diff --git a/.cargo/config.toml b/.cargo/config.toml
index a705dc1e..c6029eca 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -5,4 +5,7 @@
 # target = "x86_64-blog_os.json"
 
 [target.'cfg(target_os = "none")']
-runner = "bootimage runner"
+runner = "cargo run --manifest-path disk_image/Cargo.toml --bin runner --quiet"
+
+[alias]
+bootimage = "run --manifest-path disk_image/Cargo.toml --bin disk_image --quiet"
diff --git a/Cargo.lock b/Cargo.lock
index 939c4bb9..bbc9584d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,11 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "anyhow"
+version = "1.0.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b602bfe940d21c130f3895acd65221e8a61270debe89d628b9cb4e3ccb8569b"
+
 [[package]]
 name = "bit_field"
 version = "0.9.0"
@@ -28,8 +34,51 @@ dependencies = [
 [[package]]
 name = "bootloader"
 version = "0.9.8"
+
+[[package]]
+name = "bootloader-locator"
+version = "0.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ad686b9b47363de7d36c05fb6885f17d08d0f2d15b1bc782a101fe3c94a2c7c"
+checksum = "28ad4c6eeee6c832cb7b2d11fab963674418878c8edaedbef67fcae403dae645"
+dependencies = [
+ "cargo_metadata",
+ "locate-cargo-manifest",
+ "thiserror",
+ "toml",
+]
+
+[[package]]
+name = "cargo_metadata"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89fec17b16f1ac67908af82e47d0a90a7afd0e1827b181cd77504323d3263d35"
+dependencies = [
+ "semver",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "disk_image"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "bootloader-locator",
+ "locate-cargo-manifest",
+ "runner-utils",
+]
+
+[[package]]
+name = "itoa"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
+
+[[package]]
+name = "json"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "078e285eafdfb6c4b434e0d31e8cfcb5115b651496faca5749b88fafd4f23bfd"
 
 [[package]]
 name = "lazy_static"
@@ -40,18 +89,155 @@ dependencies = [
  "spin",
 ]
 
+[[package]]
+name = "libc"
+version = "0.2.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "755456fae044e6fa1ebbbd1b3e902ae19e73097ed4ed87bb79934a867c007bc3"
+
+[[package]]
+name = "locate-cargo-manifest"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d264d672563b20c0a2eb9045f4072e1352002f6c316cc0677bed8b767e17b7e1"
+dependencies = [
+ "json",
+ "thiserror",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2",
+]
+
 [[package]]
 name = "rlibc"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc874b127765f014d792f16763a81245ab80500e2ad921ed4ee9e82481ee08fe"
 
+[[package]]
+name = "runner-utils"
+version = "0.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9dc6848b056990cd51e72aa5556bdbea4a96013e8b18635d183c84159c2988f"
+dependencies = [
+ "thiserror",
+ "wait-timeout",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
+
+[[package]]
+name = "semver"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "394cec28fa623e00903caf7ba4fa6fb9a0e260280bb8cdbbba029611108a0190"
+dependencies = [
+ "semver-parser",
+ "serde",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
+[[package]]
+name = "serde"
+version = "1.0.115"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e54c9a88f2da7238af84b5101443f0c0d0a3bbdc455e34a5c9497b1903ed55d5"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.115"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "609feed1d0a73cc36a0182a840a9b37b4a82f0b1150369f0536a9e3f2a31dc48"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "164eacbdb13512ec2745fb09d51fd5b22b0d65ed294a1dcf7285a360c80a675c"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "spin"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
+[[package]]
+name = "syn"
+version = "1.0.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "891d8d6567fe7c7f8835a3a98af4208f3846fba258c1bc3c31d6e506239f11f9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dfdd070ccd8ccb78f4ad66bf1982dc37f620ef696c6b5028fe2ed83dd3d0d08"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffc92d160b1eef40665be3a05630d003936a3bc7da7421277846c2613e92c71a"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "uart_16550"
 version = "0.2.7"
@@ -63,10 +249,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "volatile"
-version = "0.2.6"
+name = "unicode-xid"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
+[[package]]
+name = "volatile"
+version = "0.4.0-alpha.00"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a1da81878b88e2b57ca8b3d62c0c3e9979d9531cfe0e6d1c094174d8458eac6"
+
+[[package]]
+name = "wait-timeout"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "x86_64"
diff --git a/Cargo.toml b/Cargo.toml
index 542acb00..57c8c142 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,14 +4,19 @@ version = "0.1.0"
 authors = ["Philipp Oppermann <dev@phil-opp.com>"]
 edition = "2018"
 
