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Author SHA1 Message Date
Noah Boorstin
62b441f3f5 busybear: probably discovered bug in ahb code 2021-03-01 20:56:04 +00:00
Noah Boorstin
965d48afe7 busybear: only check pc when it actually changes 2021-03-01 19:08:35 +00:00
Noah Boorstin
4833b36535 busybear: more adapting to new memory system 2021-03-01 18:50:42 +00:00
Noah Boorstin
26d4024b33 busybear: fix bootram range 2021-03-01 17:45:21 +00:00
David Harris
9bcddfa5dd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-01 00:09:55 -05:00
David Harris
2543c29839 Initial (untested) implementation of lr and sc 2021-03-01 00:09:45 -05:00
Teo Ene
babe6ce9db Properly implemented the fix from commit 31c07b2adc 2021-02-28 22:22:04 -06:00
Noah Boorstin
e4bda37354 Merge branch 'main' into busybear 2021-02-28 20:48:23 +00:00
Noah Boorstin
1858c32e9d add .nfs* files to gitignore 2021-02-28 20:48:01 +00:00
Noah Boorstin
bcc0010498 Merge branch 'main' into busybear 2021-02-28 20:45:08 +00:00
Noah Boorstin
f306d2d2e1 busybear: start preloading bootmem 2021-02-28 20:43:57 +00:00
Noah Boorstin
db86d20d11 busybear: check instead of providing InstrF 2021-02-28 16:46:53 +00:00
Noah Boorstin
a03796a519 busybear: change sstatus, mstatus reset value 2021-02-28 16:19:03 +00:00
Noah Boorstin
6e70ae8b3d busybear: add 2nd dtim for bootram 2021-02-28 16:08:54 +00:00
Noah Boorstin
edd5e9106d busybear: remove gpio, start adding 2nd ram 2021-02-28 06:02:40 +00:00
Noah Boorstin
e5e345d161 busybear: instantiate normal wallypipelinedsoc 2021-02-28 06:02:21 +00:00
Ross Thompson
7592a0dacb Shreya and I found a bug with the exeuction of JAL and JALR instructions. The link was only set in the writeback stage. Once the branch predictor started correctly predicting JAL(R)s the ALU and forwarding logic need to have the PCLinkE at the execution stage in case an instruction in the next two clocks need the data. 2021-02-26 20:12:27 -06:00
Ross Thompson
37e6a45d76 Updating the test bench to include a function radix. Not done. 2021-02-26 19:43:40 -06:00
David Harris
cf03afa880 Eliminated flushing pipeline on CSR reads 2021-02-26 17:00:07 -05:00
David Harris
015b632eb1 Cleaned out unused signals 2021-02-26 09:17:36 -05:00
kaveh pezeshki
c7863d58cd merged with main to integrate with AHB 2021-02-26 05:37:10 -08:00
Noah Boorstin
ab9247d625 busybear: add main ram loading, better instr checking also 2021-02-26 20:26:54 +00:00
kaveh Pezeshki
ad631ec3a1 fixed sensitivity list on error checking always block, removed useless once and for all 2021-02-26 13:41:16 -05:00
kaveh pezeshki
d32421822c restored 2021-02-26 02:22:08 -08:00
David Harris
b16846bddb Clean up bus interface code 2021-02-26 01:03:47 -05:00
David Harris
24f767a404 Retimed peripherals for AHB interface 2021-02-26 00:55:41 -05:00
Brett Mathis
4e6caf64d9 Fcmp/Fsgn pipeline modules 2021-02-25 18:22:30 -06:00
David Harris
c060e427f0 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-02-25 15:49:38 -05:00
David Harris
a16fd95eed Restored to working multiplier after Lab 2 2021-02-25 15:32:43 -05:00
Brett Mathis
ec82453ba1 FPU Assembly tests 2021-02-25 14:32:36 -06:00
Teo Ene
6be5bb1f84 Fixed previous commit 2021-02-25 11:24:44 -06:00
Teo Ene
31c07b2adc Edited imem to account for TIMBASE==0; still hard-coded and needs to be improved, but works with coremark config now. 2021-02-25 11:23:01 -06:00
Teo Ene
61b872a3e8 Changed TIMBASE in coremark config file 2021-02-25 11:03:41 -06:00
Teo Ene
544df9e18c Merge remote-tracking branch 'origin/lab3' into main 2021-02-25 10:28:20 -06:00
Teo Ene
c47872c2af Changed .do file back to run all 2021-02-25 09:58:54 -06:00
David Harris
d00d42cf9a Merged bus into main 2021-02-25 00:28:41 -05:00
David Harris
3b6807368f removed WALLY ALU tests to avoid merge conflict with main branch 2021-02-25 00:15:22 -05:00
Teo Ene
3e5de35fc4 Added provisional coremark files from work with Elizabeth 2021-02-24 20:07:07 -06:00
kaveh pezeshki
3bb8e0d918 condensed always blocks to avoid race conditions 2021-02-24 11:35:28 -08:00
Noah Boorstin
3d82ceffb7 busybear: preload bootram 
thanks to Prof Stine for the .do file commands

@kaveh can you check line 201? it does nothing, but things break when
I remove that line
 2021-02-24 18:46:09 +00:00
David Harris
f5e9c91193 All tests passing with bus interface 2021-02-24 07:25:03 -05:00
kaveh pezeshki
b36a5614b4 added comments for RAM and bootram, removed trailing whitepace 2021-02-23 21:28:33 -08:00
Noah Boorstin
c8e9edcc43 busybear: add bootram section in the same manner as ram 2021-02-24 02:02:28 +00:00
Noah Boorstin
a24270c4ca busybear: add support for subwords in ram 
this is really weird and i'm not sure if i did it right. I'd love if @kaveh could review it
 2021-02-24 01:51:18 +00:00
Noah Boorstin
00605864fc busybear: start adding ram 2021-02-23 22:01:23 +00:00
Katherine Parry
8f5cc19143 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-02-23 20:21:53 +00:00
Katherine Parry
7b103423e1 inital FMA push 2021-02-23 20:19:12 +00:00
Noah Boorstin
d5e7a8a4cf busybear: remove unused signals 2021-02-23 19:38:19 +00:00
Noah Boorstin
ceb7df3561 busybear: instantiate soc instead of hart 2021-02-23 18:59:06 +00:00
David Harris
c52a99ce2d Fixed fetch stall after jump in bus unit 2021-02-23 09:08:57 -05:00