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Updated WARL field in senvcfg.CBIE to match ImperasDV

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David Harris 2024-10-14 15:28:56 -07:00
parent 9a76af809a
commit de8a707361
1 changed files with 5 additions and 2 deletions
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5
src/privileged/csrs.sv
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@ -128,10 +128,13 @@ module csrs import cvw::*; #(parameter cvw_t P) (
else else
assign STimerInt = 1'b0; assign STimerInt = 1'b0;
logic [1:0] LegalizedCBIE;
assign LegalizedCBIE = CSRWriteValM[5:4] == 2'b10 ? SENVCFG_REGW[5:4] : CSRWriteValM[5:4]; // Assume WARL for reserved CBIE = 10, keeps old value
assign SENVCFG_WriteValM = { assign SENVCFG_WriteValM = {
{(P.XLEN-8){1'b0}}, {(P.XLEN-8){1'b0}},
CSRWriteValM[7] & P.ZICBOZ_SUPPORTED, CSRWriteValM[7] & P.ZICBOZ_SUPPORTED,
CSRWriteValM[6:4] & {3{P.ZICBOM_SUPPORTED}}, CSRWriteValM[6] & P.ZICBOM_SUPPORTED,
LegalizedCBIE & {2{P.ZICBOM_SUPPORTED}},
3'b0, 3'b0,
CSRWriteValM[0] & P.VIRTMEM_SUPPORTED CSRWriteValM[0] & P.VIRTMEM_SUPPORTED
}; };