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Author SHA1 Message Date
Ross Thompson
71e20c7f61 Fixed lint errors in the SDC. 2021-09-24 12:38:48 -05:00
Ross Thompson
0f87f68b9d Added either the sdModel or constant driver for the SDC ports in all test benches. 2021-09-24 12:31:51 -05:00
Ross Thompson
af28cfb70c Added SDC defines to each config mode. 
Added sd_top which is the sd card reader.
 2021-09-24 12:24:30 -05:00
Ross Thompson
0a33f5fa46 setup so the sdc does not need to load a model in the imperas test bench. 2021-09-24 11:30:52 -05:00
Ross Thompson
78028947bf Updated Imperas test bench to work with the SDC reader. 2021-09-24 11:22:54 -05:00
Ross Thompson
4256ef82b1 SDC to ABHLite interface partially done. 
Added SDC to adrdec and uncore.
 2021-09-24 10:45:09 -05:00
Ross Thompson
a182263b1c Added clock gater and divider to generate the SDCCLK. 2021-09-23 17:58:50 -05:00
Ross Thompson
9ed7a1f494 Partial implementation of SDC AHBLite interface. 2021-09-23 17:45:45 -05:00
Ross Thompson
0f7be5e591 Started the AHBLite to SDC interface. 2021-09-22 18:08:38 -05:00
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
Ross Thompson
d4f514010d Changes to make fpga synthesizable. 
Added preload to test simple program on wally in fpga.
 2021-09-22 10:54:13 -05:00
Ross Thompson
f5905f33d3 Initial SD Card reader. 2021-09-22 10:50:29 -05:00
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
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
Kip Macsai-Goren
f1981a1267 more input changes on prioirty thermometer. passes lint 2021-09-17 13:07:21 -04:00
kipmacsaigoren
f48c780ec2 added new fun ways of putting inputs into the priority thermometer 2021-09-17 12:00:38 -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
kipmacsaigoren
437f2d5814 changed priority circuits for synthesis and light cleanup 2021-09-15 12:24:24 -05:00
kipmacsaigoren
b2677d2090 Added git things to make it all a little nicer and synthesis work. 2021-09-15 12:15:53 -05:00
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
e98a046f9d Merge branch 'main' into fpga 2021-09-13 09:45:59 -05:00
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
6f9983628e Removed one more genout bit. 2021-09-11 18:42:47 -05:00
Ross Thompson
00b0e6a7aa Merge branch 'main' into fpga 2021-09-11 16:00:23 -05:00
Ross Thompson
759b45ca36 Added calibration input. 
fixed HRESP duplication.
 2021-09-11 15:59:27 -05:00
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
10a3a76fe9 Merge branch 'fpga' of github.com:davidharrishmc/riscv-wally into fpga 2021-09-09 15:49:45 -05:00
Ross Thompson
b04e00d196 Third attempt at fixing the write enables for the icache cacheway. 2021-09-09 15:49:27 -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