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/gem5/src/mem/ruby/network/simple/
H A DSimpleNetwork.ccdiff 7054:7d6862b80049 Wed Mar 31 19:56:00 EDT 2010 Nathan Binkert <nate@binkert.org> style: another ruby style pass
/gem5/src/arch/x86/
H A Dutility.hhdiff 4194:af4f6022394b Fri Mar 09 16:56:00 EST 2007 Ali Saidi <saidi@eecs.umich.edu> implement ipi stufff for SPARC

src/arch/alpha/utility.hh:
src/arch/mips/utility.hh:
src/arch/sparc/utility.hh:
src/arch/x86/utility.hh:
add hook for system to startup the cpu or not... in the case of FS sparc, only the first cpu would get spunup.. the rest sit in an idle state until they get an ipi
src/arch/sparc/isa/decoder.isa:
handle writable bits of strandstatus register in miscregfile
src/arch/sparc/miscregfile.hh:
some constants for the strand status register
src/arch/sparc/ua2005.cc:
properly implement the strand status register
src/dev/sparc/iob.cc:
implement ipi generation properly
src/sim/system.cc:
call into the ISA to start the CPU (or not)
H A Dutility.ccdiff 9544:1a075d9bc1bc Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> x86: Move APIC clock divider to Python

This patch moves the 16x APIC clock divider to the Python code to
avoid the post-instantiation modifications to the clock. The x86 APIC
was the only object setting the clock after creation time and this
required some custom functionality and configuration. With this patch,
the clock multiplier is moved to the Python code and the objects are
instantiated with the appropriate clock.
H A Dpagetable_walker.ccdiff 9542:683991c46ac8 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> mem: Add predecessor to SenderState base class

This patch adds a predecessor field to the SenderState base class to
make the process of linking them up more uniform, and enable a
traversal of the stack without knowing the specific type of the
subclasses.

There are a number of simplifications done as part of changing the
SenderState, particularly in the RubyTest.
/gem5/tests/long/se/20.parser/ref/x86/linux/o3-timing/
H A Dstats.txtdiff 9978:81d7551dd3be Fri Nov 01 11:56:00 EDT 2013 Andreas Hansson <andreas.hansson@arm.com> stats: Bump stats to match DRAM controller changes

This patch encompasses all the stats updates needed to reflect the
changes to the DRAM controller.
/gem5/src/arch/alpha/
H A Dutility.hhdiff 4194:af4f6022394b Fri Mar 09 16:56:00 EST 2007 Ali Saidi <saidi@eecs.umich.edu> implement ipi stufff for SPARC

src/arch/alpha/utility.hh:
src/arch/mips/utility.hh:
src/arch/sparc/utility.hh:
src/arch/x86/utility.hh:
add hook for system to startup the cpu or not... in the case of FS sparc, only the first cpu would get spunup.. the rest sit in an idle state until they get an ipi
src/arch/sparc/isa/decoder.isa:
handle writable bits of strandstatus register in miscregfile
src/arch/sparc/miscregfile.hh:
some constants for the strand status register
src/arch/sparc/ua2005.cc:
properly implement the strand status register
src/dev/sparc/iob.cc:
implement ipi generation properly
src/sim/system.cc:
call into the ISA to start the CPU (or not)
H A Dstacktrace.ccdiff 9550:e0e2c8f83d08 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Fix up numerous warnings about name shadowing

This patch address the most important name shadowing warnings (as
produced when using gcc/clang with -Wshadow). There are many
locations where constructor parameters and function parameters shadow
local variables, but these are left unchanged.
/gem5/src/arch/sparc/
H A Dutility.hhdiff 4194:af4f6022394b Fri Mar 09 16:56:00 EST 2007 Ali Saidi <saidi@eecs.umich.edu> implement ipi stufff for SPARC

src/arch/alpha/utility.hh:
src/arch/mips/utility.hh:
src/arch/sparc/utility.hh:
src/arch/x86/utility.hh:
add hook for system to startup the cpu or not... in the case of FS sparc, only the first cpu would get spunup.. the rest sit in an idle state until they get an ipi
src/arch/sparc/isa/decoder.isa:
handle writable bits of strandstatus register in miscregfile
src/arch/sparc/miscregfile.hh:
some constants for the strand status register
src/arch/sparc/ua2005.cc:
properly implement the strand status register
src/dev/sparc/iob.cc:
implement ipi generation properly
src/sim/system.cc:
call into the ISA to start the CPU (or not)
H A Dfaults.hhdiff 9554:406fbcf60223 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Add warning for missing declarations

This patch enables warnings for missing declarations. To avoid issues
with SWIG-generated code, the warning is only applied to non-SWIG
code.
/gem5/src/arch/sparc/isa/
H A Doperands.isadiff 4634:56ee30ecc1ba Sat Apr 14 13:07:00 EDT 2007 Gabe Black <gblack@eecs.umich.edu> Make the fsr a serializing register. Other control registers probably need this as well.
/gem5/util/m5/
H A Dm5.cdiff 9451:f56816facd25 Mon Jan 07 16:56:00 EST 2013 Andreas Sandberg <Andreas.Sandberg@ARM.com> util: Fix stack corruption in the m5 util

