summaryrefslogtreecommitdiff
path: root/rtl
diff options
context:
space:
mode:
Diffstat (limited to 'rtl')
-rw-r--r--rtl/core/control/control.sv13
-rw-r--r--rtl/core/control/mul.sv35
2 files changed, 41 insertions, 7 deletions
diff --git a/rtl/core/control/control.sv b/rtl/core/control/control.sv
index d214525..49c1e8b 100644
--- a/rtl/core/control/control.sv
+++ b/rtl/core/control/control.sv
@@ -105,6 +105,11 @@ module core_control
.*
);
+ core_control_data ctrl_mul
+ (
+ .*
+ );
+
logic final_writeback, final_update_flags;
reg_num final_rd;
@@ -126,14 +131,8 @@ module core_control
unique0 case(next_cycle)
ISSUE:
- if(issue) begin
- mul <= dec.mul;
- mul_add <= dec_mul.add;
- mul_long <= dec_mul.long_mul;
- mul_signed <= dec_mul.signed_mul;
-
+ if(issue)
coproc <= dec.coproc;
- end
endcase
end
diff --git a/rtl/core/control/mul.sv b/rtl/core/control/mul.sv
new file mode 100644
index 0000000..8d23514
--- /dev/null
+++ b/rtl/core/control/mul.sv
@@ -0,0 +1,35 @@
+`include "core/uarch.sv"
+
+module core_control_mul
+(
+ input logic clk,
+
+ input datapath_decode dec,
+ input mul_decode dec_mul,
+ input logic mul_ready,
+
+ input ctrl_cycle next_cycle,
+ input logic issue,
+
+ output logic mul,
+ mul_add,
+ mul_long,
+ mul_signed
+);
+
+ always_ff @(posedge clk)
+ if(next_cycle == ISSUE && issue) begin
+ mul <= dec.mul;
+ mul_add <= dec_mul.add;
+ mul_long <= dec_mul.long_mul;
+ mul_signed <= dec_mul.signed_mul;
+ end
+
+ initial begin
+ mul = 0;
+ mul_add = 0;
+ mul_long = 0;
+ mul_signed = 0;
+ end
+
+endmodule