45 lines
853 B
C
45 lines
853 B
C
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/*
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* Copyright 2003-2006, Haiku Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Axel Dörfler <[email protected]>
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* Ingo Weinhold <[email protected]>
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*/
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#ifndef _KERNEL_ARCH_PPC_THREAD_H
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#define _KERNEL_ARCH_PPC_THREAD_H
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#include <arch/cpu.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void ppc_push_iframe(struct iframe_stack *stack, struct iframe *frame);
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void ppc_pop_iframe(struct iframe_stack *stack);
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struct iframe *ppc_get_user_iframe(void);
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extern inline struct thread *
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arch_thread_get_current_thread(void)
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{
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struct thread *t;
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asm volatile("mfsprg2 %0" : "=r"(t));
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return t;
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}
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extern inline void
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arch_thread_set_current_thread(struct thread *t)
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{
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asm volatile("mtsprg2 %0" : : "r"(t));
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_ARCH_PPC_THREAD_H */
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