linux和2410结合开发 用他可以生成2410所需的zImage文件

				#ifndef _BLK_H				#define _BLK_H								#include 				#include 				#include 				#include 								/*				 * Spinlock for protecting the request queue which				 * is mucked around with in interrupts on potentially				 * multiple CPU's..				 */				extern spinlock_t io_request_lock;								/*				 * Initialization functions.				 */				extern int isp16_init(void);				extern int cdu31a_init(void);				extern int acsi_init(void);				extern int mcd_init(void);				extern int mcdx_init(void);				extern int sbpcd_init(void);				extern int aztcd_init(void);				extern int sony535_init(void);				extern int gscd_init(void);				extern int cm206_init(void);				extern int optcd_init(void);				extern int sjcd_init(void);				extern int cdi_init(void);				extern int hd_init(void);				extern int ide_init(void);				extern int xd_init(void);				extern int mfm_init(void);				extern int loop_init(void);				extern int md_init(void);				extern int ap_init(void);				extern int ddv_init(void);				extern int z2_init(void);				extern int swim3_init(void);				extern int swimiop_init(void);				extern int amiga_floppy_init(void);				extern int atari_floppy_init(void);				extern int ez_init(void);				extern int bpcd_init(void);				extern int ps2esdi_init(void);				extern int jsfd_init(void);				extern int viodasd_init(void);				extern int viocd_init(void);								#if defined(CONFIG_ARCH_S390)				extern int dasd_init(void);				extern int xpram_init(void);				extern int tapeblock_init(void);				#endif /* CONFIG_ARCH_S390 */								extern void set_device_ro(kdev_t dev,int flag);				void add_blkdev_randomness(int major);								extern int floppy_init(void);				extern void rd_load(void);				extern int rd_init(void);				extern int rd_doload;		/* 1 = load ramdisk, 0 = don't load */				extern int rd_prompt;		/* 1 = prompt for ramdisk, 0 = don't prompt */				extern int rd_image_start;	/* starting block # of image */								#ifdef CONFIG_BLK_DEV_INITRD								#define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */								extern unsigned long initrd_start,initrd_end;				extern int mount_initrd; /* zero if initrd should not be mounted */				extern int initrd_below_start_ok; /* 1 if it is not an error if initrd_start < memory_start */				void initrd_init(void);								#endif										 				/*				 * end_request() and friends. Must be called with the request queue spinlock				 * acquired. All functions called within end_request() _must_be_ atomic.				 *				 * Several drivers define their own end_request and call				 * end_that_request_first() and end_that_request_last()				 * for parts of the original function. This prevents				 * code duplication in drivers.				 */								static inline void blkdev_dequeue_request(struct request * req)				{					list_del(&req->queue);				}								int end_that_request_first(struct request *req, int uptodate, char *name);				void end_that_request_last(struct request *req);								#if defined(MAJOR_NR) || defined(IDE_DRIVER)								#undef DEVICE_ON				#undef DEVICE_OFF								/*				 * Add entries as needed.				 */								#ifdef IDE_DRIVER								#define DEVICE_NR(device)	(MINOR(device) >> PARTN_BITS)				#define DEVICE_NAME "ide"								#elif (MAJOR_NR == RAMDISK_MAJOR)								/* ram disk */				#define DEVICE_NAME "ramdisk"				#define DEVICE_NR(device) (MINOR(device))				#define DEVICE_NO_RANDOM								#elif (MAJOR_NR == Z2RAM_MAJOR)								/* Zorro II Ram */				#define DEVICE_NAME "Z2RAM"				#define DEVICE_REQUEST do_z2_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == FLOPPY_MAJOR)								static void floppy_off(unsigned int nr);								#define DEVICE_NAME "floppy"				#define DEVICE_INTR do_floppy				#define DEVICE_REQUEST do_fd_request				#define DEVICE_NR(device) ( (MINOR(device) & 3) | ((MINOR(device) & 0x80 ) >> 5 ))				#define DEVICE_OFF(device) floppy_off(DEVICE_NR(device))								#elif (MAJOR_NR == HD_MAJOR)								/* Hard disk:  timeout is 6 seconds. */				#define DEVICE_NAME "hard disk"				#define DEVICE_INTR do_hd				#define TIMEOUT_VALUE (6*HZ)				#define DEVICE_REQUEST do_hd_request				#define DEVICE_NR(device) (MINOR(device)>>6)								#elif (SCSI_DISK_MAJOR(MAJOR_NR))								#define DEVICE_NAME "scsidisk"				#define TIMEOUT_VALUE (2*HZ)				#define DEVICE_NR(device) (((MAJOR(device) & SD_MAJOR_MASK) > 4))								/* Kludge to use the same number for both char and block major numbers */				#elif  (MAJOR_NR == MD_MAJOR) && defined(MD_DRIVER)								#define DEVICE_NAME "Multiple devices driver"				#define DEVICE_REQUEST do_md_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == SCSI_TAPE_MAJOR)								#define DEVICE_NAME "scsitape"				#define DEVICE_INTR do_st  				#define DEVICE_NR(device) (MINOR(device) & 0x7f)								#elif (MAJOR_NR == OSST_MAJOR)								#define DEVICE_NAME "onstream" 				#define DEVICE_INTR do_osst				#define DEVICE_NR(device) (MINOR(device) & 0x7f) 				#define DEVICE_ON(device) 				#define DEVICE_OFF(device) 								#elif (MAJOR_NR == SCSI_CDROM_MAJOR)								#define DEVICE_NAME "CD-ROM"				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == XT_DISK_MAJOR)								#define DEVICE_NAME "xt disk"				#define DEVICE_REQUEST do_xd_request				#define DEVICE_NR(device) (MINOR(device) >> 6)								#elif (MAJOR_NR == PS2ESDI_MAJOR)								#define DEVICE_NAME "PS/2 ESDI"				#define DEVICE_REQUEST do_ps2esdi_request				#define DEVICE_NR(device) (MINOR(device) >> 6)								#elif (MAJOR_NR == CDU31A_CDROM_MAJOR)								#define DEVICE_NAME "CDU31A"				#define DEVICE_REQUEST do_cdu31a_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == ACSI_MAJOR) && (defined(CONFIG_ATARI_ACSI) || defined(CONFIG_ATARI_ACSI_MODULE))								#define DEVICE_NAME "ACSI"				#define DEVICE_INTR do_acsi				#define DEVICE_REQUEST do_acsi_request				#define DEVICE_NR(device) (MINOR(device) >> 4)								#elif (MAJOR_NR == MITSUMI_CDROM_MAJOR)								#define DEVICE_NAME "Mitsumi CD-ROM"				/* #define DEVICE_INTR do_mcd */				#define DEVICE_REQUEST do_mcd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == MITSUMI_X_CDROM_MAJOR)								#define DEVICE_NAME "Mitsumi CD-ROM"				/* #define DEVICE_INTR do_mcdx */				#define DEVICE_REQUEST do_mcdx_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == MATSUSHITA_CDROM_MAJOR)								#define DEVICE_NAME "Matsushita CD-ROM controller #1"				#define DEVICE_REQUEST do_sbpcd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == MATSUSHITA_CDROM2_MAJOR)								#define DEVICE_NAME "Matsushita CD-ROM controller #2"				#define DEVICE_REQUEST do_sbpcd2_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == MATSUSHITA_CDROM3_MAJOR)								#define DEVICE_NAME "Matsushita CD-ROM controller #3"				#define DEVICE_REQUEST do_sbpcd3_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == MATSUSHITA_CDROM4_MAJOR)								#define DEVICE_NAME "Matsushita CD-ROM controller #4"				#define DEVICE_REQUEST do_sbpcd4_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == AZTECH_CDROM_MAJOR)								#define DEVICE_NAME "Aztech CD-ROM"				#define DEVICE_REQUEST do_aztcd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == CDU535_CDROM_MAJOR)								#define DEVICE_NAME "SONY-CDU535"				#define DEVICE_INTR do_cdu535				#define DEVICE_REQUEST do_cdu535_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == GOLDSTAR_CDROM_MAJOR)								#define DEVICE_NAME "Goldstar R420"				#define DEVICE_REQUEST do_gscd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == CM206_CDROM_MAJOR)				#define DEVICE_NAME "Philips/LMS CD-ROM cm206"				#define DEVICE_REQUEST do_cm206_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == OPTICS_CDROM_MAJOR)								