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797 Commits

Author SHA1 Message Date
Domenico Ottolia
353d4e9238 Update cause tests to be longer 2021-05-03 22:38:26 -04:00
Domenico Ottolia
db4e447a25 Add mtvec and stvec tests to testbench 2021-05-03 22:19:50 -04:00
Shriya Nadgauda
c10d332c6e working testbench-imperas 2021-05-03 22:16:58 -04:00
Shriya Nadgauda
0be6b81df9 finishing merge conflict changes 2021-05-03 22:15:05 -04:00
Shriya Nadgauda
52e0b703b7 merge conflict fixes 2021-05-03 22:12:30 -04:00
Shriya Nadgauda
0282aebec7 updated pipeline tests 2021-05-03 22:07:36 -04:00
Thomas Fleming
f78f2b3b5d Adjust attributes in PMA checker 2021-05-03 21:58:32 -04:00
David Harris
96e90402c5 Rolled back fflush on uart. Use -syncio in Modelsim command line instead. 2021-05-03 20:04:44 -04:00
David Harris
062120f944 Flush uart print statements on \n 2021-05-03 19:51:51 -04:00
David Harris
743011194b Flush uart print statements on \n 2021-05-03 19:41:37 -04:00
David Harris
4285d60041 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-05-03 19:37:56 -04:00
David Harris
8758b6efa1 Flush uart print statements on \n 2021-05-03 19:37:45 -04:00
Elizabeth Hedenberg
08bfaeffe3 coremark print statment 2021-05-03 19:35:08 -04:00
Elizabeth Hedenberg
800f799b7c coremark updates 2021-05-03 19:35:07 -04:00
Elizabeth Hedenberg
81ed9b5d06 coremark directory changes 2021-05-03 19:35:06 -04:00
David Harris
2f5649832a Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-05-03 19:29:01 -04:00
David Harris
1f2da4c457 Flush uart print statements on \n 2021-05-03 19:25:28 -04:00
Ross Thompson
6a01ea9f2d Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-05-03 16:57:36 -05:00
Domenico Ottolia
e59f8037be Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-05-03 17:56:05 -04:00
Ross Thompson
21c0ee0cf2 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-05-03 16:56:00 -05:00
Ross Thompson
ed4f2ecb24 fixed subtle typo in icache fsm. Was messing up hit spill hit. 
I believe the mibench qsort benchmark runs after this icache fix.
 2021-05-03 16:55:36 -05:00
Domenico Ottolia
ab68933466 Fix bug that caused stvec to get the wrong value 2021-05-03 17:54:57 -04:00
Thomas Fleming
3f7061d557 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-05-03 17:38:13 -04:00
Thomas Fleming
86a93d77b4 Implement PMP checker and revise PMA checker 2021-05-03 17:37:42 -04:00
Thomas Fleming
00c3b5a033 Remove remnants of InstrReadC 2021-05-03 17:36:25 -04:00
Jarred Allen
a21b84e2ad Add lint to regression 2021-05-03 17:32:05 -04:00
Ross Thompson
0a44d4dd4e Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-05-03 14:53:54 -05:00
Ross Thompson
e09ac73eaf Removed combinational loops between icache and PMA checker. 2021-05-03 14:51:25 -05:00
Ross Thompson
7185905f7b Reduced icache to 1 port memory. 2021-05-03 14:47:49 -05:00
David Harris
699a8f3ac3 Extended maximum signature length to 1M 2021-05-03 15:29:20 -04:00
Katherine Parry
3f05e31954 fpu warnings fixed/commented 2021-05-03 19:17:09 +00:00
Thomas Fleming
94d734cca9 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Conflicts:
	wally-pipelined/src/ebu/ahblite.sv
 2021-05-03 14:02:19 -04:00
Ross Thompson
12b978fec2 Eliminated extra register and fixed ports to icache. 
Still need to support physical tag check and write in icache memory.
Still need to reduce to 1 port SRAM in icache.
I would like to refactor the icache code.
 2021-05-03 12:04:54 -05:00
bbracker
8ec0d18444 merge conflict resolved -- Ross and I made the same fix 2021-05-03 10:10:42 -04:00
bbracker
1db608fbc6 small rv64 plic test bugfix 2021-05-03 10:06:44 -04:00
Ross Thompson
fdf4954a20 Added back in function name to wave.do 2021-05-03 09:04:48 -05:00
Ross Thompson
b57c187208 Fixed typo in ifu for bypassing branch predictor. 
Fixed missing signal name in local history predictor.
