[openwrt/openwrt] firmware-utils: add JBOOT bootloader image support
LEDE Commits
lede-commits at lists.infradead.org
Sun Mar 18 23:51:54 PDT 2018
mkresin pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/84c1b786b9830c17034e5de915ce11965666febd
commit 84c1b786b9830c17034e5de915ce11965666febd
Author: Pawel Dembicki <paweldembicki at gmail.com>
AuthorDate: Sat Feb 3 12:59:50 2018 +0100
firmware-utils: add JBOOT bootloader image support
Tested on D-Link DWR-116.
Based on mktplinkfw.
Signed-off-by: Pawel Dembicki <paweldembicki at gmail.com>
---
tools/firmware-utils/Makefile | 1 +
tools/firmware-utils/src/mkdlinkfw-lib.c | 172 ++++++++
tools/firmware-utils/src/mkdlinkfw-lib.h | 83 ++++
tools/firmware-utils/src/mkdlinkfw.c | 665 +++++++++++++++++++++++++++++++
4 files changed, 921 insertions(+)
diff --git a/tools/firmware-utils/Makefile b/tools/firmware-utils/Makefile
index f3fefa3..7fa6f71 100644
--- a/tools/firmware-utils/Makefile
+++ b/tools/firmware-utils/Makefile
@@ -81,6 +81,7 @@ define Host/Compile
$(call cc,mkbuffaloimg, -Wall)
$(call cc,zyimage, -Wall)
$(call cc,mkdhpimg buffalo-lib, -Wall)
+ $(call cc,mkdlinkfw mkdlinkfw-lib, -lz -Wall)
endef
define Host/Install
diff --git a/tools/firmware-utils/src/mkdlinkfw-lib.c b/tools/firmware-utils/src/mkdlinkfw-lib.c
new file mode 100644
index 0000000..fcab856
--- /dev/null
+++ b/tools/firmware-utils/src/mkdlinkfw-lib.c
@@ -0,0 +1,172 @@
+/*
+ * mkdlinkfw
+ *
+ * Copyright (C) 2018 Paweł Dembicki <paweldembicki at gmail.com>
+ *
+ * This tool is based on mktplinkfw.
+ * Copyright (C) 2009 Gabor Juhos <juhosg at openwrt.org>
+ * Copyright (C) 2008,2009 Wang Jian <lark at linux.net.cn>
+ *
+ * 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; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h> /* for unlink() */
+#include <libgen.h>
+#include <getopt.h> /* for getopt() */
+#include <stdarg.h>
+#include <stdbool.h>
+#include <endian.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <zlib.h> /*for crc32 */
+
+#include "mkdlinkfw-lib.h"
+
+extern char *progname;
+
+static unsigned char jffs2_eof_mark[4] = { 0xde, 0xad, 0xc0, 0xde };
+
+uint32_t jboot_timestamp(void)
+{
+ time_t rawtime;
+ time(&rawtime);
+ return (((uint32_t) rawtime) - TIMESTAMP_MAGIC) >> 2;
+}
+
+uint16_t jboot_checksum(uint16_t start_val, uint16_t *data, int size)
+{
+ uint32_t counter = start_val;
+ uint16_t *ptr = data;
+
+ while (size > 1) {
+ counter += *ptr;
+ ++ptr;
+ while (counter >> 16)
