Commit graph

3312 commits

Author SHA1 Message Date
Ron Dreslinski
210e73f2a2 Small changes:
?? doesn't compile in warn statements
Should have been false, where I had a true.

src/cpu/o3/lsq_impl.hh:
    Apparently you can't have ?? in a warn statement (Something about trigraphs)
src/mem/cache/cache_impl.hh:
    Forgot to signal atomic mode in snoopProbe

--HG--
extra : convert_revision : c75cb76e193e852284564993440c8ea39e6de426
2006-10-19 20:18:17 -04:00
Ron Dreslinski
e34e564f79 Fixes to get single level uni-coherence to work.
Now to try L2 caches in FS.

src/mem/cache/base_cache.hh:
    Fix uni-coherence for atomic accesses in coherence protocol access to port
src/mem/cache/cache_impl.hh:
    Properly handle uni-coherence
src/mem/cache/coherence/simple_coherence.hh:
    Properly forward invalidates (not done for MSI+ protocols (assumed top level for now)
src/mem/cache/coherence/uni_coherence.cc:
src/mem/cache/coherence/uni_coherence.hh:
    Properly forward invalidates in atomic/timing uni-coherence

--HG--
extra : convert_revision : f0f11315e8e7f32c19d92287f6f9c27b079c96f7
2006-10-19 20:02:57 -04:00
Ron Dreslinski
9cf063eb8e Merge zizzer:/bk/newmem
into  zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest

--HG--
extra : convert_revision : c6611b32537918f5bf183788227ddf69a9a9a069
2006-10-19 19:00:43 -04:00
Ron Dreslinski
39d24f7241 Always get the functional access from the highest level of cache first.
src/mem/cache/cache_impl.hh:
    Get the read data from the highest level of cache on a functional access

--HG--
extra : convert_revision : 7437ac46fb40f3ea3b42197a1aa8aec62af60181
2006-10-19 19:00:27 -04:00
Ron Dreslinski
bf917535f8 Also mark the packet as successful.
--HG--
extra : convert_revision : 2c38c209d2f5cb0ee2f8e55fce6ee4400529d547
2006-10-19 18:29:42 -04:00
Ron Dreslinski
50f5ba5d96 Properly update the state in the cache block on functional access.
Mark as satisfied for functional snoops.

--HG--
extra : convert_revision : f75309c3436044a64caff097e2a585363cd004c3
2006-10-19 14:55:54 -04:00
Steve Reinhardt
11f0badbaa Merge zizzer.eecs.umich.edu:/z/m5/Bitkeeper/newmem
into  zizzer.eecs.umich.edu:/z/stever/bk/newmem-head

--HG--
extra : convert_revision : 8a70922250092c013fa4db6d83254b438ee6c4be
2006-10-19 13:33:08 -04:00
Steve Reinhardt
a78e92381b Add "All" compund flag to enable all defined trace flags.
--HG--
extra : convert_revision : dcc699d8341f762dee659290cd35206e326e1179
2006-10-19 10:32:08 -07:00
Steve Reinhardt
e78684fc6c Add new event priority for trace enable events so
that tracing gets turned on as the very first thing
in the selected cycle (tick).

--HG--
extra : convert_revision : c08f749ca42782af1b48e5aa5f0860bf7076bd3c
2006-10-19 10:21:23 -07:00
Steve Reinhardt
bba3dfb0d3 First cut at LL/SC support in caches (atomic mode only).
configs/example/fs.py:
    Add MOESI protocol to caches (uni coherence not quite working w/FS yet).

--HG--
extra : convert_revision : 7bef7d9c5b24bf7241cc810df692408837b06b86
2006-10-19 00:33:33 -07:00
Lisa Hsu
75ecd3be60 how did i not commit this already? the other way doesn't seem to work, need to convert to System ptr first to access System method.
src/python/m5/SimObject.py:
    how did i not commit this already?  the other way doesn't seem to work.

--HG--
extra : convert_revision : 55737d3d10742a1913a376d1febbc5809f2fab8f
2006-10-18 18:04:53 -04:00
Lisa Hsu
15770fb7b4 need some initializations before doing the loop.
--HG--
extra : convert_revision : e5e8b16ae4f119c923d8c0d295aa9569d7a8fe5b
2006-10-18 18:01:33 -04:00
Lisa Hsu
c2c48645c9 only do this assert after you know you're not switched out or idle.
--HG--
extra : convert_revision : 0cd0d31db44fe7e8e44bde90e1756873faca422f
2006-10-18 17:59:11 -04:00
Ron Dreslinski
5bcdc74fe2 Fix WriteInvalidateResp
--HG--
extra : convert_revision : ac4281944202a9a2f166b305a1eaea507e484bcc
2006-10-18 16:38:02 -04:00
Ron Dreslinski
63c2a782d6 Merge zizzer:/bk/newmem
into  zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest

--HG--
extra : convert_revision : 9e47881686a6c060fa28e7edfd9a0b556099bf30
2006-10-18 13:34:52 -04:00
Steve Reinhardt
0e2561710b Break a lot of overly long lines.
Factor out some asserts that were on both
sides of an if/else.

