1. 根目录:
2. arch
3. score
4. include
5. asm
6. irq_regs.h

#ifndef _ASM_SCORE_IRQ_REGS_H
#define _ASM_SCORE_IRQ_REGS_H

#include <linux/thread_info.h>

static inline struct pt_regs *get_irq_regs(void)
{
	return current_thread_info()->regs;
}

#endif /* _ASM_SCORE_IRQ_REGS_H */