zephyr/arch/arc/include/kernel_arch_func.h

79 lines
1.6 KiB
C

/*
* Copyright (c) 2014-2016 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Private kernel definitions
*
* This file contains private kernel structures definitions and various
* other definitions for the ARCv2 processor architecture.
*
* 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.
*/
#ifndef _kernel_arch_func__h_
#define _kernel_arch_func__h_
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(_ASMLANGUAGE)
#ifdef CONFIG_CPU_ARCV2
#include <v2/cache.h>
#include <v2/irq.h>
#endif
static ALWAYS_INLINE void kernel_arch_init(void)
{
_irq_setup();
}
static ALWAYS_INLINE void
_set_thread_return_value(struct k_thread *thread, unsigned int value)
{
thread->arch.return_value = value;
}
/**
*
* @brief Indicates the interrupt number of the highest priority
* active interrupt
*
* @return IRQ number
*/
static ALWAYS_INLINE int _INTERRUPT_CAUSE(void)
{
u32_t irq_num = _arc_v2_aux_reg_read(_ARC_V2_ICAUSE);
return irq_num;
}
#define _is_in_isr _arc_v2_irq_unit_is_in_isr
extern void _thread_entry_wrapper(void);
extern void _user_thread_entry_wrapper(void);
static inline void _IntLibInit(void)
{
/* nothing needed, here because the kernel requires it */
}
extern void _arc_userspace_enter(k_thread_entry_t user_entry, void *p1,
void *p2, void *p3, u32_t stack, u32_t size);
#endif /* _ASMLANGUAGE */
#ifdef __cplusplus
}
#endif
#endif /* _kernel_arch_func__h_ */