rt-thread/bsp/zynqmp-r5-axu4ev/drivers/board.h

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#ifndef __BOARD_H__
#define __BOARD_H__
#include "zynqmp-r5.h"
#if defined(__CC_ARM)
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define HEAP_BEGIN ((void*)&Image$$RW_IRAM1$$ZI$$Limit)
#elif defined(__GNUC__)
extern int __bss_end;
#define HEAP_BEGIN ((void*)&__bss_end)
#endif
#define HEAP_END (void*)(0x80000000)
void rt_hw_board_init();
#endif