configs/example/fs.py:
Add MOESI protocol to caches (uni coherence not quite working w/FS yet).
--HG--
extra : convert_revision : 7bef7d9c5b24bf7241cc810df692408837b06b86
Still a bug in atomic uni-coherence in FS.
src/cpu/o3/fetch_impl.hh:
src/cpu/o3/lsq_impl.hh:
src/cpu/simple/atomic.cc:
src/cpu/simple/timing.cc:
Make CPU models handle coherence requests
src/mem/cache/base_cache.cc:
Properly signal coherence CSHRs
src/mem/cache/coherence/uni_coherence.cc:
Only deallocate once
--HG--
extra : convert_revision : c4533de421c371c5532ee505e3ecd451511f5c99
Still need to rework upgrades into this system, but works for now.
src/mem/cache/base_cache.cc:
Re order code to be more readable
src/mem/cache/base_cache.hh:
Be sure to delete the copy on a bus block
src/mem/cache/cache_impl.hh:
Be sure to remove the copy on a writeback success
src/mem/cache/miss/mshr_queue.cc:
Demorgans to make it easier to understand
src/mem/tport.cc:
Delete writebacks
--HG--
extra : convert_revision : 9519fb37b46ead781d340de29bb342a322a6a92e
Still need to fix upgrades to use this path
src/mem/cache/base_cache.cc:
Copy the pkt to the MSHR before issuing the sendTiming where it may be changed/consumed
src/mem/cache/cache_impl.hh:
Use copy of packet, because sendTiming may have changed the pkt
Also, delete the copy when the time comes
--HG--
extra : convert_revision : 635cde6b4f08d010affde310c46b1caf50fbe424
Fix CSHR's for flow control.
Fix for Bus Bridges reusing packets (clean flags up)
Now both timing/atomic caches with MOESI in UP fail at same point.
src/dev/io_device.hh:
DMA's should send WriteInvalidates
src/mem/bridge.cc:
Reusing packet, clean flags in the packet set by bus.
src/mem/cache/base_cache.cc:
src/mem/cache/base_cache.hh:
src/mem/cache/cache.hh:
src/mem/cache/cache_impl.hh:
src/mem/cache/coherence/simple_coherence.hh:
src/mem/cache/coherence/uni_coherence.cc:
src/mem/cache/coherence/uni_coherence.hh:
Fix CSHR's for flow control.
src/mem/packet.hh:
Make a writeInvalidateResp, since the DMA expects responses to it's writes
--HG--
extra : convert_revision : 59fd6658bcc0d076f4b143169caca946472a86cd
src/mem/cache/base_cache.hh:
Remove top level param from cache
src/mem/cache/coherence/uni_coherence.cc:
Remove top level parameters from the cache
--HG--
extra : convert_revision : 4437aeedc20866869de7f9ab123dfa7baeebedf0
The response queue is not tying up an MSHR, should we change that or assume infinite storage for responses?
src/mem/cache/base_cache.cc:
src/mem/tport.cc:
Add in functional check of retry queued packets.
--HG--
extra : convert_revision : 0cb40b3a96d37a5e9eec95312d660ec6a9ce526a
src/base/traceflags.py:
src/mem/physical.cc:
Add debug falgs fro physical memory accesses
src/mem/cache/cache_impl.hh:
Snoops to uncacheable blocks should not happen
src/mem/cache/miss/miss_queue.cc:
Set the size properly on unCacheable accesses
--HG--
extra : convert_revision : fc78192863afb11fc7c591fba169021b9e127d16
src/cpu/memtest/memtest.cc:
src/cpu/memtest/memtest.hh:
Make Memtester able to test atomic as well
src/mem/bus.cc:
src/mem/bus.hh:
Handle atomic snoops properly for cache->cache transfers
src/mem/cache/cache_impl.hh:
Debug output.
Clean up memleak in atomic mode.
Set hitLatency.
Still need to send back reasonable number for atomic return value.
src/mem/packet.cc:
Add command strings for new commands
src/python/m5/objects/MemTest.py:
Add param to test atomic memory.
--HG--
extra : convert_revision : 43f880e29215776167c16ea90793ebf8122c785b
Fix bug with deadlocking
src/mem/cache/base_cache.cc:
Make sure to not wait anymore
--HG--
extra : convert_revision : 5f7b44a1c475820b9862275a0d6113ec2991735d
src/mem/cache/base_cache.cc:
When turning asserts into if's don't forget to invert.
