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- /****************************************************************************
- * arch/risc-v/include/arch.h
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you 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
- *
- * http://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.
- *
- ****************************************************************************/
- /* This file should never be included directly but, rather,
- * only indirectly through nuttx/arch.h
- */
- #ifndef __ARCH_RISCV_INCLUDE_ARCH_H
- #define __ARCH_RISCV_INCLUDE_ARCH_H
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #ifndef __ASSEMBLY__
- # include <stdint.h>
- #endif
- #include <arch/csr.h>
- #ifdef CONFIG_ARCH_RV32IM
- # include <arch/rv32im/arch.h>
- #endif
- #ifdef CONFIG_ARCH_RV64GC
- # include <arch/rv64gc/arch.h>
- #endif
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- /* Macros to get the core and vendor ID, HART, arch and ISA codes, etc.
- */
- #ifdef CONFIG_RV32IM_SYSTEM_CSRRS_SUPPORT
- uint32_t up_getmisa(void);
- uint32_t up_getarchid(void);
- uint32_t up_getimpid(void);
- uint32_t up_getvendorid(void);
- uint32_t up_gethartid(void);
- #else
- #define up_getmisa() 0
- #define up_getarchid() 0
- #define up_getimpid() 0
- #define up_getvendorid() 0
- #define up_gethartid() 0
- #endif
- /****************************************************************************
- * Inline functions
- ****************************************************************************/
- /****************************************************************************
- * Public Types
- ****************************************************************************/
- /****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
- #ifdef CONFIG_RV32IM_HW_MULDIV
- uint32_t up_hard_mul(uint32_t a, uint32_t b);
- uint32_t up_hard_mulh(uint32_t a, uint32_t b);
- uint32_t up_hard_mulhsu(uint32_t a, uint32_t b);
- uint32_t up_hard_mulhu(uint32_t a, uint32_t b);
- uint32_t up_hard_div(uint32_t a, uint32_t b);
- uint32_t up_hard_rem(uint32_t a, uint32_t b);
- uint32_t up_hard_divu(uint32_t a, uint32_t b);
- uint32_t up_hard_remu(uint32_t a, uint32_t b);
- uint32_t time_hard_mul(uint32_t a, uint32_t b, uint32_t *t);
- #endif
- #ifdef __cplusplus
- #define EXTERN extern "C"
- extern "C"
- {
- #else
- #define EXTERN extern
- #endif
- #undef EXTERN
- #ifdef __cplusplus
- }
- #endif
- #endif /* __ARCH_RISCV_INCLUDE_ARCH_H */
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