Memory: Add coprocessor interface stub.
authorJoshua Wise <joshua@rebirth.joshuawise.com>
Wed, 7 Jan 2009 08:08:22 +0000 (03:08 -0500)
committerJoshua Wise <joshua@rebirth.joshuawise.com>
Wed, 7 Jan 2009 08:08:22 +0000 (03:08 -0500)
Memory.v

index 0b27485..04220ca 100644 (file)
--- a/Memory.v
+++ b/Memory.v
@@ -16,6 +16,11 @@ module Memory(
        output reg [3:0] st_read,
        input [31:0] st_data,
        
+       /* Coprocessor interface */
+       output reg cp_req,
+       input cp_ack,
+       input cp_busy,
+       
        /* stage inputs */
        input inbubble,
        input [31:0] pc,
@@ -86,6 +91,7 @@ module Memory(
                outstall = 1'b0;
                next_regs = 16'b0;
                next_started = started;
+               cp_req = 1'b0;
 
                casez(insn)
                `DECODE_LDRSTR_UNDEFINED: begin end
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