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1208 Commits

Author SHA1 Message Date
Ross Thompson
012559169b Fixed lint errors with bram wrapper. 2022-08-24 13:19:23 -05:00
Ross Thompson
c6927d2ace Modified the lsu/ifu memory configurations. 2022-08-24 12:35:15 -05:00
David Harris
e2138d8d0f bram synthesis test 2022-08-23 19:34:45 -07:00
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
8d48ff4e63 Fixed FPU-IEU forwarding stall 2022-08-23 14:14:41 -07:00
David Harris
8b2e368805 Only stall FPU to IEU on convert instructions with dependencies 2022-08-23 12:57:18 -07:00
David Harris
113258a0d0 Cleaned up fcvt selection control to IEU and FPUIllegalInst signals 2022-08-23 12:17:19 -07:00
David Harris
69be6d0873 Simplify IEU-FP datapath 2022-08-23 11:16:36 -07:00
David Harris
746842107b Improved illegal instruction checking in FPU 2022-08-23 11:08:02 -07:00
David Harris
27cca2e3fd Fixed LSU typos 2022-08-23 10:23:08 -07:00
David Harris
46f30d3dbe Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-23 10:14:59 -07:00
David Harris
13831aa3d3 typo in srtfsm 2022-08-23 10:14:54 -07:00
Katherine Parry
f9aa94f87b Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-08-23 16:36:32 +00:00
Katherine Parry
72a54ef621 renamed rounding bits to L,G,R,S and fixed lint warning 2022-08-23 16:36:20 +00:00
Ross Thompson
1f74528792 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-23 11:15:04 -05:00
Ross Thompson
7080fe7788 Reversed order of supported sized in adrdecs. 2022-08-23 11:14:53 -05:00
Ross Thompson
b0606a1699 Replaced FPU data replicaiton on WriteData bus with 0 extention. 2022-08-23 10:46:03 -05:00
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
9e3d13ca52 Q depends on D 2022-08-23 08:29:59 -07:00
David Harris
7c91ed38a3 LSU minor edits 2022-08-23 07:35:47 -07:00
David Harris
b795cf4731 Updated testbench assertions. 2022-08-23 07:23:24 -07:00
David Harris
a9a5285ba8 Named HTRANS states in busfsm 2022-08-22 13:56:46 -07:00
David Harris
24a05c35d9 Renamed signals for LSU - FPU interface 2022-08-22 13:47:56 -07:00
David Harris
13d863a810 renamed GrantData to LSUGrant 2022-08-22 13:47:19 -07:00
David Harris
34eece10b8 Finished FPU-LSU interface cleanup 2022-08-22 13:43:04 -07:00
David Harris
7151befd04 Removed FStore2 and simplified HPTW 2022-08-22 13:29:54 -07:00
David Harris
bf54c1c868 Simplified FPU-LSU interface to skip IEU 2022-08-22 13:29:20 -07:00
David Harris
fffad8b314 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-22 13:28:54 -07:00
David Harris
2170203847 Simplified FPU-LSU interface to skip IEU 2022-08-22 13:28:51 -07:00
Katherine Parry
a1f0c6c598 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-08-22 17:16:25 +00:00
Katherine Parry
1accb92745 sqrt passes - lint warnings remain 2022-08-22 17:16:12 +00:00
David Harris
564281b8c1 Removed 2-cycle FPU-IEU latency stall 2022-08-22 16:14:15 +00:00
David Harris
1404d1c248 moved CSA to generic 2022-08-22 08:41:23 +00:00
David Harris
a8870b70b2 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-08-22 08:28:31 +00:00
David Harris
b91f33372e Commented out unused comparators 2022-08-22 08:28:28 +00:00
Ross Thompson
88d34d0f56 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-21 16:03:11 -05:00
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
92c3cdc27d Hmm. Found a bug with the cache's changes from the summer. Cannot return data to CPU at the same time as a write to cache's SRAM and also start another memory operation. 2022-08-21 15:28:29 -05:00
Ross Thompson
a049f456e8 Removed logic from Verilog wrapper. 2022-08-21 14:07:43 -05:00
Ross Thompson
dad6770fc3 Updated fpga testbench. 2022-08-21 14:07:26 -05:00
Katherine Parry
617dc02d01 fixed -1 issue in division 2022-08-20 00:53:45 +00:00
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
Katherine Parry
0f077012c3 sqrt tests in regression uncommented and pass 2022-08-07 23:38:10 +00:00
Katherine Parry
8eeca3319c radix-2 1 copy passes testfloat 2022-08-06 22:54:05 +00:00
Katherine Parry
8f1d8669b0 fixed fsw problem and removed 2 bit shift from shift correction 2022-08-03 22:16:51 +00:00
