rtl/gfx: implement non-synthesizable matrix multiplier

1 files changed, 34 insertions, 0 deletions

diff --git a/rtl/gfx/mat_vec_mul.sv b/rtl/gfx/mat_vec_mul.sv
new file mode 100644
index 0000000..43860c9
--- /dev/null
+++ b/rtl/gfx/mat_vec_mul.sv
@@ -0,0 +1,34 @@
+`include "gfx/gfx_defs.sv"
+
+module mat_vec_mul
+(
+	input  logic clk,
+	             rst_n,
+
+	input  logic start,
+	input  mat4  a,
+	input  vec4  x,
+
+	output logic done,
+	output vec4  q
+);
+
+	logic dones[`FLOATS_PER_VEC];
+
+	assign done = dones[0];
+
+	genvar i;
+	generate
+		for (i = 0; i < `FLOATS_PER_VEC; ++i) begin: dots
+			vec_dot dot_i
+			(
+				.a(a[i]),
+				.b(x),
+				.q(q[i]),
+				.done(dones[i]),
+				.*
+			);
+		end
+	endgenerate
+
+endmodule