Add custom pm sysmodule

sysmodules/pm/source/task_runner.c

@@ -0,0 +1,31 @@
+#include <3ds.h>
+#include <string.h>
+#include "task_runner.h"
+
+TaskRunner g_taskRunner;
+
+void TaskRunner_Init(void)
+{
+    memset(&g_taskRunner, 0, sizeof(TaskRunner));
+    LightEvent_Init(&g_taskRunner.readyEvent, RESET_ONESHOT);
+    LightEvent_Init(&g_taskRunner.parametersSetEvent, RESET_ONESHOT);
+}
+
+void TaskRunner_RunTask(void (*task)(void *argdata), void *argdata, size_t argsize)
+{
+    argsize = argsize > sizeof(g_taskRunner.argStorage) ? sizeof(g_taskRunner.argStorage) : argsize;
+    LightEvent_Wait(&g_taskRunner.readyEvent);
+    g_taskRunner.task = task;
+    memcpy(g_taskRunner.argStorage, argdata, argsize);
+    LightEvent_Signal(&g_taskRunner.parametersSetEvent);
+}
+
+void TaskRunner_HandleTasks(void *p)
+{
+    (void)p;
+    for (;;) {
+        LightEvent_Signal(&g_taskRunner.readyEvent);
+        LightEvent_Wait(&g_taskRunner.parametersSetEvent);
+        g_taskRunner.task(g_taskRunner.argStorage);
+    }
+}