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Commit Graph

4505 Commits

Author SHA1 Message Date
Andrew Waterman
72f94d1141 fix virtual address sign extension detection 2012-11-20 04:06:57 -08:00
Andrew Waterman
30038bda8a bypass stores to subsequent loads
since we handle subword stores as RMW operations, this occurs frequently
2012-11-20 01:33:32 -08:00
Yunsup Lee
4d73e6e38a revamp vector yet again with new D$ 2012-11-18 03:14:22 -08:00
Yunsup Lee
6bd4f93f8c pull out prefetch commands from isRead 2012-11-18 03:13:17 -08:00
Yunsup Lee
395e4e3dd6 andrew'x fix for D$ corner case in writeback->abort->probe 2012-11-18 03:11:06 -08:00
Yunsup Lee
06eeb90e2a vector unit interfaces to the new D$ 2012-11-17 20:07:41 -08:00
Yunsup Lee
81d711e892 fix D$ bug; now D$ doesn't respond to prefetches 2012-11-17 20:06:13 -08:00
Andrew Waterman
7bcf59a18f support continous compilation via "make test"
for c++ emulator only, for now
2012-11-17 19:58:18 -08:00
Andrew Waterman
b58214d7e3 remove more global constants 2012-11-17 17:25:43 -08:00
Andrew Waterman
29bc361d6c remove global constants; disentangle hwacha a bit 2012-11-17 17:24:08 -08:00
Andrew Waterman
cf05b604b3 upgrade to new rocket; improve vlsi makefiles 2012-11-17 07:21:29 -08:00
Andrew Waterman
5a7777fe4d clock gate integer datapath more aggressively 2012-11-17 06:48:44 -08:00
Andrew Waterman
cc067026a2 pipeline D$ response -> FPU regfile 2012-11-17 06:48:11 -08:00
Andrew Waterman
e68b039133 fix misc. D$ control bugs 2012-11-17 06:47:27 -08:00
Andrew Waterman
dad7b71062 provide cmd/addr with cache response 2012-11-16 21:26:12 -08:00
Andrew Waterman
cb8ac73045 provide store data with cache response 2012-11-16 21:15:13 -08:00
Andrew Waterman
9e010beffe fix D$ refill bug 2012-11-16 21:05:29 -08:00
Andrew Waterman
672e904c86 update to new rocket/uncore 2012-11-16 02:41:50 -08:00
Andrew Waterman
8dce89703a new D$ with better QoR and AMO pipelining
Vector unit is disabled because nack handling needs to be fixed.
2012-11-16 02:39:33 -08:00
Andrew Waterman
3e6dc35809 issue self-probes for uncached read transactions
this facilitates I$ coherence.  but it seems like a hack and perhaps
the mechanism should be rethought.
2012-11-16 02:37:56 -08:00
Andrew Waterman
a90a1790a5 improve tlb qor 2012-11-16 01:59:38 -08:00
Andrew Waterman
ff8c736d94 move icache invalidate out of request bundle 2012-11-16 01:55:45 -08:00
Andrew Waterman
6d10115b19 fix D$ tag width 2012-11-15 16:46:39 -08:00
Yunsup Lee
1a91637673 refactored vector queue interface 2012-11-07 01:16:02 -08:00
Yunsup Lee
be1980dd2d refactored vector queue interface 2012-11-07 01:15:33 -08:00
Yunsup Lee
29d4c0b857 refactored tlb 2012-11-06 23:54:14 -08:00
Yunsup Lee
8764fe786a refactored vector tlb 2012-11-06 23:53:52 -08:00
Yunsup Lee
9a02298f6f andrew's fix for tlb lockup 2012-11-06 23:52:58 -08:00
Andrew Waterman
e2afae011a factor out global constants 2012-11-06 08:18:40 -08:00
Andrew Waterman
4d1ca8ba3a remove more global consts; refactor DTLBs
D$ now contains DTLB. provide full VAddr with initial request.
VU now has its own DTLBs.
2012-11-06 08:13:44 -08:00
Andrew Waterman
e76892f758 remove more global constants 2012-11-06 02:55:45 -08:00
Andrew Waterman
c5b93798fb factor out more global constants 2012-11-05 23:52:32 -08:00
Yunsup Lee
1305372ce7 refactor flush logic 2012-11-05 23:01:08 -08:00
Yunsup Lee
9844ba1c1d revamp the vector unit with the new frontend
HAVE_PVFB is still broken, we need to multi-thread the frontend
2012-11-05 01:44:02 -08:00
Yunsup Lee
ee081d1671 modify code to fix UFix := Bits error 2012-11-05 01:35:55 -08:00
Yunsup Lee
2a25307a8f revamp the vector unit with the new frontend 2012-11-05 01:35:55 -08:00
Andrew Waterman
5b20ed71be move rd=0 check into bypass logic
before, the check was in the write enable logic, but moving it obviated
an awkward corner case for mtpcr with rd=0.
2012-11-05 01:30:57 -08:00
Andrew Waterman
5e103054fd fix bug in quine mccluskey 2012-11-05 00:28:25 -08:00
Yunsup Lee
dd6ee2571d add vector vm tests 2012-11-04 19:29:56 -08:00
Andrew Waterman
0c372fc9ec refactor I$ config into RocketConfiguration 2012-11-04 17:00:19 -08:00
Andrew Waterman
e9eca6a95d refactor I$ config; remove Top class 2012-11-04 16:59:36 -08:00
Andrew Waterman
4ed2d614a2 update to new rocket; retime fpu in dc-syn 2012-11-04 16:43:02 -08:00
Andrew Waterman
7380c9fe60 aggressively clock gate int and fp datapaths 2012-11-04 16:40:14 -08:00
Andrew Waterman
bd2d61de03 use 8T SRAM for I$; gate clock more aggressively 2012-11-04 16:39:25 -08:00
Andrew Waterman
fedee6c67d add generic error correcting codes 2012-10-30 01:03:47 -07:00
Henry Cook
0cd0f8a9db Initial version of migratory protocol 2012-10-23 18:01:53 -07:00
Henry Cook
538b23c223 Initial version of using sbt tasks to elaborate chisel source and invoke backends' makefiles 2012-10-23 12:52:59 -07:00
Henry Cook
17d2bd8926 Initial version of sbt tasks (elaborate task with no parameters) 2012-10-23 12:52:00 -07:00
Yunsup Lee
3edc1f42aa revamp the backup memory link in the vlsi backend 2012-10-23 03:31:34 -07:00
Andrew Waterman
367b5489d1 first crack at continuous compilation/testing flow
try it out: cd emulator; make test
2012-10-19 04:09:07 -07:00