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1623 Commits

Author SHA1 Message Date
James E. Stine
d895fd7ee5 Sanitization some more on mult_cs.sv 2021-10-18 05:24:16 -05:00
James E. Stine
aafa988ca2 Update some on mult_cs and delete DW02_mult.v 2021-10-18 05:06:49 -05:00
James E. Stine
5a1835622c Add hacky hand-made carry/save multiplier - will improve 2021-10-16 10:37:29 -05:00
Katherine Parry
33e5a078bf cvtfp module documented 2021-10-14 15:25:31 -07:00
James E. Stine
6b30adb309 Clean up some signals - beautification onging 2021-10-14 17:12:00 -05:00
Kip Macsai-Goren
ffcf5f5825 Fixed typo in imperas64mmu tests causing PMP tests not to run. 2021-10-14 13:42:24 -07:00
Skylar Litz
395e070917 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-10-13 15:38:32 -07:00
Skylar Litz
d639222519 add StallM signal back to DivStartE control 2021-10-13 15:34:40 -07:00
James E. Stine
eb64a7f0c9 Update to fpdivsqrt to go on posedge as it should. Also an update to 
individual regression test for TestFloat (still needs some tweaking)
 2021-10-13 17:14:42 -05:00
bbracker
886a650da4 change infrastructure to expect only 6.3 million from buildroot 2021-10-12 10:41:15 -07:00
Shreya Sanghai
d783acbbc5 added DESIGN_COMPLIER to forgotten config files 2021-10-12 10:14:04 -07:00
Katherine Parry
09f51871c5 lint warnings fixed 2021-10-12 09:45:02 -07:00
Katherine Parry
4ea56ac68b some fpu lint warnings fixed - still working on it 2021-10-11 18:32:03 -07:00
Shreya Sanghai
51185478df made redunantmul generate DW02_multp for synopsys sythnesis 2021-10-11 11:54:39 -07:00
Shreya Sanghai
295a3c7af2 actually added redundant mul 2021-10-11 11:29:13 -07:00
David Harris
f9b37c3ce1 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-11 11:21:39 -07:00
David Harris
062fbfb610 Extended lint to check rv32/64g (including fpu. Not clean yet. 2021-10-11 11:20:42 -07:00
Shreya Sanghai
324230e2f9 added redundant multiplier 2021-10-11 11:20:12 -07:00
David Harris
fc39f77cba Starting to optimize multiplier 2021-10-11 11:06:07 -07:00
David Harris
8a64675b02 intdiv cleanup 2021-10-11 08:14:21 -07:00
David Harris
a8ce4568aa Divider FSM simplification 2021-10-10 22:24:14 -07:00
David Harris
a077735ecc Major reorganization of regression and simulation and testbenches 2021-10-10 15:07:51 -07:00
James E. Stine
11cf3d97c5 Update to missing vectors :P and also run_all script. Also made all scripts .sh as technically run using SH 2021-10-10 15:44:01 -05:00
bbracker
50e5b0a8f4 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-10 13:12:44 -07:00
bbracker
efe9f5d857 make regression expect what buildroot is actually able to reach 2021-10-10 13:12:36 -07:00
David Harris
266c706804 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-10 12:26:15 -07:00
David Harris
77f1ae54d8 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-10 12:25:11 -07:00
bbracker
8eff03bf1a simplify flopenrc's that didn't actually need to be flopenrc's 2021-10-10 12:25:05 -07:00
David Harris
93e6ec96a7 Divider cleanup 2021-10-10 12:24:44 -07:00
David Harris
6d2d93deeb Simplifying divider FSM 2021-10-10 12:21:43 -07:00
David Harris
2d09994a91 Simplifying divider FSM 2021-10-10 12:21:36 -07:00
David Harris
644af40855 Moved & ~StallM from FSM into DivStartE 2021-10-10 11:49:32 -07:00
David Harris
