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5,242 Commits 4 Branches 2 Tags 53 MiB
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2157 Commits

Author SHA1 Message Date
Kevin Kim
aadc1de746 zbs passes lint 2023-02-02 20:04:38 +00:00
Kevin Kim
ae5d7844a9 clmul finished initial hdl; passes lint 2023-02-02 19:49:14 +00:00
Kevin Kim
f07ffbb63b continued clmul unit 2023-02-02 18:54:33 +00:00
Kevin Kim
bd8f0189ee started clmul 2023-02-02 16:40:58 +00:00
Kip Macsai-Goren
0281330fe8 Merge remote-tracking branch 'upstream/main' into main 2023-02-01 21:31:57 -08:00
Kip Macsai-Goren
f126d1e0ef added beginning of a ZBS instruction module to the ALU. Control signals still needed 2023-02-01 21:31:25 -08:00
James Stine
fc5692629a Update ram2 and other memories and associated wrappers 2023-02-01 17:03:48 -06:00
David Harris
ce82d8d550 Fixed merge conflict to get synthesis working again 2023-02-01 04:43:57 -08:00
Madeleine Masser-Frye
57b35c293d added memories (not tested) 2023-02-01 06:08:27 +00:00
David Harris
5d7dcfb748 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-01-31 14:40:19 -08:00
Ross Thompson
7166fcd4d2 Updates to RAS. 2023-01-31 15:17:32 -06:00
Ross Thompson
dd556e8763 Simplified RAS. 2023-01-31 14:54:05 -06:00
Ross Thompson
122809b2b2 RAS file name was spelled wrong. 2023-01-31 14:35:05 -06:00
Ross Thompson
bfbf534830 Created scripts to install imperas and run a single test using imperas. 2023-01-31 13:51:05 -06:00
Ross Thompson
eededd1ba9 Fixed remaining bugs in the imperas merge. 2023-01-31 13:04:26 -06:00
Ross Thompson
0678e70b4b Merge branch 'imperas' 2023-01-31 12:46:22 -06:00
Ross Thompson
52bdf32575 Minor bug fix in gshare. 2023-01-31 10:45:32 -06:00
Ross Thompson
e7b91d5934 Renamed signals in RAS. 2023-01-31 10:44:11 -06:00
Ross Thompson
b4854d8e94 Found small bug in gshare. 2023-01-31 00:17:49 -06:00
Ross Thompson
20e99dce73 Fixed parameterization in testbench. 2023-01-31 00:11:01 -06:00
Ross Thompson
b64b3016e2 Parameterized testbench branch predictor preload. 2023-01-31 00:08:11 -06:00
Ross Thompson
22ef051603 More branch predictor cleanup. 2023-01-30 23:55:52 -06:00
Ross Thompson
61759af9dc Improved signal names. 2023-01-30 23:51:04 -06:00
Ross Thompson
165b4858d7 Major cleanup of branch predictor. 2023-01-30 23:37:34 -06:00
Ross Thompson
57ab5a7488 Simplified gshare. 2023-01-30 19:27:18 -06:00
Ross Thompson
0e29a5f9c2 Minor gshare optimization. 2023-01-30 18:13:12 -06:00
David Harris
6777fd9b55 Restored top-level modules without import statements 2023-01-30 12:54:40 -08:00
David Harris
49e45f45b7 Moved out version of wally using package because synthesis isn't working yet 2023-01-30 12:48:52 -08:00
David Harris
1e7c9f026c Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-01-30 11:00:51 -08:00
Ross Thompson
7a4218788c Imperas found a real bug in virtual memory. 
If the instruction address spilled across two pages and the second page misses the TLB,
the HPTW received a tlb miss at the address of the first page rather than the second.
After the walk the TLB was updated with the PTE from the first page at the address of the
second page.

Example bug
Instruction PCF = 0x2ffe
First page in 0x2ffe and second page in 0x3000.
The second page misses the TLB and generates HPTW request at 0x2ffe rather than 0x3000.
TLB is updated with PTE from 0x2ffe at 0x3000.
 2023-01-30 11:47:51 -06:00
Ross Thompson
63267ff378 optimized branch predictor by removing unnecessary registers. 2023-01-29 22:39:37 -06:00
David Harris
4c75a90e39 Moved WALLY-status-fp-enabled tests from a to priv suites 2023-01-29 17:19:53 -08:00
David Harris
327303e2e2 Moved shared constants into per-processor config and removed wally-constants 2023-01-29 15:55:37 -08:00
Ross Thompson
dd9d2be89c Updated global history branch predictcor with the gshare improvements. 2023-01-29 16:26:44 -06:00
David Harris
7705209141 Merged PR#37 branch predictor 2023-01-29 14:25:28 -08:00
David Harris
db07c6618b Removed unused TESTSBP parameter 2023-01-29 14:19:24 -08:00
Ross Thompson
a9902337cf Merge branch 'main' of https://github.com/openhwgroup/cvw 
This merges the branch predictor improvements into the main repo.
 2023-01-29 15:24:20 -06:00
Ross Thompson
7c8b2b685f gshare cleanup. 2023-01-29 15:07:45 -06:00
Ross Thompson
2a336cfb71 Gshare cleanup. 2023-01-29 15:06:35 -06:00
Ross Thompson
244885d3fa Found bug in gshare. 2023-01-29 15:03:25 -06:00
David Harris
a099cbb45b Fixed configuration of ram to use macro when depth is corret 2023-01-29 11:35:17 -08:00
David Harris
d6b0a8f9a1 Removed unused wally-harvard.do script 2023-01-29 11:34:35 -08:00
David Harris
f37bae1062 Converted rv32ic to rv32imc 2023-01-29 11:33:54 -08:00
Ross Thompson
49a7d10914 Fixed typo in testbench branch logger. 2023-01-29 01:00:52 -06:00
Ross Thompson
5c83de4c46 Fixed another bug with the branch logger. 2023-01-29 00:59:59 -06:00
Ross Thompson
6afd7f4fac Fixed bug in the branch logger. 2023-01-29 00:58:50 -06:00
Ross Thompson
250a8df7c3 Updated testbench for branch logger. 2023-01-29 00:56:11 -06:00
Ross Thompson
c8df460b28 Fixed bug with the btb's valid bit not beind held on a stall. 2023-01-29 00:49:23 -06:00
Ross Thompson
9e3074689d Fixed another bug with the speculative gshare with instruction class prediction. 2023-01-29 00:33:40 -06:00
David Harris
0f13941d3b Removed unused BPRED file referenes from fpga config 2023-01-28 20:22:36 -08:00