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  • /*
     * (C) Copyright 2014
     * Texas Instruments Incorporated
     * Refactored common functions in to gpimage-common.c.
     *
     * (C) Copyright 2010
     * Linaro LTD, www.linaro.org
     * Author: John Rigby <john.rigby@linaro.org>
     * Based on TI's signGP.c
     *
     * (C) Copyright 2009
     * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
     *
     * (C) Copyright 2008
     * Marvell Semiconductor <www.marvell.com>
     * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
     *
     * SPDX-License-Identifier:	GPL-2.0+
     */
    
    #include "imagetool.h"
    #include <compiler.h>
    #include <image.h>
    #include "gpheader.h"
    
    /* Helper to convert size and load_addr to big endian */
    void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
    {
    	*gph_size = cpu_to_be32(*gph_size);
    	*gph_load_addr = cpu_to_be32(*gph_load_addr);
    }
    
    int gph_verify_header(struct gp_header *gph, int be)
    {
    
    	uint32_t gph_size = gph->size;
    	uint32_t gph_load_addr = gph->load_addr;
    
    
    	if (be)
    		to_be32(&gph_size, &gph_load_addr);
    
    	if (!gph_size || !gph_load_addr)
    		return -1;
    
    	return 0;
    }
    
    void gph_print_header(const struct gp_header *gph, int be)
    {
    	uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
    
    	if (be)
    		to_be32(&gph_size, &gph_load_addr);
    
    	if (!gph_size) {
    		fprintf(stderr, "Error: invalid image size %x\n", gph_size);
    		exit(EXIT_FAILURE);
    	}
    
    	if (!gph_load_addr) {
    		fprintf(stderr, "Error: invalid image load address %x\n",
    			gph_load_addr);
    		exit(EXIT_FAILURE);
    	}
    	printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
    }
    
    void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
    	int be)
    {
    	gph->size = size;
    	gph->load_addr = load_addr;
    	if (be)
    		to_be32(&gph->size, &gph->load_addr);
    }
    
    int gpimage_check_params(struct image_tool_params *params)
    {
    	return	(params->dflag && (params->fflag || params->lflag)) ||
    		(params->fflag && (params->dflag || params->lflag)) ||
    		(params->lflag && (params->dflag || params->fflag));
    }