diff options
Diffstat (limited to 'tools/mkimage.h')
| -rw-r--r-- | tools/mkimage.h | 101 |
1 files changed, 100 insertions, 1 deletions
diff --git a/tools/mkimage.h b/tools/mkimage.h index c077dc9..120970f 100644 --- a/tools/mkimage.h +++ b/tools/mkimage.h @@ -19,6 +19,9 @@ * MA 02111-1307 USA */ +#ifndef _MKIIMAGE_H_ +#define _MKIIMAGE_H_ + #include "os_support.h" #include <errno.h> #include <fcntl.h> @@ -31,7 +34,7 @@ #include <sha1.h> #include "fdt_host.h" -#define MKIMAGE_DEBUG +#undef MKIMAGE_DEBUG #ifdef MKIMAGE_DEBUG #define debug(fmt,args...) printf (fmt ,##args) @@ -44,3 +47,99 @@ #define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500" #define MKIMAGE_MAX_DTC_CMDLINE_LEN 512 #define MKIMAGE_DTC "dtc" /* assume dtc is in $PATH */ + +/* + * This structure defines all such variables those are initialized by + * mkimage main core and need to be referred by image type specific + * functions + */ +struct mkimage_params { + int dflag; + int eflag; + int fflag; + int lflag; + int vflag; + int xflag; + int os; + int arch; + int type; + int comp; + char *dtc; + unsigned int addr; + unsigned int ep; + char *imagename; + char *datafile; + char *imagefile; + char *cmdname; +}; + +/* + * image type specific variables and callback functions + */ +struct image_type_params { + /* name is an identification tag string for added support */ + char *name; + /* + * header size is local to the specific image type to be supported, + * mkimage core treats this as number of bytes + */ + uint32_t header_size; + /* Image type header pointer */ + void *hdr; + /* + * There are several arguments that are passed on the command line + * and are registered as flags in mkimage_params structure. + * This callback function can be used to check the passed arguments + * are in-lined with the image type to be supported + * + * Returns 1 if parameter check is successful + */ + int (*check_params) (struct mkimage_params *); + /* + * This function is used by list command (i.e. mkimage -l <filename>) + * image type verification code must be put here + * + * Returns 0 if image header verification is successful + * otherwise, returns respective negative error codes + */ + int (*verify_header) (unsigned char *, int, struct mkimage_params *); + /* Prints image information abstracting from image header */ + void (*print_header) (void *); + /* + * The header or image contents need to be set as per image type to + * be generated using this callback function. + * further output file post processing (for ex. checksum calculation, + * padding bytes etc..) can also be done in this callback function. + */ + void (*set_header) (void *, struct stat *, int, + struct mkimage_params *); + /* + * Some image generation support for ex (default image type) supports + * more than one type_ids, this callback function is used to check + * whether input (-T <image_type>) is supported by registered image + * generation/list low level code + */ + int (*check_image_type) (uint8_t); + /* This callback function will be executed if fflag is defined */ + int (*fflag_handle) (struct mkimage_params *); + /* pointer to the next registered entry in linked list */ + struct image_type_params *next; +}; + +/* + * Exported functions + */ +void mkimage_register (struct image_type_params *tparams); + +/* + * There is a c file associated with supported image type low level code + * for ex. default_image.c, fit_image.c + * init is the only function referred by mkimage core. + * to avoid a single lined header file, you can define them here + * + * Supported image types init functions + */ +void init_default_image_type (void); +void init_fit_image_type (void); + +#endif /* _MKIIMAGE_H_ */ |