| /* |
| * (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> |
| * |
| * Copyright (C) 2014 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include "imagetool.h" |
| #include <image.h> |
| #include "imximage.h" |
| |
| #define UNDEFINED 0xFFFFFFFF |
| |
| /* |
| * Supported commands for configuration file |
| */ |
| static table_entry_t imximage_cmds[] = { |
| {CMD_BOOT_FROM, "BOOT_FROM", "boot command", }, |
| {CMD_BOOT_OFFSET, "BOOT_OFFSET", "Boot offset", }, |
| {CMD_DATA, "DATA", "Reg Write Data", }, |
| {CMD_CSF, "CSF", "Command Sequence File", }, |
| {CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", }, |
| #ifdef CONFIG_USE_PLUGIN |
| {CMD_PLUGIN, "PLUGIN", "file plugin_addr", }, |
| #endif |
| {-1, "", "", }, |
| }; |
| |
| /* |
| * Supported Boot options for configuration file |
| * this is needed to set the correct flash offset |
| */ |
| static table_entry_t imximage_boot_offset[] = { |
| {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",}, |
| {FLASH_OFFSET_NAND, "nand", "NAND Flash", }, |
| {FLASH_OFFSET_NOR, "nor", "NOR Flash", }, |
| {FLASH_OFFSET_SATA, "sata", "SATA Disk", }, |
| {FLASH_OFFSET_SD, "sd", "SD Card", }, |
| {FLASH_OFFSET_SPI, "spi", "SPI Flash", }, |
| {FLASH_OFFSET_QSPI, "qspi", "QSPI Flash", }, |
| {-1, "", "Invalid", }, |
| }; |
| |
| /* |
| * Supported Boot options for configuration file |
| * this is needed to determine the initial load size |
| */ |
| static table_entry_t imximage_boot_loadsize[] = { |
| {FLASH_LOADSIZE_ONENAND, "onenand", "OneNAND Flash",}, |
| {FLASH_LOADSIZE_NAND, "nand", "NAND Flash", }, |
| {FLASH_LOADSIZE_NOR, "nor", "NOR Flash", }, |
| {FLASH_LOADSIZE_SATA, "sata", "SATA Disk", }, |
| {FLASH_LOADSIZE_SD, "sd", "SD Card", }, |
| {FLASH_LOADSIZE_SPI, "spi", "SPI Flash", }, |
| {FLASH_LOADSIZE_QSPI, "qspi", "QSPI Flash", }, |
| {-1, "", "Invalid", }, |
| }; |
| |
| /* |
| * IMXIMAGE version definition for i.MX chips |
| */ |
| static table_entry_t imximage_versions[] = { |
| {IMXIMAGE_V1, "", " (i.MX25/35/51 compatible)", }, |
| {IMXIMAGE_V2, "", " (i.MX53/6 compatible)", }, |
| {-1, "", " (Invalid)", }, |
| }; |
| |
| static struct imx_header imximage_header; |
| static uint32_t imximage_version; |
| /* |
| * Image Vector Table Offset |
| * Initialized to a wrong not 4-bytes aligned address to |
| * check if it is was set by the cfg file. |
| */ |
| static uint32_t imximage_ivt_offset = UNDEFINED; |
| static uint32_t imximage_csf_size = UNDEFINED; |
| /* Initial Load Region Size */ |
| static uint32_t imximage_init_loadsize; |
| static uint32_t imximage_iram_free_start; |
| static uint32_t imximage_plugin_size; |
| |
| static set_dcd_val_t set_dcd_val; |
| static set_dcd_rst_t set_dcd_rst; |
| static set_imx_hdr_t set_imx_hdr; |
| static uint32_t max_dcd_entries; |
| static uint32_t *header_size_ptr; |
| static uint32_t *csf_ptr; |
| |
| 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)\n", |
| name, linenr, token); |
| exit(EXIT_FAILURE); |
| } |
| return value; |
| } |
| |
| static uint32_t detect_imximage_version(struct imx_header *imx_hdr) |
| { |
| imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; |
| imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; |
| flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; |
| flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; |
| |
| /* Try to detect V1 */ |
| if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) && |
| (hdr_v1->dcd_table.preamble.barker == DCD_BARKER)) |
| return IMXIMAGE_V1; |
| |
| /* Try to detect V2 */ |
| if ((fhdr_v2->header.tag == IVT_HEADER_TAG) && |
