[libcpu/riscv]迁移libcpu/riscv/ch32中文件至bsp (#7004)

libcpu/risc-v/ch32/SConscript

@@ -1,12 +0,0 @@
-# RT-Thread building script for component
-
-from building import *
-
-cwd     = GetCurrentDir()
-src     = Glob('*.c') + Glob('*.cpp') + Glob('*_gcc.S')
-CPPPATH = [cwd]
-ASFLAGS = ' -I ' + cwd
-
-group = DefineGroup('CPU', src, depend = [''], CPPPATH = CPPPATH, ASFLAGS = ASFLAGS)
-
-Return('group')

libcpu/risc-v/ch32/software_irq.c

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2021-09-09     WCH        the first version
- * 2023-01-04     WangShun   Remove redundant files
- */
-#include "rtconfig.h"
-#if defined (SOC_RISCV_SERIES_CH32V1)
-#include "ch32v10x.h"
-#elif defined (SOC_RISCV_SERIES_CH32V2)
-#include "ch32v20x.h"
-#elif defined (SOC_RISCV_SERIES_CH32V3)
-#include "ch32v30x.h"
-#else
-#error "CH32 architecture doesn't support!"
-#endif
-void rt_trigger_software_interrupt(void)
-{
-    /*CH32V103 does not support systick software interrupt*/
-#if defined(SOC_RISCV_SERIES_CH32V1)
-    NVIC_SetPendingIRQ(Software_IRQn);
-#else
-    SysTick->CTLR |= (1 << 31);
-#endif
-}
-
-void rt_hw_do_after_save_above(void)
-{
-    __asm volatile ("li t0,0x20" );
-    __asm volatile ("csrs 0x804, t0");
-    /*CH32V103 does not support systick software interrupt*/
-#if defined(SOC_RISCV_SERIES_CH32V1)
-    NVIC_ClearPendingIRQ(Software_IRQn);
-#else
-    SysTick->CTLR &= ~(1 << 31);
-#endif
-}