1 files changed, 161 insertions, 0 deletions
diff --git a/tools/imagetool.h b/tools/imagetool.h
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+++ b/tools/imagetool.h
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+/*
+ * (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 lflag;
+	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 *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 *);
+	/*
+	 * 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 pbl_load_uboot(int fd, struct image_tool_params *mparams);
+
+#endif /* _IMAGETOOL_H_ */