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Last summer's big rewrite of the initialization code (in
particular cset 6efc3672733b) got rid of the implicit parenting
that used to occur when an unparented SimObject was assigned as
a parameter value to another SimObject. The idea was that the
new adoptOrphanParams() step would catch these anyway so it was
unnecessary.
Unfortunately it turns out that adoptOrphanParams() has some
inherent instability in that the parent that does the adoption
depends on the config tree traversal order. Even making this
order deterministic (e.g., by traversing children in
alphabetical order) can introduce unwanted and unexpected
hierarchy changes between similar configs (e.g., when adding a
switch_cpu in place of a cpu), causing problems when trying to
restore checkpoints across similar configs. The hierarchy
created by implicit parenting is more stable and more
controllable, so this patch turns that behavior back on.
This patch also cleans up some long-standing holes regarding
parenting of SimObjects that are created in class definitions
(either in the body of the class, or as default parameters).
To avoid breaking some existing config files, this necessitated
changing the error on reparenting children to a warning. This
change fixes another bug where attempting to print the prior
error message would fail on reparenting SimObjectVectors
because they lack a _parent attribute. Some further issues
with SimObjectVectors were cleaned up by getting rid of the
get_parent() call (which could cause errors with some
SimObjectVectors where there was no single parent to return)
with has_parent() (since all the uses of get_parent() were just
boolean tests anyway).
Finally, since the adoptOrphanParam() step turned out to be so
problematic, we now issue a warning when it actually has to do
an adoption. Future cleanup of config files will get rid of
current warnings.
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Ran all the source files through 'perl -pi' with this script:
s|\s*(};?\s*)?/\*\s*(end\s*)?namespace\s*(\S+)\s*\*/(\s*})?|} // namespace $3|;
s|\s*};?\s*//\s*(end\s*)?namespace\s*(\S+)\s*|} // namespace $2\n|;
s|\s*};?\s*//\s*(\S+)\s*namespace\s*|} // namespace $1\n|;
Also did a little manual editing on some of the arch/*/isa_traits.hh files
and src/SConscript.
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New parameter forms are:
IP address in the format "a.b.c.d" where a-d are from decimal 0 to 255.
IP address with netmask which is an IP followed by "/n" where n is a netmask
length in bits from decimal 0 to 32 or by "/e.f.g.h" where e-h are from
decimal 0 to 255 and which is all 1 bits followed by all 0 bits when
represented in binary. These can also be specified as an integral IP and
netmask passed in separately.
IP address with port which is an IP followed by ":p" where p is a port index
from decimal 0 to 65535. These can also be specified as an integral IP and
port value passed in separately.
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This is necessary because versions of swig older than 1.3.39 fail to
do the right thing and try to do relative imports for everything (even
with the package= option to %module). Instead of putting params in
the m5.internal.params package, put params in the m5.internal package
and make all param modules start with param_. Same thing for
m5.internal.enums.
Also, stop importing all generated params into m5.objects. They are
not necessary and now with everything using relative imports we wound
up with pollution of the namespace (where builtin-range got overridden).
--HG--
rename : src/python/m5/internal/enums/__init__.py => src/python/m5/internal/enums.py
rename : src/python/m5/internal/params/__init__.py => src/python/m5/internal/params.py
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kill params.i and create a separate .i for each object (param, enums, etc.)
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Meant to add these with the previous batch of csets.
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The old code for handling SimObject children was kind of messy,
with children stored both in _values and _children, and
inconsistent and potentially buggy handling of SimObject
vectors. Now children are always stored in _children, and
SimObject vectors are consistently handled using the
SimObjectVector class.
Also, by deferring the parenting of SimObject-valued parameters
until the end (instead of doing it at assignment), we eliminate
the hole where one could assign a vector of SimObjects to a
parameter then append to that vector, with the appended objects
never getting parented properly.
This patch induces small stats changes in tests with data races
due to changes in the object creation & initialization order.
The new code does object vectors in order and so should be more
stable.
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Orphan SimObjects (not in the config hierarchy) could get
created implicitly if they have a port connection to a SimObject
that is in the hierarchy. This means that there are objects on
the C++ SimObject list (created via the C++ SimObject
constructor call) that are unknown to Python and will get
skipped if we walk the hierarchy from the Python side (as we are
about to do). This patch detects this situation and prints an
error message.
Also fix the rubytester config script which happened to rely on
this behavior.
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Get rid of misc.py and just stick misc things in __init__.py
Move utility functions out of SCons files and into m5.util
Move utility type stuff from m5/__init__.py to m5/util/__init__.py
Remove buildEnv from m5 and allow access only from m5.defines
Rename AddToPath to addToPath while we're moving it to m5.util
Rename read_command to readCommand while we're moving it
Rename compare_versions to compareVersions while we're moving it.