+ counter = (uint16_t) counter + (counter >> 16);
+ size -= 2;
+ }
+ if (size > 0) {
+ counter += *(uint8_t *) ptr;
+ counter -= 0xFF;
+ }
+ while (counter >> 16)
+ counter = (uint16_t) counter + (counter >> 16);
+ return counter;
+}
+
+int get_file_stat(struct file_info *fdata)
+{
+ struct stat st;
+ int res;
+
+ if (fdata->file_name == NULL)
+ return 0;
+
+ res = stat(fdata->file_name, &st);
+ if (res) {
+ ERRS("stat failed on %s", fdata->file_name);
+ return res;
+ }
+
+ fdata->file_size = st.st_size;
+ return 0;
+}
+
+int read_to_buf(const struct file_info *fdata, char *buf)
+{
+ FILE *f;
+ int ret = EXIT_FAILURE;
+
+ f = fopen(fdata->file_name, "r");
+ if (f == NULL) {
+ ERRS("could not open \"%s\" for reading", fdata->file_name);
+ goto out;
+ }
+
+ errno = 0;
+ fread(buf, fdata->file_size, 1, f);
+ if (errno != 0) {
+ ERRS("unable to read from file \"%s\"", fdata->file_name);
+ goto out_close;
+ }
+
+ ret = EXIT_SUCCESS;
+
+ out_close:
+ fclose(f);
+ out:
+ return ret;
+}
+
+int pad_jffs2(char *buf, int currlen, int maxlen)
+{
+ int len;
+ uint32_t pad_mask;
+
+ len = currlen;
+ pad_mask = (4 * 1024) | (64 * 1024); /* EOF at 4KB and at 64KB */
+ while ((len < maxlen) && (pad_mask != 0)) {
+ uint32_t mask;
+ int i;
+
+ for (i = 10; i < 32; i++) {
+ mask = 1 << i;
+ if (pad_mask & mask)
+ break;
+ }
+
+ len = ALIGN(len, mask);
+
+ for (i = 10; i < 32; i++) {
+ mask = 1 << i;
+ if ((len & (mask - 1)) == 0)
+ pad_mask &= ~mask;
+ }
+
+ for (i = 0; i < sizeof(jffs2_eof_mark); i++)
+ buf[len + i] = jffs2_eof_mark[i];
+
+ len += sizeof(jffs2_eof_mark);
+ }
+
+ return len;
+}
+
+int write_fw(const char *ofname, const char *data, int len)
+{
+ FILE *f;
+ int ret = EXIT_FAILURE;
+
+ f = fopen(ofname, "w");
+ if (f == NULL) {
+ ERRS("could not open \"%s\" for writing", ofname);
+ goto out;
+ }
+
+ errno = 0;
+ fwrite(data, len, 1, f);
+ if (errno) {
+ ERRS("unable to write output file");
+ goto out_flush;
+ }
+
+ DBG("firmware file \"%s\" completed", ofname);
+
+ ret = EXIT_SUCCESS;
+
+ out_flush:
+ fflush(f);
+ fclose(f);
+ if (ret != EXIT_SUCCESS)
+ unlink(ofname);
+ out:
+ return ret;
+}
diff --git a/tools/firmware-utils/src/mkdlinkfw-lib.h b/tools/firmware-utils/src/mkdlinkfw-lib.h
new file mode 100644
index 0000000..d61124c
--- /dev/null
+++ b/tools/firmware-utils/src/mkdlinkfw-lib.h
@@ -0,0 +1,83 @@
+/*
+ * mkdlinkfw
+ *
+ * Copyright (C) 2018 Paweł Dembicki <paweldembicki at gmail.com>
+ *
+ * This tool is based on mktplinkfw.
