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Commit Graph

574 Commits

Author SHA1 Message Date
Yunsup Lee
81d711e892 fix D$ bug; now D$ doesn't respond to prefetches 2012-11-17 20:06:13 -08:00
Andrew Waterman
29bc361d6c remove global constants; disentangle hwacha a bit 2012-11-17 17:24:08 -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
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
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
be1980dd2d refactored vector queue interface 2012-11-07 01:15:33 -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
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
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
Andrew Waterman
e9eca6a95d refactor I$ config; remove Top class 2012-11-04 16:59:36 -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$; gate clock more aggressively 2012-11-04 16:39:25 -08:00
Andrew Waterman
fedee6c67d add generic error correcting codes 2012-10-30 01:03:47 -07:00
Andrew Waterman
5773cbb68a rejigger htif to use UncoreConfiguration 2012-10-18 17:26:03 -07:00
Henry Cook
e2eb7ce8e9 Cleanup git incompetence 2012-10-16 16:54:58 -07:00
Henry Cook
88ac5af181 Merged consts-as-traits 2012-10-16 16:32:35 -07:00
Henry Cook
6cff1c13d8 Refer to traits moved to uncore, add UncoreConfiguration to top 2012-10-16 14:22:23 -07:00
Andrew Waterman
b9a2af697d turn off HAVE_VEC as it's currently broken
the new I$/frontend needs to be integrated
2012-10-16 07:38:19 -07:00
Andrew Waterman
0a640f2cc6 make DecodeLogic deterministic (hopefully) 2012-10-16 04:51:21 -07:00
Andrew Waterman
5821900329 don't refetch from I$ if on same 16B block 2012-10-16 02:24:38 -07:00
Andrew Waterman
b955985b38 improve divider QoR 2012-10-16 02:24:38 -07:00
Andrew Waterman
197154c485 use BTB for JALR 2012-10-16 02:24:37 -07:00
Andrew Waterman
fc648d13a1 remove old Mux1H; add implicit conversions 2012-10-16 02:24:37 -07:00
Andrew Waterman
661f8e635b merge I$, ITLB, BTB into Frontend 2012-10-16 02:24:37 -07:00
Andrew Waterman
fcd69dba98 add optional early-out to mul/div 2012-10-16 02:24:37 -07:00
Andrew Waterman
27ddff1adb simplify and improve multiplier 2012-10-16 02:24:37 -07:00
Henry Cook
8970b635b2 improvements to implicit RocketConfiguration parameter 2012-10-15 16:29:49 -07:00
Henry Cook
a7a4e65690 Initial verison of reading config from files 2012-10-15 16:05:50 -07:00
Henry Cook
5d2a470215 all rocket-specific arbiters in one file and refactored traits slightly 2012-10-15 16:05:32 -07:00
Huy Vo
1864e41361 memserdes + slowio out of rocket and into uncore 2012-10-10 15:25:24 -07:00
Huy Vo
fe21142972 fixed memdessert unpacking 2012-10-09 13:03:17 -07:00
Henry Cook
9025d0610c first pass at configuration object passed as implicit parameter 2012-10-07 22:37:29 -07:00
Henry Cook
dfdfddebe8 constants as traits 2012-10-07 22:20:03 -07:00
Henry Cook
b5ff436092 decode constant object split into multiple objects 2012-10-05 15:50:42 -07:00
Andrew Waterman
ed8cc4a1cf eliminate D$ probe->WB critical path 2012-10-04 09:05:14 -07:00
Huy Vo
e909093f37 factoring out uncore into separate uncore repo 2012-10-01 16:08:41 -07:00
Henry Cook
b9a9664de5 uncore and rocket changes for new xact types 2012-10-01 10:47:36 -07:00
Huy Vo
d9cb96c0ae factored out common stuff to ChiselUtil 2012-09-27 22:53:34 -07:00
Andrew Waterman
667b4ee858 remove Queue flush port (override reset instead) 2012-08-22 13:39:19 -07:00
Andrew Waterman
d4a001b867 add PriorityMux; use to implement PriorityEncoder 2012-08-22 13:38:25 -07:00
Andrew Waterman
743e032f06 generalize interface to DecodeLogic 2012-08-22 13:38:07 -07:00
Andrew Waterman
0f20771664 rename queue to Queue
fixes build with case-insensitive file system
2012-08-08 22:11:59 -07:00
Andrew Waterman
897a4e349b fix some LLC control bugs 2012-08-06 17:10:04 -07:00
Andrew Waterman
