This includes: -RDTIME{L/H}.W -RDTIME.D Signed-off-by: Xiaojuan Yang <yangxiaoj...@loongson.cn> Signed-off-by: Song Gao <gaos...@loongson.cn> --- target/loongarch/helper.h | 2 ++ target/loongarch/insn_trans/trans_core.c | 23 +++++++++++++++++++++ target/loongarch/insn_trans/trans_extra.c | 2 ++ target/loongarch/op_helper.c | 25 +++++++++++++++++++++++ 4 files changed, 52 insertions(+)
diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h index 8544771790..b4ed62896f 100644 --- a/target/loongarch/helper.h +++ b/target/loongarch/helper.h @@ -116,4 +116,6 @@ DEF_HELPER_4(lddir, tl, env, tl, tl, i32) DEF_HELPER_4(ldpte, void, env, tl, tl, i32) DEF_HELPER_1(ertn, void, env) DEF_HELPER_1(idle, void, env) +DEF_HELPER_4(rdtime_w, void, env, tl, tl, i64) +DEF_HELPER_3(rdtime_d, void, env, tl, tl) #endif /* !CONFIG_USER_ONLY */ diff --git a/target/loongarch/insn_trans/trans_core.c b/target/loongarch/insn_trans/trans_core.c index 7fa13e65b9..24eb12b97a 100644 --- a/target/loongarch/insn_trans/trans_core.c +++ b/target/loongarch/insn_trans/trans_core.c @@ -276,4 +276,27 @@ static bool trans_idle(DisasContext *ctx, arg_idle *a) return true; } +static bool trans_rdtimel_w(DisasContext *ctx, arg_rdtimel_w *a) +{ + TCGv t0 = tcg_constant_tl(a->rd); + TCGv t1 = tcg_constant_tl(a->rj); + gen_helper_rdtime_w(cpu_env, t0, t1, tcg_constant_tl(0)); + return true; +} + +static bool trans_rdtimeh_w(DisasContext *ctx, arg_rdtimeh_w *a) +{ + TCGv t0 = tcg_constant_tl(a->rd); + TCGv t1 = tcg_constant_tl(a->rj); + gen_helper_rdtime_w(cpu_env, t0, t1, tcg_constant_tl(1)); + return true; +} + +static bool trans_rdtime_d(DisasContext *ctx, arg_rdtime_d *a) +{ + TCGv t0 = tcg_constant_tl(a->rd); + TCGv t1 = tcg_constant_tl(a->rj); + gen_helper_rdtime_d(cpu_env, t0, t1); + return true; +} #endif diff --git a/target/loongarch/insn_trans/trans_extra.c b/target/loongarch/insn_trans/trans_extra.c index 8da3b404f3..426b67f154 100644 --- a/target/loongarch/insn_trans/trans_extra.c +++ b/target/loongarch/insn_trans/trans_extra.c @@ -36,6 +36,7 @@ static bool trans_asrtgt_d(DisasContext *ctx, arg_asrtgt_d * a) return true; } +#ifdef CONFIG_USER_ONLY static bool trans_rdtimel_w(DisasContext *ctx, arg_rdtimel_w *a) { tcg_gen_movi_tl(cpu_gpr[a->rd], 0); @@ -53,6 +54,7 @@ static bool trans_rdtime_d(DisasContext *ctx, arg_rdtime_d *a) tcg_gen_movi_tl(cpu_gpr[a->rd], 0); return true; } +#endif static bool trans_cpucfg(DisasContext *ctx, arg_cpucfg *a) { diff --git a/target/loongarch/op_helper.c b/target/loongarch/op_helper.c index 4547880c8f..41b1ec2f1b 100644 --- a/target/loongarch/op_helper.c +++ b/target/loongarch/op_helper.c @@ -130,4 +130,29 @@ void helper_idle(CPULoongArchState *env) do_raise_exception(env, EXCP_HLT, 0); } +void helper_rdtime_w(CPULoongArchState *env, target_ulong rd, + target_ulong rj, target_ulong high) +{ + if (rd) { + if (high) { + env->gpr[rd] = cpu_loongarch_get_stable_counter(env) >> 32; + } else { + env->gpr[rd] = cpu_loongarch_get_stable_counter(env) & 0xffffffff; + } + } + if (rj) { + env->gpr[rj] = env->CSR_TMID; + } +} + +void helper_rdtime_d(CPULoongArchState *env, target_ulong rd, target_ulong rj) +{ + if (rd) { + env->gpr[rd] = cpu_loongarch_get_stable_counter(env); + } + if (rj) { + env->gpr[rj] = env->CSR_TMID; + } +} + #endif /* !CONFIG_USER_ONLY */ -- 2.27.0