Commit Graph

4645 Commits

Author SHA1 Message Date
Ross Thompson
b1475df5e1 Wavefile updates. 2022-12-22 19:45:02 -06:00
Ross Thompson
41fe876e7a First pass at resolving ifu flush on trap rather than FlushD. 2022-12-22 15:53:06 -06:00
cturek
3574bedb08 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-22 05:45:00 +00:00
cturek
80ca75e216 Added ForwardedSrcAM to postprocessor. Now passing 8 tests on rv32gc. 2022-12-22 05:44:55 +00:00
David Harris
c42967f5c6 XMerge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-21 20:39:38 -08:00
Ross Thompson
c8c73f47d2 CacheEn enables reading or writing the cache memory arrays. This is only disabled if we have a stall while in the ready state and we don't have a cache miss. This is a cache hit, but we are stalled. 2022-12-21 22:13:05 -06:00
cturek
0b4d81bd4a worked out some bugs with int div cycles 2022-12-22 02:22:01 +00:00
cturek
c3fdc0ab23 Renamed signals to E and M stages, forwarded preprocessed n to fsm 2022-12-22 00:43:27 +00:00
Ross Thompson
84f8d9953f Updated cache fsm names to match book. 2022-12-21 16:49:53 -06:00
Ross Thompson
d72cf65809 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-21 16:13:09 -06:00
Ross Thompson
e7a44d8975 Changed GatedStallF to GatedStallD. 2022-12-21 16:12:55 -06:00
David Harris
d0a3e939e3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-21 14:12:25 -08:00
David Harris
8bc753a291 Added assertion about atomics needing caches 2022-12-21 13:57:28 -08:00
Ross Thompson
e5f7e68d31 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-21 14:57:19 -06:00
Ross Thompson
b7224cc5ba Updated fpga constraints. 2022-12-21 14:50:01 -06:00
cturek
0c30ecf86d Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-21 20:41:38 +00:00
David Harris
6d46261350 comment cleanup 2022-12-21 12:39:09 -08:00
David Harris
c7f3aae084 Only delegated bits of SIP are readable 2022-12-21 12:32:49 -08:00
cturek
ab71962dc0 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-21 19:35:57 +00:00
cturek
c479b9f112 fixed normshift calculations 2022-12-21 19:35:47 +00:00
David Harris
5ef3a1d371 git push
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
2022-12-21 11:31:27 -08:00
David Harris
e327d70cdc Removed unused FPU signals 2022-12-21 11:31:22 -08:00
Ross Thompson
c3b43b2fac Waiting on fix for wally64periph uart test.
would like to remove vectored interrupt adder.
2022-12-21 13:16:09 -06:00
Ross Thompson
0b4186f1e8 Vectored interrupts now require 64 byte alignment.
Eliminates adder.
2022-12-21 12:05:49 -06:00
Ross Thompson
91f948a91c The optimzied PC+2/4 logic still hanges on wally32priv. 2022-12-21 09:19:34 -06:00
Ross Thompson
6858b7568c Renamed PCPlusUpperF to PCPlus4F. 2022-12-21 09:18:30 -06:00
Ross Thompson
3d95aa3423 Added timeout check to testbench.
A watchdog checks the value of PCW.  If it does not change within 1M cycles immediately stop simulation and report an error.
2022-12-21 09:18:00 -06:00
Ross Thompson
ac94b55e74 Fixed minor bug in PLIC. reading interrupt source 0 should not return x. it should provide produce 0.
Switched to even simplier PC+2/4 logic.
2022-12-21 09:00:09 -06:00
Ross Thompson
a02b40cf02 Changes to wave file. 2022-12-21 08:41:47 -06:00
Ross Thompson
fe723af1af Comments about PC+2/4. 2022-12-21 08:35:43 -06:00
David Harris
5d91b3044f Clean up vecgtored interrupts 2022-12-20 16:53:09 -08:00
David Harris
dd0a02f0c8 Converted tvecmux to structural 2022-12-20 16:24:04 -08:00
Ross Thompson
f860440361 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 18:09:37 -06:00
Ross Thompson
80be2e7be5 privileged pc mux cleanup. 2022-12-20 18:05:44 -06:00
Ross Thompson
97593e8a6f Moved privileged pc logic into privileged unit. 2022-12-20 17:55:45 -06:00
David Harris
8f640f050f IFU mux for CSRWriteFenceM conditional on ZICSR/ZIFENCEI 2022-12-20 15:38:30 -08:00
Ross Thompson
35ad49502f Implement FENCE.I as NOP when ZIFENCEI is not supported. 2022-12-20 17:34:11 -06:00
Ross Thompson
0dc09ac22d Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 17:11:35 -06:00
Ross Thompson
65cbff9283 Changed long names of vectored pcm signals. 2022-12-20 17:01:20 -06:00
David Harris
f3e9950317 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-20 14:43:33 -08:00
David Harris
e7702e48b7 FPU remove unused signals 2022-12-20 14:43:30 -08:00
Ross Thompson
6f543d01b7 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 16:36:44 -06:00
Ross Thompson
8029b12f2a Renumbered bits for PCPlusUpper. 2022-12-20 16:33:49 -06:00
David Harris
caef1a6997 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-20 11:23:53 -08:00
David Harris
f0ef5caf32 Memory cleanup 2022-12-20 11:22:26 -08:00
Ross Thompson
c4901450c4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 12:58:59 -06:00
Ross Thompson
684d260005 Reorganized IFU PCNextF logic. 2022-12-20 12:58:54 -06:00
David Harris
03c700d91c Restored rv32d arch test after new push 2022-12-20 10:56:33 -08:00
David Harris
e74d47bcb4 Renamed renamed sram to ram 2022-12-20 08:36:45 -08:00
David Harris
16f3c25cb7 sram1p1rw cleanup 2022-12-20 02:57:51 -08:00