Add SPSR logic to Execute.
[firearm.git] / system.v
index 685d5bd..0961c30 100644 (file)
--- a/system.v
+++ b/system.v
@@ -36,10 +36,10 @@ module System(input clk);
        wire stall_cause_issue;
        wire stall_cause_execute;
        
-       wire [31:0] decode_out_op0, decode_out_op1, decode_out_op2;
+       wire [31:0] decode_out_op0, decode_out_op1, decode_out_op2, decode_out_spsr;
        wire decode_out_carry;
        wire [3:0] regfile_read_0, regfile_read_1, regfile_read_2;
-       wire [31:0] regfile_rdata_0, regfile_rdata_1, regfile_rdata_2;
+       wire [31:0] regfile_rdata_0, regfile_rdata_1, regfile_rdata_2, regfile_spsr;
        wire execute_out_stall, execute_out_bubble;
        wire execute_out_write_reg;
        wire [3:0] execute_out_write_num;
@@ -92,13 +92,13 @@ module System(input clk);
                .clk(clk),
                .read_0(regfile_read_0), .read_1(regfile_read_1), .read_2(regfile_read_2),
                .rdata_0(regfile_rdata_0), .rdata_1(regfile_rdata_1), .rdata_2(regfile_rdata_2),
-               .write(4'b0), .write_req(1'b0), .write_data(10 /* XXX */));
+               .spsr(regfile_spsr), .write(4'b0), .write_req(1'b0), .write_data(10 /* XXX */));
        
        Decode decode(
                .clk(clk),
-               .insn(insn_out_fetch), .inpc(pc_out_fetch), .incpsr(32'b0 /* XXX */),
+               .insn(insn_out_fetch), .inpc(pc_out_fetch), .incpsr(32'b0 /* XXX */), .inspsr(regfile_spsr),
                .op0(decode_out_op0), .op1(decode_out_op1), .op2(decode_out_op2),
-               .carry(decode_out_carry),
+               .carry(decode_out_carry), .outspsr(decode_out_spsr),
                .read_0(regfile_read_0), .read_1(regfile_read_1), .read_2(regfile_read_2), 
                .rdata_0(regfile_rdata_0), .rdata_1(regfile_rdata_1), .rdata_2(regfile_rdata_2));
        
@@ -106,7 +106,7 @@ module System(input clk);
                .clk(clk), .Nrst(1'b0),
                .stall(1'b0 /* XXX */), .flush(1'b0 /* XXX */),
                .inbubble(bubble_out_issue), .pc(pc_out_issue), .insn(insn_out_issue),
-               .cpsr(32'b0 /* XXX */), .op0(decode_out_op0), .op1(decode_out_op1),
+               .cpsr(32'b0 /* XXX */), .spsr(decode_out_spsr), .op0(decode_out_op0), .op1(decode_out_op1),
                .op2(decode_out_op2), .carry(decode_out_carry),
                .outstall(stall_cause_execute), .outbubble(execute_out_bubble),
                .write_reg(execute_out_write_reg), .write_num(execute_out_write_num),
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