From e2dca79d0d3decf11c0caccb87265fc159fcee56 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Sun, 30 Apr 2023 16:52:24 +0200
Subject: [PATCH] Use `bootloader` crate to create bootable disk images

---
 Cargo.lock          | 909 ++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml          |   1 +
 rust-toolchain.toml |   1 +
 src/main.rs         |  22 +-
 4 files changed, 931 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d2ed3b2a..6aa2ebcb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,22 +2,931 @@
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diff --git a/Cargo.toml b/Cargo.toml
index a2ad5792..d48635a1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,3 +8,4 @@ members = ["kernel"]
 
 [dependencies]
 kernel = { path = "kernel", artifact = "bin", target = "x86_64-unknown-none" }
+bootloader = "0.11.3"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 493d2e6b..542cbc90 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,4 @@
 [toolchain]
 channel = "nightly"
 targets = ["x86_64-unknown-none"]
+components = ["llvm-tools-preview"]
diff --git a/src/main.rs b/src/main.rs
index e7a11a96..78a8fa2b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,21 @@
-fn main() {
-    println!("Hello, world!");
+use bootloader::DiskImageBuilder;
+use std::{env, error::Error, path::PathBuf};
+
+fn main() -> Result<(), Box<dyn Error>> {
+    // set by cargo for the kernel artifact dependency
+    let kernel_path = PathBuf::from(env!("CARGO_BIN_FILE_KERNEL"));
+    let disk_builder = DiskImageBuilder::new(kernel_path);
+
+    // place the disk image files under target/debug or target/release
+    let target_dir = env::current_exe()?;
+
+    let uefi_path = target_dir.with_file_name("blog_os-uefi.img");
+    disk_builder.create_uefi_image(&uefi_path)?;
+    println!("Created UEFI disk image at {}", uefi_path.display());
+
+    let bios_path = target_dir.with_file_name("blog_os-bios.img");
+    disk_builder.create_bios_image(&bios_path)?;
+    println!("Created BIOS disk image at {}", bios_path.display());
+
+    Ok(())
 }