+ * Copyright (C) 2009 Gabor Juhos <juhosg at openwrt.org>
+ * Copyright (C) 2008,2009 Wang Jian <lark at linux.net.cn>
+ *
+ * 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; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#ifndef mkdlinkfw_lib_h
+#define mkdlinkfw_lib_h
+
+#define AUH_MAGIC "DLK"
+#define AUH_SIZE 80
+#define AUH_LVPS 0x01
+#define AUH_HDR_ID 0x4842
+#define AUH_HDR_VER 0x02
+#define AUH_SEC_ID 0x04
+#define AUH_INFO_TYPE 0x04
+
+#define STAG_SIZE 16
+#define STAG_ID 0x04
+#define STAG_MAGIC 0x2B24
+#define STAG_CMARK_FACTORY 0xFF
+
+#define SCH2_SIZE 40
+#define SCH2_MAGIC 0x2124
+#define SCH2_VER 0x02
+
+#define FLAT 0
+#define JZ 1
+#define GZIP 2
+#define LZMA 3
+
+#define RAM_ENTRY_ADDR 0x80000000
+#define RAM_LOAD_ADDR 0x80000000
+#define JBOOT_SIZE 0x10000
+
+#define ALL_HEADERS_SIZE (AUH_SIZE + STAG_SIZE + SCH2_SIZE)
+#define MAX_HEADER_COUNTER 10
+#define TIMESTAMP_MAGIC 0x35016f00L
+
+#define FACTORY 0
+#define SYSUPGRADE 1
+
+#define ALIGN(x, a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
+
+#define ERR(fmt, ...) do { \
+ fflush(0); \
+ fprintf(stderr, "[%s] *** error: " fmt "\n", \
+ progname, ## __VA_ARGS__); \
+} while (0)
+
+#define ERRS(fmt, ...) do { \
+ int save = errno; \
+ fflush(0); \
+ fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
+ progname, ## __VA_ARGS__, strerror(save)); \
+} while (0)
+
+#define DBG(fmt, ...) do { \
+ fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__); \
+} while (0)
+
+struct file_info {
+ char *file_name; /* name of the file */
+ uint32_t file_size; /* length of the file */
+};
+
+uint32_t jboot_timestamp(void);
+uint16_t jboot_checksum(uint16_t start_val, uint16_t *data, int size);
+int get_file_stat(struct file_info *fdata);
+int read_to_buf(const struct file_info *fdata, char *buf);
+int pad_jffs2(char *buf, int currlen, int maxlen);
+int write_fw(const char *ofname, const char *data, int len);
+
+#endif /* mkdlinkfw_lib_h */
diff --git a/tools/firmware-utils/src/mkdlinkfw.c b/tools/firmware-utils/src/mkdlinkfw.c
new file mode 100644
index 0000000..8760500
--- /dev/null
+++ b/tools/firmware-utils/src/mkdlinkfw.c
@@ -0,0 +1,665 @@
+/*
+ * mkdlinkfw
+ *
+ * Copyright (C) 2018 Paweł Dembicki <paweldembicki at gmail.com>
+ *
+ * This tool is based on mktplinkfw.
+ * Copyright (C) 2009 Gabor Juhos <juhosg at openwrt.org>
+ * Copyright (C) 2008,2009 Wang Jian <lark at linux.net.cn>
+ *
+ * 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; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h> /* for unlink() */
+#include <libgen.h>
+#include <getopt.h> /* for getopt() */
+#include <stdarg.h>
+#include <stdbool.h>
+#include <endian.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <zlib.h> /*for crc32 */
+
+#include "mkdlinkfw-lib.h"
+
+/* ARM update header 2.0
+ * used only in factory images to erase and flash selected area
+ */
+struct auh_header {
+ uint8_t rom_id[12]; /* 12-bit rom-id unique per router type */
+ uint16_t derange; /* used for scramble header */
+ uint16_t image_checksum; /* jboot_checksum of flashed data */
+
+ uint32_t space1; /* zeros */
+ uint32_t space2; /* zeros */
