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476 Commits

Author SHA1 Message Date
Noah Boorstin
14d2ad1e2d try to remove git-lfs stuff 2021-04-08 13:23:11 -04:00
Domenico Ottolia
3067e94b4b Update privileged testgen & helper script 2021-04-08 05:14:07 -04:00
Domenico Ottolia
65abe13f4f Cause an Illegal Instruction Exception when attempting to write readonly CSRs 2021-04-08 05:12:54 -04:00
Thomas Fleming
fc39535e4e Refactor TLB into multiple files 2021-04-08 03:24:10 -04:00
Thomas Fleming
c54aecde73 Provide attribution link for priority encoder 2021-04-08 03:05:06 -04:00
Thomas Fleming
303c2c4839 Implement support for superpages 2021-04-08 02:44:59 -04:00
ushakya22
83d9aa3a50 MIE privilege tests with working timer interupt 2021-04-07 04:09:09 -04:00
Domenico Ottolia
60cf38192b Add privileged tests to testbench 2021-04-07 02:22:08 -04:00
Domenico Ottolia
465d3986b0 Add passing mtval and mepc tests 2021-04-07 02:21:05 -04:00
Noah Boorstin
284d583877 add busybear boot files with git-lfs 2021-04-05 19:38:43 -04:00
Noah Boorstin
0e3f013212 busybear: reenable 'ruthless' CSR checking 2021-04-05 12:53:30 -04:00
bbracker
38017e6aae declare memread signal 2021-04-05 08:13:01 -04:00
bbracker
a4c3afb847 PLIC claim reg side effects now check for memread signal 2021-04-05 08:03:14 -04:00
bbracker
4a5aa5b202 plic subword access compliance 2021-04-04 23:10:33 -04:00
Katherine Parry
e6a7353847 Added missing files in FPU 2021-04-04 18:09:13 +00:00
bbracker
31c6b2d01f Yee hoo first draft of PLIC plus self-checking tests 2021-04-04 06:40:53 -04:00
Thomas Fleming
6b43381c38 Comment out fpu from hart until module exists 2021-04-03 22:34:11 -04:00
Thomas Fleming
dbd5a4320e Merge branch 'mmu' into main 
Conflicts:
	wally-pipelined/src/wally/wallypipelinedhart.sv
 2021-04-03 22:12:52 -04:00
Thomas Fleming
8dfec29f7e Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-03 22:09:50 -04:00
Noah Boorstin
f4e5642c62 busybear: temporary stop after 800k instrs 2021-04-03 21:37:57 -04:00
Thomas Fleming
1cbdaf1f05 Fix extraneous page fault stall 2021-04-03 21:28:24 -04:00
Katherine Parry
d7b1379ab8 Integrated FPU 2021-04-03 20:52:26 +00:00
Ross Thompson
d21006d048 Partial fix to the integer divide stall issue. 2021-04-02 15:32:15 -05:00
James E. Stine
362f6ea2e6 Minor cleanup 2021-04-02 08:20:44 -05:00
James E. Stine
0595ae983f Put back imperas testbench until figure out why m_supported is running for rv64ic 2021-04-02 08:19:25 -05:00
James E. Stine
cff08adc3a Added some updates to divider - still not working all the time. Still a bug with signals within muldiv - specificaly MultDivE being modified during Execute stage. Seems to be triggered by ahblite signal. 2021-04-02 06:27:37 -05:00
Thomas Fleming
bfb4b051c6 Merge branch 'main' into mmu 2021-04-01 16:29:39 -04:00
Thomas Fleming
350fe87119 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-04-01 16:24:06 -04:00
Thomas Fleming
38a0199260 Merge branch 'mmu' of github.com:davidharrishmc/riscv-wally into mmu 2021-04-01 16:23:19 -04:00
Thomas Fleming
fdb20ee1cf Implement sfence.vma and fix tlb writing 2021-04-01 15:55:05 -04:00
James E. Stine
0495195d68 Fixed some divide -still bug in AHB causing InstStall to deassert and next instruction to get into divide unit. Hope to fix soon. Divide seems to work if given enough time. 2021-04-01 12:30:37 -05:00
Teo Ene
