Yunsup Lee
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c837c1d800
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fix bug in previous JALR commit
on commit tag 9a122c06d1bf11237d7fb0769d454a67bbb7400e
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2013-05-21 18:28:44 -07:00 |
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Henry Cook
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69b508ff39
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ported caches and htif to use new tilelink
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2013-05-21 17:21:04 -07:00 |
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Andrew Waterman
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28f914c3f2
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don't JALR to speculatively-bypassed addresses
Technically not necessary, but probably improves performance.
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2013-05-21 16:56:58 -07:00 |
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Yunsup Lee
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dcde377303
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Fix DM I$ deadlock
BTB predictions were causing infinite miss loops
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2013-05-20 15:22:58 -07:00 |
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Andrew Waterman
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3a1b5f01b2
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don't take interrupts while they're disabled!
a control bug allowed an interrupt to be taken on the instruction immediately
following an interrupt-disabling instruction (but not thereafter).
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2013-05-19 23:27:47 -07:00 |
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Andrew Waterman
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6eb4c2542a
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comment out I$ assert for now
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2013-05-18 18:09:23 -07:00 |
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Andrew Waterman
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1dab984231
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use UFix instead of Bits for arithmetic
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2013-05-18 00:45:29 -07:00 |
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Andrew Waterman
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dfa7a03f73
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use assert, not Assert
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2013-05-18 00:45:13 -07:00 |
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Andrew Waterman
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d405ffa949
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assume all I$ grants bear data
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2013-05-01 21:01:20 -07:00 |
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Andrew Waterman
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474d321cc7
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fix meta hazard counter to reset on new meta writes
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2013-05-01 16:35:24 -07:00 |
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Andrew Waterman
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a6a88fce19
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Revert "broaden scope of s1_nack to include new probes accepted by the probe unit on that cycle"
This reverts commit b41e6bc50519631ba097ac1196737be7107295f9.
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2013-05-01 16:34:45 -07:00 |
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Andrew Waterman
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63a38e7982
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Revert "temp"
This reverts commit 73705e6ed8f98d08ce6b30fbe760de694c6563ae.
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2013-05-01 16:34:33 -07:00 |
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Henry Cook
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b6945408cb
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temp
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2013-05-01 10:24:36 -07:00 |
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Henry Cook
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722bc917d3
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broaden scope of s1_nack to include new probes accepted by the probe unit on that cycle
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2013-05-01 10:05:54 -07:00 |
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Andrew Waterman
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1501e90c1f
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interlock probe unit on tag RAW hazards
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2013-04-30 00:38:22 -07:00 |
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Henry Cook
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e8b20f3d38
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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
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2013-04-25 17:41:04 -07:00 |
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Andrew Waterman
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50ccc20bf3
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replace RDNPC with AUIPC
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2013-04-22 04:20:15 -07:00 |
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Henry Cook
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db5a060c7d
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fix io dir
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2013-04-10 13:47:30 -07:00 |
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Andrew Waterman
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ae7720e284
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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.
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2013-04-07 19:27:21 -07:00 |
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Andrew Waterman
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e74e032c87
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simplify MSHR memory response logic
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2013-04-06 01:03:37 -07:00 |
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Andrew Waterman
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1abb9277db
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fix LR/SC atomicity violation
note, it's still not starvation-free.
