kern: skeleton enough types to init KCoreLocalRegion in main()

libraries/libmesosphere/include/mesosphere/kern_select_interrupt_manager.hpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+#include "kern_panic.hpp"
+
+#if defined(ATMOSPHERE_ARCH_ARM64)
+
+    #include <mesosphere/arch/arm64/kern_k_interrupt_manager.hpp>
+    namespace ams::kern {
+        using ams::kern::arm64::KInterruptManager;
+    }
+
+#else
+
+    #error "Unknown architecture for KInterruptManager"
+
+#endif
+
+
+namespace ams::kern {
+
+
+    /* Enable or disable interrupts for the lifetime of an object. */
+    class KScopedInterruptDisable {
+        NON_COPYABLE(KScopedInterruptDisable);
+        NON_MOVEABLE(KScopedInterruptDisable);
+        private:
+            u32 prev_intr_state;
+        public:
+            ALWAYS_INLINE KScopedInterruptDisable() : prev_intr_state(KInterruptManager::DisableInterrupts()) { /* ... */ }
+            ~KScopedInterruptDisable() { KInterruptManager::RestoreInterrupts(prev_intr_state); }
+    };
+
+    class KScopedInterruptEnable {
+        NON_COPYABLE(KScopedInterruptEnable);
+        NON_MOVEABLE(KScopedInterruptEnable);
+        private:
+            u32 prev_intr_state;
+        public:
+            ALWAYS_INLINE KScopedInterruptEnable() : prev_intr_state(KInterruptManager::EnableInterrupts()) { /* ... */ }
+            ~KScopedInterruptEnable() { KInterruptManager::RestoreInterrupts(prev_intr_state); }
+    };
+
+}