79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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#ifndef INCLUDED_OS_PORT_H
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#define INCLUDED_OS_PORT_H
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#ifndef INCLUDED_OS_TYPES_H
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#include <os_types.h>
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#endif /*INCLUDED_OS_TYPES_H*/
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#ifndef INCLUDED_OS_TASK_H
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#include <os_task.h>
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#endif /*INCLUDED_OS_TASK_H*/
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/* ------------------------------------------------------------------------------------------------------------------ */
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/* */
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extern volatile void* g_os_port_switch_from_sp;
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extern volatile void* g_os_port_switch_to_sp;
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extern volatile os_bool_t g_os_port_context_switch_flag;
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/* ------------------------------------------------------------------------------------------------------------------ */
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/* */
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/*
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* 根据 CPU 平台和型号的规定初始化任务栈
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* @param entry - 任务入口
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* @param param - 任务参数
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* @param stack_base - 栈空间起始地址
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* @param stack_size - 栈空间大小
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* @param exit_entry - 任务退出时的返回地址
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*/
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os_stack_t os_port_cpu_stack_init(os_task_entry_t entry, void* param
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, void* stack_base, os_size_t stack_size, void(*exit_entry)(void));
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/*
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* 请求上下文切换
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* @param from_sp - 切换的源头任务栈
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* @param to_sp - 切换的目标任务栈
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*/
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void os_port_context_switch(void* from_sp, void* to_sp);
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/*
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* 发出上下文切换的请求
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*/
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void os_port_send_context_switch_request(void);
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/*
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* 清除上下文切换的请求
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*/
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void os_port_clear_context_switch_request(void);
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/*
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* 任务切换完成后的回调函数，进行清理工作
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*/
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void os_port_on_switch_success(void);
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/* ------------------------------------------------------------------------------------------------------------------ */
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/* 中断管理 */
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void os_port_disable_irq(void);
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void os_port_enable_irq(void);
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os_uint_t os_port_save_disable_irq(void);
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void os_port_restore_irq(os_uint_t level);
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os_uint_t os_port_save_disable_irq_in_isr(void);
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void os_port_restore_irq_in_isr(os_uint_t level);
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/* ------------------------------------------------------------------------------------------------------------------ */
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/* 初始化和启动 */
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void os_port_init(void);
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void os_port_startup(void);
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#endif /*INCLUDED_OS_PORT_H*/
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