decode: stuff for halfword
[firearm.git] / system.v
index b8fc48e..ddbe0b7 100644 (file)
--- a/system.v
+++ b/system.v
@@ -56,18 +56,24 @@ module System(input clk);
        wire [3:0] execute_out_write_num;
        wire [31:0] execute_out_write_data;
        wire [31:0] execute_out_op0, execute_out_op1, execute_out_op2;
+       wire [31:0] execute_out_cpsr, execute_out_spsr;
        wire [31:0] jmppc;
        wire jmp;
        
        wire memory_out_write_reg;
        wire [3:0] memory_out_write_num;
        wire [31:0] memory_out_write_data;
+
+       wire cp_ack_terminal;
+       wire cp_busy_terminal;
+       wire [31:0] cp_read_terminal;
        
        wire cp_req;
-       wire cp_ack = 0;
-       wire cp_busy = 0;
+       wire [31:0] cp_insn;
+       wire cp_ack = cp_ack_terminal;
+       wire cp_busy = cp_busy_terminal;
        wire cp_rnw;
-       wire [31:0] cp_read = 0;
+       wire [31:0] cp_read = cp_read_terminal;
        wire [31:0] cp_write;
        
        wire stall_cause_issue;
@@ -158,9 +164,11 @@ module System(input clk);
                .write_data(execute_out_write_data),
                .jmp(jmp), .jmppc(jmppc),
                .outpc(pc_out_execute), .outinsn(insn_out_execute),
-               .outop0(execute_out_op0), .outop1(execute_out_op1), .outop2(execute_out_op2));
+               .outop0(execute_out_op0), .outop1(execute_out_op1), .outop2(execute_out_op2),
+               .outcpsr(execute_out_cpsr), .outspsr(execute_out_spsr));
        assign execute_out_backflush = jmp;
        
+       assign cp_insn = insn_out_execute;
        Memory memory(
                .clk(clk), .Nrst(1'b0),
                /* stall? flush? */
@@ -169,12 +177,18 @@ module System(input clk);
                .st_read(regfile_read_3), .st_data(regfile_rdata_3),
                .inbubble(bubble_out_execute), .pc(pc_out_execute), .insn(insn_out_execute),
                .op0(execute_out_op0), .op1(execute_out_op1), .op2(execute_out_op2),
+               .spsr(execute_out_spsr), .cpsr(execute_out_cpsr),
                .write_reg(execute_out_write_reg), .write_num(execute_out_write_num), .write_data(execute_out_write_data),
                .outstall(stall_cause_memory), .outbubble(bubble_out_memory), 
                .outpc(pc_out_memory), .outinsn(insn_out_memory),
                .out_write_reg(memory_out_write_reg), .out_write_num(memory_out_write_num), 
                .out_write_data(memory_out_write_data),
                .cp_req(cp_req), .cp_ack(cp_ack), .cp_busy(cp_busy), .cp_rnw(cp_rnw), .cp_read(cp_read), .cp_write(cp_write));
+       
+       Terminal terminal(      
+               .clk(clk),
+               .cp_req(cp_req), .cp_insn(cp_insn), .cp_ack(cp_ack_terminal), .cp_busy(cp_busy_terminal), .cp_rnw(cp_rnw),
+               .cp_read(cp_read_terminal), .cp_write(cp_write));
 
        reg [31:0] clockno = 0;
        always @(posedge clk)
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