dtod.cc revision 3990
13914Ssaidi@eecs.umich.edu/* 23914Ssaidi@eecs.umich.edu * Copyright (c) 2004-2006 The Regents of The University of Michigan 33914Ssaidi@eecs.umich.edu * All rights reserved. 43914Ssaidi@eecs.umich.edu * 53914Ssaidi@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 63914Ssaidi@eecs.umich.edu * modification, are permitted provided that the following conditions are 73914Ssaidi@eecs.umich.edu * met: redistributions of source code must retain the above copyright 83914Ssaidi@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 93914Ssaidi@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 103914Ssaidi@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 113914Ssaidi@eecs.umich.edu * documentation and/or other materials provided with the distribution; 123914Ssaidi@eecs.umich.edu * neither the name of the copyright holders nor the names of its 133914Ssaidi@eecs.umich.edu * contributors may be used to endorse or promote products derived from 143914Ssaidi@eecs.umich.edu * this software without specific prior written permission. 153914Ssaidi@eecs.umich.edu * 163914Ssaidi@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 173914Ssaidi@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 183914Ssaidi@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 193914Ssaidi@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 203914Ssaidi@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 213914Ssaidi@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 223914Ssaidi@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233914Ssaidi@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243914Ssaidi@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253914Ssaidi@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 263914Ssaidi@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273914Ssaidi@eecs.umich.edu * 283914Ssaidi@eecs.umich.edu * Authors: Ali Saidi 293914Ssaidi@eecs.umich.edu */ 303914Ssaidi@eecs.umich.edu 313914Ssaidi@eecs.umich.edu/** @file 323914Ssaidi@eecs.umich.edu * Time of date device implementation 333914Ssaidi@eecs.umich.edu */ 343914Ssaidi@eecs.umich.edu#include <sys/time.h> 353914Ssaidi@eecs.umich.edu 363914Ssaidi@eecs.umich.edu#include <deque> 373914Ssaidi@eecs.umich.edu#include <string> 383914Ssaidi@eecs.umich.edu#include <vector> 393914Ssaidi@eecs.umich.edu 403914Ssaidi@eecs.umich.edu#include "base/trace.hh" 413914Ssaidi@eecs.umich.edu#include "dev/sparc/dtod.hh" 423914Ssaidi@eecs.umich.edu#include "dev/platform.hh" 433914Ssaidi@eecs.umich.edu#include "mem/packet_access.hh" 443914Ssaidi@eecs.umich.edu#include "mem/port.hh" 453914Ssaidi@eecs.umich.edu#include "sim/builder.hh" 463914Ssaidi@eecs.umich.edu#include "sim/system.hh" 473914Ssaidi@eecs.umich.edu 483914Ssaidi@eecs.umich.eduusing namespace std; 493914Ssaidi@eecs.umich.eduusing namespace TheISA; 503914Ssaidi@eecs.umich.edu 513914Ssaidi@eecs.umich.eduDumbTOD::DumbTOD(Params *p) 523943Sbinkertn@umich.edu : BasicPioDevice(p) 533914Ssaidi@eecs.umich.edu{ 543990Ssaidi@eecs.umich.edu struct tm tm; 553990Ssaidi@eecs.umich.edu char *tz; 563990Ssaidi@eecs.umich.edu 573914Ssaidi@eecs.umich.edu pioSize = 0x08; 583914Ssaidi@eecs.umich.edu 593943Sbinkertn@umich.edu parseTime(p->init_time, &tm); 603990Ssaidi@eecs.umich.edu tz = getenv("TZ"); 613990Ssaidi@eecs.umich.edu setenv("TZ", "", 1); 623990Ssaidi@eecs.umich.edu tzset(); 633990Ssaidi@eecs.umich.edu todTime = mktime(&tm); 643990Ssaidi@eecs.umich.edu if (tz) 653990Ssaidi@eecs.umich.edu setenv("TZ", tz, 1); 663990Ssaidi@eecs.umich.edu