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| author | Nicolas Pennequin <nicolas.pennequin@free.fr> | 2008-07-11 16:51:25 +0000 |
|---|---|---|
| committer | Nicolas Pennequin <nicolas.pennequin@free.fr> | 2008-07-11 16:51:25 +0000 |
| commit | ca5bb76d2b8f65aa97e50b633f828c1deb241526 (patch) | |
| tree | 453a1b2de3a0dc0d0b2f7080d10d033bf8fbcdf1 /utils/zenutils/source/shared/firmware.cpp | |
| parent | 141774be48940d56e3ad4dbf451d245b61d4f8b2 (diff) | |
| download | rockbox-ca5bb76d2b8f65aa97e50b633f828c1deb241526.zip rockbox-ca5bb76d2b8f65aa97e50b633f828c1deb241526.tar.gz rockbox-ca5bb76d2b8f65aa97e50b633f828c1deb241526.tar.bz2 rockbox-ca5bb76d2b8f65aa97e50b633f828c1deb241526.tar.xz | |
Delete the svn:executable property and set svn:eol-style to native for all those text files.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18012 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'utils/zenutils/source/shared/firmware.cpp')
| -rw-r--r--[-rwxr-xr-x] | utils/zenutils/source/shared/firmware.cpp | 774 |
1 files changed, 387 insertions, 387 deletions
diff --git a/utils/zenutils/source/shared/firmware.cpp b/utils/zenutils/source/shared/firmware.cpp index 7767b55..811b814 100755..100644 --- a/utils/zenutils/source/shared/firmware.cpp +++ b/utils/zenutils/source/shared/firmware.cpp @@ -1,387 +1,387 @@ -/* 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 "firmware.h"
-#include <iostream>
-#include <stdexcept>
-
-
-zen::firmware_entry::firmware_entry(bool big_endian)
- : _big_endian(big_endian)
-{
-}
-
-zen::firmware_entry::firmware_entry(const firmware_entry& copy)
-{
- assign(copy);
-}
-
-zen::firmware_entry& zen::firmware_entry::operator=(const firmware_entry& right)
-{
- assign(right);
- return *this;
-}
-
-
-bool zen::firmware_entry::read(std::istream& is)
-{
- // Read the header.
- is.read((char*)&_header, sizeof(firmware_header_t));
- if (!is.good())
- return false;
-
- // If the firmware is big-endian, swap the header values to little-endian.
- if (_big_endian)
- {
- _header.tag = shared::swap(_header.tag);
- if (_header.tag != 'NULL')
- {
- _header.size = shared::swap(_header.size);
- }
- }
-
- // Resize the bytes buffer to the size specified in the header.
- _bytes.resize(_header.size);
-
- // Read the entry contents.
- is.read(reinterpret_cast<char*>(&_bytes[0]),
- _header.size);
-
- return is.good();
-}
-
-bool zen::firmware_entry::write(std::ostream& os) const
-{
- // Form a header using the current size of the bytes buffer.
- firmware_header_t header = {
- _header.tag,
- static_cast<dword>(_bytes.size())
- };
-
- // If the firmware is big-endian, swap the header values back into big-endian.
- if (_big_endian)
- {
- if (header.tag != 'NULL')
- {
- header.size = shared::swap(header.size);
- }
- header.tag = shared::swap(header.tag);
- }
-
- // Write the header.
- os.write((const char*)&header, sizeof(firmware_header_t));
- if (!os.good())
- return false;
-
- // Write the entry contents.
- os.write(reinterpret_cast<const char*>(&_bytes[0]),
- static_cast<std::streamsize>(_bytes.size()));
-
- return os.good();
-}
-
-
-bool zen::firmware_entry::is_big_endian() const
-{
- return _big_endian;
-}
-
-const zen::firmware_header_t& zen::firmware_entry::get_header() const
-{
- return _header;
-}
-zen::firmware_header_t& zen::firmware_entry::get_header()
-{
- return _header;
-}
-
-const shared::bytes& zen::firmware_entry::get_bytes() const
-{
- return _bytes;
-}
-shared::bytes& zen::firmware_entry::get_bytes()
-{
- return _bytes;
-}
-
-
-std::string zen::firmware_entry::get_name() const
-{
- char name[5];
- *(dword*)name = shared::swap(_header.tag);
- name[4] = '\0';
-
- // Determine if all characters in the tag are printable.
- bool isprintable = true;
- for (int i = 0; i < 4; i++)
- {
- if (!isprint((byte)name[i]))
- {
- isprintable = false;
- break;
- }
- }
-
- // If they are, simply return the tag as a string.
- if (isprintable)
- {
- return std::string(name);
- }
-
- // Otherwise, encode the tag into a hexadecimal string.