Must be too sleepy.
--HG--
extra : convert_revision : ea38d5a4b4ddde7b5266b3b2c83bbc256218af9a
src/base/traceflags.py:
Add new flags for cacheport
src/mem/bus.cc:
Add debugging info
src/mem/cache/base_cache.cc:
Add debuggin info
--HG--
extra : convert_revision : a6c4b452466a8e0b50a86e886833cb6e29edc748
Update retry mechanism
src/mem/cache/base_cache.cc:
Rework the retry mechanism
src/mem/cache/base_cache.hh:
Rework the retry mechanism
Try to fix memory bug
src/mem/cache/cache_impl.hh:
Rework upgrades to not be blocked by slave
src/mem/cache/miss/mshr_queue.cc:
Fix mem leak on writebacks
--HG--
extra : convert_revision : 3cec234ee441edf398ec8d0f51a0c5d7ada1e2be
into zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest
src/mem/packet.hh:
Hand merge code
--HG--
extra : convert_revision : d659418f24f4f4bf9867fec8573a5d227c0dfcea
src/mem/cache/base_cache.cc:
Fix a bug about not having a request to send
src/mem/cache/base_cache.hh:
Fix a bug with the blocking code
src/mem/cache/cache.hh:
AFix a bug with snoop hits in WB buffer
src/mem/cache/cache_impl.hh:
Fix a bug with snoop hits in WB buffer
Also, add better DPRINTF's
src/mem/cache/miss/miss_queue.cc:
Fix a bug with upgrades (Need to clean it up later)
src/mem/cache/miss/mshr.cc:
Fix a memory leak bug, still some outstanding with writebacks not being deleted
src/mem/cache/miss/mshr_queue.cc:
Fix a bug about upgrades (need to clean up later)
src/mem/packet.hh:
Fix for newly added cmd attribute for upgrades
tests/configs/memtest.py:
More interesting testcase
--HG--
extra : convert_revision : fcb4f17dd58b537bb4f67a8c835f50e455e8c688
Not fully implemented yet, but good enough for single level cache coherence
src/mem/packet.hh:
Add a bit to distinguish invalidates and upgrades
--HG--
extra : convert_revision : 5bf50d535857cea37fbdaf7993915d1332cb757e
Remove some dead code.
src/mem/cache/cache_impl.hh:
Upgrades don't need a response.
Moved satisfied check into bus so removed some dead code.
src/mem/cache/coherence/coherence_protocol.cc:
src/mem/packet.hh:
Upgrades don't require a response
--HG--
extra : convert_revision : dee0440ff19ba4c9e51bf9a47a5b0991265cfc1d
src/cpu/memtest/memtest.cc:
Fix functional return path
src/cpu/memtest/memtest.hh:
Add snoop ranges in
src/mem/cache/base_cache.cc:
Properly signal NACKED
src/mem/cache/cache_impl.hh:
Catch nacked packet and panic for now
--HG--
extra : convert_revision : 59a64e82254dfa206681c5f987e6939167754d67
src/mem/cache/cache_impl.hh:
Add more usefull DPRINTF's
REmove the PC to get rid of asserts
--HG--
extra : convert_revision : 3f6d832b138d058dbe79bb5f42bd2db9c50b35b5
Don't use the senderState after you get a succesful sendTiming. Not guarnteed to be correct
src/mem/cache/base_cache.cc:
src/mem/cache/base_cache.hh:
src/mem/cache/cache.hh:
src/mem/cache/cache_impl.hh:
src/mem/cache/miss/blocking_buffer.cc:
src/mem/cache/miss/blocking_buffer.hh:
src/mem/cache/miss/miss_queue.hh:
Don't use the senderState after you get a succesful sendTiming. Not guarnteed to be correct
--HG--
extra : convert_revision : 2e8e812bf7fd3ba2b4cba7f7173cb41862f761af
src/mem/cache/cache_impl.hh:
Fix a error case by putting a panic in.
Make sure to propogate sendFunctional calls with functional not atomic.
