1 /*
2 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>
3 * economic rights: Technische Universität Dresden (Germany)
4 *
5 * This file is part of TUD:OS and distributed under the terms of the
6 * GNU General Public License 2.
7 * Please see the COPYING-GPL-2 file for details.
8 */
9 #pragma once
10
11 inline void
switch_stack(unsigned long stack,void (* func)())12 switch_stack(unsigned long stack, void (*func)())
13 {
14 // register unsigned long r3 asm("r3") = 0;
15 asm volatile ( "mr %%r1, %[stack] \n\t"
16 "mtctr %[func] \n\t"
17 "bctr \n\t"
18 : : [stack] "r" (stack), [func] "r" (func) //, "r" (r3)
19 : "memory", "ctr");
20 }
21
22