From 3e14c632b3b9c39d27693f2538f377fb52de193a Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 4 Dec 2019 22:15:27 +0100
Subject: Fully working syscall interface

---
 src/userspace/main.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

(limited to 'src/userspace/main.c')

diff --git a/src/userspace/main.c b/src/userspace/main.c
index 5df961f..f7cd3ba 100644
--- a/src/userspace/main.c
+++ b/src/userspace/main.c
@@ -1,15 +1,9 @@
-void write(const char *str, int len)
-{
-    int ret;
-    asm volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \
-                : "=a" (ret) \
-                : "0" (1), "b" ((int) (str)), "c"((int) (len)));
-}
+#include <syscall.h>
 
 void user_main()
 {
-    const char hello[] = "Switched to usermode!\n";
-    write(hello, sizeof(hello));
+    const char hello[] = "> Successfully to usermode!\n";
+    syscall_write(0, hello, sizeof(hello));
 
     while (1) {};
 }
\ No newline at end of file
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