add dumb time of day device
--HG-- extra : convert_revision : 52e51ff49f7ed73065f04707ded06dc7254292c4
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d8eeb2e0ff
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@ -37,6 +37,7 @@ Import('env')
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sources = []
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sources += Split('''
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dtod.cc
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t1000.cc
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mm_disk.cc
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''')
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115
src/dev/sparc/dtod.cc
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115
src/dev/sparc/dtod.cc
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@ -0,0 +1,115 @@
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/*
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* Copyright (c) 2004-2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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*/
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/** @file
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* Time of date device implementation
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*/
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#include <sys/time.h>
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#include <deque>
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#include <string>
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#include <vector>
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#include "base/trace.hh"
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#include "dev/sparc/dtod.hh"
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#include "dev/platform.hh"
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#include "mem/packet_access.hh"
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#include "mem/port.hh"
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#include "sim/builder.hh"
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#include "sim/system.hh"
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using namespace std;
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using namespace TheISA;
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DumbTOD::DumbTOD(Params *p)
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: BasicPioDevice(p), todTime(p->init_time)
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{
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pioSize = 0x08;
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struct tm tm;
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gmtime_r((time_t*)&todTime, &tm);
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DPRINTFN("Real-time clock set to %s\n", asctime(&tm));
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DPRINTFN("Real-time clock set to %d\n", todTime);
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}
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Tick
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DumbTOD::read(PacketPtr pkt)
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{
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assert(pkt->result == Packet::Unknown);
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assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
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assert(pkt->getSize() == 8);
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pkt->allocate();
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pkt->set(todTime);
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todTime += 1000;
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pkt->result = Packet::Success;
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return pioDelay;
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}
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Tick
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DumbTOD::write(PacketPtr pkt)
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{
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panic("Dumb tod device doesn't support writes\n");
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}
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BEGIN_DECLARE_SIM_OBJECT_PARAMS(DumbTOD)
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Param<Addr> pio_addr;
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Param<Tick> pio_latency;
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SimObjectParam<Platform *> platform;
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SimObjectParam<System *> system;
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Param<time_t> time;
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END_DECLARE_SIM_OBJECT_PARAMS(DumbTOD)
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BEGIN_INIT_SIM_OBJECT_PARAMS(DumbTOD)
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INIT_PARAM(pio_addr, "Device Address"),
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INIT_PARAM(pio_latency, "Programmed IO latency"),
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INIT_PARAM(platform, "platform"),
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INIT_PARAM(system, "system object"),
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INIT_PARAM(time, "System time to use (0 for actual time")
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END_INIT_SIM_OBJECT_PARAMS(DumbTOD)
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CREATE_SIM_OBJECT(DumbTOD)
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{
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DumbTOD::Params *p = new DumbTOD::Params;
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p->name =getInstanceName();
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p->pio_addr = pio_addr;
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p->pio_delay = pio_latency;
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p->platform = platform;
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p->system = system;
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p->init_time = time;
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return new DumbTOD(p);
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}
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REGISTER_SIM_OBJECT("DumbTOD", DumbTOD)
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67
src/dev/sparc/dtod.hh
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67
src/dev/sparc/dtod.hh
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@ -0,0 +1,67 @@
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/*
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* Copyright (c) 206, 2004-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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*/
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/** @file
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* This device acts as a simple time of date device. It's implemented as a
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* simple device register read.
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*/
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#ifndef __DEV_SPARC_DTOD_HH__
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#define __DEV_SPARC_DTOD_HH__
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#include "base/range.hh"
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#include "dev/io_device.hh"
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/**
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* DumbTOD simply returns some idea of time when read. Until we finish with
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* legion it starts with the start time and increments itself by 1000 each time.
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*/
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class DumbTOD : public BasicPioDevice
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{
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private:
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uint64_t todTime;
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public:
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struct Params : public BasicPioDevice::Params
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{
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time_t init_time;
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};
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protected:
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const Params *params() const { return (const Params *)_params; }
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public:
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DumbTOD(Params *p);
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virtual Tick read(PacketPtr pkt);
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virtual Tick write(PacketPtr pkt);
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};
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#endif // __DEV_BADDEV_HH__
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@ -11,6 +11,12 @@ class MmDisk(BasicPioDevice):
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image = Param.DiskImage("Disk Image")
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pio_addr = 0x1F40000000
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class DumbTOD(BasicPioDevice):
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type = 'DumbTOD'
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time = Param.Time('01/01/2009', "System time to use ('Now' for real time)")
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pio_addr = 0xfff0c1fff8
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class T1000(Platform):
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type = 'T1000'
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system = Param.System(Parent.any, "system")
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warn_access="Accessing SSI -- Unimplemented!")
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hvuart = Uart8250(pio_addr=0xfff0c2c000)
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htod = DumbTOD()
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puart0 = Uart8250(pio_addr=0x1f10000000)
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console = SimConsole(listener = ConsoleListener())
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self.fake_ssi.pio = bus.port
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self.puart0.pio = bus.port
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self.hvuart.pio = bus.port
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self.htod.pio = bus.port
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