+[workspace]
+members = [
+    "disk_image",
+]
+
 [[test]]
 name = "should_panic"
 harness = false
 
 [dependencies]
-bootloader = "0.9.8"
+bootloader = { path = "../../uefi-test"}
 rlibc = "1.0.0"
-volatile = "0.2.6"
+volatile = "0.4.0-alpha"
 spin = "0.5.2"
 x86_64 = "0.11.0"
 uart_16550 = "0.2.0"
diff --git a/disk_image/Cargo.toml b/disk_image/Cargo.toml
new file mode 100644
index 00000000..02b8937f
--- /dev/null
+++ b/disk_image/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "disk_image"
+version = "0.1.0"
+authors = ["Philipp Oppermann <dev@phil-opp.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.32"
+bootloader-locator = {path = "../../../bootloader-locator"}
+runner-utils = { path = "../../../runner-utils/" }
+locate-cargo-manifest = "0.2.0"
diff --git a/disk_image/src/bin/runner.rs b/disk_image/src/bin/runner.rs
new file mode 100644
index 00000000..4207745d
--- /dev/null
+++ b/disk_image/src/bin/runner.rs
@@ -0,0 +1,42 @@
+use std::{process::{ExitStatus, Command}, path::PathBuf, time::Duration};
+use anyhow::anyhow;
+
+const TEST_ARGS: &[&str] = &["-device", "isa-debug-exit,iobase=0xf4,iosize=0x04", "-serial", "stdio",
+"-display", "none"
+];
+const TEST_TIMEOUT_SECS: u64 = 10;
+
+fn main() -> anyhow::Result<()> {
+    let kernel_binary_path = {
+        let path = PathBuf::from(std::env::args().nth(1).unwrap());
+        path.canonicalize()?
+    };
+    
+    let disk_image = disk_image::create_disk_image(&kernel_binary_path, true)?;
+
+    let mut run_cmd = Command::new("qemu-system-x86_64");
+    run_cmd.arg("-drive").arg(format!("format=raw,file={}", disk_image.display()));
+    
+    let binary_kind = runner_utils::binary_kind(&kernel_binary_path);
+    if binary_kind.is_test() {
+        run_cmd.args(TEST_ARGS);
+
+        let exit_status = run_test_command(run_cmd)?;
+        match exit_status.code() {
+            Some(33) => {}, // success
+            other => return Err(anyhow!("Test failed (exit code: {:?})", other)),
+        }
+    } else {
+        let exit_status = run_cmd.status()?; 
+        if !exit_status.success() {
+            std::process::exit(exit_status.code().unwrap_or(1));
+        }
+    }
+
+    Ok(())
+}
+
+fn run_test_command(mut cmd: Command) -> anyhow::Result<ExitStatus> {
+    let status = runner_utils::run_with_timeout(&mut cmd, Duration::from_secs(TEST_TIMEOUT_SECS))?;
+    Ok(status)
+}
\ No newline at end of file
diff --git a/disk_image/src/lib.rs b/disk_image/src/lib.rs
new file mode 100644
index 00000000..8e51cbb8
--- /dev/null
+++ b/disk_image/src/lib.rs
@@ -0,0 +1,31 @@
+use std::{process::Command, path::{Path, PathBuf}};
+use anyhow::anyhow;
+
+pub fn create_disk_image(kernel_binary_path: &Path, bios_only: bool) -> anyhow::Result<PathBuf> {
+    let bootloader_info= bootloader_locator::locate_bootloader()?;
+    let kernel_manifest_path = &bootloader_info.kernel_manifest_path;
+
+    let mut build_cmd = Command::new(env!("CARGO"));
+    build_cmd.current_dir(bootloader_info.package.manifest_path.parent().unwrap());
+    build_cmd.arg("builder");
+    build_cmd.arg("--kernel-manifest").arg(&kernel_manifest_path);
+    build_cmd.arg("--kernel-binary").arg(&kernel_binary_path);
+    build_cmd.arg("--features").args(bootloader_info.features);
+    build_cmd.arg("--target-dir").arg(kernel_manifest_path.parent().unwrap().join("target"));
+    build_cmd.arg("--out-dir").arg(kernel_binary_path.parent().unwrap());
+    build_cmd.arg("--quiet");
+    if bios_only {
+        build_cmd.arg("--firmware").arg("bios");
+    }
+
+    if !build_cmd.status()?.success() {
+        return Err(anyhow!("build failed"));
+    }
+
+    let kernel_binary_name = kernel_binary_path.file_name().unwrap().to_str().unwrap();
+    let disk_image = kernel_binary_path.parent().unwrap().join(format!("bootimage-bios-{}.bin", kernel_binary_name));
+    if !disk_image.exists() {
+        return Err(anyhow!("Disk image does not exist at {} after bootloader build", disk_image.display()));
+    }
+    Ok(disk_image)
+}
diff --git a/disk_image/src/main.rs b/disk_image/src/main.rs
new file mode 100644
index 00000000..ca647d94
--- /dev/null
+++ b/disk_image/src/main.rs
@@ -0,0 +1,34 @@
+use std::process::Command;
+use anyhow::anyhow;
+
+const TARGET_NAME: &str = "x86_64-blog_os";
+const KERNEL_BINARIES: &[&str] = &["blog_os"];
+
+fn main() -> anyhow::Result<()> {
+    // build all binaries
+    let mut build_cmd = Command::new(env!("CARGO"));
+    build_cmd.arg("build");
+    build_cmd.arg("--release");
+    build_cmd.arg("-Zbuild-std=core");
+    build_cmd.arg("--target").arg(format!("{}.json", TARGET_NAME));
+    if !build_cmd.status()?.success() {
+        return Err(anyhow!("build failed"));
+    };
+
+    let kernel_manifest = locate_cargo_manifest::locate_manifest()?;
+    let target_dir_root = kernel_manifest.parent().unwrap().join("target");
+    let target_dir = target_dir_root.join(TARGET_NAME).join("release");
+
+    for binary_name in KERNEL_BINARIES {
+        let binary_path = {
+            let path = target_dir.join(binary_name);
+            path.canonicalize()?
+        };
+        
+        let disk_image = disk_image::create_disk_image(&binary_path, false)?;
+
+        println!("Created disk image for binary {} at {}", binary_name, disk_image.display());
+    }
+
+    Ok(())
+}
diff --git a/src/lib.rs b/src/lib.rs
index 42fc2b49..e91137b0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,7 +9,7 @@ extern crate rlibc;
 use core::panic::PanicInfo;
 
