 123 | |
| 124 | } |
| 125 | |
| 126 | function reg [145:0] PcxPkt::getVector() { |
| 127 | getVector = {valid,rqtyp,nc,cpuId,tid,inv,pf,l1wayBis,l1wayMMUid,size,addr,data}; |
| 128 | } |
| 129 | |
| 130 | task PcxPkt::print(integer atPort) |
| 131 | { |
| 132 | integer line = 999; |
| 133 | |
| 134 | printHeader () ; |
| 135 | |
| 136 | printf ("%9d:", get_time(LO)) ; |
| 137 | printf ("|%2d", tid + (8*cpuId)) ; |
| 138 | printf ("|PCX") ; |
| 139 | printf ("|%2d", atPort) ; |
| 140 | if (req_wire === 9'bxxxxxxxxx) printf ("|---"); |
| 141 | else printf ("|%3h", req_wire) ; |
| 142 | // printf ("|%3h", req_wire) ; |
| 143 | // printf ("|%3h", atm_wire) ; |
| 144 | printf ("|%1b", valid) ; |
| 145 | case (rqtyp) |
| 146 | { |
| 147 | PCX_LD,PCX_PREF,PCX_PREF_ICE,PCX_DIAG_LD,PCX_D_INVAL: { |
| 148 | if (pf & l1wayBis) printf ("|PREFETCH ICE"); |
| 149 | else if (inv) printf ("|D INVALIDATE"); |
| 150 | else if (pf) printf ("|PREFETCH "); |
| 151 | else printf ("|LOAD/DIAG "); |
| 152 | line = addr[10:4]; tag = addr[39:11]; |
| 153 | } |
| 154 | PCX_ST,PCX_BLK_ST,PCX_BLK_INIT_ST,PCX_DIAG_ST: { |
| 155 | if (pf & l1wayBis) printf ("|BLK STORE "); |
| 156 | else if (l1wayBis) printf ("|BLK INIT ST "); |
| 157 | else printf ("|STORE/DIAG "); |
| 158 | line = addr[10:4]; tag = addr[39:11]; |
| 159 | } |
| 160 | PCX_CAS1 : { |
| 161 | printf ("|CAS 1 "); |
| 162 | line = addr[10:4]; tag = addr[39:11]; |
| 163 | } |
| 164 | PCX_CAS2 : { |
| 165 | printf ("|CAS 2 "); |
| 166 | line = addr[10:4]; tag = addr[39:11]; |
| 167 | } |
| 168 | PCX_STR_LD : printf ("|STRM LOAD "); |
| 169 | PCX_STR_ST : printf ("|STRM STORE "); |
| 170 | PCX_SWAP : { |
| 171 | printf ("|SWAP/LDSTUB "); |
| 172 | line = addr[10:4]; tag = addr[39:11]; |
| 173 | } |
| 174 | PCX_MMU_LD : printf ("|MMU LOAD "); |
| 175 | PCX_IFILL,PCX_I_INVAL: |
| 176 | if (inv) printf ("|I INVALIDATE"); |
| 177 | else printf ("|INSTR IFILL "); |
| 178 | default : printf ("|??? %b",rqtyp) ; |
| 179 | } |
| 180 | printf ("|%2b", nc); |
| 181 | printf ("|%3d", cpuId); |
| 182 | printf ("|%1d", tid); |
| 183 | printf ("|%2b", inv); |
| 184 | printf ("|%2b", pf) ; |
| 185 | printf ("|%6b", l1wayBis); |
| 186 | printf ("|%5b", l1wayMMUid) ; |
| 187 | printf ("|%4h", size); |
| 188 | printf ("|%10h", addr); |
| 189 | printf ("|%h", data) ; |
| 190 | #ifdef CCXDEVMEMBFM_DEBUG |
| 191 | printf (" "); |
| 192 | printf ("|%3d", reqId); |
| 193 | printf ("|%10h", addr); |
| 194 | printf ("|%2h/%8h", line, tag); |
| 195 | printf ("/%1h", lineWay); |
| 196 | if (rqtyp == 0 && nc == 0) printf ("->%1h", l1wayMMUid*4+2); |
| 197 | //printf ("|%8d", reqTime); |
| 198 | #endif |
| 199 | printf ("\n\n") ; |
| 200 | |
| 201 | printCount++ ; |
| 202 | } |
| 203 | |
| 204 | |
| 205 | task PcxPkt::printHeader () |
| 206 | { |
| 207 | printf ("\n%9d:", get_time(LO)) ; |
| 208 | printf ("|VC") ; |
| 209 | printf ("|PCX") ; |
| 210 | printf ("|At") ; |
| 211 | printf ("|Req"); |
