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删除文件 Port/port_x32/RISC-V32/port_rv32.h
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零中断延迟的RTOS
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/**************************************************************************//**
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* @item CosyOS-III Port
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* @file port_rv32.h
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* @brief RISC-V32 Core Port File
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* @author 迟凯峰
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* @version v3.0.1
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* @date 2026.07.29
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******************************************************************************/
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#ifndef __PORT_RV32_H
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#define __PORT_RV32_H
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/* INCLUDE */
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#include "port_x32.h"
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#include "mcucfg_rv32.h"
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#include SYSCFG_STANDARDHEAD
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#include "os_cmsis.h"
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#include "os_stack.h"
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/* CONST & ATTRIBUTE */
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#define MCUCFG_STACK_ALIGN __ALIGNED(16)
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#define MCUCFG_TASKSTACK_REALLOC __DISABLED__
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#if (MCUCFG_FPU_AUTOSTORE == __ENABLED__)
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#define MCUCFG_CALLEE_PUSH_FPU (32 * MCUCFG_FPUBYTES)
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#else
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#define MCUCFG_CALLEE_PUSH_FPU 0
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#endif
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#if !defined ( __riscv_32e )
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#define MCUCFG_CALLEE_PUSH_REG (32 * MCUCFG_REGBYTES)
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#else
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#define MCUCFG_CALLEE_PUSH_REG (16 * MCUCFG_REGBYTES)
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#endif
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#define MCUCFG_CALLEE_PUSH (MCUCFG_CALLEE_PUSH_FPU + MCUCFG_CALLEE_PUSH_REG)
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#define MCUCFG_BASICSTACKSIZE (MCUCFG_CALLEE_PUSH)
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/* TaskCtrl */
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#define mTaskCtrl_Head_ m_sp_t psp;
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#define mTaskCtrl_Tail_ m_sp_t psp_top;
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/*
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* SysTick
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*/
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#if (MCUCFG_SYSTICK_AUTOCONFIG == __ENABLED__)
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/* 自动配置 */
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#define MCUCFG_SYSTICK_COUNTMODE 2 /*!< 计数方式，2：从重装载值向下计数至零溢出 */
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#define MCUCFG_SYSTICK_LIMITVALUE (1UL << 32) /*!< 极限值 */
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#define MCUCFG_SYSTICK_CURRVALUE *(volatile s_u32_t *)(0xE000F008) /*!< 当前值寄存器 */
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#define MCUCFG_SYSTICK_CLK MCUCFG_SYSCLK
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#define MCUCFG_SYSTICK_COUNT1CYC (SYSCFG_SYSTICK_CYCLE * MCUCFG_SYSTICK_CLK * 1UL)
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#define MCUCFG_SYSTICK_LOADVALUE (MCUCFG_SYSTICK_COUNT1CYC - 1)
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#define MCUCFG_SYSTICK_MAXVALUE MCUCFG_SYSTICK_LOADVALUE
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#define MCUCFG_SYSTICK_MINVALUE 0
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#if (MCUCFG_SYSTICK_COUNT1CYC > MCUCFG_SYSTICK_LIMITVALUE)
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#error 系统滴答定时器溢出。
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#endif
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#define mSysTick_SetLOAD() *(volatile s_u32_t *)(0xE000F010) = MCUCFG_SYSTICK_LOADVALUE
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#define mSysTick_SetCTRL() *(volatile s_u32_t *)(0xE000F000) = 0x3F
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#define mSysTick_INIT() \
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do{ \
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mSysTick_SetPRI(); \
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mSysTick_SetLOAD(); \
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mSysTick_SetCTRL(); \
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}while(false)
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#else
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/* 手动配置 */
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#if (MCUCFG_SYSTICK_COUNTMODE == 1 || MCUCFG_SYSTICK_COUNTMODE == 2)
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#define MCUCFG_SYSTICK_MAXVALUE (MCUCFG_SYSTICK_LOADVALUE)
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#define MCUCFG_SYSTICK_MINVALUE 0
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#define MCUCFG_SYSTICK_COUNT1CYC (MCUCFG_SYSTICK_LOADVALUE + 1UL)
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#elif (MCUCFG_SYSTICK_COUNTMODE == 3 || MCUCFG_SYSTICK_COUNTMODE == 4)
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#define MCUCFG_SYSTICK_LIMITVALUE (1UL << MCUCFG_SYSTICK_BITS)
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#define MCUCFG_SYSTICK_MAXVALUE (MCUCFG_SYSTICK_LIMITVALUE)
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#define MCUCFG_SYSTICK_MINVALUE (MCUCFG_SYSTICK_LOADVALUE)
