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78dde7abd7
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37011 a95241bf-73f2-0310-859d-f6bbb57e9c96
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/*
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* Copyright 2002-2009, 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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struct iframe *i386_get_user_iframe(void);
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struct iframe *i386_get_current_iframe(void);
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struct iframe *i386_get_thread_user_iframe(struct thread *thread);
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uint32 x86_next_page_directory(struct thread *from, struct thread *to);
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void x86_restart_syscall(struct iframe* frame);
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void i386_return_from_signal();
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void i386_end_return_from_signal();
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// override empty macro
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#undef arch_syscall_64_bit_return_value
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void arch_syscall_64_bit_return_value(void);
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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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