Commit graph

61 commits

Author SHA1 Message Date
jl7719 ad68ab0974 Debugging and debugging
PC, Jump instr, branches
2020-12-16 12:29:22 +00:00
jl7719 0891f7e653 Debug mult/div to work
it works now
2020-12-16 08:38:46 +00:00
jl7719 4ff160db1a Fix syntax errors from mult/div 2020-12-16 05:04:45 +00:00
Jeevaha Coelho 90917f7566 Updated PC, Harv, ALU, to work w/ MULT(U), DIV(U) 2020-12-15 13:48:28 -08:00
jl7719 85efff275a Fix program counter taking two cycles for each instr 2020-12-15 15:53:30 +00:00
jl7719 fc5c8a17f5 Fix signed error in alu block 2020-12-15 15:19:51 +00:00
Jeevaha Coelho 85ba783a69 Fixed signing error in alu and added excel file 2020-12-15 05:21:37 -08:00
Jeevaha Coelho 5df8a72ca1 fixed naming convention errors in pc and harvard 2020-12-15 03:16:01 -08:00
jl7719 51dbe68ea8 Fix running on different environment issue
Now completely shifted to Ubuntu 18.04 setup should work for everyone
2020-12-14 17:38:39 +00:00
jl7719 7150487472 Rename initialisation files 2020-12-13 14:54:53 +09:00
jl7719 943745a1e0 Tested all that can be tested for now
Mult/Div, Branch/Jump Linking, J needs implementation before testing and store to be tested when switched to bus
2020-12-13 14:40:16 +09:00
jl7719 c31344c55f More testcases, testing, debugging 2020-12-13 01:25:36 +09:00
jl7719 14ad7fa0ce Update program counter
Logic for instructions with linking not implemented. Can do basic branch delay slots. More left to do with return register
2020-12-12 15:59:14 +09:00
jl7719 3594365a25 Create branch jl7719
Can test for normal pc incrementing instr
2020-12-11 19:45:13 +09:00
jl7719 7ffd8fb400 Add testcases and ref outputs for addiu, and, andi 2020-12-11 15:17:43 +09:00
jl7719 04b1ed4fed Update control and memory
Fixed some errors when testing
2020-12-10 22:27:08 +09:00
jl7719 84adff2ed1 Update memory
No longer need the massive memory
2020-12-10 19:14:16 +09:00
jc4419 3a2fde81b2 Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main 2020-12-09 16:27:20 +04:00
jc4419 4b8a56ee2f Fixed if logic for control 2020-12-09 16:24:21 +04:00
jl7719 c5aed43ab4 Update to test each instruction with a small memory 2020-12-09 16:47:58 +09:00
Aadi Desai 6becea322f Update mips_cpu_regfile.v
Regfile should now compile, write is skipped if $0 is the destination register
2020-12-08 13:23:08 +00:00
jc4419 9de2b59bbb Updated Harvard, ALU, PC, Control, and Regfile 2020-12-08 01:46:01 +04:00
jc4419 8f5e582f33 Updated ALU - Minor Syntax Fixes 2020-12-07 18:18:19 +04:00
jc4419 2ab6ff12eb Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main 2020-12-07 15:55:12 +04:00
jc4419 9198c4f51b Updated ALU and Control 2020-12-07 15:49:44 +04:00
Aadi Desai d347475b64 Update mips_cpu_regfile.v
lb, lbu, lh, lhu now  select data according to address alignment
$0 is assigned to 0, may cause an error when written to, unknown.
2020-12-06 17:42:23 +00:00
jl7719 c5167645e7 Fix overall w.r.t iverilog compiler error 2020-12-06 15:44:58 +09:00
jc4419 a2bcf3ed1b Updated ALU 2020-12-05 23:37:01 +04:00
jl7719 56b5b1aa89 Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main 2020-12-04 23:45:16 +09:00
jl7719 411f89110f Add testbench related files 2020-12-04 23:44:48 +09:00
Aadi Desai 847bf92add Fix regfile hazard from storing when inputs change 2020-12-02 19:13:41 +00:00
Aadi Desai f2f8e05010 PC logic updated
PC now has a delay into instr_mem to match MIPS32 spec and pc resets/initialises to MIPS32 reset vector
2020-12-02 17:23:28 +00:00
jl7719 10af46a352 Update mips_cpu_memory.v 2020-12-02 23:41:04 +09:00
Ibrahim 64b9d16776 Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main 2020-12-02 14:34:35 +00:00
Ibrahim 1f1cb53352 Changed From ALUZero to Cond 2020-12-02 14:33:42 +00:00
Ibrahim a56410ceae - 2020-12-02 14:32:42 +00:00
Aadi Desai 2c967a910b Update mips_cpu_harvard.v
Fix typo + immediate already fed in via alu_in2
2020-12-02 14:24:17 +00:00
Ibrahim 888bb7c822 Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main 2020-12-02 14:05:59 +00:00
Ibrahim b81c2c0952 Minor sytax corrections 2020-12-02 14:03:16 +00:00
yhp19 d1d64ae747 changed control for aluop and naming 2020-12-02 21:55:17 +08:00
Ibrahim 2a6d87c7b8 Minor sytax corrections 2020-12-02 13:35:47 +00:00
Ibrahim 56dfe9e1e8 Minor sytax corrections 2020-12-02 13:35:00 +00:00
Aadi Desai bd9ae64dc2 Update hardvard.v to match ALU 2020-12-02 13:27:37 +00:00
Ibrahim c4cae70ffc Added ALUZero Output + corrected other syntax errors 2020-12-02 13:12:48 +00:00
Ibrahim 89abb5c1ed Merge branch 'main' of https://github.com/supleed2/AM04_CPU into main 2020-12-02 12:52:37 +00:00
Ibrahim 57d15539a2 Done expect for j type, LWL/R & MLT 2020-12-02 12:51:53 +00:00
yhp19 63b017d552 added control comments 2020-12-02 15:43:30 +08:00
Aadi Desai 27cccc28b8 Added partial loads to regfile
Partial reads are handled within the ALU
2020-12-02 01:04:57 +00:00
Aadi Desai 3433337eba Added Regfile
Missing partial/misaligned loads
2020-12-01 23:04:43 +00:00
yhp19 4edcb07e1f added control 2020-12-01 15:30:57 +08:00