kern: invoke supervisor mode thread functions from C++ context with valid stack frame

2024-10-09 22:01:45 -07:00
parent d0c557e30f
commit 4baf0e8cce
2 changed files with 15 additions and 1 deletions
--- a/libraries/libmesosphere/source/arch/arm64/kern_k_thread_context.cpp
+++ b/libraries/libmesosphere/source/arch/arm64/kern_k_thread_context.cpp
@@ -21,6 +21,15 @@ namespace ams::kern::arch::arm64 {
    void UserModeThreadStarter();
    void SupervisorModeThreadStarter();

+    void InvokeSupervisorModeThread(uintptr_t argument, uintptr_t entrypoint) {
+        /* Invoke the function. */
+        using SupervisorModeFunctionType = void (*)(uintptr_t);
+        reinterpret_cast<SupervisorModeFunctionType>(entrypoint)(argument);
+
+        /* Wait forever. */
+        AMS_INFINITE_LOOP();
+    }
+
    void OnThreadStart() {
        MESOSPHERE_ASSERT(!KInterruptManager::AreInterruptsEnabled());
        /* Send KDebug event for this thread's creation. */