Ross Thompson
9f76e1d64d
Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main
2021-07-19 12:32:35 -05:00
Ross Thompson
b61dad4b83
Fixed a complex bug in the dcache, where back to back loads would lose data on the load before a stall occurred. The solution was to modify the logic for SelAdrM in the dcache so that a stall would cause the SRAM to reread the address in the Memory stage rather than Execution stage. This also required updating the ReadDataWEn control so it is always enabled on ~StallW.
2021-07-19 12:32:16 -05:00
bbracker
1b0b9d0f79
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-19 13:21:04 -04:00
bbracker
f31a0ded75
change buildroot expectations to match reality
2021-07-19 13:20:53 -04:00
Kip Macsai-Goren
93820169f1
rename page table levels
2021-07-19 13:00:59 -04:00
Kip Macsai-Goren
3d878ff4c0
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-19 13:00:25 -04:00
Ross Thompson
4d53b9002f
Broken.
...
Possible change to walker, dcache, tlb addressing.
Improves the naming of address signals.
But has a problem when the walker finishes the dcache does not get the correct
address on the cycle the DTLB is updated. This leads to incorrect index
selection in the dcache.
2021-07-19 10:33:27 -05:00
bbracker
67eb1f5c6b
change sram1rw to have a small delay so that we don't have signals changing on clock edges
2021-07-19 11:30:07 -04:00
Kip Macsai-Goren
55fc939ac6
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-19 10:56:48 -04:00
Kip Macsai-Goren
ab142300ef
Revert "added priority circuit to attempt to remove delay due to rippling in pmpadrdec"
...
This reverts commit 9461fd9fbd51e17a416a7df6982379fbfa6b0974.
2021-07-19 10:46:17 -04:00
David Harris
2ed6285a3d
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-19 10:34:18 -04:00
Kip Macsai-Goren
e4a9abc16c
added priority circuit to attempt to remove delay due to rippling in pmpadrdec
2021-07-19 10:34:17 -04:00
James Stine
7d571f27a6
delete sbtm_a4 and sbtm_a5 as they are not needed
2021-07-19 08:06:00 -05:00
James Stine
186b5dee69
remove sbtm3.sv - not needed
2021-07-19 08:00:53 -05:00
James Stine
5b1f9797f5
update part I on sbtm change
2021-07-19 07:59:27 -05:00
David Harris
8e01007d1c
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-19 00:25:06 -04:00
Abe
60769388a0
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-18 23:09:57 -04:00
Katherine Parry
c9180f4ebd
FDIV and FSQRT passes when simulating in modelsim
2021-07-18 23:00:04 -04:00
bbracker
2a33526f8e
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-18 21:50:05 -04:00
bbracker
e4a50a5bb8
change memread testvectors to not left-shift bytes and half-words
2021-07-18 21:49:53 -04:00
David Harris
46ab609498
Updated FMA1 with parameterized size
2021-07-18 20:40:49 -04:00
James E. Stine
dcc690a938
temp fpdivsqrt
2021-07-18 20:04:18 -04:00
bbracker
5e9dcb3f1c
linux testbench progress
2021-07-18 18:47:40 -04:00
David Harris
ed64d37e65
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-18 17:36:29 -04:00
David Harris
4f8f52f283
Added FLEN, NE, NF to config and started using these in FMA1
2021-07-18 17:28:25 -04:00
Katherine Parry
60dabb9094
fdivsqrt inegrated, but not completley working
2021-07-18 14:03:37 -04:00
David Harris
8317be5aed
Renamed pagetablewalker to hptw
2021-07-18 04:11:33 -04:00
David Harris
c75d70126f
LSUArb: Removed Demuxes on ReadDataW, DataMiisalignedM, HPTWStall
2021-07-18 03:51:30 -04:00
David Harris
3f7a3b280e
HPTW: Simpliifieid PRegEn
2021-07-18 03:35:38 -04:00
David Harris
60bd27a40e
Removed EndWalk signal and simplified TLBMissReg
2021-07-18 03:26:43 -04:00
Ross Thompson
14220684b6
Fixed bug with rv32a/WALLY-LRSC test in imperas. Minor issue.
2021-07-17 21:02:24 -05:00
Ross Thompson
009c5314b4
Fixed LRSC in 64bit version. 32bit version is broken.
2021-07-17 20:58:49 -05:00
David Harris
8bdf1eaf0f
added lrsc.sv
2021-07-17 21:15:08 -04:00
David Harris
8d348dacce
Started atomics
2021-07-17 21:11:41 -04:00
David Harris
574f7d9c32
moved subwordread to lsu
2021-07-17 20:37:20 -04:00
David Harris
e82374d19f
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2021-07-17 20:01:23 -04:00
David Harris
9a86fc899b
LSU cleanup
2021-07-17 20:01:03 -04:00
David Harris
d9750c16a5
Pushing HPTWPAdrM flop into LSUArb
2021-07-17 19:39:18 -04:00
David Harris
586341a41a
Simplified VPN case statement
2021-07-17 19:34:01 -04:00
Ross Thompson
9cfbc4aec0
Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main
2021-07-17 18:27:44 -05:00
David Harris
35b7577be2
Finished HPTW TranslationPAdr simlification
2021-07-17 19:27:24 -04:00
Ross Thompson
1aac97030a
Before returning to the ready state the dcache must set SelAdr = 0 on the cycle before.
2021-07-17 18:26:29 -05:00
David Harris
2b1fdfbae2
Further TranslationVAdr simplification
2021-07-17 19:24:37 -04:00
David Harris
b785a20f90
Continued Translation Address Cleanup of TranslationPAdrMux
2021-07-17 19:16:56 -04:00
David Harris
fc88b3a693
Continued Translation Address Cleanup
2021-07-17 19:09:13 -04:00
David Harris
6536ef8dce
Refining address interface between HPTW and LSU
2021-07-17 19:02:18 -04:00
David Harris
7b92e7e590
Fixed bad register in I-FSD-01 Imperas test.
2021-07-17 17:08:07 -04:00
David Harris
a67292b5f3
trap.sv comment cleanup
2021-07-17 16:01:07 -04:00
David Harris
c1c3249709
trap.sv cleanup
2021-07-17 15:57:10 -04:00
David Harris
af5e1f7f39
Finished removing PageTableEntry redundant signals from hptw
2021-07-17 15:50:52 -04:00