--HG--
extra : convert_revision : 05d03f729a40cfa3ecb68bcba172eb560b24e897
into zeep.eecs.umich.edu:/home/gblack/m5/newmem_bus
src/mem/bus.cc:
Hand merged. Needs to be fixed
--HG--
extra : convert_revision : df03219ccfd18431cc726a063bd29d30554944a1
Fix an issue with memory handling writebacks.
src/mem/cache/base_cache.hh:
src/mem/tport.cc:
Only respond if the pkt needs a response.
src/mem/physical.cc:
Make physical memory respond to writebacks, set satisfied for invalidates/upgrades.
--HG--
extra : convert_revision : 7601987a7923e54a6d1a168def4f8133d8de19fd
For now, responses have priority over requests (may want to revist this).
src/mem/cache/base_cache.cc:
src/mem/cache/base_cache.hh:
Add mechanism for caches to handle failure of the fast path on responses.
--HG--
extra : convert_revision : 01524c727d1bb300cc21bdc989eb862ec8bf0b7a
src/mem/cache/cache_impl.hh:
Make sure to pop the list. Fixes infinite writeback bug.
src/mem/cache/miss/mshr_queue.cc:
Add an assert as sanity check in case .full() stops working again.
--HG--
extra : convert_revision : d847e49a397eeb0b7c5ac060fcfc3eaeac921311
Fix so that blocking for the same reason doesn't fail. I.E. multiple writebacks want to set the blocked flag.
src/mem/cache/miss/blocking_buffer.cc:
src/mem/cache/miss/miss_queue.cc:
src/mem/cache/miss/mshr.cc:
Remove threadnum from cache everywhere for now
--HG--
extra : convert_revision : 7890712147655280b4f1439d486feafbd5b18b2b
1) return the periodicity of checkpoints back into the code (i.e. make m5 checkpoint n m meaningful again).
2) to do this, i had to much around with being able to repeatedly schedule and SimLoopExitEvent, which led to changes in how exit simloop events are handled to make this easier.
src/arch/alpha/isa/decoder.isa:
src/mem/cache/cache_impl.hh:
modify arg. order for new calling convention of exitSimLoop.
src/cpu/base.cc:
src/sim/main.cc:
src/sim/pseudo_inst.cc:
src/sim/root.cc:
now, instead of creating a new SimLoopExitEvent, call a wrapper schedExitSimLoop which handles all the default args.
src/sim/sim_events.cc:
src/sim/sim_events.hh:
src/sim/sim_exit.hh:
add the periodicity of checkpointing back into the code.
to facilitate this, there are now two wrappers (instead of just overloading exitSimLoop). exitSimLoop is only for exiting NOW (i.e. at curTick), while schedExitSimLoop schedules and exit event for the future.
--HG--
extra : convert_revision : c61f4bf05517172edd2c83368fd10bb0f0678029
And small other tweaks to snooping coherence.
src/mem/cache/base_cache.hh:
Make timing response at the time of send.
src/mem/cache/cache.hh:
src/mem/cache/cache_impl.hh:
Update probe interface to be bi-directional for functional accesses
src/mem/packet.hh:
Add the function to create an atomic response to a given request
--HG--
extra : convert_revision : 04075a117cf30a7df16e6d3ce485543cc77d4ca6
Still need:
-Handle NACK's on the recieve side
-Distinguish top level caches
-Handle repsonses from caches failing the fast path
-Handle BusError and propogate it
-Fix the invalidate packet associated with snooping in the cache
src/mem/bus.cc:
Make sure to snoop on functional accesses
src/mem/cache/base_cache.cc:
Wait to make a request into a response until it is ready to be issued
src/mem/cache/base_cache.hh:
Support range changes for snoops
Set up snoop responses for cache->cache transfers
src/mem/cache/cache_impl.hh:
Only access the cache if it wasn't satisfied by cache->cache transfer
Handle snoop phases (detect block, then snoop)
Fix functional access to work properly (still need to fix snoop path for functional accesses)
--HG--
extra : convert_revision : 4c25f11d7a996c1f56f4f7b55dde87a344e5fdf8
src/mem/cache/base_cache.cc:
Add in retry path for blocking with multi-level caches
src/mem/cache/base_cache.hh:
