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Author SHA1 Message Date
David Harris
85d0b697bf Removed unused StallW from CSRs 2022-12-23 00:21:36 -08:00
David Harris
fe5b9081d9 Removed unused signals from FPU 2022-12-23 00:18:39 -08:00
David Harris
93bb8036be Revert to 98b824 2022-12-22 23:58:14 -08:00
David Harris
a185f563f2 Clean up unused FPU signals 2022-12-22 23:53:09 -08:00
David Harris
74979cdc82 FDIV merge 2022-12-22 23:03:03 -08:00
David Harris
51b92285d3 Removed unused signals in FPU and CSR 2022-12-22 22:59:05 -08:00
Ross Thompson
b6b30533e8 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-12-22 22:51:33 -06:00
Ross Thompson
6b105bd217 Renamed IFU and LSU stalls. 2022-12-22 21:56:33 -06:00
Ross Thompson
5a9e94048a The LSU is properly using FlushW rather than TrapM. 2022-12-22 21:47:34 -06:00
Ross Thompson
ce7e1073fa Success we've replaced TrapM with FlushD in the IFU. 2022-12-22 21:36:49 -06:00
Ross Thompson
677f6f8737 Partial cleanup for BP. 2022-12-22 20:33:38 -06:00
Ross Thompson
942acb354e Closing in on icache flushed by FlushD rather than TrapM. 2022-12-22 20:19:09 -06:00
Ross Thompson
7a0b3d4fc6 Wavefile updates. 2022-12-22 19:45:02 -06:00
Kip Macsai-Goren
964084f0b3 added fs=00 to status fp enabled test 2022-12-22 15:15:53 -08:00
Kip Macsai-Goren
d25d699800 Added status.tvm bit test that passes make and regression 2022-12-22 14:43:22 -08:00
Kip Macsai-Goren
a37bde7452 updated trap handler alignemnts to 64 bytes in priv tests 2022-12-22 14:23:04 -08:00
Ross Thompson
47d61984ad First pass at resolving ifu flush on trap rather than FlushD. 2022-12-22 15:53:06 -06:00
David Harris
567f76c2a5 Code cleanup 2022-12-22 10:04:50 -08:00
cturek
04bc787647 Added negative-result int diviison support in U and UM registers. 13 tests pass! 2022-12-22 16:25:37 +00:00
cturek
1712e69c73 Moved swap from qslc to otfc 2022-12-22 15:44:50 +00:00
cturek
fa03275cca Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-22 05:45:00 +00:00
cturek
c7d0c8823f Added ForwardedSrcAM to postprocessor. Now passing 8 tests on rv32gc. 2022-12-22 05:44:55 +00:00
David Harris
4f7d9eee95 XMerge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-21 20:39:38 -08:00
Ross Thompson
b3ff4fe02e 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
c405dcf0cb worked out some bugs with int div cycles 2022-12-22 02:22:01 +00:00
cturek
e441f90b32 Renamed signals to E and M stages, forwarded preprocessed n to fsm 2022-12-22 00:43:27 +00:00
Ross Thompson
d1aa5ba890 Updated cache fsm names to match book. 2022-12-21 16:49:53 -06:00
Ross Thompson
de161c675c Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-21 16:13:09 -06:00
Ross Thompson
0cb2cf9a5b Changed GatedStallF to GatedStallD. 2022-12-21 16:12:55 -06:00
David Harris
16c8655161 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-21 14:12:25 -08:00
David Harris
a5dc09c97f Added assertion about atomics needing caches 2022-12-21 13:57:28 -08:00
Ross Thompson
14444511a5 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-21 14:57:19 -06:00
Ross Thompson
15042fc856 Updated fpga constraints. 2022-12-21 14:50:01 -06:00
cturek
2c58fd42db Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-21 20:41:38 +00:00
David Harris
3562542728 comment cleanup 2022-12-21 12:39:09 -08:00
David Harris
ca949f2110 Only delegated bits of SIP are readable 2022-12-21 12:32:49 -08:00
cturek
14d9118802 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-12-21 19:35:57 +00:00
cturek
6761101645 fixed normshift calculations 2022-12-21 19:35:47 +00:00
David Harris
998f446e3c git push 
Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main
 2022-12-21 11:31:27 -08:00
David Harris
820e1ab510 Removed unused FPU signals 2022-12-21 11:31:22 -08:00
Ross Thompson
f6393d1288 Waiting on fix for wally64periph uart test. 
would like to remove vectored interrupt adder.
 2022-12-21 13:16:09 -06:00
Ross Thompson
c41d58bd29 Vectored interrupts now require 64 byte alignment. 
Eliminates adder.
 2022-12-21 12:05:49 -06:00
Ross Thompson
2b1e9f8bed The optimzied PC+2/4 logic still hanges on wally32priv. 2022-12-21 09:19:34 -06:00
Ross Thompson
a2329c8e9d Renamed PCPlusUpperF to PCPlus4F. 2022-12-21 09:18:30 -06:00
Ross Thompson
a6ffb4cef3 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
3fc121ef70 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
968e174d68 Changes to wave file. 2022-12-21 08:41:47 -06:00
Ross Thompson
bc5d5e902a Comments about PC+2/4. 2022-12-21 08:35:43 -06:00
David Harris
28085ce8eb Clean up vecgtored interrupts 2022-12-20 16:53:09 -08:00
David Harris
88ee834c97 Converted tvecmux to structural 2022-12-20 16:24:04 -08:00