Lines Matching full:extension

581 	bool "Supm extension for userspace pointer masking"
586 	  underlying hardware extension (Smnpm or Ssnpm) is detected at boot.
592 	bool "Svnapot extension support for supervisor mode NAPOT pages"
597 	  Enable support for the Svnapot ISA-extension when it is detected
600 	  The Svnapot extension is used to mark contiguous PTEs as a range
606 	  the Svnapot extension, it may be better to say N here.
611 	bool "Svpbmt extension support for supervisor mode page-based memory types"
616 	   Add support for the Svpbmt ISA-extension (Supervisor-mode:
623 	   The Svpbmt extension is only available on 64-bit cpus.
636 	bool "Vector extension support"
642 	  Add support for the Vector extension when it is detected at boot.
682 	bool "Zawrs extension support for more efficient busy waiting"
686 	  The Zawrs extension defines instructions to be used in polling loops
689 	  use of these instructions in the kernel when the Zawrs extension is
700 	bool "Zabha extension support for atomic byte/halfword operations"
705 	  Enable the use of the Zabha ISA-extension to implement kernel
718 	bool "Zacas extension support for atomic CAS"
723 	  Enable the use of the Zacas ISA-extension to implement kernel atomic
752 	bool "Zba extension support for bit manipulation instructions"
756 	   extension is detected at boot.
758 	   The Zba extension provides instructions to accelerate the generation
764 	bool "Zbb extension support for bit manipulation instructions"
769 	   Zbb extension is detected at boot. Some optimisations may
772 	   The Zbb extension provides instructions to accelerate a number
787 	bool "Zbc extension support for carry-less multiplication instructions"
794 	   extension (carry-less multiplication) and enable its usage.
796 	   The Zbc extension could accelerate CRC (cyclic redundancy check)
810 	bool "Zbkb extension support for bit manipulation instructions"
816 	   extension (bit manipulation for cryptography) and enable its usage.
818 	   The Zbkb extension provides instructions to accelerate a number
824 	bool "Zicbom extension support for non-coherent DMA operation"
831 	   Add support for the Zicbom extension (Cache Block Management
835 	   The Zicbom extension can be used to handle for example
841 	bool "Zicboz extension support for faster zeroing of memory"
845 	   Enable the use of the Zicboz extension (cbo.zero instruction)
848 	   The Zicboz extension is used for faster zeroing of memory.
853 	bool "Zicbop extension support for cache block prefetch"
859 	  extension (Cache Block Prefetch Operations) and enable its
862 	  The Zicbop extension can be used to prefetch cache blocks for
874 	  20191213 version, which moves some instructions from the I extension to
1059 	  on older firmware without SBI HSM extension. All other platforms should
1060 	  rely on ordered booting via SBI HSM extension which gets chosen
1306 	bool "Permit falling back to parsing riscv,isa for extension support by default"