gem5  v21.1.0.2
io_device.cc
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40 
41 #include "dev/io_device.hh"
42 
43 #include "base/trace.hh"
44 #include "debug/AddrRanges.hh"
45 #include "sim/system.hh"
46 
47 namespace gem5
48 {
49 
51  : ClockedObject(p), sys(p.system), pioPort(this)
52 {}
53 
55 {
56 }
57 
58 void
60 {
61  if (!pioPort.isConnected())
62  panic("Pio port of %s not connected to anything!", name());
63  pioPort.sendRangeChange();
64 }
65 
66 Port &
67 PioDevice::getPort(const std::string &if_name, PortID idx)
68 {
69  if (if_name == "pio") {
70  return pioPort;
71  }
72  return ClockedObject::getPort(if_name, idx);
73 }
74 
76  : PioDevice(p), pioAddr(p.pio_addr), pioSize(size),
77  pioDelay(p.pio_latency)
78 {}
79 
82 {
83  assert(pioSize != 0);
84  AddrRangeList ranges;
85  DPRINTF(AddrRanges, "registering range: %#x-%#x\n", pioAddr, pioSize);
86  ranges.push_back(RangeSize(pioAddr, pioSize));
87  return ranges;
88 }
89 
90 } // namespace gem5
gem5::PortID
int16_t PortID
Port index/ID type, and a symbolic name for an invalid port id.
Definition: types.hh:252
gem5::SimObject::getPort
virtual Port & getPort(const std::string &if_name, PortID idx=InvalidPortID)
Get a port with a given name and index.
Definition: sim_object.cc:126
gem5::BasicPioDevice::pioAddr
Addr pioAddr
Address that the device listens to.
Definition: io_device.hh:151
io_device.hh
system.hh
gem5::PioDevice
This device is the base class which all devices senstive to an address range inherit from.
Definition: io_device.hh:102
gem5::RangeSize
AddrRange RangeSize(Addr start, Addr size)
Definition: addr_range.hh:661
gem5::PioDevice::pioPort
PioPort< PioDevice > pioPort
The pioPort that handles the requests for us and provides us requests that it sees.
Definition: io_device.hh:109
gem5::X86ISA::system
Bitfield< 15 > system
Definition: misc.hh:1003
gem5::BasicPioDevice::getAddrRanges
AddrRangeList getAddrRanges() const override
Determine the address ranges that this device responds to.
Definition: io_device.cc:81
gem5::BasicPioDevice::BasicPioDevice
BasicPioDevice(const Params &p, Addr size)
Definition: io_device.cc:75
gem5::PioDevice::init
void init() override
init() is called after all C++ SimObjects have been created and all ports are connected.
Definition: io_device.cc:59
gem5::PioDevice::Params
PioDeviceParams Params
Definition: io_device.hh:134
gem5::Named::name
virtual std::string name() const
Definition: named.hh:47
DPRINTF
#define DPRINTF(x,...)
Definition: trace.hh:186
gem5::MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:326
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::ClockedObject
The ClockedObject class extends the SimObject with a clock and accessor functions to relate ticks to ...
Definition: clocked_object.hh:234
gem5::Port
Ports are used to interface objects to each other.
Definition: port.hh:61
gem5::BasicPioDevice::pioSize
Addr pioSize
Size that the device's address range.
Definition: io_device.hh:154
gem5::PioDevice::PioDevice
PioDevice(const Params &p)
Definition: io_device.cc:50
gem5::PioDevice::~PioDevice
virtual ~PioDevice()
Definition: io_device.cc:54
trace.hh
std::list< AddrRange >
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
panic
#define panic(...)
This implements a cprintf based panic() function.
Definition: logging.hh:177
gem5::PioDevice::getPort
Port & getPort(const std::string &if_name, PortID idx=InvalidPortID) override
Get a port with a given name and index.
Definition: io_device.cc:67

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