David Harris
8b8f045491 Completed PLIC-S tests. Regression working. This completes peripheral tests. 2022-08-03 09:33:56 -07:00
David Harris
6ee8036ae7 plic-s debug 2022-08-03 12:33:09 +00:00
David Harris
b13cdf79b3 FMA cleanup 2022-08-02 07:42:32 -07:00
David Harris
baeafc4fd2 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-02 07:34:12 -07:00
David Harris
d3e39763b6 Moved InvA to sign block; simplified fmaexpadd coding 2022-08-02 07:34:09 -07:00
Ross Thompson
acd920ae2f Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-01 22:09:11 -05:00
Ross Thompson
f7e64fcd69 Fixed fstore2 in cache? 2022-08-01 22:04:44 -05:00
David Harris
0482bf4fc0 merged lza back into main 2022-08-01 19:45:21 -07:00
David Harris
0b95ca129c Fixed fmaadd to work with new LZA 2022-08-01 19:40:55 -07:00
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
David Harris
8b44037f58 Parameterized fmalza 2022-08-01 16:18:02 -07:00
David Harris
6e78b46761 Completed LZA simplificaiton 2022-08-01 16:13:16 -07:00
David Harris
76021769a7 lza cleanup 2022-08-01 16:01:02 -07:00
David Harris
47d204f4a2 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-08-01 15:47:58 -07:00
David Harris
c8d4f3a542 lza cleanup 2022-08-01 15:47:03 -07:00
David Harris
c531df9c4e lza cleanup 2022-08-01 15:43:48 -07:00
David Harris
5468a90cf3 lza cleanup 2022-08-01 15:40:12 -07:00
David Harris
4953ccf273 lza cleanup 2022-08-01 15:37:09 -07:00
Katherine Parry
66eca28ccd regression passes fpu tests 2022-08-01 19:56:25 +00:00
Katherine Parry
9672f5451a Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-08-01 19:55:50 +00:00
David Harris
31215277ee more lza cleanup 2022-08-01 12:34:00 -07:00
David Harris
48500c642c LZA cleanup 2022-08-01 12:30:42 -07:00
David Harris
87e6402af6 LZA refactoring switched to Pp1, Gm1, Km1 2022-08-01 12:20:23 -07:00
David Harris
5012b96120 LZA refactoring 2022-08-01 11:36:21 -07:00
Katherine Parry
75f39e0c5b Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-08-01 18:35:07 +00:00
David Harris
231f52c1fd fmalza edits to match textbook 2022-08-01 18:23:39 +00:00
David Harris
e3b970d3ff Partitioned fma into separate files 2022-08-01 18:07:38 +00:00
Ross Thompson
01359dbc4b Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-07-31 12:48:51 -05:00
Katherine Parry
de03954946 re-added FStore2 in Cache 2022-07-29 22:54:49 +00:00
David Harris
d2de84a456 Added parity and stop bit tests to UART 2022-07-28 04:35:51 +00:00
David Harris
da275e3c26 Increased timeout threshold to avoid timeout building riscof tests on slow machine 2022-07-27 04:05:21 +00:00
David Harris
ae4ea00ff0 fixed testbench merge comflict 2022-07-26 06:21:46 -07:00
David Harris
449c80b5f7 More work toward riscof tests 2022-07-26 06:19:13 -07:00
David Harris
094aacdf6f Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally 2022-07-25 23:29:08 +00:00
David Harris
ccf8ccfa24 Added rv32f tests to RV64gc 2022-07-25 23:29:05 +00:00
David Harris
539174f6f6 Tests making successfully except for rv32gc_arch32f, which has FLEN=64 and tries using fld/fsd 2022-07-25 16:23:10 -07:00
David Harris
55ab81e37b More riscof makefile tuning 2022-07-25 21:15:56 +00:00
David Harris
6b172723bd Cleaning up Makefiles for riscof to run each set of tests individually and eliminate warnings 2022-07-25 20:50:38 +00:00
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
856ac24686 Removed replay from the config files. 2022-07-24 00:34:11 -05:00
Ross Thompson
e12e6c3acd Added more i-cache signals to wave file. 2022-07-24 00:24:13 -05:00
Ross Thompson
458bfbf6f6 Merged evict dirty clear with flush write back. 2022-07-24 00:22:43 -05:00
Ross Thompson
70032bf8f4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-07-23 08:41:59 -05:00
Ross Thompson
5cd6c8069d signal name cleanup. 2022-07-22 23:36:27 -05:00
Ross Thompson
7d026e02f2 cache cleanup after removing replay on cpubusy. 2022-07-22 23:30:25 -05:00
Ross Thompson
706bc819e1 cache fsm cleanup after removal of replay. 2022-07-22 23:25:09 -05:00
Ross Thompson
0f586c9ed3 Possible improvement to cache which removes the cpu_busy states. 2022-07-22 23:20:37 -05:00