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141 Commits

Author SHA1 Message Date
Ross Thompson
87ed6d510c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-05 15:27:22 -06:00
Ross Thompson
301166d062 Oups. I forgot to update other do files with the commands to preload the branch predictor memories. 2021-03-05 15:23:53 -06:00
Noah Boorstin
86142e764a Merge branch 'main' into busybear 2021-03-05 20:27:19 +00:00
bbracker
850a2e9329 added a delay to sel signals 2021-03-05 15:07:34 -05:00
bbracker
77e2e357a7 more merging fixes 2021-03-05 14:36:07 -05:00
bbracker
ed4ff1ecd0 remove deprecated mem signals 2021-03-05 14:27:38 -05:00
bbracker
0f4a231543 first merge of ahb fix 2021-03-05 14:24:22 -05:00
Noah Boorstin
f48af209c4 busybear: make CSRs only weird for us 2021-03-05 00:46:32 +00:00
Ross Thompson
a662aa487c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-04 17:31:27 -06:00
Noah Boorstin
dfae278ffb busybear: make imperas tests work again 2021-03-04 22:44:49 +00:00
Katherine Parry
cfac6bf0c7 fixed various bugs 2021-03-04 22:20:39 +00:00
Katherine Parry
09564f1c77 fixed various bugs 2021-03-04 22:20:28 +00:00
Katherine Parry
a6bc39b5ad fixed various bugs 2021-03-04 22:20:23 +00:00
Katherine Parry
526e3f5996 fixed various bugs 2021-03-04 22:20:02 +00:00
Katherine Parry
1e906b36a0 fixed various bugs 2021-03-04 22:19:21 +00:00
Katherine Parry
3fb0f323b8 fixed various bugs 2021-03-04 22:18:47 +00:00
Katherine Parry
fdfc0dbf46 fixed various bugs 2021-03-04 22:18:19 +00:00
Noah Boorstin
735c6789ea busybear: comment out instraccessfaultf for imem for now 2021-03-04 20:26:41 +00:00
Noah Boorstin
827dfd774b Merge branch 'main' into busybear 
Conflicts:
	wally-pipelined/src/uncore/imem.sv
 2021-03-04 20:16:03 +00:00
Ross Thompson
66e84f3a2c Merge branch 'bp' into main 
Concerns:
1. I don't think the correct data buses are going to the multiplier.
2. I'm not sure the FlushF signal is correct.
 2021-03-04 13:35:46 -06:00
Ross Thompson
4d14c714a7 Fixed forwarding around the 2 bit predictor. 2021-03-04 13:01:41 -06:00
Ross Thompson
52d95d415f Converted to using the BTB to predict the instruction class. 2021-03-04 09:23:35 -06:00
Thomas Fleming
de3f2547f4 Install dtlb in dmem 2021-03-04 03:30:06 -05:00
Thomas Fleming
1df7151fb6 Install tlb into ifu 2021-03-04 03:11:34 -05:00
Thomas Fleming
2e409f2299 Merge branch 'tlb_toy' into main 2021-03-04 02:41:11 -05:00
Thomas Fleming
5f98c932bf Move tlb into mmu directory 2021-03-04 02:39:08 -05:00
Teo Ene
f060f6cb9d Fix to 32-bit option of commit babe6ce9db 2021-03-04 01:33:34 -06:00
Thomas Fleming
d9f396ee0e Merge branch 'main' into tlb_toy 2021-03-04 01:18:04 -05:00
Thomas Fleming
347275e7ee Generalize tlb module 
- number of tlb entries is now parameterized
- tlb now supports rv64i
 2021-03-04 01:13:31 -05:00
Noah Boorstin
62b441f3f5 busybear: probably discovered bug in ahb code 2021-03-01 20:56:04 +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
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
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
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
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
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