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Diffstat (limited to 'docs/system/arm/cpu-features.rst')
| -rw-r--r-- | docs/system/arm/cpu-features.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/docs/system/arm/cpu-features.rst b/docs/system/arm/cpu-features.rst index a5fb929..37d5dfd 100644 --- a/docs/system/arm/cpu-features.rst +++ b/docs/system/arm/cpu-features.rst @@ -219,8 +219,11 @@ Below is the list of TCG VCPU features and their descriptions. ``pauth-qarma3`` When ``pauth`` is enabled, select the architected QARMA3 algorithm. -Without either ``pauth-impdef`` or ``pauth-qarma3`` enabled, -the architected QARMA5 algorithm is used. The architected QARMA5 +``pauth-qarma5`` + When ``pauth`` is enabled, select the architected QARMA5 algorithm. + +Without ``pauth-impdef``, ``pauth-qarma3`` or ``pauth-qarma5`` enabled, +the QEMU impdef algorithm is used. The architected QARMA5 and QARMA3 algorithms have good cryptographic properties, but can be quite slow to emulate. The impdef algorithm used by QEMU is non-cryptographic but significantly faster. |