18 files changed, 81 insertions, 16 deletions
diff --git a/cortex-m-rt/examples/alignment.rs b/cortex-m-rt/examples/alignment.rs
index 25d755d..4421e69 100644
--- a/cortex-m-rt/examples/alignment.rs
+++ b/cortex-m-rt/examples/alignment.rs
@@ -5,7 +5,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_abort;
+extern crate panic_halt;
 
 use core::ptr;
 
diff --git a/cortex-m-rt/examples/data_overflow.rs b/cortex-m-rt/examples/data_overflow.rs
index ceec18b..ea48b23 100644
--- a/cortex-m-rt/examples/data_overflow.rs
+++ b/cortex-m-rt/examples/data_overflow.rs
@@ -6,7 +6,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_abort;
+extern crate panic_halt;
 
 use core::ptr;
 
diff --git a/cortex-m-rt/examples/device.rs b/cortex-m-rt/examples/device.rs
index 950a564..dc1c738 100644
--- a/cortex-m-rt/examples/device.rs
+++ b/cortex-m-rt/examples/device.rs
@@ -6,7 +6,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use rt::entry;
 
diff --git a/cortex-m-rt/examples/divergent-default-handler.rs b/cortex-m-rt/examples/divergent-default-handler.rs
index cbb8bb1..22fa437 100644
--- a/cortex-m-rt/examples/divergent-default-handler.rs
+++ b/cortex-m-rt/examples/divergent-default-handler.rs
@@ -4,7 +4,7 @@
 #![no_std]
 
 extern crate cortex_m_rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m_rt::{entry, exception};
 
diff --git a/cortex-m-rt/examples/divergent-exception.rs b/cortex-m-rt/examples/divergent-exception.rs
index 9998884..cb2247b 100644
--- a/cortex-m-rt/examples/divergent-exception.rs
+++ b/cortex-m-rt/examples/divergent-exception.rs
@@ -3,7 +3,7 @@
 #![no_std]
 
 extern crate cortex_m_rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m_rt::{entry, exception};
 
diff --git a/cortex-m-rt/examples/entry-static.rs b/cortex-m-rt/examples/entry-static.rs
index 1b2e118..55e7a89 100644
--- a/cortex-m-rt/examples/entry-static.rs
+++ b/cortex-m-rt/examples/entry-static.rs
@@ -6,7 +6,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use rt::entry;
 
diff --git a/cortex-m-rt/examples/main.rs b/cortex-m-rt/examples/main.rs
index e5ce3d1..b8ab66e 100644
--- a/cortex-m-rt/examples/main.rs
+++ b/cortex-m-rt/examples/main.rs
@@ -5,7 +5,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 #[no_mangle]
 pub unsafe extern "C" fn main() -> ! {
diff --git a/cortex-m-rt/examples/minimal.rs b/cortex-m-rt/examples/minimal.rs
index 6f60180..bd0a6ad 100644
--- a/cortex-m-rt/examples/minimal.rs
+++ b/cortex-m-rt/examples/minimal.rs
@@ -6,7 +6,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use rt::entry;
 
diff --git a/cortex-m-rt/examples/override-exception.rs b/cortex-m-rt/examples/override-exception.rs
index 3e0af25..6da6c5e 100644
--- a/cortex-m-rt/examples/override-exception.rs
+++ b/cortex-m-rt/examples/override-exception.rs
@@ -7,7 +7,7 @@
 
 extern crate cortex_m;
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m::asm;
 use rt::{entry, exception, ExceptionFrame};
diff --git a/cortex-m-rt/examples/pre_init.rs b/cortex-m-rt/examples/pre_init.rs
index 00e2f2c..2c931bb 100644
--- a/cortex-m-rt/examples/pre_init.rs
+++ b/cortex-m-rt/examples/pre_init.rs
@@ -5,7 +5,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use rt::{entry, pre_init};
 
