1 /*
2 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
3 * Alexander Warg <warg@os.inf.tu-dresden.de>
4 * economic rights: Technische Universität Dresden (Germany)
5 *
6 * This file is part of TUD:OS and distributed under the terms of the
7 * GNU General Public License 2.
8 * Please see the COPYING-GPL-2 file for details.
9 */
10 #pragma once
11
12 inline void
switch_stack(unsigned long stack,void (* func)())13 switch_stack(unsigned long stack, void (*func)())
14 {
15 register unsigned long r0 asm("r0") = 0;
16 asm volatile ( "mov sp, %[stack] \n\t"
17 "mov pc, %[func] \n\t"
18 : : [stack] "r" (stack), [func] "r" (func), "r" (r0)
19 : "memory", "cc");
20 }
21
22