Minimal device system, implement terminal device and libterminal

init/init.c

@@ -4,6 +4,7 @@
 #include <stddef.h>
 #include <stdint.h>
 #include <string/string.h>
+#include <terminal/terminal.h>
 
 #define MUTEX 2000
 
@@ -31,15 +32,17 @@ void app_main (void) {
 
   letter = 'a';
 
-  process_spawn (&app_proc, (void*)'b');
-  process_spawn (&app_proc, (void*)'c');
-  process_spawn (&app_proc, (void*)'d');
+  /* process_spawn (&app_proc, (void*)'b'); */
+  /* process_spawn (&app_proc, (void*)'c'); */
+  /* process_spawn (&app_proc, (void*)'d'); */
 
   for (;;) {
     mutex_lock (MUTEX);
 
-    for (int i = 0; i < 3; i++)
-      test (letter);
+    for (int i = 0; i < 3; i++) {
+      terminal_print ("hello\n", 6);
+    }
+    /* test (letter); */
 
     mutex_unlock (MUTEX);
   }