RISC-V: hwprobe: Expose Zicboz extension and its block size

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Expose Zicboz through hwprobe and also provide a key to extract its
respective block size. Opportunistically add a macro and apply it to
current extensions in order to avoid duplicating code.

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Evan Green <evan@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230918131518.56803-11-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Andrew Jones 2023-09-18 15:15:22 +02:00 • committed by Palmer Dabbelt

parent 43c16d51a1

commit 9c7646d5ff

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GPG key ID: 2E1319F35FBB1889

4 changed files with 41 additions and 15 deletions

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6

Documentation/riscv/hwprobe.rst

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2

arch/riscv/include/asm/hwprobe.h

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2

arch/riscv/include/uapi/asm/hwprobe.h

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44

arch/riscv/kernel/sys_riscv.c

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