Merge pull request #8 from Neotron-Compute/add-power-control

Add power-control and compare-and-swap.

Author: jonathanpallant

Cargo.lock

@@ -13,5 +13,5 @@ clap = {version = "4.2", features = ["derive"]}
 env_logger = "0.9"
 libloading = "0.7"
 log = "0.4"
-neotron-common-bios = "0.10"
+neotron-common-bios = "0.11"
 pix-engine = "0.7"

Cargo.toml

@@ -151,6 +151,8 @@ static BIOS_API: common::Api = common::Api {
 	block_read,
 	block_verify,
 	power_idle,
+	power_control,
+	compare_and_swap_bool,
 };
 
 /// Our standard 256 colour palette
@@ -1515,6 +1517,20 @@ extern "C" fn power_idle() {
 	std::thread::sleep(std::time::Duration::from_millis(1));
 }
 
+extern "C" fn power_control(mode: common::PowerMode) -> ! {
+	println!("Got power mode {:?}, but quitting...", mode);
+	std::process::exit(0);
+}
+
+extern "C" fn compare_and_swap_bool(
+	item: &std::sync::atomic::AtomicBool,
+	old_value: bool,
+	new_value: bool,
+) -> bool {
+	item.compare_exchange(old_value, new_value, Ordering::SeqCst, Ordering::SeqCst)
+		.is_ok()
+}
+
 // ===========================================================================
 // Impl Blocks
 // ===========================================================================