Add KInterruptBottomHalfGuard

mesosphere/include/mesosphere/interrupts/KInterruptBottomHalfGuard.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <mesosphere/core/KCoreContext.hpp>
+
+namespace mesosphere
+{
+
+class KThread;
+inline void IncrementThreadInterruptBottomHalfLockCount(KThread &thread);
+inline void DecrementThreadInterruptBottomHalfLockCount(KThread &thread);
+
+class KInterruptBottomHalfGuard final {
+    public:
+    KInterruptBottomHalfGuard()
+    {
+        KThread *curThread = KCoreContext::GetCurrentInstance().GetCurrentThread();
+        IncrementInterruptBottomHalfLockCount(*curThread);
+    }
+
+    ~KInterruptBottomHalfGuard()
+    {
+        KThread *curThread = KCoreContext::GetCurrentInstance().GetCurrentThread();
+        DecrementInterruptBottomHalfLockCount(*curThread);
+    }
+
+    KInterruptBottomHalfGuard(const KInterruptBottomHalfGuard &) = delete;
+    KInterruptBottomHalfGuard(KInterruptBottomHalfGuard &&) = delete;
+    KInterruptBottomHalfGuard &operator=(const KInterruptBottomHalfGuard &) = delete;
+    KInterruptBottomHalfGuard &operator=(KInterruptBottomHalfGuard &&) = delete;
+};
+
+}