rt-thread-official/bsp/qemu-virt64-aarch64/drivers/board.h

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/*
* 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