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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141912b568
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Use 4 space indentation in the assembly file for consistency
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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08c4451abf
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Add clock divider
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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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eaf68f8d1d
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Run abc twice to improve logic density
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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b1de4f3bb2
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Fix ALU source multiplexers
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2017-12-07 22:37:58 +00:00 |
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Graham Edgecombe
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85ba0c7faa
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Remove read_value_out enable input
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2017-12-07 22:37:23 +00:00 |
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Graham Edgecombe
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bef709dc73
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Replace always with always_ff
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2017-12-02 18:29:51 +00:00 |
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Graham Edgecombe
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eb053503f7
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Populate instr_mem with a test assembly program
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2017-12-02 18:07:37 +00:00 |
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Graham Edgecombe
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9de9955ad0
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Connect lower 8 bits of x31 to the LEDs for debugging
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2017-12-02 15:33:45 +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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3af3fb71a1
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Add serial flash, LED and UART pins
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2017-12-01 23:25:06 +00:00 |
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Graham Edgecombe
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9ca70b76a6
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Remove redundant logic keyword from the top module
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2017-12-01 23:02:50 +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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