Lines Matching full:extension

567 	bool "Supm extension for userspace pointer masking"
572 	  underlying hardware extension (Smnpm or Ssnpm) is detected at boot.
578 	bool "Svnapot extension support for supervisor mode NAPOT pages"
583 	  Enable support for the Svnapot ISA-extension when it is detected
586 	  The Svnapot extension is used to mark contiguous PTEs as a range
592 	  the Svnapot extension, it may be better to say N here.
597 	bool "Svpbmt extension support for supervisor mode page-based memory types"
602 	   Add support for the Svpbmt ISA-extension (Supervisor-mode:
609 	   The Svpbmt extension is only available on 64-bit cpus.
622 	bool "Vector extension support"
628 	  Add support for the Vector extension when it is detected at boot.
668 	bool "Zawrs extension support for more efficient busy waiting"
672 	  The Zawrs extension defines instructions to be used in polling loops
675 	  use of these instructions in the kernel when the Zawrs extension is
686 	bool "Zabha extension support for atomic byte/halfword operations"
691 	  Enable the use of the Zabha ISA-extension to implement kernel
704 	bool "Zacas extension support for atomic CAS"
708 	  Enable the use of the Zacas ISA-extension to implement kernel atomic
737 	bool "Zba extension support for bit manipulation instructions"
741 	   extension is detected at boot.
743 	   The Zba extension provides instructions to accelerate the generation
749 	bool "Zbb extension support for bit manipulation instructions"
754 	   Zbb extension is detected at boot. Some optimisations may
757 	   The Zbb extension provides instructions to accelerate a number
772 	bool "Zbc extension support for carry-less multiplication instructions"
779 	   extension (carry-less multiplication) and enable its usage.
781 	   The Zbc extension could accelerate CRC (cyclic redundancy check)
795 	bool "Zbkb extension support for bit manipulation instructions"
801 	   extension (bit manipulation for cryptography) and enable its usage.
803 	   The Zbkb extension provides instructions to accelerate a number
809 	bool "Zicbom extension support for non-coherent DMA operation"
816 	   Add support for the Zicbom extension (Cache Block Management
820 	   The Zicbom extension can be used to handle for example
826 	bool "Zicboz extension support for faster zeroing of memory"
830 	   Enable the use of the Zicboz extension (cbo.zero instruction)
833 	   The Zicboz extension is used for faster zeroing of memory.
838 	bool "Zicbop extension support for cache block prefetch"
844 	  extension (Cache Block Prefetch Operations) and enable its
847 	  The Zicbop extension can be used to prefetch cache blocks for
859 	  20191213 version, which moves some instructions from the I extension to
1044 	  on older firmware without SBI HSM extension. All other platforms should
1045 	  rely on ordered booting via SBI HSM extension which gets chosen
1291 	bool "Permit falling back to parsing riscv,isa for extension support by default"