riscv/rocket-chip
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Author SHA1 Message Date
Andrew Waterman
1501e90c1f interlock probe unit on tag RAW hazards 2013-04-30 00:38:22 -07:00
Yunsup Lee
a2f584e928 add riscv-tests, get rid of riscv-asmtests-bmarks 2013-04-29 19:29:51 -07:00
Henry Cook
12d394811e Allow release data to be written out even before all releases have been collected 2013-04-29 18:48:31 -07:00
Henry Cook
e8b20f3d38 clear meta state of silently-dropped, clean evictee, so as to prevent a write race on meta array between probes on evictee and refill grant 2013-04-25 17:41:04 -07:00
Yunsup Lee
7fe052e1bf update README 2013-04-24 02:05:28 -07:00
Yunsup Lee
9114012def assmebly tests are now built from riscv-tests 2013-04-24 01:59:14 -07:00
Yunsup Lee
93df795e48 change LLC leaf SRAM size 2013-04-22 11:06:50 -07:00
Andrew Waterman
7f5282d355 replace RDNPC with AUIPC 2013-04-22 04:21:46 -07:00
Andrew Waterman
50ccc20bf3 replace RDNPC with AUIPC 2013-04-22 04:20:15 -07:00
Huy Vo
2ac3fd5306 get rid of init_node 2013-04-20 01:36:32 -07:00
Huy Vo
0d87e3bacc fixed init pin generation 2013-04-20 00:38:01 -07:00
Henry Cook
a01cdf95fd tell physical networks carring cache lines to lock arbitration for REFILL_CYCLES pumps 2013-04-10 13:53:27 -07:00
Henry Cook
db5a060c7d fix io dir 2013-04-10 13:47:30 -07:00
Henry Cook
766d5622b1 Prevent messages from becoming interleaved in the BasicCrossbar. Remove dependency trackers from the uncore, use msg headers instead. Have one ReleaseHnadler per core for now. 2013-04-10 13:46:31 -07:00
Henry Cook
d7982bf27f bump uncore for grant fix 2013-04-09 14:29:49 -07:00
Henry Cook
74187c2068 Always route voluntary releases to ReleaseTracker to ensure all grants are sent 2013-04-09 14:09:55 -07:00
Andrew Waterman
7ea782fd22 add LR/SC 2013-04-07 19:36:15 -07:00
Andrew Waterman
ae7720e284 guarantee LR/SC forward progress 
the mechanism is to block new probes for several cycles after a successful LR.

this also cleans up the MSHR <-> ProbeUnit interface slightly.
 2013-04-07 19:27:21 -07:00
Andrew Waterman
7ff5b5b86f treat load-reserved as a non-dirtying store 2013-04-07 19:25:26 -07:00
Andrew Waterman
3479f1c6cd add LR/SC support 2013-04-07 19:25:20 -07:00
Andrew Waterman
e74e032c87 simplify MSHR memory response logic 2013-04-06 01:03:37 -07:00
Andrew Waterman
1abb9277db fix LR/SC atomicity violation 
note, it's still not starvation-free.
 2013-04-05 19:13:38 -07:00
Andrew Waterman
8cbdeb2abf add LR/SC support 2013-04-04 17:07:09 -07:00
Andrew Waterman
fc46daecf6 don't flush pipeline on writes to side-effect-free PCRs 
notably, K0, K1, and EPC
 2013-04-04 17:07:09 -07:00
Andrew Waterman
8b439ef20d only support setpcr/clearpcr of SR 
the full PCR RMW support was wasted area/power
 2013-04-04 17:07:08 -07:00
Andrew Waterman
d43f484feb take interrupts on nonzero fromhost values 2013-04-04 17:07:08 -07:00
Andrew Waterman
d4a3351cfc expose pending interrupts in status register 2013-04-04 17:07:08 -07:00
Henry Cook
c6b56c5f25 bump rocket for coherence bug fix 2013-04-04 15:52:20 -07:00
Henry Cook
f8aebcbf8c fix for cache controller bug: failing to mux correct metadata into mshr.io.old_meta on tag match 2013-04-04 15:50:29 -07:00
Henry Cook
9d5e97d89e override io in LogicalNetwork 2013-03-28 14:10:20 -07:00
Henry Cook
b6cc08e8ca override io in LogicalNetwork 2013-03-28 14:09:48 -07:00
Henry Cook
16ad8a7e9c Fixes after merge 2013-03-25 19:14:38 -07:00
Henry Cook
67fc09f62e Fixes after merge, and always self probe. 2013-03-25 19:12:19 -07:00
Henry Cook
16113a96ba fixes after merge 2013-03-25 19:09:08 -07:00
Andrew Waterman
8e926f8d79 remove aborts 2013-03-25 17:01:46 -07:00
Henry Cook
eec590c1bf Added support for multiple L2 banks. Moved tile IO queueing. 2013-03-25 17:01:46 -07:00
Henry Cook
806f897fc4 nTiles -> nClients in LogicalNetworkConfig 2013-03-25 17:01:46 -07:00
Andrew Waterman
ce4c1aa566 remove aborts 2013-03-25 17:01:46 -07:00
Henry Cook
cf76665d09 writebacks on release network pass asm tests and bmarks 2013-03-25 17:01:46 -07:00
Henry Cook
a0dc8d52d6 using new network and l2 controller 2013-03-25 17:01:46 -07:00
Andrew Waterman
def11e44b8 don't pipe stdout to vcd2vpd 2013-03-25 17:01:13 -07:00
Andrew Waterman
ef4927c9ad use a named pipe for VCD -> VPD conversion 2013-03-25 16:19:19 -07:00
Henry Cook
06f5de3b68 Merge branch 'release-xacts' 
Conflicts:
	src/package.scala
	src/uncore.scala
 2013-03-20 17:38:46 -07:00
Henry Cook
95f0a688e9 Merge branch 'release-xacts' 
Conflicts:
	src/htif.scala
	src/icache.scala
	src/nbdcache.scala
	src/tile.scala
 2013-03-20 17:37:50 -07:00
Henry Cook
4d007d5c40 changed val names in hub to match new tilelink names 2013-03-20 17:14:07 -07:00
Henry Cook
273bd34091 Generalized mem arbiter, moved to uncore. Support for multiple banks when acking grants. 2013-03-20 15:53:36 -07:00
Henry Cook
c36b1dfa30 Cleaned up uncore and coherence interface. Removed defunct broadcast hub. Trait-ified tilelink bundle components. Added generalized mem arbiter. 2013-03-20 15:52:39 -07:00
Henry Cook
319b4544d7 nTiles -> nClients in LogicalNetworkConfig 2013-03-20 14:30:16 -07:00
Henry Cook
a7ae7e5758 Cleaned up self-probes 2013-03-20 14:28:20 -07:00
Henry Cook
6d2541aced nTiles -> nClients in LogicalNetworkConfig 2013-03-20 14:12:36 -07:00