update

[l4.git] / l4 / pkg / plr / server / src / fault_handlers / syscalls_handler.h

diff --git a/l4/pkg/plr/server/src/fault_handlers/syscalls_handler.h b/l4/pkg/plr/server/src/fault_handlers/syscalls_handler.h
new file mode 100644 (file)
index 0000000..2b10c2d
--- /dev/null
+++ b/l4/pkg/plr/server/src/fault_handlers/syscalls_handler.h
@@ -0,0 +1,76 @@
+#pragma once
+
+/*
+ * syscalls_handler.h --
+ *
+ *     Interface for system call wrappers
+ *
+ * (c) 2012 Björn Döbel <doebel@os.inf.tu-dresden.de>,
+ *     economic rights: Technische Universität Dresden (Germany)
+ * This file is part of TUD:OS and distributed under the terms of the
+ * GNU General Public License 2.
+ * Please see the COPYING-GPL-2 file for details.
+ */
+
+namespace Romain
+{
+
+extern InstanceManager *_the_instance_manager;
+
+/*
+ * Generic system call wrapper class
+ */
+class SyscallHandler
+{
+
+       /*
+        * Store UTCB from orig to backup.
+        */
+       void store_utcb(char *orig, char *backup) { memcpy(backup, orig, L4_UTCB_OFFSET); }
+
+       public:
+               SyscallHandler() = default;
+
+               virtual
+               Romain::Observer::ObserverReturnVal
+               handle(Romain::App_instance *i,
+                      Romain::App_thread *t,
+                      Romain::Thread_group *tg,
+                      Romain::App_model *a)
+               {
+                       enter_kdebug("calling empty syscall handler!?");
+                       return Romain::Observer::Replicatable;
+               }
+
+               virtual void
+               proxy_syscall(Romain::App_instance *i,
+                             Romain::App_thread *t,
+                             Romain::Thread_group *tg,
+                             Romain::App_model *a);
+};
+
+#define SpecificSyscallHandler(name) \
+       class name : public SyscallHandler \
+       { \
+               public: \
+                       name() \
+                               : SyscallHandler() \
+                       { } \
+                       virtual \
+                       Romain::Observer::ObserverReturnVal \
+                       handle(Romain::App_instance *i, \
+                              Romain::App_thread *t, \
+                              Romain::Thread_group *tg, \
+                              Romain::App_model *a); \
+       };
+
+
+/*
+ * System call wrapper for L4_PROTO_SCHEDULER
+ */
+SpecificSyscallHandler(Scheduling);
+SpecificSyscallHandler(ThreadHandler);
+SpecificSyscallHandler(RegionManagingHandler);
+SpecificSyscallHandler(IrqHandler);
+
+}