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Allow mpie bit to be writeable in mstatus #31

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Allow mpie bit to be writeable in mstatus #31

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5 changes: 4 additions & 1 deletion rtl/serv_csr.v
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Original file line number Diff line number Diff line change
Expand Up @@ -71,11 +71,14 @@ module serv_csr
always @(posedge i_clk) begin
/*
Note: To save resources mstatus_mpie (mstatus bit 7) is not
readable or writable from sw
readable from sw
*/
if (i_mstatus_en & i_cnt3)
mstatus_mie <= csr_in;

if (i_mstatus_en & i_cnt7)
mstatus_mpie <= csr_in;

if (i_mie_en & i_cnt7)
mie_mtie <= csr_in;

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