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Author SHA1 Message Date
David Harris
e1ad732178 SRT Division unsigned passing Imperas tests 2021-09-30 12:17:24 -04:00
Ross Thompson
d09b381183 Fixed the amo on dcache miss cpu stall issue. 2021-09-17 22:15:03 -05:00
Ross Thompson
99d675b872 Finished adding the d cache flush. Required ensuring the write data, address, and size are 
correct when transmitting to AHBLite interface.
 2021-09-17 13:03:04 -05:00
Ross Thompson
8fa287a449 The E stage needs to be flushed on InvalidateICacheM. FlushM should be asserted. 2021-09-17 10:33:57 -05:00
Ross Thompson
b92070a67a 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
d4398c23fb 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
55cbd957f0 Added counters to walk through d cache flush. 2021-09-16 17:12:51 -05:00
Ross Thompson
4ca0c0ea7d Added flush controls to cachway. 2021-09-16 16:56:48 -05:00
Ross Thompson
eb7b5f1d63 Added invalidate to icache. 2021-09-16 16:15:54 -05:00
bbracker
92ddc9b20a Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-15 17:31:11 -04:00
bbracker
b1be8f4858 fix regression 2021-09-15 17:30:59 -04:00
David Harris
72c1cc33f5 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
f94a13e242 created script to determine which functions are most frequently used 2021-09-14 19:41:05 -04:00
bbracker
255d69e697 IRQ timing template 2021-09-13 18:48:28 -04:00
David Harris
e32ab128e9 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-13 12:41:07 -04:00
David Harris
654f3d1940 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
d4c87d17b2 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-09-13 09:41:34 -05:00
David Harris
1847198da9 Cleaned up wally-arch test scripts 2021-09-13 00:02:32 -04:00
David Harris
b2fe8eddc0 Restored old integer divider 2021-09-12 22:07:52 -04:00
Ross Thompson
144003cb41 FPGA test bench and test program. 2021-09-12 20:41:54 -05:00
David Harris
1f6e4c71fc Modified rxfull determination in UART, started division 2021-09-12 20:00:24 -04:00
Ross Thompson
225657b8f9 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
3b12235954 Fixed FPGA synthesis bug in the fpdiv fsm. Was creating latches. 2021-09-11 15:40:27 -05:00
Ross Thompson
3ff8d0095d Fixed dcache to prevent latches in FPGA synthesized design. 2021-09-11 12:03:48 -05:00
Ross Thompson
29efd1d222 Third attempt at fixing the write enables for the icache cacheway. 2021-09-09 15:08:10 -05:00
Ross Thompson
230c794edd 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
90f2821bea fixed some lint bugs. 2021-09-09 12:38:57 -05:00
bbracker
886e8125db Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-09 13:22:31 -04:00
bbracker
83520aeb42 changed fix_mem to not use hardcoded file names 2021-09-09 13:22:24 -04:00
David Harris
cb624fe679 Lint cleaning, riscv-arch-test testing 2021-09-09 11:05:12 -04:00
David Harris
a31828e925 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-09-08 16:00:12 -04:00
David Harris
30e2ec3987 Added testbench-arch for riscv-arch-test suite 2021-09-08 15:59:40 -04:00
Ross Thompson
8141a515bb Changed configs to support 4 ways set associative caches. 2021-09-08 12:52:49 -05:00
Ross Thompson
6606eea27e Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-09-08 12:47:03 -05:00
Ross Thompson
5bc90ef32f Slight modification to wave file. 2021-09-08 10:40:46 -05:00
bbracker
5e9a39e755 fixed bug where M mode was sensitive to S mode traps 2021-09-07 19:14:39 -04:00
bbracker
b3f00f2682 make testbench successfully deactivate TimerIntM so as to create a nice pulse 2021-09-07 15:36:47 -04:00
Ross Thompson
150a73d6cf Set associate icache working, but way 0 is never written. 2021-09-07 12:46:16 -05:00
bbracker
28fed18421 No longer forcing CSRReadValM because that can feedback to corrupt some CSRs 2021-09-06 22:59:54 -04:00
Ross Thompson
00f50184d8 Changed name of memory in icache. 2021-09-06 20:54:52 -05:00
bbracker
0646bf2b90 help in case a script is run accidentally 2021-09-06 16:23:45 -04:00
bbracker
a13b561759 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
58d478eb23 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
bbracker
0004f647ec switching over to hopefully more consistent QEMU simulated clock 2021-09-04 19:43:39 -04:00
bbracker
6155716de4 replace triple gdb breakpoint continue with a double breakpoint ignore in hopes of improving parsing 2021-09-04 19:41:55 -04:00
James E. Stine
5bc3569b0e Not sure I understand the Misaligned hptw - seems like a bug and should be L1_ADR instead of L0_ADR 2021-09-03 10:26:38 -05:00
bbracker
4a938e493e output trace to linux-testvectors folder 2021-09-01 17:37:46 -04:00
Ross Thompson
5c2deab4e4 Partial multiway set associative icache. 2021-08-30 10:49:24 -05:00
Katherine Parry
7607adc951 FMA cleanup 2021-08-28 10:53:35 -04:00
Ross Thompson
4b0344898b Fixed bugs I introduced to the icache. 2021-08-27 15:00:40 -05:00