+ uint16_t space3; /* zerosu */
+ uint8_t lpvs; /* must be 0x01 */
+ uint8_t mbz; /* bust be 0 */
+ uint32_t time_stamp; /* timestamp calculated in jboot way */
+
+ uint32_t erase_start; /* erase start address */
+ uint32_t erase_length; /* erase length address */
+ uint32_t data_offset; /* data start address */
+ uint32_t data_length; /* data length address */
+
+ uint32_t space4; /* zeros */
+ uint32_t space5; /* zeros */
+ uint32_t space6; /* zeros */
+ uint32_t space7; /* zeros */
+
+ uint16_t header_id; /* magic 0x4842 */
+ uint16_t header_version; /* 0x02 for 2.0 */
+ uint16_t space8; /* zeros */
+ uint8_t section_id; /* section id */
+ uint8_t image_info_type; /* (?) 0x04 in factory images */
+ uint32_t image_info_offset; /* (?) zeros in factory images */
+ uint16_t family_member; /* unique per router type */
+ uint16_t header_checksum; /* negated jboot_checksum of header data */
+};
+
+struct stag_header { /* used only of sch2 wrapped kernel data */
+ uint8_t cmark; /* in factory 0xFF ,in sysuograde must be the same as id */
+ uint8_t id; /* 0x04 */
+ uint16_t magic; /* magic 0x2B24 */
+ uint32_t time_stamp; /* timestamp calculated in jboot way */
+ uint32_t image_length; /* lentgh of kernel + sch2 header */
+ uint16_t image_checksum; /* negated jboot_checksum of sch2 + kernel */
+ uint16_t tag_checksum; /* negated jboot_checksum of stag header data */
+};
+
+struct sch2_header { /* used only in kernel partitions */
+ uint16_t magic; /* magic 0x2124 */
+ uint8_t cp_type; /* 0x00 for flat, 0x01 for jz, 0x02 for gzip, 0x03 for lzma */
+ uint8_t version; /* 0x02 for sch2 */
+ uint32_t ram_addr; /* ram entry address */
+ uint32_t image_len; /* kernel image length */
+ uint32_t image_crc32; /* kernel image crc */
+ uint32_t start_addr; /* ram start address */
+ uint32_t rootfs_addr; /* rootfs flash address */
+ uint32_t rootfs_len; /* rootfls length */
+ uint32_t rootfs_crc32; /* rootfs crc32 */
+ uint32_t header_crc32; /* sch2 header crc32, durring calculation this area is replaced by zero */
+ uint16_t header_length; /* sch2 header length: 0x28 */
+ uint16_t cmd_line_length; /* cmd line length, known zeros */
+};
+
+/* globals */
+static struct file_info inspect_info;
+struct file_info kernel_info;
+struct file_info rootfs_info;
+struct file_info image_info;
+
+char *ofname;
+char *progname;
+uint32_t firmware_size;
+uint16_t family_member;
+char *rom_id[12] = { 0 };
+
+char image_type;
+int add_jffs2_eof;
+
+static void usage(int status)
+{
+ fprintf(stderr, "Usage: %s [OPTIONS...]\n", progname);
+ fprintf(stderr,
+ "\n"
+ "Options:\n"
+ " -i <file> inspect given firmware file <file>\n"
+ " -f set family member id (hexval prefixed with 0x)\n"
+ " -F <file> read image and convert it to FACTORY\n"
+ " -k <file> read kernel image from the file <file>\n"
+ " -r <file> read rootfs image from the file <file>\n"
+ " -o <file> write output to the file <file>\n"
+ " -s <size> set firmware partition size\n"
+ " -m <version> set rom id to <version> (12-bit string val: \"DLK*********\")\n"
+ " -h show this screen\n");
+
+ exit(status);
+}
+
+void print_auh_header(struct auh_header *printed_header)
