RISC-V: Add Zba, Zbs extension probing

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Add the Zba address bit manipulation extension and Zbs single bit
instructions extension into those the kernel is aware of and maintains
in its riscv_isa bitmap.

Signed-off-by: Evan Green <evan@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Heiko Stuebner <heiko.stuebner@vrull.eu>
Link: https://lore.kernel.org/r/20230509182504.2997252-2-evan@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Evan Green 2023-05-09 11:25:01 -07:00 • committed by Palmer Dabbelt

parent ac9a78681b

commit c6699baf10

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2

arch/riscv/include/asm/hwcap.h

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arch/riscv/kernel/cpu.c

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2

arch/riscv/kernel/cpufeature.c

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