| (hdr_v2->data.dcd_table.header.tag == DCD_HEADER_TAG)) |
| return IMXIMAGE_V2; |
| |
| if ((fhdr_v2->header.tag == IVT_HEADER_TAG) && |
| hdr_v2->boot_data.plugin) |
| return IMXIMAGE_V2; |
| |
| return IMXIMAGE_VER_INVALID; |
| } |
| |
| static void err_imximage_version(int version) |
| { |
| fprintf(stderr, |
| "Error: Unsupported imximage version:%d\n", version); |
| |
| exit(EXIT_FAILURE); |
| } |
| |
| static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno, |
| int fld, uint32_t value, uint32_t off) |
| { |
| dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; |
| |
| switch (fld) { |
| case CFG_REG_SIZE: |
| /* Byte, halfword, word */ |
| if ((value != 1) && (value != 2) && (value != 4)) { |
| fprintf(stderr, "Error: %s[%d] - " |
| "Invalid register size " "(%d)\n", |
| name, lineno, value); |
| exit(EXIT_FAILURE); |
| } |
| dcd_v1->addr_data[off].type = value; |
| break; |
| case CFG_REG_ADDRESS: |
| dcd_v1->addr_data[off].addr = value; |
| break; |
| case CFG_REG_VALUE: |
| dcd_v1->addr_data[off].value = value; |
| break; |
| default: |
| break; |
| |
| } |
| } |
| |
| static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno, |
| int fld, uint32_t value, uint32_t off) |
| { |
| dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table; |
| |
| switch (fld) { |
| case CFG_REG_ADDRESS: |
| dcd_v2->addr_data[off].addr = cpu_to_be32(value); |
| break; |
| case CFG_REG_VALUE: |
| dcd_v2->addr_data[off].value = cpu_to_be32(value); |
| break; |
| default: |
| break; |
| |
| } |
| } |
| |
| /* |
| * Complete setting up the rest field of DCD of V1 |
| * such as barker code and DCD data length. |
| */ |
| static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len, |
| char *name, int lineno) |
| { |
| dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; |
| |
| dcd_v1->preamble.barker = DCD_BARKER; |
| dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); |
| } |
| |
| /* |
| * Complete setting up the reset field of DCD of V2 |
| * such as DCD tag, version, length, etc. |
| */ |
| static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len, |
| char *name, int lineno) |
| { |
| if (!imxhdr->header.hdr_v2.boot_data.plugin) { |
| dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table; |
| |
| dcd_v2->header.tag = DCD_HEADER_TAG; |
| dcd_v2->header.length = cpu_to_be16( |
| dcd_len * sizeof(dcd_addr_data_t) + 8); |
| dcd_v2->header.version = DCD_VERSION; |
| dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG; |
| dcd_v2->write_dcd_command.length = cpu_to_be16( |
| dcd_len * sizeof(dcd_addr_data_t) + 4); |
| dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM; |
| } |
| } |
| |
| static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, |
| uint32_t entry_point, uint32_t flash_offset) |
| { |
| imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1; |
| flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; |
| dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; |
| uint32_t hdr_base; |
| uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr) |
| - ((char *)imxhdr)); |
| |
| /* Set magic number */ |
| fhdr_v1->app_code_barker = APP_CODE_BARKER; |
| |
| /* TODO: check i.MX image V1 handling, for now use 'old' style */ |
| hdr_base = entry_point - 4096; |
| fhdr_v1->app_dest_ptr = hdr_base - flash_offset; |
| fhdr_v1->app_code_jump_vector = entry_point; |
| |
| fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr); |
| fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table); |
| |
| /* Security feature are not supported */ |
| fhdr_v1->app_code_csf = 0; |
