1 /* 2 * (C) Copyright 2014 3 * Texas Instruments Incorporated 4 * Refactored common functions in to gpimage-common.c. 5 * 6 * (C) Copyright 2010 7 * Linaro LTD, www.linaro.org 8 * Author: John Rigby <john.rigby@linaro.org> 9 * Based on TI's signGP.c 10 * 11 * (C) Copyright 2009 12 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 13 * 14 * (C) Copyright 2008 15 * Marvell Semiconductor <www.marvell.com> 16 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 17 * 18 * SPDX-License-Identifier: GPL-2.0+ 19 */ 20 21 #include "imagetool.h" 22 #include <compiler.h> 23 #include <image.h> 24 #include "gpheader.h" 25 26 /* Helper to convert size and load_addr to big endian */ 27 void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr) 28 { 29 *gph_size = cpu_to_be32(*gph_size); 30 *gph_load_addr = cpu_to_be32(*gph_load_addr); 31 } 32 33 int gph_verify_header(struct gp_header *gph, int be) 34 { 35 uint32_t gph_size = gph->size; 36 uint32_t gph_load_addr = gph->load_addr; 37 38 if (be) 39 to_be32(&gph_size, &gph_load_addr); 40 41 if (!gph_size || !gph_load_addr) 42 return -1; 43 44 return 0; 45 } 46 47 void gph_print_header(const struct gp_header *gph, int be) 48 { 49 uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr; 50 51 if (be) 52 to_be32(&gph_size, &gph_load_addr); 53 54 if (!gph_size) { 55 fprintf(stderr, "Error: invalid image size %x\n", gph_size); 56 exit(EXIT_FAILURE); 57 } 58 59 if (!gph_load_addr) { 60 fprintf(stderr, "Error: invalid image load address %x\n", 61 gph_load_addr); 62 exit(EXIT_FAILURE); 63 } 64 printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr); 65 } 66 67 void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr, 68 int be) 69 { 70 gph->size = size; 71 gph->load_addr = load_addr; 72 if (be) 73 to_be32(&gph->size, &gph->load_addr); 74 } 75 76 int gpimage_check_params(struct image_tool_params *params) 77 { 78 return (params->dflag && (params->fflag || params->lflag)) || 79 (params->fflag && (params->dflag || params->lflag)) || 80 (params->lflag && (params->dflag || params->fflag)); 81 } 82