From 3a0752f734f4370a05e45958499ddd9c3a4b3919 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <c@localhost>
Date: Mon, 22 Aug 2022 21:39:16 -0700
Subject: Modularize

---
 src/qemu/mod.rs | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/qemu/mod.rs

(limited to 'src/qemu')

diff --git a/src/qemu/mod.rs b/src/qemu/mod.rs
new file mode 100644
index 0000000..4c1ab37
--- /dev/null
+++ b/src/qemu/mod.rs
@@ -0,0 +1,31 @@
+//! # QEMU Crate
+//!
+//! Provide QEMU bindings
+
+/// # QEMU Exit Codes
+///
+/// Provides QEMU exit codes
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[repr(u32)]
+pub enum QemuExitCode {
+	/// # Success
+	///
+	/// Exit QEMU successfully
+	Success = 0x10,
+	/// # Failure
+	///
+	/// Exit QEMU with error
+	Failed = 0x11,
+}
+
+/// # Exit QEMU
+///
+/// Exit QEMU with an exit code
+pub fn exit_qemu(exit_code: QemuExitCode) {
+	use x86_64::instructions::port::Port;
+
+	unsafe {
+		let mut port = Port::new(0xf4);
+		port.write(exit_code as u32);
+	}
+}
-- 
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