buld images for the Ubiquiti LiteStation and NanoStation ported from http://atheros.openwrt.net. Tested on a Nanostation 2 with airos 3

SVN-Revision: 11061

1 files changed, 394 insertions, 0 deletions

diff --git a/tools/firmware-utils/src/mkfwimage.c b/tools/firmware-utils/src/mkfwimage.c
new file mode 100644
index 0000000..372a0b5
--- /dev/null
+++ b/tools/firmware-utils/src/mkfwimage.c
@@ -0,0 +1,394 @@
+/*
+ * Copyright (C) 2007 Ubiquiti Networks, Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <zlib.h>
+#include <sys/mman.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#include "fw.h"
+
+typedef struct part_data {
+	char 	partition_name[64];
+	int  	partition_index;
+	u_int32_t	partition_baseaddr;
+	u_int32_t	partition_memaddr;
+	u_int32_t	partition_entryaddr;
+	u_int32_t  partition_length;
+
+	char	filename[PATH_MAX];
+	struct stat stats;
+} part_data_t;
+
+#define MAX_SECTIONS	8
+#define DEFAULT_OUTPUT_FILE 	"firmware-image.bin"
+#define DEFAULT_VERSION		"UNKNOWN"
+
+#define OPTIONS "hv:o:i:"
+
+static int debug = 0;
+
+typedef struct image_info {
+	char version[256];
+	char outputfile[PATH_MAX];
+	u_int32_t	part_count;
+	part_data_t parts[MAX_SECTIONS]; 
+} image_info_t;
+
+static void write_header(void* mem, const char* version)
+{
+	header_t* header = mem;
+	memset(header, 0, sizeof(header_t));
+
+	memcpy(header->magic, MAGIC_HEADER, MAGIC_LENGTH);
+	strncpy(header->version, version, sizeof(header->version));
+	header->crc = htonl(crc32(0L, (unsigned char *)header,
+				sizeof(header_t) - 2 * sizeof(u_int32_t)));
+	header->pad = 0L;
+}
+
+
+static void write_signature(void* mem, u_int32_t sig_offset)
+{
+	/* write signature */
+	signature_t* sign = (signature_t*)(mem + sig_offset);
+	memset(sign, 0, sizeof(signature_t));
+
+	memcpy(sign->magic, MAGIC_END, MAGIC_LENGTH);
+	sign->crc = htonl(crc32(0L,(unsigned char *)mem, sig_offset));
+	sign->pad = 0L;
+}
+
+static int write_part(void* mem, part_data_t* d)
+{
+	char* addr;
+	int fd;
+	part_t* p = mem;
+	part_crc_t* crc = mem + sizeof(part_t) + d->stats.st_size;
+
+	fd = open(d->filename, O_RDONLY);
+	if (fd < 0)
+	{
+		ERROR("Failed opening file '%s'\n", d->filename);
+		return -1;
+	}
+
+	if ((addr=(char*)mmap(0, d->stats.st_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED)
+	{
+		ERROR("Failed mmaping memory for file '%s'\n", d->filename);
+		close(fd);
+		return -2;
+	}
+
+	memcpy(mem + sizeof(part_t), addr, d->stats.st_size);
+	munmap(addr, d->stats.st_size);
+
+	memset(p->name, 0, sizeof(p->name));
+	strncpy(p->magic, MAGIC_PART, MAGIC_LENGTH);
+	strncpy(p->name, d->partition_name, sizeof(p->name));
+	p->index = htonl(d->partition_index);
+	p->data_size = htonl(d->stats.st_size);
+	p->part_size = htonl(d->partition_length);