 2021-05-03 08:56:45 -05:00
David Harris
c9806fb472 Fixed lint error in div 2021-05-03 09:26:12 -04:00
bbracker
fb0910d9c0 ifu lint fixes 2021-05-03 09:25:22 -04:00
bbracker
acd99be7f8 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-05-03 09:23:52 -04:00
Noah Boorstin
8d417558ae busybear: remove now unneeded hack for fixed CSR issue 2021-05-01 15:17:04 -04:00
Katherine Parry
9252d08b41 fpu imperas tests run 2021-05-01 02:18:01 +00:00
bbracker
0d62440f60 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-30 06:26:35 -04:00
bbracker
9c08ce5359 rv32 plic test and lint fixes 2021-04-30 06:26:31 -04:00
Noah Boorstin
c9fcd3405d rollback regression to 400k instrs for busybear 2021-04-29 20:59:30 -04:00
Domenico Ottolia
830787e3e1 Make vectored interrupt trap handling work, and add tests for mtvec with vectored interrupts 2021-04-29 20:42:14 -04:00
Ross Thompson
893e03d55b Fixed memory size in configs for rv32ic and rv64ic. 
Removed warning on call to $fscanf.
 2021-04-29 17:36:46 -05:00
Domenico Ottolia
750d276feb Minor improvements to scause test 2021-04-29 16:48:07 -04:00
Domenico Ottolia
fdbd238a87 Add machine-mode timer interrupts to mcause tests 2021-04-29 16:39:18 -04:00
Thomas Fleming
10c7260980 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-29 16:30:00 -04:00
Domenico Ottolia
c9cb2f51d1 Same but don't break sim-wally this time 2021-04-29 15:33:27 -04:00
Domenico Ottolia
fdd4deec2f Add more exceptions to medeleg tests 2021-04-29 15:32:13 -04:00
ushakya22
de23edcfb9 fix to pcm bug 2021-04-29 15:21:08 -04:00
ushakya22
f139f248dc Working MIE timer tests 2021-04-29 15:19:43 -04:00
Domenico Ottolia
99a927be47 Add medeleg tests 2021-04-29 15:02:36 -04:00
Jarred Allen
246b41e604 Enhance lint-wally functionality 2021-04-29 14:48:41 -04:00
Jarred Allen
c6996ce39d Remove signal which no longer exists from default waves, so sim-wally works 2021-04-29 14:41:10 -04:00
Jarred Allen
000f48cd75 Fix compile error in branch predictor 2021-04-29 14:36:56 -04:00
Shreya Sanghai
b554dc8e72 fixed bug in gshare, global and local history BP 2021-04-29 06:14:32 -04:00
Thomas Fleming
e091f430e0 Clean up PMA checker and begin PMP checker 2021-04-29 02:20:39 -04:00
Thomas Fleming
d29ddddc3f Remove unused waves from .do files 2021-04-29 02:19:46 -04:00
Thomas Fleming
6515c0b9ed Add mmu waves (commented) to busybear 2021-04-28 20:01:05 -04:00
Noah Boorstin
9275f141f9 same but do that right this time 2021-04-28 14:27:28 -04:00
Domenico Ottolia
1c30625382 Modify make file to make privileged tests always pass Imperas (for testing interrupts) & Add mtvec/stvec tests 2021-04-27 21:47:38 -04:00
Noah Boorstin
fce3d6a8b1 busybear: respect branch predictor disable config 2021-04-27 15:52:18 -04:00
Ross Thompson
d191bc6cc1 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-26 14:28:09 -05:00
Ross Thompson
14a69c1d06 Added the ability to exclude branch predictor. 2021-04-26 14:27:42 -05:00
Noah Boorstin
922c8e450f ok but do that better 2021-04-26 14:38:05 -04:00
Noah Boorstin
24bbb674d3 linux: start using internal branch predictor signal 2021-04-26 14:34:38 -04:00
Ross Thompson
a7e4d39ea1 Fixed issue with not saving the first cache block read on a miss spill. 2021-04-26 12:57:34 -05:00
Noah Boorstin
9cbc769083 minor busybear fixes 2021-04-26 13:24:39 -04:00
Ross Thompson
44d28dbd1c Icache integrated! 
