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bootloader/u-boot_2015_04/tools/gpimage-common.c 1.89 KB
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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
  ", gph_size);
  		exit(EXIT_FAILURE);
  	}
  
  	if (!gph_load_addr) {
  		fprintf(stderr, "Error: invalid image load address %x
  ",
  			gph_load_addr);
  		exit(EXIT_FAILURE);
  	}
  	printf("GP Header: Size %x LoadAddr %x
  ", 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));
  }