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fix permissible function code on altboot

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this allows recovery from revoked keys and trying to load
a dev-boot signed image from alt-boot loader
This commit is contained in:
bunnie 2026-01-19 03:34:55 +08:00
parent 6bb94a148e
commit 97df81de44
1 changed files with 6 additions and 2 deletions
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8
libs/bao1x-api/src/pubkeys/mod.rs
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@ -72,12 +72,16 @@ pub const BOOT0_TO_BOOT1: SecurityConfiguration = SecurityConfiguration {
};
/// This is different from a jump directly to loader/baremetal because the
/// function codes *must* be for Boot1.
/// function codes *must* be for Boot1 or Baremetal. Loader is not a valid option.
pub const BOOT0_TO_ALTBOOT1: SecurityConfiguration = SecurityConfiguration {
image_ptr: crate::LOADER_START as *const u32,
pubkey_ptr: crate::BOOT0_START as *const u32,
revocation_owc: crate::BOOT0_REVOCATION_OFFSET,
function_codes: &[FunctionCode::Boot1 as u32, FunctionCode::UpdatedBoot1 as u32],
function_codes: &[
FunctionCode::Boot1 as u32,
FunctionCode::UpdatedBoot1 as u32,
FunctionCode::Baremetal as u32,
],
};
pub const BOOT1_TO_LOADER_OR_BAREMETAL: SecurityConfiguration = SecurityConfiguration {