Ross Thompson
7497422667
Changed several things.
...
Removed the need to use async flip flops in SDC.
Added arrs, a synchronizer for reset.
I think this works with the real FPGA hardware.
The last build did not include this arrs but it worked.
2021-11-12 11:13:50 -06:00
Ross Thompson
81054d9168
Fixed issue with dtim (fpga) external abhlite select not triggering.
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Setup the bootloader (bios.s) to copy 127MB and blink LEDs for 5 seconds with 1 second period.
2021-10-25 14:51:54 -05:00
Ross Thompson
32f0b97cd3
Updated uncore to use sdc.
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Fixed bug with fence instruction not correctly clearing dirty bits in d cache.
2021-10-25 14:07:44 -05:00
Ross Thompson
de4ea16d32
Merge branch 'main' into fpga
2021-10-20 16:24:55 -05:00
David Harris
ceaf84a3ce
removed .* from wallypipeliendsoc
2021-10-20 13:49:18 -07:00
Ross Thompson
cefbcd1b0c
Partially sd card read on fpga.
2021-09-30 11:23:09 -05:00
Ross Thompson
af53657eaf
Merge branch 'sdc' into fpga
2021-09-25 19:33:07 -05:00
Ross Thompson
fea439b84d
SDC to ABHLite interface partially done.
...
Added SDC to adrdec and uncore.
2021-09-24 10:45:09 -05:00
Ross Thompson
af74a8c5cb
Third attempt at fixing the write enables for the icache cacheway.
2021-09-09 15:49:27 -05:00
David Harris
fa51ab9f68
Refactored pmachecker to have adrdecs used in uncore
2021-06-23 01:41:00 -04:00
bbracker
303f8e2a7f
give EBU a dedicated PMA unit as just an address decoder
2021-06-22 18:28:08 -04:00
David Harris
336936cc39
Cleaned up name of MTIME register in CSRC
2021-06-18 07:53:49 -04:00
bbracker
5a661a7392
provide time and timeh CSRs based on CLINT's counter
2021-06-17 08:38:30 -04:00
Thomas Fleming
38236e9172
Implement first pass at the PMA checker
2021-04-22 15:34:02 -04:00
Thomas Fleming
3c49fd08f6
Remove imem from testbenches
2021-04-14 20:20:34 -04:00
bbracker
31c6b2d01f
Yee hoo first draft of PLIC plus self-checking tests
2021-04-04 06:40:53 -04:00
David Harris
015b632eb1
Cleaned out unused signals
2021-02-26 09:17:36 -05:00
David Harris
f5e9c91193
All tests passing with bus interface
2021-02-24 07:25:03 -05:00
David Harris
3551cc859b
Data memory bus integration
2021-02-07 23:21:55 -05:00
David Harris
4fbb5f0f1b
Cleaned up hazard interface
2021-02-02 13:53:13 -05:00
David Harris
9d7e242596
Moved fpu to temporary location to fix compile and cleaned up interface formatting
2021-02-01 23:44:41 -05:00
David Harris
396cea1ea7
Reorganized src hierarchically
2021-01-30 11:50:37 -05:00
