The Ampere1B is Ampere's third-generation core implementing a superscalar, out-of-order microarchitecture with nested virtualization, speculative side-channel mitigation and architectural support for defense against ROP/JOP style software attacks. Ampere1B is an ARMv8.7+ implementation, adding support for the FEAT WFxT, FEAT CSSC, FEAT PAN3 and FEAT AFP extensions. It also includes all features of the second-generation Ampere1A, such as the Memory Tagging Extension and SM3/SM4 cryptography instructions.
20 KiB
20 KiB