e93014d6d8 Moved divide iteration register names to M stage 2021-10-10 11:30:53 -07:00
David Harris
e8d013b106 Simplified remainder for divide by 0 2021-10-10 11:20:07 -07:00
David Harris
94fd682cdc divider control signal simplificaiton 2021-10-10 10:55:02 -07:00
David Harris
bfe8bf3855 Removed negedge flops from divider 2021-10-10 10:41:13 -07:00
bbracker
179223bef0 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-10 10:10:06 -07:00
bbracker
5a987cf0ca use correct string formatting function 2021-10-10 10:09:59 -07:00
David Harris
99fd79c20b Simplified divider sign handling 2021-10-10 08:35:26 -07:00
David Harris
eaa8be14b9 renamed DivStart 2021-10-10 08:32:04 -07:00
David Harris
5cb30164d4 renamed DivSigned 2021-10-10 08:30:19 -07:00
Katherine Parry
44b023ace1 FMA matches diagram and lint warnings fixed 2021-10-09 17:38:10 -07:00
bbracker
54e0e8eb5b make testbench-linux halt on some discrepancies with QEMUw 2021-10-09 17:22:30 -07:00
kipmacsaigoren
086e6d130a rename adder in fpu for synthesis 2021-10-08 17:47:54 -05:00
kipmacsaigoren
8e35701103 Merging new changes into the old one's I've made in the OKstate servers 2021-10-08 17:47:11 -05:00
Kip Macsai-Goren
381a8fcd27 updated pmp output to correspond to test changes, commented out execute tests until cache/fence interaction works fully. 2021-10-08 15:40:18 -07:00
Kip Macsai-Goren
3623dfa51e removed loops and simplified mask generation logic. PMP's now pass my tests and linux tests up to around 300M instructions. 2021-10-08 15:33:18 -07:00
kipmacsaigoren
3103b78493 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-10-08 12:01:44 -05:00
David Harris
7e340d16fd moved fp vectors into vectors subdirectory 2021-10-07 23:28:06 -04:00
David Harris
626780381a Included TestFloat and SoftFloat 2021-10-07 23:03:45 -04:00
bbracker
64a3043a88 update wave-do 2021-10-07 19:16:52 -04:00
bbracker
25e0745a6a fix div restarting bug 2021-10-07 18:55:00 -04:00
James E. Stine
0c408a9816 update scripts 2021-10-07 15:14:54 -05:00
bbracker
ec1e04e8b8 update linker scripts to look for vmlinux files 2021-10-06 16:55:38 -04:00
James E. Stine
4dcfcfacfc TV for conversion and compare 2021-10-06 14:38:32 -05:00
James E. Stine
739e17ddac Add generic wave command file 2021-10-06 13:17:49 -05:00
James E. Stine
658dcc8c1b Update to testbench for FP stuff 2021-10-06 13:16:38 -05:00
kipmacsaigoren
086a0234ba Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-10-06 11:52:34 -05:00
James E. Stine
4ece7b5341 Add TV for testbenches (to be added shortly) however had to leave off fma due to size. The TV were slightly modified within TestFloat to add underscores for readability. The scripts I created to create these TV were also included 2021-10-06 08:56:01 -05:00
James E. Stine
b90d7b8083 Make changes to fpdiv - still working on clock issue with fsm that was changed from posedge to negedge - also updated fpdivsqrt rounding to handle testfloat 2021-10-06 08:26:09 -05:00
Skylar Litz
a924e79e26 added delayed MIP signal 2021-10-04 18:23:31 -04:00
kipmacsaigoren
4a9dd49785 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-10-04 12:28:03 -05:00
David Harris
cc41d40d61 Divider cleaup 2021-10-03 11:22:34 -04:00
David Harris
3398328bf1 Divider cleanup 2021-10-03 11:16:48 -04:00
David Harris
9809e57d0c Replacing XE and DE with SrcAE and SrcBE in divider 2021-10-03 11:11:53 -04:00
