Handout

arch/system.cc

@@ -0,0 +1,16 @@
+#include "system.h"
+
+#include "../debug/output.h"
+#include "cmos.h"
+#include "ioport.h"
+
+namespace System {
+
+void reboot() {
+  const IOPort system_control_port_a(0x92);
+  DBG_VERBOSE << "rebooting smp" << endl;
+  CMOS::write(CMOS::REG_STATUS_SHUTDOWN, 0);
+  system_control_port_a.outb(0x3);
+}
+
+}  // namespace System