[LEDE-DEV] [PATCH 1/3] firmware-utils: improve tools for Buffalo DHP series
FUKAUMI Naoki
naobsd at gmail.com
Wed Dec 14 09:41:36 PST 2016
some of Buffalo DHP series use slightly different trx magic, buffalo-tag,
and factory image begin with 'bgn'.
this patch adds support for building those images.
Signed-off-by: FUKAUMI Naoki <naobsd at gmail.com>
---
tools/firmware-utils/Makefile | 1 +
tools/firmware-utils/src/buffalo-tag.c | 29 ++++++++---
tools/firmware-utils/src/mkdhpimg.c | 94 ++++++++++++++++++++++++++++++++++
tools/firmware-utils/src/trx.c | 13 ++++-
4 files changed, 128 insertions(+), 9 deletions(-)
create mode 100644 tools/firmware-utils/src/mkdhpimg.c
diff --git a/tools/firmware-utils/Makefile b/tools/firmware-utils/Makefile
index 456b7a3..8a0d13f 100644
--- a/tools/firmware-utils/Makefile
+++ b/tools/firmware-utils/Makefile
@@ -79,6 +79,7 @@ define Host/Compile
$(call cc,jcgimage, -lz -Wall)
$(call cc,mkbuffaloimg, -Wall)
$(call cc,zyimage, -Wall)
+ $(call cc,mkdhpimg buffalo-lib, -Wall)
endef
define Host/Install
diff --git a/tools/firmware-utils/src/buffalo-tag.c b/tools/firmware-utils/src/buffalo-tag.c
index b5db72e..63bc6d3 100644
--- a/tools/firmware-utils/src/buffalo-tag.c
+++ b/tools/firmware-utils/src/buffalo-tag.c
@@ -7,6 +7,7 @@
*
*/
+#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
@@ -48,6 +49,7 @@ static uint32_t base2;
static char *region_code;
static uint32_t region_mask;
static int num_regions;
+static int dhp;
void usage(int status)
{
@@ -63,6 +65,7 @@ void usage(int status)
" -d <base2>\n"
" -f <flag> set flag to <flag>\n"
" -i <file> read input from the file <file>\n"
+" -I <file> read input from the file <file> for DHP series\n"
" -l <language> set language to <language>\n"
" -m <version> set minor version to <version>\n"
" -o <file> write output to the file <file>\n"
@@ -177,11 +180,17 @@ static void fixup_tag(unsigned char *buf, ssize_t buflen)
memcpy(tag->region_code, region_code, 2);
}
- tag->len = htonl(buflen);
- tag->data_len = htonl(fsize[0]);
- tag->base1 = htonl(base1);
- tag->base2 = htonl(base2);
- tag->flag = flag;
+ if (dhp) {
+ tag->len = htonl(buflen + 200);
+ tag->base1 = htonl(buflen);
+ tag->base2 = htonl(0x01000000);
+ } else {
+ tag->len = htonl(buflen);
+ tag->data_len = htonl(fsize[0]);
+ tag->base1 = htonl(base1);
+ tag->base2 = htonl(base2);
+ tag->flag = flag;
+ }
if (hwver) {
memcpy(tag->hwv, "hwv", 3);
@@ -270,7 +279,10 @@ static int tag_file(void)
offset += fsize[i];
}
- if (num_files == 1)
+ if (dhp) {
+ buflen = offsetof(struct buffalo_tag, data_len);
+ fixup_tag(buf, fsize[0]);
+ } else if (num_files == 1)
fixup_tag(buf, buflen);
else
fixup_tag2(buf, buflen);
@@ -299,7 +311,7 @@ int main(int argc, char *argv[])
while ( 1 ) {
int c;
- c = getopt(argc, argv, "a:b:c:d:f:hi:l:m:o:p:r:sv:w:");
+ c = getopt(argc, argv, "a:b:c:d:f:hi:l:m:o:p:r:sv:w:I:");
if (c == -1)
break;
@@ -319,6 +331,9 @@ int main(int argc, char *argv[])
case 'f':
flag = strtoul(optarg, NULL, 2);
break;
+ case 'I':
+ dhp = 1;
+ /* FALLTHROUGH */
case 'i':
