Improve SDL main adding usb drivers

src/main/ps2/SDL_ps2_main.c

@@ -9,6 +9,11 @@
 #include "SDL_main.h"
 #include "SDL_error.h"
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <kernel.h>
 #include <sifrpc.h>
 #include <iopcontrol.h>
 #include <sbv_patches.h>
@@ -21,6 +26,13 @@
 
 static void prepare_IOP()
 {
+    SifInitRpc(0);
+    // #if !defined(DEBUG) || defined(BUILD_FOR_PCSX2)
+    /* Comment this line if you don't wanna debug the output */
+    while(!SifIopReset(NULL, 0)){};
+    // #endif
+
+    while(!SifIopSync()){};
    SifInitRpc(0);
    sbv_patch_enable_lmb();
    sbv_patch_disable_prefix_check();
@@ -29,18 +41,41 @@ static void prepare_IOP()
 static void init_drivers() {
     init_fileXio_driver();
     init_memcard_driver(true);
+    init_usb_driver(true);
 }
 
 static void deinit_drivers() {
+    deinit_usb_driver(true);
     deinit_memcard_driver(true);
     deinit_fileXio_driver();
 }
 
+static void waitUntilDeviceIsReady(char *path)
+{
+   struct stat buffer;
+   int ret = -1;
+   int retries = 50;
+
+   while(ret != 0 && retries > 0)
+   {
+      ret = stat(path, &buffer);
+      /* Wait untill the device is ready */
+      nopdelay();
+
+      retries--;
+   }
+}
+
 int main(int argc, char *argv[])
 {
     int res;
+    char cwd[FILENAME_MAX];
+
     prepare_IOP();
     init_drivers();
+    
+    getcwd(cwd, sizeof(cwd));
+    waitUntilDeviceIsReady(cwd);
 
     res = SDL_main(argc, argv);