7c364a26e9 Updated MISA in coremark_bare config file 2021-03-31 20:39:02 -05:00
Noah Boorstin
75f58c4df5 busybear: temporarially stop checking CSRs 2021-03-31 14:14:32 -04:00
Noah Boorstin
118e846ef7 busybear: clean up questa warnings 2021-03-31 14:04:57 -04:00
Noah Boorstin
43532be770 busybear: clean up questa warnings 2021-03-31 14:02:15 -04:00
Thomas Fleming
77b8e27205 Disable 'always-on' virtual memory 2021-03-30 22:49:47 -04:00
Thomas Fleming
56e256baa5 Extend lint-wally to lint both rv32 and rv64 2021-03-30 22:42:28 -04:00
Thomas Fleming
eca2427f94 Merge remote-tracking branch 'origin/main' into main 
Bring icache and MMU code together

Conflicts:
	wally-pipelined/src/ifu/ifu.sv
	wally-pipelined/testbench/testbench-imperas.sv
 2021-03-30 22:24:47 -04:00
Thomas Fleming
7126ab7864 Complete basic page table walker 2021-03-30 22:19:27 -04:00
Thomas Fleming
0994d03b28 Update virtual memory tests and move to separate folder 2021-03-30 22:18:29 -04:00
Domenico Ottolia
f7cbaeb217 Add one more test to WALLY-CAUSE, and update privileged testgen 2021-03-30 19:44:58 -04:00
Domenico Ottolia
6619a5f44f Add mcause tests to testbench 2021-03-30 17:17:59 -04:00
Domenico Ottolia
61b19a0cd0 Update privileged tests generator 2021-03-30 16:58:46 -04:00
Domenico Ottolia
351c71e812 Add all working mcause tests 2021-03-30 16:55:12 -04:00
ushakya22
6b9ae41302 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-30 15:25:07 -04:00
ushakya22
fbed5d658e privilege tests 2021-03-30 15:23:47 -04:00
David Harris
8723fb916c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-03-26 13:04:52 -04:00
David Harris
637bba6509 Added fp test to testbench 2021-03-26 13:03:23 -04:00
Shreya Sanghai
339bd5d3eb Merge branch 'PPA' into main 
Conflicts:
	wally-pipelined/testbench/testbench-privileged.sv
 2021-03-25 20:35:21 -04:00
Shreya Sanghai
cc988f420f removed minor bugs 2021-03-25 20:29:50 -04:00
ShreyaSanghai
139c2076a1 Removed PCW and InstrW from ifu 2021-03-26 01:53:19 +05:30
Noah Boorstin
05d362e334 regression: use busybear batch instead 2021-03-25 15:34:10 -04:00
Domenico Ottolia
56a32b5882 More bug fixes for privileged tests 2021-03-25 15:05:55 -04:00
Brett Mathis
162f2df880 FPU Pipeline completed - can begin integration 2021-03-25 13:29:03 -05:00
Domenico Ottolia
f134b09a97 Fix bugs with privileged tests 2021-03-25 14:06:05 -04:00
Noah Boorstin
d02c88dab5 busybear: stop NOPing out atomics 
and bump regression to check for 800k instrs, up from 200k
 2021-03-25 13:29:56 -04:00
David Harris
eb9787609e testgen-PIPELINE python startup 2021-03-25 13:12:18 -04:00
Shriya Nadgauda
21989ee615 adding PIPELINE tests 2021-03-25 13:07:25 -04:00
Teo Ene
51291949d8 Config file for ppa experiments 2021-03-25 10:23:21 -05:00
David Harris
a8abd47fbc Added PPA README 2021-03-25 11:21:31 -04:00
Thomas Fleming
e3900bd0fa Finish finite state machines for page table walker 2021-03-25 02:48:40 -04:00
Thomas Fleming
b5003b093a Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-03-25 02:35:21 -04:00
bbracker
a3788eb218 added 1 tick delay to dtim flops 2021-03-25 02:23:30 -04:00
bbracker
02e924e55a instrfaults not respecting stalls bugfix 2021-03-25 00:16:26 -04:00
bbracker
1e3f683a9d upgraded gpio bus interface 2021-03-25 00:15:02 -04:00
bbracker
e98dd420bc future work comment about suspicious-looking verilog in csri.sv 2021-03-25 00:10:44 -04:00
