diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/bimgtool/Makefile | 16 | ||||
| -rw-r--r-- | util/bimgtool/bimgtool.c | 430 | ||||
| -rw-r--r-- | util/bimgtool/description.md | 3 |
3 files changed, 0 insertions, 449 deletions
diff --git a/util/bimgtool/Makefile b/util/bimgtool/Makefile deleted file mode 100644 index 05ddf7d757..0000000000 --- a/util/bimgtool/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -obj ?= $(CURDIR) - -HOSTCC ?= gcc -CFLAGS ?= -g -CFLAGS += -D_7ZIP_ST -CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes -CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -CFLAGS += -Wstrict-aliasing -Wshadow -Werror - -all: $(obj)/bimgtool - -clean: - rm -f $(obj)/bimgtool - -$(obj)/bimgtool: bimgtool.c - $(HOSTCC) $(CFLAGS) -o $@ $^ diff --git a/util/bimgtool/bimgtool.c b/util/bimgtool/bimgtool.c deleted file mode 100644 index 518674cf64..0000000000 --- a/util/bimgtool/bimgtool.c +++ /dev/null @@ -1,430 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2014 Imagination Technologies Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <errno.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/types.h> - -struct bimg_header { - uint32_t magic; - uint16_t ver_major; - uint16_t ver_minor; - uint32_t data_size; - uint32_t entry_addr; - uint32_t flags; - uint32_t data_crc; - uint32_t crc; -} __attribute__((packed)); - -struct bimg_data_header { - uint32_t size; - uint32_t dest_addr; - uint16_t dummy; - uint16_t crc; -} __attribute__((packed)); - -struct crc_t { - uint16_t (*crc_f)(uint16_t crc, void *void_buf, size_t size); - uint32_t crc_init; - uint16_t ver_major; - uint16_t ver_minor; -}; - - -#define BIMG_MAGIC /* y */ 0xabbadaba /* doo! */ - -#define BIMG_OP_MASK (0xf << 0) -#define BIMG_OP_EXEC_RETURN (0x1 << 0) -#define BIMG_OP_EXEC_NO_RETURN (0x2 << 0) -#define BIMG_DATA_CHECKSUM (0x1 << 4) - -/* Typical use case for this utility. */ -#define BIMG_FLAGS (BIMG_OP_EXEC_NO_RETURN | BIMG_DATA_CHECKSUM) - -#define MAX_RECORD_BYTES 0x8000 - -#define CRC_16 - -#define error(msg...) fprintf(stderr, "ERROR: " msg) - -#define error_ret(ret, msg...) { \ - error(msg); \ - return ret; \ -} - -#if defined(CRC_X25) -static uint16_t crc_x25(uint16_t crc, void *void_buf, size_t size) -{ - static const uint16_t crc_table[16] = { - 0x0000, 0x1021, 0x2042, 0x3063, - 0x4084, 0x50a5, 0x60c6, 0x70e7, - 0x8108, 0x9129, 0xa14a, 0xb16b, - 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, - }; - uint8_t *buf, data; - - for (buf = void_buf; size; size--) { - data = *buf++; - crc = (crc << 4) ^ crc_table[((crc >> 12) ^ (data >> 4)) & 0xf]; - crc = (crc << 4) ^ crc_table[((crc >> 12) ^ (data >> 0)) & 0xf]; - } - - return crc; -} -#endif - -#if defined(CRC_16) -static uint16_t crc_16(uint16_t crc, void *void_buf, size_t size) -{ - /* - * CRC table for the CRC-16. - * The poly is 0x8005 (x^16 + x^15 + x^2 + 1) - */ - static const uint16_t crc16_table[256] = { - 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, - 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440, - 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40, - 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841, - 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40, - 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41, - 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641, - 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040, - 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240, - 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441, - 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41, - 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840, - 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41, - 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40, - 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640, - 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041, - 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240, - 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441, - 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41, - 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840, - 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41, - 