headers/private/kernel/arch/arm/arch_thread.h

   1 /*
   2  * Copyright 2003-2006, 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  *              Johannes Wischert <johanneswi@gmail.com>
   9  */
  10 #ifndef _KERNEL_ARCH_ARM_THREAD_H
  11 #define _KERNEL_ARCH_ARM_THREAD_H
  12
  13 #include <arch/cpu.h>
  14
  15 #ifdef __cplusplus
  16 extern "C" {
  17 #endif
  18
  19 void arm_push_iframe(struct iframe_stack *stack, struct iframe *frame);
  20 void arm_pop_iframe(struct iframe_stack *stack);
  21 struct iframe *arm_get_user_iframe(void);
  22
  23 /* TODO fix this global once we support SMP ARM... */
  24 extern Thread *gCurrentThread;
  25
  26 extern inline Thread *
  27 arch_thread_get_current_thread(void)
  28 {
  29         return gCurrentThread;
  30 }
  31
  32
  33 extern inline void
  34 arch_thread_set_current_thread(Thread *t)
  35 {
  36         gCurrentThread = t;
  37 }
  38
  39 #ifdef __cplusplus
  40 }
  41 #endif
  42
  43
  44 #endif /* _KERNEL_ARCH_ARM_THREAD_H */