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move the backup region check below IRQ handler setup

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this seems to be necessary for stability on dabao
This commit is contained in:
bunnie 2025-12-18 03:56:18 +08:00
parent 4c0245fa41
commit bb29c53bad
1 changed files with 10 additions and 4 deletions
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14
bao1x-boot/boot1/src/platform/bao1x/bao1x.rs
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@ -140,10 +140,9 @@ pub fn setup_backup_region() -> u32 {
/// This can change the board type coding to a safer, simpler board type if the declared board type has
/// problems booting.
pub fn early_init(mut board_type: bao1x_api::BoardTypeCoding) -> (bao1x_api::BoardTypeCoding, u32) {
#[cfg(not(feature = "alt-boot1"))]
if setup_backup_region() == 0 {
crate::println!("backup region is clean!");
}
// This can be used to debug stuff early on dabao, assuming boot0 setup the console UART. It normally
// does, but we leave this commented out for non-debug situations because it's a weak guarantee.
// crate::debug::USE_CONSOLE.store(true, core::sync::atomic::Ordering::SeqCst);
irq_setup();
// all sensors & IRQs setup already by boot0, but it doesn't hurt to re-write these registers
@ -157,6 +156,13 @@ pub fn early_init(mut board_type: bao1x_api::BoardTypeCoding) -> (bao1x_api::Boa
let iox = Iox::new(utra::iox::HW_IOX_BASE as *mut u32);
// this has to happen after the IRQs are enabled because if a false security alarm is triggered the
// system won't reboot properly at the end of the set_backup_region() routine
#[cfg(not(feature = "alt-boot1"))]
if setup_backup_region() == 0 {
crate::println!("backup region is clean!");
}
// setup board-specific I/Os - early boot set. These are items that have to be
// done in a time-sensitive fashion.
match board_type {