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Author SHA1 Message Date
Howard Mao
a50ba39ea7 Revert "add buffering and locking to TL -> Nasti converter" 
This reverts commit 2109a48e18719383942d535ff4c1d0a859dcc424.

Conflicts:
	src/main/scala/converters/Nasti.scala
 2016-07-08 09:31:33 -07:00
Andrew Waterman
32ee5432dd Fix testing of DefaultSmallConfig; bump rocket et al 2016-07-07 21:23:49 -07:00
Andrew Waterman
70b677ecda Vec considered harmful; use isOneOf instead (#64) 
Vec is heavyweight and really should only be used for I/O and
dynamic indexing.  A recurring pattern in uncore is

    Vec(const1, const2, const3) contains x

which is nice but has a deleterious effect on simulation copilation
and execution time.  This patch proposes an alternative:

    x isOneOf (const1, const2, const3)
    x isOneOf seqOfThings

I think it's also more idiomatic.

This is just a prototype; I'm not wed to the name or implementation.
 2016-07-07 19:25:57 -07:00
Howard Mao
f7b392306e make sure SimpleHellaCacheIF can work with blocking DCache 2016-07-07 18:59:23 -07:00
Howard Mao
f62c74b82a allow groundtest to use non-blocking DCache 2016-07-07 18:59:09 -07:00
Andrew Waterman
3d8939d3c3 Set misa.base = 1 for RV32 2016-07-07 15:32:21 -07:00
Andrew Waterman
2455a806af Make WFI instruction respect mie CSR setting 2016-07-07 15:31:17 -07:00
Howard Mao
67871654dd start NastiConverterTest higher up in memory 2016-07-07 14:35:04 -07:00
Howard Mao
16a6b11081 fix bug in AXI -> TL converter 2016-07-07 14:34:24 -07:00
Howard Mao
7cc64011fb simplify amo_mask generation 2016-07-07 12:14:45 -07:00
Howard Mao
1c5e7be75b make sure Nasti write channel id is set correctly 2016-07-07 12:14:02 -07:00
Howard Mao
6055482513 make sure write channel id is actually set 2016-07-07 12:12:39 -07:00
Howard Mao
8ccc50a8f0 fix IdMapper and TL -> NASTI converter 2016-07-07 10:16:44 -07:00
Howard Mao
8c13e78ab5 add buffering and locking to TL -> AXI converter 2016-07-06 16:57:09 -07:00
Howard Mao
e27cb5f885 fix voluntary release issue in L2 cache 2016-07-06 16:57:01 -07:00
Howard Mao
9f7845f043 don't test BRAMSlave for now 2016-07-06 16:56:14 -07:00
Howard Mao
5d8d5e598b add buffering and locking to TL -> Nasti converter 2016-07-06 16:51:45 -07:00
Andrew Waterman
35a983275e Guarantee one-hotness of BTB entries 2016-07-06 15:58:01 -07:00
Howard Mao
bbf780725f add NastiReadIO and NastiWriteIO bundles 2016-07-06 15:13:04 -07:00
Howard Mao
b10d306b4a add option to log L2 cache transactions for easier debugging 2016-07-06 14:59:09 -07:00
Howard Mao
64afc795fd make sure voluntary releases don't get allocated to L2WritebackUnit 2016-07-06 14:10:45 -07:00
Andrew Waterman
2a146155fc Update to new priv-1.9 PTE format 2016-07-06 10:15:59 -07:00
Andrew Waterman
8625f9ea0c Update PTE format 2016-07-06 03:20:41 -07:00
Andrew Waterman
c0e6ecebfc Fix BTB perf bug 
In rare cases, it would replace into a different row than it recorded.
 2016-07-06 03:16:05 -07:00
Andrew Waterman
f3e22984d5 Remove uarch counters 
These will be replaced with the indirect TDR scheme used by breakpoints.
 2016-07-06 01:41:41 -07:00
Andrew Waterman
25fdabdd59 Don't implicitly create Vecs, since they're heavyweight 2016-07-06 01:41:31 -07:00
Andrew Waterman
8bd7e3932b Implement priv-1.9 PTE scheme 2016-07-05 19:19:49 -07:00
Howard Mao
f79a3285fb fix TraceGen and Nasti -> TL converter 2016-07-05 17:42:57 -07:00
Howard Mao
b105076996 fix ID mapper to disallow two in-flight requests with the same inner ID 2016-07-05 17:41:46 -07:00
Howard Mao
af76837970 conform to new NastiWriteDataChannel interface 2016-07-05 17:41:46 -07:00
Howard Mao
ee624b1c6e make NastiSmallTest a bit more intensive 2016-07-05 17:31:51 -07:00
Howard Mao
96f09003f2 use options for NastiWriteDataChannel write mask 2016-07-05 16:03:25 -07:00
Albert Ou
4c07aedfad Rewrite BRAMSlave to infer a single BRAM instance 2016-07-05 14:21:21 -07:00
Howard Mao
8c5fd86f9b fix tracegen module and scripts 2016-07-05 13:50:17 -07:00
Howard Mao
c924ec2a22 fixing bufferless broadcast hub 2016-07-05 12:10:22 -07:00
Howard Mao
702444709a make sure pending bits updated for all releases 2016-07-05 12:08:22 -07:00
Howard Mao
06ed9c5794 add a single-entry queue in front of acquire and release for bufferless broadcast hub 2016-07-05 12:08:22 -07:00
Howard Mao
67bac383e3 hopefully fixed last bugs in Bufferless 2016-07-05 12:08:22 -07:00
Howard Mao
a35388bc27 fix merging of same xact ID puts/gets 2016-07-05 12:08:22 -07:00
Howard Mao
51f7bf1511 fix Bufferless voluntary release issue 2016-07-05 12:08:22 -07:00
Howard Mao
afc51c4a35 make sure TL -> NASTI converter handles multibeat transactions properly 2016-07-05 12:08:22 -07:00
Andrew Waterman
ebefe57036 simplify BTB fetchWidth=1 special case 2016-07-04 23:43:47 -07:00
Howard Mao
61a44dcfc3 add regression test for L1 voluntary releases 2016-07-04 17:02:24 -07:00
Andrew Waterman
85808f8cbb Clean up PseudoLRU code 2016-07-02 15:09:12 -07:00
Andrew Waterman
2d325df60c Improve PTW simulation performance 2016-07-02 14:34:18 -07:00
Andrew Waterman
5aa8ef1855 Remove invalidation support from BTB 
Validating the target PC in the pipeline is cheaper than maintaining
the valid bits and control logic to guarantee the BTB won't ever
mispredict branch targets.
 2016-07-02 14:27:29 -07:00
Andrew Waterman
663002ec0c Improve TLB simulation performance 2016-07-02 14:26:05 -07:00
Howard Mao
af51b6f363 bump groundtest and uncore 2016-07-01 18:13:46 -07:00
Howard Mao
b01871c3de test configurations for both shrinking and growing TL -> MIF 2016-07-01 18:13:33 -07:00
Howard Mao
7f0a583515 timeout for Nasti tests 2016-07-01 18:11:44 -07:00