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-rw-r--r--tools/firmware-utils/src/mkchkimg.c331
1 files changed, 0 insertions, 331 deletions
diff --git a/tools/firmware-utils/src/mkchkimg.c b/tools/firmware-utils/src/mkchkimg.c
deleted file mode 100644
index b51eca9369..0000000000
--- a/tools/firmware-utils/src/mkchkimg.c
+++ /dev/null
@@ -1,331 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Make CHK Image
- *
- * This utility creates Netgear .chk files.
- *
- * Copyright (C) 2008 Dave C. Reeve <Dave.Reeve@dreeve.org>
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <arpa/inet.h>
-#include <unistd.h>
-
-#define BUF_LEN (2048)
-
-#define MAX_BOARD_ID_LEN (64)
-
-/*
- * Note on the reserved field of the chk_header:
- * OFW naming scheme is typically: DEVICENAME-VA.B.C.D_E.F.G.chk, with A-G
- * between 0 and 255. For instance: EX3700_EX3800-V1.0.0.58_1.0.38.chk
- * The reserved field works like this:
- * reserved[0]: region code. 1 for WW (WorldWide) and 2 for NA (North America)
- * reserved[1]: A
- * reserved[2]: B
- * reserved[3]: C
- * reserved[4]: D
- * reserved[5]: E
- * reserved[6]: F
- * reserved[7]: G
- */
-struct chk_header {
- uint32_t magic;
- uint32_t header_len;
- uint8_t reserved[8];
- uint32_t kernel_chksum;
- uint32_t rootfs_chksum;
- uint32_t kernel_len;
- uint32_t rootfs_len;
- uint32_t image_chksum;
- uint32_t header_chksum;
- /* char board_id[] - upto MAX_BOARD_ID_LEN */
-};
-
-static void __attribute__ ((format (printf, 2, 3)))
-fatal_error (int maybe_errno, const char * format, ...)
-{
- va_list ap;
-
- fprintf (stderr, "mkchkimg: ");
- va_start (ap, format);
- vfprintf (stderr, format, ap);
- va_end (ap);
-
- if (maybe_errno) {
- fprintf (stderr, ": %s\n", strerror (maybe_errno));
- } else {
- fprintf (stderr, "\n");
- }
-
- exit (EXIT_FAILURE);
-}
-
-static void __attribute__ ((format (printf, 1, 2)))
-message (const char * format, ...)
-{
- va_list ap;
-
- fprintf (stderr, "mkchkimg: ");
- va_start (ap, format);
- vfprintf (stderr, format, ap);
- va_end (ap);
- fprintf (stderr, "\n");
-}
-
-struct ngr_checksum {
- uint32_t c0;
- uint32_t c1;
-};
-
-static inline void
-netgear_checksum_init (struct ngr_checksum * c)
-{
- c->c0 = c->c1 = 0;
-}
-
-static inline void
-netgear_checksum_add (struct ngr_checksum * c, unsigned char * buf, size_t len)
-{
- size_t i;
-
- for (i=0; i<len; i++) {
- c->c0 += buf[i] & 0xff;
- c->c1 += c->c0;
- }
-}
-
-static inline unsigned long
-netgear_checksum_fini (struct ngr_checksum * c)
-{
- uint32_t b, checksum;
-
- b = (c->c0 & 65535) + ((c->c0 >> 16) & 65535);
- c->c0 = ((b >> 16) + b) & 65535;
- b = (c->c1 & 65535) + ((c->c1 >> 16) & 65535);
- c->c1 = ((b >> 16) + b) & 65535;
- checksum = ((c->c1 << 16) | c->c0);
- return checksum;
-}
-
-static void
-print_help (void)
-{
- fprintf (stderr, "Usage: mkchkimg -o output -k kernel [-f filesys] [-b board_id] [-r region]\n");
-}
-
-int
-main (int argc, char * argv[])
-{
- int opt;
- char * ptr;
- size_t len;
- size_t header_len;
- struct chk_header * hdr;
- struct ngr_checksum chk_part, chk_whole;
- char buf[BUF_LEN];
- char * output_file, * kern_file, * fs_file;
- FILE * out_fp, * kern_fp, * fs_fp;
- char * board_id;
- unsigned long region;
-
- /* Default values */
- board_id = "U12H072T00_NETGEAR";
- region = 1; /* 1=WW, 2=NA */
- output_file = NULL;
- kern_file = NULL;
- fs_file = NULL;
- fs_fp = NULL;
-
- while ((opt = getopt (argc, argv, ":b:r:k:f:o:h")) != -1) {
- switch (opt) {
- case 'b':
- /* Board Identity */
- if (strlen (optarg) > MAX_BOARD_ID_LEN) {
- fatal_error (0, "Board lenght exceeds %d",
- MAX_BOARD_ID_LEN);
- }
- board_id = optarg;
- break;
-
- case 'r':
- /* Region */
- errno = 0;
- region = strtoul (optarg, &ptr, 0);
- if (errno || ptr==optarg || *ptr!='\0') {
- fatal_error (0, "Cannot parse region %s", optarg);
- }
- if (region > 0xff) {
- fatal_error (0, "Region cannot exceed 0xff");
- }
- break;
-
- case 'k':
- /* Kernel */
- kern_file = optarg;
- break;
-
- case 'f':
- /* Filing System */
- fs_file = optarg;
- break;
-
- case 'o':
- /* Output file */
- output_file = optarg;
- break;
-
- case 'h':
- print_help ();
- return EXIT_SUCCESS;
-
- case ':':
- print_help ();
