diff options
Diffstat (limited to 'target/arm/cpu.c')
| -rw-r--r-- | target/arm/cpu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index fe73fd8af7..23901121ac 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -2067,12 +2067,13 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp) #ifndef CONFIG_USER_ONLY /* - * Disable the MTE feature bits if we do not have tag-memory - * provided by the machine. + * If we do not have tag-memory provided by the machine, + * reduce MTE support to instructions enabled at EL0. + * This matches Cortex-A710 BROADCASTMTE input being LOW. */ if (cpu->tag_memory == NULL) { cpu->isar.id_aa64pfr1 = - FIELD_DP64(cpu->isar.id_aa64pfr1, ID_AA64PFR1, MTE, 0); + FIELD_DP64(cpu->isar.id_aa64pfr1, ID_AA64PFR1, MTE, 1); } #endif } |