--- /dev/null
+/*
+ * (C) Copyright 2013
+ *
+ * Written by Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _IMAGETOOL_H_
+#define _IMAGETOOL_H_
+
+#include "os_support.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <unistd.h>
+#include <sha1.h>
+#include "fdt_host.h"
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+#define IH_ARCH_DEFAULT IH_ARCH_INVALID
+
+/*
+ * This structure defines all such variables those are initialized by
+ * mkimage and dumpimage main core and need to be referred by image
+ * type specific functions
+ */
+struct image_tool_params {
+ int dflag;
+ int eflag;
+ int fflag;
+ int iflag;
+ int lflag;
+ int pflag;
+ int vflag;
+ int xflag;
+ int skipcpy;
+ int os;
+ int arch;
+ int type;
+ int comp;
+ char *dtc;
+ unsigned int addr;
+ unsigned int ep;
+ char *imagename;
+ char *imagename2;
+ char *datafile;
+ char *imagefile;
+ char *cmdname;
+ const char *outfile; /* Output filename */
+ const char *keydir; /* Directory holding private keys */
+ const char *keydest; /* Destination .dtb for public key */
+ const char *comment; /* Comment to add to signature node */
+ int require_keys; /* 1 to mark signing keys as 'required' */
+};
+
+/*
+ * 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 image_tool_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 image_tool_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 image_tool_params *);
+ /* Prints image information abstracting from image header */
+ void (*print_header) (const 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 image_tool_params *);
+ /*
+ * This function is used by the command to retrieve a data file from
+ * the image (i.e. dumpimage -i <image> -p <position> <data_file>).
+ * Thus the code to extract a file from an image must be put here.
+ *
+ * Returns 0 if the file was successfully retrieved from the image,
+ * or a negative value on error.
+ */
+ int (*extract_datafile) (void *, struct image_tool_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 image_tool_params *);
+ /*
+ * This callback function will be executed for variable size record
+ * It is expected to build this header in memory and return its length
+ * and a pointer to it by using image_type_params.header_size and
+ * image_type_params.hdr. The return value shall indicate if an
+ * additional padding should be used when copying the data image
+ * by returning the padding length.
+ */
+ int (*vrec_header) (struct image_tool_params *,
+ struct image_type_params *);
+ /* pointer to the next registered entry in linked list */
+ struct image_type_params *next;
+};
+
+/*
+ * Tool registration function.
+ */
+typedef void (*imagetool_register_t)(struct image_type_params *);
+
+/*
+ * Initializes all image types with the given registration callback
+ * function.
+ * An image tool uses this function to initialize all image types.
+ */
+void register_image_tool(imagetool_register_t image_register);
+
+/*
+ * Register a image type within a tool.
+ * An image type uses this function to register itself within
+ * all tools.
+ */
+void register_image_type(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_xxx_type() is the only function referred by image tool 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_pbl_image_type(void);
+void init_ais_image_type(void);
+void init_kwb_image_type(void);
+void init_imx_image_type(void);
+void init_mxs_image_type(void);
+void init_fit_image_type(void);
+void init_ubl_image_type(void);
+void init_omap_image_type(void);
+void init_gpimage_type(void);
+
+void pbl_load_uboot(int fd, struct image_tool_params *mparams);
+
+#endif /* _IMAGETOOL_H_ */
Code Review / kvmfornfv.git / blobdiff