+{
+ printf("\trom_id: %s\n"
+ "\tderange: 0x%04X\n"
+ "\timage_checksum: 0x%04X\n"
+ "\tspace1: 0x%08X\n"
+ "\tspace2: 0x%08X\n"
+ "\tspace3: 0x%04X\n"
+ "\tlpvs: 0x%02X\n"
+ "\tmbz: 0x%02X\n"
+ "\ttime_stamp: 0x%08X\n"
+ "\terase_start: 0x%08X\n"
+ "\terase_length: 0x%08X\n"
+ "\tdata_offset: 0x%08X\n"
+ "\tdata_length: 0x%08X\n"
+ "\tspace4: 0x%08X\n"
+ "\tspace5: 0x%08X\n"
+ "\tspace6: 0x%08X\n"
+ "\tspace7: 0x%08X\n"
+ "\theader_id: 0x%04X\n"
+ "\theader_version: 0x%02X\n"
+ "\tspace8: 0x%04X\n"
+ "\tsection_id: 0x%02X\n"
+ "\timage_info_type: 0x%02X\n"
+ "\timage_info_offset 0x%08X\n"
+ "\tfamily_member: 0x%04X\n"
+ "\theader_checksum: 0x%04X\n",
+ printed_header->rom_id,
+ printed_header->derange,
+ printed_header->image_checksum,
+ printed_header->space1,
+ printed_header->space2,
+ printed_header->space3,
+ printed_header->lpvs,
+ printed_header->mbz,
+ printed_header->time_stamp,
+ printed_header->erase_start,
+ printed_header->erase_length,
+ printed_header->data_offset,
+ printed_header->data_length,
+ printed_header->space4,
+ printed_header->space5,
+ printed_header->space6,
+ printed_header->space7,
+ printed_header->header_id,
+ printed_header->header_version,
+ printed_header->space8,
+ printed_header->section_id,
+ printed_header->image_info_type,
+ printed_header->image_info_offset,
+ printed_header->family_member, printed_header->header_checksum);
+}
+
+void print_stag_header(struct stag_header *printed_header)
+{
+ printf("\tcmark: 0x%02X\n"
+ "\tid: 0x%02X\n"
+ "\tmagic: 0x%04X\n"
+ "\ttime_stamp: 0x%08X\n"
+ "\timage_length: 0x%04X\n"
+ "\timage_checksum: 0x%04X\n"
+ "\ttag_checksum: 0x%04X\n",
+ printed_header->cmark,
+ printed_header->id,
+ printed_header->magic,
+ printed_header->time_stamp,
+ printed_header->image_length,
+ printed_header->image_checksum, printed_header->tag_checksum);
+}
+
+void print_sch2_header(struct sch2_header *printed_header)
+{
+ printf("\tmagic: 0x%04X\n"
+ "\tcp_type: 0x%02X\n"
+ "\tversion: 0x%02X\n"
+ "\tram_addr: 0x%08X\n"
+ "\timage_len: 0x%08X\n"
+ "\timage_crc32: 0x%08X\n"
+ "\tstart_addr: 0x%08X\n"
+ "\trootfs_addr: 0x%08X\n"
+ "\trootfs_len: 0x%08X\n"
+ "\trootfs_crc32: 0x%08X\n"
+ "\theader_crc32: 0x%08X\n"
+ "\theader_length: 0x%04X\n"
+ "\tcmd_line_length: 0x%04X\n",
+ printed_header->magic,
+ printed_header->cp_type,
+ printed_header->version,
+ printed_header->ram_addr,
+ printed_header->image_len,
+ printed_header->image_crc32,
+ printed_header->start_addr,
+ printed_header->rootfs_addr,
+ printed_header->rootfs_len,
+ printed_header->rootfs_crc32,
+ printed_header->header_crc32,
+ printed_header->header_length, printed_header->cmd_line_length);
+}
+
+static int find_auh_headers(char *buf)
+{
+ char *tmp_buf = buf;
+ struct auh_header *tmp_header[MAX_HEADER_COUNTER];
+ int header_counter = 0;
+
+ int ret = EXIT_FAILURE;
+
+ while (tmp_buf - buf <= inspect_info.file_size - AUH_SIZE) {
+ if (!memcmp(tmp_buf, AUH_MAGIC, 3)) {
+ if (((struct auh_header *)tmp_buf)->header_checksum ==
+ (uint16_t) ~jboot_checksum(0, (uint16_t *) tmp_buf,
+ AUH_SIZE - 2)) {
+ uint16_t checksum = 0;
