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Edit File: Kconfig.erratas

menu "CPU errata selection" config RISCV_ERRATA_ALTERNATIVE bool "RISC-V alternative scheme" depends on !XIP_KERNEL default y help This Kconfig allows the kernel to automatically patch the errata required by the execution platform at run time. The code patching is performed once in the boot stages. It means that the overhead from this mechanism is just taken once. config ERRATA_SIFIVE bool "SiFive errata" depends on RISCV_ERRATA_ALTERNATIVE help All SiFive errata Kconfig depend on this Kconfig. Disabling this Kconfig will disable all SiFive errata. Please say "Y" here if your platform uses SiFive CPU cores. Otherwise, please say "N" here to avoid unnecessary overhead. config ERRATA_SIFIVE_CIP_453 bool "Apply SiFive errata CIP-453" depends on ERRATA_SIFIVE && 64BIT default y help This will apply the SiFive CIP-453 errata to add sign extension to the $badaddr when exception type is instruction page fault and instruction access fault. If you don't know what to do here, say "Y". config ERRATA_SIFIVE_CIP_1200 bool "Apply SiFive errata CIP-1200" depends on ERRATA_SIFIVE && 64BIT default y help This will apply the SiFive CIP-1200 errata to repalce all "sfence.vma addr" with "sfence.vma" to ensure that the addr has been flushed from TLB. If you don't know what to do here, say "Y". endmenu