zephyr/arch/nios2/include/kernel_arch_func.h

76 lines
1.7 KiB
C

/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Private kernel definitions
*
* This file contains private kernel function/macro definitions and various
* other definitions for the Nios II 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_NIOS2_INCLUDE_KERNEL_ARCH_FUNC_H_
#define ZEPHYR_ARCH_NIOS2_INCLUDE_KERNEL_ARCH_FUNC_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ASMLANGUAGE
void k_cpu_idle(void);
void k_cpu_atomic_idle(unsigned int key);
static ALWAYS_INLINE void kernel_arch_init(void)
{
_kernel.irq_stack =
K_THREAD_STACK_BUFFER(_interrupt_stack) + CONFIG_ISR_STACK_SIZE;
}
static ALWAYS_INLINE void
_set_thread_return_value(struct k_thread *thread, unsigned int value)
{
thread->callee_saved.retval = value;
}
static inline void _IntLibInit(void)
{
/* No special initialization of the interrupt subsystem required */
}
#define _is_in_isr() (_kernel.nested != 0U)
#ifdef CONFIG_IRQ_OFFLOAD
void _irq_do_offload(void);
#endif
#if ALT_CPU_ICACHE_SIZE > 0
void _nios2_icache_flush_all(void);
#else
#define _nios2_icache_flush_all() do { } while (0)
#endif
#if ALT_CPU_DCACHE_SIZE > 0
void _nios2_dcache_flush_all(void);
void _nios2_dcache_flush_no_writeback(void *start, u32_t len);
#else
#define _nios2_dcache_flush_all() do { } while (0)
#define _nios2_dcache_flush_no_writeback(x, y) do { } while (0)
#endif
#endif /* _ASMLANGUAGE */
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_ARCH_NIOS2_INCLUDE_KERNEL_ARCH_FUNC_H_ */