90 lines
1.9 KiB
C
90 lines
1.9 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)
|
|
|
|
#ifdef CONFIG_CPU_ARCV2
|
|
#include <v2/cache.h>
|
|
#include <v2/irq.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
static ALWAYS_INLINE _cpu_t *z_arch_curr_cpu(void)
|
|
{
|
|
#ifdef CONFIG_SMP
|
|
u32_t core;
|
|
|
|
core = z_arc_v2_core_id();
|
|
|
|
return &_kernel.cpus[core];
|
|
#else
|
|
return &_kernel.cpus[0];
|
|
#endif
|
|
}
|
|
|
|
static ALWAYS_INLINE void kernel_arch_init(void)
|
|
{
|
|
z_irq_setup();
|
|
_current_cpu->irq_stack =
|
|
Z_THREAD_STACK_BUFFER(_interrupt_stack) + CONFIG_ISR_STACK_SIZE;
|
|
}
|
|
|
|
|
|
/**
|
|
*
|
|
* @brief Indicates the interrupt number of the highest priority
|
|
* active interrupt
|
|
*
|
|
* @return IRQ number
|
|
*/
|
|
static ALWAYS_INLINE int Z_INTERRUPT_CAUSE(void)
|
|
{
|
|
u32_t irq_num = z_arc_v2_aux_reg_read(_ARC_V2_ICAUSE);
|
|
|
|
return irq_num;
|
|
}
|
|
|
|
#define z_is_in_isr 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, u32_t stack, u32_t size);
|
|
|
|
|
|
extern void z_arch_switch(void *switch_to, void **switched_from);
|
|
extern void z_arc_fatal_error(unsigned int reason, const z_arch_esf_t *esf);
|
|
|
|
extern void z_arch_sched_ipi(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASMLANGUAGE */
|
|
|
|
#endif /* ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_FUNC_H_ */
|