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Most of these frontend configurations share cache configuration code, pull it out so that
changes to caches don't have to require changing multiple config files.
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On the config end, if a shared L2 is created for the system, it is
parameterized to have n sharers as defined by option.num_cpus. In addition to
making the cache sharing aware so that discriminating tag policies can make use
of context_ids to make decisions, I added an occupancy AverageStat and an occ %
stat to each cache so that you could know which contexts are occupying how much
cache on average, both in terms of blocks and percentage. Note that since
devices have context_id -1, having an array of occ stats that correspond to
each context_id will break here, so in FS mode I add an extra bucket for device
blocks. This bucket is explicitly not added in SE mode in order to not only
avoid ugliness in the stats.txt file, but to avoid broken stats (some formulas
break when a bucket is 0).
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Converted both ruby caches and directory memory to use the M5 MemorySize python
type.
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Reorganized ruby python configuration so that protocol and ruby memory system
configuration code can be shared by multiple front-end configuration files
(i.e. memory tester, full system, and hopefully the regression tester). This
code works for memory tester, but have not tested fs mode.
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This patch includes a rather substantial change to the memory controller
profiler in order to work with the new configuration system. Most
noteably, the mem_cntrl_profiler no longer uses a string map, but instead
a vector. Eventually this support should be removed from the main
profiler and go into a separate object. Each memory controller should have
a pointer to that new mem_cntrl profile object.
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As a first step to migrate ruby to the M5 eventqueue, added a clock
variable to the ruby system.
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This patch includes the necessary changes to connect ruby objects using
the python configuration system. Mainly it consists of removing
unnecessary ruby object pointers and connecting the necessary object
pointers using the generated param objects. This patch includes the
slicc changes necessary to connect generated ruby objects together using
the python configuraiton system.
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rather than in RubySystem object.
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The necessary companion conversion of Ruby objects generated by SLICC
are converted to M5 SimObjects in the following patch, so this patch
alone does not compile.
Conversion of Garnet network models is also handled in a separate
patch; that code is temporarily disabled from compiling to allow
testing of interim code.
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Slightly improved the major hack need to correctly assign the number of ports
per core. CPUs have two ports: icache + dcache. MemTester has one port.
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Connects M5 cpu and dma ports directly to ruby sequencers and dma
sequencers. Rubymem also includes a pio port so that pio requests
and be forwarded to a special pio bus connecting to device pio
ports.
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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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fix bug with 'numThreads=len(workloads)' which was counting characters of command-line not counting threads as intended.
Update numThreads for inorder/o3 cases and default to 1 for all other cases.
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This changeset also includes a lot of work from Derek Hower <drh5@cs.wisc.edu>
RubyMemory is now both a driver for Ruby and a port for M5. Changed
makeRequest/hitCallback interface. Brought packets (superficially)
into the sequencer. Modified tester infrastructure to be packet based.
and Ruby can be used together through the example ruby_se.py
script. SPARC parallel applications work, and the timing *seems* right
from combined M5/Ruby debug traces. To run,
% build/ALPHA_SE/m5.debug configs/example/ruby_se.py -c
tests/test-progs/hello/bin/alpha/linux/hello -n 4 -t
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interrupt assignment.
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Previously there was one per bus, which caused some coherence problems
when more than one decided to respond. Now there is just one on
the main memory bus. The default bus responder on all other buses
is now the downstream cache's cpu_side port. Caches no longer need
to do address range filtering; instead, we just have a simple flag
to prevent snoops from propagating to the I/O bus.
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information about an error.
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- Add the option of redirecting stderr to a file. With the old
behaviour, stderr would follow stdout if stdout was to a file, but
stderr went to the host stderr if stdout went to the host stdout. The
new default maintains stdout and stderr going to the host. Now the
two can specify different files, but they will share a file descriptor
if the name of the files is the same.
- Add --output and --errout options to se.py to go with --input.
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--HG--
extra : convert_revision : ef22c11cb3242903a484fc05dc0f96d3e5f9af72
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--HG--
extra : convert_revision : a4796c79f41aa8b8f38bf2f628bee8f1b3af64be
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--HG--
extra : convert_revision : 2870a146a1be0e8c80878090f39c0eaa15d2eb13
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--HG--
extra : convert_revision : d4e19afda897bc3797868b40469ce2ec7ec7d251
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systems
--HG--
extra : convert_revision : 0ba563555a94eb22a6d4e402388e75e70d3556c2
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--HG--
extra : convert_revision : 36ed22b50066f54be0e51c3419babc07dd218e10
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are given as parameters.
Patch submitted by: Jonas Diemer [diemer (a) ida.ing.tu-bs.de]
--HG--
extra : convert_revision : 1dfc548d2bc33d622d829bbf385f4bf9700711cd
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Lets CPU accesses to physical memory bypass Bus.
--HG--
extra : convert_revision : e56e3879de47ee10951a19bfcd8b62b6acdfb30c
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way so a cache can handle partial block requests for i/o devices.
--HG--
extra : convert_revision : a68b5ae826731bc87ed93eb7ef326a2393053964
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--HG--
extra : convert_revision : 21f7afe2719c00744c0981212c1ee6e442238e01
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--HG--
extra : convert_revision : 8504bddf1f73a4186cebc03c3e52e42ea38361fc
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initialization code.
--HG--
extra : convert_revision : 1fc741eea956ebfa4cef488eef4333d1f50617a6
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with cmd line option.
--HG--
extra : convert_revision : 5dfb0db65452c0b7aa3e2dc2a0209e3f8e23811f
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Atomic mode seems to work. Timing is closer but not there yet.
--HG--
extra : convert_revision : 0dea5c3d4b973d009e9d4a4c21b9cad15961d56f
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Also make default 0, and make that mean run forever.
--HG--
extra : convert_revision : 3e60a52b1c5e334a9ef3d744cf7ee1d851ba4aa9
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Also added comments to document treespec format.
--HG--
extra : convert_revision : fa9e8f66b68b96a4efca8a7fe6e7c37367382d9d
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