diff --git a/cortex-m-rt/examples/qemu.rs b/cortex-m-rt/examples/qemu.rs
new file mode 100644
index 0000000..e2cd895
--- /dev/null
+++ b/cortex-m-rt/examples/qemu.rs
@@ -0,0 +1,29 @@
+// #![feature(stdsimd)]
+#![no_main]
+#![no_std]
+
+extern crate cortex_m;
+
+extern crate cortex_m_rt as rt;
+extern crate cortex_m_semihosting as semihosting;
+extern crate panic_halt;
+
+use core::fmt::Write;
+use cortex_m::asm;
+use rt::entry;
+
+#[entry]
+fn main() -> ! {
+    let x = 42;
+
+    loop {
+        asm::nop();
+
+        // write something through semihosting interface
+        let mut hstdout = semihosting::hio::hstdout().unwrap();
+        write!(hstdout, "x = {}\n", x);
+
+        // exit from qemu
+        semihosting::debug::exit(semihosting::debug::EXIT_SUCCESS);
+    }
+}
diff --git a/cortex-m-rt/examples/rand.rs b/cortex-m-rt/examples/rand.rs
index e0cfd31..ec3afaa 100644
--- a/cortex-m-rt/examples/rand.rs
+++ b/cortex-m-rt/examples/rand.rs
@@ -7,7 +7,7 @@
 extern crate cortex_m_rt as rt;
 use rt::entry;
 
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 extern crate rand;
 use rand::Rng;
diff --git a/cortex-m-rt/examples/state.rs b/cortex-m-rt/examples/state.rs
index 573914f..ee6224d 100644
--- a/cortex-m-rt/examples/state.rs
+++ b/cortex-m-rt/examples/state.rs
@@ -6,7 +6,7 @@
 #![no_std]
 
 extern crate cortex_m_rt as rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use rt::{entry, exception};
 
diff --git a/cortex-m-rt/examples/unsafe-default-handler.rs b/cortex-m-rt/examples/unsafe-default-handler.rs
index 48bd31e..a805c12 100644
--- a/cortex-m-rt/examples/unsafe-default-handler.rs
+++ b/cortex-m-rt/examples/unsafe-default-handler.rs
@@ -3,7 +3,7 @@
 #![no_std]
 
 extern crate cortex_m_rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m_rt::{entry, exception};
 
diff --git a/cortex-m-rt/examples/unsafe-entry.rs b/cortex-m-rt/examples/unsafe-entry.rs
index feb6f44..9dcbf33 100644
--- a/cortex-m-rt/examples/unsafe-entry.rs
+++ b/cortex-m-rt/examples/unsafe-entry.rs
@@ -3,7 +3,7 @@
 #![no_std]
 
 extern crate cortex_m_rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m_rt::entry;
 
diff --git a/cortex-m-rt/examples/unsafe-exception.rs b/cortex-m-rt/examples/unsafe-exception.rs
index d67f06f..4212610 100644
--- a/cortex-m-rt/examples/unsafe-exception.rs
+++ b/cortex-m-rt/examples/unsafe-exception.rs
@@ -3,7 +3,7 @@
 #![no_std]
 
 extern crate cortex_m_rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m_rt::{entry, exception};
 
diff --git a/cortex-m-rt/examples/unsafe-hard-fault.rs b/cortex-m-rt/examples/unsafe-hard-fault.rs
index b091d47..b1d48f3 100644
--- a/cortex-m-rt/examples/unsafe-hard-fault.rs
+++ b/cortex-m-rt/examples/unsafe-hard-fault.rs
@@ -3,7 +3,7 @@
 #![no_std]
 
 extern crate cortex_m_rt;
-extern crate panic_semihosting;
+extern crate panic_halt;
 
 use cortex_m_rt::{entry, exception, ExceptionFrame};
 
diff --git a/cortex-m-rt/examples/unsafety.rs b/cortex-m-rt/examples/unsafety.rs
new file mode 100644
index 0000000..cdb5aca
--- /dev/null
+++ b/cortex-m-rt/examples/unsafety.rs
@@ -0,0 +1,36 @@
+//! Checks that the declared unsafety is respected by the attributes
+
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+extern crate cortex_m_rt;
+extern crate panic_halt;
+
+use cortex_m_rt::{entry, exception, ExceptionFrame};
+
+#[entry]
+unsafe fn main() -> ! {
+    foo();
+
+    loop {}
+}
+
+#[exception]
+unsafe fn DefaultHandler(_irqn: i16) {
+    foo();
+}
+
+#[exception]
+unsafe fn HardFault(_ef: &ExceptionFrame) -> ! {
+    foo();
+
+    loop {}
+}
+
+#[exception]
+unsafe fn SysTick() {
+    foo();
+}
+
+unsafe fn foo() {}