| fhdr_v1->super_root_key = 0; |
| header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4); |
| } |
| |
| static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, |
| uint32_t entry_point, uint32_t flash_offset) |
| { |
| imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; |
| flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; |
| uint32_t hdr_base; |
| |
| /* Set magic number */ |
| fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ |
| fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t)); |
| fhdr_v2->header.version = IVT_VERSION; /* 0x40 */ |
| |
| if (!hdr_v2->boot_data.plugin) { |
| fhdr_v2->entry = entry_point; |
| fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; |
| hdr_base = entry_point - imximage_init_loadsize + |
| flash_offset; |
| fhdr_v2->self = hdr_base; |
| fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, data); |
| fhdr_v2->boot_data_ptr = hdr_base |
| + offsetof(imx_header_v2_t, boot_data); |
| hdr_v2->boot_data.start = entry_point - imximage_init_loadsize; |
| |
| fhdr_v2->csf = 0; |
| |
| header_size_ptr = &hdr_v2->boot_data.size; |
| csf_ptr = &fhdr_v2->csf; |
| } else { |
| imx_header_v2_t *next_hdr_v2; |
| flash_header_v2_t *next_fhdr_v2; |
| |
| if(imximage_csf_size != 0) { |
| fprintf(stderr, "Error: Header v2: SECURE_BOOT" |
| "is only supported in DCD mode!"); |
| exit(EXIT_FAILURE); |
| } |
| |
| fhdr_v2->entry = imximage_iram_free_start + |
| flash_offset + sizeof(flash_header_v2_t) + |
| sizeof(boot_data_t); |
| |
| fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; |
| fhdr_v2->self = imximage_iram_free_start + flash_offset; |
| |
| fhdr_v2->dcd_ptr = 0; |
| |
| fhdr_v2->boot_data_ptr = fhdr_v2->self + |
| offsetof(imx_header_v2_t, boot_data); |
| |
| hdr_v2->boot_data.start = imximage_iram_free_start; |
| /* |
| * The actural size of plugin image is "imximage_plugin_size + |
| * sizeof(flash_header_v2_t) + sizeof(boot_data_t)", plus the |
| * flash_offset space.The ROM code only need to copy this size |
| * to run the plugin code. However, later when copy the whole |
| * U-Boot image to DDR, the ROM code use memcpy to copy the |
| * first part of the image, and use the storage read function |
| * to get the remaining part. This requires the dividing point |
| * must be multiple of storage sector size. Here we set the |
| * first section to be 16KB for this purpose. |
| */ |
| hdr_v2->boot_data.size = MAX_PLUGIN_CODE_SIZE; |
| |
| /* Security feature are not supported */ |
| fhdr_v2->csf = 0; |
| |
| next_hdr_v2 = (imx_header_v2_t *)((char*)hdr_v2 + |
| imximage_plugin_size); |
| |
| next_fhdr_v2 = &next_hdr_v2->fhdr; |
| |
| next_fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ |
| next_fhdr_v2->header.length = |
| cpu_to_be16(sizeof(flash_header_v2_t)); |
| next_fhdr_v2->header.version = IVT_VERSION; /* 0x40 */ |
| |
| next_fhdr_v2->entry = entry_point; |
| hdr_base = entry_point - sizeof(struct imx_header); |
| next_fhdr_v2->reserved1 = next_fhdr_v2->reserved2 = 0; |
| next_fhdr_v2->self = hdr_base + imximage_plugin_size; |
| |
| next_fhdr_v2->dcd_ptr = 0; |
| next_fhdr_v2->boot_data_ptr = next_fhdr_v2->self + |
| offsetof(imx_header_v2_t, boot_data); |
| |
| next_hdr_v2->boot_data.start = hdr_base - flash_offset; |
| |
| header_size_ptr = &next_hdr_v2->boot_data.size; |
| |
| next_hdr_v2->boot_data.plugin = 0; |
| |
| next_fhdr_v2->csf = 0; |
| } |
| } |
| |
| static void set_hdr_func(void) |
| { |
| switch (imximage_version) { |
| case IMXIMAGE_V1: |
| set_dcd_val = set_dcd_val_v1; |
| set_dcd_rst = set_dcd_rst_v1; |
| set_imx_hdr = set_imx_hdr_v1; |