- fatal_error (0, "Option -%c missing argument", optopt);
- break;
-
- case '?':
- print_help ();
- fatal_error (0, "Unknown argument -%c", optopt);
- break;
-
- default:
- break;
- }
- }
-
- /* Check we have all the options expected */
- if (!kern_file) {
- print_help ();
- fatal_error (0, "Kernel file expected");
- }
- if (!output_file) {
- print_help ();
- fatal_error (0, "Output file required");
- }
- message ("Netgear CHK writer - v0.1");
-
- /* Open the input file */
- kern_fp = fopen (kern_file, "r");
- if (!kern_fp) {
- fatal_error (errno, "Cannot open %s", kern_file);
- }
-
- /* Open the fs file, if specified */
- if (fs_file) {
- fs_fp = fopen (fs_file, "r");
- if (!fs_fp) {
- fclose(kern_fp);
- fatal_error (errno, "Cannot open %s", fs_file);
- }
- }
-
- /* Open the output file */
- out_fp = fopen (output_file, "w+");
- if (!out_fp) {
- fclose(kern_fp);
- if (fs_fp) {
- fclose(fs_fp);
- }
- fatal_error (errno, "Cannot open %s", output_file);
- }
-
- /* Write zeros when the chk header will be */
- buf[0] = '\0';
- header_len = sizeof (struct chk_header) + strlen (board_id);
- if (fwrite (buf, 1, header_len, out_fp) != header_len) {
- fatal_error (errno, "Cannot write header");
- }
-
- /* Allocate storage for header, we fill in as we go */
- hdr = malloc (sizeof (struct chk_header));
- if (!hdr) {
- fatal_error (0, "malloc failed");
- }
- bzero (hdr, sizeof (struct chk_header));
-
- /* Fill in known values */
- hdr->magic = htonl (0x2a23245e);
- hdr->header_len = htonl(header_len);
- hdr->reserved[0] = (unsigned char)(region & 0xff);
- memset(&hdr->reserved[1], 99, sizeof(hdr->reserved) - 1);
-
- message (" Board Id: %s", board_id);
- message (" Region: %s", region == 1 ? "World Wide (WW)"
- : (region == 2 ? "North America (NA)" : "Unknown"));
-
- /* Copy the trx file, calculating the checksum as we go */
- netgear_checksum_init (&chk_part);
- netgear_checksum_init (&chk_whole);
- while (!feof (kern_fp)) {
- len = fread (buf, 1, BUF_LEN, kern_fp);
- if (len < 1) {
- break;
- }
- if (fwrite (buf, len, 1, out_fp) != 1) {
- fatal_error (errno, "Write error");
- }
- hdr->kernel_len += len;
- netgear_checksum_add (&chk_part, (unsigned char *)buf, len);
- netgear_checksum_add (&chk_whole, (unsigned char *)buf, len);
- }
- fclose(kern_fp);
- hdr->kernel_chksum = netgear_checksum_fini (&chk_part);
- message (" Kernel Len: %u", hdr->kernel_len);
- message ("Kernel Checksum: 0x%08x", hdr->kernel_chksum);
- hdr->kernel_len = htonl (hdr->kernel_len);
- hdr->kernel_chksum = htonl (hdr->kernel_chksum);
-
- /* Now copy the root fs, calculating the checksum as we go */
- if (fs_fp) {
- netgear_checksum_init (&chk_part);
- while (!feof (fs_fp)) {
- len = fread (buf, 1, BUF_LEN, fs_fp);
- if (len < 1) {
- break;
- }
- if (fwrite (buf, len, 1, out_fp) != 1) {
- fatal_error (errno, "Write error");
- }
- hdr->rootfs_len += len;
- netgear_checksum_add (&chk_part, (unsigned char *)buf, len);
- netgear_checksum_add (&chk_whole, (unsigned char *)buf, len);
- }
- fclose(fs_fp);
- hdr->rootfs_chksum = (netgear_checksum_fini (&chk_part));
- message (" Rootfs Len: %u", hdr->rootfs_len);
- message ("Rootfs Checksum: 0x%08x", hdr->rootfs_chksum);
- hdr->rootfs_len = htonl (hdr->rootfs_len);
- hdr->rootfs_chksum = htonl (hdr->rootfs_chksum);
- }
-
- /* Calcautate the image checksum */
- hdr->image_chksum = netgear_checksum_fini (&chk_whole);
- message (" Image Checksum: 0x%08x", hdr->image_chksum);
- hdr->image_chksum = htonl (hdr->image_chksum);
-
- /* Calculate the header checksum */
- netgear_checksum_init (&chk_part);
- netgear_checksum_add (&chk_part, (unsigned char *)hdr,
- sizeof (struct chk_header));
- netgear_checksum_add (&chk_part, (unsigned char *)board_id,
- strlen (board_id));
- hdr->header_chksum = htonl (netgear_checksum_fini (&chk_part));
-
- /* Finally rewind the output and write headers */
- rewind (out_fp);
- if (fwrite (hdr, sizeof (struct chk_header), 1, out_fp) != 1) {
- fatal_error (errno, "Cannot write header");
- }
- if (fwrite (board_id, strlen (board_id), 1, out_fp) != 1) {
- fatal_error (errno, "Cannot write board id");
- }
-
- /* Success */
- fclose(out_fp);
- return EXIT_SUCCESS;
-}
-
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