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Update cv32e40s_pkg.sv #523

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3 changes: 2 additions & 1 deletion rtl/include/cv32e40s_pkg.sv
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Expand Up @@ -464,7 +464,8 @@ typedef enum logic[11:0] {

// CSR Bit Implementation Masks
// A mask bit of '1' means a flipflop is implemented.
parameter CSR_JVT_MASK = 32'hFFFFFFC0;
parameter CSR_JVT_MASK = 32'hFFFFFFC0; //This mask value is used to select bits in the Jump Vector Table (JVT). The JVT is a table of addresses that specify where to jump when an exception occurs.

parameter CSR_DCSR_MASK = 32'b0000_0000_0000_0000_1001_1101_1100_0111; // NMI bit taken from ctrl_fsm
parameter CSR_MEPC_MASK = 32'hFFFFFFFE;
parameter CSR_DPC_MASK = 32'hFFFFFFFE;
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