LXR uboot/tools/gpimage-common.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2014
   4 * Texas Instruments Incorporated
   5 * Refactored common functions in to gpimage-common.c.
   6 *
   7 * (C) Copyright 2010
   8 * Linaro LTD, www.linaro.org
   9 * Author: John Rigby <john.rigby@linaro.org>
  10 * Based on TI's signGP.c
  11 *
  12 * (C) Copyright 2009
  13 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
  14 *
  15 * (C) Copyright 2008
  16 * Marvell Semiconductor <www.marvell.com>
  17 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  18 */
  19
  20#include "imagetool.h"
  21#include <compiler.h>
  22#include <image.h>
  23#include "gpheader.h"
  24
  25/* Helper to convert size and load_addr to big endian */
  26void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
  27{
  28        *gph_size = cpu_to_be32(*gph_size);
  29        *gph_load_addr = cpu_to_be32(*gph_load_addr);
  30}
  31
  32int gph_verify_header(struct gp_header *gph, int be)
  33{
  34        uint32_t gph_size = gph->size;
  35        uint32_t gph_load_addr = gph->load_addr;
  36
  37        if (be)
  38                to_be32(&gph_size, &gph_load_addr);
  39
  40        if (!gph_size || !gph_load_addr)
  41                return -1;
  42
  43        return 0;
  44}
  45
  46void gph_print_header(const struct gp_header *gph, int be)
  47{
  48        uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
  49
  50        if (be)
  51                to_be32(&gph_size, &gph_load_addr);
  52
  53        if (!gph_size) {
  54                fprintf(stderr, "Error: invalid image size %x\n", gph_size);
  55                exit(EXIT_FAILURE);
  56        }
  57
  58        if (!gph_load_addr) {
  59                fprintf(stderr, "Error: invalid image load address %x\n",
  60                        gph_load_addr);
  61                exit(EXIT_FAILURE);
  62        }
  63        printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
  64}
  65
  66void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
  67        int be)
  68{
  69        gph->size = size;
  70        gph->load_addr = load_addr;
  71        if (be)
  72                to_be32(&gph->size, &gph->load_addr);
  73}
  74
  75int gpimage_check_params(struct image_tool_params *params)
  76{
  77        return  (params->dflag && (params->fflag || params->lflag)) ||
  78                (params->fflag && (params->dflag || params->lflag)) ||
  79                (params->lflag && (params->dflag || params->fflag));
  80}
  81