include/bsp/niosv.h

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *
0005  * Copyright (C) 2024 Kevin Kirspel
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
0017  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
0020  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
0021  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
0022  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
0023  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
0024  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
0025  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
0026  * SUCH DAMAGE.
0027  */
0028
0029 #ifndef BSP_NIOSV_H
0030 #define BSP_NIOSV_H
0031
0032 #include <bsp.h>
0033
0034 #include <rtems/score/cpuimpl.h>
0035
0036 #define NIOSV_MSTATUS_MIE_MASK      0x8
0037 #define NIOSV_MIE_MASK              0xFFFFFFFF
0038 #define NIOSV_MCAUSE_INTERRUPT_MASK 0x80000000
0039
0040 #ifdef __cplusplus
0041 extern "C" {
0042 #endif
0043
0044 uint32_t niosv_get_core_frequency(void);
0045
0046 #ifdef __cplusplus
0047 }
0048 #endif
0049
0050
0051 #endif /* BSP_NIOSV_H */