- char buffer[11];
- sprintf(buffer, "0x%08x", _header.tag);
- return std::string(buffer);
-}
-
-std::string zen::firmware_entry::get_content_name() const
-{
- std::string name = get_name();
- if (name == "DATA")
- {
- name = "";
- int nameoff = is_big_endian() ? 1 : 0;
- for (int i = 0; i < 16; i++)
- {
- char c = get_bytes()[i * 2 + nameoff];
- if (!c)
- break;
- name += c;
- }
- }
- else if (name == "EXT0")
- {
- name = "";
- int nameoff = is_big_endian() ? 1 : 0;
- for (int i = 0; i < 12; i++)
- {
- char c = get_bytes()[i * 2 + nameoff];
- if (!c)
- break;
- name += c;
- }
- }
- return name;
-}
-
-size_t zen::firmware_entry::get_content_offset() const
-{
- std::string name = get_name();
- if (name == "DATA")
- {
- return 32;
- }
- else if (name == "EXT0")
- {
- return 24;
- }
- return 0;
-}
-
-size_t zen::firmware_entry::calc_size() const
-{
- return _bytes.size() + sizeof(firmware_header_t);
-}
-
-
-void zen::firmware_entry::assign(const firmware_entry& copy)
-{
- _big_endian = copy._big_endian;
- _header.tag = copy._header.tag;
- _header.size = copy._header.size;
- _bytes.assign(copy._bytes.begin(), copy._bytes.end());
-}
-
-
-
-zen::firmware_archive::firmware_archive(bool big_endian)
- : _big_endian(big_endian)
-{
-}
-
-zen::firmware_archive::firmware_archive(const firmware_archive& copy)
-{
- assign(copy);
-}
-
-zen::firmware_archive& zen::firmware_archive::operator=(const firmware_archive& right)
-{
- assign(right);
- return *this;
-}
-
-
-bool zen::firmware_archive::read(std::istream& is)
-{
- // Read the root entry's header.
- firmware_header_t root;
- is.read((char*)&root, sizeof(firmware_header_t));
- if (!is.good())
- return false;
-
- if ((root.tag != 'CIFF') && (root.tag != 'FFIC'))
- {
- throw std::runtime_error("Invalid firmware archive format!");
- }
-
- _big_endian = root.tag == 'FFIC' ? true : false;
- if (_big_endian)
- {
- root.tag = shared::swap(root.tag);
- root.size = shared::swap(root.size);
- }
-
- // Save the current stream position.
- std::istream::pos_type endpos = is.tellg();
- std::istream::pos_type curpos = endpos;
- endpos += std::istream::pos_type(root.size);
-
- // Read untill the end of the root entry contents.
- while (curpos < endpos)
- {
- firmware_entry entry(_big_endian);
- if (!entry.read(is))
- return false;
-
- _children.push_back(entry);
- curpos = is.tellg();
- }
-
- curpos = is.tellg();
- is.seekg(0, std::ios::end);
- endpos = is.tellg();
- is.seekg(curpos);
-
- // Read untill the end of the file.
- while (((size_t)curpos + sizeof(firmware_header_t)) < endpos)
- {
- firmware_entry entry(_big_endian);
- if (!entry.read(is))
- return false;
-
- _neighbours.push_back(entry);
- curpos = is.tellg();
- }
-
- return true;
-}
-
-bool zen::firmware_archive::write(std::ostream& os) const
-{
- // Read the root entry's header.
- firmware_header_t root = {'CIFF', 0};
-
- // Calculate the total size of all the children entries.
- for (firmware_entries::const_iterator i = _children.begin();
- i != _children.end(); ++i)
- {
- root.size += i->calc_size();
- }
-
- // If the firmware is big-endian, swap the header values back into big-endian.
- if (_big_endian)
- {
- root.tag = shared::swap(root.tag);
- root.size = shared::swap(root.size);
- }
-
- // Write the header.
- os.write((const char*)&root, sizeof(firmware_header_t));
- if (!os.good())
- return false;
-
- // Write all the child entries.
- for (firmware_entries::const_iterator i = _children.begin();
- i != _children.end(); ++i)
- {
- if (!i->write(os))
- return false;
- }
-
- // Write all the neighbour entries.