The number of arguments specified when calling parse_int_args() in
do_exit() is incorrect. This leads to stack corruption since it causes
writes past the end of the ints array.
/gem5/src/cpu/testers/traffic_gen/
H A Dtraffic_gen.ccdiff 11491:6ffc99023568 Thu May 26 06:56:00 EDT 2016 Andreas Hansson <andreas.hansson@arm.com> cpu: Add a basic progress check to the TrafficGen

This patch adds a progress check to the TrafficGen so that it is
easier to detect deadlock scenarios where the generator gets stuck
waiting for a retry, and makes no further progress.

Change-Id: Ifb8779ad0939f52c0518d0e867bac73f99b82e2b
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Radhika Jagtap <radhika.jagtap@arm.com>
/gem5/configs/example/
H A Dmemtest.pydiff 9120:48eeef8a0997 Thu Jul 12 00:56:00 EDT 2012 Andreas Hansson <andreas.hansson@arm.com> Mem: Make SimpleMemory single ported

This patch changes the simple memory to have a single slave port
rather than a vector port. The simple memory makes no attempts at
modelling the contention between multiple ports, and any such
multiplexing and demultiplexing could be done in a bus (or crossbar)
outside the memory controller. This scenario also matches with the
ongoing work on a SimpleDRAM model, which will be a single-ported
single-channel controller that can be used in conjunction with a bus
(or crossbar) to create a multi-port multi-channel controller.

There are only very few regressions that make use of the vector port,
and these are all for functional accesses only. To facilitate these
cases, memtest and memtest-ruby have been updated to also have a
"functional" bus to perform the (de)multiplexing of the functional
memory accesses.
/gem5/src/arch/mips/isa/formats/
H A Dmem.isadiff 9554:406fbcf60223 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Add warning for missing declarations

This patch enables warnings for missing declarations. To avoid issues
with SWIG-generated code, the warning is only applied to non-SWIG
code.
/gem5/src/cpu/checker/
H A Dcpu_impl.hhdiff 5712:199d31b47f7b Sun Nov 02 21:56:00 EST 2008 Lisa Hsu <hsul@eecs.umich.edu> make BaseCPU the provider of _cpuId, and cpuId() instead of being scattered
across the subclasses. generally make it so that member data is _cpuId and
accessor functions are cpuId(). The ID val comes from the python (default -1 if
none provided), and if it is -1, the index of cpuList will be given. this has
passed util/regress quick and se.py -n4 and fs.py -n4 as well as standard
switch.
/gem5/src/systemc/core/
H A Dsc_module.ccdiff 12901:72bc9ff65802 Fri Jun 15 17:56:00 EDT 2018 Gabe Black <gabeblack@google.com> systemc: Add the nonstandard macro SC_NEW.

This is in the Accellera implementation and in the regression tests.
The implementation here is a bit different than theirs in that it uses
std::unique_ptrs.

Change-Id: Id3d1ad82482b94a5d99f27e02d1e447ca1944797
Reviewed-on: https://gem5-review.googlesource.com/11255
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
/gem5/tests/configs/
H A Dmemtest-ruby.pydiff 9120:48eeef8a0997 Thu Jul 12 00:56:00 EDT 2012 Andreas Hansson <andreas.hansson@arm.com> Mem: Make SimpleMemory single ported

This patch changes the simple memory to have a single slave port
rather than a vector port. The simple memory makes no attempts at
modelling the contention between multiple ports, and any such
multiplexing and demultiplexing could be done in a bus (or crossbar)
outside the memory controller. This scenario also matches with the
ongoing work on a SimpleDRAM model, which will be a single-ported
single-channel controller that can be used in conjunction with a bus
(or crossbar) to create a multi-port multi-channel controller.

There are only very few regressions that make use of the vector port,
and these are all for functional accesses only. To facilitate these
cases, memtest and memtest-ruby have been updated to also have a
"functional" bus to perform the (de)multiplexing of the functional
memory accesses.
H A Dmemtest.pydiff 9120:48eeef8a0997 Thu Jul 12 00:56:00 EDT 2012 Andreas Hansson <andreas.hansson@arm.com> Mem: Make SimpleMemory single ported

This patch changes the simple memory to have a single slave port
rather than a vector port. The simple memory makes no attempts at
modelling the contention between multiple ports, and any such
multiplexing and demultiplexing could be done in a bus (or crossbar)
outside the memory controller. This scenario also matches with the
ongoing work on a SimpleDRAM model, which will be a single-ported
single-channel controller that can be used in conjunction with a bus
(or crossbar) to create a multi-port multi-channel controller.

