Add the DCache.

[firearm.git] / RegFile.v

diff --git a/RegFile.v b/RegFile.v
index a9699e9..95e5c71 100644 (file)
--- a/RegFile.v
+++ b/RegFile.v
@@ -6,6 +6,7 @@ module RegFile(
        output reg [31:0] rdata_1,
        input [3:0] read_2,
        output reg [31:0] rdata_2,
        output reg [31:0] rdata_1,
        input [3:0] read_2,
        output reg [31:0] rdata_2,

+       output reg [31:0] spsr,

        input [3:0] write,
        input write_req,
        input [31:0] write_data
        input [3:0] write,
        input write_req,
        input [31:0] write_data


@@ -29,7 +30,7 @@ module RegFile(
                regfile[4'hC] = 32'h0000A000;
                regfile[4'hD] = 32'h00000A00;
                regfile[4'hE] = 32'h000000A0;
                regfile[4'hC] = 32'h0000A000;
                regfile[4'hD] = 32'h00000A00;
                regfile[4'hE] = 32'h000000A0;

-               regfile[4'hF] = 32'h0000000A;
+               regfile[4'hF] = 32'h00000000;   /* Start off claiming we are in user mode. */

        end
        
        always @(*)
        end
        
        always @(*)


@@ -48,6 +49,8 @@ module RegFile(
                        rdata_2 = write_data;
                else
                        rdata_2 = regfile[read_2];
                        rdata_2 = write_data;
                else
                        rdata_2 = regfile[read_2];

+               
+               spsr = regfile[4'hF];

        end
        
        always @(posedge clk)
        end
        
        always @(posedge clk)