dtod.cc (4762:c94e103c83ad) | dtod.cc (4870:fcc39d001154) |
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1/* 2 * Copyright (c) 2004-2006 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 23 unchanged lines hidden (view full) --- 32 * Time of date device implementation 33 */ 34#include <sys/time.h> 35 36#include <deque> 37#include <string> 38#include <vector> 39 | 1/* 2 * Copyright (c) 2004-2006 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 23 unchanged lines hidden (view full) --- 32 * Time of date device implementation 33 */ 34#include <sys/time.h> 35 36#include <deque> 37#include <string> 38#include <vector> 39 |
40#include "base/time.hh" | |
41#include "base/trace.hh" 42#include "dev/sparc/dtod.hh" 43#include "dev/platform.hh" 44#include "mem/packet_access.hh" 45#include "mem/port.hh" | 40#include "base/trace.hh" 41#include "dev/sparc/dtod.hh" 42#include "dev/platform.hh" 43#include "mem/packet_access.hh" 44#include "mem/port.hh" |
45#include "sim/builder.hh" |
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46#include "sim/system.hh" 47 48using namespace std; 49using namespace TheISA; 50 | 46#include "sim/system.hh" 47 48using namespace std; 49using namespace TheISA; 50 |
51DumbTOD::DumbTOD(const Params *p) | 51DumbTOD::DumbTOD(Params *p) |
52 : BasicPioDevice(p) 53{ | 52 : BasicPioDevice(p) 53{ |
54 struct tm tm = p->time; | 54 struct tm tm; |
55 char *tz; 56 57 pioSize = 0x08; 58 | 55 char *tz; 56 57 pioSize = 0x08; 58 |
59 parseTime(p->init_time, &tm); |
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59 tz = getenv("TZ"); 60 setenv("TZ", "", 1); 61 tzset(); 62 todTime = mktime(&tm); 63 if (tz) 64 setenv("TZ", tz, 1); 65 else 66 unsetenv("TZ"); 67 tzset(); 68 69 DPRINTFN("Real-time clock set to %s\n", asctime(&tm)); 70 DPRINTFN("Real-time clock set to %d\n", todTime); 71} 72 73Tick 74DumbTOD::read(PacketPtr pkt) 75{ | 60 tz = getenv("TZ"); 61 setenv("TZ", "", 1); 62 tzset(); 63 todTime = mktime(&tm); 64 if (tz) 65 setenv("TZ", tz, 1); 66 else 67 unsetenv("TZ"); 68 tzset(); 69 70 DPRINTFN("Real-time clock set to %s\n", asctime(&tm)); 71 DPRINTFN("Real-time clock set to %d\n", todTime); 72} 73 74Tick 75DumbTOD::read(PacketPtr pkt) 76{ |
76 assert(pkt->result == Packet::Unknown); | |
77 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); 78 assert(pkt->getSize() == 8); 79 80 pkt->allocate(); 81 pkt->set(todTime); 82 todTime += 1000; 83 | 77 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); 78 assert(pkt->getSize() == 8); 79 80 pkt->allocate(); 81 pkt->set(todTime); 82 todTime += 1000; 83 |
84 pkt->result = Packet::Success; | 84 pkt->makeAtomicResponse(); |
85 return pioDelay; 86} 87 88Tick 89DumbTOD::write(PacketPtr pkt) 90{ 91 panic("Dumb tod device doesn't support writes\n"); 92} --- 5 unchanged lines hidden (view full) --- 98} 99 100void 101DumbTOD::unserialize(Checkpoint *cp, const std::string §ion) 102{ 103 UNSERIALIZE_SCALAR(todTime); 104} 105 | 85 return pioDelay; 86} 87 88Tick 89DumbTOD::write(PacketPtr pkt) 90{ 91 panic("Dumb tod device doesn't support writes\n"); 92} --- 5 unchanged lines hidden (view full) --- 98} 99 100void 101DumbTOD::unserialize(Checkpoint *cp, const std::string §ion) 102{ 103 UNSERIALIZE_SCALAR(todTime); 104} 105 |
106DumbTOD * 107DumbTODParams::create() | 106 107BEGIN_DECLARE_SIM_OBJECT_PARAMS(DumbTOD) 108 109 Param<Addr> pio_addr; 110 Param<Tick> pio_latency; 111 SimObjectParam<Platform *> platform; 112 SimObjectParam<System *> system; 113 VectorParam<int> time; 114 115END_DECLARE_SIM_OBJECT_PARAMS(DumbTOD) 116 117BEGIN_INIT_SIM_OBJECT_PARAMS(DumbTOD) 118 119 INIT_PARAM(pio_addr, "Device Address"), 120 INIT_PARAM(pio_latency, "Programmed IO latency"), 121 INIT_PARAM(platform, "platform"), 122 INIT_PARAM(system, "system object"), 123 INIT_PARAM(time, "") 124 125END_INIT_SIM_OBJECT_PARAMS(DumbTOD) 126 127CREATE_SIM_OBJECT(DumbTOD) |
108{ | 128{ |
109 return new DumbTOD(this); | 129 DumbTOD::Params *p = new DumbTOD::Params; 130 p->name =getInstanceName(); 131 p->pio_addr = pio_addr; 132 p->pio_delay = pio_latency; 133 p->platform = platform; 134 p->system = system; 135 p->init_time = time; 136 return new DumbTOD(p); |
110} | 137} |
138 139REGISTER_SIM_OBJECT("DumbTOD", DumbTOD) |
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