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This patch adds explicit overrides as this is now required when using
"-Wall" with clang >= 3.5, the latter now part of the most recent
XCode. The patch consequently removes "virtual" for those methods
where "override" is added. The latter should be enough of an
indication.
As part of this patch, a few minor issues that clang >= 3.5 complains
about are also resolved (unused methods and variables).
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This patch moves away from using M5_ATTR_OVERRIDE and the m5::hashmap
(and similar) abstractions, as these are no longer needed with gcc 4.7
and clang 3.1 as minimum compiler versions.
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Objects that are can be serialized are supposed to inherit from the
Serializable class. This class is meant to provide a unified API for
such objects. However, so far it has mainly been used by SimObjects
due to some fundamental design limitations. This changeset redesigns
to the serialization interface to make it more generic and hide the
underlying checkpoint storage. Specifically:
* Add a set of APIs to serialize into a subsection of the current
object. Previously, objects that needed this functionality would
use ad-hoc solutions using nameOut() and section name
generation. In the new world, an object that implements the
interface has the methods serializeSection() and
unserializeSection() that serialize into a named /subsection/ of
the current object. Calling serialize() serializes an object into
the current section.
* Move the name() method from Serializable to SimObject as it is no
longer needed for serialization. The fully qualified section name
is generated by the main serialization code on the fly as objects
serialize sub-objects.
* Add a scoped ScopedCheckpointSection helper class. Some objects
need to serialize data structures, that are not deriving from
Serializable, into subsections. Previously, this was done using
nameOut() and manual section name generation. To simplify this,
this changeset introduces a ScopedCheckpointSection() helper
class. When this class is instantiated, it adds a new /subsection/
and subsequent serialization calls during the lifetime of this
helper class happen inside this section (or a subsection in case
of nested sections).
* The serialize() call is now const which prevents accidental state
manipulation during serialization. Objects that rely on modifying
state can use the serializeOld() call instead. The default
implementation simply calls serialize(). Note: The old-style calls
need to be explicitly called using the
serializeOld()/serializeSectionOld() style APIs. These are used by
default when serializing SimObjects.
* Both the input and output checkpoints now use their own named
types. This hides underlying checkpoint implementation from
objects that need checkpointing and makes it easier to change the
underlying checkpoint storage code.
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This change includes edits to MC146818 timer to prevent RTC events
firing before startup to comply with SimObject initialization call sequence.
Committed by: Nilay Vaish <nilay@cs.wisc.edu>
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This patch fixes the warnings that clang3.2svn emit due to the "-Wall"
flag. There is one case of an uninitialised value in the ARM neon ISA
description, and then a whole range of unused private fields that are
pruned.
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When casting objects in the generated SWIG interfaces, SWIG uses
classical C-style casts ( (Foo *)bar; ). In some cases, this can
degenerate into the equivalent of a reinterpret_cast (mainly if only a
forward declaration of the type is available). This usually works for
most compilers, but it is known to break if multiple inheritance is
used anywhere in the object hierarchy.
This patch introduces the cxx_header attribute to Python SimObject
definitions, which should be used to specify a header to include in
the SWIG interface. The header should include the declaration of the
wrapped object. We currently don't enforce header the use of the
header attribute, but a warning will be generated for objects that do
not use it.
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This patch takes the final plunge and transitions from the templated
Range class to the more specific AddrRange. In doing so it changes the
obvious Range<Addr> to AddrRange, and also bumps the range_map to be
AddrRangeMap.
In addition to the obvious changes, including the removal of redundant
includes, this patch also does some house keeping in preparing for the
introduction of address interleaving support in the ranges. The Range
class is also stripped of all the functionality that is never used.
--HG--
rename : src/base/range.hh => src/base/addr_range.hh
rename : src/base/range_map.hh => src/base/addr_range_map.hh
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It's not the right fix for the checkpoint deadlock problem
Brad was having, and creates another bug where the system can
deadlock on restore. Brad can't reproduce the original bug
right now, so we'll wait until it arises again and then try
to fix it the right way then.
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Added drain functions to the RTC and 8254 timer so that periodic interrupts
stop when the system is draining. This patch is needed to checkpoint in
timing mode. Otherwise under certain situations, the event queue will never
be completely empty.
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For now, there is still a single global event queue, but this is
necessary for making the steps towards a parallelized m5.
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--HG--
extra : convert_revision : 1e7f5185654ed0845678c2169c702d3b977159ed
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--HG--
extra : convert_revision : c7768d54d3f78685e93920069f5485083ca989c0
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creation and initialization now happens in python. Parameter objects
are generated and initialized by python. The .ini file is now solely for
debugging purposes and is not used in construction of the objects in any
way.
--HG--
extra : convert_revision : 7e722873e417cb3d696f2e34c35ff488b7bff4ed
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the other param code so that other functions can use it
as well.
--HG--
extra : convert_revision : a8becdeadc70af0b64bff5b0770788dfba6e1857
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pass the tuple of python's struct_time and interpret that.
Fixes a problem where the local timezone leaked into the time
calculation. Also fix things so that the unix, python, and RTC
data sheets all get the right time. Provide both years since 1900
and BCD two digit year.
Put the date back at 1/1/2006 for now.
--HG--
extra : convert_revision : 473244572f468de2cb579a3dd7ae296a6f81f5d7
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formats for time (strings, datetime objects, etc.)
Advance system time to 1/1/2009
Clean up time management code a little bit
--HG--
extra : convert_revision : 28ebecc7ea6b12f4345c77a9a6b4bdf2e752c4f8
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"generic" devices are dependent on some of those files. That will either need to change, or most likely those devices will have to be considered architecture dependent.
--HG--
rename : src/dev/tsunami.cc => src/dev/alpha/tsunami.cc
rename : src/dev/tsunami.hh => src/dev/alpha/tsunami.hh
rename : src/dev/tsunami_cchip.cc => src/dev/alpha/tsunami_cchip.cc
rename : src/dev/tsunami_cchip.hh => src/dev/alpha/tsunami_cchip.hh
rename : src/dev/tsunami_io.cc => src/dev/alpha/tsunami_io.cc
rename : src/dev/tsunami_io.hh => src/dev/alpha/tsunami_io.hh
rename : src/dev/tsunami_pchip.cc => src/dev/alpha/tsunami_pchip.cc
rename : src/dev/tsunami_pchip.hh => src/dev/alpha/tsunami_pchip.hh
rename : src/dev/tsunamireg.h => src/dev/alpha/tsunamireg.h
extra : convert_revision : ffbb6fd93341d2623a6932bf096019b8976da694
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