migrate: limine -> bootloader_api

1 files changed, 25 insertions, 0 deletions

diff --git a/x/build.rs b/x/build.rs
new file mode 100644
index 0000000..37200d3
--- /dev/null
+++ b/x/build.rs
@@ -0,0 +1,25 @@
+use std::path::PathBuf;
+
+fn main() {
+    // set by cargo, build scripts should use this directory for output files
+    let out_dir = PathBuf::from(std::env::var_os("OUT_DIR").unwrap());
+    // set by cargo's artifact dependency feature, see
+    // https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#artifact-dependencies
+    let kernel = PathBuf::from(std::env::var_os("CARGO_BIN_FILE_KERNEL_kernel").unwrap());
+
+    // create an UEFI disk image (optional)
+    let uefi_path = out_dir.join("uefi.img");
+    bootloader::UefiBoot::new(&kernel)
+        .create_disk_image(&uefi_path)
+        .unwrap();
+
+    // create a BIOS disk image
+    let bios_path = out_dir.join("bios.img");
+    bootloader::BiosBoot::new(&kernel)
+        .create_disk_image(&bios_path)
+        .unwrap();
+
+    // pass the disk image paths as env variables to the
+    println!("cargo:rustc-env=UEFI_PATH={}", uefi_path.display());
+    println!("cargo:rustc-env=BIOS_PATH={}", bios_path.display());
+}