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207 Commits

Author SHA1 Message Date
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
David Harris
817f81c356 Debugging Bus interface 2021-02-22 13:48:30 -05:00
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
acd7ba8b60 Updated creation date of mul 2021-02-18 08:13:08 -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
David Harris
f00728448a WALLY ALU tests 2021-02-15 10:16:31 -05:00
David Harris
37dba8fd26 More memory interface, ALU testgen 2021-02-15 10:10:50 -05:00
Domenico Ottolia
75d9091fe8 Add privileged test cases 2021-02-14 17:01:46 -05:00
Shreya Sanghai
30bfd7534c added branch tests 2021-02-12 22:40:08 -05:00
Noah Boorstin
7312da1a99 busybear: allow testbench to ignore lack of MMU for now 
I'd really like to go over this with someone else, not sure if this is
a good thing to be doing

If it is, we're at 1M instructions!
 2021-02-12 20:08:56 +00:00
Noah Boorstin
97302dd12f busybear: slightly neater error handling 2021-02-12 17:21:56 +00:00
bbracker
9231646fb3 bus rw bugfix and peripherals testing 2021-02-12 00:02:45 -05:00
Noah Boorstin
5bf6add635 bump into virtual/physcial memory? 2021-02-11 23:06:12 -05:00
Noah Boorstin
4427780a41 busybear: more updates 
now gets to instruction 839037 before failing
also updates to match new gdb output format

umm there seems to be something wrong with the SSTATUS CSR. Just leaving
it out for now, will come back and check it later
 2021-02-11 22:42:58 -05:00
Tejus Rao
5158ca4220 added test cases for ADDW, SUBW, SLLW, SRLW, SRAW 2021-02-11 13:38:38 -05:00
Teo Ene
8a6de4fb86 Adding coremark testbench and do files that Elizabeth has written thus far, on this account, in order to avoid merge conflicts 2021-02-10 20:48:39 -06:00
ethan-falicov
9edc4b6bfe Fixed merge conflict stuff 2021-02-10 10:03:30 -05:00
ethan-falicov
7e8a58de1a More merge conflicts yay 2021-02-10 09:54:30 -05:00
ethan-falicov
f778f464b7 Merge conflict fixing 2021-02-10 09:45:47 -05:00
ethan-falicov
06541260e0 Adding I Type test cases from Lab 1 2021-02-10 09:39:43 -05:00
David Harris
183a2dcfb5 Debugging bus interface. 2021-02-10 01:43:54 -05:00
David Harris
2357f5513b Debugging instruction fetch 2021-02-09 11:02:17 -05:00
David Harris
63c7c18771 Fixed lw by delaying read value by one cycle 2021-02-07 23:28:21 -05:00
David Harris
3551cc859b Data memory bus integration 2021-02-07 23:21:55 -05:00
Jarred Allen
403a0d033c Fix compile error in imperas testbench 2021-02-07 15:48:12 -05:00
Elizabeth Hedenberg
81a1eb9a74 merge conflict? 2021-02-07 02:34:49 -05:00
Noah Boorstin
01c0f9db63 Busybear: next week of updates 
- move parsed instructions out of git, to /courses/e190ax/busybear_boot
 - parsed first 1M instructions, and now parse from split GDB runs
 - now at about 230k instructions, can't progress further for now since atomic instructions
   aren't implemented yet
 2021-02-07 03:14:48 +00:00
Jarred Allen
48ade25577 Actually run the WALLY-LOAD tests 2021-02-06 14:56:40 -05:00
Jarred Allen
edd758453e Add test vector set for load instructions 2021-02-06 13:05:59 -05:00
bbracker
691d651fde JAL testing 2021-02-05 08:08:42 -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
Thomas Fleming
8588a1ed6b Complete STORE tests 2021-02-04 15:38:22 -05:00
Noah Boorstin
dc881bd51b busybear: add more CSRs 2021-02-04 20:13:36 +00:00
Noah Boorstin
d9431d5bed busybear: check initial values also 2021-02-04 19:22:09 +00:00
Brett Mathis
79cb7ed571 Parallel FSR's and F CTRL logic 2021-02-04 02:25:55 -06:00
Jarred Allen
ea791cb057 Change busybear test to use work-busybear library 2021-02-03 11:12:47 -05:00
Jarred Allen
743695400d Start on a test set for loads 2021-02-03 00:37:43 -05:00
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
Jarred Allen
10f023b44d Refactor regression test 2021-02-02 17:22:29 -05:00
Noah Boorstin
b370be4a8a Add busybear testbench to nightly regression checking 
If you don't like how I did this please feel free to undo it
 2021-02-02 22:05:35 +00:00
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
e661b32821 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-02-02 13:42:35 -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
Jarred Allen
5090537f3c Fix intermittent errors caused by weird library stuff 2021-02-02 11:20:09 -05:00
Noah Boorstin
8d53e36bbc Busybear: start checking CSRs 
scounteren and mcounteren are currenly manually deleted from the CSRs list
(see slack channl #linux-bringup)

