diff options
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 0525ee2d63c7..9f38a5ecbee3 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -610,6 +610,18 @@ config TOOLCHAIN_HAS_VECTOR_CRYPTO def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb) depends on AS_HAS_OPTION_ARCH +config RISCV_ISA_ZBA + bool "Zba extension support for bit manipulation instructions" + default y + help + Add support for enabling optimisations in the kernel when the Zba + extension is detected at boot. + + The Zba extension provides instructions to accelerate the generation + of addresses that index into arrays of basic data types. + + If you don't know what to do here, say Y. + config RISCV_ISA_ZBB bool "Zbb extension support for bit manipulation instructions" depends on TOOLCHAIN_HAS_ZBB |