/**
 * @file tpl_machine.h
 *
 * @section descr File description
 *
 * Trampoline core exported definitions
 *
 * @section copyright Copyright
 *
 * Trampoline OS
 *
 * Trampoline is copyright (c) IRCCyN 2005+
 * Copyright ESEO for function and data structures documentation and ARM port
 * Trampoline is protected by the French intellectual property law.
 *
 * This software is distributed under the Lesser GNU Public Licence
 *
 * @section infos File informations
 *
 * $Date: $
 * $Rev: $
 * $Author: $
 * $URL: $
 */
#ifndef TPL_MACHINE_H
#define TPL_MACHINE_H

#include "../tpl_machine_arm_generic.h"

/**
 * Gives the ARM processor mode the normal user tasks
 * will run into. The value can be :
 * - 0x10 : unprivileged
 * - 0x1F : privileged
 *
 * Warning : this can be overriden by using memory protection
 */
#define USER_TASKS_ARM_MODE 0x1F

typedef struct ARM_CONTEXT *tpl_context;

extern struct ARM_CONTEXT idle_task_context;

/* for APF27 port internal use only */
typedef void (*func_ptr) (void);
extern CONST(func_ptr, OS_CONST) exception_table[4];

/* TODO : This function is called after an ISR2 has been terminated. It should
 *        restore the hardware's cpu priority if it has been increased before
 *        the execution of the ISR2 (see ppc/multicore/tpl_machine.h for an
 *        example).
 */
#define tpl_restore_cpu_priority()

#endif /* TPL_MACHINE_H */