+	p->baseaddr = htonl(d->partition_baseaddr);
+	p->memaddr = htonl(d->partition_memaddr);
+	p->entryaddr = htonl(d->partition_entryaddr);
+
+	crc->crc = htonl(crc32(0L, mem, d->stats.st_size + sizeof(part_t)));
+	crc->pad = 0L;
+
+	return 0;
+}
+
+static void usage(const char* progname)
+{
+	INFO("Version %s\n"
+             "Usage: %s [options]\n"
+	     "\t-v <version string>\t - firmware version information, default: %s\n"
+	     "\t-o <output file>\t - firmware output file, default: %s\n"
+	     "\t-i <input file>\t\t - firmware layout file, default: none\n"
+	     "\t-h\t\t\t - this help\n", VERSION,
+	     progname, DEFAULT_VERSION, DEFAULT_OUTPUT_FILE);
+}
+
+static void print_image_info(const image_info_t* im)
+{
+	int i = 0;
+	INFO("Firmware version: '%s'\n"
+	     "Output file: '%s'\n"
+	     "Part count: %u\n",
+	     im->version, im->outputfile,
+	     im->part_count);
+
+	for (i = 0; i < im->part_count; ++i)
+	{
+		const part_data_t* d = &im->parts[i];
+		INFO(" %10s: %8ld bytes (free: %8ld)\n",
+		     d->partition_name,
+		     d->stats.st_size,
+		     d->partition_length - d->stats.st_size);
+	}
+}
+
+
+
+/**
+ * Image layout file format:
+ *
+ * <partition name>\t<partition index>\t<partition size>\t<data file name>
+ *
+ */
+static int parse_image_layout(const char* layoutfile, image_info_t* im)
+{
+	int fd = 0;
+	char line[1028];
+	FILE* f;
+
+	im->part_count = 0;
+
+	fd = open(layoutfile, O_RDONLY);
+	if (fd < 0) {
+		ERROR("Could not open file '%s'\n", layoutfile);
+		return -1;
+	}
+
+	f = fdopen(fd, "r");
+	if (f == NULL) {
+		close(fd);
+		return -2;
+	}
+
+	while (!feof(f))
+	{
+		char name[32];
+		u_int32_t index;
+		u_int32_t baseaddr;
+		u_int32_t size;
+		u_int32_t memaddr;
+		u_int32_t entryaddr;
+		char file[PATH_MAX];
+		u_int32_t c;
+		part_data_t* d;
+
+		if (fgets(line, sizeof(line), f) == NULL)
+			break;
+
+		// TODO: very inconvenient format, use smarter parsing someday
+		if ((c = sscanf(line, "%32[^\t]\t%X\t%X\t%X\t%X\t%X\t%128[^\t\n]", name, &index, &baseaddr, &size, &memaddr, &entryaddr, file)) != 7)
+		    	continue;
+
+		DEBUG("%s\t\t0x%02X\t0x%08X\t0x%08X\t0x%08X\t0x%08X\t%s\n", name, index, baseaddr, size, memaddr, entryaddr, file);
+
+		c = im->part_count;
+		if (c == MAX_SECTIONS)
+			break;
+
+		d = &im->parts[c];
+		strncpy(d->partition_name, name, sizeof(d->partition_name));
+		d->partition_index = index;
+		d->partition_baseaddr = baseaddr;
+		d->partition_length = size;
+		d->partition_memaddr = memaddr;
+		d->partition_entryaddr = entryaddr;
+		strncpy(d->filename, file, sizeof(d->filename));
+
+		im->part_count++;
+	}
+
+	fclose(f);
+
+	return 0;
+}
+
+/**
+ * Checks the availability and validity of all image components. 
+ * Fills in stats member of the part_data structure.
