xref: /haiku/headers/private/kernel/arch/riscv64/arch_thread.h (revision 13581b3d2a71545960b98fefebc5225b5bf29072)
1 /*
2  * Copyright 2003-2019, Haiku, Inc. All rights reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  * 		Ingo Weinhold <bonefish@cs.tu-berlin.de>
7  *		Jonas Sundström <jonas@kirilla.com>
8  */
9 #ifndef _KERNEL_ARCH_RISCV64_THREAD_H
10 #define _KERNEL_ARCH_RISCV64_THREAD_H
11 
12 #include <arch/cpu.h>
13 
14 #ifdef __cplusplus
15 extern "C" {
16 #endif
17 
18 
19 static inline Thread*
20 arch_thread_get_current_thread(void)
21 {
22 	Thread* t;
23 	asm volatile("mv %0, tp" : "=r" (t));
24 	return t;
25 }
26 
27 
28 static inline void
29 arch_thread_set_current_thread(Thread* t)
30 {
31 	asm volatile("mv tp, %0" : : "r" (t));
32 }
33 
34 
35 #ifdef __cplusplus
36 }
37 #endif
38 
39 
40 #endif /* _KERNEL_ARCH_RISCV64_THREAD_H */
41