David Harris
bf0061be66 Reduced cycle count for DIVW/DIVUW by two 2021-10-03 09:42:22 -04:00
David Harris
bd61ec544b Divider comments cleanup 2021-10-03 01:12:40 -04:00
David Harris
30ec68d567 Parameterized number of bits per cycle for integer division 2021-10-03 01:10:15 -04:00
David Harris
a15068717b Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-03 00:43:47 -04:00
David Harris
078ddfd341 Divider cleanup 2021-10-03 00:41:41 -04:00
David Harris
8f36297569 Added suffixes to more divider signals 2021-10-03 00:32:58 -04:00
bbracker
07ff0940a3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-10-03 00:30:49 -04:00
bbracker
a202c705cd checkpoint generator bugfixes 2021-10-03 00:30:04 -04:00
David Harris
dcbbee6623 More divider cleanup 2021-10-03 00:20:35 -04:00
David Harris
6aa2521959 Eliminated extra inversion for subtraction in divider 2021-10-03 00:10:12 -04:00
David Harris
371f9d9a4a Added more pipeline stage suffixes to divider 2021-10-03 00:06:57 -04:00
David Harris
24bb3f4baf Added more pipeline stage suffixes to divider 2021-10-02 22:54:01 -04:00
David Harris
3441991d93 Divider mostly cleaned up 2021-10-02 21:10:35 -04:00
David Harris
67690c2ed7 Partial divider cleanup 3 2021-10-02 21:00:13 -04:00
David Harris
775520c05a Partial divider cleanup 2 2021-10-02 20:57:54 -04:00
David Harris
fe69513bb7 Partial divider cleanup 2021-10-02 20:55:37 -04:00
David Harris
a86ce5cd37 Divider code cleanup 2021-10-02 10:41:09 -04:00
David Harris
d532bde931 Added negative edge triggered flop to save inputs; do absolute value in first cycle for signed division 2021-10-02 10:36:51 -04:00
David Harris
d4437b842a Divider code cleanup 2021-10-02 10:13:49 -04:00
David Harris
0e0e204d3d Moved negating divider otuput to M stage 2021-10-02 10:03:02 -04:00
David Harris
735132191c Moved muldiv result selection to M stage for performance 2021-10-02 09:38:02 -04:00
David Harris
73d852b1ef Divide performs 2 steps per cycle 2021-10-02 09:19:25 -04:00
David Harris
35e5a5cef3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-30 23:15:34 -04:00
bbracker
5022647041 Revert "first attempt at verilog side of checkpoint functionality" 
This reverts commit f6ef8e5656.
 2021-09-30 20:45:26 -04:00
David Harris
a39e14663d Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-30 20:07:43 -04:00
David Harris
a8573a27d4 Integer Divide/Rem passing all regression. 2021-09-30 20:07:22 -04:00
David Harris
953c8931ed RV32 div/rem working signed and unsigned 2021-09-30 15:24:43 -04:00
David Harris
e1ad732178 SRT Division unsigned passing Imperas tests 2021-09-30 12:17:24 -04:00
bbracker
f6ef8e5656 first attempt at verilog side of checkpoint functionality 2021-09-28 23:17:58 -04:00
bbracker
a47448c4d0 first attemtpt at checkpoint infrastructure 2021-09-28 22:33:47 -04:00
bbracker
2ffdbdf6d2 condense testbench code; debug_level of 0 means don't check at all 2021-09-27 03:03:11 -04:00
bbracker
441759b81c switch testbench-linux's interrupts from xcause to mip and improve warning messages 2021-09-22 12:33:11 -04:00
bbracker
b1c2a77fc2 update setup scripts to new testvector files 2021-09-22 12:31:10 -04:00
kipmacsaigoren
afd73ddada Merge branch 'ppa' into main 2021-09-20 01:01:47 -05:00
Ross Thompson
d09b381183 Fixed the amo on dcache miss cpu stall issue. 2021-09-17 22:15:03 -05:00