From 2be8be074764f292822ddf022cc81a5d441ad28d Mon Sep 17 00:00:00 2001
From: clubby789 <jamie@hill-daniel.co.uk>
Date: Sun, 20 Jul 2025 18:45:48 +0100
Subject: [PATCH] Use `unsafe` block in IRQ handlers

---
 embassy-imxrt/src/lib.rs |  8 +++++---
 embassy-mspm0/src/lib.rs | 10 ++++++----
 embassy-nrf/src/lib.rs   | 10 ++++++----
 embassy-rp/src/lib.rs    | 10 ++++++----
 embassy-stm32/src/lib.rs | 10 ++++++----
 5 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/embassy-imxrt/src/lib.rs b/embassy-imxrt/src/lib.rs
index 5846afe5c..a3437c655 100644
--- a/embassy-imxrt/src/lib.rs
+++ b/embassy-imxrt/src/lib.rs
@@ -76,9 +76,11 @@ macro_rules! bind_interrupts {
             #[allow(non_snake_case)]
             #[no_mangle]
             unsafe extern "C" fn $irq() {
-                $(
-                    <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
-                )*
+                unsafe {
+                    $(
+                        <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
+                    )*
+                }
             }
 
             $(
diff --git a/embassy-mspm0/src/lib.rs b/embassy-mspm0/src/lib.rs
index bb8d91403..629ebfa1f 100644
--- a/embassy-mspm0/src/lib.rs
+++ b/embassy-mspm0/src/lib.rs
@@ -111,11 +111,13 @@ macro_rules! bind_interrupts {
             #[no_mangle]
             $(#[cfg($cond_irq)])?
             unsafe extern "C" fn $irq() {
-                $(
-                    $(#[cfg($cond_handler)])?
-                    <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
+                unsafe {
+                    $(
+                        $(#[cfg($cond_handler)])?
+                        <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
 
-                )*
+                    )*
+                }
             }
 
             $(#[cfg($cond_irq)])?
diff --git a/embassy-nrf/src/lib.rs b/embassy-nrf/src/lib.rs
index 44990ed85..caa274ff5 100644
--- a/embassy-nrf/src/lib.rs
+++ b/embassy-nrf/src/lib.rs
@@ -240,11 +240,13 @@ macro_rules! bind_interrupts {
             #[no_mangle]
             $(#[cfg($cond_irq)])?
             unsafe extern "C" fn $irq() {
-                $(
-                    $(#[cfg($cond_handler)])?
-                    <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
+                unsafe {
+                    $(
+                        $(#[cfg($cond_handler)])?
+                        <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
 
-                )*
+                    )*
+                }
             }
 
             $(#[cfg($cond_irq)])?
diff --git a/embassy-rp/src/lib.rs b/embassy-rp/src/lib.rs
index f3c5a35bb..9c450b6dc 100644
--- a/embassy-rp/src/lib.rs
+++ b/embassy-rp/src/lib.rs
@@ -189,11 +189,13 @@ macro_rules! bind_interrupts {
             #[no_mangle]
             $(#[cfg($cond_irq)])?
             unsafe extern "C" fn $irq() {
-                $(
-                    $(#[cfg($cond_handler)])?
-                    <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
+                unsafe {
+                    $(
+                        $(#[cfg($cond_handler)])?
+                        <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
 
-                )*
+                    )*
+                }
             }
 
             $(#[cfg($cond_irq)])?
diff --git a/embassy-stm32/src/lib.rs b/embassy-stm32/src/lib.rs
index 06c91ef97..46661008f 100644
--- a/embassy-stm32/src/lib.rs
+++ b/embassy-stm32/src/lib.rs
@@ -196,11 +196,13 @@ macro_rules! bind_interrupts {
             $(#[cfg($cond_irq)])?
             $(#[doc = $doc])*
             unsafe extern "C" fn $irq() {
-                $(
-                    $(#[cfg($cond_handler)])?
-                    <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
+                unsafe {
+                    $(
+                        $(#[cfg($cond_handler)])?
+                        <$handler as $crate::interrupt::typelevel::Handler<$crate::interrupt::typelevel::$irq>>::on_interrupt();
 
-                )*
+                    )*
+                }
             }
 
             $(#[cfg($cond_irq)])?