Align nrf
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@ -3,74 +3,37 @@
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#![doc = include_str!("../README.md")]
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mod fmt;
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pub use embassy_boot::{AlignedBuffer, BootFlash, FirmwareUpdater, FlashConfig, Partition, SingleFlashConfig};
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#[cfg(feature = "nightly")]
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pub use embassy_boot::FirmwareUpdater;
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pub use embassy_boot::{AlignedBuffer, BlockingFirmwareUpdater, BootLoaderConfig, FirmwareUpdaterConfig};
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use embassy_nrf::nvmc::{Nvmc, PAGE_SIZE};
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use embassy_nrf::peripherals::WDT;
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use embassy_nrf::wdt;
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use embedded_storage::nor_flash::{ErrorType, NorFlash, ReadNorFlash};
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/// A bootloader for nRF devices.
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pub struct BootLoader<const BUFFER_SIZE: usize = PAGE_SIZE> {
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boot: embassy_boot::BootLoader,
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pub struct BootLoader<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash, const BUFFER_SIZE: usize = PAGE_SIZE> {
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boot: embassy_boot::BootLoader<ACTIVE, DFU, STATE>,
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aligned_buf: AlignedBuffer<BUFFER_SIZE>,
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}
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#[cfg(target_os = "none")]
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impl Default for BootLoader<PAGE_SIZE> {
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/// Create a new bootloader instance using parameters from linker script
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fn default() -> Self {
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extern "C" {
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static __bootloader_state_start: u32;
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static __bootloader_state_end: u32;
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static __bootloader_active_start: u32;
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static __bootloader_active_end: u32;
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static __bootloader_dfu_start: u32;
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static __bootloader_dfu_end: u32;
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}
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let active = unsafe {
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Partition::new(
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&__bootloader_active_start as *const u32 as u32,
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&__bootloader_active_end as *const u32 as u32,
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)
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};
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let dfu = unsafe {
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Partition::new(
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&__bootloader_dfu_start as *const u32 as u32,
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&__bootloader_dfu_end as *const u32 as u32,
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)
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};
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let state = unsafe {
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Partition::new(
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&__bootloader_state_start as *const u32 as u32,
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&__bootloader_state_end as *const u32 as u32,
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)
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};
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trace!("ACTIVE: 0x{:x} - 0x{:x}", active.from, active.to);
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trace!("DFU: 0x{:x} - 0x{:x}", dfu.from, dfu.to);
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trace!("STATE: 0x{:x} - 0x{:x}", state.from, state.to);
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Self::new(active, dfu, state)
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}
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}
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impl<const BUFFER_SIZE: usize> BootLoader<BUFFER_SIZE> {
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impl<ACTIVE: NorFlash, DFU: NorFlash, STATE: NorFlash, const BUFFER_SIZE: usize>
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BootLoader<ACTIVE, DFU, STATE, BUFFER_SIZE>
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{
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/// Create a new bootloader instance using the supplied partitions for active, dfu and state.
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pub fn new(active: Partition, dfu: Partition, state: Partition) -> Self {
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pub fn new(config: BootLoaderConfig<ACTIVE, DFU, STATE>) -> Self {
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Self {
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boot: embassy_boot::BootLoader::new(active, dfu, state),
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boot: embassy_boot::BootLoader::new(config),
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aligned_buf: AlignedBuffer([0; BUFFER_SIZE]),
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}
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}
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/// Inspect the bootloader state and perform actions required before booting, such as swapping
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/// firmware.
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pub fn prepare<F: FlashConfig>(&mut self, flash: &mut F) -> usize {
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match self.boot.prepare_boot(flash, &mut self.aligned_buf.0) {
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Ok(_) => self.boot.boot_address(),
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Err(_) => panic!("boot prepare error!"),
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}
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pub fn prepare(&mut self) {
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self.boot
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.prepare_boot(&mut self.aligned_buf.0)
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.expect("Boot prepare error");
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}
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/// Boots the application without softdevice mechanisms.
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@ -79,10 +42,10 @@ impl<const BUFFER_SIZE: usize> BootLoader<BUFFER_SIZE> {
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///
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/// This modifies the stack pointer and reset vector and will run code placed in the active partition.
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#[cfg(not(feature = "softdevice"))]
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pub unsafe fn load(&mut self, start: usize) -> ! {
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pub unsafe fn load(&mut self, start: u32) -> ! {
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let mut p = cortex_m::Peripherals::steal();
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p.SCB.invalidate_icache();
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p.SCB.vtor.write(start as u32);
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p.SCB.vtor.write(start);
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cortex_m::asm::bootload(start as *const u32)
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}
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@ -92,7 +55,7 @@ impl<const BUFFER_SIZE: usize> BootLoader<BUFFER_SIZE> {
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///
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/// This modifies the stack pointer and reset vector and will run code placed in the active partition.
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#[cfg(feature = "softdevice")]
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pub unsafe fn load(&mut self, _app: usize) -> ! {
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pub unsafe fn load(&mut self, _app: u32) -> ! {
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use nrf_softdevice_mbr as mbr;
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const NRF_SUCCESS: u32 = 0;
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