gem5
v19.0.0.0
arch
arm
freebsd
system.hh
Go to the documentation of this file.
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/*
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* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
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* All rights reserved.
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*
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* This software was developed by the University of Cambridge Computer
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* Laboratory as part of the CTSRD Project, with support from the UK Higher
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* Education Innovation Fund (HEIF).
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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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#ifndef __ARCH_ARM_FREEBSD_SYSTEM_HH__
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#define __ARCH_ARM_FREEBSD_SYSTEM_HH__
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#include <cstdio>
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#include <map>
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#include <string>
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#include <vector>
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#include "
arch/arm/system.hh
"
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#include "
base/output.hh
"
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#include "
kern/freebsd/events.hh
"
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#include "params/FreebsdArmSystem.hh"
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#include "
sim/core.hh
"
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class
FreebsdArmSystem
:
public
GenericArmSystem
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{
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public
:
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typedef
FreebsdArmSystemParams
Params
;
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const
Params *
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params
()
const
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{
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return
dynamic_cast<
const
Params *
>
(
_params
);
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}
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60
bool
enableContextSwitchStatsDump
;
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std::map<uint32_t, uint32_t>
taskMap
;
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std::ostream*
taskFile
;
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FreebsdArmSystem
(Params *
p
);
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~FreebsdArmSystem
();
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void
initState
();
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void
startup
();
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void
mapPid
(
ThreadContext
* tc, uint32_t pid);
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private
:
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PCEvent
*
kernelPanicEvent
;
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PCEvent
*
kernelOopsEvent
;
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95
FreeBSD::UDelayEvent
*
uDelaySkipEvent
;
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102
FreeBSD::UDelayEvent
*
constUDelaySkipEvent
;
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109
Addr
secDataPtrAddr
;
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Addr
secDataAddr
;
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Addr
penReleaseAddr
;
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Addr
pen64ReleaseAddr
;
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Addr
bootReleaseAddr
;
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};
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#endif // __ARCH_ARM_FREEBSD_SYSTEM_HH__
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FreebsdArmSystem::pen64ReleaseAddr
Addr pen64ReleaseAddr
Definition:
system.hh:112
FreebsdArmSystem::Params
FreebsdArmSystemParams Params
Boilerplate params code.
Definition:
system.hh:51
FreebsdArmSystem::bootReleaseAddr
Addr bootReleaseAddr
Definition:
system.hh:113
FreebsdArmSystem::params
const Params * params() const
Definition:
system.hh:53
ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU...
Definition:
thread_context.hh:93
FreebsdArmSystem::uDelaySkipEvent
FreeBSD::UDelayEvent * uDelaySkipEvent
PC based event to skip udelay(<time>) calls and quiesce the processor for the appropriate amount of t...
Definition:
system.hh:95
FreeBSD::UDelayEvent
A class to skip udelay() and related calls in the kernel.
Definition:
events.hh:45
FreebsdArmSystem
Definition:
system.hh:47
FreebsdArmSystem::startup
void startup()
startup() is the final initialization call before simulation.
Definition:
system.cc:152
GenericArmSystem
Definition:
system.hh:347
FreebsdArmSystem::mapPid
void mapPid(ThreadContext *tc, uint32_t pid)
This function creates a new task Id for the given pid.
FreebsdArmSystem::enableContextSwitchStatsDump
bool enableContextSwitchStatsDump
When enabled, dump stats/task info on context switches for Streamline and per-thread cache occupancy ...
Definition:
system.hh:60
core.hh
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition:
types.hh:142
FreebsdArmSystem::secDataAddr
Addr secDataAddr
Definition:
system.hh:110
FreebsdArmSystem::taskMap
std::map< uint32_t, uint32_t > taskMap
This map stores a mapping of OS process IDs to internal Task IDs.
Definition:
system.hh:66
FreebsdArmSystem::penReleaseAddr
Addr penReleaseAddr
Definition:
system.hh:111
output.hh
FreebsdArmSystem::FreebsdArmSystem
FreebsdArmSystem(Params *p)
Definition:
system.cc:53
System::_params
Params * _params
Definition:
system.hh:571
system.hh
PCEvent
Definition:
pc_event.hh:45
FreebsdArmSystem::kernelPanicEvent
PCEvent * kernelPanicEvent
Event to halt the simulator if the kernel calls panic()
Definition:
system.hh:85
FreebsdArmSystem::kernelOopsEvent
PCEvent * kernelOopsEvent
Event to halt the simulator if the kernel calls oopses.
Definition:
system.hh:88
FreebsdArmSystem::initState
void initState()
Initialise the system.
Definition:
system.cc:77
events.hh
MipsISA::p
Bitfield< 0 > p
Definition:
pra_constants.hh:325
FreebsdArmSystem::secDataPtrAddr
Addr secDataPtrAddr
These variables store addresses of important data structures that are normaly kept coherent at boot w...
Definition:
system.hh:109
FreebsdArmSystem::~FreebsdArmSystem
~FreebsdArmSystem()
Definition:
system.cc:137
FreebsdArmSystem::constUDelaySkipEvent
FreeBSD::UDelayEvent * constUDelaySkipEvent
Another PC based skip event for const_udelay().
Definition:
system.hh:102
FreebsdArmSystem::taskFile
std::ostream * taskFile
This is a file that is placed in the run directory that prints out mappings between taskIds and OS pr...
Definition:
system.hh:70
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