and 3 of the CSRs referenced are skipped because of weird locations for them

oh and this doesn't check their initial state, just their changing. This could be a problem
 2021-02-02 06:06:03 +00:00
David Harris
9d7e242596 Moved fpu to temporary location to fix compile and cleaned up interface formatting 2021-02-01 23:44:41 -05:00
Jarred Allen
2b75e38239 Fix issues in parallel regression testing 2021-02-01 23:29:03 -05:00
Noah Boorstin
c634b2f81e busybear: start adding CSR checking 
@kaveh is there a less verbose way to do this?
 2021-02-01 22:08:51 -05:00
Brett Mathis
94de3e9fb2 OSU FPU IP initial commit 2021-02-01 19:33:43 -06:00
Noah Boorstin
ff88214730 busybear: change register file checking to only store register changed 
this should make parsedRegs.txt much smaller
 2021-02-02 01:27:43 +00:00
Noah Boorstin
416b3fc96c Add PCW checking 
for now, doesn't check InstrW because it fails on compressed instructions
 2021-02-01 23:57:33 +00:00
David Harris
056b147b13 Renamed DCU to DMEM 2021-02-01 18:52:22 -05:00
Jarred Allen
84801213d6 Parallelize regression-wally.p 2021-02-01 15:40:27 -05:00
Noah Boorstin
a432d607ce busybear: print warning when NOPing out instructions 2021-02-01 19:44:56 +00:00
Noah Boorstin
b7f63c1dc7 busybear: NOP out floating point instructions for now 
Why does linux even try to do float stuff doing booting??
also, now runs the first 100k instructions!
 2021-01-30 19:52:47 +00:00
Noah Boorstin
4358f086be update busybear testbench to conform to new structure 
aaaaaaaaaaaaaaaaaahhhh so many changes

also the testbench now uses another internal signal,
which I don't like, but I can't think of a better option rn
 2021-01-30 19:19:00 +00:00
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
8d4f5277d2 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-01-29 15:38:01 -05:00
David Harris
dc2443c55b Moving data memory to uncore 2021-01-29 15:37:51 -05:00
Teo Ene
3d02d6f09f Added AHBW to rv32ic config file as well 2021-01-29 12:29:08 -06:00
Noah Boorstin
194d5b55ab update busybear testbench to conform to new structure 2021-01-29 17:46:50 +00:00
David Harris
a94c09cad8 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-01-29 01:07:22 -05:00
David Harris
ed3cb83c10 Added ahblite bus interface unit 2021-01-29 01:07:17 -05:00
Noah Boorstin
dabb026104 busybear: lie about MISA to match OVP's MISA 2021-01-29 00:58:56 -05:00
Noah Boorstin
8ab5879af5 busybear testbench: test on first 100k instrs 
currently gets about 47k instrs correctly
also fix gdb parsing to avoid accidently matching on function names
 2021-01-29 00:14:23 -05:00
David Harris
618c6e4813 Renamed modules in privileged unit 2021-01-28 23:21:12 -05:00
David Harris
fd2f854a69 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-01-28 21:40:57 -05:00
David Harris
05b755958f Hint to optimize ifu 2021-01-28 21:40:48 -05:00
Noah Boorstin
619dec1490 busybear: simulate first 10k instructions 
I know we need to add CSR checking sometime soon
Also I'm a bit sketpical this is all working properly, and that no new bugs
were uncovered from 1k instrs to 10k instrs
 2021-01-28 19:44:58 -05:00
Noah Boorstin
4f84bd3c8f busybear: fix misaligned writing checking 2021-01-28 19:35:09 -05:00
Noah Boorstin
beb93e2508 busybear: add more test instructions 
currently testing first 1k instrs
 2021-01-28 16:41:37 -05:00
Noah Boorstin
287cf4e5a6 oops forgot to add C.BEQZ, C.BNEZ checks to busybear testbench 2021-01-28 16:35:12 -05:00