Thomas Fleming
b1d849c822 Add all PMP addr registers 2021-03-24 21:58:33 -04:00
Teo Ene
a3aa103dc7 Fix typo from last commit 2021-03-24 17:09:58 -05:00
Teo Ene
4427b5ec01 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-03-24 17:04:48 -05:00
Teo Ene
e43849b82c Updated coremark_bare testbench for IM 2021-03-24 17:04:43 -05:00
Katherine Parry
18cb1f4873 fixed various bugs in the FMA 2021-03-24 21:51:17 +00:00
Teo Ene
385ce9a8f9 Added BPTYPE to coremark_bare config 2021-03-24 16:38:29 -05:00
Domenico Ottolia
d67e28bf50 re-organize privileged tests to be in rv64p to rv32p folders 2021-03-24 13:51:25 -04:00
Katherine Parry
56dc8de009 fixed various bugs in the FMA 2021-03-24 01:35:32 +00:00
Teo Ene
ef3d2dda48 Added BOOTTIM to InstrAccessFaultF calculation in uncore/imem 2021-03-23 15:21:13 -05:00
Shreya Sanghai
1d6a2989ed PC counts branch instructions 2021-03-23 14:25:51 -04:00
Jarred Allen
7da8af4c68 Another tweak to regression-wally.py comments 2021-03-23 00:18:38 -04:00
Jarred Allen
82de84469f Slight change to regression-wally.py comments 2021-03-23 00:02:40 -04:00
Noah Boorstin
849641f31e busybear: add better warning on illegal instruction 
...also it seems that mret is being picked up as an illegal instruction??
 2021-03-22 18:24:35 -04:00
Noah Boorstin
34b8f750ce busybear: temporarially force rf[5] correct after failure to read CSR 2021-03-22 18:12:41 -04:00
Noah Boorstin
77dd0b4504 busybear: allow overwriting read values 2021-03-22 17:28:44 -04:00
Noah Boorstin
7bb31c3287 busybear: finally get the right error 2021-03-22 16:52:22 -04:00
bbracker
5efd5958e7 added delays to uart AHB signals 2021-03-22 15:40:29 -04:00
Noah Boorstin
2aa76b27e1 busybear: comment out some debug printing 2021-03-22 14:54:05 -04:00
Noah Boorstin
74bcd9b994 regression: expect 200k instead of 100k busybear instrs 
and a minor busybear bugfix
 2021-03-22 14:47:52 -04:00
bbracker
11d4a8ab34 first pass at PLIC interface 2021-03-22 10:14:21 -04:00
Katherine Parry
f741ba7702 fixed various bugs in the FMA 2021-03-21 22:53:04 +00:00
Katherine Parry
e317e7511e messy FMA rewrite using section 7.5.4 in The Handbook of Floating-Point Arithmetic 2021-03-20 02:05:16 +00:00
bbracker
85363e941d AHB bugfixes and sim waveview refactoring 2021-03-18 18:25:12 -04:00
Shreya Sanghai
09faa40eb6 fixed minor bugs in testbench 2021-03-18 17:37:10 -04:00
Shreya Sanghai
bbe0957df5 Merge branch 'gshare' into main 
Conflicts:
	wally-pipelined/regression/wave.do
 2021-03-18 17:25:48 -04:00
Ross Thompson
1091dd10c1 Switched to gshare from global history. 
Fixed a few minor bugs.
 2021-03-18 16:05:59 -05:00
Ross Thompson
8f4051543c Fixed minor bug with the size of gshare. 2021-03-18 16:00:09 -05:00
Shreya Sanghai
eb86bfc084 removed unnecesary PC registers in ifu 2021-03-18 16:31:21 -04:00
Thomas Fleming
8d484174a7 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-03-18 14:36:42 -04:00
Thomas Fleming
7f7597e667 Connect tlb, pagetablewalker, and memory 2021-03-18 14:35:46 -04:00
Thomas Fleming
7d4906b1c7 Improve page table creation in python file 2021-03-18 14:27:09 -04:00
Noah Boorstin
bc1a0c6ee7 change ifndef to generate/if 2021-03-18 12:50:19 -04:00
Noah Boorstin
a2b0af460e everyone gets a bootram 2021-03-18 12:35:37 -04:00
Noah Boorstin
ced2a32d21 busybear: update memory map, add GPIO 2021-03-18 12:17:35 -04:00