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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-11-09 Shell Add portable asm support
*/
#ifndef __OPCODE_H__
#define __OPCODE_H__
/**
* @brief binary opcode pseudo operations
* Used to bypass toolchain restriction on extension ISA
*
*/
/**
* @brief RISC-V instruction formats
*/
/**
* R type: .insn r opcode6, func3, func7, rd, rs1, rs2
*
* +-------+-----+-----+-------+----+---------+
* | func7 | rs2 | rs1 | func3 | rd | opcode6 |
* +-------+-----+-----+-------+----+---------+
* 31 25 20 15 12 7 0
*/
#define __OPC_INSN_FORMAT_R(opcode, func3, func7, rd, rs1, rs2) \
".insn r " RT_STRINGIFY(opcode) "," RT_STRINGIFY(func3) "," RT_STRINGIFY(func7) "," RT_STRINGIFY(rd) "," RT_STRINGIFY(rs1) "," RT_STRINGIFY(rs2)
#ifdef _TOOLCHAIN_SUPP_ZIFENCEI_ISA_
#define OPC_FENCE_I "fence.i"
#else /* !_TOOLCHAIN_SUPP_ZIFENCEI_ISA_ */
#define OPC_FENCE_I ".long 0x0000100F"
#endif /* _TOOLCHAIN_SUPP_ZIFENCEI_ISA_ */
#endif /* __OPCODE_H__ */
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