+ */
+static int validate_image_layout(image_info_t* im)
+{
+	int i;
+
+	if (im->part_count == 0 || im->part_count > MAX_SECTIONS)
+	{
+		ERROR("Invalid part count '%d'\n", im->part_count);
+		return -1;
+	}
+
+	for (i = 0; i < im->part_count; ++i)
+	{
+		part_data_t* d = &im->parts[i];
+		int len = strlen(d->partition_name);
+		if (len == 0 || len > 16)
+		{
+			ERROR("Invalid partition name '%s' of the part %d\n",
+					d->partition_name, i);
+			return -1;
+		}
+		if (stat(d->filename, &d->stats) < 0)
+		{
+			ERROR("Couldn't stat file '%s' from part '%s'\n",
+				       	d->filename, d->partition_name);
+			return -2;
+		}
+		if (d->stats.st_size == 0)
+		{
+			ERROR("File '%s' from part '%s' is empty!\n",
+				       	d->filename, d->partition_name);
+			return -3;
+		}
+		if (d->stats.st_size > d->partition_length) {
+			ERROR("File '%s' too big (%d) - max size: 0x%08X (exceeds %lu bytes)\n",
+				       	d->filename, i, d->partition_length, 
+					d->stats.st_size - d->partition_length);
+			return -4;
+		}
+	}
+
+	return 0;
+}
+
+static int build_image(image_info_t* im)
+{
+	char* mem;
+	char* ptr;
+	u_int32_t mem_size;
+	FILE* f;
+	int i;
+
+	// build in-memory buffer
+	mem_size = sizeof(header_t) + sizeof(signature_t);
+	for (i = 0; i < im->part_count; ++i)
+	{
+		part_data_t* d = &im->parts[i];
+		mem_size += sizeof(part_t) + d->stats.st_size + sizeof(part_crc_t);
+	}
+
+	mem = (char*)calloc(mem_size, 1);
+	if (mem == NULL)
+	{
+		ERROR("Cannot allocate memory chunk of size '%u'\n", mem_size);
+		return -1;
+	}
+
+	// write header
+	write_header(mem, im->version);
+	ptr = mem + sizeof(header_t);
+	// write all parts
+	for (i = 0; i < im->part_count; ++i)
+	{
+		part_data_t* d = &im->parts[i];
+		int rc;
+		if ((rc = write_part(ptr, d)) != 0)
+		{
+			ERROR("ERROR: failed writing part %u '%s'\n", i, d->partition_name);
+		}
+		ptr += sizeof(part_t) + d->stats.st_size + sizeof(part_crc_t);
+	}
+	// write signature
+	write_signature(mem, mem_size - sizeof(signature_t));
+
+	// write in-memory buffer into file
+	if ((f = fopen(im->outputfile, "w")) == NULL)
+	{
+		ERROR("Can not create output file: '%s'\n", im->outputfile);
+		return -10;
+	}
+
+	if (fwrite(mem, mem_size, 1, f) != 1)
+	{
+		ERROR("Could not write %d bytes into file: '%s'\n", 
+				mem_size, im->outputfile);
+		return -11;
+	}
+
+	free(mem);
+	fclose(f);
+	return 0;
+}
+
+
+int main(int argc, char* argv[])
+{
+	char inputfile[PATH_MAX];
+	int o, rc;
+	image_info_t im;
+
+	memset(&im, 0, sizeof(im));
+	memset(inputfile, 0, sizeof(inputfile));
+
+	strcpy(im.outputfile, DEFAULT_OUTPUT_FILE);
+	strcpy(im.version, DEFAULT_VERSION);
+
+	while ((o = getopt(argc, argv, OPTIONS)) != -1)
+	{
+		switch (o) {
+		case 'v':
+			if (optarg)
+				strncpy(im.version, optarg, sizeof(im.version));
+			break;
+		case 'o':
+			if (optarg)
+				strncpy(im.outputfile, optarg, sizeof(im.outputfile));
+			break;
+		case 'i':
+			if (optarg)
+				strncpy(inputfile, optarg, sizeof(inputfile));
+			break;
+		case 'h':
+			usage(argv[0]);
+			return -1;
+		}
+	}
+
+	if (strlen(inputfile) == 0)
+	{
+		ERROR("Input file is not specified, cannot continue\n");
+		usage(argv[0]);
+		return -2;
+	}
+
+	if ((rc = parse_image_layout(inputfile, &im)) != 0)
+	{
+		ERROR("Failed parsing firmware layout file '%s' - error code: %d\n", 
+			inputfile, rc);
+		return -3;
+	}
+
+	if ((rc = validate_image_layout(&im)) != 0)
+	{
+		ERROR("Failed validating firmware layout - error code: %d\n", rc);
+		return -4;
+	}
+
+	print_image_info(&im);
+
+	if ((rc = build_image(&im)) != 0)
+	{
+		ERROR("Failed building image file '%s' - error code: %d\n", im.outputfile, rc);
+		return -5;
+	}
+
+	return 0;
+}