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87 Commits

Author SHA1 Message Date
bbracker
ced5039776 Revert "fixed forwarding" 
This reverts commit 0f4a4a6ade.
 2021-06-24 17:39:37 -04:00
bbracker
0f4a4a6ade fixed forwarding 2021-06-24 11:20:21 -04:00
Ross Thompson
d5063bee7d Updated icache to abhlite to use pa_bits length and moved F/D stage instr register to ifu from icache. 2021-06-23 15:13:56 -05:00
David Harris
1972d83002 Refactored pmachecker to have adrdecs used in uncore 2021-06-23 01:41:00 -04:00
David Harris
6dc54acde8 renamed dmem to lsu and removed adrdec module from pmpadrdec 2021-06-22 23:03:43 -04:00
bbracker
ae0fa90450 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-06-22 18:28:30 -04:00
bbracker
b43a8885cd give EBU a dedicated PMA unit as just an address decoder 2021-06-22 18:28:08 -04:00
Katherine Parry
9eb6eb40bf rv64f FLW passes imperas tests 2021-06-22 16:36:16 -04:00
David Harris
aef408af58 Reversed [0:...] with [...:0] in bus widths across the project 2021-06-21 01:17:08 -04:00
David Harris
21a55458ca Made MemPAdrM and related signals PA_BITS wide 2021-06-18 09:36:22 -04:00
David Harris
e03912f64c Cleaned up name of MTIME register in CSRC 2021-06-18 07:53:49 -04:00
bbracker
7d1469a06c provide time and timeh CSRs based on CLINT's counter 2021-06-17 08:38:30 -04:00
David Harris
9a17556de4 Start to parameterize number of PMP Entries 2021-06-08 15:29:22 -04:00
bbracker
17960a6484 Ah big ole merge! Passes sim-wally-batch and linting, so should be fine 2021-06-08 12:41:25 -04:00
bbracker
5026a42fac * GPIO comprehensive testing 
* MEPC more aware if M stage has actually committed
* UART interrupt testing progress
* UART added read IIR side effect of lowering THRE intr
 2021-06-08 12:32:46 -04:00
David Harris
1e67db2f0c Second attept to commit refactoring config files 2021-06-07 12:37:46 -04:00
Katherine Parry
e4db6ea6f5 fixed lint warnings for fpu and lzd 2021-06-05 12:06:33 -04:00
Kip Macsai-Goren
d69501c4fa Cleaned up some unused signals 2021-06-04 21:04:19 -04:00
Kip Macsai-Goren
7e41b17e65 restructured so that pma/pmp are a part of mmu 2021-06-04 17:05:07 -04:00
bbracker
28abd28b1f fixed InstrValid signals and implemented less costly MEPC loading 2021-06-02 10:03:19 -04:00
bbracker
a45b61ede9 turns out I should not have tried renaming FStallD to FPUStallD because that name was already used! All the same it does feel weird to have two such signals floating around \(ah pun!\) 2021-05-28 23:11:37 -04:00
Katherine Parry
65eca433b6 All compare instructions pass imperas tests 2021-05-27 15:23:28 -04:00
Katherine Parry
3869a73a9c renamed top level FPU wires 2021-05-25 20:04:34 -04:00
Katherine Parry
03aea055fa FMV.X.D imperas test passes 2021-05-24 14:44:30 -04:00
Katherine Parry
55f22979ca FSD and FLD imperas tests pass 2021-05-23 18:33:14 -04:00
Katherine Parry
71e4a10efb FMV.D.X imperas test passes 2021-05-20 22:17:59 -04:00
Katherine Parry
409438bc95 floating point infinite loop removed from imperas tests 2021-05-18 10:42:51 -04:00
Thomas Fleming
1fc607b399 Remove busy-mmu and fix missing signal 2021-05-14 07:14:20 -04:00
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
Katherine Parry
9252d08b41 fpu imperas tests run 2021-05-01 02:18:01 +00:00
Thomas Fleming
e091f430e0 Clean up PMA checker and begin PMP checker 2021-04-29 02:20:39 -04:00
Ross Thompson
9e40fb072c Merge branch 'tests' into icache-almost-working 2021-04-25 21:25:36 -05:00
Ross Thompson
d7fea1ba3c almost working icache. 2021-04-23 16:47:23 -05:00
Ross Thompson
c9bdaceddb Fixed icache for 32 bit. 
Merge branch 'cache' into main
 2021-04-22 16:45:29 -05:00
Thomas Fleming
e7822ce20c Implement first pass at the PMA checker 2021-04-22 15:34:02 -04:00
Thomas Fleming
4d4ca24640 Extend stall on leaf page lookups 2021-04-22 01:51:38 -04:00
Thomas Fleming
70c801331a Implement virtual memory protection 2021-04-21 19:58:36 -04:00
Jarred Allen
757b64e487 Merge branch 'main' into cache 
Conflicts:
	wally-pipelined/src/cache/dmapped.sv
	wally-pipelined/src/cache/line.sv
	wally-pipelined/src/ifu/icache.sv
 2021-04-14 18:24:32 -04:00
Thomas Fleming
ae888b5705 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 
Conflicts:
	wally-pipelined/src/ebu/pagetablewalker.sv
 2021-04-13 13:42:03 -04:00
Thomas Fleming
f0c926cf68 Move InstrPageFault to fetch stage 2021-04-13 13:39:22 -04:00
Teo Ene
0bffac2c74 Various code syntax changes to bring HDL to a synthesizable level 2021-04-13 11:27:12 -05:00
Jarred Allen
6ce4d44ae1 Merge from branch 'main' 2021-04-08 17:19:34 -04:00
Thomas Fleming
e807f5d771 Implement support for superpages 2021-04-08 02:44:59 -04:00
Ross Thompson
d901cfc848 Merge branch 'icache_bp_bug' into tests 
Not sure this merge is right.
 2021-04-06 21:46:40 -05:00
Thomas Fleming
5946b860ca Comment out fpu from hart until module exists 2021-04-03 22:34:11 -04:00
Thomas Fleming
8f31e00f6a Merge branch 'mmu' into main 
Conflicts:
	wally-pipelined/src/wally/wallypipelinedhart.sv
 2021-04-03 22:12:52 -04:00
Thomas Fleming
e04ad8f304 Fix extraneous page fault stall 2021-04-03 21:28:24 -04:00
Katherine Parry
08b31f7b2a Integrated FPU 2021-04-03 20:52:26 +00:00
James E. Stine
9026357350 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
f9bf2fbc01 Implement sfence.vma and fix tlb writing 2021-04-01 15:55:05 -04:00