Merge branch 'icache-almost-working' into main
 2021-04-26 11:48:58 -05:00
Ross Thompson
615831f588 Reverted back the exe2memfile.pl script changes. Something I changed broke the load tests. 2021-04-26 10:44:27 -05:00
bbracker
f921886451 merge cleanup; mem init is broken 2021-04-26 08:00:17 -04:00
bbracker
7947858481 it says I need to merge in order to pull 2021-04-26 07:46:24 -04:00
bbracker
8d77012995 progress on bus and lrsc 2021-04-26 07:43:16 -04:00
Ross Thompson
9e40fb072c Merge branch 'tests' into icache-almost-working 2021-04-25 21:25:36 -05:00
bbracker
46a1616079 thomas fixed it before I did 2021-04-24 09:38:52 -04:00
bbracker
5687ab1c96 do script refactor 2021-04-24 09:32:09 -04:00
Thomas Fleming
ff675a5647 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-23 20:12:27 -04:00
Thomas Fleming
dc3ffc9244 Add address translation to busybear testbench 2021-04-23 20:12:20 -04:00
Thomas Fleming
6f23858609 Fix HSIZE and HBURST signal widths in PMA checker 2021-04-23 20:11:43 -04:00
David Harris
9c9fe56292 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-23 19:04:29 -04:00
David Harris
e3b28db969 Fixed exe2memfile.pl to handle large files 2021-04-23 19:04:16 -04:00
Ross Thompson
d7fea1ba3c almost working icache. 2021-04-23 16:47:23 -05:00
Noah Boorstin
50df9d11e1 busybear 2021-04-23 17:32:37 -04:00
Shriya Nadgauda
2a5c243b0b adding pipeline testing 2021-04-23 14:19:17 -04:00
Jarred Allen
9a88d83851 Remind people to run make allclean when a regression fails 2021-04-22 19:21:00 -04:00
Ross Thompson
c9bdaceddb Fixed icache for 32 bit. 
Merge branch 'cache' into main
 2021-04-22 16:45:29 -05:00
Ross Thompson
04eb302925 Yes. The hack to not repeat the d memory operation fixed this issue. 2021-04-22 15:22:56 -05:00
Thomas Fleming
5bff582608 Write PCM to TVAL registers 2021-04-22 16:17:57 -04:00
Thomas Fleming
07770a46d8 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-22 15:37:19 -04:00
Thomas Fleming
74fb1dccad Prepare to squash bad ahb accesses 2021-04-22 15:36:45 -04:00
Thomas Fleming
c055ab272d Clean up lint errors in fpu and muldiv 
booth.sv had an actual error where a signal was being assigned to too
many bits. muldiv has a lot of non blocking assignments, so I suppressed
those warnings so the linter output was readable.
 2021-04-22 15:36:03 -04:00
Domenico Ottolia
787ae978d7 Fix misa synthesis bug (for real now) 2021-04-22 15:35:20 -04:00
Thomas Fleming
e7822ce20c Implement first pass at the PMA checker 2021-04-22 15:34:02 -04:00
Thomas Fleming
848508530c Pass lint-wally arguments to verilator 2021-04-22 13:39:20 -04:00
Jarred Allen
8baa2a350d Add buildroot to regression test 2021-04-22 13:34:56 -04:00
Thomas Fleming
805ac5dbd7 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-22 13:20:12 -04:00
Thomas Fleming
f9e071baf8 Temporarily disable rv64 mmu test 
Will restore once cache revamp is pushed
 2021-04-22 13:19:18 -04:00
bbracker
c796547156 greatly improved PLIC register interface 2021-04-22 11:22:01 -04:00
Ross Thompson
7c8d2e9b78 Partially working icache. 
The current issue is a StallF is required to halt the icache from getting an updated PCF. However
if the dmemory is the reason for a stall it is possible for the icache stall to hold the d memory request continuously causing d memory to repeatedly read from memory.  This keeps StallF high and
the icache FSM is never allowed to complete.
 2021-04-22 10:20:36 -05:00
Thomas Fleming
d22f0f9d63 Refactor tlb_ram to use flop primitives 2021-04-22 01:52:43 -04:00
Thomas Fleming
4d4ca24640 Extend stall on leaf page lookups 2021-04-22 01:51:38 -04:00
Domenico Ottolia
939e36a151 Fix misa bug 2021-04-22 00:59:07 -04:00
Thomas Fleming
88bd151d55 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Conflicts:
	wally-pipelined/src/ifu/ifu.sv
 2021-04-21 20:01:08 -04:00
Thomas Fleming
70c801331a Implement virtual memory protection 2021-04-21 19:58:36 -04:00
Ross Thompson
50e893eec9 Fixed for the instruction spills. 2021-04-21 16:47:05 -05:00
Teo Ene
6da8530104 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-21 16:06:33 -05:00
Teo Ene
008b308b79 Fixed most relevant remaining synthesis compilation warnings with Ben 2021-04-21 16:06:27 -05:00
Noah Boorstin
0afd5ae5f6 buildroot: add workaround for weird initial MSTATUS state 2021-04-21 16:03:42 -04:00
Ross Thompson
269ea7997c major progress. 
It's running the icache is imperas tests now.
Compressed does not work yet.
 2021-04-21 08:39:54 -05:00
Domenico Ottolia
82320033d5 Add tests for stval and mtval 2021-04-21 02:31:32 -04:00
Domenico Ottolia
fed42ffe19 Add tests for scause, and improve tests for sepc. Also make improvements to privileged test generator run.sh file 2021-04-21 01:12:55 -04:00
Domenico Ottolia
d5f86fadac Add tests for sepc register 2021-04-20 23:50:53 -04:00
Ross Thompson
a861a37b72 Why was the linter messed up? 