+ printf("Find proper AUH header at: 0x%lX!\n",
+ tmp_buf - buf);
+ tmp_header[header_counter] =
+ (struct auh_header *)tmp_buf;
+ checksum =
+ jboot_checksum(0, (uint16_t *) ((char *)
+ tmp_header
+ [header_counter]
+ + AUH_SIZE),
+ tmp_header
+ [header_counter]->data_length);
+ if (tmp_header[header_counter]->image_checksum
+ == checksum)
+ printf("Image checksum ok.\n");
+ else
+ ERR("Image checksum incorrect! Stored: 0x%X Calculated: 0x%X\n", tmp_header[header_counter]->image_checksum, checksum);
+ header_counter++;
+ if (header_counter > MAX_HEADER_COUNTER)
+ break;
+ }
+ }
+ tmp_buf++;
+ }
+
+ if (header_counter == 0)
+ ERR("Can't find proper AUH header!\n");
+ else if (header_counter > MAX_HEADER_COUNTER)
+ ERR("To many AUH headers!\n");
+ else {
+ for (int i = 0; i < header_counter; i++) {
+ printf("AUH %d:\n", i);
+ print_auh_header(tmp_header[i]);
+ }
+
+ ret = EXIT_SUCCESS;
+ }
+
+ return ret;
+}
+
+static int check_stag_header(char *buf, struct stag_header *header)
+{
+
+ int ret = EXIT_FAILURE;
+
+ uint8_t cmark_tmp = header->cmark;
+ header->cmark = header->id;
+
+ if (header->tag_checksum ==
+ (uint16_t) ~jboot_checksum(0, (uint16_t *) header,
+ STAG_SIZE - 2)) {
+ uint16_t checksum = 0;
+ printf("Find proper STAG header at: 0x%lX!\n",
+ (char *)header - buf);
+ checksum =
+ jboot_checksum(0, (uint16_t *) ((char *)header + STAG_SIZE),
+ header->image_length);
+ if (header->image_checksum == checksum) {
+ printf("Image checksum ok.\n");
+ header->cmark = cmark_tmp;
+ print_stag_header(header);
+ ret = EXIT_SUCCESS;
+ } else
+ ERR("Image checksum incorrect! Stored: 0x%X Calculated: 0x%X\n", header->image_checksum, checksum);
+ } else
+ ERR("STAG header checksum incorrect!");
+
+ header->cmark = cmark_tmp;
+ return ret;
+}
+
+static int check_sch2_header(char *buf, struct sch2_header *header)
+{
+
+ int ret = EXIT_FAILURE;
+
+ uint32_t crc32_tmp = header->header_crc32;
+ header->header_crc32 = 0;
+
+ if (crc32_tmp == crc32(0, (uint8_t *) header, header->header_length)) {
+ uint32_t crc32_val;
+ printf("Find proper SCH2 header at: 0x%lX!\n",
+ (char *)header - buf);
+
+ crc32_val =
+ crc32(0, (uint8_t *) header + header->header_length,
+ header->image_len);
+ if (header->image_crc32 == crc32_val) {
+ printf("Kernel checksum ok.\n");
+
+ header->header_crc32 = crc32_tmp;
+ print_sch2_header(header);
+ ret = EXIT_SUCCESS;
+ } else
+ ERR("Kernel checksum incorrect! Stored: 0x%X Calculated: 0x%X\n", header->image_crc32, crc32_val);
+
+ } else
+ ERR("SCH2 header checksum incorrect!");
+
+ header->header_crc32 = crc32_tmp;
+ return ret;
+}
+
+static int inspect_fw(void)
+{
+ char *buf;
+ struct stag_header *stag_header_kernel;
+ struct sch2_header *sch2_header_kernel;
+ int ret = EXIT_FAILURE;
+
+ buf = malloc(inspect_info.file_size);
+ if (!buf) {
+ ERR("no memory for buffer!\n");
+ goto out;
+ }
+
+ ret = read_to_buf(&inspect_info, buf);
+ if (ret)
+ goto out_free_buf;
+
+ ret = find_auh_headers(buf);
+ if (ret)
+ goto out_free_buf;
+
+ stag_header_kernel = (struct stag_header *)(buf + AUH_SIZE);
+
+ ret = check_stag_header(buf, stag_header_kernel);
+ if (ret)
+ goto out_free_buf;
+
