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41 lines
960 B
C
41 lines
960 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#include <asm/inst.h>
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u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm)
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{
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union loongarch_instruction insn;
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insn.reg1i20_format.opcode = lu32id_op;
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insn.reg1i20_format.rd = rd;
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insn.reg1i20_format.immediate = imm;
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return insn.word;
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}
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u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
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{
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union loongarch_instruction insn;
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insn.reg2i12_format.opcode = lu52id_op;
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insn.reg2i12_format.rd = rd;
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insn.reg2i12_format.rj = rj;
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insn.reg2i12_format.immediate = imm;
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return insn.word;
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}
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u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, unsigned long pc, unsigned long dest)
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{
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union loongarch_instruction insn;
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insn.reg2i16_format.opcode = jirl_op;
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insn.reg2i16_format.rd = rd;
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insn.reg2i16_format.rj = rj;
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insn.reg2i16_format.immediate = (dest - pc) >> 2;
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return insn.word;
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}
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