Xavi/cvw
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7a6d1ab393
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159 Commits

Author SHA1 Message Date
Kevin Kim
7a6d1ab393 added bitmanip 64 tests to updated regression script 
+ alu structural mux changes
 2023-03-20 14:19:39 -07:00
Kevin Kim
728be29ce3 formatting 2023-03-20 13:09:49 -07:00
Kevin Kim
07a43e1935 Merge branch 'main' of https://github.com/openhwgroup/cvw into bit-manip 2023-03-20 13:06:10 -07:00
Kevin Kim
9e5360e31f format + min/max structural mux 2023-03-20 09:37:57 -07:00
Kevin Kim
bc9cd4a26e more checks in bitmanip decode 2023-03-10 17:17:24 -08:00
Kevin Kim
869c7283e8 formatting 2023-03-10 14:32:01 -08:00
Kevin Kim
827cf567e6 removed redundant convinvb signal 2023-03-10 14:18:24 -08:00
Kevin Kim
a5841c6fb2 removed redundant condinvb mux 2023-03-10 14:17:38 -08:00
David Harris
2614448218 Simplified SLT and SLTU code in ALU 2023-03-09 15:14:52 -08:00
Kevin Kim
6ee15c6e2c more comprehensive illegal b instr. check 2023-03-09 12:44:51 -08:00
Kevin Kim
5853854f52 fixed bmu bug 
- accidentally deleted count instruction decode
 2023-03-09 12:35:42 -08:00
Kevin Kim
2175702f6d cleaner bmu decode logic 2023-03-08 16:22:43 -08:00
Kevin Kim
f2090d25c4
Merge branch 'bit-manip' into illegal_specific 2023-03-07 14:07:59 -08:00
Kevin Kim
20af58cdd4 alu formatting 2023-03-07 14:01:47 -08:00
Kevin Kim
b33b0afc77 specifc instruction handling for B's 
- Added BALUSrcBD, BaseALUSrcB for distinguishing between base instruction I/IW and Bitmanip instruction I/IW
 2023-03-07 13:58:08 -08:00
Kip Macsai-Goren
47bbe72d1f Merge branch 'bit-manip' of github.com:kipmacsaigoren/cvw into bit-manip 2023-03-07 13:44:51 -08:00
Kip Macsai-Goren
34c0f86d37 Merge branch 'main' of github.com:kipmacsaigoren/cvw into bit-manip 2023-03-07 13:44:19 -08:00
Kevin Kim
3b874b964f Merge remote-tracking branch 'origin' into illegal_specific 2023-03-07 11:30:36 -08:00
Kevin Kim
dc456415c1 formatting 2023-03-07 10:57:52 -08:00
Kevin Kim
7ec33ca094 shifter sign generation logic optimize 2023-03-07 10:57:06 -08:00
Kevin Kim
7651d41c90 reverted backing to working version 2023-03-07 00:29:58 -08:00
Kevin Kim
8c20d67659 reverted to working version 2023-03-07 00:28:07 -08:00
David Harris
4fd461e520 Fixed bug about rv64 shifts only using 6 bits of funct7 2023-03-06 13:10:51 -08:00
David Harris
94dd39795e Simplified decoder default to illegal instruction 2023-03-06 11:21:11 -08:00
David Harris
08f1ed8e53 More detailed decoding of load/store/branch/jump 2023-03-06 11:15:48 -08:00
David Harris
a01e0bd318 Improved decoding illegal instructions in controller 2023-03-06 11:02:42 -08:00
Kevin Kim
4a31ab1bc3 structural changes in cnt.sv 2023-03-06 06:44:15 -08:00
Kevin Kim
45697f050d formatting 2023-03-06 06:20:25 -08:00
Kevin Kim
c38a5d9151 formatting 
- reverted back to ALUResult signal in alu.sv
 2023-03-06 06:19:01 -08:00
Kevin Kim
474b69967a formatted files 2023-03-06 05:52:08 -08:00
Kevin Kim
288c7ad48c updated license header 2023-03-06 05:41:53 -08:00
Kevin Kim
cec1e89c78 bug fix 2023-03-05 15:20:48 -08:00
Kevin Kim
19beed7866 extend unit structural mux 2023-03-05 15:09:02 -08:00
Kevin Kim
7531bf1fd6 zbb result select mux structural 2023-03-05 14:57:30 -08:00
Kevin Kim
3656d42ac0 zbc input mux structural 2023-03-05 14:26:31 -08:00
Kevin Kim
869e812aa8 revA signals to cnt, zbb 2023-03-05 14:26:24 -08:00
Kevin Kim
0e6ea0ee60 ALU changes 
- added PreShiftAmt signal for shadd
- condinvB now muxes from B instead of mask
 2023-03-05 14:06:24 -08:00
Kevin Kim
3d5ee8d964 bug in bctrl 
- deleted the min/minu decoding for some reason.
 2023-03-04 23:56:33 -08:00
Kevin Kim
6ead150cb1 BSelect from OH encoding to Binary 2023-03-04 23:19:31 -08:00
Kevin Kim
4b1ee5a196 alu pre-shift 
-changed ALU pre shift logic to use a 2 bit shifter instead of mux
 2023-03-04 23:07:06 -08:00
Kevin Kim
b0f152de28 added python script 
-I've been using this python script to make quick changes to the bitmanip controller
 2023-03-04 22:54:32 -08:00
Kevin Kim
6295178073 removed rotate signal in datapath and instead packed into the new BALUControl Signal 
- BALUControl contains Rotate, Mask, PreShift signals to select from the respective generation muxes in the ALU
 2023-03-04 22:44:03 -08:00
Kevin Kim
b6dd855395 zbc result mux is now structural 2023-03-04 09:22:21 -08:00
Kevin Kim
6e52113208 Rotate signal now gets generated in bmu ctrl 2023-03-03 22:57:49 -08:00
Kevin Kim
18ab538a5e license comments 2023-03-03 21:52:34 -08:00
Kevin Kim
efce306aab removed redundant signals in controller 2023-03-03 21:52:25 -08:00
Kevin Kim
448e950eba b controller generates comparison signed flag and controller branch signed logic updated accordingly 2023-03-03 17:12:29 -08:00
Kevin Kim
0bb75132c6 sltD signal debug. Passes regression 2023-03-03 12:44:33 -08:00
Kevin Kim
d24f74dc4b sltD logic optimize 2023-03-03 12:35:40 -08:00
Kevin Kim
66b15b9163 Merge branch 'bctrlmigrate' of https://github.com/kipmacsaigoren/cvw into bctrlmigrate 2023-03-03 09:54:08 -08:00