diff --git a/Cargo.lock b/Cargo.lock
index 2e40f57..e69368e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,137 +1,53 @@
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diff --git a/nucleus/Cargo.toml b/nucleus/Cargo.toml
index ce580a9..895ebd4 100644
--- a/nucleus/Cargo.toml
+++ b/nucleus/Cargo.toml
@@ -22,5 +22,5 @@ qemu = ["qemu-exit"]
 [dependencies]
 r0 = "1.0"
 rlibc = "1.0"
-qemu-exit = { version = "0.1", optional = true }
+qemu-exit = { version = "1.0", optional = true }
 cortex-a = "3.0"
diff --git a/nucleus/src/macros.rs b/nucleus/src/macros.rs
index c986bb9..7707f61 100644
--- a/nucleus/src/macros.rs
+++ b/nucleus/src/macros.rs
@@ -28,5 +28,5 @@ pub fn _print(_args: core::fmt::Arguments) {
 pub fn _print(args: core::fmt::Arguments) {
     use crate::{qemu, write_to};
     let mut buf = [0u8; 512];
-    qemu::semihosting_sys_write0_call(write_to::c_show(&mut buf, args).unwrap());
+    qemu::semihosting::sys_write0_call(write_to::c_show(&mut buf, args).unwrap());
 }
diff --git a/nucleus/src/qemu.rs b/nucleus/src/qemu.rs
index 0612d81..d8ff082 100644
--- a/nucleus/src/qemu.rs
+++ b/nucleus/src/qemu.rs
@@ -1,11 +1,22 @@
-#[cfg(test)]
-pub fn semihosting_sys_write0_call(text: &str) {
-    // SAFETY: text must be \0-terminated!
-    unsafe {
-        asm!(
+pub mod semihosting {
+    pub fn exit_success() {
+        use qemu_exit::QEMUExit;
+
+        #[cfg(target_arch = "aarch64")]
+        let qemu_exit_handle = qemu_exit::AArch64::new();
+
+        qemu_exit_handle.exit_success();
+    }
+
+    #[cfg(test)]
+    pub fn sys_write0_call(text: &str) {
+        // SAFETY: text must be \0-terminated!
+        unsafe {
+            asm!(
             "mov w0, #0x04
              hlt #0xF000"
-             , in("x1") text.as_ptr() as u64
-        );
+            , in("x1") text.as_ptr() as u64
+            );
+        }
     }
 }
diff --git a/nucleus/src/tests.rs b/nucleus/src/tests.rs
index cae6ed9..56e9400 100644
--- a/nucleus/src/tests.rs
+++ b/nucleus/src/tests.rs
@@ -1,7 +1,7 @@
 //============================================================================
 // Testing environment
 //============================================================================
-use crate::println;
+use crate::{println, qemu};
 
 #[cfg(test)]
 pub fn test_runner(tests: &[&dyn Fn()]) {
@@ -10,5 +10,5 @@ pub fn test_runner(tests: &[&dyn Fn()]) {
         test();
     }
     println!("[success]");
-    qemu_exit::aarch64::exit_success();
+    qemu::semihosting::exit_success();
 }