rt-thread/libcpu/risc-v/ch32v1/cpuport.h

/*
 * Copyright (c) 2006-2022, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2021-09-09     WCH        the first version
 */

#ifndef CPUPORT_H__
#define CPUPORT_H__

/* bytes of register width  */
//#define ARCH_RISCV_FPU
#define ARCH_RISCV_FPU_S

#ifdef ARCH_CPU_64BIT
#define STORE                   sd
#define LOAD                    ld
#define REGBYTES                8
#else
#define STORE                   sw
#define LOAD                    lw
#define REGBYTES                4
#endif

/* FPU */
#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