CONFIG_RISCV_ISA_ZICBOP: Zicbop extension support for cache block prefetch

General informations

The Linux kernel configuration item CONFIG_RISCV_ISA_ZICBOP:

• prompt: Zicbop extension support for cache block prefetch
• type: bool
• depends on: ( CONFIG_MMU ) && ( CONFIG_RISCV_ALTERNATIVE )
• defined in arch/riscv/Kconfig
• found in Linux kernels: 6.16-rc+HEAD

Help text

Adds support to dynamically detect the presence of the ZICBOP extension (Cache Block Prefetch Operations) and enable its usage.

The Zicbop extension can be used to prefetch cache blocks for read/write fetch.

If you don't know what to do here, say Y.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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