rtl/legacy_gfx: rename gfx -> legacy_gfx

1 files changed, 41 insertions, 0 deletions

diff --git a/rtl/legacy_gfx/gfx_fp_mul.sv b/rtl/legacy_gfx/gfx_fp_mul.sv
new file mode 100644
index 0000000..7ff3c02
--- /dev/null
+++ b/rtl/legacy_gfx/gfx_fp_mul.sv
@@ -0,0 +1,41 @@
+`include "gfx/gfx_defs.sv"
+
+module gfx_fp_mul
+(
+	input  logic clk,
+
+	input  fp    a,
+	             b,
+	input  logic stall,
+
+	output fp    q
+);
+
+`ifndef VERILATOR
+	ip_fp_mul ip_mul
+	(
+		.en(!stall),
+		.areset(0),
+		.*
+	);
+`else
+	fp a_pop, b_pop;
+
+	assign q = $c("taller::fp_mul(", a_pop, ", ", b_pop, ")");
+
+	gfx_pipes #(.WIDTH($bits(a)), .DEPTH(`FP_MUL_STAGES)) a_pipes
+	(
+		.in(a),
+		.out(a_pop),
+		.*
+	);
+
+	gfx_pipes #(.WIDTH($bits(b)), .DEPTH(`FP_MUL_STAGES)) b_pipes
+	(
+		.in(b),
+		.out(b_pop),
+		.*
+	);
+`endif
+
+endmodule