 pub mod serial;
-pub mod vga_buffer;
+//pub mod vga_buffer;
 
 pub trait Testable {
     fn run(&self) -> ();
diff --git a/src/main.rs b/src/main.rs
index 4cc3022b..93a066dc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,24 +4,40 @@
 #![test_runner(blog_os::test_runner)]
 #![reexport_test_harness_main = "test_main"]
 
-use blog_os::println;
-use core::panic::PanicInfo;
+use blog_os::serial_println;
+use core::{ptr, panic::PanicInfo, slice};
 
 #[no_mangle]
-pub extern "C" fn _start() -> ! {
-    println!("Hello World{}", "!");
-
+pub extern "C" fn _start(boot_info: &'static mut bootloader::boot_info_uefi::BootInfo) -> ! {
     #[cfg(test)]
     test_main();
+    
+    loop {
+        x86_64::instructions::hlt();
+    }
+    let mut framebuffer = {
+        let ptr = boot_info.framebuffer.start_addr as *mut u8;
+        let slice = unsafe { slice::from_raw_parts_mut(ptr, boot_info.framebuffer.len) };
+        volatile::Volatile::new(slice)
+    };
 
-    loop {}
+    //serial_println!("Hello World{}", "!");
+
+
+    for i in 0..boot_info.framebuffer.len {
+        framebuffer.index_mut(i).write(0x99);
+    }
+
+    loop {
+        x86_64::instructions::hlt();
+    }
 }
 
 /// This function is called on panic.
 #[cfg(not(test))]
 #[panic_handler]
 fn panic(info: &PanicInfo) -> ! {
-    println!("{}", info);
+    serial_println!("{}", info);
     loop {}
 }
 
diff --git a/tests/basic_boot.rs b/tests/basic_boot.rs
index c409647e..0a86d6fb 100644
--- a/tests/basic_boot.rs
+++ b/tests/basic_boot.rs
@@ -4,7 +4,6 @@
 #![test_runner(blog_os::test_runner)]
 #![reexport_test_harness_main = "test_main"]
 
-use blog_os::println;
 use core::panic::PanicInfo;
 
 #[no_mangle] // don't mangle the name of this function
@@ -21,5 +20,5 @@ fn panic(info: &PanicInfo) -> ! {
 
 #[test_case]
 fn test_println() {
-    println!("test_println output");
+    //println!("test_println output");
 }