1. 根目录:
2. arch
3. m32r
4. include
5. asm
6. setup.h

#ifndef _ASM_M32R_SETUP_H
#define _ASM_M32R_SETUP_H

#include <uapi/asm/setup.h>


#define PARAM			((unsigned char *)empty_zero_page)

#define MOUNT_ROOT_RDONLY	(*(unsigned long *) (PARAM+0x000))
#define RAMDISK_FLAGS		(*(unsigned long *) (PARAM+0x004))
#define ORIG_ROOT_DEV		(*(unsigned long *) (PARAM+0x008))
#define LOADER_TYPE		(*(unsigned long *) (PARAM+0x00c))
#define INITRD_START		(*(unsigned long *) (PARAM+0x010))
#define INITRD_SIZE		(*(unsigned long *) (PARAM+0x014))

#define M32R_CPUCLK		(*(unsigned long *) (PARAM+0x018))
#define M32R_BUSCLK		(*(unsigned long *) (PARAM+0x01c))
#define M32R_TIMER_DIVIDE	(*(unsigned long *) (PARAM+0x020))

#define COMMAND_LINE		((char *) (PARAM+0x100))

#define SCREEN_INFO		(*(struct screen_info *) (PARAM+0x200))

#define RAMDISK_IMAGE_START_MASK	(0x07FF)
#define RAMDISK_PROMPT_FLAG		(0x8000)
#define RAMDISK_LOAD_FLAG		(0x4000)

extern unsigned long memory_start;
extern unsigned long memory_end;

#endif /* _ASM_M32R_SETUP_H */