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feat(bootloader-interface): add support for loader boot times

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This commit is contained in:
Alex Zenla
2025-10-30 02:36:14 -04:00
parent e7d2438e5f
commit 87d608366f
8 changed files with 214 additions and 10 deletions
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11
src/integrations/bootloader_interface.rs
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@@ -1,3 +1,4 @@
use crate::platform::timer::PlatformTimer;
use anyhow::{Context, Result};
use uefi::{CString16, Guid, guid};
use uefi_raw::table::runtime::{VariableAttributes, VariableVendor};
@@ -11,14 +12,14 @@ impl BootloaderInterface {
/// Tell the system that Sprout was initialized at the current time.
pub fn mark_init() -> Result<()> {
// TODO(azenla): Implement support for LoaderTimeInitUSec here.
Ok(())
Self::set_cstr16("LoaderTimeInitUSec", "0")
}
/// Tell the system that Sprout is about to execute the boot entry.
pub fn mark_exec() -> Result<()> {
// TODO(azenla): Implement support for LoaderTimeExecUSec here.
Ok(())
pub fn mark_exec(timer: &PlatformTimer) -> Result<()> {
// Measure the elapsed time since the bootloader was started.
let elapsed = timer.elapsed();
Self::set_cstr16("LoaderTimeExecUSec", &elapsed.as_micros().to_string())
}
/// Tell the system what the partition GUID of the ESP Sprout was booted from is.