Graham Edgecombe
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e7ae22bf31
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Remove _ops.sv files
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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0c3b91e733
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Fix load-use hazard logic
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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86022d42a5
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Follow the standard naming/commenting conventions in hazard-related code
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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70d72331a7
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Order outputs consistently in the decode stage
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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02f1d705b7
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Reset {rs1,rs2_out} when flushing the decode stage
This will prevent us needing to stall the pipeline for a load
instruction if the rs1/rs2 registers happened to match the rd register.
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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eff39ad19b
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Add flush and stall inputs to every stage
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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83b7d1c9b7
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Add 'from stage' comments if inputs are not from the previous stage
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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8e2ce65ad9
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Add operand forwarding to the execute stage
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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acbac650bf
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Mark the lower 27 bits of shamt as don't care
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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871e1f4a32
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Add LB, LBU, LH, LHU, SB and SH instructions
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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ee768c51d4
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Add FENCE and FENCE.I instructions
Both are currently NOPs as the implementation is currently in-order and
has separate instruction and data memories.
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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88928aa1b2
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Fix immediate decoding in J-type instructions
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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86f6e0eec1
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Add branching support
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2017-12-02 15:23:12 +00:00 |
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Graham Edgecombe
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4c68818134
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Add writeback stage
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2017-12-02 11:26:12 +00:00 |
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Graham Edgecombe
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062462eeb3
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Fix indentation in rv32_decode.sv
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2017-12-02 10:23:11 +00:00 |
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Graham Edgecombe
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3f8e64c65a
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Add memory access stage
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2017-12-02 10:22:48 +00:00 |
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Graham Edgecombe
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efb33456f9
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Add include guards
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2017-12-01 23:30:33 +00:00 |
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Graham Edgecombe
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5884a437b8
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Add JAL/JALR support to the ALU
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2017-12-01 23:02:50 +00:00 |
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Graham Edgecombe
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37d703c83e
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Add ALU control signals to the decoder
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2017-12-01 23:02:50 +00:00 |
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Graham Edgecombe
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4aa64f864a
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Rename valid to valid_out
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2017-12-01 23:02:50 +00:00 |
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Graham Edgecombe
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30b793cbaf
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Add ALU
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2017-12-01 23:02:50 +00:00 |
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Graham Edgecombe
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e7389a3065
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Fix shamt decoding
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2017-12-01 21:51:41 +00:00 |
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Graham Edgecombe
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ed238e5e9b
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Use -noautowire to avoid using logic in every input/output declaration
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2017-12-01 18:49:48 +00:00 |
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Graham Edgecombe
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4a4dee334d
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Add initial fetch/decode stages
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2017-12-01 08:46:43 +00:00 |
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