- for (firmware_entries::const_iterator i = _neighbours.begin();
- i != _neighbours.end(); ++i)
- {
- if (!i->write(os))
- return false;
- }
-
- return true;
-}
-
-
-bool zen::firmware_archive::is_big_endian() const
-{
- return _big_endian;
-}
-
-const zen::firmware_entries& zen::firmware_archive::get_children() const
-{
- return _children;
-}
-zen::firmware_entries& zen::firmware_archive::get_children()
-{
- return _children;
-}
-
-const zen::firmware_entries& zen::firmware_archive::get_neighbours() const
-{
- return _neighbours;
-}
-zen::firmware_entries& zen::firmware_archive::get_neighbours()
-{
- return _neighbours;
-}
-
-bool zen::firmware_archive::is_signed() const
-{
- for (firmware_entries::const_iterator i = _neighbours.begin();
- i != _neighbours.end(); i++)
- {
- if (i->get_name() == "NULL")
- return true;
- }
- return false;
-}
-
-size_t zen::firmware_archive::calc_size() const
-{
- size_t size = sizeof(firmware_header_t);
-
- for (firmware_entries::const_iterator i = _children.begin();
- i != _children.end(); i++)
- {
- size += i->calc_size();
- }
-
- for (firmware_entries::const_iterator i = _neighbours.begin();
- i != _neighbours.end(); i++)
- {
- size += i->calc_size();
- }
-
- return size;
-}
-
-
-void zen::firmware_archive::assign(const firmware_archive& copy)
-{
- _big_endian = copy._big_endian;
- _children.assign(copy._children.begin(), copy._children.end());
- _neighbours.assign(copy._neighbours.begin(), copy._neighbours.end());
-}
+/* 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 "firmware.h" +#include <iostream> +#include <stdexcept> + + +zen::firmware_entry::firmware_entry(bool big_endian) + : _big_endian(big_endian) +{ +} + +zen::firmware_entry::firmware_entry(const firmware_entry& copy) +{ + assign(copy); +} + +zen::firmware_entry& zen::firmware_entry::operator=(const firmware_entry& right) +{ + assign(right); + return *this; +} + + +bool zen::firmware_entry::read(std::istream& is) +{ + // Read the header. + is.read((char*)&_header, sizeof(firmware_header_t)); + if (!is.good()) + return false; + + // If the firmware is big-endian, swap the header values to little-endian. + if (_big_endian) + { + _header.tag = shared::swap(_header.tag); + if (_header.tag != 'NULL') + { + _header.size = shared::swap(_header.size); + } + } + + // Resize the bytes buffer to the size specified in the header. + _bytes.resize(_header.size); + + // Read the entry contents. + is.read(reinterpret_cast<char*>(&_bytes[0]), + _header.size); + + return is.good(); +} + +bool zen::firmware_entry::write(std::ostream& os) const +{ + // Form a header using the current size of the bytes buffer. + firmware_header_t header = { + _header.tag, + static_cast<dword>(_bytes.size()) + }; + + // If the firmware is big-endian, swap the header values back into big-endian. + if (_big_endian) + { + if (header.tag != 'NULL') + { + header.size = shared::swap(header.size); + } + header.tag = shared::swap(header.tag); + } + + // Write the header. + os.write((const char*)&header, sizeof(firmware_header_t)); + if (!os.good()) + return false; + + // Write the entry contents. + os.write(reinterpret_cast<const char*>(&_bytes[0]), + static_cast<std::streamsize>(_bytes.size())); + + return os.good(); +} + + +bool zen::firmware_entry::is_big_endian() const +{ + return _big_endian; +} + +const zen::firmware_header_t& zen::firmware_entry::get_header() const +{ + return _header; +} +zen::firmware_header_t& zen::firmware_entry::get_header() +{ + return _header; +} + +const shared::bytes& zen::firmware_entry::get_bytes() const +{ + return _bytes; +} +shared::bytes& zen::firmware_entry::get_bytes() +{ + return _bytes; +} + + +std::string zen::firmware_entry::get_name() const +{ + char name[5]; + *(dword*)name = shared::swap(_header.tag); + name[4] = '\0'; + + // Determine if all characters in the tag are printable. + bool isprintable = true; + for (int i = 0; i < 4; i++) + { + if (!isprint((byte)name[i])) + { + isprintable = false; + break; + } + } + + // If they are, simply return the tag as a string. + if (isprintable) + { + return std::string(name); + } + + // Otherwise, encode the tag into a hexadecimal string. + char buffer[11]; + sprintf(buffer, "0x%08x", _header.tag); + return std::string(buffer); +} + +std::string zen::firmware_entry::get_content_name() const +{ + std::string name = get_name(); + if (name == "DATA") + { + name = ""; + int nameoff = is_big_endian() ? 1 : 0; + for (int i = 0; i < 16; i++) + { + char c = get_bytes()[i * 2 + nameoff]; + if (!c) + break; + name += c; + } + } + else if (name == "EXT0") + { + name = ""; + int nameoff = is_big_endian() ? 