core_feature_vector.h

/*
 * Copyright (c) 2019 Nuclei Limited. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __CORE_FEATURE_VECTOR__
#define __CORE_FEATURE_VECTOR__
 
/*
 * Vector Feature Configuration Macro:
 * 1. __VECTOR_PRESENT:  Define whether Vector Unit is present or not
 *   * 0: Not present
 *   * 1: Present
 */
#ifdef __cplusplus
 extern "C" {
#endif
 
#include "core_feature_base.h"
 
#if defined(__VECTOR_PRESENT) && (__VECTOR_PRESENT == 1)
 
/* ###########################  CPU Vector Intrinsic Functions ########################### */
#if defined(__INC_INTRINSIC_API) && (__INC_INTRINSIC_API == 1)
#include <riscv_vector.h>
#endif
 
__STATIC_FORCEINLINE void __enable_vector(void)
{
    __RV_CSR_CLEAR(CSR_MSTATUS, MSTATUS_VS);
    __RV_CSR_SET(CSR_MSTATUS, MSTATUS_VS_INITIAL);
}
 
__STATIC_FORCEINLINE void __disable_vector(void)
{
    __RV_CSR_CLEAR(CSR_MSTATUS, MSTATUS_VS);
}
 /* End of Doxygen Group NMSIS_Core_Vector_Intrinsic */
#endif /* defined(__VECTOR_PRESENT) && (__VECTOR_PRESENT == 1) */
 
#ifdef __cplusplus
}
#endif
 
#endif /* __CORE_FEATURE_VECTOR__ */