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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreCPUARM
*
* @brief This header file provides defines derived from ARM multilib defines.
*/
/*
* COPYRIGHT (c) 2000 Canon Research Centre France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* Copyright (c) 2002 Advent Networks, Inc.
* Jay Monkman <jmonkman@adventnetworks.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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.
*
*/
#ifndef _RTEMS_SCORE_ARM_H
#define _RTEMS_SCORE_ARM_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup RTEMSScoreCPUARM
*
* @{
*/
#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
#define CPU_MODEL_NAME "ARMv7M"
#define ARM_MULTILIB_ARCH_V7M
#elif defined(__ARM_ARCH_6M__)
#define CPU_MODEL_NAME "ARMv6M"
#define ARM_MULTILIB_ARCH_V6M
#else
#define CPU_MODEL_NAME "ARMv4"
#define ARM_MULTILIB_ARCH_V4
#endif
#if __ARM_ARCH >= 7
#define ARM_MULTILIB_HAS_WFI
#define ARM_MULTILIB_HAS_LOAD_STORE_EXCLUSIVE
#define ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS
#define ARM_MULTILIB_HAS_STORE_RETURN_STATE
#endif
#ifndef ARM_DISABLE_THREAD_ID_REGISTER_USE
#if defined(__ARM_ARCH_7A__) \
|| defined(__ARM_ARCH_7R__) \
|| __ARM_ARCH >= 8 \
|| __ARM_ARCH == 6
#define ARM_MULTILIB_HAS_THREAD_ID_REGISTER
#endif
#endif
#if defined(__ARM_ARCH_7A__) || __ARM_ARCH >= 8
#define ARM_MULTILIB_CACHE_LINE_MAX_64
#endif
#if __ARM_ARCH >= 7
#define ARM_MULTILIB_HAS_CPACR
#endif
#if !defined(__SOFTFP__)
#if defined(__ARM_NEON__)
#define ARM_MULTILIB_VFP_D32
#elif defined(__VFP_FP__)
#define ARM_MULTILIB_VFP_D16
#else
#error "FPU support not implemented"
#endif
#endif
#if defined(ARM_MULTILIB_VFP_D16) \
|| defined(ARM_MULTILIB_VFP_D32)
#define ARM_MULTILIB_VFP
#endif
/*
* Define the name of the CPU family.
*/
#define CPU_NAME "ARM"
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* _RTEMS_SCORE_ARM_H */
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