diff --git a/metropolis/node/bios_bootcode/genlogo/BUILD.bazel b/metropolis/node/bios_bootcode/genlogo/BUILD.bazel
new file mode 100644
index 0000000..c8769a4
--- /dev/null
+++ b/metropolis/node/bios_bootcode/genlogo/BUILD.bazel
@@ -0,0 +1,14 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
+
+go_library(
+    name = "genlogo_lib",
+    srcs = ["main.go"],
+    importpath = "source.monogon.dev/metropolis/node/bios_bootcode/genlogo",
+    visibility = ["//visibility:private"],
+)
+
+go_binary(
+    name = "genlogo",
+    embed = [":genlogo_lib"],
+    visibility = ["//visibility:public"],
+)
diff --git a/metropolis/node/bios_bootcode/genlogo/def.bzl b/metropolis/node/bios_bootcode/genlogo/def.bzl
new file mode 100644
index 0000000..5db80ee
--- /dev/null
+++ b/metropolis/node/bios_bootcode/genlogo/def.bzl
@@ -0,0 +1,32 @@
+def _build_logo_impl(ctx):
+    arguments = ctx.actions.args()
+
+    arguments.add_all(["--input"] + ctx.files.logo)
+    output = ctx.actions.declare_file("logo.asm")
+    arguments.add_all(["--output", output])
+
+    ctx.actions.run(
+        outputs = [output],
+        inputs = ctx.files.logo,
+        arguments = [arguments],
+        executable = ctx.executable._genlogo,
+    )
+
+    return DefaultInfo(
+        files = depset([output]),
+    )
+
+gen_logo = rule(
+    implementation = _build_logo_impl,
+    attrs = {
+        "logo": attr.label(
+            allow_single_file = True,
+        ),
+        "_genlogo": attr.label(
+            default = Label(":genlogo"),
+            allow_single_file = True,
+            executable = True,
+            cfg = "exec",
+        ),
+    },
+)
diff --git a/metropolis/node/bios_bootcode/genlogo/main.go b/metropolis/node/bios_bootcode/genlogo/main.go
new file mode 100644
index 0000000..f810357
--- /dev/null
+++ b/metropolis/node/bios_bootcode/genlogo/main.go
@@ -0,0 +1,88 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+import (
+	"flag"
+	"fmt"
+	"image/color"
+	"image/png"
+	"log"
+	"os"
+)
+
+func main() {
+	input := flag.String("input", "", "")
+	output := flag.String("output", "", "")
+	flag.Parse()
+
+	if *input == "" || *output == "" {
+		log.Fatal("missing input or output flag")
+	}
+
+	inputFile, err := os.Open(*input)
+	if err != nil {
+		log.Fatal("Error opening image file:", err)
+		return
+	}
+	defer inputFile.Close()
+
+	img, err := png.Decode(inputFile)
+	if err != nil {
+		log.Fatal("Error decoding image:", err)
+	}
+
+	if img.Bounds().Dx() != 80 || img.Bounds().Dy() != 20 {
+		log.Fatal("Image dimensions must be 80x20")
+	}
+
+	var linear []uint8
+	for y := 0; y < img.Bounds().Dy(); y++ {
+		for x := 0; x < img.Bounds().Dx(); x++ {
+			gray := color.GrayModel.Convert(img.At(x, y)).(color.Gray).Y
+			linear = append(linear, gray)
+		}
+	}
+
+	// Perform RLE compression
+	var rle []uint8
+	for len(linear) > 0 {
+		val := linear[0]
+		l := uint8(1)
+		for i := 1; i < len(linear); i++ {
+			if linear[i] != val {
+				break
+			}
+			l++
+		}
+
+		L := l
+		for l > 0 {
+			block := l
+			if block > 127 {
+				block = 127
+			}
+			rle = append(rle, (val<<7)|block)
+			l -= block
+		}
+		linear = linear[L:]
+	}
+
+	rle = append(rle, 0)
+
+	outputFile, err := os.Create(*output)
+	if err != nil {
+		log.Fatalf("failed creating output file: %v", err)
+	}
+	defer outputFile.Close()
+
+	outputFile.WriteString("logo: db ")
+	for i, r := range rle {
+		if i > 0 {
+			outputFile.WriteString(", ")
+		}
+		fmt.Fprintf(outputFile, "0x%02x", r)
+	}
+	outputFile.WriteString("\n")
+}