wip implement syscall in cpp

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/x86_64/src/context_switching/syscall_handler.cpp b/arch/x86_64/src/context_switching/syscall_handler.cpp
new file mode 100644
index 0000000..1bc4ef9
--- /dev/null
+++ b/arch/x86_64/src/context_switching/syscall_handler.cpp
@@ -0,0 +1,20 @@
+#include "arch/context_switching/syscall_handler.hpp"
+
+#include <cstdint>
+
+namespace teachos::arch::context_switching
+{
+  [[gnu::naked]]
+  auto syscall_handler() -> void
+  {
+    uint64_t dummy{};
+    switch (dummy)
+    {
+      case 0:
+        break;
+      default:
+        break;
+    }
+    asm volatile("SYSRET");
+  }
+}  // namespace teachos::arch::context_switching
\ No newline at end of file