integration-test: misc

README.md

@@ -21,3 +21,9 @@ at your option.
 Unless you explicitly state otherwise, any contribution intentionally submitted
 for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
 dual licensed as above, without any additional terms or conditions.
+
+## Developer Guide
+
+This is a pretty normal Cargo workspace with two crates. For the integration
+test, please read the
+corresponding [instructions](./integration-test/README.md).

integration-test/bins/multiboot2_chainloader/Cargo.toml

@@ -1,6 +1,9 @@
 [package]
 name = "multiboot2_chainloader"
-description = "Integrationtest: Multiboot2 chainloader"
+description = """
+Integrationtest: Multiboot2 chainloader. The loader itself loads via Multiboot1,
+but the payload is loaded via Multiboot2 by the loader.
+"""
 version = "0.1.0"
 edition = "2021"
 publish = false

integration-test/bins/multiboot2_chainloader/src/main.rs

@@ -19,8 +19,6 @@ core::arch::global_asm!(include_str!("start.S"), options(att_syntax));
 #[no_mangle]
 fn rust_entry(multiboot_magic: u32, multiboot_hdr: *const u32) -> ! {
     init_environment();
-    let x = 0.12 + 0.56;
-    log::debug!("{x}");
     log::debug!("multiboot_hdr={multiboot_hdr:x?}, multiboot_magic=0x{multiboot_magic:x?}");
     let mbi = multiboot::get_mbi(multiboot_magic, multiboot_hdr as u32).unwrap();
     let module_iter = mbi.modules().expect("Should provide modules");

integration-test/bins/multiboot2_payload/src/main.rs

@@ -29,7 +29,9 @@ fn main(multiboot2_magic: u32, multiboot2_hdr: u32) -> anyhow::Result<()> {
     if multiboot2_magic != multiboot2::MAGIC {
         Err(anyhow::Error::msg("Invalid bootloader magic"))?
     }
-    log::debug!("multiboot2_hdr={multiboot2_hdr:x?}, multiboot2_magic=0x{multiboot2_magic:x?}");
+    log::debug!(
+        "multiboot2_hdr=0x{multiboot2_hdr:08x?}, multiboot2_magic=0x{multiboot2_magic:08x?}"
+    );
 
     let mbi_ptr = (multiboot2_hdr as *const u8).cast();
     let mbi = unsafe { BootInformation::load(mbi_ptr) }.map_err(anyhow::Error::msg)?;