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rv32e works for now. Still need to optimize.

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This commit is contained in:
Ross Thompson 2022-02-08 14:21:55 -06:00
parent f211fe635a
commit e02bc8db67
1 changed files with 2 additions and 4 deletions
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pipelined/src/ifu/ifu.sv
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@ -251,11 +251,9 @@ module ifu (
mux2 #(`XLEN) pcmux2(.d0(PCNext1F), .d1(PCBPWrongInvalidate), .s(InvalidateICacheM), .y(PCNext2F)); mux2 #(`XLEN) pcmux2(.d0(PCNext1F), .d1(PCBPWrongInvalidate), .s(InvalidateICacheM), .y(PCNext2F));
mux2 #(`XLEN) pcmux3(.d0(PCNext2F), .d1(PrivilegedNextPCM), .s(PrivilegedChangePCM), .y(UnalignedPCNextF)); mux2 #(`XLEN) pcmux3(.d0(PCNext2F), .d1(PrivilegedNextPCM), .s(PrivilegedChangePCM), .y(UnalignedPCNextF));
// *** moved outside the bp. clean up. Should not be able to remove without bp.
mux2 #(`XLEN) pcmux1(.d0(PCNext0F), .d1(PCCorrectE), .s(BPPredWrongE), .y(PCNext1F)); mux2 #(`XLEN) pcmux1(.d0(PCNext0F), .d1(PCCorrectE), .s(BPPredWrongE), .y(PCNext1F));
assign PCNextF = {UnalignedPCNextF[`XLEN-1:1], 1'b0}; // hart-SPEC p. 21 about 16-bit alignment assign PCNextF = {UnalignedPCNextF[`XLEN-1:1], 1'b0}; // hart-SPEC p. 21 about 16-bit alignment
flopenl #(`XLEN) pcreg(clk, reset, ~StallF, PCNextF, `RESET_VECTOR, PCF); flopenl #(`XLEN) pcreg(clk, reset, ~StallF, PCNextF, `RESET_VECTOR, PCF);