--- a/drivers/thermald/Cargo.toml	1970-01-01 00:00:00.000000000 +0000
+++ b/drivers/thermald/Cargo.toml	2026-05-03 15:54:52.487976196 +0100
@@ -0,0 +1,12 @@
+[package]
+name = "thermald"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+log.workspace = true
+anyhow.workspace = true
+common = { path = "../common" }
+
+[lints]
+workspace = true
--- a/drivers/thermald/src/main.rs	1970-01-01 00:00:00.000000000 +0000
+++ b/drivers/thermald/src/main.rs	2026-05-03 15:54:52.488780946 +0100
@@ -0,0 +1,30 @@
+use anyhow::{Context, Result};
+use std::{thread, time};
+
+fn read_temp() -> Option<f32> {
+    for zone in 0..4 {
+        let path = format!("/scheme/acpi/thermal_zone/{}/temperature", zone);
+        if let Ok(data) = std::fs::read_to_string(&path) {
+            if let Ok(mv) = data.trim().parse::<u32>() {
+                return Some(mv as f32 / 1000.0);
+            }
+        }
+    }
+    None
+}
+
+fn main() -> Result<()> {
+    common::setup_logging("system", "thermald", "thermald",
+        common::output_level(), common::file_level());
+    log::info!("thermald: started");
+    loop {
+        if let Some(temp) = read_temp() {
+            if temp > 85.0 {
+                log::error!("thermald: CRITICAL {:.1}C", temp);
+            } else if temp > 70.0 {
+                log::warn!("thermald: WARNING {:.1}C", temp);
+            }
+        }
+        thread::sleep(time::Duration::from_secs(5));
+    }
+}
--- a/init.d/30_thermald.service	1970-01-01 00:00:00.000000000 +0000
+++ b/init.d/30_thermald.service	2026-05-03 15:54:52.489441597 +0100
@@ -0,0 +1,7 @@
+[unit]
+description = "CPU Thermal Monitor"
+requires_weak = ["00_base.target"]
+
+[service]
+cmd = "thermald"
+type = "oneshot_async"