rtl/legacy_gfx: rename gfx -> legacy_gfx

1 files changed, 49 insertions, 0 deletions

diff --git a/rtl/legacy_gfx/gfx_mat_vec.sv b/rtl/legacy_gfx/gfx_mat_vec.sv
new file mode 100644
index 0000000..4be4976
--- /dev/null
+++ b/rtl/legacy_gfx/gfx_mat_vec.sv
@@ -0,0 +1,49 @@
+`include "gfx/gfx_defs.sv"
+
+module gfx_mat_vec
+(
+	input  logic clk,
+	             rst_n,
+
+	input  mat4  a,
+	input  vec4  x,
+	input  logic in_valid,
+	             out_ready,
+
+	output vec4  q,
+	output logic in_ready,
+	             out_valid
+);
+
+	logic stall_mul, stall_fold, mul_ready, mul_valid, feedback, feedback_last;
+
+	gfx_pipeline_flow #(.STAGES(`FP_MUL_STAGES)) mul
+	(
+		.stall(stall_mul),
+		.out_ready(mul_ready),
+		.out_valid(mul_valid),
+		.*
+	);
+
+	gfx_fold_flow fold
+	(
+		.stall(stall_fold),
+		.in_ready(mul_ready),
+		.in_valid(mul_valid),
+		.*
+	);
+
+	genvar i;
+	generate
+		for (i = 0; i < `VECS_PER_MAT; ++i) begin: dots
+			gfx_dot dot_i
+			(
+				.a(a[i]),
+				.b(x),
+				.q(q[i]),
+				.*
+			);
+		end
+	endgenerate
+
+endmodule