1. 根目录:
2. arch
3. microblaze
4. include
5. asm
6. syscalls.h

#ifndef __ASM_MICROBLAZE_SYSCALLS_H

asmlinkage long microblaze_vfork(struct pt_regs *regs);
asmlinkage long microblaze_clone(int flags, unsigned long stack,
							struct pt_regs *regs);
asmlinkage long microblaze_execve(const char __user *filenamei,
				  const char __user *const __user *argv,
				  const char __user *const __user *envp,
				  struct pt_regs *regs);

asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
#define sys_clone sys_clone

#include <asm-generic/syscalls.h>

#endif /* __ASM_MICROBLAZE_SYSCALLS_H */