/*====================================================================* * * Copyright (c) 2013 Qualcomm Atheros, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or * without modification, are permitted (subject to the limitations * in the disclaimer below) provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of Qualcomm Atheros nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE * COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *--------------------------------------------------------------------*/ /*====================================================================* * * signed nvmfile (struct _file_ const * file); * * nvm.h * * open an NVM file and validate it by walking the header and image * chain and validating all checksums; rewind valid files; return a * file descriptor on success or terminate the program on error; * * the checksum of the entire header, including header checksum, is * always 0 for valid headers; similarly, the checksum of the image * and image checksum is always 0 for valid images; * * * Contributor(s): * Charles Maier <cmaier@qca.qualcomm.com> * *--------------------------------------------------------------------*/ #ifndef NVMFILE_SOURCE #define NVMFILE_SOURCE #include "../tools/endian.h" #include "../tools/files.h" #include "../tools/error.h" #include "../nvm/nvm.h" signed nvmfile (struct _file_ const * file) { uint32_t version; if (lseek (file->file, 0, SEEK_SET)) { error (1, errno, FILE_CANTHOME, file->name); } if (read (file->file, &version, sizeof (version)) != sizeof (version)) { error (1, errno, FILE_CANTREAD, file->name); } if (lseek (file->file, 0, SEEK_SET)) { error (1, errno, FILE_CANTHOME, file->name); } if (LE32TOH (version) == 0x60000000) { return (nvmfile1 (file)); } return (nvmfile2 (file)); } #endif