+ sch2_header_kernel = (struct sch2_header *)(buf + AUH_SIZE + STAG_SIZE);
+
+ ret = check_sch2_header(buf, sch2_header_kernel);
+ if (ret)
+ goto out_free_buf;
+
+ out_free_buf:
+ free(buf);
+ out:
+ return ret;
+}
+
+static int check_options(void)
+{
+ int ret;
+
+ if (inspect_info.file_name) {
+ ret = get_file_stat(&inspect_info);
+ if (ret)
+ return ret;
+
+ return 0;
+ }
+
+ return 0;
+}
+
+int fill_sch2(struct sch2_header *header, char *kernel_ptr, char *rootfs_ptr)
+{
+
+ header->magic = SCH2_MAGIC;
+ header->cp_type = LZMA;
+ header->version = SCH2_VER;
+ header->ram_addr = RAM_LOAD_ADDR;
+ header->image_len = kernel_info.file_size;
+ header->image_crc32 = crc32(0, (uint8_t *) kernel_ptr, kernel_info.file_size);
+ header->start_addr = RAM_ENTRY_ADDR;
+ header->rootfs_addr =
+ JBOOT_SIZE + STAG_SIZE + SCH2_SIZE + kernel_info.file_size;
+ header->rootfs_len = rootfs_info.file_size;
+ header->rootfs_crc32 = crc32(0, (uint8_t *) rootfs_ptr, rootfs_info.file_size);
+ header->header_crc32 = 0;
+ header->header_length = SCH2_SIZE;
+ header->cmd_line_length = 0;
+
+ header->header_crc32 = crc32(0, (uint8_t *) header, header->header_length);
+
+ return EXIT_SUCCESS;
+}
+
+int fill_stag(struct stag_header *header, uint32_t length)
+{
+ header->cmark = STAG_ID;
+ header->id = STAG_ID;
+ header->magic = STAG_MAGIC;
+ header->time_stamp = jboot_timestamp();
+ header->image_length = length + SCH2_SIZE;
+ header->image_checksum =
+ jboot_checksum(0, (uint16_t *) ((char *)header + STAG_SIZE),
+ header->image_length);
+ header->tag_checksum =
+ ~jboot_checksum(0, (uint16_t *) header, STAG_SIZE - 2);
+
+ if (image_type == FACTORY)
+ header->cmark = STAG_CMARK_FACTORY;
+
+ return EXIT_SUCCESS;
+};
+
+int fill_auh(struct auh_header *header, uint32_t length)
+{
+ memcpy(header->rom_id, rom_id, 12);
+ header->derange = 0;
+ header->image_checksum =
+ jboot_checksum(0, (uint16_t *) ((char *)header + AUH_SIZE), length);
+ header->space1 = 0;
+ header->space2 = 0;
+ header->space3 = 0;
+ header->lpvs = AUH_LVPS;
+ header->mbz = 0;
+ header->time_stamp = jboot_timestamp();
+ header->erase_start = JBOOT_SIZE;
+ header->erase_length = firmware_size;
+ header->data_offset = JBOOT_SIZE;
+ header->data_length = length;
+ header->space4 = 0;
+ header->space5 = 0;
+ header->space6 = 0;
+ header->space7 = 0;
+ header->header_id = AUH_HDR_ID;
+ header->header_version = AUH_HDR_VER;
+ header->space8 = 0;
+ header->section_id = AUH_SEC_ID;
+ header->image_info_type = AUH_INFO_TYPE;
+ header->image_info_offset = 0;
+ header->family_member = family_member;
+ header->header_checksum =
+ ~jboot_checksum(0, (uint16_t *) header, AUH_SIZE - 2);
+
+ return EXIT_SUCCESS;
+}
+
+int build_fw(void)
+{
+ char *buf;
+ char *kernel_ptr;
+ char *rootfs_ptr;
+ int ret = EXIT_FAILURE;
+ int writelen;
+
+ struct stag_header *stag_header_kernel;
+ struct sch2_header *sch2_header_kernel;
+
+ if (!kernel_info.file_name | !rootfs_info.file_name)
+ goto out;
+
+ ret = get_file_stat(&kernel_info);
+ if (ret)
+ goto out;
+ ret = get_file_stat(&rootfs_info);
+ if (ret)
+ goto out;
+
+ buf = malloc(firmware_size);
+ if (!buf) {
