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document by hand much more of the sprout code

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Alex Zenla
2025-10-19 23:03:28 -07:00
parent 8997e417b3
commit 106064d3e7
9 changed files with 153 additions and 8 deletions
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7
src/setup.rs
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@@ -6,19 +6,22 @@ use std::os::uefi as uefi_std;
/// This fetches the system table and current image handle from uefi_std and injects
/// them into the uefi crate.
pub fn init() -> Result<()> {
// Acquire the system table and image handle from the uefi_std environment.
let system_table = uefi_std::env::system_table();
let image_handle = uefi_std::env::image_handle();
// SAFETY: The uefi variables above come from the Rust std.
// These variables are nonnull and calling the uefi crates with these values is validated
// SAFETY: The UEFI variables above come from the Rust std.
// These variables are not-null and calling the uefi crates with these values is validated
// to be corrected by hand.
unsafe {
// Set the system table and image handle.
uefi::table::set_system_table(system_table.as_ptr().cast());
let handle = uefi::Handle::from_ptr(image_handle.as_ptr().cast())
.context("unable to resolve image handle")?;
uefi::boot::set_image_handle(handle);
}
// Initialize the uefi logger mechanism and other helpers.
uefi::helpers::init().context("unable to initialize uefi")?;
Ok(())
}