diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-01-11 13:57:39 -1000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-01-19 14:38:51 +0000 |
| commit | eb94284d0812b4e7c11c5d075b584100ac1c1b9a (patch) | |
| tree | ad205638a5b69b2bfce54899472934b4179db904 /target/arm/monitor.c | |
| parent | 283fc52ade85eb50141f3b8b85f82b07d016cb17 (diff) | |
target/arm: Add cpu properties to control pauth
The crypto overhead of emulating pauth can be significant for
some workloads. Add two boolean properties that allows the
feature to be turned off, on with the architected algorithm,
or on with an implementation defined algorithm.
We need two intermediate booleans to control the state while
parsing properties lest we clobber ID_AA64ISAR1 into an invalid
intermediate state.
Tested-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210111235740.462469-3-richard.henderson@linaro.org
[PMM: fixed docs typo, tweaked text to clarify that the impdef
algorithm is specific to QEMU]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/monitor.c')
| -rw-r--r-- | target/arm/monitor.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target/arm/monitor.c b/target/arm/monitor.c index 198b14e95e..80c64fa355 100644 --- a/target/arm/monitor.c +++ b/target/arm/monitor.c @@ -95,6 +95,7 @@ static const char *cpu_model_advertised_features[] = { "sve640", "sve768", "sve896", "sve1024", "sve1152", "sve1280", "sve1408", "sve1536", "sve1664", "sve1792", "sve1920", "sve2048", "kvm-no-adjvtime", "kvm-steal-time", + "pauth", "pauth-impdef", NULL }; |