+ ERR("no memory for buffer\n");
+ goto out;
+ }
+
+ if (rootfs_info.file_size + kernel_info.file_size + ALL_HEADERS_SIZE >
+ firmware_size) {
+ ERR("data is bigger than firmware_size!\n");
+ goto out;
+ }
+
+ memset(buf, 0xff, firmware_size);
+
+ stag_header_kernel = (struct stag_header *)buf;
+
+ sch2_header_kernel =
+ (struct sch2_header *)((char *)stag_header_kernel + STAG_SIZE);
+ kernel_ptr = (char *)sch2_header_kernel + SCH2_SIZE;
+
+ ret = read_to_buf(&kernel_info, kernel_ptr);
+ if (ret)
+ goto out_free_buf;
+
+ rootfs_ptr = kernel_ptr + kernel_info.file_size;
+
+ ret = read_to_buf(&rootfs_info, rootfs_ptr);
+ if (ret)
+ goto out_free_buf;
+
+ writelen = rootfs_ptr + rootfs_info.file_size - buf;
+
+ fill_sch2(sch2_header_kernel, kernel_ptr, rootfs_ptr);
+ fill_stag(stag_header_kernel, kernel_info.file_size);
+
+ ret = write_fw(ofname, buf, writelen);
+ if (ret)
+ goto out_free_buf;
+
+ ret = EXIT_SUCCESS;
+
+ out_free_buf:
+ free(buf);
+ out:
+ return ret;
+}
+
+int wrap_fw(void)
+{
+ char *buf;
+ char *image_ptr;
+ int ret = EXIT_FAILURE;
+ int writelen;
+
+ struct auh_header *auh_header_kernel;
+
+ if (!image_info.file_name)
+ goto out;
+
+ ret = get_file_stat(&image_info);
+ if (ret)
+ goto out;
+
+ buf = malloc(firmware_size);
+ if (!buf) {
+ ERR("no memory for buffer\n");
+ goto out;
+ }
+
+ if (image_info.file_size + AUH_SIZE >
+ firmware_size) {
+ ERR("data is bigger than firmware_size!\n");
+ goto out;
+ }
+ if (!family_member) {
+ ERR("No family_member!\n");
+ goto out;
+ }
+ if (!(rom_id[0])) {
+ ERR("No rom_id!\n");
+ goto out;
+ }
+ memset(buf, 0xff, firmware_size);
+
+ image_ptr = (char *)(buf + AUH_SIZE);
+
+ ret = read_to_buf(&image_info, image_ptr);
+ if (ret)
+ goto out_free_buf;
+
+ writelen = image_ptr + image_info.file_size - buf;
+
+ auh_header_kernel = (struct auh_header *)buf;
+ fill_auh(auh_header_kernel, writelen - AUH_SIZE);
+
+ ret = write_fw(ofname, buf, writelen);
+ if (ret)
+ goto out_free_buf;
+
+ ret = EXIT_SUCCESS;
+
+ out_free_buf:
+ free(buf);
+ out:
+ return ret;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = EXIT_FAILURE;
+
+ progname = basename(argv[0]);
+ image_type = SYSUPGRADE;
+ family_member = 0;
+ firmware_size = 0;
+
+ while (1) {
+ int c;
+
+ c = getopt(argc, argv, "f:F:i:hk:m:o:r:s:");
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'f':
+ sscanf(optarg, "0x%hx", &family_member);
+ break;
+ case 'F':
+ image_info.file_name = optarg;
+ image_type = FACTORY;
+ break;
+ case 'i':
+ inspect_info.file_name = optarg;
+ break;
+ case 'k':
+ kernel_info.file_name = optarg;
+ break;
+ case 'm':
+ if (strlen(optarg) == 12)
+ memcpy(rom_id, optarg, 12);
+ break;
+ case 'r':
+ rootfs_info.file_name = optarg;
+ break;
+ case 'o':
+ ofname = optarg;
+ break;
+ case 's':
+ sscanf(optarg, "0x%x", &firmware_size);
+ break;
+ default:
+ usage(EXIT_FAILURE);
+ break;
+ }
+ }
+
+ ret = check_options();
+ if (ret)
+ goto out;
+
+ if (!inspect_info.file_name) {
+ if (image_type == FACTORY)
+ ret = wrap_fw();
+ else
+ ret = build_fw();
+ }
+ else
+ ret = inspect_fw();
+
+ out:
+ return ret;
+
+}
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