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/*
* Copyright (c) 2013-2016 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Private kernel definitions (ARM)
*
* This file contains private kernel function definitions and various
* other definitions for the ARM Cortex-M processor architecture family.
*
* This file is also included by assembly language files which must #define
* _ASMLANGUAGE before including this header file. Note that kernel
* assembly source files obtains structure offset values via "absolute symbols"
* in the offsets.o module.
*/
/* this file is only meant to be included by kernel_structs.h */
#ifndef ZEPHYR_ARCH_ARM_INCLUDE_KERNEL_ARCH_FUNC_H_
#define ZEPHYR_ARCH_ARM_INCLUDE_KERNEL_ARCH_FUNC_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ASMLANGUAGE
extern void z_arm_fault_init(void);
extern void z_arm_cpu_idle_init(void);
#ifdef CONFIG_ARM_MPU
extern void z_arm_configure_static_mpu_regions(void);
extern void z_arm_configure_dynamic_mpu_regions(struct k_thread *thread);
#endif /* CONFIG_ARM_MPU */
static ALWAYS_INLINE void z_arch_kernel_init(void)
{
z_arm_interrupt_stack_setup();
z_arm_exc_setup();
z_arm_fault_init();
z_arm_cpu_idle_init();
z_arm_clear_faults();
}
static ALWAYS_INLINE void
z_arch_thread_return_value_set(struct k_thread *thread, unsigned int value)
{
thread->arch.swap_return_value = value;
}
extern void z_arch_cpu_atomic_idle(unsigned int key);
extern FUNC_NORETURN void z_arm_userspace_enter(k_thread_entry_t user_entry,
void *p1, void *p2, void *p3,
u32_t stack_end,
u32_t stack_start);
extern void z_arm_fatal_error(unsigned int reason, const z_arch_esf_t *esf);
extern void z_arch_switch_to_main_thread(struct k_thread *main_thread,
k_thread_stack_t *main_stack,
size_t main_stack_size,
k_thread_entry_t _main);
#endif /* _ASMLANGUAGE */
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_ARCH_ARM_INCLUDE_KERNEL_ARCH_FUNC_H_ */