--HG--
extra : convert_revision : 78f0c2d76a81a98216b2f281159c6b6ea0147731
2006-10-18 08:41:05 -07:00
Steve Reinhardt
caf123586f Get rid of doData() lines (were already commented out).
Reindent due to resulting changes in nesting.

--HG--
extra : convert_revision : 6be099d572efb618efb08fbc06d7e0e4b5b4cab2
2006-10-18 08:24:24 -07:00
Steve Reinhardt
6cd187e1f0 Get rid of obsolete in-cache copy support.
--HG--
extra : convert_revision : a701ed9d078c67718a33f4284c0403a8aaac7b25
2006-10-18 08:16:22 -07:00
Steve Reinhardt
0128b73d05 Add --caches option to add caches to server CPUs.
--HG--
extra : convert_revision : 6aa97dcc807e175215e73c638faf73be926d4cd4
2006-10-17 23:30:11 -07:00
Steve Reinhardt
f735399b39 Include packet_impl.hh (need this on my laptop,
but not on zizzer... g++ 4 thing maybe?)

--HG--
extra : convert_revision : 31c49f1c55fe9daf6365411bfb5bb7f6ccc8032d
2006-10-17 21:16:17 -07:00
Steve Reinhardt
05c487ef3c Enable MP systems via cmd-line flag in fs.py.
configs/example/fs.py:
    Add flag for MP server systems.
src/python/m5/objects/AlphaConsole.py:
src/python/m5/objects/IntrControl.py:
    Change CPU from 'any' to 'cpu[0]' to work better with MP sytems.
tests/configs/tsunami-simple-atomic-dual.py:
tests/configs/tsunami-simple-timing-dual.py:
    Don't need to set console & intrcontrol cpu
    params anymore (default is fixed now).

--HG--
extra : convert_revision : 9417b12b1b395ff7d6a9f2894e4123923c754daf
2006-10-17 21:15:11 -07:00
Ali Saidi
e51b075a27 add code to serialize se structures. Lisa is working on the python side of things and will test
src/mem/page_table.cc:
src/mem/page_table.hh:
    add code to serialize/unserialize page table
src/sim/process.cc:
src/sim/process.hh:
    add code to serialize/unserialize process

--HG--
extra : convert_revision : ee9eb5e2c38c5d317a2f381972c552d455e0db9e
2006-10-17 19:38:36 -04:00
Ron Dreslinski
9c582c7e14 Fixes for uni-coherence in timing mode for FS.
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
2006-10-17 18:50:19 -04:00
Ron Dreslinski
4fff6d4603 Fixes to cache eliminating the assumption that the Packet is still valid after sending out a request.
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
2006-10-17 16:47:22 -04:00
Ron Dreslinski
6e8bfa4e63 Properly chack the pkt pointer on upgrades to insure no segfaults when writebacks delete the packet.
--HG--
extra : convert_revision : 72b1c6296a16319f4d16c62bc7038365654dbc40
2006-10-17 15:07:40 -04:00
Ron Dreslinski
288b98eb69 Fix it so that the cache does not assume to gave the packet it sent out via sendTiming.
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
2006-10-17 15:05:21 -04:00
Ron Dreslinski
db6cc97e31 Merge zizzer:/bk/newmem
into  zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest

--HG--
extra : convert_revision : e33d535feb0c3d975dc043efdc86efe0df05800c
2006-10-17 14:28:17 -04:00
Steve Reinhardt
96737c8a9b Rename 'Machine' to 'SysConfig'.
Clean up a little.

--HG--
extra : convert_revision : db5f36776209c76a593205c46b08aa147358f33a
2006-10-17 11:08:49 -07:00
Ron Dreslinski
685e588b45 Merge zizzer:/bk/newmem
into  zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest

--HG--
extra : convert_revision : c3650273684f3fbdcd2e14e95d09ee3c6de8d6b6
2006-10-17 14:05:23 -04:00
Steve Reinhardt
9202422d6e Get rid of unused CacheBlk << output operator.
--HG--
extra : convert_revision : d5c0aadc35edf5c9495afcd3375f1f64716ef845
2006-10-14 02:09:05 -04:00
Gabe Black
c2a6550366 Merge 141.212.106.238:/home/gblack/m5/newmem_bus
into  zizzer.eecs.umich.edu:/.automount/wexford/x/gblack/m5/newmem_bus

--HG--
extra : convert_revision : ff15f3805a9ed9aa81e92013d5b57399a30720bb
2006-10-13 19:09:46 -04:00
Gabe Black
d83ccdfe5d Fix stats for new bus model
--HG--
extra : convert_revision : c081754c8eb8fa5b8e7336deb3fefb545789b8ac
2006-10-13 18:59:29 -04:00
Kevin Lim
a50e83c134 Fix assertion. I haven't tested it fully (I can't reproduce Lisa's error) but I believe it should fix what she's running into (which was definitely a bug).
src/cpu/o3/fetch_impl.hh:
    Move assertion to area where it should really always be true.  Sometimes you might recvRetry and not necessarily be blocked (if there was a squash).

