dtod.cc (4762:c94e103c83ad) dtod.cc (4870:fcc39d001154)
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"
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);
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 &section)
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 &section)
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)