Pull more of the blocking fixes into head
src/mem/packet.hh:
Fix typo
--HG--
extra : convert_revision : d4d149adfa414136ebd2c4789b739bb065710f7a
Nate needs to fix sinic builder stuff
Gabe needs to verify my fixes to decoder.isa
OPT/DEBUG compiles for ALPHA_FS, ALPHA_SE, MIPS_SE, SPARC_SE with this changeset
README:
Fix the swig version in the readme
src/SConscript:
remove sinic until nate fixes the builder crap for it
src/arch/alpha/system.hh:
src/arch/mips/isa/includes.isa:
src/arch/sparc/isa/decoder.isa:
src/base/stats/visit.cc:
src/base/timebuf.hh:
src/dev/ide_disk.cc:
src/dev/sinic.cc:
src/mem/cache/miss/mshr.cc:
src/mem/cache/miss/mshr_queue.cc:
src/mem/packet.hh:
src/mem/request.hh:
src/sim/builder.hh:
src/sim/system.hh:
fixes for gcc 4.1
--HG--
extra : convert_revision : 3775427c0047b282574d4831dd602c96cac3ba17
-Basically removed the ASID from places it is no longer needed due to PageTable
src/mem/cache/cache.hh:
src/mem/cache/cache_impl.hh:
src/mem/cache/miss/blocking_buffer.cc:
src/mem/cache/miss/blocking_buffer.hh:
src/mem/cache/miss/miss_queue.cc:
src/mem/cache/miss/miss_queue.hh:
src/mem/cache/miss/mshr.cc:
src/mem/cache/miss/mshr.hh:
src/mem/cache/miss/mshr_queue.cc:
src/mem/cache/miss/mshr_queue.hh:
src/mem/cache/prefetch/base_prefetcher.cc:
src/mem/cache/prefetch/base_prefetcher.hh:
src/mem/cache/tags/fa_lru.cc:
src/mem/cache/tags/fa_lru.hh:
src/mem/cache/tags/iic.cc:
src/mem/cache/tags/iic.hh:
src/mem/cache/tags/lru.cc:
src/mem/cache/tags/lru.hh:
src/mem/cache/tags/split.cc:
src/mem/cache/tags/split.hh:
src/mem/cache/tags/split_lifo.cc:
src/mem/cache/tags/split_lifo.hh:
src/mem/cache/tags/split_lru.cc:
src/mem/cache/tags/split_lru.hh:
Remove asid where it wasn't neccesary anymore due to Page Table
--HG--
extra : convert_revision : ab8bbf4cc47b9eaefa9cdfa790881a21d0e7bf28
src/mem/cache/base_cache.cc:
If we still have outstanding requests, need to schedule event again
src/mem/cache/miss/miss_queue.cc:
Need to use block size so overlapping requests match in the MSHR's
src/mem/cache/miss/mshr.cc:
Actually save the address, otherwise we can't match MSHR's
--HG--
extra : convert_revision : f0f018b89c2fb99f3ce8d6eafc0712ee8edeeda8
On the way towards multi-level caches (L2)
src/mem/cache/base_cache.cc:
src/mem/cache/base_cache.hh:
Fix address range calculation. Still need bus to handle snoop ranges.
--HG--
extra : convert_revision : 800078d88aab5e563f4a9bb599f91cd44f36e625
configs/test/test.py:
Update to use new cpu getPort functionality
src/cpu/base.cc:
Make cpu's a memObject to expose getPort interface
src/cpu/base.hh:
Make cpu's a memObject to export getPort interface
src/cpu/simple/atomic.cc:
src/cpu/simple/atomic.hh:
src/cpu/simple/timing.cc:
src/cpu/simple/timing.hh:
Now use the connector via getPort interface
src/mem/cache/base_cache.cc:
Make sure the cache recognizes all port names
--HG--
extra : convert_revision : dbfefa978ec755bc8aa6f962ae158acf32dafe61
Still need
1) detailed CPU (blocking ability in cache)
1a) Multiple outstanding requests (need to keep track of times for events)
2)Multi-level support
3)MP coherece support
4)LL/SC support
5)Functional path needs to be correctly implemented (temporarily works without multiple outstanding requests (simple cpu))
src/cpu/simple/timing.cc:
Temp hack because timing cpu doesn't export ports properly so single I/D cache communicates only through the Icache port.
src/mem/cache/base_cache.cc:
Handle marking MSHR's in service
Add support for getting CSHR's
src/mem/cache/base_cache.hh:
Make these functions visible at the base cache level
src/mem/cache/cache.hh:
make the functions virtual
src/mem/cache/cache_impl.hh:
Rename the function to make sense
src/mem/packet.hh:
Accidentally clearing the needsResponse field when sending a response back.
