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Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 66dc41fd49f2..0f39468dbc60 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1596,6 +1596,20 @@ config ARM64_AMU_EXTN correctly reflect reality. Most commonly, the value read will be 0, indicating that the counter is not enabled. +config AS_HAS_ARMV8_4 + def_bool $(cc-option,-Wa$(comma)-march=armv8.4-a) + +config ARM64_TLB_RANGE + bool "Enable support for tlbi range feature" + default y + depends on AS_HAS_ARMV8_4 + help + ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a + range of input addresses. + + The feature introduces new assembly instructions, and they were + support when binutils >= 2.30. + endmenu menu "ARMv8.5 architectural features" |