There are only very few regressions that make use of the vector port,
and these are all for functional accesses only. To facilitate these
cases, memtest and memtest-ruby have been updated to also have a
"functional" bus to perform the (de)multiplexing of the functional
memory accesses.
/gem5/src/cpu/o3/
H A Drob_impl.hhdiff 9550:e0e2c8f83d08 Tue Feb 19 05:56:00 EST 2013 Andreas Hansson <andreas.hansson@arm.com> scons: Fix up numerous warnings about name shadowing

This patch address the most important name shadowing warnings (as
produced when using gcc/clang with -Wshadow). There are many
locations where constructor parameters and function parameters shadow
local variables, but these are left unchanged.
/gem5/src/dev/
H A Ddma_device.ccdiff 9452:b41dac174706 Mon Jan 07 16:56:00 EST 2013 Andreas Sandberg <Andreas.Sandberg@ARM.com> dev: Fix infinite recursion in DMA devices

The DMA device sometimes calls the process() method on a completion
event directly instead of scheduling it on the current tick. This
breaks some devices that assume that the completion handler won't be
called until the current event handler has returned. Specifically, it
causes infinite recursion in the IdeDisk component because it does not
advance its chunk generator until after a dmaRead()/dmaWrite() has
returned. This changeset removes this mico-optimization and schedules
the event in the current tick instead. This way the semantics event
handling stay the same even when the delay is 0.
/gem5/src/mem/
H A Dabstract_mem.ccdiff 10102:b5de69974a2e Fri Mar 07 15:56:00 EST 2014 Ali Saidi <ali.saidi@arm.com> mem: Wakeup sleeping CPUs without caches on LLSC

For systems without caches, the LLSC code does not get snoops for
wake-ups. We add the LLSC code in the abstract memory to do the job
for us.
H A Dtport.ccdiff 12823:ba630bc7a36d Thu Jul 19 13:56:00 EDT 2018 Robert Kovacsics <rmk35@cl.cam.ac.uk> mem: Rename Packet::checkFunctional to trySatisfyFunctional

Packet::checkFunctional also wrote data to/from the packet depending
on if it was read/write, respectively, which the 'check' in the name
would suggest otherwise. This renames it to doFunctional, which is
more suggestive. It also renames any function called checkFunctional
which calls Packet::checkFunctional. These are

- Bridge::BridgeMasterPort::checkFunctional
- calls Packet::checkFunctional
- MSHR::checkFunctional
- calls Packet::checkFunctional
- MSHR::TargetList::checkFunctional
- calls Packet::checkFunctional
- Queue<>::checkFunctional
(of src/mem/cache/queue.hh, not src/cpu/minor/buffers.h)
- Instantiated with Queue<WriteQueueEntry> and Queue<MSHR>
- WriteQueueEntry
- calls Packet::checkFunctional
- WriteQueueEntry::TargetList
- calls Packet::checkFunctional
- MemDelay::checkFunctional
- calls QueuedSlavePort/QueuedMasterPort::checkFunctional
- Packet::checkFunctional
- PacketQueue::checkFunctional
- calls Packet::checkFunctional
- QueuedSlavePort::checkFunctional
- calls PacketQueue::doFunctional
- QueuedMasterPort::checkFunctional
- calls PacketQueue::doFunctional
- SerialLink::SerialLinkMasterPort::checkFunctional
- calls Packet::doFunctional

Change-Id: Ieca2579c020c329040da053ba8e25820801b62c5
Reviewed-on: https://gem5-review.googlesource.com/11810
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
/gem5/src/mem/cache/prefetch/
H A DPrefetcher.pydiff 13700:56fa28e6fab4 Thu Jan 31 10:24:00 EST 2019 Javier Bueno <javier.bueno@metempsy.com> mem-cache: Added the Slim AMPM Prefetcher

Reference:
Towards Bandwidth-Efficient Prefetching with Slim AMPM.
Young, V., & Krishna, A. (2015). The 2nd Data Prefetching Championship.

Slim AMPM is composed of two prefetchers, the DPCT and the AMPM (both already
in gem5).

Change-Id: I6e868faf216e3e75231cf181d59884ed6f0d382a
Reviewed-on: https://gem5-review.googlesource.com/c/16383
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
/gem5/src/mem/cache/tags/
H A Dbase.hhdiff 12727:56c23b54bcb1 Wed May 02 19:14:00 EDT 2018 Nikos Nikoleris <nikos.nikoleris@arm.com> mem-cache: Fix include directives in the cache related classes

Change-Id: I111b0f662897c43974aadb08da1ed85c7542585c
Reviewed-on: https://gem5-review.googlesource.com/10433
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
/gem5/src/arch/x86/linux/
H A Dprocess.ccdiff 12592:29b4451fd0b5 Fri Mar 09 13:56:00 EST 2018 Jason Lowe-Power <jason@lowepower.com> arch-x86,sim-se: Bump kernel version to 3.2

Current glibc expects at least kernel 3.2. Bump this so syscall emulation
with dynamically-linked binaries works.

Change-Id: I07077ed2de14c308f6ff79cae677915612557332
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/8903
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>

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