err = process_ifname(optarg);
if (err)
diff --git a/tools/firmware-utils/src/mkdhpimg.c b/tools/firmware-utils/src/mkdhpimg.c
new file mode 100644
index 0000000..775e512
--- /dev/null
+++ b/tools/firmware-utils/src/mkdhpimg.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2016 FUKAUMI Naoki <naobsd at gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#include <sys/stat.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "buffalo-lib.h"
+
+#define DHP_HEADER_SIZE 20
+
+static char *progname;
+
+static void
+usage(void)
+{
+
+ fprintf(stderr, "usage: %s <tag> <trx> <out>\n", progname);
+ exit(EXIT_FAILURE);
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct stat tag_st, trx_st;
+ size_t size;
+ uint32_t crc;
+ int tag, trx, out;
+ uint8_t *buf;
+
+ progname = argv[0];
+
+ if (argc != 4)
+ usage();
+
+ if ((tag = open(argv[1], O_RDONLY)) == -1)
+ err(EXIT_FAILURE, "%s", argv[1]);
+
+ if (fstat(tag, &tag_st) == -1)
+ err(EXIT_FAILURE, "%s", argv[1]);
+
+ if ((trx = open(argv[2], O_RDONLY)) == -1)
+ err(EXIT_FAILURE, "%s", argv[2]);
+
+ if (fstat(trx, &trx_st) == -1)
+ err(EXIT_FAILURE, "%s", argv[2]);
+
+ size = DHP_HEADER_SIZE + tag_st.st_size + trx_st.st_size;
+
+ if ((buf = malloc(size)) == NULL)
+ err(EXIT_FAILURE, "malloc");
+
+ memset(buf, 0, DHP_HEADER_SIZE);
+ buf[0x0] = 0x62;
+ buf[0x1] = 0x67;
+ buf[0x2] = 0x6e;
+ buf[0xb] = 0xb1;
+ buf[0xc] = (size >> 24) & 0xff;
+ buf[0xd] = (size >> 16) & 0xff;
+ buf[0xe] = (size >> 8) & 0xff;
+ buf[0xf] = size & 0xff;
+
+ read(tag, &buf[DHP_HEADER_SIZE], tag_st.st_size);
+ close(tag);
+
+ read(trx, &buf[DHP_HEADER_SIZE + tag_st.st_size], trx_st.st_size);
+ close(trx);
+
+ crc = buffalo_crc(buf, size);
+ buf[0x10] = (crc >> 24) & 0xff;
+ buf[0x11] = (crc >> 16) & 0xff;
+ buf[0x12] = (crc >> 8) & 0xff;
+ buf[0x13] = crc & 0xff;
+
+ if ((out = open(argv[3], O_WRONLY | O_CREAT | O_TRUNC, 0644)) == -1)
+ err(EXIT_FAILURE, "%s", argv[3]);
+ write(out, buf, size);
+ close(out);
+
+ free(buf);
+
+ return EXIT_SUCCESS;
+}
diff --git a/tools/firmware-utils/src/trx.c b/tools/firmware-utils/src/trx.c
index aa1f5be..dc5bb67 100644
--- a/tools/firmware-utils/src/trx.c
+++ b/tools/firmware-utils/src/trx.c
@@ -100,7 +100,7 @@ int main(int argc, char **argv)
int c, i, append = 0;
size_t n;
ssize_t n2;
- uint32_t cur_len, fsmark=0;
+ uint32_t cur_len, fsmark=0, magic;
unsigned long maxlen = TRX_MAX_LEN;
struct trx_header *p;
char trx_version = 1;
@@ -121,7 +121,7 @@ int main(int argc, char **argv)
in = NULL;
i = 0;
- while ((c = getopt(argc, argv, "-:2o:m:a:x:b:f:A:F:")) != -1) {
+ while ((c = getopt(argc, argv, "-:2o:m:a:x:b:f:A:F:M:")) != -1) {
switch (c) {
case '2':
/* take care that nothing was written to buf so far */
@@ -243,6 +243,15 @@ int main(int argc, char **argv)
}
break;
+ case 'M':
+ errno = 0;
+ magic = strtoul(optarg, &e, 0);
+ if (errno || (e == optarg) || *e) {
+ fprintf(stderr, "illegal numeric string\n");
+ usage();
+ }
+ p->magic = STORE32_LE(magic);
+ break;
default:
usage();
}
--
2.7.4
More information about the Lede-dev
mailing list