2 files changed, 14 insertions, 8 deletions

diff --git a/examples/boot/bootloader/stm32/Cargo.toml b/examples/boot/bootloader/stm32/Cargo.toml
index 541186949..e457310b9 100644
--- a/examples/boot/bootloader/stm32/Cargo.toml
+++ b/examples/boot/bootloader/stm32/Cargo.toml
@@ -1,18 +1,19 @@
 [package]
-edition = "2021"
+edition = "2024"
 name = "stm32-bootloader-example"
 version = "0.1.0"
 description = "Example bootloader for STM32 chips"
 license = "MIT OR Apache-2.0"
+publish = false
 
 [dependencies]
-defmt = { version = "0.3", optional = true }
-defmt-rtt = { version = "0.4", optional = true }
+defmt = { version = "1.0.1", optional = true }
+defmt-rtt = { version = "1.0.0", optional = true }
 
 embassy-stm32 = { path = "../../../../embassy-stm32", features = [] }
 embassy-boot-stm32 = { path = "../../../../embassy-boot-stm32" }
 cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
-embassy-sync = { version = "0.6.0", path = "../../../../embassy-sync" }
+embassy-sync = { version = "0.7.2", path = "../../../../embassy-sync" }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.1"
 embedded-storage-async = "0.4.0"
@@ -56,3 +57,8 @@ debug = false
 debug-assertions = false
 opt-level = 0
 overflow-checks = false
+
+[package.metadata.embassy]
+build = [
+  { target = "thumbv7em-none-eabi", features = ["embassy-stm32/stm32l496zg"] }
+]
diff --git a/examples/boot/bootloader/stm32/src/main.rs b/examples/boot/bootloader/stm32/src/main.rs
index 99a7a6a6b..383ad912d 100644
--- a/examples/boot/bootloader/stm32/src/main.rs
+++ b/examples/boot/bootloader/stm32/src/main.rs
@@ -7,7 +7,7 @@ use cortex_m_rt::{entry, exception};
 #[cfg(feature = "defmt")]
 use defmt_rtt as _;
 use embassy_boot_stm32::*;
-use embassy_stm32::flash::{Flash, BANK1_REGION};
+use embassy_stm32::flash::{BANK1_REGION, Flash};
 use embassy_sync::blocking_mutex::Mutex;
 
 #[entry]
@@ -32,8 +32,8 @@ fn main() -> ! {
     unsafe { bl.load(BANK1_REGION.base + active_offset) }
 }
 
-#[no_mangle]
-#[cfg_attr(target_os = "none", link_section = ".HardFault.user")]
+#[unsafe(no_mangle)]
+#[cfg_attr(target_os = "none", unsafe(link_section = ".HardFault.user"))]
 unsafe extern "C" fn HardFault() {
     cortex_m::peripheral::SCB::sys_reset();
 }
@@ -41,7 +41,7 @@ unsafe extern "C" fn HardFault() {
 #[exception]
 unsafe fn DefaultHandler(_: i16) -> ! {
     const SCB_ICSR: *const u32 = 0xE000_ED04 as *const u32;
-    let irqn = core::ptr::read_volatile(SCB_ICSR) as u8 as i16 - 16;
+    let irqn = unsafe { core::ptr::read_volatile(SCB_ICSR) } as u8 as i16 - 16;
 
     panic!("DefaultHandler #{:?}", irqn);
 }