/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2021-01-30 lizhirui first version */ #include #include #include #include "board.h" #include "tick.h" #include "drv_uart.h" #include "encoding.h" #include "stack.h" #include "sbi.h" #include "riscv.h" #include "stack.h" #include "riscv_io.h" #include "plic.h" #include "interrupt.h" void primary_cpu_entry(void) { extern void entry(void); /* disable global interrupt */ rt_memset(&__bss_start, 0x0, (rt_uint8_t*)&__bss_end - (rt_uint8_t*)&__bss_start); rt_hw_interrupt_disable(); entry(); } void rt_hw_board_init(void) { /* initalize interrupt */ rt_hw_interrupt_init(); /* initialize hardware interrupt */ rt_hw_uart_init(); #ifdef RT_USING_HEAP /* initialize memory system */ rt_system_heap_init(RT_HW_HEAP_BEGIN, RT_HW_HEAP_END); #endif #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE) /* set console device */ rt_console_set_device("uart"); #endif rt_hw_tick_init(); rt_kprintf("heap: [0x%08x - 0x%08x]\n", (rt_ubase_t) RT_HW_HEAP_BEGIN, (rt_ubase_t) RT_HW_HEAP_END); #ifdef RT_USING_COMPONENTS_INIT rt_components_board_init(); #endif } void rt_hw_cpu_reset(void) { sbi_shutdown(); while(1); } MSH_CMD_EXPORT_ALIAS(rt_hw_cpu_reset, reboot, reset machine);