b9e4fcfc68
整合libcpu/riscv中的移植文件 提供一份公共代码于common 在提交本pr时，除hpmicro的内核，rv32内核bsp已完成去除大部分的冗余，大部分代码采用common中的实现。本pr的作用是进一步统一common中的文件，从而提供一份公用代码，新移植的RV32内核的BSP可以全部使用common代码。 - 在common中提供一份公用文件：interrupt_gcc.S - 修改原有的文件，将原有的中断中上下文切换代码替换为interrupt_gcc.S - 基于上述修改，修改仓库中risc-v内核的BSP与移植相关的部分 (主要包含中断入口函数 中断栈等) - 在common中提供一份公用文件：trap_common.c；提供统一中断入口函数，中断入口函数初始化，中断入口注册等函数，并完善异常时的信息输出 - 在common中提供一份公用文件：rt_hw_stack_frame.h；将栈帧结构体剥离，供用户使用 - 在上述工作完成后，在上述工作的基础上测试仓库中risc-v内核的BSP - 完善函数中的命名，完善中断栈的获取 - 提供一份详细的基于现有common文件的移植指南 #### 在什么测试环境下测试通过 - 1.CH32V307V-R1-R0 - 2.CH32V208W-R0-1V4 - 3.HPM6750EVKMINI - 4.GD32VF103V-EVAL - 5.qemu(CORE-V-MCU ) > 与上述开发板使用同样芯片的BSP均测试通过 在CH32V307V-R1-R0与HPM6750EVKMINI上基于现有移植文件进行多线程复杂场景下的长时间测试，测试过程系统运行正常。
202 lines
4.1 KiB
C
202 lines
4.1 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-04-02 hqfang first version
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*
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "board.h"
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#define SYSTICK_TICK_CONST (SOC_TIMER_FREQ / RT_TICK_PER_SECOND)
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#define RT_KERNEL_INTERRUPT_LEVEL 1
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#ifdef RT_USING_SERIAL
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#include <drv_usart.h>
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#endif
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/** _end symbol defined in linker script of Nuclei SDK */
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extern void *_end;
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/** _heap_end symbol defined in linker script of Nuclei SDK */
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extern void *_heap_end;
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#define HEAP_BEGIN &_end
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#define HEAP_END &_heap_end
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/*
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* - Implemented and defined in Nuclei SDK system_<Device>.c file
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* - Required macro NUCLEI_BANNER set to 0
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*/
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extern void _init(void);
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/*
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* - Check MCU pin assignment here https://doc.nucleisys.com/nuclei_board_labs/hw/hw.html
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* - If you changed menuconfig to use different peripherals such as SPI, ADC, GPIO,
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* HWTIMER, I2C, PWM, UART, WDT, RTC, please add or change related pinmux configuration
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* code in functions(rt_hw_*_drvinit) below
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*/
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void rt_hw_spi_drvinit(void)
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{
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}
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void rt_hw_adc_drvinit(void)
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{
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}
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void rt_hw_gpio_drvinit(void)
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{
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// Clock on all the GPIOs and AF
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rcu_periph_clock_enable(RCU_GPIOA);
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rcu_periph_clock_enable(RCU_GPIOB);
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rcu_periph_clock_enable(RCU_GPIOC);
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rcu_periph_clock_enable(RCU_GPIOD);
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rcu_periph_clock_enable(RCU_GPIOE);
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rcu_periph_clock_enable(RCU_AF);
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}
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void rt_hw_hwtimer_drvinit(void)
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{
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}
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void rt_hw_i2c_drvinit(void)
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{
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}
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void rt_hw_pwm_drvinit(void)
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{
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}
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void rt_hw_rtc_drvinit(void)
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{
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}
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void rt_hw_uart_drvinit(void)
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{
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/* Notice: Debug UART4 GPIO pins are already initialized in nuclei_sdk */
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}
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void rt_hw_wdt_drvinit(void)
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{
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}
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void rt_hw_drivers_init(void)
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{
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#ifdef RT_USING_PIN
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rt_hw_gpio_drvinit();
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#endif
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#ifdef BSP_USING_UART
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rt_hw_uart_drvinit();
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#endif
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#ifdef BSP_USING_SPI
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rt_hw_spi_drvinit();
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#endif
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#ifdef BSP_USING_I2C
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rt_hw_i2c_drvinit();
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#endif
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#ifdef BSP_USING_ADC
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rt_hw_adc_drvinit();
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#endif
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#ifdef BSP_USING_WDT
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rt_hw_wdt_drvinit();
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#endif
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#ifdef BSP_USING_RTC
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rt_hw_rtc_drvinit();
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#endif
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#ifdef BSP_USING_HWTIMER
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rt_hw_hwtimer_drvinit();
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#endif
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#ifdef BSP_USING_PWM
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rt_hw_pwm_drvinit();
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#endif
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}
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rt_weak void rt_hw_ticksetup(void)
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{
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uint64_t ticks = SYSTICK_TICK_CONST;
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/* Make SWI and SysTick the lowest priority interrupts. */
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/* Stop and clear the SysTimer. SysTimer as Non-Vector Interrupt */
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SysTick_Config(ticks);
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ECLIC_DisableIRQ(SysTimer_IRQn);
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ECLIC_SetLevelIRQ(SysTimer_IRQn, RT_KERNEL_INTERRUPT_LEVEL);
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ECLIC_SetShvIRQ(SysTimer_IRQn, ECLIC_NON_VECTOR_INTERRUPT);
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ECLIC_EnableIRQ(SysTimer_IRQn);
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/* Set SWI interrupt level to lowest level/priority, SysTimerSW as Vector Interrupt */
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ECLIC_SetShvIRQ(SysTimerSW_IRQn, ECLIC_VECTOR_INTERRUPT);
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ECLIC_SetLevelIRQ(SysTimerSW_IRQn, RT_KERNEL_INTERRUPT_LEVEL);
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ECLIC_EnableIRQ(SysTimerSW_IRQn);
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}
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#define SysTick_Handler eclic_mtip_handler
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/**
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* @brief This is the timer interrupt service routine.
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*
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*/
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void SysTick_Handler(void)
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{
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/* Reload systimer */
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SysTick_Reload(SYSTICK_TICK_CONST);
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/* enter interrupt */
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rt_interrupt_enter();
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/* tick increase */
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rt_tick_increase();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/**
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* @brief Setup hardware board for rt-thread
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*
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*/
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void rt_hw_board_init(void)
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{
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/* OS Tick Configuration */
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rt_hw_ticksetup();
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#ifdef RT_USING_HEAP
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rt_system_heap_init((void *) HEAP_BEGIN, (void *) HEAP_END);
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#endif
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_init(); // __libc_init_array is not used in RT-Thread
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/* Board hardware drivers initialization */
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rt_hw_drivers_init();
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/* USART driver initialization is open by default */
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#ifdef RT_USING_SERIAL
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rt_hw_usart_init();
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#endif
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/* Set the shell console output device */
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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/* Board underlying hardware initialization */
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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}
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/******************** end of file *******************/
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