1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
4 */
5 #include <asm/inst.h>
6
larch_insn_gen_lu32id(enum loongarch_gpr rd,int imm)7 u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm)
8 {
9 union loongarch_instruction insn;
10
11 insn.reg1i20_format.opcode = lu32id_op;
12 insn.reg1i20_format.rd = rd;
13 insn.reg1i20_format.immediate = imm;
14
15 return insn.word;
16 }
17
larch_insn_gen_lu52id(enum loongarch_gpr rd,enum loongarch_gpr rj,int imm)18 u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm)
19 {
20 union loongarch_instruction insn;
21
22 insn.reg2i12_format.opcode = lu52id_op;
23 insn.reg2i12_format.rd = rd;
24 insn.reg2i12_format.rj = rj;
25 insn.reg2i12_format.immediate = imm;
26
27 return insn.word;
28 }
29
larch_insn_gen_jirl(enum loongarch_gpr rd,enum loongarch_gpr rj,unsigned long pc,unsigned long dest)30 u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, unsigned long pc, unsigned long dest)
31 {
32 union loongarch_instruction insn;
33
34 insn.reg2i16_format.opcode = jirl_op;
35 insn.reg2i16_format.rd = rd;
36 insn.reg2i16_format.rj = rj;
37 insn.reg2i16_format.immediate = (dest - pc) >> 2;
38
39 return insn.word;
40 }
41