1 /* 2 * Copyright (c) 2016 Intel Corporation 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** 8 * @file 9 * @brief Private kernel definitions 10 * 11 * This file contains private kernel function/macro definitions and various 12 * other definitions for the Nios II processor architecture. 13 * 14 * This file is also included by assembly language files which must #define 15 * _ASMLANGUAGE before including this header file. Note that kernel 16 * assembly source files obtains structure offset values via "absolute 17 * symbols" in the offsets.o module. 18 */ 19 20 #ifndef ZEPHYR_ARCH_NIOS2_INCLUDE_KERNEL_ARCH_FUNC_H_ 21 #define ZEPHYR_ARCH_NIOS2_INCLUDE_KERNEL_ARCH_FUNC_H_ 22 23 #include <kernel_arch_data.h> 24 25 #include <zephyr/platform/hooks.h> 26 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 #ifndef _ASMLANGUAGE 32 arch_kernel_init(void)33static ALWAYS_INLINE void arch_kernel_init(void) 34 { 35 #ifdef CONFIG_SOC_PER_CORE_INIT_HOOK 36 soc_per_core_init_hook(); 37 #endif /* CONFIG_SOC_PER_CORE_INIT_HOOK */ 38 } 39 40 static ALWAYS_INLINE void arch_thread_return_value_set(struct k_thread * thread,unsigned int value)41arch_thread_return_value_set(struct k_thread *thread, unsigned int value) 42 { 43 thread->callee_saved.retval = value; 44 } 45 46 FUNC_NORETURN void z_nios2_fatal_error(unsigned int reason, 47 const struct arch_esf *esf); 48 arch_is_in_isr(void)49static inline bool arch_is_in_isr(void) 50 { 51 return _kernel.cpus[0].nested != 0U; 52 } 53 54 int arch_swap(unsigned int key); 55 56 #ifdef CONFIG_IRQ_OFFLOAD 57 void z_irq_do_offload(void); 58 #endif 59 60 #if ALT_CPU_ICACHE_SIZE > 0 61 void z_nios2_icache_flush_all(void); 62 #else 63 #define z_nios2_icache_flush_all() do { } while (false) 64 #endif 65 66 #if ALT_CPU_DCACHE_SIZE > 0 67 void z_nios2_dcache_flush_all(void); 68 void z_nios2_dcache_flush_no_writeback(void *start, uint32_t len); 69 #else 70 #define z_nios2_dcache_flush_all() do { } while (false) 71 #define z_nios2_dcache_flush_no_writeback(x, y) do { } while (false) 72 #endif 73 74 #endif /* _ASMLANGUAGE */ 75 76 #ifdef __cplusplus 77 } 78 #endif 79 80 #endif /* ZEPHYR_ARCH_NIOS2_INCLUDE_KERNEL_ARCH_FUNC_H_ */ 81
