Luke Wren
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15cb21ae43
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First pass at implementing the new IRQ controls. Works well enough that the old tests pass :)
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2022-08-07 20:51:12 +01:00 |
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Luke Wren
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185194973f
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Add a custom instruction (bextm/bextmi: 1 to 8-bit version of bext/bexti from Zbs) for fooling around with toolchains
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2022-08-06 23:02:08 +01:00 |
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Luke Wren
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5193dfe477
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Add separate define HAZARD3_ASSERTIONS for enabling internal assertions,
and enable it only on the bus compliance model checks. Trying to make
the solver's life easier in instruction_fetch_match.
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2022-06-25 20:08:40 +01:00 |
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Luke Wren
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ea2b8888a4
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Update copyright years
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2022-06-09 00:12:01 +01:00 |
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Luke Wren
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210dbeae64
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Correct the name and operation of the brev8 (formerly rev.b) instruction
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2022-05-20 15:28:18 +01:00 |
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Luke Wren
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43e0b1d16a
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Implement Zbkb (untested)
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2022-05-06 17:36:25 +01:00 |
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Luke Wren
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28b53ef7b5
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Delete the AMO ALU. Save around 80 LCs vs original implementation, maybe enables some more savings.
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2021-12-18 00:35:13 +00:00 |
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Luke Wren
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7485269ddf
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Use the branch target adder for load/store addresses. Preparing for AMO ALU deletion
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2021-12-17 22:36:40 +00:00 |
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Luke Wren
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b0d28447ab
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New license headers: DWTFPL -> Apache 2.0
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2021-12-13 23:23:40 +00:00 |
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Luke Wren
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34e57f0b14
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Sketch in an AMO ALU
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2021-12-04 18:52:41 +00:00 |
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Luke Wren
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14a4f1a281
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Add bitmanip reference vectors and test scripts. Fix bug in bclr implementation
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2021-11-27 17:19:41 +00:00 |
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Luke Wren
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5d093487b7
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Update README
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2021-11-26 23:33:46 +00:00 |
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Luke Wren
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1bb7e33b69
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Fix alignment of heap_ptr in init.S. Small ALU cleanup
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2021-11-26 02:59:50 +00:00 |
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Luke Wren
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8bcec11c80
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Couple more silly mistakes
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2021-11-26 01:30:13 +00:00 |
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Luke Wren
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998f3fdeb7
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Clean up silly mistakes
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2021-11-26 00:55:57 +00:00 |
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Luke Wren
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58c20a39d0
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First pass at implementing bitmanip. Breaks CXXRTL. Ooop
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2021-11-25 23:30:35 +00:00 |
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Luke Wren
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e05e9a4109
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Add default_nettype none at top of every file, and default_nettype wire at bottom
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2021-11-23 22:10:39 +00:00 |
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Luke Wren
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8cdde82248
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Coding style tweaks for ALU to workaround upstream Yosys issue, see #1 and friends
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2021-07-20 00:13:26 +01:00 |
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Luke Wren
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844fa8f97f
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Rename hazard5 -> hazard3
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2021-05-21 03:46:29 +01:00 |