--HG--
rename : src/python/m5/convert.py => src/python/m5/util/convert.py
rename : src/python/m5/smartdict.py => src/python/m5/util/smartdict.py
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--HG--
rename : src/sim/host.hh => src/base/types.hh
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information about an error.
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and print better error messages when it doesn't.
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--HG--
extra : convert_revision : 81cf805055e2f4d62e56a02ac82a0b230251f40b
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Using print >>ini_file syntax instead of reassigning sys.stdout
allows the python debugger to be used.
--HG--
extra : convert_revision : 63fc268f2e80f338ad1a7abe54b9e979e2239609
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--HG--
extra : convert_revision : 04520bcfab510580a1c7fb341afbd2487287d1ab
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Add support for declaring SimObjects to swig so their members can be wrapped.
Make sim_object.i only contain declarations for SimObject.
Create system.i to contain declarations for System.
Update python code to properly call the C++ given the new changes.
--HG--
extra : convert_revision : 82076ee69e8122d56e91b92d6767e356baae420a
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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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--HG--
extra : convert_revision : 150bbe7f31aafb43a75195fc2a365fb3c0ec5673
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unproxy() needs to return a new object otherwise all
instances will use the same value. This fix is more
or less unique to NextEthernetAddr because its use of
the proxy stuff is a bit different than everything else.
--HG--
extra : convert_revision : 2ce452e37d00b9ba76b6abfaec0ad2e0073920d7
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--HG--
extra : convert_revision : d068dfec69b28d48fc299a4108e165decfaaace7
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directly configured by python. Move stuff from root.(cc|hh) to
core.(cc|hh) since it really belogs there now.
In the process, simplify how ticks are used in the python code.
--HG--
extra : convert_revision : cf82ee1ea20f9343924f30bacc2a38d4edee8df3
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so things are organized in a more sensible manner. Take apart
finalInit and expose the individual functions which are now
called from python. Make checkpointing a bit easier to use.
--HG--
extra : convert_revision : f470ddabbb47103e7b4734ef753c40089f2dcd9d
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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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--HG--
extra : convert_revision : 2ccb75b0912a384789458710fd9bbb65626f839e
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Rename cc_main to internal.main
--HG--
extra : convert_revision : e938005f600fbf8a43435e29426a948f4501f072
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bin files, cleanup lockstep printing a bit
Since we don't have a platform yet, you need to comment out the default responder stuff in Bus.py to make it work.
SConstruct:
Add TARGET_ISA to the list of environment variables that end up in the build_env for python
configs/common/FSConfig.py:
add a simple SPARC system to being testing with, you'll need to change makeLinuxAlphaSystem to makeSparcSystem in fs.py for now
src/SConscript:
add a raw file object, at least until we get more info about how to compile openboot properly
src/arch/sparc/system.cc:
src/arch/sparc/system.hh:
add parameters for ROM files (OBP/Reset/Hypervisor), a ROM, load files into ROM
src/base/loader/object_file.cc:
src/base/loader/object_file.hh:
add option to try raw when nothing works
src/cpu/exetrace.cc:
cleanup lockstep printing a little bit
src/cpu/m5legion_interface.h:
change the instruction to be 32 bits because it is
src/mem/physical.cc:
fix assert that doesn't work if memory starts somewhere above 0
src/python/m5/objects/BaseCPU.py:
Add if statement to choose between sparc tlbs and alpha tlbs
src/python/m5/objects/System.py:
Add a sparc system that sets the rom addresses correctly
src/python/m5/params.py:
add the ability to add Addr() together
--HG--
extra : convert_revision : bbbd8a56134f2dda2728091f740e2f7119b0c4af
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--HG--
extra : convert_revision : 76b16fe2926611bd1c12c8ad7392355ad30a5138
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Includes support for printing readable VectorPort and Proxy names
(via __str__).
--HG--
extra : convert_revision : c48534a498b3036fe6ac45ff1606656546c79afb
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Significant revamp of Port code.
Some cleanup of SimObject code too, particularly to
make the SimObject and MetaSimObject implementations of
__setattr__ more consistent.
Unproxy code split out of print_ini().
src/python/m5/multidict.py:
Make get() return None by default, to match semantics
of built-in dictionary objects.
--HG--
extra : convert_revision : db73b6cdd004a82a08b2402afd1e16544cb902a4
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--HG--
extra : convert_revision : 703d3a57250613315735709de8f40a9956cee6e2
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and resulting recursive import trickiness.
--HG--
extra : convert_revision : 1ea93861eb8d260c9f3920dda0b8106db3e03705
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Some tweaking to deal with mutually recursive imports.
--HG--
rename : src/python/m5/config.py => src/python/m5/SimObject.py
extra : convert_revision : 166f7bfabfd20100e93d26a89382469465859988
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