Fetch: Allow new queued jumps to take precedence over old queued jumps (i.e., ldm...
[firearm.git] / system.v
index 1635a34..1741203 100644 (file)
--- a/system.v
+++ b/system.v
@@ -60,6 +60,7 @@ module System(input clk);
        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 execute_out_cpsrup;
        
        wire jmp_out_execute, jmp_out_writeback;
        wire [31:0] jmppc_out_execute, jmppc_out_writeback;
@@ -70,6 +71,7 @@ module System(input clk);
        wire [3:0] memory_out_write_num;
        wire [31:0] memory_out_write_data;
        wire [31:0] memory_out_cpsr, memory_out_spsr;
+       wire memory_out_cpsrup;
        
        wire [31:0] writeback_out_cpsr, writeback_out_spsr;
 
@@ -177,7 +179,7 @@ module System(input clk);
                .jmp(jmp_out_execute), .jmppc(jmppc_out_execute),
                .outpc(pc_out_execute), .outinsn(insn_out_execute),
                .outop0(execute_out_op0), .outop1(execute_out_op1), .outop2(execute_out_op2),
-               .outcpsr(execute_out_cpsr), .outspsr(execute_out_spsr));
+               .outcpsr(execute_out_cpsr), .outspsr(execute_out_spsr), .outcpsrup(execute_out_cpsrup));
        assign execute_out_backflush = jmp;
        
        assign cp_insn = insn_out_execute;
@@ -189,14 +191,14 @@ 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),
+               .spsr(execute_out_spsr), .cpsr(execute_out_cpsr), .cpsrup(execute_out_cpsrup),
                .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),
-               .outcpsr(memory_out_cpsr), .outspsr(memory_out_spsr) /* XXX data_size */);
+               .outcpsr(memory_out_cpsr), .outspsr(memory_out_spsr), .outcpsrup(memory_out_cpsrup) /* XXX data_size */);
        
        Terminal terminal(      
                .clk(clk),
@@ -207,7 +209,7 @@ module System(input clk);
                .clk(clk),
                .inbubble(bubble_out_memory),
                .write_reg(memory_out_write_reg), .write_num(memory_out_write_num), .write_data(memory_out_write_data),
-               .cpsr(memory_out_cpsr), .spsr(memory_out_spsr),
+               .cpsr(memory_out_cpsr), .spsr(memory_out_spsr), .cpsrup(memory_out_cpsrup),
                .regfile_write(regfile_write), .regfile_write_reg(regfile_write_reg), .regfile_write_data(regfile_write_data),
                .outcpsr(writeback_out_cpsr), .outspsr(writeback_out_spsr), 
                .jmp(jmp_out_writeback), .jmppc(jmppc_out_writeback));
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