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/* zenutils - Utilities for working with creative firmwares.
* Copyright 2007 (c) Rasmus Ry <rasmus.ry{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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <iostream>
#include <sstream>
#include <getpot/getpot.hpp>
#include <file.h>
#include <firmware.h>
#include <utils.h>
static const char VERSION[] = "0.1";
void print_version()
{
std::cout
<< "firmware_make - Creates a Creative firmware archive." << std::endl
<< "Version " << VERSION << std::endl
<< "Copyright (c) 2007 Rasmus Ry" << std::endl;
}
void print_help()
{
print_version();
std::cout << std::endl
<< "Usage: firmware_make [command] [options]" << std::endl
<< std::endl
<< " Commands:" << std::endl
<< " -h,--help" << std::endl
<< " prints this message." << std::endl
<< " -m,--makefile [file]" << std::endl
<< " specifies the .mk file to build the firmware archive from."
<< std::endl << std::endl
<< " Options:" << std::endl
<< " -V,--verbose" << std::endl
<< " prints verbose messages." << std::endl
<< " -f,--firmware [file]" << std::endl
<< " specifies the output firmware file name" << std::endl
<< std::endl
;
}
dword get_tag_value(std::string tag)
{
if (tag[0] == '0' && tag[1] == 'x')
{
dword val = 0;
if (sscanf(tag.c_str(), "0x%08X", &val) == 1)
return val;
if (sscanf(tag.c_str(), "0x%08x", &val) == 1)
return val;
}
else
{
return shared::swap(*(dword*)&tag[0]);
}
return 0;
}
bool process_child(const GetPot& mkfile, const std::string& root, int index,
zen::firmware_entry& entry)
{
std::stringstream sstm;
sstm << root << "/" << index;
std::string var = sstm.str() + "/tag";
std::string tag = mkfile(var.c_str(), "");
var = sstm.str() + "/name";
std::string name = mkfile(var.c_str(), "");
var = sstm.str() + "/file";
std::string file = mkfile(var.c_str(), "");
if (file.empty() || tag.empty())
{
std::cerr << "Invalid file or tag for var: " << sstm.str()
<< std::endl;
return false;
}
shared::bytes buffer;
if (!shared::read_file(file, buffer))
{
std::cerr << "Failed to read the file: " << file << std::endl;
return false;
}
entry.get_bytes().clear();
entry.get_header().tag = get_tag_value(tag);
size_t contoff = entry.get_content_offset();
if (contoff)
{
entry.get_bytes().resize(contoff, 0);
if (!name.empty())
{
size_t endoff = entry.is_big_endian() ? 1 : 0;
for (int i = 0; i < name.size(); ++i)
entry.get_bytes()[i * 2 + endoff] = name[i];
}
}
entry.get_bytes().insert(entry.get_bytes().end(), buffer.begin(),
buffer.end());
entry.get_header().size = entry.get_bytes().size();
return true;
}
int process_arguments(int argc, char* argv[])
{
//--------------------------------------------------------------------
// Parse input variables.
//--------------------------------------------------------------------
GetPot cl(argc, argv);
if (cl.size() == 1 || cl.search(2, "-h", "--help"))
{
print_help();
return 1;
}
std::string makefile;
if (cl.search("-m") || cl.search("--makefile"))
makefile = cl.next("");
if (makefile.empty())
{
std::cerr << "Makefile must be specified." << std::endl;
return 2;
}
std::string firmware;
if (cl.search("-f") || cl.search("--firmware"))
firmware = cl.next("");
if (firmware.empty())
{
std::cerr << "Firmware must be specified." << std::endl;
return 3;
}
bool verbose = false;
if (cl.search("-V") || cl.search("--verbose"))
verbose = true;
GetPot mkfile(makefile.c_str());
if (verbose)
mkfile.print();
bool big_endian;
std::string endian = mkfile("endian", "little");
if (endian == "little")
{
big_endian = false;
}
else if (endian == "big")
{
big_endian = true;
}
else
{
std::cerr << "Invalid value of 'endian'" << std::endl;
return 4;
}
zen::firmware_archive archive(big_endian);
int childcount = mkfile("children/count", 0);
if (!childcount)
{
std::cerr << "A firmware archive must have at least one child entry."
<< std::endl;
return 5;
}
for (int i = 0; i < childcount; i++)
{
zen::firmware_entry entry(big_endian);
if (!process_child(mkfile, "children", i, entry))
{
return 6;
}
archive.get_children().push_back(entry);
}
int neighbourcount = mkfile("neighbours/count", 0);
for (int i = 0; i < neighbourcount; i++)
{
zen::firmware_entry entry(big_endian);
if (!process_child(mkfile, "neighbours", i, entry))
{
return 7;
}
archive.get_neighbours().push_back(entry);
}
std::ofstream ofs;
ofs.open(firmware.c_str(), std::ios::out|std::ios::binary|std::ios::trunc);
if (!ofs)
{
std::cerr << "Failed to create the firmware file." << std::endl;
return 8;
}
if (!archive.write(ofs))
{
std::cerr << "Failed to save the firmware archive." << std::endl;
return 9;
}
ofs.close();
size_t length = archive.calc_size();
if (!length)
{
std::cerr << "Failed to determine the size of the firmware archive."
<< std::endl;
return 10;
}
int align = length % 4;
if (align)
{
shared::bytes padding(4 - align, 0);
if (!shared::write_file(firmware, padding, false, length))
{
std::cerr << "Failed to write padding data." << std::endl;
return 11;
}
}
return 0;
}
int main(int argc, char* argv[])
{
try
{
return process_arguments(argc, argv);
}
catch (const std::exception& xcpt)
{
std::cerr << "Exception caught: " << xcpt.what() << std::endl;
return -1;
}
catch (...)
{
std::cerr << "Unknown exception caught." << std::endl;
return -2;
}
return -3;
}
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