From 3b25e71a78c6ac8514f3d59dc6e124a57439dcb6 Mon Sep 17 00:00:00 2001
From: Jorge Aparicio <jorge@japaric.io>
Date: Sat, 11 Aug 2018 20:41:46 -0500
Subject: v0.5.2

---
 cortex-m-rt/examples/override-exception.rs | 35 ++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 cortex-m-rt/examples/override-exception.rs

(limited to 'cortex-m-rt/examples/override-exception.rs')

diff --git a/cortex-m-rt/examples/override-exception.rs b/cortex-m-rt/examples/override-exception.rs
new file mode 100644
index 0000000..2f100a2
--- /dev/null
+++ b/cortex-m-rt/examples/override-exception.rs
@@ -0,0 +1,35 @@
+//! How to override the hard fault exception handler and the default exception handler
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+extern crate cortex_m;
+#[macro_use(entry, exception)]
+extern crate cortex_m_rt as rt;
+extern crate panic_semihosting;
+
+use cortex_m::asm;
+use rt::ExceptionFrame;
+
+// the program entry point
+entry!(main);
+
+fn main() -> ! {
+    loop {}
+}
+
+exception!(*, default_handler);
+
+fn default_handler(_irqn: i16) {
+    asm::bkpt();
+}
+
+exception!(HardFault, hard_fault);
+
+fn hard_fault(_ef: &ExceptionFrame) -> ! {
+    asm::bkpt();
+
+    loop {}
+}
-- 
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