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Author SHA1 Message Date
Kip Macsai-Goren
4de4774a71 more input changes on prioirty thermometer. passes lint 2021-09-17 13:07:21 -04:00
kipmacsaigoren
cc4ad218cb added new fun ways of putting inputs into the priority thermometer 2021-09-17 12:00:38 -05:00
Ross Thompson
cfd522da6b The E stage needs to be flushed on InvalidateICacheM. FlushM should be asserted. 2021-09-17 10:33:57 -05:00
Ross Thompson
0b1e59d075 Updated Dcache to fully support flush. This appears to work. 
Updated PCNextF so it points to the correct PC after icache invalidate.
Build root crashes with PCW mismatch and invalid register writes.
 2021-09-17 10:25:21 -05:00
Ross Thompson
615fd41e7b Added states and all control and data path logic to support d cache flush. This is currently untested; however the existing regresss test passes. 2021-09-16 18:32:29 -05:00
Ross Thompson
348187ea70 Added counters to walk through d cache flush. 2021-09-16 17:12:51 -05:00
Ross Thompson
d901f60a6d Added flush controls to cachway. 2021-09-16 16:56:48 -05:00
Ross Thompson
cae350abb7 Added invalidate to icache. 2021-09-16 16:15:54 -05:00
bbracker
a158558b83 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-15 17:31:11 -04:00
bbracker
ff5379fd95 fix regression 2021-09-15 17:30:59 -04:00
kipmacsaigoren
97c474327c changed priority circuits for synthesis and light cleanup 2021-09-15 12:24:24 -05:00
kipmacsaigoren
2cd2fe0828 Added git things to make it all a little nicer and synthesis work. 2021-09-15 12:15:53 -05:00
David Harris
9ae25b0cea Added Zfencei support in instruction decoder and configurations. Also added riscv-arch-test 32-bit tests to regression. 2021-09-15 13:14:00 -04:00
bbracker
ee1503a249 created script to determine which functions are most frequently used 2021-09-14 19:41:05 -04:00
bbracker
2738e9c900 IRQ timing template 2021-09-13 18:48:28 -04:00
David Harris
92385a1d51 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-13 12:41:07 -04:00
David Harris
9fa048980d Fixed MTVAL contents during breakpoint. Now all riscv-arch-test vectors pass in rv32 and rv64 2021-09-13 12:40:40 -04:00
Ross Thompson
c60edb1a04 Merge branch 'main' into fpga 2021-09-13 09:45:59 -05:00
Ross Thompson
cd6d1e0b12 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-09-13 09:41:34 -05:00
David Harris
7be1160a48 Cleaned up wally-arch test scripts 2021-09-13 00:02:32 -04:00
David Harris
bbb6c7bef7 Restored old integer divider 2021-09-12 22:07:52 -04:00
Ross Thompson
296da4f437 FPGA test bench and test program. 2021-09-12 20:41:54 -05:00
David Harris
dd1e7548ed Modified rxfull determination in UART, started division 2021-09-12 20:00:24 -04:00
Ross Thompson
3e590717c2 Removed one more genout bit. 2021-09-11 18:42:47 -05:00
Ross Thompson
9cbc6755df Merge branch 'main' into fpga 2021-09-11 16:00:23 -05:00
Ross Thompson
5922bae299 Added calibration input. 
fixed HRESP duplication.
 2021-09-11 15:59:27 -05:00
Ross Thompson
be864abcc5 Fixed bug with or_rows. 
If ROWS == 1 then the output was always X.  Fixed by adding if to check if ROWS==1.
 2021-09-11 15:51:11 -05:00
Ross Thompson
570aab4275 Fixed FPGA synthesis bug in the fpdiv fsm. Was creating latches. 2021-09-11 15:40:27 -05:00
Ross Thompson
5744796431 Fixed dcache to prevent latches in FPGA synthesized design. 2021-09-11 12:03:48 -05:00
Ross Thompson
1656f88871 Merge branch 'fpga' of github.com:davidharrishmc/riscv-wally into fpga 2021-09-09 15:49:45 -05:00
Ross Thompson
af74a8c5cb Third attempt at fixing the write enables for the icache cacheway. 2021-09-09 15:49:27 -05:00
Ross Thompson
6f4542f063 Third attempt at fixing the write enables for the icache cacheway. 2021-09-09 15:08:10 -05:00
Ross Thompson
6965bde95c Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Refixed some bit width issues in the icache.
 2021-09-09 12:44:02 -05:00
Ross Thompson
1d370ca71f fixed some lint bugs. 2021-09-09 12:38:57 -05:00
bbracker
4a17af5b7c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-09 13:22:31 -04:00
bbracker
3a520cb540 changed fix_mem to not use hardcoded file names 2021-09-09 13:22:24 -04:00
David Harris
12bd351edf Lint cleaning, riscv-arch-test testing 2021-09-09 11:05:12 -04:00
David Harris
9480f8efdb Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-08 16:00:12 -04:00
David Harris
118cb7fb87 Added testbench-arch for riscv-arch-test suite 2021-09-08 15:59:40 -04:00
Ross Thompson
86fbe2a654 Changed configs to support 4 ways set associative caches. 2021-09-08 12:52:49 -05:00
Ross Thompson
6550f38af9 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-09-08 12:47:03 -05:00
Ross Thompson
a15d6c1c96 Slight modification to wave file. 2021-09-08 10:40:46 -05:00
bbracker
bb84354a47 fixed bug where M mode was sensitive to S mode traps 2021-09-07 19:14:39 -04:00
bbracker
f8272c45d1 make testbench successfully deactivate TimerIntM so as to create a nice pulse 2021-09-07 15:36:47 -04:00
Ross Thompson
49e75d579c Set associate icache working, but way 0 is never written. 2021-09-07 12:46:16 -05:00
bbracker
da9a366d20 No longer forcing CSRReadValM because that can feedback to corrupt some CSRs 2021-09-06 22:59:54 -04:00
Ross Thompson
05455f8392 Changed name of memory in icache. 2021-09-06 20:54:52 -05:00
bbracker
502ddb3bb5 help in case a script is run accidentally 2021-09-06 16:23:45 -04:00
bbracker
b3bc3cf6d0 modified testbench to not allow Wally to generate its own interrupts (because of fundamental interrupt imprecision limitations) 2021-09-04 19:49:26 -04:00
bbracker
c463f177e9 restore functionality of being able to turn on waves at a certain instruction count; restore linux-waves.do because wave.do seems to be in disrepair 2021-09-04 19:45:04 -04:00