forked from xuos/xiuos
87 lines
2.4 KiB
C
Executable File
87 lines
2.4 KiB
C
Executable File
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file board.c
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* @brief support rvstar init configure and start-up
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-09-02
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*/
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#include <board.h>
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#include <xizi.h>
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#include <device.h>
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#include <nuclei_sdk_soc.h>
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// #include <gd32vf103.h>
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#include <core_feature_timer.h>
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extern void entry(void);
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extern int InitHwUart();
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#ifndef configKERNEL_INTERRUPT_PRIORITY
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#define configKERNEL_INTERRUPT_PRIORITY 0
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#endif
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void xPortTaskSwitch(void)
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{
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/* Clear Software IRQ, A MUST */
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SysTimer_ClearSWIRQ();
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isrManager.done->setSwitchTrigerFlag();
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}
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void vPortSetupTimerInterrupt(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, configKERNEL_INTERRUPT_PRIORITY);
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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, configKERNEL_INTERRUPT_PRIORITY);
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ECLIC_EnableIRQ(SysTimerSW_IRQn);
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}
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void Gd32vf103Start(void)
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{
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entry();
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}
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void InitBoardHardware(void)
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{
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vPortSetupTimerInterrupt();
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InitBoardMemory(MEMORY_START_ADDRESS, MEMORY_END_ADDRESS);
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InitHwUart();
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InstallConsole("uart4", "uart4_drv", "uart4_dev4");
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KPrintf("console init completed.\n");
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KPrintf("board initialization......\n");
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// InitHwTick();
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KPrintf("memory address range: [0x%08x - 0x%08x], size: %d\n", (x_ubase) MEMORY_START_ADDRESS, (x_ubase) MEMORY_END_ADDRESS, gd32vf103_SRAM_SIZE);
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/* initialize memory system */
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KPrintf("board init done.\n");
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KPrintf("start kernel...\n");
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return;
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}
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