1 /**
2  * \file
3  * \brief Spinning for amd64
4  */
5 /*
6  * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
7  *               Torsten Frenzel <frenzel@os.inf.tu-dresden.de>
8  *     economic rights: Technische Universität Dresden (Germany)
9  * This file is part of TUD:OS and distributed under the terms of the
10  * GNU Lesser General Public License 2.1.
11  * Please see the COPYING-LGPL-2.1 file for details.
12  */
13 #ifndef __l4util_spin_h
14 #define __l4util_spin_h
15 
16 #include <l4/sys/compiler.h>
17 
18 EXTERN_C_BEGIN
19 
20 L4_CV void l4_spin(int x,int y);
21 L4_CV void l4_spin_vga(int x,int y);
22 L4_CV void l4_spin_n_text(int x, int y, int len, const char*s);
23 L4_CV void l4_spin_n_text_vga(int x, int y, int len, const char*s);
24 
25 /****************************************************************************
26 *                                                                           *
27 * spin_text()     - spinning wheel at the hercules screen. The given text   *
28 *                   must be a text constant, no variables or arrays. Its    *
29 *                   size is determined with the sizeof operator, it's much  *
30 *                   faster than the strlen function.                        *
31 * spin_text_vga() - same for vga.                                           *
32 *                                                                           *
33 ****************************************************************************/
34 #define l4_spin_text(x, y, text) \
35 	l4_spin_n_text((x), (y), sizeof(text)-1, "" text)
36 #define l4_spin_text_vga(x, y, text) \
37 	l4_spin_n_text_vga((x), (y), sizeof(text)-1, "" text)
38 
39 EXTERN_C_END
40 
41 #endif
42