| max_dcd_entries = MAX_HW_CFG_SIZE_V1; |
| break; |
| case IMXIMAGE_V2: |
| set_dcd_val = set_dcd_val_v2; |
| set_dcd_rst = set_dcd_rst_v2; |
| set_imx_hdr = set_imx_hdr_v2; |
| max_dcd_entries = MAX_HW_CFG_SIZE_V2; |
| break; |
| default: |
| err_imximage_version(imximage_version); |
| break; |
| } |
| } |
| |
| static void print_hdr_v1(struct imx_header *imx_hdr) |
| { |
| imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; |
| flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; |
| dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; |
| uint32_t size, length, ver; |
| |
| size = dcd_v1->preamble.length; |
| if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) { |
| fprintf(stderr, |
| "Error: Image corrupt DCD size %d exceed maximum %d\n", |
| (uint32_t)(size / sizeof(dcd_type_addr_data_t)), |
| MAX_HW_CFG_SIZE_V1); |
| exit(EXIT_FAILURE); |
| } |
| |
| length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t); |
| ver = detect_imximage_version(imx_hdr); |
| |
| printf("Image Type: Freescale IMX Boot Image\n"); |
| printf("Image Ver: %x", ver); |
| printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver)); |
| printf("Data Size: "); |
| genimg_print_size(dcd_v1->addr_data[length].type); |
| printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr); |
| printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector); |
| } |
| |
| static void print_hdr_v2(struct imx_header *imx_hdr) |
| { |
| imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; |
| flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; |
| dcd_v2_t *dcd_v2 = &hdr_v2->data.dcd_table; |
| uint32_t size, version, plugin; |
| |
| plugin = hdr_v2->boot_data.plugin; |
| if (!plugin) { |
| size = be16_to_cpu(dcd_v2->header.length) - 8; |
| if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) { |
| fprintf(stderr, |
| "Error: Image corrupt DCD size %d exceed maximum %d\n", |
| (uint32_t)(size / sizeof(dcd_addr_data_t)), |
| MAX_HW_CFG_SIZE_V2); |
| exit(EXIT_FAILURE); |
| } |
| } |
| |
| version = detect_imximage_version(imx_hdr); |
| |
| printf("Image Type: Freescale IMX Boot Image\n"); |
| printf("Image Ver: %x", version); |
| printf("%s\n", get_table_entry_name(imximage_versions, NULL, version)); |
| printf("Mode: %s\n", plugin ? "PLUGIN" : "DCD"); |
| if (!plugin) { |
| printf("Data Size: "); |
| genimg_print_size(hdr_v2->boot_data.size); |
| printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr); |
| printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry); |
| if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) && |
| (imximage_csf_size != UNDEFINED)) { |
| printf("HAB Blocks: %08x %08x %08x\n", |
| (uint32_t)fhdr_v2->self, 0, |
| hdr_v2->boot_data.size - imximage_ivt_offset - |
| imximage_csf_size); |
| } |
| } else { |
| imx_header_v2_t *next_hdr_v2; |
| flash_header_v2_t *next_fhdr_v2; |
| |
| /*First Header*/ |
| printf("Plugin Data Size: "); |
| genimg_print_size(hdr_v2->boot_data.size); |
| printf("Plugin Code Size: "); |
| genimg_print_size(imximage_plugin_size); |
| printf("Plugin Load Address: %08x\n", hdr_v2->boot_data.start); |
| printf("Plugin Entry Point: %08x\n", |
| (uint32_t)fhdr_v2->entry); |
| |
| /*Second Header*/ |
| next_hdr_v2 = (imx_header_v2_t *)((char*)hdr_v2 + |
| imximage_plugin_size); |
| next_fhdr_v2 = &next_hdr_v2->fhdr; |
| printf("U-Boot Data Size: "); |
| genimg_print_size(next_hdr_v2->boot_data.size); |
| printf("U-Boot Load Address: %08x\n", next_hdr_v2->boot_data.start); |
| printf("U-Boot Entry Point: %08x\n", |
| (uint32_t)next_fhdr_v2->entry); |
| } |
| } |
| |