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40, - 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640, - 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041, - 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241, - 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440, - 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40, - 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841, - 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40, - 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41, - 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, - 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040 - }; - uint8_t *buf, data; - - for (buf = void_buf; size; size--) { - data = *buf++; - crc = (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff]; - } - - return crc; -} -#endif - -static const struct crc_t crc_type = { -#if defined(CRC_16) - .crc_f = crc_16, - .crc_init = 0, - .ver_major = 2, - .ver_minor = 0 -#elif defined(CRC_X25) - .crc_f = crc_x25, - .crc_init = 0xffff, - .ver_major = 1, - .ver_minor = 0 -#endif -}; - -static int write_binary(FILE *out, FILE *in, struct bimg_header *hdr) -{ - static uint8_t file_buf[MAX_RECORD_BYTES]; - struct bimg_data_header data_hdr = { 0 }; - size_t n_written; - - data_hdr.dest_addr = hdr->entry_addr; - - /* - * The read binary data has to be split in chunks of max 64KiB - 1 byte - * (SPI controller limitation). Each chunk will have its own header in - * order to respect the BIMG format. - */ - while ((data_hdr.size = fread(file_buf, 1, sizeof(file_buf), in))) { - data_hdr.crc = crc_type.crc_f(crc_type.crc_init, &data_hdr, - sizeof(data_hdr) - sizeof(data_hdr.crc)); - - if (fwrite(&data_hdr, sizeof(data_hdr), 1, out) != 1) - error_ret(-EIO, "Failed to write data header: %d\n", - errno); - - n_written = fwrite(file_buf, 1, data_hdr.size, out); - if (n_written != data_hdr.size) - error_ret(-EIO, "Failed to write to output file: %d\n", - errno); - - data_hdr.dest_addr += n_written; - hdr->data_size += sizeof(data_hdr) + n_written; - hdr->data_crc = crc_type.crc_f(hdr->data_crc, - file_buf, n_written); - } - - if (ferror(in)) - error_ret(-EIO, "Failed to read input file\n"); - - return 0; -} - -static int write_final(FILE *out, struct bimg_header *hdr) -{ - struct bimg_data_header data_hdr = { - .size = 0, - .dest_addr = ~0, - }; - - data_hdr.crc = crc_type.crc_f(crc_type.crc_init, &data_hdr, - sizeof(data_hdr) - sizeof(data_hdr.crc)); - - if (fwrite(&data_hdr, sizeof(data_hdr), 1, out) != 1) - error_ret(-EIO, "Failed to write data header: %d\n", errno); - - hdr->data_size += sizeof(data_hdr); - - return 0; -} - -static const char *help_message = - "Usage: bimgtool <input> [<output> <base-address>]\n" - "\n" - "This is a simple tool which generates and verifies boot images in\n" - "the BIMG format, used in systems designed by Imagination\n" - "Technologies, for example the Pistachio SoC. This version of the\n" - "tool works with BIMG images version %d.\n" - "\n" - " input: The binary file to be converted to a BIMG\n" - " or verified\n" - " output: The name of the output BIMG file\n" - " base-address: The address in memory at which you wish the " - " input binary to be loaded.\n"; - -static void usage(FILE *f) -{ - fprintf(f, help_message, crc_type.ver_major); -} - -static int verify_file(FILE *f) -{ - struct bimg_header file_header; - struct bimg_data_header data_header; - char *file_pointer; - char *file_data; - struct stat buf; - int data_size; - int fd = fileno(f); - uint32_t data_crc = crc_type.crc_init; - uint32_t crc_result; - - if (fread(&file_header, 1, sizeof(struct bimg_header), f) != - sizeof(struct bimg_header)) { - perror("Problems trying to read input file header\n"); - return -1; - } - - if (fstat(fd, &buf)) { - perror("Problems trying to stat input file\n"); - return -1; - } - - if (file_header.magic != BIMG_MAGIC) { - fprintf(stderr, "Wrong magic value %#x\n", file_header.magic); - return -1; - } - - crc_result = crc_type.crc_f(crc_type.crc_init, &file_header, - sizeof(file_header) - - sizeof(file_header.crc)); - if (file_header.crc != crc_result) { - fprintf(stderr, "File