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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-10-03 Bernard The first version
* 2020/11/20 BalanceTWK Add FPU support
*/
#ifndef CPUPORT_H__
#define CPUPORT_H__
#include <rtconfig.h>
/* bytes of register width */
#define STORE sw
#define LOAD lw
#define REGBYTES 4
#ifdef __riscv_flen
#define ARCH_RISCV_FPU
#if __riscv_flen == 32
#define ARCH_RISCV_FPU_S
#endif
#if __riscv_flen == 64
#define ARCH_RISCV_FPU_D
#endif
#endif
#ifdef ARCH_RISCV_FPU
#ifdef ARCH_RISCV_FPU_D
#define FSTORE fsd
#define FLOAD fld
#define FREGBYTES 8
#define rv_floatreg_t rt_int64_t
#endif
#ifdef ARCH_RISCV_FPU_S
#define FSTORE fsw
#define FLOAD flw
#define FREGBYTES 4
#define rv_floatreg_t rt_int32_t
#endif
#endif
#endif
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