| #ifdef CONFIG_USE_PLUGIN |
| static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file) |
| { |
| int ifd = -1; |
| struct stat sbuf; |
| char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code; |
| char *ptr; |
| |
| ifd = open(plugin_file, O_RDONLY|O_BINARY); |
| if (fstat(ifd, &sbuf) < 0) { |
| fprintf(stderr, "Can't stat %s: %s\n", |
| plugin_file, |
| strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0); |
| if (ptr == MAP_FAILED) { |
| fprintf(stderr, "Can't read %s: %s\n", |
| plugin_file, |
| strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| if (sbuf.st_size > MAX_PLUGIN_CODE_SIZE) { |
| printf("plugin binary size too large\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| memcpy(plugin_buf, ptr, sbuf.st_size); |
| imximage_plugin_size = sbuf.st_size; |
| |
| (void) munmap((void *)ptr, sbuf.st_size); |
| (void) close(ifd); |
| |
| imxhdr->header.hdr_v2.boot_data.plugin = 1; |
| } |
| #endif |
| |
| static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token, |
| char *name, int lineno, int fld, int dcd_len) |
| { |
| int value; |
| static int cmd_ver_first = ~0; |
| |
| switch (cmd) { |
| case CMD_IMAGE_VERSION: |
| imximage_version = get_cfg_value(token, name, lineno); |
| if (cmd_ver_first == 0) { |
| fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION " |
| "command need be the first before other " |
| "valid command in the file\n", name, lineno); |
| exit(EXIT_FAILURE); |
| } |
| cmd_ver_first = 1; |
| set_hdr_func(); |
| break; |
| case CMD_BOOT_FROM: |
| imximage_ivt_offset = get_table_entry_id(imximage_boot_offset, |
| "imximage boot option", token); |
| if (imximage_ivt_offset == -1) { |
| fprintf(stderr, "Error: %s[%d] -Invalid boot device" |
| "(%s)\n", name, lineno, token); |
| exit(EXIT_FAILURE); |
| } |
| |
| imximage_init_loadsize = |
| get_table_entry_id(imximage_boot_loadsize, |
| "imximage boot option", token); |
| |
| if (imximage_init_loadsize == -1) { |
| fprintf(stderr, |
| "Error: %s[%d] -Invalid boot device(%s)\n", |
| name, lineno, token); |
| exit(EXIT_FAILURE); |
| } |
| |
| /* |
| * The SOC loads from the storage starting at address 0 |
| * then ensures that the load size contains the offset |
| */ |
| if (imximage_init_loadsize < imximage_ivt_offset) |
| imximage_init_loadsize = imximage_ivt_offset; |
| if (unlikely(cmd_ver_first != 1)) |
| cmd_ver_first = 0; |
| break; |
| case CMD_BOOT_OFFSET: |
| imximage_ivt_offset = get_cfg_value(token, name, lineno); |
| if (unlikely(cmd_ver_first != 1)) |
| cmd_ver_first = 0; |
| break; |
| case CMD_DATA: |
| value = get_cfg_value(token, name, lineno); |
| (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len); |
| if (unlikely(cmd_ver_first != 1)) |
| cmd_ver_first = 0; |
| break; |
| case CMD_CSF: |
| if (imximage_version != 2) { |
| fprintf(stderr, |
| "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n", |
| name, lineno, token); |
| exit(EXIT_FAILURE); |
| } |
| imximage_csf_size = get_cfg_value(token, name, lineno); |
| if (unlikely(cmd_ver_first != 1)) |
| cmd_ver_first = 0; |
| break; |
| #ifdef CONFIG_USE_PLUGIN |
| case CMD_PLUGIN: |
| copy_plugin_code(imxhdr, token); |
| break; |
| #endif |
| } |
| } |
| |
| static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd, |
| char *token, char *name, int lineno, int fld, int *dcd_len) |
| { |
| int value; |
| |
| switch (fld) { |
| case CFG_COMMAND: |
| *cmd = get_table_entry_id(imximage_cmds, |
| "imximage commands", token); |
| if (*cmd < 0) { |
| fprintf(stderr, "Error: %s[%d] - Invalid command" |
| "(%s)\n", name, lineno, token); |
