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79 Commits

Author SHA1 Message Date
Ross Thompson
18e739befc Modified cache lru to not have the delayed write. 2022-10-04 15:14:58 -05:00
Ross Thompson
38edbde966 Renamed RW signals through the caches, bus interfaces, and IFU/LSU. 
CPU to $ is called LSURWM or IFURWF.
CPU to Bus is called BusRW
$ to Bus is called CacheBusRW.
 2022-09-23 11:46:53 -05:00
Ross Thompson
7f1ae039b0 Optimization. Able to remove hptw address muxes from the E stage. 2022-09-08 15:51:18 -05:00
David Harris
bc0c7d0cd8 Cleaned up SelBusWord 2022-08-25 11:18:13 -07:00
David Harris
3ba961d1a8 renamed BusBuffer to FetchBuffer 2022-08-25 10:44:39 -07:00
Ross Thompson
ebe4339953 Updated fpga test bench. 
Solved read delay cache bug.  Introduced during cache optimizations.
 2022-08-21 15:59:54 -05:00
Ross Thompson
2ba390adf4 Possible reduction of ignorerequest. 2022-08-19 18:07:44 -05:00
Ross Thompson
517c0f6c35 Changed signal names. 2022-08-17 16:12:04 -05:00
Ross Thompson
f6e5746e59 Better name for LSUBusWriteCrit. Changed to SelLSUBusWord. 2022-08-17 16:09:20 -05:00
Ross Thompson
413a9bf58b Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-01 22:09:11 -05:00
Ross Thompson
57fcf0ef79 Fixed fstore2 in cache? 2022-08-01 22:04:44 -05:00
Ross Thompson
3cd8404917 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
Katherine Parry
1bd6351e1f re-added FStore2 in Cache 2022-07-29 22:54:49 +00:00
Ross Thompson
40e7cda84a Don't use this commit yet. Untested. 2022-07-24 15:40:52 -05:00
Ross Thompson
05484c4c05 signal name cleanup. 2022-07-22 23:36:27 -05:00
Ross Thompson
27e32980ad cache cleanup after removing replay on cpubusy. 2022-07-22 23:30:25 -05:00
Ross Thompson
abc79c6c8e Possible improvement to cache which removes the cpu_busy states. 2022-07-22 23:20:37 -05:00
Ross Thompson
a79e5e11f6 Merged together the cache speed updates with the cache sram changes. The fstore2 changes still need to be added. 2022-07-18 23:37:18 -05:00
Katherine Parry
62205ebb3b renamed FLoad2 to FStore2 2022-07-09 00:26:45 +00:00
Katherine Parry
97e7e619d9 moved fpu ieu write data mux to lsu 2022-07-08 23:56:57 +00:00
Ross Thompson
d716c25275 Fixed an issue with direct map cache's nextway logic. 
Also found a small error in the replacement policy.
 2022-07-06 18:34:30 -05:00
Madeleine Masser-Frye
d8ea12c6f4 fixed concatenation syntax 2022-07-05 22:36:54 +00:00
Katherine Parry
8f98f3bfab added rv32 double precision stores - untested 2022-06-28 21:33:31 +00:00
David Harris
7e3f75a35d Formatting cache.sv 2022-05-03 10:53:20 +00:00
Ross Thompson
ab9738d3be Hacky fix to prevent ITLBMissF and TrapM bug. 2022-04-12 17:56:23 -05:00
Ross Thompson
3dbf6790e1 Towards allowing dtim + bus. 2022-03-11 14:58:21 -06:00
Ross Thompson
81a2fbb6d2 mild cleanup. 2022-03-11 13:05:47 -06:00
Ross Thompson
11e5aad38a Moved subcachelineread inside the cache. There is some ugliness to still resolve. 2022-03-11 12:44:04 -06:00
Ross Thompson
a12016e69b Moved subcacheline read inside the cache. 2022-03-11 11:03:36 -06:00
Ross Thompson
326ecda060 removed unused parameter. 2022-03-11 10:43:54 -06:00
Ross Thompson
bdfca503fa Name cleanup. 2022-03-10 18:44:50 -06:00
Ross Thompson
d77adbd673 Signal name cleanup. 2022-03-10 18:26:58 -06:00
Ross Thompson
d5f524a15e Added byte write enables to cache SRAMs. 2022-03-10 15:48:31 -06:00
Ross Thompson
60e6c1ffa7 Moved cacheable signal into cache. 2022-03-08 16:34:02 -06:00
David Harris
48705457d5 LSU/Cache code review notes 2022-03-04 00:07:31 +00:00
Ross Thompson
fcbb577f31 Cache mods to be consistant with diagrams. 2022-02-14 12:40:51 -06:00
Ross Thompson
6e1a0af5d0 Eliminated more ports in cacheway. 2022-02-13 15:53:46 -06:00
Ross Thompson
a440bc2ac5 More cache cleanup. 2022-02-13 15:47:27 -06:00
Ross Thompson
1e7e59bdbd Changed names of signals in cache. 2022-02-13 15:06:18 -06:00
Ross Thompson
f87a6f2c63 More cache cleanup. 2022-02-13 12:38:39 -06:00
Ross Thompson
f5c4bca47e Formating improvements to cache. 2022-02-11 23:10:58 -06:00
Ross Thompson
ae2011eb07 Reduced seladr to 1 bit as second bit is same as selflush. 2022-02-11 22:41:36 -06:00
Ross Thompson
cb3d71a63d Reduced complexity of the address selection during flush. 2022-02-11 22:27:27 -06:00
Ross Thompson
a0ee2f3d99 Removed redundant signals from cache. 2022-02-11 22:23:47 -06:00
Ross Thompson
411997010b Replacement policy cleanup. 2022-02-10 11:40:10 -06:00
Ross Thompson
3a0af5d9e9 Cleanup + critical path optimizations. 2022-02-10 11:11:16 -06:00
Ross Thompson
fc68c2f09a Cache name clarifications. 2022-02-10 10:50:17 -06:00
Ross Thompson
e00d404154 More cache cleanup. 2022-02-10 10:43:37 -06:00
Ross Thompson
2a989e6d05 More cache cleanup. 2022-02-09 19:29:15 -06:00
Ross Thompson
911ee36b22 Removed all possilbe paths to PreSelAdr from TrapM. 2022-02-09 19:20:10 -06:00