ar71xx: add support for Buffalo BHR-4GRV2

Signed-off-by: FUKAUMI Naoki <naobsd@gmail.com>

2 files changed, 224 insertions, 0 deletions

diff --git a/tools/firmware-utils/Makefile b/tools/firmware-utils/Makefile
index 320d1db527..1cfc8856b1 100644
--- a/tools/firmware-utils/Makefile
+++ b/tools/firmware-utils/Makefile
@@ -77,6 +77,7 @@ define Host/Compile
 	$(call cc,mkmerakifw sha1, -Wall)
 	$(call cc,mkmerakifw-old, -Wall)
 	$(call cc,jcgimage, -lz -Wall)
+	$(call cc,mkbuffaloimg, -Wall)
 endef
 
 define Host/Install
diff --git a/tools/firmware-utils/src/mkbuffaloimg.c b/tools/firmware-utils/src/mkbuffaloimg.c
new file mode 100644
index 0000000000..364dda005b
--- /dev/null
+++ b/tools/firmware-utils/src/mkbuffaloimg.c
@@ -0,0 +1,223 @@
+/*
+ *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2016 FUKAUMI Naoki <naobsd@gmail.com>
+ *
+ *  Based on mkdniimg.c
+ *
+ *  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 <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 <errno.h>
+#include <sys/stat.h>
+
+#define DNI_HDR_LEN	128
+
+/*
+ * Globals
+ */
+static char *ifname;
+static char *progname;
+static char *ofname;
+static char *version = "0.00_0.00";
+static char *region = "JP";
+static char *rootfs_size;
+static char *kernel_size;
+
+static char *board_id;
+/*
+ * Message macros
+ */
+#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)
+
+void usage(int status)
+{
+	FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
+
+	fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
+	fprintf(stream,
+"\n"
+"Options:\n"
+"  -B <board>       create image for the board specified with <board>\n"
+"  -i <file>        read input from the file <file>\n"
+"  -o <file>        write output to the file <file>\n"
+"  -v <version>     set image version to <version>\n"
+"  -r <region>      set image region to <region>\n"
+"  -R <rootfs_size> set RootfsSize to <rootfs_size>\n"
+"  -K <kernel_size> set KernelSize to <kernel_size>\n"
+"  -h               show this screen\n"
+	);
+
+	exit(status);
+}
+
+int main(int argc, char *argv[])
+{
+	int res = EXIT_FAILURE;
+	int buflen;
+	int err;
+	struct stat st;
+	char *buf;
+	int i;
+	uint8_t csum;
+
+	FILE *outfile, *infile;
+
+	progname = basename(argv[0]);
+
+	while ( 1 ) {
+		int c;
+
+		c = getopt(argc, argv, "B:i:o:v:r:R:K:h");
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'B':
+			board_id = optarg;
+			break;
+		case 'i':
+			ifname = optarg;
+			break;
+		case 'o':
+			ofname = optarg;
+			break;
+		case 'v':
+			version = optarg;
+			break;
+		case 'r':
+			region = optarg;
+			break;
+		case 'R':
+			rootfs_size = optarg;
+			break;
+		case 'K':
+			kernel_size = optarg;
+			break;
+		case 'h':
+			usage(EXIT_SUCCESS);
+			break;
+		default:
+			usage(EXIT_FAILURE);
+			break;
+		}
+	}
+
+	if (board_id == NULL) {
+		ERR("no board specified");
+		goto err;
+	}
+
+	if (rootfs_size == NULL) {
+		ERR("no rootfs_size specified");
+		goto err;
+	}
+
+	if (kernel_size == NULL) {
+		ERR("no kernel_size specified");
+		goto err;
+	}
+
+	if (ifname == NULL) {
+		ERR("no input file specified");
+		goto err;
+	}
+
+	if (ofname == NULL) {
+		ERR("no output file specified");
+		goto err;
+	}
+
+	err = stat(ifname, &st);
+	if (err){
+		ERRS("stat failed on %s", ifname);
+		goto err;
+	}
+
+	buflen = st.st_size + DNI_HDR_LEN + 1;
+	buf = malloc(buflen);
+	if (!buf) {
+		ERR("no memory for buffer\n");
+		goto err;
+	}
+
+	memset(buf, 0, DNI_HDR_LEN);
+	snprintf(buf, DNI_HDR_LEN, "device:%s\nversion:%s\nregion:%s\n"
+		 "RootfsSize:%s\nKernelSize:%s\nInfoHeadSize:128\n",
+		 board_id, version, region, rootfs_size, kernel_size);
+	buf[DNI_HDR_LEN - 2] = 0x12;
+	buf[DNI_HDR_LEN - 1] = 0x32;
+
+	infile = fopen(ifname, "r");
+	if (infile == NULL) {
+		ERRS("could not open \"%s\" for reading", ifname);
+		goto err_free;
+	}
+
+	errno = 0;
+	fread(buf +  DNI_HDR_LEN, st.st_size, 1, infile);
+	if (errno != 0) {
+		ERRS("unable to read from file %s", ifname);
+		goto err_close_in;
+	}
+
+	csum = 0;
+	for (i = 0; i < (st.st_size + DNI_HDR_LEN); i++)
+		csum += buf[i];
+
+	csum = 0xff - csum;
+	buf[st.st_size + DNI_HDR_LEN] = csum;
+
+	outfile = fopen(ofname, "w");
+	if (outfile == NULL) {
+		ERRS("could not open \"%s\" for writing", ofname);
+		goto err_close_in;
+	}
+
+	errno = 0;
+	fwrite(buf, buflen, 1, outfile);
+	if (errno) {
+		ERRS("unable to write to file %s", ofname);
+		goto err_close_out;
+	}
+
+	res = EXIT_SUCCESS;
+
+	fflush(outfile);
+
+ err_close_out:
+	fclose(outfile);
+	if (res != EXIT_SUCCESS) {
+		unlink(ofname);
+	}
+
+ err_close_in:
+	fclose(infile);
+
+ err_free:
+	free(buf);
+
+ err:
+	return res;
+}