else 673990Ssaidi@eecs.umich.edu unsetenv("TZ"); 683990Ssaidi@eecs.umich.edu tzset(); 693943Sbinkertn@umich.edu 703914Ssaidi@eecs.umich.edu DPRINTFN("Real-time clock set to %s\n", asctime(&tm)); 713914Ssaidi@eecs.umich.edu DPRINTFN("Real-time clock set to %d\n", todTime); 723914Ssaidi@eecs.umich.edu} 733914Ssaidi@eecs.umich.edu 743914Ssaidi@eecs.umich.eduTick 753914Ssaidi@eecs.umich.eduDumbTOD::read(PacketPtr pkt) 763914Ssaidi@eecs.umich.edu{ 773914Ssaidi@eecs.umich.edu assert(pkt->result == Packet::Unknown); 783914Ssaidi@eecs.umich.edu assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); 793914Ssaidi@eecs.umich.edu assert(pkt->getSize() == 8); 803914Ssaidi@eecs.umich.edu 813914Ssaidi@eecs.umich.edu pkt->allocate(); 823914Ssaidi@eecs.umich.edu pkt->set(todTime); 833914Ssaidi@eecs.umich.edu todTime += 1000; 843914Ssaidi@eecs.umich.edu 853914Ssaidi@eecs.umich.edu pkt->result = Packet::Success; 863914Ssaidi@eecs.umich.edu return pioDelay; 873914Ssaidi@eecs.umich.edu} 883914Ssaidi@eecs.umich.edu 893914Ssaidi@eecs.umich.eduTick 903914Ssaidi@eecs.umich.eduDumbTOD::write(PacketPtr pkt) 913914Ssaidi@eecs.umich.edu{ 923914Ssaidi@eecs.umich.edu panic("Dumb tod device doesn't support writes\n"); 933914Ssaidi@eecs.umich.edu} 943914Ssaidi@eecs.umich.edu 953990Ssaidi@eecs.umich.eduvoid 963990Ssaidi@eecs.umich.eduDumbTOD::serialize(std::ostream &os) 973990Ssaidi@eecs.umich.edu{ 983990Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(todTime); 993990Ssaidi@eecs.umich.edu} 1003990Ssaidi@eecs.umich.edu 1013990Ssaidi@eecs.umich.eduvoid 1023990Ssaidi@eecs.umich.eduDumbTOD::unserialize(Checkpoint *cp, const std::string §ion) 1033990Ssaidi@eecs.umich.edu{ 1043990Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(todTime); 1053990Ssaidi@eecs.umich.edu} 1063990Ssaidi@eecs.umich.edu 1073990Ssaidi@eecs.umich.edu 1083914Ssaidi@eecs.umich.eduBEGIN_DECLARE_SIM_OBJECT_PARAMS(DumbTOD) 1093914Ssaidi@eecs.umich.edu 1103914Ssaidi@eecs.umich.edu Param<Addr> pio_addr; 1113914Ssaidi@eecs.umich.edu Param<Tick> pio_latency; 1123914Ssaidi@eecs.umich.edu SimObjectParam<Platform *> platform; 1133914Ssaidi@eecs.umich.edu SimObjectParam<System *> system; 1143943Sbinkertn@umich.edu VectorParam<int> time; 1153914Ssaidi@eecs.umich.edu 1163914Ssaidi@eecs.umich.eduEND_DECLARE_SIM_OBJECT_PARAMS(DumbTOD) 1173914Ssaidi@eecs.umich.edu 1183914Ssaidi@eecs.umich.eduBEGIN_INIT_SIM_OBJECT_PARAMS(DumbTOD) 1193914Ssaidi@eecs.umich.edu 1203914Ssaidi@eecs.umich.edu INIT_PARAM(pio_addr, "Device Address"), 1213914Ssaidi@eecs.umich.edu INIT_PARAM(pio_latency, "Programmed IO latency"), 1223914Ssaidi@eecs.umich.edu INIT_PARAM(platform, "platform"), 1233914Ssaidi@eecs.umich.edu INIT_PARAM(system, "system object"), 1243943Sbinkertn@umich.edu INIT_PARAM(time, "") 1253914Ssaidi@eecs.umich.edu 1263914Ssaidi@eecs.umich.eduEND_INIT_SIM_OBJECT_PARAMS(DumbTOD) 1273914Ssaidi@eecs.umich.edu 1283914Ssaidi@eecs.umich.eduCREATE_SIM_OBJECT(DumbTOD) 1293914Ssaidi@eecs.umich.edu{ 1303914Ssaidi@eecs.umich.edu DumbTOD::Params *p = new DumbTOD::Params; 1313914Ssaidi@eecs.umich.edu p->name =getInstanceName(); 1323914Ssaidi@eecs.umich.edu p->pio_addr = pio_addr; 1333914Ssaidi@eecs.umich.edu p->pio_delay = pio_latency; 1343914Ssaidi@eecs.umich.edu p->platform = platform; 1353914Ssaidi@eecs.umich.edu p->system = system; 1363914Ssaidi@eecs.umich.edu p->init_time = time; 1373914Ssaidi@eecs.umich.edu return new DumbTOD(p); 1383914Ssaidi@eecs.umich.edu} 1393914Ssaidi@eecs.umich.edu 1403914Ssaidi@eecs.umich.eduREGISTER_SIM_OBJECT("DumbTOD", DumbTOD) 141