1/* 2 * Copyright 2003-2011, Haiku Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Axel Dörfler <axeld@pinc-software.de> 7 * Ingo Weinhold <bonefish@cs.tu-berlin.de> 8 */ 9#ifndef _KERNEL_ARCH_PPC_THREAD_H 10#define _KERNEL_ARCH_PPC_THREAD_H 11 12#include <arch/cpu.h> 13 14#ifdef __cplusplus 15extern "C" { 16#endif 17 18void ppc_push_iframe(struct iframe_stack *stack, struct iframe *frame); 19void ppc_pop_iframe(struct iframe_stack *stack); 20struct iframe *ppc_get_user_iframe(void); 21 22 23static inline Thread * 24arch_thread_get_current_thread(void) 25{ 26 Thread *t; 27 asm volatile("mfsprg2 %0" : "=r"(t)); 28 return t; 29} 30 31 32static inline void 33arch_thread_set_current_thread(Thread *t) 34{ 35 asm volatile("mtsprg2 %0" : : "r"(t)); 36} 37 38 39#ifdef __cplusplus 40} 41#endif 42 43 44#endif /* _KERNEL_ARCH_PPC_THREAD_H */ 45