img_header.h

Boot code for ADM5120 with serial console for Edimax router.

/*****************************************************************************
;
;   (C) Unpublished Work of ADMtek Incorporated.  All Rights Reserved.
;
;       THIS WORK IS AN UNPUBLISHED WORK AND CONTAINS CONFIDENTIAL,
;       PROPRIETARY AND TRADESECRET INFORMATION OF ADMTEK INCORPORATED.
;       ACCESS TO THIS WORK IS RESTRICTED TO (I) ADMTEK EMPLOYEES WHO HAVE A
;       NEED TO KNOW TO PERFORM TASKS WITHIN THE SCOPE OF THEIR ASSIGNMENTS
;       AND (II) ENTITIES OTHER THAN ADMTEK WHO HAVE ENTERED INTO APPROPRIATE
;       LICENSE AGREEMENTS.  NO PART OF THIS WORK MAY BE USED, PRACTICED,
;       PERFORMED, COPIED, DISTRIBUTED, REVISED, MODIFIED, TRANSLATED,
;       ABBRIDGED, CONDENSED, EXPANDED, COLLECTED, COMPILED, LINKED, RECAST,
;       TRANSFORMED OR ADAPTED WITHOUT THE PRIOR WRITTEN CONSENT OF ADMTEK.
;       ANY USE OR EXPLOITATION OF THIS WORK WITHOUT AUTHORIZATION COULD
;       SUBJECT THE PERPERTRATOR TO CRIMINAL AND CIVIL LIABILITY.
;
;------------------------------------------------------------------------------
;
;    Project : Common plateform
;    Creator : 
;    File    : img_header.h
;    Abstract: define the data structure for the file image.c
;
;
;Modification History:
;       By              Date     Ver.   Modification Description
;       --------------- -------- -----  --------------------------------------
;
;*****************************************************************************/
#if __cplusplus
extern "C" {
#endif


#ifndef IMG_HEADER_H
#define IMG_HEADER_H

typedef enum _march
{
	_unknown = 0,
	_armv4,
	_mips32,
	_march_limit
} march_t;

enum IMAGE_TYPE_ID_E
{
    ILLEGAL_IMAGE_TYPE,
    BOOT_IMAGE_TYPE,
    RUNTIME_IMAGE_TYPE,
    NV_IMAGE_TYPE,
    MAX_LOADER_TYPE
};

#define FILE_CORRUPT            0x80


#define SKIP_HEADER_OFFSET      4

#define ARM_BRANCH_OPCODE			0xEA000000
#define ARM_BRANCH_OPCODE_MASK		0xFF000000
#define ARM_BRANCH_OFFSET_MASK		0xFFFFFF
// #define SKIP_HEADER             0xea000006

#define MIPS_BRANCH_OPCODE			0x10000000
#define MIPS_BRANCH_OPCODE_MASK		0xFFFF0000
#define MIPS_BRANCH_OFFSET_MASK		0xFFFF

#define VENDOR_ID               ADMTEK
#define PRODUCT_ID              1
#define HEADER_VER              "002"


typedef struct
{   
    unsigned long   start0;
    unsigned long   start1;			
    march_t			arch_id;
    char            version[4];  
    unsigned long   type;
    unsigned long   comp_file_len;
    unsigned long   comp_file_sum;
    unsigned long   header_sum;
}
IMAGE_HEADER;


#define IMGVFY_IGNORE_COOKIE		0x1
#define IMGVFY_IGNORE_SIG			0x2

//<< WORKSPACE_INFO
#define COMPANY_NAME     "ADMtek Inc."
#define MODEL_NAME       "renaissance"
//>> WORKSPACE_INFO

/******************************
  Function declaration
 ******************************/
int image_verify (char *buf, int *type, int flags);
int imagefile_verify(char *pFilename, int *ilen, int *type, int flags);
int img_head(char *head, int headlen, int type, char *img, int imglen);
int img_cookie(char *cookie, int cookielen);
int img_headlen(char *img);
int imgfile_headlen(const char *fname);

/**************************************************************
  Added from Edimax code in AP/goahead-2.1.1/LINUX/apmib.h
 **************************************************************/
typedef struct img_header {
	unsigned char signature[4] __attribute__((packed));
	unsigned long startAddr __attribute__((packed));
	unsigned long len __attribute__((packed));
} IMG_HEADER_T, *IMG_HEADER_Tp;

#endif /* IMG_HEADER_H */

#if __cplusplus
}
#endif