diff options
| -rw-r--r-- | src/dev/sparc/SConscript | 1 | ||||
| -rw-r--r-- | src/dev/sparc/dtod.cc | 115 | ||||
| -rw-r--r-- | src/dev/sparc/dtod.hh | 67 | ||||
| -rw-r--r-- | src/python/m5/objects/T1000.py | 9 |
4 files changed, 192 insertions, 0 deletions
diff --git a/src/dev/sparc/SConscript b/src/dev/sparc/SConscript index 63f29846a..44b082b68 100644 --- a/src/dev/sparc/SConscript +++ b/src/dev/sparc/SConscript @@ -37,6 +37,7 @@ Import('env') sources = [] sources += Split(''' + dtod.cc t1000.cc mm_disk.cc ''') diff --git a/src/dev/sparc/dtod.cc b/src/dev/sparc/dtod.cc new file mode 100644 index 000000000..30c7baaf5 --- /dev/null +++ b/src/dev/sparc/dtod.cc @@ -0,0 +1,115 @@ +/* + * Copyright (c) 2004-2006 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Ali Saidi + */ + +/** @file + * Time of date device implementation + */ +#include <sys/time.h> + +#include <deque> +#include <string> +#include <vector> + +#include "base/trace.hh" +#include "dev/sparc/dtod.hh" +#include "dev/platform.hh" +#include "mem/packet_access.hh" +#include "mem/port.hh" +#include "sim/builder.hh" +#include "sim/system.hh" + +using namespace std; +using namespace TheISA; + +DumbTOD::DumbTOD(Params *p) + : BasicPioDevice(p), todTime(p->init_time) +{ + pioSize = 0x08; + + struct tm tm; + gmtime_r((time_t*)&todTime, &tm); + DPRINTFN("Real-time clock set to %s\n", asctime(&tm)); + DPRINTFN("Real-time clock set to %d\n", todTime); +} + +Tick +DumbTOD::read(PacketPtr pkt) +{ + assert(pkt->result == Packet::Unknown); + assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); + assert(pkt->getSize() == 8); + + pkt->allocate(); + pkt->set(todTime); + todTime += 1000; + + pkt->result = Packet::Success; + return pioDelay; +} + +Tick +DumbTOD::write(PacketPtr pkt) +{ + panic("Dumb tod device doesn't support writes\n"); +} + +BEGIN_DECLARE_SIM_OBJECT_PARAMS(DumbTOD) + + Param<Addr> pio_addr; + Param<Tick> pio_latency; + SimObjectParam<Platform *> platform; + SimObjectParam<System *> system; + Param<time_t> time; + +END_DECLARE_SIM_OBJECT_PARAMS(DumbTOD) + +BEGIN_INIT_SIM_OBJECT_PARAMS(DumbTOD) + + INIT_PARAM(pio_addr, "Device Address"), + INIT_PARAM(pio_latency, "Programmed IO latency"), + INIT_PARAM(platform, "platform"), + INIT_PARAM(system, "system object"), + INIT_PARAM(time, "System time to use (0 for actual time") + +END_INIT_SIM_OBJECT_PARAMS(DumbTOD) + +CREATE_SIM_OBJECT(DumbTOD) +{ + DumbTOD::Params *p = new DumbTOD::Params; + p->name =getInstanceName(); + p->pio_addr = pio_addr; + p->pio_delay = pio_latency; + p->platform = platform; + p->system = system; + p->init_time = time; + return new DumbTOD(p); +} + +REGISTER_SIM_OBJECT("DumbTOD", DumbTOD) diff --git a/src/dev/sparc/dtod.hh b/src/dev/sparc/dtod.hh new file mode 100644 index 000000000..7d3a9f628 --- /dev/null +++ b/src/dev/sparc/dtod.hh @@ -0,0 +1,67 @@ +/* + * Copyright (c) 206, 2004-2005 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Ali Saidi + */ + +/** @file + * This device acts as a simple time of date device. It's implemented as a + * simple device register read. + */ + +#ifndef __DEV_SPARC_DTOD_HH__ +#define __DEV_SPARC_DTOD_HH__ + +#include "base/range.hh" +#include "dev/io_device.hh" + + +/** + * DumbTOD simply returns some idea of time when read. Until we finish with + * legion it starts with the start time and increments itself by 1000 each time. + */ +class DumbTOD : public BasicPioDevice +{ + private: + uint64_t todTime; + + public: + struct Params : public BasicPioDevice::Params + { + time_t init_time; + }; + protected: + const Params *params() const { return (const Params *)_params; } + + public: + DumbTOD(Params *p); + + virtual Tick read(PacketPtr pkt); + virtual Tick write(PacketPtr pkt); +}; + +#endif // __DEV_BADDEV_HH__ diff --git a/src/python/m5/objects/T1000.py b/src/python/m5/objects/T1000.py index 030f4abd8..7b93268ac 100644 --- a/src/python/m5/objects/T1000.py +++ b/src/python/m5/objects/T1000.py @@ -11,6 +11,12 @@ class MmDisk(BasicPioDevice): image = Param.DiskImage("Disk Image") pio_addr = 0x1F40000000 +class DumbTOD(BasicPioDevice): + type = 'DumbTOD' + time = Param.Time('01/01/2009', "System time to use ('Now' for real time)") + pio_addr = 0xfff0c1fff8 + + class T1000(Platform): type = 'T1000' system = Param.System(Parent.any, "system") @@ -64,6 +70,8 @@ class T1000(Platform): warn_access="Accessing SSI -- Unimplemented!") hvuart = Uart8250(pio_addr=0xfff0c2c000) + htod = DumbTOD() + puart0 = Uart8250(pio_addr=0x1f10000000) console = SimConsole(listener = ConsoleListener()) @@ -86,3 +94,4 @@ class T1000(Platform): self.fake_ssi.pio = bus.port self.puart0.pio = bus.port self.hvuart.pio = bus.port + self.htod.pio = bus.port |