diff options
Diffstat (limited to 'target/loongarch/insn_trans/trans_atomic.c.inc')
| -rw-r--r-- | target/loongarch/insn_trans/trans_atomic.c.inc | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/target/loongarch/insn_trans/trans_atomic.c.inc b/target/loongarch/insn_trans/trans_atomic.c.inc new file mode 100644 index 0000000000..6763c1c301 --- /dev/null +++ b/target/loongarch/insn_trans/trans_atomic.c.inc @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + */ + +static bool gen_ll(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv t0 = tcg_temp_new(); + + tcg_gen_addi_tl(t0, src1, a->imm); + tcg_gen_qemu_ld_i64(dest, t0, ctx->mem_idx, mop); + tcg_gen_st_tl(t0, cpu_env, offsetof(CPULoongArchState, lladdr)); + tcg_gen_st_tl(dest, cpu_env, offsetof(CPULoongArchState, llval)); + gen_set_gpr(a->rd, dest, EXT_NONE); + tcg_temp_free(t0); + + return true; +} + +static bool gen_sc(DisasContext *ctx, arg_rr_i *a, MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rd, EXT_NONE); + TCGv t0 = tcg_temp_new(); + TCGv val = tcg_temp_new(); + + TCGLabel *l1 = gen_new_label(); + TCGLabel *done = gen_new_label(); + + tcg_gen_addi_tl(t0, src1, a->imm); + tcg_gen_brcond_tl(TCG_COND_EQ, t0, cpu_lladdr, l1); + tcg_gen_movi_tl(dest, 0); + tcg_gen_br(done); + + gen_set_label(l1); + tcg_gen_mov_tl(val, src2); + /* generate cmpxchg */ + tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, + val, ctx->mem_idx, mop); + tcg_gen_setcond_tl(TCG_COND_EQ, dest, t0, cpu_llval); + gen_set_label(done); + gen_set_gpr(a->rd, dest, EXT_NONE); + tcg_temp_free(t0); + tcg_temp_free(val); + + return true; +} + +static bool gen_am(DisasContext *ctx, arg_rrr *a, + void (*func)(TCGv, TCGv, TCGv, TCGArg, MemOp), + MemOp mop) +{ + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv addr = gpr_src(ctx, a->rj, EXT_NONE); + TCGv val = gpr_src(ctx, a->rk, EXT_NONE); + + if (a->rd != 0 && (a->rj == a->rd || a->rk == a->rd)) { + qemu_log_mask(LOG_GUEST_ERROR, + "Warning: source register overlaps destination register" + "in atomic insn at pc=0x" TARGET_FMT_lx "\n", + ctx->base.pc_next - 4); + return false; + } + + func(dest, addr, val, ctx->mem_idx, mop); + gen_set_gpr(a->rd, dest, EXT_NONE); + + return true; +} + +TRANS(ll_w, gen_ll, MO_TESL) +TRANS(sc_w, gen_sc, MO_TESL) +TRANS(ll_d, gen_ll, MO_TEUQ) +TRANS(sc_d, gen_sc, MO_TEUQ) +TRANS(amswap_w, gen_am, tcg_gen_atomic_xchg_tl, MO_TESL) +TRANS(amswap_d, gen_am, tcg_gen_atomic_xchg_tl, MO_TEUQ) +TRANS(amadd_w, gen_am, tcg_gen_atomic_fetch_add_tl, MO_TESL) +TRANS(amadd_d, gen_am, tcg_gen_atomic_fetch_add_tl, MO_TEUQ) +TRANS(amand_w, gen_am, tcg_gen_atomic_fetch_and_tl, MO_TESL) +TRANS(amand_d, gen_am, tcg_gen_atomic_fetch_and_tl, MO_TEUQ) +TRANS(amor_w, gen_am, tcg_gen_atomic_fetch_or_tl, MO_TESL) +TRANS(amor_d, gen_am, tcg_gen_atomic_fetch_or_tl, MO_TEUQ) +TRANS(amxor_w, gen_am, tcg_gen_atomic_fetch_xor_tl, MO_TESL) +TRANS(amxor_d, gen_am, tcg_gen_atomic_fetch_xor_tl, MO_TEUQ) +TRANS(ammax_w, gen_am, tcg_gen_atomic_fetch_smax_tl, MO_TESL) +TRANS(ammax_d, gen_am, tcg_gen_atomic_fetch_smax_tl, MO_TEUQ) +TRANS(ammin_w, gen_am, tcg_gen_atomic_fetch_smin_tl, MO_TESL) +TRANS(ammin_d, gen_am, tcg_gen_atomic_fetch_smin_tl, MO_TEUQ) +TRANS(ammax_wu, gen_am, tcg_gen_atomic_fetch_umax_tl, MO_TESL) +TRANS(ammax_du, gen_am, tcg_gen_atomic_fetch_umax_tl, MO_TEUQ) +TRANS(ammin_wu, gen_am, tcg_gen_atomic_fetch_umin_tl, MO_TESL) +TRANS(ammin_du, gen_am, tcg_gen_atomic_fetch_umin_tl, MO_TEUQ) +TRANS(amswap_db_w, gen_am, tcg_gen_atomic_xchg_tl, MO_TESL) +TRANS(amswap_db_d, gen_am, tcg_gen_atomic_xchg_tl, MO_TEUQ) +TRANS(amadd_db_w, gen_am, tcg_gen_atomic_fetch_add_tl, MO_TESL) +TRANS(amadd_db_d, gen_am, tcg_gen_atomic_fetch_add_tl, MO_TEUQ) +TRANS(amand_db_w, gen_am, tcg_gen_atomic_fetch_and_tl, MO_TESL) +TRANS(amand_db_d, gen_am, tcg_gen_atomic_fetch_and_tl, MO_TEUQ) +TRANS(amor_db_w, gen_am, tcg_gen_atomic_fetch_or_tl, MO_TESL) +TRANS(amor_db_d, gen_am, tcg_gen_atomic_fetch_or_tl, MO_TEUQ) +TRANS(amxor_db_w, gen_am, tcg_gen_atomic_fetch_xor_tl, MO_TESL) +TRANS(amxor_db_d, gen_am, tcg_gen_atomic_fetch_xor_tl, MO_TEUQ) +TRANS(ammax_db_w, gen_am, tcg_gen_atomic_fetch_smax_tl, MO_TESL) +TRANS(ammax_db_d, gen_am, tcg_gen_atomic_fetch_smax_tl, MO_TEUQ) +TRANS(ammin_db_w, gen_am, tcg_gen_atomic_fetch_smin_tl, MO_TESL) +TRANS(ammin_db_d, gen_am, tcg_gen_atomic_fetch_smin_tl, MO_TEUQ) +TRANS(ammax_db_wu, gen_am, tcg_gen_atomic_fetch_umax_tl, MO_TESL) +TRANS(ammax_db_du, gen_am, tcg_gen_atomic_fetch_umax_tl, MO_TEUQ) +TRANS(ammin_db_wu, gen_am, tcg_gen_atomic_fetch_umin_tl, MO_TESL) +TRANS(ammin_db_du, gen_am, tcg_gen_atomic_fetch_umin_tl, MO_TEUQ) |