Add custom pm sysmodule

sysmodules/pm/source/pmdbg.c

@@ -0,0 +1,41 @@
+#include <3ds.h>
+#include <string.h>
+#include "launch.h"
+#include "util.h"
+
+void pmDbgHandleCommands(void *ctx)
+{
+    (void)ctx;
+    u32 *cmdbuf = getThreadCommandBuffer();
+    u32 cmdhdr = cmdbuf[0];
+
+    FS_ProgramInfo programInfo;
+    Handle debug;
+
+    switch (cmdhdr >> 16) {
+        case 1:
+            debug = 0;
+            memcpy(&programInfo, cmdbuf + 1, sizeof(FS_ProgramInfo));
+            cmdbuf[1] = LaunchAppDebug(&debug, &programInfo, cmdbuf[5]);
+            cmdbuf[0] = IPC_MakeHeader(1, 1, 2);
+            cmdbuf[2] = IPC_Desc_MoveHandles(1);
+            cmdbuf[3] = debug;
+            break;
+        case 2:
+            memcpy(&programInfo, cmdbuf + 1, sizeof(FS_ProgramInfo));
+            cmdbuf[1] = LaunchApp(&programInfo, cmdbuf[5]);
+            cmdbuf[0] = IPC_MakeHeader(2, 1, 0);
+            break;
+        case 3:
+            debug = 0;
+            cmdbuf[1] = RunQueuedProcess(&debug);
+            cmdbuf[0] = IPC_MakeHeader(3, 1, 2);
+            cmdbuf[2] = IPC_Desc_MoveHandles(1);
+            cmdbuf[3] = debug;
+            break;
+        default:
+            cmdbuf[0] = IPC_MakeHeader(0, 1, 0);
+            cmdbuf[1] = 0xD900182F;
+            break;
+    }
+}