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1098 Commits

Author SHA1 Message Date
David Harris
171430a695 FPU and PMP tests 2024-01-21 14:41:22 -08:00
David Harris
ff055c404c fpu coverage improvements 2024-01-21 13:17:56 -08:00
David Harris
9d4a14b209 coverage improvements 2024-01-21 11:39:51 -08:00
David Harris
9e6fa8076f Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2024-01-21 10:15:38 -08:00
Kevin Kim
1459943a75 more shiftcorrection bug fixes 2024-01-21 10:08:48 -08:00
David Harris
69218b4b86 Coverage improvements 2024-01-21 10:03:07 -08:00
David Harris
17c9be7695 Cleanup typos, remove Zicond from riscof until it is working 2024-01-18 21:36:52 -08:00
David Harris
911b400af2 Fault on misaligned AMO 2024-01-18 13:13:56 -08:00
David Harris
d5e102d520 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2024-01-18 07:38:25 -08:00
Rose Thompson
ff6bb3be0c Fixed another bug with virtual memory and no caches. 2024-01-18 09:29:52 -06:00
Rose Thompson
e8474373e4 Fixed it so Virtual Memory work without a D$. 2024-01-18 09:18:17 -06:00
David Harris
74b242ce5c Partial implementation of fcvtmod.w.d; flags disagree in one case where Sail might be wrong, and result 134 is wrong because of overflow 2024-01-17 12:25:06 -08:00
Rose Thompson
2d3dc55986 Fixed bug. After I$ invalidated. If the pipelined wasn't stalled the I$ still output the old instruction on the next cycle. Now the I$ ensure that invalidation leads to the next cycle not hitting. 2024-01-17 12:19:10 -06:00
David Harris
4cfc86140c Zfa fmvh complete and passing tests: 2024-01-17 06:18:00 -08:00
David Harris
07e7e02241 Coded Zfa fmvp but no tests exist 2024-01-16 21:26:42 -08:00
David Harris
8654375f26 Zfa fminm/fmaxm/fltq/fleq implemented and tested 2024-01-16 20:03:54 -08:00
David Harris
9d57002c07 Zfa fli support working for F and D (add fli.sv module) 2024-01-16 17:27:59 -08:00
David Harris
0588d611ea Zfa fli support working for F and D 2024-01-16 17:27:40 -08:00
Rose Thompson
ed0f0d924b
Merge pull request #577 from davidharrishmc/dev 
Zfh fix and typo corrections
 2024-01-16 14:23:23 -06:00
David Harris
846a0c4d50 Check fma operations don't support H precision 2024-01-16 11:12:06 -08:00
David Harris
1a77c08f6e Fixed issues 575 and 477 about FPU tests failing when Zfh = 1. 2024-01-16 10:46:44 -08:00
David Harris
dcd40c6be7 Fixed spelling of output 2024-01-16 10:27:31 -08:00
David Harris
abecc98563 Fixed spelling of precision 2024-01-16 10:26:00 -08:00
Rose Thompson
ff5554ca61 Atomics work correctly without a d cache. 2024-01-16 10:43:20 -06:00
Rose Thompson
dfe5ef4427 Added logic for the non-cache atomics. 2024-01-15 17:47:17 -06:00
Rose Thompson
82a786f185 Hmm. Verilator is complaining about the parameter width. I'm not sure why so I changed to 1 bit. 2024-01-15 17:36:01 -06:00
Rose Thompson
614a83331f Fixed part of issue #405. 
The non-cache version of the bus controller did not have the correct supression of BusCommitted for a read only controller.
 2024-01-15 17:29:00 -06:00
Rose Thompson
83df3dfe83 Fixed the zifencei bug (part of issue 405). 2024-01-15 16:02:37 -06:00
David Harris
0235970313 Optimized away unused support for fmv with quads 2024-01-15 13:40:12 -08:00
David Harris
da4eca4854 Tested Zfh support using unreleased version of risch-arch-test Zfh tests. Fixed two bugs in fmv to/from int. 2024-01-15 13:24:57 -08:00
David Harris
9e78a7e290 Incorporated jstine fixes of FPU special case and testbench for conversion 2024-01-15 07:25:08 -08:00
David Harris
ed9fa07ba3 tests/coverage/tlbmisc.S 2024-01-15 07:16:11 -08:00
David Harris
fd181169fe Corrected spelling of negative 2024-01-15 07:15:23 -08:00
James E. Stine
b14cd67bef Values for IEEE 754 vs. RISC-V Table 11.4 in the RISC-V Unprivileged ISA 2024-01-14 22:08:42 -06:00
Jordan Carlin
51f670c821
Merge branch 'openhwgroup:main' into main 2024-01-12 19:43:01 -08:00
Rose Thompson
dd5f69cb78
Merge pull request #565 from davidharrishmc/dev 
Dev
 2024-01-12 21:30:27 -06:00
Jordan Carlin
092d10a3cd correct c.sext.b encoding and remove unreachable code in 01100 case 2024-01-12 19:09:10 -08:00
David Harris
d7b016e8f3 Cleaned up Zicond implementation 2024-01-12 18:12:52 -08:00
David Harris
6226c3db96
Revert "Fixes for Issue #541" 2024-01-12 07:50:13 -08:00
James E. Stine
e707eeb7c8 THis includes fix for special case when conversion from fp to int/long. The previous src did not test both the flags and result and so missed this subtle bug when an Invalid happens for this type of conversion. These results are indications of undefined behavior for these operations. All fp operations now passs when this update is fixed. Much of the information why these outputs should occur is somewhat alluded to by Pascal Cuoq originally from INSA in Lyon here: https://frama-c.com/2013/10/09/Overflow-float-integer.html 2024-01-12 00:37:50 -06:00
Rose Thompson
ceae2bc714
Merge pull request #561 from davidharrishmc/dev 
Added Zicond support
 2024-01-11 10:20:01 -06:00
David Harris
9eb6d9c8b8 Added Zicond support 2024-01-11 07:37:15 -08:00
Rose Thompson
a932bf6b66 Removed unnecessary spill for compressed aligned to end of cache line or uncached access. 2024-01-10 13:06:16 -06:00
Rose Thompson
588e1caeba Found bugs in the no I$ implementation's abhinterface width. We were only testing XLEN=32. XLEN=64 did not properly align instructions not aligned to 8 byte boundaries. 2024-01-06 22:29:16 -06:00
David Harris
67124b0c7f Fixed typo in declaration in tlbcontrol; escape quoted argument to Verilator; added ulimit to setup so Verilator stack is large enough 2024-01-06 07:11:25 -08:00
David Harris
0781cd4a44 Improved tlbcontrol to fault on R=0,W=1; fixed more coverage testsin tlbmisc.S; changed integer type to try to speed up CoreMark; comments in Verilate 2024-01-05 22:45:15 -08:00
Rose Thompson
1f3792c823 Fixed bug # 547, but there are other bugs which follow. 2024-01-05 23:32:10 -06:00
Rose Thompson
edc56c669e Fixed bug 546. non-leaf non-zero PBMT bit raise page fault. 2024-01-05 17:10:14 -06:00
David Harris
680a014876 Finished LSU tlbcontrol coverage tests 2024-01-02 10:16:20 -08:00
David Harris
d229dc06ee Coverage improvements; remove incorrect logic checking NAPOT nonleaf PTE 2024-01-02 00:35:17 -08:00