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authorRichard Henderson <richard.henderson@linaro.org>2020-06-25 20:31:10 -0700
committerPeter Maydell <peter.maydell@linaro.org>2020-06-26 14:31:12 +0100
commit438efea0bb639c9c2dfb42c8d9459e21aa183c8a (patch)
treebbef85d1f0d7bf85c82fd7791e7b9bf0bad30f30 /target/arm/translate-a64.c
parentefbc78ad978763aedd11cb718eb1ff8db3fc9152 (diff)
target/arm: Implement the GMI instruction
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20200626033144.790098-13-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-a64.c')
-rw-r--r--target/arm/translate-a64.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 2ec02c8a5f..ee9dfa8e43 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -5346,6 +5346,21 @@ static void disas_data_proc_2src(DisasContext *s, uint32_t insn)
cpu_reg_sp(s, rn));
}
break;
+ case 5: /* GMI */
+ if (sf == 0 || !dc_isar_feature(aa64_mte_insn_reg, s)) {
+ goto do_unallocated;
+ } else {
+ TCGv_i64 t1 = tcg_const_i64(1);
+ TCGv_i64 t2 = tcg_temp_new_i64();
+
+ tcg_gen_extract_i64(t2, cpu_reg_sp(s, rn), 56, 4);
+ tcg_gen_shl_i64(t1, t1, t2);
+ tcg_gen_or_i64(cpu_reg(s, rd), cpu_reg(s, rm), t1);
+
+ tcg_temp_free_i64(t1);
+ tcg_temp_free_i64(t2);
+ }
+ break;
case 8: /* LSLV */
handle_shift_reg(s, A64_SHIFT_TYPE_LSL, sf, rm, rn, rd);
break;