more userspace stuff

rocklibc/src/rockos/syscall.c

@@ -1,5 +1,6 @@
 #include <stdint.h>
 #include <stddef.h>
+#include <stdio.h>
 
 typedef int _PDCLIB_fd_t;
 
@@ -14,13 +15,8 @@ static inline int32_t inline_syscall(uint32_t num, uint32_t arg1, uint32_t arg2,
     return ret;
 }
 
-void _exit(int status) {
-    inline_syscall(1, (uint32_t)status, 0, 0);
-    while(1) { asm volatile("hlt"); }
-}
-
 void _PDCLIB_exit(int status) {
-    _exit(status);
+    inline_syscall(1, (uint32_t)status, 0, 0);;
 }
 
 int _PDCLIB_read(_PDCLIB_fd_t fd, void *buf, size_t count) {
@@ -111,4 +107,8 @@ void * sbrk(intptr_t increment) {
     }
 
     return (void *)-1;
+}
+
+void exit(int status) {
+    _PDCLIB_exit(status);
 }