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#define MCUCFG_SYSTICK_COUNT1CYC (MCUCFG_SYSTICK_MAXVALUE - MCUCFG_SYSTICK_MINVALUE)
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#endif
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#define mSysTick_INIT() mSysTick_SetPRI()
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#endif
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/*
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* SysTick_Handler + PendSV_Handler
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*/
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/* SysTick */
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#define mSysTick_SetPRI() \
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*(volatile s_u8_t *)(0xE000E400 + MCUCFG_TIMn_IRQn) = 0xFF
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/* PendSV */
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#define mPendSV_SetPRI() \
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*(volatile s_u8_t *)(0xE000E400 + MCUCFG_XXXx_IRQn) = 0xFF
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#define mPendSV_Set() \
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*(volatile s_u32_t *)(0xE000E200 + MCUCFG_XXXx_IRQn / 32 * 4) = 0x01UL << (MCUCFG_XXXx_IRQn % 32)
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#define mPendSV_Clear() \
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*(volatile s_u32_t *)(0xE000E280 + MCUCFG_XXXx_IRQn / 32 * 4) = 0x01UL << (MCUCFG_XXXx_IRQn % 32)
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#define mPendSV_INIT() mPendSV_SetPRI()
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/* 内核锁 */
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#define mSysINT_Disable() \
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*(volatile s_u32_t *)(0xE000E180 + MCUCFG_XXXx_IRQn / 32 * 4) = (0x01UL << (MCUCFG_XXXx_IRQn % 32)) \
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| (0x01UL << (MCUCFG_TIMn_IRQn % 32))
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#define mSysINT_Enable() \
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*(volatile s_u32_t *)(0xE000E100 + MCUCFG_XXXx_IRQn / 32 * 4) = (0x01UL << (MCUCFG_XXXx_IRQn % 32)) \
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| (0x01UL << (MCUCFG_TIMn_IRQn % 32))
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__STATIC_FORCEINLINE void __mu_disable_sysirq(void)
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{
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mSysINT_Disable();
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__ASM("fence.i");
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}
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__STATIC_FORCEINLINE void __mu_enable_sysirq(void)
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{
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__ASM("fence rw, rw");
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mSysINT_Enable();
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}
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/* CosyOS初始化 */
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#define mCosyOS_INIT() \
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do{ \
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mPendSV_INIT(); \
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mSysTick_INIT(); \
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}while(false)
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/* CosyOS低功耗 */
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#define mCosyOS_IDLE() __WFI()
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/* 任务栈 */
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#define MCUCFG_TASKSTACK_MODE __PSP__
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#define mTaskStack_Init() \
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do{ \
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node_news->psp_top = (m_sp_t)node_news->bsp + node_news->stacksize; \
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if(node_news->psp_top % 16){ \
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node_news->psp_top /= 16; \
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node_news->psp_top *= 16; \
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node_news->stacksize = node_news->psp_top - (m_sp_t)node_news->bsp; \
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} \
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mTaskStack_CheckInit(); \
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mTaskStack_Reset(); \
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}while(false)
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#define mTaskStack_Reset() \
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do{ \
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node_news->psp = node_news->psp_top; \
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node_news->psp -= MCUCFG_BASICSTACKSIZE; \
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*(volatile s_u32_t *)(node_news->psp + MCUCFG_CALLEE_PUSH_FPU) = (s_u32_t)node_news->entry; /* x0(mepc) */ \
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}while(false)
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/* 栈监控 */
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#if (SYSCFG_DEBUGGING == __ENABLED__)
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#define mTaskStack_Check0() s_task_current->psp_top - __get_SP() + MCUCFG_CALLEE_PUSH_FPU
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#define mTaskStack_Check() s_stack_check((s_u8_t *)(s_task_current->psp_top), s_task_current->stacksize)
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#define mTaskStack_CheckInit() s_stack_check_init((s_u8_t *)(node_news->psp_top), node_news->stacksize)
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#else
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#define mTaskStack_CheckInit()
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#endif
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/* 内存访问屏障 */
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#define __mx_MMB() __ASM("fence rw, rw")
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#endif
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