44 lines
951 B
C
44 lines
951 B
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2013-07-06 Bernard the first version
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*/
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#ifndef __BOARD_H__
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#define __BOARD_H__
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#include <rtconfig.h>
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#include <realview.h>
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#include "vexpress_a9.h"
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#include "mmu.h"
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#ifdef RT_USING_LWP
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#include "ioremap.h"
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#endif
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#if defined(__CC_ARM)
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extern int Image$$RW_IRAM1$$ZI$$Limit;
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#define HEAP_BEGIN ((void*)&Image$$RW_IRAM1$$ZI$$Limit)
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#elif defined(__GNUC__)
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extern int __bss_end;
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#define HEAP_BEGIN ((void*)&__bss_end)
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#endif
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#ifdef RT_USING_USERSPACE
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#define HEAP_END (void*)(KERNEL_VADDR_START + 16 * 1024 * 1024)
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#define PAGE_START HEAP_END
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#define PAGE_END (void*)(KERNEL_VADDR_START + 128 * 1024 * 1024)
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#else
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#define HEAP_END (void*)(0x60000000 + 64 * 1024 * 1024)
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#endif
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void rt_hw_board_init(void);
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extern rt_mmu_info mmu_info;
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#endif
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