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 */ 26 void 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 32 int 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 46 void 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 66 void 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 75 int 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