riscv/rocket-chip
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57 Commits

Author SHA1 Message Date
Andrew Waterman
60bddddfe6 Merge sptbr and sasid 2016-06-17 18:29:05 -07:00
Andrew Waterman
586c1079d0 Fix D$ for set size > page size 2016-06-09 13:02:28 -07:00
Andrew Waterman
51379621d6 Flush blocking D$ on FENCE.I 2016-05-31 19:27:28 -07:00
Andrew Waterman
40f38dde63 Work around lack of zero-width wires in D$ 2016-05-25 19:44:31 -07:00
Andrew Waterman
4605b616c1 Fix bug in D$ AMO/storegen logic 2016-05-24 16:26:07 -07:00
Andrew Waterman
5dac7b818d Support set associativity in blocking D$ 2016-05-24 15:45:52 -07:00
Andrew Waterman
e0addb5723 Support uncached AMOs in blocking D$ 2016-05-24 15:45:35 -07:00
Andrew Waterman
3b35c7470e Add uncached support to blocking D$ 2016-05-24 15:05:41 -07:00
Andrew Waterman
b92c73e361 Add LR/SC to blocking D$ 2016-05-24 15:05:41 -07:00
Andrew Waterman
0d93d1a1a0 Clean up pending store logic a bit 2016-05-24 15:05:41 -07:00
Andrew Waterman
0b8de578d4 Add additional D$ store buffering to prevent structural hazards 2016-05-24 15:05:41 -07:00
Andrew Waterman
d7790ac6a4 WIP on blocking D$ 2016-05-24 15:05:41 -07:00
Andrew Waterman
7bc38383de add (non-working) blocking data cache 2016-05-20 18:59:05 -07:00
Andrew Waterman
25ecfb9bbc clean up caches 
- remove incompatible blocking D$
- remove direct-mapped nonblocking cache
 2012-02-12 20:32:06 -08:00
Andrew Waterman
725190d0ee update to new chisel 2012-02-11 17:20:33 -08:00
Christopher Celio
1be9d15944 Fixed bug regarding case sensitivity regarding ioICache,ioDCache 2012-02-07 14:07:42 -08:00
Andrew Waterman
a5a020f97b update chisel and remove SRAM_READ_LATENCY 2012-01-23 20:59:38 -08:00
Henry Cook
8766438bb9 Updated chisel removes ^^ from language. Removed from rocket source, updated jar. 2012-01-23 17:09:23 -08:00
Henry Cook
7e25749581 Groundwork for assoc cache implementation 2012-01-18 17:09:35 -08:00
Henry Cook
1d76255dc1 new chisel version jar and find and replace INPUT and OUTPUT 2012-01-18 14:39:57 -08:00
Andrew Waterman
ffe23a1ee8 fix WAW hazard handling 2012-01-02 00:25:11 -08:00
Andrew Waterman
a8d0cd95e6 hellacache now works 2011-12-17 03:26:11 -08:00
Andrew Waterman
56c4f44c2a hellacache returns! 
but AMOs are unimplemented.
 2011-12-12 06:49:39 -08:00
Andrew Waterman
8308345364 work in progress on hellacache 2011-12-10 07:01:47 -08:00
Andrew Waterman
ce201559f3 Support cache->cpu nacks one cycle after request 2011-12-10 00:42:09 -08:00
Andrew Waterman
c01e1f1cef Don't replay from EX stage. 
EX replays are now handled from MEM.  We may move them to WB.
 2011-12-09 19:42:58 -08:00
Andrew Waterman
218f63e66e code cleanup/parameterization 2011-12-09 00:42:43 -08:00
Rimas Avizienis
fa784d1d7d made setReadLatency argument a parameter defined in consts.scala 2011-12-05 00:33:17 -08:00
Rimas Avizienis
ff95cacb55 icache/dcache tag+data arrays now implemented using Mem4() 
however there seems to be a bug - readLatency needs to be set to 0
for C model to work, and 1 for Verilog model.
 2011-12-04 01:18:38 -08:00
Rimas Avizienis
e894b79870 caches now use Mem4() memories for tag+data arrays 2011-12-03 19:41:15 -08:00
Rimas Avizienis
c580180b66 tweaks to cache/SRAM interface for TSMC65 SRAMs 2011-12-02 02:01:08 -08:00
Rimas Avizienis
cf1965493b renamed SRAM modules to match TSMC65 MC generated SRAMs 2011-12-01 13:14:33 -08:00
Rimas Avizienis
c42d8149b7 moved PCR writeback to end of MEM stage, cleanup of dcache/dpath/ctrl 2011-11-17 23:50:45 -08:00
Rimas Avizienis
80b4253318 fixed dcache amo bug, cleaned up testharness, added RDTIME instruction 2011-11-16 02:04:28 -08:00
Rimas Avizienis
82a636ff55 AMOADD, AMOAND, AMOOR, AMOSWAP working 2011-11-15 00:51:45 -08:00
Rimas Avizienis
48cec01710 updated riscv-bmarks and riscv-tests to build with new toolchain 2011-11-15 00:11:22 -08:00
Rimas Avizienis
9d3471a569 more cache fixes, more test harness debug output 2011-11-13 23:32:18 -08:00
Rimas Avizienis
67c7e7e28f cache/tlb bugfixes, increased memory size to 256meg 2011-11-13 13:06:35 -08:00
Rimas Avizienis
5f4b15b809 added ld/st misaligned exceptions 2011-11-13 00:03:17 -08:00
Rimas Avizienis
35af912bd2 cache optimizations, cleanup, and testharness improvement 2011-11-12 22:13:29 -08:00
Rimas Avizienis
91c252ad08 fixing output enable signals for data/tag SRAMs 2011-11-12 15:47:47 -08:00
Rimas Avizienis
83d90c4dab more itlb/dtlb/ptw fixes 2011-11-12 15:00:45 -08:00
Rimas Avizienis
73416f224b more tlb/ptw debugging 2011-11-12 00:25:06 -08:00
Rimas Avizienis
a1ce908541 dcache/dtlb overhaul 2011-11-11 18:18:47 -08:00
Rimas Avizienis
f86d5b1334 cleanup, lots of minor fixes, added more PCR regs (COREID, NUMCORES), parameterized BTB 2011-11-10 11:26:13 -08:00
Rimas Avizienis
9aca403aa8 more itlb integration & cleanup 2011-11-09 23:18:14 -08:00
Rimas Avizienis
e96430d862 integrating ITLB & PTW 2011-11-09 14:52:17 -08:00
Rimas Avizienis
9d63087eb2 changed caches to use separate sram modules for tag and data arrays 2011-11-07 00:58:25 -08:00
Rimas Avizienis
4d64099103 cleanup 2011-11-04 20:52:21 -07:00
Rimas Avizienis
4459935554 dcache fixes - all tests and ubmarks pass, hello world still broken 2011-11-04 15:40:41 -07:00