There are a number of combo loops which need fixing outside the icache.  They may be fixed in main.
We get to instruction address 50 now!
 2021-04-20 22:06:12 -05:00
Ross Thompson
daa1ab9261 Progress on icache. Fixed some issues aligning the PC with instruction. Still broken. 2021-04-20 21:19:53 -05:00
Ross Thompson
649589ee2c Broken icache. Design is done. Time to debug. 2021-04-20 19:55:49 -05:00
Domenico Ottolia
e02ff60b07 Fix synthesis warnings for privileged unit (replace 'initial' settings) 2021-04-20 17:57:56 -04:00
Noah Boorstin
c7a09d2359 yay buildroot passes a decent amount of tests now 
gets through the first 15k instructions, that's good enough for now
also slight change to string parsing in busybear testbench
 2021-04-19 03:26:08 -04:00
Jarred Allen
59b340dac9 Merge branch 'main' into cache 2021-04-19 00:05:23 -04:00
Katherine Parry
204e5cb018 fixed synth bugs in fpu 2021-04-19 00:39:16 +00:00
Noah Boorstin
10c7ac7f73 slowly more buildroot progress 2021-04-18 18:18:07 -04:00
Noah Boorstin
d0a137ce0c neat verilog thing 2021-04-18 17:48:51 -04:00
Noah Boorstin
5902637632 buildroot: sim is now running! 
yes it only gets through 5 instructions right now. Yes that's my fault.
 2021-04-17 14:44:32 -04:00
Noah Boorstin
541fb22dc9 start to add buildroot testbench 
This still uses testbench-busybear.sv
I think it might be time to finally rename nearly 'busybear' thing to 'linux'
 2021-04-16 23:27:29 -04:00
Jarred Allen
3868a82932 dcache lints 2021-04-15 21:13:56 -04:00
Jarred Allen
32cfbc6926 Enable linting of blocks not yet in the hierarchy 2021-04-15 21:13:40 -04:00
bbracker
11cf251378 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-15 21:09:27 -04:00
bbracker
195cead01c working GPIO interrupt demo 2021-04-15 21:09:15 -04:00
Domenico Ottolia
b1cd107a00 Add tests for scause and ucause 2021-04-15 19:41:25 -04:00
Domenico Ottolia
a149f2f3d8 Add support for vectored interrupts 2021-04-15 19:13:42 -04:00
Domenico Ottolia
70b79ca301 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-15 16:57:27 -04:00
Domenico Ottolia
8c4cfa5f69 Add 32 bit privileged tests 2021-04-15 16:55:39 -04:00
Teo Ene
a9c6d357d8 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-15 15:29:09 -05:00
Teo Ene
7a40c27b59 Quick fix to ahblite missing default statement done in class :) 2021-04-15 15:29:04 -05:00
Thomas Fleming
e8770e3eac Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Conflicts:
	wally-pipelined/src/mmu/priority_encoder.sv
 2021-04-15 16:20:43 -04:00
Thomas Fleming
e838f0bb3d Change priority encoder to avoid extra assignment 2021-04-15 16:17:35 -04:00
Thomas Fleming
2c4682c4be Connect tlb and icache properly 2021-04-15 14:48:39 -04:00
Teo Ene
cefc8ea22b Temporary change to mmu/priority_encoder.sv 
Necessary to get synth working
Original HDL is still there, just commented out
 2021-04-15 13:37:12 -05:00
Katherine Parry
0bdd3efdd5 integraded the FMA into the FPU 2021-04-15 18:28:00 +00:00
Jarred Allen
7b4b1a31ef Merge branch 'main' into cache 2021-04-15 13:47:19 -04:00
Ross Thompson
534e3eaac8 Merge branch 'bpfixes' into main 2021-04-15 09:06:21 -05:00
Shreya Sanghai
75caa65df1 Cherry Pick merge of Shreya's localhistory predictor changes into main. 
fixed minor bugs in localHistory
 2021-04-15 09:04:36 -05:00
ShreyaSanghai
80fbd66113 added localHistoryPredictor 2021-04-15 08:58:22 -05:00
Shreya Sanghai
3696bf4f2c fixed bugs in global history to read latest GHRE 
Cherry pick Shreya's commits into main branch.
 2021-04-15 08:55:22 -05:00
bbracker
76f50d7a69 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-04-15 09:06:03 -04:00
bbracker
da22308e60 csri lint improvement 2021-04-15 09:05:53 -04:00
Jarred Allen
4d58f673b2 Add a comment to explain a detail 2021-04-14 23:14:59 -04:00
Thomas Fleming
d281ecd067 Remove imem from testbenches 2021-04-14 20:20:34 -04:00