#define DEVICE_NAME "DOLPHIN 8000AT CD-ROM"				#define DEVICE_REQUEST do_optcd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == SANYO_CDROM_MAJOR)								#define DEVICE_NAME "Sanyo H94A CD-ROM"				#define DEVICE_REQUEST do_sjcd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == APBLOCK_MAJOR)								#define DEVICE_NAME "apblock"				#define DEVICE_REQUEST ap_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == DDV_MAJOR)								#define DEVICE_NAME "ddv"				#define DEVICE_REQUEST ddv_request				#define DEVICE_NR(device) (MINOR(device)>>PARTN_BITS)								#elif (MAJOR_NR == MFM_ACORN_MAJOR)								#define DEVICE_NAME "mfm disk"				#define DEVICE_INTR do_mfm				#define DEVICE_REQUEST do_mfm_request				#define DEVICE_NR(device) (MINOR(device) >> 6)								#elif (MAJOR_NR == NBD_MAJOR)								#define DEVICE_NAME "nbd"				#define DEVICE_REQUEST do_nbd_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == MDISK_MAJOR)								#define DEVICE_NAME "mdisk"				#define DEVICE_REQUEST mdisk_request				#define DEVICE_NR(device) (MINOR(device))								#elif (MAJOR_NR == DASD_MAJOR)								#define DEVICE_NAME "dasd"				#define DEVICE_REQUEST do_dasd_request				#define DEVICE_NR(device) (MINOR(device) >> PARTN_BITS)								#elif (MAJOR_NR == I2O_MAJOR)								#define DEVICE_NAME "I2O block"				#define DEVICE_REQUEST i2ob_request				#define DEVICE_NR(device) (MINOR(device)>>4)								#elif (MAJOR_NR == COMPAQ_SMART2_MAJOR)								#define DEVICE_NAME "ida"				#define TIMEOUT_VALUE (25*HZ)				#define DEVICE_REQUEST do_ida_request				#define DEVICE_NR(device) (MINOR(device) >> 4)								#endif /* MAJOR_NR == whatever */								/* provide DEVICE_xxx defaults, if not explicitly defined				 * above in the MAJOR_NR==xxx if-elif tree */				#ifndef DEVICE_ON				#define DEVICE_ON(device) do {} while (0)				#endif				#ifndef DEVICE_OFF				#define DEVICE_OFF(device) do {} while (0)				#endif								#if (MAJOR_NR != SCSI_TAPE_MAJOR) && (MAJOR_NR != OSST_MAJOR)				#if !defined(IDE_DRIVER)								#ifndef CURRENT				#define CURRENT blkdev_entry_next_request(&blk_dev[MAJOR_NR].request_queue.queue_head)				#endif				#ifndef QUEUE_EMPTY				#define QUEUE_EMPTY list_empty(&blk_dev[MAJOR_NR].request_queue.queue_head)				#endif								#ifndef DEVICE_NAME				#define DEVICE_NAME "unknown"				#endif								#define CURRENT_DEV DEVICE_NR(CURRENT->rq_dev)								#ifdef DEVICE_INTR				static void (*DEVICE_INTR)(void) = NULL;				#endif								#define SET_INTR(x) (DEVICE_INTR = (x))								#ifdef DEVICE_REQUEST				static void (DEVICE_REQUEST)(request_queue_t *);				#endif 				  				#ifdef DEVICE_INTR				#define CLEAR_INTR SET_INTR(NULL)				#else				#define CLEAR_INTR				#endif								#define INIT_REQUEST \					if (QUEUE_EMPTY) {\						CLEAR_INTR; \						return; \					} \					if (MAJOR(CURRENT->rq_dev) != MAJOR_NR) \						panic(DEVICE_NAME ": request list destroyed"); \					if (CURRENT->bh) { \						if (!buffer_locked(CURRENT->bh)) \							panic(DEVICE_NAME ": block not locked"); \					}								#endif /* !defined(IDE_DRIVER) */												#ifndef LOCAL_END_REQUEST	/* If we have our own end_request, we do not want to include this mess */								#if ! SCSI_BLK_MAJOR(MAJOR_NR) && (MAJOR_NR != COMPAQ_SMART2_MAJOR)								static inline void end_request(int uptodate) {					struct request *req = CURRENT;									if (end_that_request_first(req, uptodate, DEVICE_NAME))						return;								#ifndef DEVICE_NO_RANDOM					add_blkdev_randomness(MAJOR(req->rq_dev));				#endif					DEVICE_OFF(req->rq_dev);					blkdev_dequeue_request(req);					end_that_request_last(req);				}								#endif /* ! SCSI_BLK_MAJOR(MAJOR_NR) */				#endif /* LOCAL_END_REQUEST */								#endif /* (MAJOR_NR != SCSI_TAPE_MAJOR) */				#endif /* defined(MAJOR_NR) || defined(IDE_DRIVER) */								#endif /* _BLK_H */