| /* |
| * 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> |
| |
| #include <v2/irq.h> |
| |
| #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); |
| } |
| |
| #if !defined(CONFIG_MULTITHREADING) |
| extern FUNC_NORETURN void z_arc_switch_to_main_no_multithreading( |
| k_thread_entry_t main_func, void *p1, void *p2, void *p3); |
| |
| #define ARCH_SWITCH_TO_MAIN_NO_MULTITHREADING \ |
| z_arc_switch_to_main_no_multithreading |
| |
| #endif /* !CONFIG_MULTITHREADING */ |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _ASMLANGUAGE */ |
| |
| #endif /* ZEPHYR_ARCH_ARC_INCLUDE_KERNEL_ARCH_FUNC_H_ */ |