49 lines
949 B
C
49 lines
949 B
C
/*
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* Copyright 2002-2005, The Haiku Team. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_ARCH_x86_THREAD_H
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#define _KERNEL_ARCH_x86_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 x86_push_iframe(struct iframe_stack *stack, struct iframe *frame);
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void x86_pop_iframe(struct iframe_stack *stack);
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struct iframe *i386_get_user_iframe(void);
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void *x86_next_page_directory(struct thread *from, struct thread *to);
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void i386_return_from_signal();
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void i386_end_return_from_signal();
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static
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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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read_dr3(t);
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return t;
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}
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static inline void
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arch_thread_set_current_thread(struct thread *t)
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{
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write_dr3(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_x86_THREAD_H */
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