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authorPetr Štetiar <ynezz@true.cz>2021-07-05 11:54:26 +0200
committerRafał Miłecki <rafal@milecki.pl>2021-10-05 16:20:10 +0200
commit8cc9a74a3f6bf363645efda6db417f8dadd3d844 (patch)
tree68f1648a077df8e49328f087eccaf94c2e47d1e8 /tools/firmware-utils/src/mkchkimg.c
parentf82c93b93c0a021921ac7a30ba6e7a090c7ddd1c (diff)
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firmware-utils: update to version 2021-10-05
Includes following changes: db65821f006c cmake: fix missing install target 3a0cfc856991 Add initial GitLab CI support 8f47adea6f87 Add missing includes for byte swap operations fbafae9f8037 Convert to CMake based project Additionaly moves source code into separate Git project repository and converts the package build to utilize CMake. Signed-off-by: Petr Štetiar <ynezz@true.cz> [rmilecki: rebase, update to the latest repo git & rm -r src] Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'tools/firmware-utils/src/mkchkimg.c')
-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;
-}
-