Commit Graph

203 Commits

Author SHA1 Message Date
David Harris
73419f0d41 Added buscachefsm for system with bus and cache 2022-08-25 18:01:01 -07:00
David Harris
0b918d6916 Separated busdp for cache from simpler logic for no cache 2022-08-25 17:54:04 -07:00
David Harris
5c1934208a Simplified swbytemask 2022-08-25 17:32:16 -07:00
David Harris
352bf88ac0 FIxed wallypipelinedsoc merge conflict 2022-08-25 15:36:47 -07:00
David Harris
b96942e84c Removed delayed AHB signals from top level 2022-08-25 15:34:14 -07:00
Ross Thompson
ad3e632119 Almost fixed issues with irom and dtim address selection. 2022-08-25 15:52:25 -05:00
Ross Thompson
bbf668e460 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-25 14:45:02 -05:00
David Harris
5b3c68fe74 ahblite cleanup 2022-08-25 12:44:25 -07:00
Ross Thompson
502eb0f5d1 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-25 14:40:52 -05:00
David Harris
d7be94fab2 Cleaned up SelBusWord 2022-08-25 11:18:13 -07:00
David Harris
7a129af9ad Removed M sufix from busdp signals 2022-08-25 11:13:01 -07:00
David Harris
84ba62a04c Renamed LSUFunct3M to Funct3 in busdp 2022-08-25 11:08:12 -07:00
David Harris
78618f5fc0 Renaming LSU signals from busdp 2022-08-25 11:05:10 -07:00
David Harris
cd02c894df renamed BusBuffer to FetchBuffer 2022-08-25 10:44:39 -07:00
David Harris
5dc4fb757a Continued busdp/ebu simplification 2022-08-25 10:20:02 -07:00
David Harris
89860588b8 Renamed AHB signals coming out of LSU to LSH_<AHBNAME> 2022-08-25 09:52:08 -07:00
Ross Thompson
bd9401179d BROKEN. Don't use this commit.
Issue running cacheless with bus.
2022-08-25 11:02:46 -05:00
David Harris
4ecdbb308a Renamed DCache to Cache in busdp/busfsm signal interface 2022-08-25 06:21:22 -07:00
David Harris
cb2c0fe027 Minor name cleanups 2022-08-25 04:28:25 -07:00
David Harris
a3828420c0 Replaced dtim with rom-based IROM in IFU. Moved cache control signals out of DTIM and IROM 2022-08-25 04:06:27 -07:00
David Harris
fe3147806d removed simpleram and modified dtim to use bram1p1rw 2022-08-25 03:39:57 -07:00
Ross Thompson
b650d7e05a Renamed RAM to UNCORE_RAM. 2022-08-24 18:09:07 -05:00
Ross Thompson
c6927d2ace Modified the lsu/ifu memory configurations. 2022-08-24 12:35:15 -05:00
Ross Thompson
0c52c7f69c Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-23 18:52:15 -05:00
Ross Thompson
ee3d968da0 Found small bug in busfsm which was issuing 1 extra memory read after each cache line fetch. Does not appear to have translated to an extra read out of ahblite. 2022-08-23 18:51:11 -05:00
David Harris
27cca2e3fd Fixed LSU typos 2022-08-23 10:23:08 -07:00
Ross Thompson
b9fadc11c3 Replaced LSU data replication with 0 extention. 2022-08-23 10:43:47 -05:00
Ross Thompson
cd0da2e3b3 Updated the names of the *WriteDataM inside the LSU to more meaningful names.
Moved the FWriteDataMux so that the bus and dtim both get fpu stores.
Modified the PMA to disallow double sized reads when XLEN=32.
2022-08-23 10:34:39 -05:00
David Harris
7c91ed38a3 LSU minor edits 2022-08-23 07:35:47 -07:00
David Harris
a9a5285ba8 Named HTRANS states in busfsm 2022-08-22 13:56:46 -07:00
David Harris
34eece10b8 Finished FPU-LSU interface cleanup 2022-08-22 13:43:04 -07:00
David Harris
bf54c1c868 Simplified FPU-LSU interface to skip IEU 2022-08-22 13:29:20 -07:00
Ross Thompson
21526957cf Updated fpga test bench.
Solved read delay cache bug.  Introduced during cache optimizations.
2022-08-21 15:59:54 -05:00
Ross Thompson
96d6218078 Possible reduction of ignorerequest. 2022-08-19 18:07:44 -05:00
Ross Thompson
5301444a61 Changed signal names. 2022-08-17 16:12:04 -05:00
Ross Thompson
970a90dd72 Better name for LSUBusWriteCrit. Changed to SelLSUBusWord. 2022-08-17 16:09:20 -05:00
Ross Thompson
c3bd396bdb Removed old code from interlockfsm. 2022-08-17 12:52:56 -05:00
Ross Thompson
f7e64fcd69 Fixed fstore2 in cache? 2022-08-01 22:04:44 -05:00
Ross Thompson
b8356c7449 Replaced swbytemask with swbytemaskword (1 liner). Credit to David Harris. 2022-08-01 21:12:25 -05:00
Ross Thompson
171cf7413b Replaced LOGWPL with LOGBWPL (Bus words per line) and LOGCWPL (cache words per line). Replaced with wordlen/8 bytemask. 2022-08-01 21:08:14 -05:00
Ross Thompson
5d9dab6149 pulled swbbytemask out of subword write. 2022-08-01 20:48:45 -05:00
Ross Thompson
f1bd2524b7 Don't use this commit yet. Untested. 2022-07-24 15:40:52 -05:00
Ross Thompson
334008630f Overlapped read fetch line end with eviction write line start. I'm a bit concerned this is not well tested. 2022-07-24 01:20:29 -05:00
Ross Thompson
5cd6c8069d signal name cleanup. 2022-07-22 23:36:27 -05:00
Katherine Parry
452b017f9a found the bug in the store modification 2022-07-12 22:42:19 +00:00
Katherine Parry
ca4fe08fd9 renamed FLoad2 to FStore2 2022-07-09 00:26:45 +00:00
Katherine Parry
cd53ae67d9 moved fpu ieu write data mux to lsu 2022-07-08 23:56:57 +00:00
David Harris
d73645944f APB CLINT passing regression 2022-07-05 15:51:35 +00:00
Katherine Parry
6baded9121 added rv32 double precision stores - untested 2022-06-28 21:33:31 +00:00
Katherine Parry
254ebf478e added fld in rv32 - needs testing 2022-06-20 22:53:13 +00:00