1 : 0; + for (int i = 0; i < 12; i++) + { + char c = get_bytes()[i * 2 + nameoff]; + if (!c) + break; + name += c; + } + } + return name; +} + +size_t zen::firmware_entry::get_content_offset() const +{ + std::string name = get_name(); + if (name == "DATA") + { + return 32; + } + else if (name == "EXT0") + { + return 24; + } + return 0; +} + +size_t zen::firmware_entry::calc_size() const +{ + return _bytes.size() + sizeof(firmware_header_t); +} + + +void zen::firmware_entry::assign(const firmware_entry& copy) +{ + _big_endian = copy._big_endian; + _header.tag = copy._header.tag; + _header.size = copy._header.size; + _bytes.assign(copy._bytes.begin(), copy._bytes.end()); +} + + + +zen::firmware_archive::firmware_archive(bool big_endian) + : _big_endian(big_endian) +{ +} + +zen::firmware_archive::firmware_archive(const firmware_archive& copy) +{ + assign(copy); +} + +zen::firmware_archive& zen::firmware_archive::operator=(const firmware_archive& right) +{ + assign(right); + return *this; +} + + +bool zen::firmware_archive::read(std::istream& is) +{ + // Read the root entry's header. + firmware_header_t root; + is.read((char*)&root, sizeof(firmware_header_t)); + if (!is.good()) + return false; + + if ((root.tag != 'CIFF') && (root.tag != 'FFIC')) + { + throw std::runtime_error("Invalid firmware archive format!"); + } + + _big_endian = root.tag == 'FFIC' ? true : false; + if (_big_endian) + { + root.tag = shared::swap(root.tag); + root.size = shared::swap(root.size); + } + + // Save the current stream position. + std::istream::pos_type endpos = is.tellg(); + std::istream::pos_type curpos = endpos; + endpos += std::istream::pos_type(root.size); + + // Read untill the end of the root entry contents. + while (curpos < endpos) + { + firmware_entry entry(_big_endian); + if (!entry.read(is)) + return false; + + _children.push_back(entry); + curpos = is.tellg(); + } + + curpos = is.tellg(); + is.seekg(0, std::ios::end); + endpos = is.tellg(); + is.seekg(curpos); + + // Read untill the end of the file. + while (((size_t)curpos + sizeof(firmware_header_t)) < endpos) + { + firmware_entry entry(_big_endian); + if (!entry.read(is)) + return false; + + _neighbours.push_back(entry); + curpos = is.tellg(); + } + + return true; +} + +bool zen::firmware_archive::write(std::ostream& os) const +{ + // Read the root entry's header. + firmware_header_t root = {'CIFF', 0}; + + // Calculate the total size of all the children entries. + for (firmware_entries::const_iterator i = _children.begin(); + i != _children.end(); ++i) + { + root.size += i->calc_size(); + } + + // If the firmware is big-endian, swap the header values back into big-endian. + if (_big_endian) + { + root.tag = shared::swap(root.tag); + root.size = shared::swap(root.size); + } + + // Write the header. + os.write((const char*)&root, sizeof(firmware_header_t)); + if (!os.good()) + return false; + + // Write all the child entries. + for (firmware_entries::const_iterator i = _children.begin(); + i != _children.end(); ++i) + { + if (!i->write(os)) + return false; + } + + // Write all the neighbour entries. + for (firmware_entries::const_iterator i = _neighbours.begin(); + i != _neighbours.end(); ++i) + { + if (!i->write(os)) + return false; + } + + return true; +} + + +bool zen::firmware_archive::is_big_endian() const +{ + return _big_endian; +} + +const zen::firmware_entries& zen::firmware_archive::get_children() const +{ + return _children; +} +zen::firmware_entries& zen::firmware_archive::get_children() +{ + return _children; +} + +const zen::firmware_entries& zen::firmware_archive::get_neighbours() const +{ + return _neighbours; +} +zen::firmware_entries& zen::firmware_archive::get_neighbours() +{ + return _neighbours; +} + +bool zen::firmware_archive::is_signed() const +{ + for (firmware_entries::const_iterator i = _neighbours.begin(); + i != _neighbours.end(); i++) + { + if (i->get_name() == "NULL") + return true; + } + return false; +} + +size_t zen::firmware_archive::calc_size() const +{ + size_t size = sizeof(firmware_header_t); + + for (firmware_entries::const_iterator i = _children.begin(); + i != _children.end(); i++) + { + size += i->calc_size(); + } + + for (firmware_entries::const_iterator i = _neighbours.begin(); + i != _neighbours.end(); i++) + { + size += i->calc_size(); + } + + return size; +} + + +void zen::firmware_archive::assign(const firmware_archive& copy) +{ + _big_endian = copy._big_endian; + _children.assign(copy._children.begin(), copy._children.end()); + _neighbours.assign(copy._neighbours.begin(), copy._neighbours.end()); +} |