| exit(EXIT_FAILURE); |
| } |
| break; |
| case CFG_REG_SIZE: |
| parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len); |
| break; |
| case CFG_REG_ADDRESS: |
| case CFG_REG_VALUE: |
| switch (*cmd) { |
| case CMD_DATA: |
| value = get_cfg_value(token, name, lineno); |
| (*set_dcd_val)(imxhdr, name, lineno, fld, value, |
| *dcd_len); |
| |
| if (fld == CFG_REG_VALUE) { |
| (*dcd_len)++; |
| if (*dcd_len > max_dcd_entries) { |
| fprintf(stderr, "Error: %s[%d] -" |
| "DCD table exceeds maximum\ |
| size(%d)\n", |
| name, lineno, max_dcd_entries); |
| exit(EXIT_FAILURE); |
| } |
| } |
| break; |
| #ifdef CONFIG_USE_PLUGIN |
| case CMD_PLUGIN: |
| value = get_cfg_value(token, name, lineno); |
| imximage_iram_free_start = value; |
| break; |
| #endif |
| default: |
| return; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name) |
| { |
| FILE *fd = NULL; |
| char *line = NULL; |
| char *token, *saveptr1, *saveptr2; |
| int lineno = 0; |
| int fld; |
| size_t len; |
| int dcd_len = 0; |
| int32_t cmd; |
| |
| fd = fopen(name, "r"); |
| if (fd == 0) { |
| fprintf(stderr, "Error: %s - Can't open DCD file\n", name); |
| exit(EXIT_FAILURE); |
| } |
| |
| /* |
| * Very simple parsing, line starting with # are comments |
| * and are dropped |
| */ |
| while ((getline(&line, &len, fd)) > 0) { |
| lineno++; |
| |
| token = strtok_r(line, "\r\n", &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(imxhdr, &cmd, token, name, |
| lineno, fld, &dcd_len); |
| } |
| |
| } |
| |
| (*set_dcd_rst)(imxhdr, dcd_len, name, lineno); |
| fclose(fd); |
| |
| /* Exit if there is no BOOT_FROM field specifying the flash_offset */ |
| if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) { |
| fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name); |
| exit(EXIT_FAILURE); |
| } |
| return dcd_len; |
| } |
| |
| |
| static int imximage_check_image_types(uint8_t type) |
| { |
| if (type == IH_TYPE_IMXIMAGE) |
| return EXIT_SUCCESS; |
| else |
| return EXIT_FAILURE; |
| } |
| |
| static int imximage_verify_header(unsigned char *ptr, int image_size, |
| struct image_tool_params *params) |
| { |
| struct imx_header *imx_hdr = (struct imx_header *) ptr; |
| |
| if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID) |
| return -FDT_ERR_BADSTRUCTURE; |
| |
| return 0; |
| } |
| |
| static void imximage_print_header(const void *ptr) |
| { |
| struct imx_header *imx_hdr = (struct imx_header *) ptr; |
| uint32_t version = detect_imximage_version(imx_hdr); |
| |
| switch (version) { |
| case IMXIMAGE_V1: |
| print_hdr_v1(imx_hdr); |
| break; |
| case IMXIMAGE_V2: |
| print_hdr_v2(imx_hdr); |
| break; |
| default: |
| err_imximage_version(version); |
| break; |
| } |
| } |
| |
| static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, |
| struct image_tool_params *params) |
| { |
| struct imx_header *imxhdr = (struct imx_header *)ptr; |
| uint32_t dcd_len; |
| |
| /* |
| * In order to not change the old imx cfg file |
| * by adding VERSION command into it, here need |
| * set up function ptr group to V1 by default. |
| */ |
| imximage_version = IMXIMAGE_V1; |
| /* Be able to detect if the cfg file has no BOOT_FROM tag */ |
| imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; |
| imximage_csf_size = 0; |
| set_hdr_func(); |
| |
| /* Parse dcd configuration file */ |
| dcd_len = parse_cfg_file(imxhdr, params->imagename); |
| |
| if (imximage_version == IMXIMAGE_V2) { |
| if (imximage_init_loadsize < imximage_ivt_offset + |
| sizeof(imx_header_v2_t)) |
| imximage_init_loadsize = imximage_ivt_offset + |
| sizeof(imx_header_v2_t); |
| } |
| |
