gem5  v22.0.0.2
dtod.cc
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28 
32 #include "dev/sparc/dtod.hh"
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/platform.hh"
43 #include "mem/packet_access.hh"
44 #include "mem/port.hh"
45 #include "sim/system.hh"
46 
47 namespace gem5
48 {
49 
51  : BasicPioDevice(p, 0x08)
52 {
53  struct tm tm = p.time;
54  todTime = mkutctime(&tm);
55 
56  DPRINTFN("Real-time clock set to %s\n", asctime(&tm));
57  DPRINTFN("Real-time clock set to %d\n", todTime);
58 }
59 
60 Tick
62 {
63  assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
64  assert(pkt->getSize() == 8);
65 
66  pkt->setBE(todTime);
67  todTime += 1000;
68 
69  pkt->makeAtomicResponse();
70  return pioDelay;
71 }
72 
73 Tick
75 {
76  panic("Dumb tod device doesn't support writes\n");
77 }
78 
79 void
81 {
83 }
84 
85 void
87 {
89 }
90 
91 } // namespace gem5
gem5::BasicPioDevice::pioAddr
Addr pioAddr
Address that the device listens to.
Definition: io_device.hh:151
gem5::DumbTOD::read
Tick read(PacketPtr pkt) override
Pure virtual function that the device must implement.
Definition: dtod.cc:61
system.hh
UNSERIALIZE_SCALAR
#define UNSERIALIZE_SCALAR(scalar)
Definition: serialize.hh:575
gem5::CheckpointIn
Definition: serialize.hh:68
time.hh
gem5::DumbTOD::unserialize
void unserialize(CheckpointIn &cp) override
Unserialize an object.
Definition: dtod.cc:86
gem5::Packet::makeAtomicResponse
void makeAtomicResponse()
Definition: packet.hh:1056
gem5::PioDevice::Params
PioDeviceParams Params
Definition: io_device.hh:134
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::DumbTOD::serialize
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: dtod.cc:80
gem5::Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:291
gem5::Tick
uint64_t Tick
Tick count type.
Definition: types.hh:58
gem5::Packet::setBE
void setBE(T v)
Set the value in the data pointer to v as big endian.
Definition: packet_access.hh:101
port.hh
gem5::BasicPioDevice::pioDelay
Tick pioDelay
Delay that the device experinces on an access.
Definition: io_device.hh:157
gem5::DumbTOD::DumbTOD
DumbTOD(const Params &p)
Definition: dtod.cc:50
platform.hh
gem5::PowerISA::tm
Bitfield< 32 > tm
Definition: misc.hh:107
SERIALIZE_SCALAR
#define SERIALIZE_SCALAR(scalar)
Definition: serialize.hh:568
packet_access.hh
dtod.hh
gem5::mkutctime
time_t mkutctime(struct tm *time)
Definition: time.cc:154
gem5::BasicPioDevice::pioSize
Addr pioSize
Size that the device's address range.
Definition: io_device.hh:154
gem5::CheckpointOut
std::ostream CheckpointOut
Definition: serialize.hh:66
trace.hh
DPRINTFN
#define DPRINTFN(...)
Definition: trace.hh:214
gem5::Packet::getAddr
Addr getAddr() const
Definition: packet.hh:790
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::BasicPioDevice
Definition: io_device.hh:147
gem5::DumbTOD::todTime
uint64_t todTime
Definition: dtod.hh:52
gem5::DumbTOD::write
Tick write(PacketPtr pkt) override
Pure virtual function that the device must implement.
Definition: dtod.cc:74
gem5::Packet::getSize
unsigned getSize() const
Definition: packet.hh:800
panic
#define panic(...)
This implements a cprintf based panic() function.
Definition: logging.hh:178

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