1. 根目录:
2. arch
3. metag
4. include
5. asm
6. setup.h

#ifndef _ASM_METAG_SETUP_H
#define _ASM_METAG_SETUP_H

#include <uapi/asm/setup.h>

extern const struct machine_desc *setup_machine_fdt(void *dt);
void per_cpu_trap_init(unsigned long);
extern void __init dump_machine_table(void);
#endif /* _ASM_METAG_SETUP_H */