zephyr/arch/arc/include/kernel_arch_func.h

85 lines
1.8 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 ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_FUNC_H_
#define ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_FUNC_H_
#if !defined(_ASMLANGUAGE)
#include <kernel_arch_data.h>
#ifdef CONFIG_ISA_ARCV2
#include <v2/irq.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
static ALWAYS_INLINE void arch_kernel_init(void)
{
z_irq_setup();
}
/**
*
* @brief Indicates the interrupt number of the highest priority
* active interrupt
*
* @return IRQ number
*/
static ALWAYS_INLINE int Z_INTERRUPT_CAUSE(void)
{
uint32_t irq_num = z_arc_v2_aux_reg_read(_ARC_V2_ICAUSE);
return irq_num;
}
static inline bool arch_is_in_isr(void)
{
return z_arc_v2_irq_unit_is_in_isr();
}
extern void z_thread_entry_wrapper(void);
extern void z_user_thread_entry_wrapper(void);
extern void z_arc_userspace_enter(k_thread_entry_t user_entry, void *p1,
void *p2, void *p3, uint32_t stack, uint32_t size,
struct k_thread *thread);
extern void z_arc_fatal_error(unsigned int reason, const z_arch_esf_t *esf);
extern void arch_sched_ipi(void);
extern void z_arc_switch(void *switch_to, void **switched_from);
static inline void arch_switch(void *switch_to, void **switched_from)
{
z_arc_switch(switch_to, switched_from);
}
#ifdef __cplusplus
}
#endif
#endif /* _ASMLANGUAGE */
#endif /* ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_FUNC_H_ */