nuttx/arch/risc-v/include/arch.h
Alin Jerpelea 231b8518b7 NuttX: Ken Pettit: update licenses to Apache
Ken Pettit has submitted the ICLA and we can migrate the licenses
 to Apache.

Sebastien Lorquet has submitted the ICLA and we can migrate the licenses
 to Apache.

Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-04-10 06:42:19 -05:00

111 lines
3.3 KiB
C

/****************************************************************************
* 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 */