/* * File : board.h * Copyright (c) 2006-2022, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2013-07-06 Bernard the first version */ #ifndef __BOARD_H__ #define __BOARD_H__ #include <virt.h> extern unsigned char __bss_start; extern unsigned char __bss_end; #define HEAP_BEGIN (void *)&__bss_end #ifdef RT_USING_SMART #define HEAP_END (rt_size_t)(KERNEL_VADDR_START + 64 * 1024 * 1024) #define PAGE_START HEAP_END + 1 * 1024 * 1024 #define PAGE_END ((rt_size_t)KERNEL_VADDR_START + 128 * 1024 * 1024) #else #define HEAP_END ((void *)HEAP_BEGIN + 64 * 1024 * 1024) #define KERNEL_VADDR_START 0x40000000 #endif void rt_hw_board_init(void); int rt_hw_uart_init(void); #endif