header CRC mismatch\n"); - return -1; - } - - if ((file_header.data_size + sizeof(struct bimg_header)) > - buf.st_size) { - fprintf(stderr, "Data size too big: %d > %zd\n", - file_header.data_size, buf.st_size); - return -1; - } - - if (file_header.ver_major != crc_type.ver_major) { - fprintf(stderr, "Image version mismatch: %d\n", - file_header.ver_major); - return -1; - } - - if ((file_header.flags & BIMG_FLAGS) != BIMG_FLAGS) { - fprintf(stderr, "Unexpected file header flags: %#x\n", - file_header.flags); - return -1; - } - - if (file_header.ver_minor != crc_type.ver_minor) { - fprintf(stderr, - "Minor version mismatch: %d, will try anyways\n", - file_header.ver_minor); - } - - data_size = file_header.data_size; - file_pointer = malloc(data_size); - if (!file_pointer) { - fprintf(stderr, "Failed to allocate %d bytes\n", - file_header.data_size); - return -1; - } - - if (fread(file_pointer, 1, data_size, f) != data_size) { - fprintf(stderr, "Failed to read %d bytes\n", data_size); - free(file_pointer); - return -1; - } - - file_data = file_pointer; - while (data_size > 0) { - memcpy(&data_header, file_data, sizeof(data_header)); - - /* Check the data block header integrity. */ - crc_result = crc_type.crc_f(crc_type.crc_init, &data_header, - sizeof(data_header) - - sizeof(data_header.crc)); - if (data_header.crc != crc_result) { - fprintf(stderr, "Data header CRC mismatch at %d\n", - file_header.data_size - data_size); - free(file_pointer); - return -1; - } - - /* - * Add the block data to the CRC stream, the last block size - * will be zero. - */ - file_data += sizeof(data_header); - data_crc = crc_type.crc_f(data_crc, - file_data, data_header.size); - - data_size -= data_header.size + sizeof(data_header); - file_data += data_header.size; - } - - if (data_size) { - fprintf(stderr, "File size mismatch\n"); - free(file_pointer); - return -1; - } - - if (data_crc != file_header.data_crc) { - fprintf(stderr, "File data CRC mismatch\n"); - free(file_pointer); - return -1; - } - - free(file_pointer); - return 0; -} - -int main(int argc, char *argv[]) -{ - const char *in_filename, *out_filename; - FILE *in_file, *out_file; - int err; - struct bimg_header hdr = { - .magic = BIMG_MAGIC, - .ver_major = crc_type.ver_major, - .ver_minor = crc_type.ver_minor, - .flags = BIMG_FLAGS, - .data_crc = crc_type.crc_init, - }; - - if ((argc != 4) && (argc != 2)) { - usage(stderr); - goto out_err; - } - - in_filename = argv[1]; - - in_file = fopen(in_filename, "r"); - if (!in_file) { - error("Failed to open input file '%s'\n", in_filename); - goto out_err; - } - - if (argc == 2) - return verify_file(in_file); - - out_filename = argv[2]; - hdr.entry_addr = strtoul(argv[3], NULL, 16); - - out_file = fopen(out_filename, "w"); - if (!out_file) { - error("Failed to open output file '%s'\n", out_filename); - goto out_err_close_in; - } - - if (fseek(out_file, sizeof(hdr), SEEK_SET)) { - error("Failed to seek past header: %d\n", errno); - goto out_err_close_out; - } - - err = write_binary(out_file, in_file, &hdr); - if (err) { - error("Failed to write binary: %d\n", err); - goto out_err_close_out; - } - - err = write_final(out_file, &hdr); - if (err) { - error("Failed to write final record: %d\n", err); - goto out_err_close_out; - } - - hdr.crc = crc_type.crc_f(crc_type.crc_init, &hdr, - sizeof(hdr) - sizeof(hdr.crc)); - - if (fseek(out_file, 0, SEEK_SET)) { - error("Failed to seek to header: %d\n", errno); - goto out_err_close_out; - } - - if (fwrite(&hdr, sizeof(hdr), 1, out_file) != 1) { - error("Failed to write header: %d\n", errno); - goto out_err_close_out; - } - - fclose(in_file); - fclose(out_file); - return EXIT_SUCCESS; - -out_err_close_out: - fclose(out_file); -out_err_close_in: - fclose(in_file); -out_err: - return EXIT_FAILURE; -} diff --git a/util/bimgtool/description.md b/util/bimgtool/description.md deleted file mode 100644 index aa1059a8dc..0000000000 --- a/util/bimgtool/description.md +++ /dev/null @@ -1,3 +0,0 @@ -A simple tool which generates and verifies boot images in the BIMG -format, used in systems designed by Imagination Technologies, for -example the Pistachio SoC. `C` |