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2013-04-05 19:13:38 -07:00 |
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Andrew Waterman
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8cbdeb2abf
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add LR/SC support
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2013-04-04 17:07:09 -07:00 |
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Andrew Waterman
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fc46daecf6
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don't flush pipeline on writes to side-effect-free PCRs
notably, K0, K1, and EPC
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2013-04-04 17:07:09 -07:00 |
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Andrew Waterman
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8b439ef20d
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only support setpcr/clearpcr of SR
the full PCR RMW support was wasted area/power
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2013-04-04 17:07:08 -07:00 |
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Andrew Waterman
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d43f484feb
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take interrupts on nonzero fromhost values
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2013-04-04 17:07:08 -07:00 |
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Andrew Waterman
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d4a3351cfc
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expose pending interrupts in status register
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2013-04-04 17:07:08 -07:00 |
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Henry Cook
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f8aebcbf8c
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fix for cache controller bug: failing to mux correct metadata into mshr.io.old_meta on tag match
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2013-04-04 15:50:29 -07:00 |
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Henry Cook
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16113a96ba
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fixes after merge
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2013-03-25 19:09:08 -07:00 |
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Henry Cook
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95f0a688e9
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Merge branch 'release-xacts'
Conflicts:
src/htif.scala
src/icache.scala
src/nbdcache.scala
src/tile.scala
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2013-03-20 17:37:50 -07:00 |
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Henry Cook
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273bd34091
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Generalized mem arbiter, moved to uncore. Support for multiple banks when acking grants.
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2013-03-20 15:53:36 -07:00 |
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Henry Cook
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6d2541aced
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nTiles -> nClients in LogicalNetworkConfig
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2013-03-20 14:12:36 -07:00 |
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Andrew Waterman
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ea9d0b771e
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remove aborts; simplify probes
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2013-03-19 15:29:40 -07:00 |
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Yunsup Lee
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0f50970913
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move HellaQueue to uncore
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2013-03-19 00:43:20 -07:00 |
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Henry Cook
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e0361840bd
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writebacks on release network pass asm tests and bmarks
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2013-02-28 18:11:40 -08:00 |
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Andrew Waterman
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35349d227f
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update to new Mem style
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2013-02-20 16:09:46 -08:00 |
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Andrew Waterman
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9f89c812b7
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fix HTIF memory size reporting
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2013-01-29 23:08:25 -08:00 |
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Yunsup Lee
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a0bd0adeb2
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change write/read port ordering for vlsi_mem_gen script
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2013-01-29 21:32:42 -08:00 |
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Andrew Waterman
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66eb3720a4
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fix SRAM semantics bug in HellaFlowQueue
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2013-01-29 21:16:42 -08:00 |
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Yunsup Lee
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60bd3a6413
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Revert "shuffled FPU control logic around to make functional unit retiming work better"
This reverts commit 20dd308067b143adff4913fc7ac710a393ca1d86.
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2013-01-29 19:34:55 -08:00 |
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Andrew Waterman
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6275e009f8
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fix HellaQueue deq.valid signal
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2013-01-28 20:57:43 -08:00 |
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Andrew Waterman
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45d8066f45
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add HellaQueue, an SRAM-based queue
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2013-01-28 20:54:25 -08:00 |
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Andrew Waterman
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37c67f1d87
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pipeline reset to the vector unit
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2013-01-28 17:56:32 -08:00 |
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Rimas Avizienis
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f2df6147df
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shuffled FPU control logic around to make functional unit retiming work better
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2013-01-28 17:17:09 -08:00 |
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Henry Cook
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f5729c9f25
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removed ack_required field from grant messages
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2013-01-28 16:44:17 -08:00 |
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Henry Cook
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8cbd316b5e
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Merge branch 'ready-sig-fix' into pin-cleanup
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2013-01-27 23:04:58 -08:00 |
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Henry Cook
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931cffa749
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ready signal fix
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2013-01-27 23:04:35 -08:00 |
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Henry Cook
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83c207c852
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pin cleanup in htif
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2013-01-27 12:00:28 -08:00 |
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Henry Cook
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409b549d3c
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actually cleared up tile ios
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2013-01-27 11:27:09 -08:00 |
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Henry Cook
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696dd102eb
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cleans up unconnected tile io pins (networking headers overwritten at top level)
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2013-01-27 10:59:41 -08:00 |
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Andrew Waterman
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c890099e09
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add System Control Register space to HTIF
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2013-01-24 23:41:24 -08:00 |
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