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tools/ublimage.c
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * (C) Copyright 2011 * Heiko Schocher, DENX Software Engineering, hs@denx.de. * * Based on: * (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> |
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*/ |
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#include "imagetool.h" |
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#include <image.h> #include "ublimage.h" /* * Supported commands for configuration file */ static table_entry_t ublimage_cmds[] = { {CMD_BOOT_MODE, "MODE", "UBL special modes", }, {CMD_ENTRY, "ENTRY", "Entry point addr for bootloader", }, {CMD_PAGE, "PAGES", "number of pages (size of bootloader)", }, {CMD_ST_BLOCK, "START_BLOCK", "block number where bootloader is present", }, {CMD_ST_PAGE, "START_PAGE", "page number where bootloader is present", }, {CMD_LD_ADDR, "LD_ADDR", "load addr", }, {-1, "", "", }, }; /* * Supported Boot options for configuration file * this is needed to set the correct flash offset */ static table_entry_t ublimage_bootops[] = { {UBL_MAGIC_SAFE, "safe", "Safe boot mode", }, {-1, "", "Invalid", }, }; static struct ubl_header ublimage_header; static uint32_t get_cfg_value(char *token, char *name, int linenr) { char *endptr; uint32_t value; errno = 0; value = strtoul(token, &endptr, 16); if (errno || (token == endptr)) { fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s) ", name, linenr, token); exit(EXIT_FAILURE); } return value; } static void print_hdr(struct ubl_header *ubl_hdr) { printf("Image Type : Davinci UBL Boot Image "); printf("UBL magic : %08x ", ubl_hdr->magic); printf("Entry Point: %08x ", ubl_hdr->entry); printf("nr of pages: %08x ", ubl_hdr->pages); printf("start block: %08x ", ubl_hdr->block); printf("start page : %08x ", ubl_hdr->page); } static void parse_cfg_cmd(struct ubl_header *ublhdr, int32_t cmd, char *token, char *name, int lineno, int fld, int dcd_len) { static int cmd_ver_first = ~0; switch (cmd) { case CMD_BOOT_MODE: ublhdr->magic = get_table_entry_id(ublimage_bootops, "ublimage special boot mode", token); if (ublhdr->magic == -1) { fprintf(stderr, "Error: %s[%d] -Invalid boot mode" "(%s) ", name, lineno, token); exit(EXIT_FAILURE); } ublhdr->magic += UBL_MAGIC_BASE; if (unlikely(cmd_ver_first != 1)) cmd_ver_first = 0; break; case CMD_ENTRY: ublhdr->entry = get_cfg_value(token, name, lineno); break; case CMD_PAGE: ublhdr->pages = get_cfg_value(token, name, lineno); break; case CMD_ST_BLOCK: ublhdr->block = get_cfg_value(token, name, lineno); break; case CMD_ST_PAGE: ublhdr->page = get_cfg_value(token, name, lineno); break; case CMD_LD_ADDR: ublhdr->pll_m = get_cfg_value(token, name, lineno); break; } } static void parse_cfg_fld(struct ubl_header *ublhdr, int32_t *cmd, char *token, char *name, int lineno, int fld, int *dcd_len) { switch (fld) { case CFG_COMMAND: *cmd = get_table_entry_id(ublimage_cmds, "ublimage commands", token); if (*cmd < 0) { fprintf(stderr, "Error: %s[%d] - Invalid command" "(%s) ", name, lineno, token); exit(EXIT_FAILURE); } break; case CFG_REG_VALUE: parse_cfg_cmd(ublhdr, *cmd, token, name, lineno, fld, *dcd_len); break; default: break; } } static uint32_t parse_cfg_file(struct ubl_header *ublhdr, char *name) { FILE *fd = NULL; char *line = NULL; char *token, *saveptr1, *saveptr2; int lineno = 0; int i; char *ptr = (char *)ublhdr; int fld; size_t len; int dcd_len = 0; int32_t cmd; int ublhdrlen = sizeof(struct ubl_header); fd = fopen(name, "r"); if (fd == 0) { fprintf(stderr, "Error: %s - Can't open DCD file ", name); exit(EXIT_FAILURE); } /* Fill header with 0xff */ for (i = 0; i < ublhdrlen; i++) { *ptr = 0xff; ptr++; } /* * Very simple parsing, line starting with # are comments * and are dropped */ while ((getline(&line, &len, fd)) > 0) { lineno++; token = strtok_r(line, "\r ", &saveptr1); if (token == NULL) continue; /* Check inside the single line */ for (fld = CFG_COMMAND, cmd = CMD_INVALID, line = token; ; line = NULL, fld++) { token = strtok_r(line, " \t", &saveptr2); if (token == NULL) break; /* Drop all text starting with '#' as comments */ if (token[0] == '#') break; parse_cfg_fld(ublhdr, &cmd, token, name, lineno, fld, &dcd_len); } } fclose(fd); return dcd_len; } static int ublimage_check_image_types(uint8_t type) { if (type == IH_TYPE_UBLIMAGE) return EXIT_SUCCESS; else return EXIT_FAILURE; } static int ublimage_verify_header(unsigned char *ptr, int image_size, |
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struct image_tool_params *params) |
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{ |
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struct ubl_header *ubl_hdr = (struct ubl_header *)ptr; if ((ubl_hdr->magic & 0xFFFFFF00) != UBL_MAGIC_BASE) return -1; |
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return 0; } static void ublimage_print_header(const void *ptr) { struct ubl_header *ubl_hdr = (struct ubl_header *) ptr; print_hdr(ubl_hdr); } static void ublimage_set_header(void *ptr, struct stat *sbuf, int ifd, |
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struct image_tool_params *params) |
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{ struct ubl_header *ublhdr = (struct ubl_header *)ptr; /* Parse configuration file */ parse_cfg_file(ublhdr, params->imagename); } |
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int ublimage_check_params(struct image_tool_params *params) |
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{ if (!params) return CFG_INVALID; if (!strlen(params->imagename)) { fprintf(stderr, "Error: %s - Configuration file not" "specified, it is needed for ublimage generation ", params->cmdname); return CFG_INVALID; } /* * Check parameters: * XIP is not allowed and verify that incompatible * parameters are not sent at the same time * For example, if list is required a data image must not be provided */ return (params->dflag && (params->fflag || params->lflag)) || (params->fflag && (params->dflag || params->lflag)) || (params->lflag && (params->dflag || params->fflag)) || (params->xflag) || !(strlen(params->imagename)); } /* * ublimage parameters */ |
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U_BOOT_IMAGE_TYPE( ublimage, "Davinci UBL boot support", sizeof(struct ubl_header), (void *)&ublimage_header, ublimage_check_params, ublimage_verify_header, ublimage_print_header, ublimage_set_header, NULL, ublimage_check_image_types, NULL, NULL ); |