thermosphere: exception dispatcher rewrite

thermosphere/src/hvisor_exception_dispatcher.hpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2019-2020 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 "hvisor_exception_stack_frame.hpp"
+#include "cpu/hvisor_cpu_exception_sysregs.hpp"
+
+namespace ams::hvisor {
+
+    void EnableGeneralTraps(void);
+
+    // Called on exception entry (avoids overflowing a vector section)
+    void ExceptionEntryPostprocess(ExceptionStackFrame *frame, bool isLowerEl);
+
+    // Called on exception return (avoids overflowing a vector section)
+    void ExceptionReturnPreprocess(ExceptionStackFrame *frame);
+
+    void HandleLowerElSyncException(ExceptionStackFrame *frame);
+
+    void HandleSameElSyncException(ExceptionStackFrame *frame);
+
+    void HandleUnknownException(u32 offset);
+
+}