--HG--
extra : convert_revision : 76ad35357e7f4c44fa544ffed071096a62053018
2006-10-13 17:35:23 -04:00
Ron Dreslinski
1871495b8d Merge zizzer:/bk/newmem
into  zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest

--HG--
extra : convert_revision : f62790e46a7e3eb88a6f8c7bfaa08526285248a3
2006-10-13 15:47:35 -04:00
Ron Dreslinski
a17afb1649 Fix for DMA's in FS caches.
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
2006-10-13 15:47:05 -04:00
Ali Saidi
ca4063ac00 fix a bug in CopyStringOut. dprintk appears to work again.
--HG--
extra : convert_revision : cd0d13a85ddc7599308db8604a8f63a48679cc05
2006-10-13 14:28:46 -04:00
Lisa Hsu
339b1f8516 Merge zizzer:/bk/newmem
into  zed.eecs.umich.edu:/z/hsul/work/m5/newmem

src/cpu/simple/timing.cc:
    hand merge

--HG--
extra : convert_revision : 083bf102249ad9bc63c447dbf85d3863f935f647
2006-10-12 18:56:57 -04:00
Ali Saidi
3d2764acf3 replace functional code in tport with fixPacket().
fixPacket() should be used anywhere a functional packet and timing packet are found to have the same address.

--HG--
extra : convert_revision : 783ec438271b24ddb0ae742b4efd1ed7d6be93f3
2006-10-12 15:30:30 -04:00
Korey Sewell
e11c0d380a Merge zizzer:/bk/newmem
into  zooks.eecs.umich.edu:/y/ksewell/research/m5-sim/cleanrepo

--HG--
extra : convert_revision : f02fd56fc1ec658fe2a81d0e0b0d053b7606f7f2
2006-10-12 15:05:29 -04:00
Korey Sewell
790e746bd9 config file updates
--HG--
extra : convert_revision : b873e0b436d71d86b87b8d9df7115bcc7ceb2b50
2006-10-12 15:04:14 -04:00
Ron Dreslinski
eddbb6801f Fix CSHR retrys
--HG--
extra : convert_revision : caa7664f6c945396fa38ce62fbda018ebed4eaa6
2006-10-12 15:02:56 -04:00
Ali Saidi
4a96779350 Merge zizzer:/bk/newmem
into  zeep.pool:/z/saidi/work/m5.newmem.head

--HG--
extra : convert_revision : 0e184a0784100112db5841c587bd3dd638f8bdc0
2006-10-12 15:02:50 -04:00
Ali Saidi
0615d92d33 small bus updates for functional accesses
--HG--
extra : convert_revision : c7a6b199c74ed4b4ffab14bbffb51e72d75b7742
2006-10-12 15:02:25 -04:00
Korey Sewell
1ebe4b0dec Merge zizzer:/bk/newmem
into  zooks.eecs.umich.edu:/y/ksewell/research/m5-sim/cleanrepo

--HG--
extra : convert_revision : 86abc4dabb7c72edc90fae951314d6a6b5c73705
2006-10-12 14:36:41 -04:00
Korey Sewell
665901de8a Add test binary & inputs
--HG--
extra : convert_revision : efc0249ae6f51b9f4f49741aafb2cad21e1fb11e
2006-10-12 14:36:21 -04:00
Ron Dreslinski
3aaa3456dc Merge zizzer:/bk/newmem
into  zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest

--HG--
extra : convert_revision : fa5b2cfa79d87a0612b8116d407a8b2959d9095a
2006-10-12 14:31:31 -04:00
Ron Dreslinski
fe230ddb8f Remove bus and top level parameters from cache
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
2006-10-12 14:21:25 -04:00
Ali Saidi
2c9d506f46 Merge zizzer:/bk/newmem
into  zeep.pool:/z/saidi/work/m5.newmem.head

src/mem/packet.hh:
    hand merge

--HG--
extra : convert_revision : 3f77707360235dc98c6b12a0367ca64a401313df
2006-10-12 14:18:42 -04:00
Ali Saidi
3ba2ed6aef add a traceflag for functional accesses
implement fix packet and add the ability to print a packet to a ostream
remove tabs in packet.hh (Could people stop inserting them??!?!?!)
mark const functions in packet.hh as such

src/base/traceflags.py:
    add a traceflag for functional accesses
src/mem/packet.cc:
    implement fix packet and add the ability to print a packet to a ostream
src/mem/packet.hh:
    add the ability to print a packet to an ostream
    remove tabs in file
    mark const functions as such

--HG--
extra : convert_revision : 4297bce5e1d3abbab48be5bd9eb9e982b751fc7c
2006-10-12 14:15:09 -04:00
Ron Dreslinski
f89b56b61a Check the response queue on functional accesses.
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
2006-10-12 13:59:03 -04:00