e9c35b4923 ameliorate DTLB kill->rdy critical path 2012-08-06 17:05:05 -07:00
Andrew Waterman
b94e6915ab refactor IPIs; use new tohost/fromhost protocol 2012-08-03 19:00:34 -07:00
Andrew Waterman
6510f020c7 fix deadlock in coherence hub 2012-08-03 19:00:03 -07:00
Andrew Waterman
e3726c4db0 fix control bug in LLC
structural hazard on tag ram caused deadlock
2012-08-03 18:59:37 -07:00
Andrew Waterman
def913096e pipeline LLC further 2012-07-31 17:45:14 -07:00
Andrew Waterman
3a8f3e0de5 further pipeline the LLC 2012-07-30 20:12:11 -07:00
Andrew Waterman
80c243469e add flow queues and skid buffers
hopefully they work
2012-07-30 18:47:12 -07:00
Andrew Waterman
be4fa936dd fix PriorityEncoderOH bug 2012-07-30 18:28:54 -07:00
Andrew Waterman
2ec76390e3 improve PriorityEncoderOH and add Counter util 2012-07-30 16:06:55 -07:00
Yunsup Lee
2af84f994a remove reset pin on llc 2012-07-28 21:14:51 -07:00
Yunsup Lee
0a1cd1175c add reset pin to llc 2012-07-27 18:44:39 -07:00
Huy Vo
db91c4cf6c hwacha 2012-07-27 18:13:20 -07:00
Huy Vo
32a16d183f consts file doesn't depend on WIDTH_PVFB if HAVE_PVFB == false 2012-07-27 18:13:20 -07:00
Andrew Waterman
130fa95ed6 expand HTIF's PCR register space 2012-07-27 14:52:39 -07:00
Andrew Waterman
7778802395 reduce number of outstanding transactions 2012-07-26 14:51:41 -07:00
Andrew Waterman
9c50621a19 remove chip-specific uncore gunk 2012-07-26 03:26:52 -07:00
Andrew Waterman
a5bea4364f memory system bug fixes 2012-07-26 00:05:21 -07:00
Yunsup Lee
3a2b305ddf change htif width to 16 2012-07-25 17:25:50 -07:00
Andrew Waterman
177dbdadd9 merge HTIF port and backup memory port 2012-07-25 00:18:02 -07:00
Yunsup Lee
309193dd07 change llc size 2012-07-24 14:10:29 -07:00
Yunsup Lee
6541cf22a4 fix bug in coherence hub, respect xact_rep.ready 2012-07-23 20:56:55 -07:00
Yunsup Lee
f4e3e72ad1 hoist HTIF_WIDTH out to consts 2012-07-23 17:30:04 -07:00
Andrew Waterman
a21c355114 fix htif split request/response 2012-07-23 17:15:16 -07:00
Andrew Waterman
938effc053 don't dequeue probe queue during reset 2012-07-22 21:05:52 -07:00
Yunsup Lee
379f021359 change ioHTIF interface between the tile/uncore boundary to cope with asynchrony 2012-07-22 18:26:02 -07:00
Yunsup Lee
c892950bf1 hoist out uncore as its own component 2012-07-22 17:48:17 -07:00
Huy Vo
0a97d6ab4d type casting 2012-07-18 13:03:35 -07:00
Andrew Waterman
f42c6afed2 decouple all interfaces between tile and top
also, add an "incoherent" bit to tilelink to indicate no probes needed
2012-07-17 22:55:40 -07:00
Andrew Waterman
4e44ed7400 allow back pressure on IPI requests 2012-07-17 22:55:40 -07:00
Yunsup Lee
f633a55722 fix dcache tag array size 2012-07-16 22:19:03 -07:00
Andrew Waterman
e496cd7584 use Mem to implement queues to speed things up 2012-07-13 21:48:05 -07:00
Huy Vo
fd95159837 INPUT/OUTPUT orderring swapped 2012-07-12 18:16:57 -07:00
Andrew Waterman
bac82762d3 use only one (wide) tag ram for set assoc. caches 2012-07-12 14:50:12 -07:00
Andrew Waterman
429fcbed8e fix some LLC bugs 2012-07-11 17:56:39 -07:00
Andrew Waterman
f645fb4dd7 add L2$
It still has performance bugs but no correctness bugs AFAIK.
2012-07-10 05:23:29 -07:00
Andrew Waterman
5035374f36 update to new chisel 2012-07-08 17:59:41 -07:00
Andrew Waterman
39d198ecdc fix htif handling of large memory reads 2012-06-26 19:12:11 -07:00
Andrew Waterman
4e5f874266 update to new chisel/hwacha 2012-06-08 00:13:14 -07:00
Huy Vo
a99cebb483 ioDecoupled -> FIFOIO, ioPipe -> PipeIO 2012-06-06 18:22:56 -07:00
Huy Vo
04304fe788 moving util out into Chisel standard library 2012-06-06 12:51:26 -07:00
Huy Vo
c975c21e44 views removed 2012-06-06 12:51:26 -07:00
Andrew Waterman
943b6d0616 remove debug println 2012-06-06 02:48:48 -07:00
Andrew Waterman
7f6319047e update to new scala/chisel/Mem 2012-06-06 02:47:22 -07:00
Huy Vo
7408c9ab69 removing wires 2012-05-24 10:42:39 -07:00