riscv/rocket-chip
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d630a03857
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890 Commits

Author SHA1 Message Date
Christopher Celio
d630a03857 [commitlog] Added FP instructions to the commitlog 2015-09-15 15:59:13 -07:00
Christopher Celio
91458bef1c [commitlog] Initial commit log for integer working 2015-09-15 15:59:03 -07:00
Andrew Waterman
78b2e947de Chisel3 compatibility fixes 2015-09-11 15:43:07 -07:00
Andrew Waterman
1718333f83 Don't use Vec as lvalue 2015-08-05 15:29:33 -07:00
Andrew Waterman
546205b174 Chisel3 compatibility: use >>Int instead of >>UInt 2015-08-05 15:29:03 -07:00
Andrew Waterman
d4c94c6566 Chisel3 has different Vec semantics 
Vec(a, b) := c doesn't modify a and b in chisel3.
 2015-08-03 19:08:00 -07:00
Andrew Waterman
c345d72af4 Chisel3: Flip order of := and <> 2015-08-03 18:53:09 -07:00
Andrew Waterman
ef319edc84 Bits -> UInt 2015-08-02 21:03:42 -07:00
Andrew Waterman
52fc34a138 Chisel3: bulk connect is not commutative 
We haven't decided if this is a FIRRTL limitation that we should relax,
or a backwards incompatibility we're forced to live with.  Should make
for lively debate.
 2015-08-01 21:11:25 -07:00
Andrew Waterman
6c0e1e33ab Purge UInt := SInt assignments 2015-07-31 15:42:10 -07:00
Andrew Waterman
6d7cc37e87 Specify some uninferrable widths 
It's really scary that Chisel2 passed this stuff.
 2015-07-31 14:23:52 -07:00
Andrew Waterman
45cf64dbd7 Use UInt instead of Vec[Bool] 2015-07-31 04:59:45 -07:00
Andrew Waterman
57930e8a26 Chisel3 compatibility potpourri 2015-07-30 23:53:02 -07:00
Henry Cook
d2a594fb57 new junctions repo has mem size constants 2015-07-29 18:05:54 -07:00
Andrew Waterman
ce161b83e3 Chisel3 compatibility: avoid subword assignment 2015-07-29 15:03:13 -07:00
Andrew Waterman
c8c312e860 minor btb cleanup 2015-07-29 15:03:01 -07:00
Andrew Waterman
a2fdcdcaef Use Seq, not Iterable, when traversal order matters 2015-07-29 00:24:58 -07:00
Andrew Waterman
431dd2219b Another Bits -> BitPat 2015-07-28 20:13:56 -07:00
Andrew Waterman
049fc8dc24 Chisel3 compatibility: use BitPat for don't-cares 
This one's hella ugly, but for the time being, idgaf.
 2015-07-28 02:48:49 -07:00
Andrew Waterman
f2dcc40e67 Chisel3 compatibility changes 2015-07-27 12:42:20 -07:00
Andrew Waterman
ae73e3a997 Only instantiate div/sqrt unit if requested 2015-07-22 22:18:18 -07:00
Andrew Waterman
e9433ee01e Minor cleanup 2015-07-22 17:38:08 -07:00
Andrew Waterman
b4e4ceed3d Factor out some more hazard detection code 2015-07-22 15:52:13 -07:00
Andrew Waterman
bd785e7d19 Factor out common hazard detection code 2015-07-22 15:46:20 -07:00
Andrew Waterman
cc447c8110 Refactor pipeline RTL (merge ctrl + dpath into rocket) 2015-07-21 17:10:56 -07:00
Andrew Waterman
ac6e73e317 Add Wire() wrap 2015-07-15 20:24:18 -07:00
Andrew Waterman
5b7f3c3006 Don't use clone 2015-07-15 17:30:50 -07:00
Andrew Waterman
be2ff6dec7 Vec(Reg) -> Reg(Vec) 2015-07-15 12:33:46 -07:00
Andrew Waterman
a78e28523c Chisel3: Don't mix Mux types 2015-07-11 14:06:08 -07:00
Andrew Waterman
3233867390 Use Chisel3 SeqMem construct 2015-07-11 13:34:57 -07:00
Henry Cook
5ed2899e56 Merge pull request #10 from wsong83/fix 
L1 D$ writeback unit, reduce re-read data array
 2015-07-06 15:18:49 -07:00
Andrew Waterman
5362e2bbbd New machine-mode timer facility 2015-07-05 16:38:49 -07:00
Andrew Waterman
5e009ecc75 Fix an apparently benign PC sign-extension bug 2015-06-11 16:08:39 -07:00
Wei Song
4db60d9e9d code clean in dcache, no need to check the condition twice. 2015-06-02 22:06:12 +01:00
Wei Song
b6e68773fd nbdcache, writeback unit: when release is not ready and data is not ready for a beat too, no need to re-read data array. 2015-05-30 16:25:27 +01:00
Andrew Waterman
6a9390c50e Avoid spurious D$ assertion failures 
For the Rocket pipeline, this fix is needless and the problem is that the
assertion is too conservative, but I solved it this way to avoid problems
for other plausible use cases where physical and virtual accesses are
intermixed.
 2015-05-19 03:00:53 -07:00
Andrew Waterman
f460cb6c54 Update to privileged architecture 1.7 2015-05-19 02:32:21 -07:00
Andrew Waterman
254498042a Fix Split for 0-width wires 2015-05-18 18:23:17 -07:00
Andrew Waterman
d31b26c342 Clean up handling of icache's io.cpu.npc signal 2015-05-18 18:22:48 -07:00
Christopher Celio
b09832f1b5 ICache now returns the "next PC" signal. 
useful for other modules that need access to the fetch PC on the
   cycle it is sent to the SRAM.
 2015-05-07 04:53:05 -07:00
Henry Cook
a315fe93c1 simplify ClientMetadata.makeRelease 2015-04-20 10:46:24 -07:00
Henry Cook
3048f4785a HeaderlessTileLinkIO -> ClientTileLinkIO 2015-04-17 16:56:53 -07:00
Henry Cook
49f1c0aa7b moved ecc lib to uncore 2015-04-13 15:58:10 -07:00
Henry Cook
91e882e3f8 Use HeaderlessTileLinkIO 2015-04-13 15:58:10 -07:00
Christopher Celio
517d0d4b89 feedback on PR 2015-04-12 18:44:03 -07:00
Christopher Celio
4d6ebded02 Added assert to nbdcache 2015-04-11 02:58:34 -07:00
Christopher Celio
a564f08702 Rename dmem.sret signal to more accurate invalidate_lr 2015-04-11 02:26:33 -07:00
Christopher Celio
8fc2d38ca9 Removed unnecessary signal in CSRIO 2015-04-11 02:20:34 -07:00
Christopher Celio
2f88c5ca9d Renamed PCR to CSR 2015-04-11 02:16:44 -07:00
Christopher Celio
11dbd4221a Fixed front-end to support four-wide fetch. 2015-04-10 17:53:47 -07:00