--HG--
extra : convert_revision : 2325d4e0b77e470fa9da91490317dc8ed88b17e2
src/mem/cache/base_cache.cc:
src/mem/cache/base_cache.hh:
src/mem/cache/cache.hh:
Changes to handle timing reads in Simple CPU (blocking buffers)
--HG--
extra : convert_revision : a2e7d4287d7cdfd1bbf9c929ecbeafde499a5b9f
Properly implement the MSHR allocate function.
src/cpu/simple/timing.cc:
Set the thread context in the CPU.
Need to do this properly, currently I just set it to Cpu=0 Thread=0. This will just cause all the stats in the cache based on these to just yield totals and not a distribution.
src/mem/cache/miss/mshr.cc:
Properly implement the allocate function for the MSHR.
--HG--
extra : convert_revision : bcece518e54ed1404db3196f996a77b4dd5c1c1e
Need to clean up a bunch of flags/hacks in the code. Then onto Timming mode.
Functional accesses also work properly, although not exactly how we wanted them. I'll need to clean that up as well.
src/cpu/simple/atomic.cc:
Atomic CPU needs to set thread context so stats work in cache. Temporarily just use CPU=0 ThreadID=0
src/mem/cache/cache_impl.hh:
Need to return success/failure properly still
Physical memory object doesn't assert SATISFIED anymore, need to remove that flag
src/mem/cache/tags/lru.cc:
Doesn't work if the REQ doesn't set it's ASID. Temporary fix use 0 always
--HG--
extra : convert_revision : d06a39684af593db699b64df9a29f80c61d8d050
Compile and initialization work, still working on functionality.
src/mem/cache/base_cache.cc:
Temp fix for cpu's use of getPort functionality. CPU's will need to be ported to the new connector objects.
Also, all packets have to have data or the delete fails.
src/mem/cache/cache.hh:
Fix function prototypes so overloading works
src/mem/cache/cache_impl.hh:
fix functions to match virtual base class
src/mem/cache/miss/miss_queue.cc:
Packets havve to have data, or delete fails
src/python/m5/objects/BaseCache.py:
Update for newmem
--HG--
extra : convert_revision : 2b6ad1e9d8ae07ace9294cd257e2ccc0024b7fcb
This now compiles.
src/mem/cache/base_cache.cc:
Fix getPort function that changed
src/mem/cache/base_cache.hh:
Fix get port function, provide default implementations of virtual functions in the base class
src/mem/cache/cache.hh:
Fix virtual function declerations
src/mem/cache/cache_builder.cc:
Fix params
src/mem/cache/cache_impl.hh:
src/mem/cache/miss/blocking_buffer.cc:
src/mem/cache/miss/miss_queue.cc:
src/mem/cache/miss/mshr.cc:
src/mem/cache/prefetch/base_prefetcher.cc:
src/mem/cache/tags/iic.cc:
src/mem/cache/tags/lru.cc:
Properly allocate data in packet
--HG--
extra : convert_revision : dedf8b0f76ab90b06b60f8fe079c0ae361f91a48
Some implementation details were left blank still, need to fill them in.
src/SConscript:
Reorder build to compile all files first
src/mem/cache/cache.hh:
src/mem/cache/cache_builder.cc:
src/mem/cache/cache_impl.hh:
src/mem/cache/coherence/coherence_protocol.cc:
src/mem/cache/coherence/uni_coherence.cc:
src/mem/cache/coherence/uni_coherence.hh:
src/mem/cache/miss/blocking_buffer.cc:
src/mem/cache/miss/miss_queue.cc:
src/mem/cache/miss/mshr.cc:
src/mem/cache/miss/mshr.hh:
src/mem/cache/miss/mshr_queue.cc:
More changesets pulled, now compiles everything in /miss directory and in the root directory
src/mem/packet.hh:
Add some more support, need to clean some of it out once everything is working
--HG--
extra : convert_revision : ba73676165810edf2c2effaf5fbad8397d6bd800
