rtl/legacy_gfx: rename gfx -> legacy_gfx

1 files changed, 49 insertions, 0 deletions

diff --git a/rtl/legacy_gfx/gfx_fixed_fma_dot.sv b/rtl/legacy_gfx/gfx_fixed_fma_dot.sv
new file mode 100644
index 0000000..c19b49e
--- /dev/null
+++ b/rtl/legacy_gfx/gfx_fixed_fma_dot.sv
@@ -0,0 +1,49 @@
+`include "gfx/gfx_defs.sv"
+
+module gfx_fixed_fma_dot
+(
+	input  logic clk,
+
+	input  fixed a0,
+	             b0,
+	             a1,
+	             b1,
+	             c,
+	input  logic stall,
+
+	output fixed q
+);
+
+	fixed q0, a1_hold, b1_hold;
+
+	gfx_fixed_fma fma0
+	(
+		.a(a0),
+		.b(b0),
+		.q(q0),
+		.*
+	);
+
+	gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(`FIXED_FMA_STAGES)) a_pipes
+	(
+		.in(a1),
+		.out(a1_hold),
+		.*
+	);
+
+	gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(`FIXED_FMA_STAGES)) b_pipes
+	(
+		.in(b1),
+		.out(b1_hold),
+		.*
+	);
+
+	gfx_fixed_fma fma1
+	(
+		.a(a1_hold),
+		.b(b1_hold),
+		.c(q0),
+		.*
+	);
+
+endmodule