f'd myself over of course, scheduler can now run user programs....

rocklibc/src/rockos/syscall.c

@@ -96,7 +96,7 @@ void * sbrk(intptr_t increment) {
 
     if (increment == 0) {
          return (void *)current_break; 
-    }
+    }                
 
     uint32_t new_break = (uint32_t)((intptr_t)current_break + increment);
     
@@ -109,6 +109,6 @@ void * sbrk(intptr_t increment) {
     return (void *)-1;
 }
 
-void exit(int status) {
+void _exit(int status) {
     _PDCLIB_exit(status);
 }