Andrew Waterman
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64674d4d39
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clean up PTW and support PADDR_BITS < VADDR_BITS
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2012-11-26 20:38:45 -08:00 |
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Andrew Waterman
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608f65e716
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don't wastefully read 2x the bits from D$ RAMs
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2012-11-26 20:34:30 -08:00 |
|
Andrew Waterman
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352bb464b5
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clock gate X/M and M/W store data registers
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2012-11-26 20:33:41 -08:00 |
|
Andrew Waterman
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8a6ff5f9aa
|
fix D$ writeback bug
I swear I did this last week... perhaps I am finally losing it!
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2012-11-25 19:46:48 -08:00 |
|
Andrew Waterman
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de2f28193a
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get rid of more global constants
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2012-11-25 04:24:25 -08:00 |
|
Andrew Waterman
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c036cdc1ea
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add option for 2-cycle load-use delay
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2012-11-24 22:01:08 -08:00 |
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Andrew Waterman
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b514c7b725
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clean up I$ parity code
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2012-11-24 22:00:43 -08:00 |
|
Andrew Waterman
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55082e45c4
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add AVec, which automatically infers element type
should consider modifying Vec as such
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2012-11-24 18:19:28 -08:00 |
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Andrew Waterman
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2b26082132
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use 1r1w ram for tags; merge tags & permissions
setting the dirty bit now allocates an MSHR (to reuse the existing datapath)
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2012-11-20 04:09:26 -08:00 |
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Andrew Waterman
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72f94d1141
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fix virtual address sign extension detection
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2012-11-20 04:06:57 -08:00 |
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Andrew Waterman
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30038bda8a
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bypass stores to subsequent loads
since we handle subword stores as RMW operations, this occurs frequently
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2012-11-20 01:33:32 -08:00 |
|
Yunsup Lee
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395e4e3dd6
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andrew'x fix for D$ corner case in writeback->abort->probe
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2012-11-18 03:11:06 -08:00 |
|
Yunsup Lee
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06eeb90e2a
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vector unit interfaces to the new D$
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2012-11-17 20:07:41 -08:00 |
|
Yunsup Lee
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81d711e892
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fix D$ bug; now D$ doesn't respond to prefetches
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2012-11-17 20:06:13 -08:00 |
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Andrew Waterman
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29bc361d6c
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remove global constants; disentangle hwacha a bit
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2012-11-17 17:24:08 -08:00 |
|
Andrew Waterman
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5a7777fe4d
|
clock gate integer datapath more aggressively
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2012-11-17 06:48:44 -08:00 |
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Andrew Waterman
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cc067026a2
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pipeline D$ response -> FPU regfile
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2012-11-17 06:48:11 -08:00 |
|
Andrew Waterman
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e68b039133
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fix misc. D$ control bugs
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2012-11-17 06:47:27 -08:00 |
|
Andrew Waterman
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dad7b71062
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provide cmd/addr with cache response
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2012-11-16 21:26:12 -08:00 |
|
Andrew Waterman
|
cb8ac73045
|
provide store data with cache response
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2012-11-16 21:15:13 -08:00 |
|
Andrew Waterman
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9e010beffe
|
fix D$ refill bug
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2012-11-16 21:05:29 -08:00 |
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Andrew Waterman
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8dce89703a
|
new D$ with better QoR and AMO pipelining
Vector unit is disabled because nack handling needs to be fixed.
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2012-11-16 02:39:33 -08:00 |
|
Andrew Waterman
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a90a1790a5
|
improve tlb qor
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2012-11-16 01:59:38 -08:00 |
|
Andrew Waterman
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ff8c736d94
|
move icache invalidate out of request bundle
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2012-11-16 01:55:45 -08:00 |
|
Andrew Waterman
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6d10115b19
|
fix D$ tag width
|
2012-11-15 16:46:39 -08:00 |
|
Yunsup Lee
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be1980dd2d
|
refactored vector queue interface
|
2012-11-07 01:15:33 -08:00 |
|
Yunsup Lee
|
8764fe786a
|
refactored vector tlb
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2012-11-06 23:53:52 -08:00 |
|
Yunsup Lee
|
9a02298f6f
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andrew's fix for tlb lockup
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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
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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 |
|