diff options
| -rw-r--r-- | arch/loongarch/include/asm/inst.h | 12 | ||||
| -rw-r--r-- | arch/loongarch/kernel/inst.c | 2 | ||||
| -rw-r--r-- | arch/loongarch/net/bpf_jit.c | 6 |
3 files changed, 15 insertions, 5 deletions
diff --git a/arch/loongarch/include/asm/inst.h b/arch/loongarch/include/asm/inst.h index 944482063f14..3089785ca97e 100644 --- a/arch/loongarch/include/asm/inst.h +++ b/arch/loongarch/include/asm/inst.h @@ -683,7 +683,17 @@ DEF_EMIT_REG2I16_FORMAT(blt, blt_op) DEF_EMIT_REG2I16_FORMAT(bge, bge_op) DEF_EMIT_REG2I16_FORMAT(bltu, bltu_op) DEF_EMIT_REG2I16_FORMAT(bgeu, bgeu_op) -DEF_EMIT_REG2I16_FORMAT(jirl, jirl_op) + +static inline void emit_jirl(union loongarch_instruction *insn, + enum loongarch_gpr rd, + enum loongarch_gpr rj, + int offset) +{ + insn->reg2i16_format.opcode = jirl_op; + insn->reg2i16_format.immediate = offset; + insn->reg2i16_format.rd = rd; + insn->reg2i16_format.rj = rj; +} #define DEF_EMIT_REG2BSTRD_FORMAT(NAME, OP) \ static inline void emit_##NAME(union loongarch_instruction *insn, \ diff --git a/arch/loongarch/kernel/inst.c b/arch/loongarch/kernel/inst.c index 3050329556d1..14d7d700bcb9 100644 --- a/arch/loongarch/kernel/inst.c +++ b/arch/loongarch/kernel/inst.c @@ -332,7 +332,7 @@ u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm) return INSN_BREAK; } - emit_jirl(&insn, rj, rd, imm >> 2); + emit_jirl(&insn, rd, rj, imm >> 2); return insn.word; } diff --git a/arch/loongarch/net/bpf_jit.c b/arch/loongarch/net/bpf_jit.c index dd350cba1252..ea357a3edc09 100644 --- a/arch/loongarch/net/bpf_jit.c +++ b/arch/loongarch/net/bpf_jit.c @@ -181,13 +181,13 @@ static void __build_epilogue(struct jit_ctx *ctx, bool is_tail_call) /* Set return value */ emit_insn(ctx, addiw, LOONGARCH_GPR_A0, regmap[BPF_REG_0], 0); /* Return to the caller */ - emit_insn(ctx, jirl, LOONGARCH_GPR_RA, LOONGARCH_GPR_ZERO, 0); + emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_RA, 0); } else { /* * Call the next bpf prog and skip the first instruction * of TCC initialization. */ - emit_insn(ctx, jirl, LOONGARCH_GPR_T3, LOONGARCH_GPR_ZERO, 1); + emit_insn(ctx, jirl, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_T3, 1); } } @@ -904,7 +904,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext return ret; move_addr(ctx, t1, func_addr); - emit_insn(ctx, jirl, t1, LOONGARCH_GPR_RA, 0); + emit_insn(ctx, jirl, LOONGARCH_GPR_RA, t1, 0); move_reg(ctx, regmap[BPF_REG_0], LOONGARCH_GPR_A0); break; |