| /* Set the imx header */ |
| (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset); |
| |
| /* |
| * ROM bug alert |
| * |
| * MX53 only loads 512 byte multiples in case of SD boot. |
| * MX53 only loads NAND page multiples in case of NAND boot and |
| * supports up to 4096 byte large pages, thus align to 4096. |
| * |
| * The remaining fraction of a block bytes would not be loaded! |
| */ |
| *header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096); |
| |
| if (csf_ptr && imximage_csf_size) { |
| *csf_ptr = params->ep - imximage_init_loadsize + |
| *header_size_ptr; |
| *header_size_ptr += imximage_csf_size; |
| } |
| } |
| |
| int imximage_check_params(struct image_tool_params *params) |
| { |
| if (!params) |
| return CFG_INVALID; |
| if (!strlen(params->imagename)) { |
| fprintf(stderr, "Error: %s - Configuration file not specified, " |
| "it is needed for imximage generation\n", |
| 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)); |
| } |
| |
| static int imximage_generate(struct image_tool_params *params, |
| struct image_type_params *tparams) |
| { |
| struct imx_header *imxhdr; |
| size_t alloc_len; |
| struct stat sbuf; |
| char *datafile = params->datafile; |
| uint32_t pad_len; |
| |
| memset(&imximage_header, 0, sizeof(imximage_header)); |
| |
| /* |
| * In order to not change the old imx cfg file |
| * by adding VERSION command into it, here need |
| * set up function ptr group to V1 by default. |
| */ |
| imximage_version = IMXIMAGE_V1; |
| /* Be able to detect if the cfg file has no BOOT_FROM tag */ |
| imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; |
| imximage_csf_size = 0; |
| set_hdr_func(); |
| |
| /* Parse dcd configuration file */ |
| parse_cfg_file(&imximage_header, params->imagename); |
| |
| /* TODO: check i.MX image V1 handling, for now use 'old' style */ |
| if (imximage_version == IMXIMAGE_V1) { |
| alloc_len = 4096; |
| } else { |
| if (imximage_init_loadsize < imximage_ivt_offset + |
| sizeof(imx_header_v2_t)) |
| imximage_init_loadsize = imximage_ivt_offset + |
| sizeof(imx_header_v2_t); |
| alloc_len = imximage_init_loadsize - imximage_ivt_offset; |
| } |
| |
| if (alloc_len < sizeof(struct imx_header)) { |
| fprintf(stderr, "%s: header error\n", |
| params->cmdname); |
| exit(EXIT_FAILURE); |
| } |
| |
| imxhdr = malloc(alloc_len); |
| |
| if (!imxhdr) { |
| fprintf(stderr, "%s: malloc return failure: %s\n", |
| params->cmdname, strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| memset(imxhdr, 0, alloc_len); |
| |
| tparams->header_size = alloc_len; |
| tparams->hdr = imxhdr; |
| |
| /* determine data image file length */ |
| |
| if (stat(datafile, &sbuf) < 0) { |
| fprintf(stderr, "%s: Can't stat %s: %s\n", |
| params->cmdname, datafile, strerror(errno)); |
| exit(EXIT_FAILURE); |
| } |
| |
| pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size; |
| |
| /* TODO: check i.MX image V1 handling, for now use 'old' style */ |
| if (imximage_version == IMXIMAGE_V1) |
| return 0; |
| else |
| return pad_len; |
| } |
| |
| |
| /* |
| * imximage parameters |
| */ |
| static struct image_type_params imximage_params = { |
| .name = "Freescale i.MX Boot Image support", |
| .header_size = 0, |
| .hdr = NULL, |
| .check_image_type = imximage_check_image_types, |
| .verify_header = imximage_verify_header, |
| .print_header = imximage_print_header, |
| .set_header = imximage_set_header, |
| .check_params = imximage_check_params, |
| .vrec_header = imximage_generate, |
| }; |
| |
| void init_imx_image_type(void) |
| { |
| register_image_type(&imximage_params); |
| } |