target/arm: Define isar_feature function to test for presence of SEL2

Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210112104511.36576-6-remi.denis.courmont@huawei.com
[PMM: tweaked commit message to match reduced scope of patch
 following rebase]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 66e3603294951f45201163ce038751561a4fac23..22a3c8a4cfb0898beeab19be55309213fac3523b 100644 (file)
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -4011,6 +4011,11 @@ static inline bool isar_feature_aa64_sve(const ARMISARegisters *id)
     return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SVE) != 0;
 }
 
+static inline bool isar_feature_aa64_sel2(const ARMISARegisters *id)
+{
+    return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, SEL2) != 0;
+}
+
 static inline bool isar_feature_aa64_vh(const ARMISARegisters *id)
 {
     return FIELD_EX64(id->id_aa64mmfr1, ID_AA64MMFR1, VH) != 0;