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authorRichard Henderson <richard.henderson@linaro.org>2023-08-31 09:45:16 +0100
committerPeter Maydell <peter.maydell@linaro.org>2023-08-31 09:45:16 +0100
commit3d5f45ec895b278bfc442a436eebefab598f416a (patch)
tree6518a686a085665d93421ee71d75d5dc43153f36
parent87da10b45ce50b55c0306862a511c77243b1b065 (diff)
target/arm: Suppress FEAT_TRBE (Trace Buffer Extension)
Like FEAT_TRF (Self-hosted Trace Extension), suppress tracing external to the cpu, which is out of scope for QEMU. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20230811214031.171020-10-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/cpu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 23901121ac..17540300fe 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2088,6 +2088,9 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
/* FEAT_SPE (Statistical Profiling Extension) */
cpu->isar.id_aa64dfr0 =
FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, PMSVER, 0);
+ /* FEAT_TRBE (Trace Buffer Extension) */
+ cpu->isar.id_aa64dfr0 =
+ FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEBUFFER, 0);
/* FEAT_TRF (Self-hosted Trace Extension) */
cpu->isar.id_aa64dfr0 =
FIELD_DP64(cpu->isar.id_aa64dfr0, ID_AA64DFR0, TRACEFILT, 0);