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62d9185212
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69 Commits

Author SHA1 Message Date
kaveh pezeshki
62d9185212 Merge remote-tracking branch 'origin/tlb_toy' into busybear 2021-02-22 02:23:01 -08:00
Thomas Fleming
21552eaf9d Create simple TLB 
This TLB is just a demonstration and is not currently
instantiated by the IFU or DFU.
 2021-02-18 18:06:09 -05:00
David Harris
2f5b4c3a25 Resotred part of multiplier for lab 2 2021-02-17 16:14:04 -05:00
David Harris
64536dbc34 Removed multiplier for lab 2 2021-02-17 16:06:16 -05:00
David Harris
dc758a0c7b Multiplier tweaks 2021-02-17 16:00:27 -05:00
David Harris
3edf910c18 Started to integrate OSU divider 2021-02-17 15:38:44 -05:00
David Harris
cb0054b524 Multiply instructions working 2021-02-17 15:29:20 -05:00
Noah Boorstin
5835641c6c busybear testbench: check (almost) all the CSRs 2021-02-16 20:03:24 -05:00
David Harris
8dec69c2ce Added MUL 2021-02-15 22:27:35 -05:00
bbracker
9231646fb3 bus rw bugfix and peripherals testing 2021-02-12 00:02:45 -05:00
Noah Boorstin
14cde0d59c Change CSR reset and available bits to conform to OVPsim 
Now actually keeping perfectly in line with OVP for the first 100k instrs. Yay.
 2021-02-04 22:03:45 +00:00
Brett Mathis
79cb7ed571 Parallel FSR's and F CTRL logic 2021-02-04 02:25:55 -06:00
David Harris
91f6858de7 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-02-02 19:44:43 -05:00
David Harris
a44c2abb12 Minor tweaks 2021-02-02 19:44:37 -05:00
Noah Boorstin
00d9e13d68 same thing but do that right this time 2021-02-02 21:47:15 +00:00
Noah Boorstin
56ff32f857 change undefined syntax in extend.sv 
don't need verilator execption anymore
 2021-02-02 21:39:20 +00:00
David Harris
d56d7a75a6 Rename ifu/dmem/ebu signals to match uarch diagram 2021-02-02 15:09:24 -05:00
David Harris
aee44bb343 Changed DTIM latency to 2 cycles 2021-02-02 14:22:12 -05:00
David Harris
4fbb5f0f1b Cleaned up hazard interface 2021-02-02 13:53:13 -05:00
David Harris
c23afbda3a Moved LoadStall generation to IEU 2021-02-02 13:42:23 -05:00
David Harris
aad1d3d7dd Moved writeback pipeline registers from datapth into DMEM and CSR 2021-02-02 13:02:31 -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
Brett Mathis
94de3e9fb2 OSU FPU IP initial commit 2021-02-01 19:33:43 -06:00
David Harris
056b147b13 Renamed DCU to DMEM 2021-02-01 18:52:22 -05:00
David Harris
396cea1ea7 Reorganized src hierarchically 2021-01-30 11:50:37 -05:00
David Harris
fc1fb94217 Working on reading instruction from TIM 2021-01-30 01:57:51 -05:00
David Harris
61fd7c4499 Adding stalls for memory delays 2021-01-30 01:43:49 -05:00
David Harris
9c81278f28 Added HCLK and HRESETn 2021-01-30 00:56:12 -05:00
David Harris
a357f2a0e7 Connected AHB bus to Uncore 2021-01-29 23:43:48 -05:00
David Harris
73a584b223 Added SATP, PMPCFG0-3, PMPADDR0 CSRs for Linux team 2021-01-29 18:06:36 -05:00
David Harris
e700e404c9 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-01-29 17:29:01 -05:00
David Harris
9a51bb27c3 Implemented adrdec for uncore 2021-01-29 17:28:53 -05:00
Teo Ene
9eafdbe349 - Removed latch on CSRCReadValM in csrc.sv 
- Changed top level to wallypipelinedhart
 2021-01-29 15:56:51 -06:00
David Harris
dc2443c55b Moving data memory to uncore 2021-01-29 15:37:51 -05:00
David Harris
ed3cb83c10 Added ahblite bus interface unit 2021-01-29 01:07:17 -05:00
David Harris
618c6e4813 Renamed modules in privileged unit 2021-01-28 23:21:12 -05:00
David Harris
05b755958f Hint to optimize ifu 2021-01-28 21:40:48 -05:00
David Harris
fe0876027f Fixed floating signals in clint and ieu 2021-01-28 15:44:05 -05:00
David Harris
ad5d4793b6 Fixed c.jr instruction improperly writing ra 2021-01-28 15:18:23 -05:00
David Harris
f95d0690ca Created DCU and moved memdp into DCU 2021-01-28 01:03:12 -05:00
David Harris
a50b6c2a15 Provided PC + 2 or 4 (PCLink) for JAL 2021-01-28 00:22:05 -05:00
David Harris
824014c5c0 Repartitioned with Instruction Fetch Unit, Integer Execution Unit 2021-01-27 22:49:47 -05:00
David Harris
616afaba69 Moved privileged unit from datapath to hart 2021-01-27 07:46:52 -05:00
David Harris
b88508ca11 Repartitioned datapath and controller into ieu 2021-01-27 06:40:26 -05:00
David Harris
1d9c741c00 Reset Vector moved to config file 2021-01-25 15:57:36 -05:00
David Harris
fa18052348 Added test configurations 2021-01-25 11:28:43 -05:00
Noah Boorstin
aea1c0cd2e small busybear testbench changes 2021-01-24 20:43:47 -05:00
Noah Boorstin
e7288716f7 Linux testbench works now 
Added parameterized PCSTART to allow compatibility between imperas and busybear tests
Hopefully we are done with the "busybear" branch, please don't use it for future work
 2021-01-24 17:10:00 -05:00
Noah Boorstin
12a8f83025 Merge branch 'busybear' into main 
Merging busybear testbench into main, keeping main edits of wally src
 2021-01-24 16:28:36 -05:00
Noah Boorstin
b08b86f561 sucessfully simulate first 30 instructions 
still need to find a better solution to InstrAccessFault/DataAccessFault though
 2021-01-23 19:01:44 -05:00