| 212 | // printf ("|Atm"); |
| 213 | printf ("|V") ; |
| 214 | printf ("|Type ") ; |
| 215 | printf ("|NC") ; |
| 216 | printf ("|CPU") ; |
| 217 | printf ("|T") ; |
| 218 | printf ("|Iv") ; |
| 219 | printf ("|Pf") ; |
| 220 | printf ("|WayBis"); |
| 221 | printf ("|WayMM"); |
| 222 | printf ("|Size"); |
| 223 | printf ("|Addr "); |
| 224 | printf ("|Data ") ; |
| 225 | #ifdef CCXDEVMEMBFM_DEBUG |
| 226 | printf (" "); |
| 227 | printf ("|RID"); |
| 228 | printf ("|Req Addr "); |
| 229 | printf ("|DL/Tag/Way"); |
| 230 | // printf ("|Req Time"); |
| 231 | #endif |
| 232 | printf ("\n") ; |
| 233 | } |
| 234 | |
| 235 | |
| 236 | // correct recvPort based on address |
| 237 | // addr bits [8:6] determins which bank an access goes to. |
| 238 | // review for partial bank |
| 239 | task PcxPkt::recvPortByAddr() { |
| 240 | targetPorts = 1 << addr[8:6]; |
| 241 | } |
| 242 | |
| 243 | |
| 244 | task PcxPkt::send(integer fastResp=0) { |
| 245 | integer i; |
| 246 | pktVec = {valid,rqtyp,nc,cpuId,tid,inv,pf,l1wayBis,l1wayMMUid,size,addr,data}; |
| 247 | case (rqtyp) { |
| 248 | PCX_CAS1: atomic = 1; |
| 249 | PCX_CAS2: atomic = 2; |
| 250 | } |
| 251 | for (i=0;i<9;i++) { |
| 252 | if (sendPorts[i]) { |
| 253 | if (gCcxDevice[i] == null) |
| 254 | error("Can't send packet from a nonExistant BFM! \n"); |
| 255 | gCcxDevice[i].send(this,fastResp); |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | |
| 261 | // makeSignature returns certain concatinated fields of the packet. |
| 262 | // called by BFM that needs it. |
| 263 | function reg [145:0] PcxPkt::makeSignature() { |
| 264 | makeSignature = {30'b0,valid,rqtyp,cpuId,tid,addr[39:0],data[63:0]}; |
| 265 | } |
| 266 | |
| 267 | |
| 268 | // BFM knows everything that it needs from this packet, |
| 269 | // especially the signature for packet matching. |
| 270 | // This packet has the signature and recvPorts. |
| 271 | // Note that recvPkt call inside the receiving BFM may be blocking review |
| 272 | task PcxPkt::recv() { |
| 273 | |
| 274 | if (manyHot(this.targetPorts) !== 1) |
| 275 | error("Need to set a single target port in targetPorts var! \n"); |
| 276 | |
| 277 | // hand off |
| 278 | gCcxDevice[whichHot(this.targetPorts)].recv(this); |
| 279 | } |
| 280 | |
| 281 | |
| 282 | |
| 283 | // Create/config Interrupt Pkt. this is really a store packet to a certain |
| 284 | // I/O adddress at the NCU. The NCU then does an interrupt to the target. |
| 285 | task PcxPkt::createIntr (reg [5:0] thread, // 64 virtual cores |
| 286 | reg [1:0] type, |
| 287 | reg [5:0] vect) { |
| 288 | |
| 289 | targetPorts = 1 << 8; // NCU |
| 290 | valid = 1'b1; |
| 291 | rqtyp = PCX_ST; |
| 292 | nc = 0; |
| 293 | cpuId = thread[5:3]; |
| 294 | tid = thread[2:0]; |
| 295 | inv = 0; |
| 296 | pf = 0; |
| 297 | l1wayBis = 0; |
| 298 | l1wayMMUid = 0; |
| 299 | size = 8'hff; |
| 300 | addr = ASI_SWVR_UDB_INTR_W; |
| 301 | data[63:0] = {42'b0,thread,type,8'b0,vect}; |
| 302 | } |
| 303 | |