amd64/include/start.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsX8664AMD64
0007  *
0008  * @brief Start header file
0009  */
0010
0011 /*
0012  * Copyright (c) 2018 Amaan Cheval <amaan.cheval@gmail.com>
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
0024  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
0027  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
0028  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
0029  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
0030  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
0031  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
0032  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
0033  * SUCH DAMAGE.
0034  */
0035
0036 #ifndef LIBBSP_AMD64_START_H
0037 #define LIBBSP_AMD64_START_H
0038
0039 #ifdef __cplusplus
0040 extern "C" {
0041 #endif /* __cplusplus */
0042
0043 /**
0044  * @brief Entry point for generated ELF.
0045  *
0046  * The linkcmds script sets this function as the entry point, to be jumped into
0047  * the bootloader. It calls boot_card and kicks the whole RTEMS initialization
0048  * process off.
0049  */
0050 void _start(void);
0051
0052 #ifdef __cplusplus
0053 }
0054 #endif /* __cplusplus */
0055
0056 #endif /* LIBBSP_AMD64_START_H */