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Moved STATUS_FS_INT write to if statement to properly prioritize

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David Harris 2023-02-07 06:55:42 -08:00
parent 0712fa8f67
commit 195e7c1a9c
1 changed files with 1 additions and 3 deletions
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src/privileged/csrsr.sv
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@ -156,8 +156,6 @@ module csrsr (
STATUS_SBE <= #1 0; STATUS_SBE <= #1 0;
STATUS_UBE <= #1 0; STATUS_UBE <= #1 0;
end else if (~StallW) begin end else if (~StallW) begin
if (FRegWriteM | WriteFRMM | WriteFFLAGSM) STATUS_FS_INT <= #1 2'b11; // mark Float State dirty *** this should happen in M stage, be part of if/else;
if (TrapM) begin if (TrapM) begin
// Update interrupt enables per Privileged Spec p. 21 // Update interrupt enables per Privileged Spec p. 21
// y = PrivilegeModeW // y = PrivilegeModeW
@ -211,6 +209,6 @@ module csrsr (
STATUS_SPIE <= #1 `S_SUPPORTED & CSRWriteValM[5]; STATUS_SPIE <= #1 `S_SUPPORTED & CSRWriteValM[5];
STATUS_SIE <= #1 `S_SUPPORTED & CSRWriteValM[1]; STATUS_SIE <= #1 `S_SUPPORTED & CSRWriteValM[1];
STATUS_UBE <= #1 CSRWriteValM[6] & `U_SUPPORTED & `BIGENDIAN_SUPPORTED; STATUS_UBE <= #1 CSRWriteValM[6] & `U_SUPPORTED & `BIGENDIAN_SUPPORTED;
end end else if (FRegWriteM | WriteFRMM | WriteFFLAGSM) STATUS_FS_INT <= #1 2'b11;
end end
endmodule endmodule