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Trap on illegal instructions when no FPU

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Jordan Carlin 2025-03-19 14:50:14 -07:00
parent 3e950a85c5
commit 6e8759cc96
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src/ifu/ifu.sv
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@ -379,7 +379,7 @@ module ifu import cvw::*; #(parameter cvw_t P) (
assign InstrD = InstrRawD;
assign IllegalIEUInstrD = IllegalBaseInstrD;
end
assign IllegalIEUFPUInstrD = IllegalIEUInstrD & IllegalFPUInstrD;
assign IllegalIEUFPUInstrD = IllegalIEUInstrD & (IllegalFPUInstrD | !P.F_SUPPORTED);
// Misaligned PC logic
// Instruction address misalignment only from br/jal(r) instructions.