s64 arm64_ftr_safe_value(const struct arm64_ftr_bits *ftrp, s64 new, s64 cur);
struct arm64_ftr_reg *get_arm64_ftr_reg(u32 sys_id);
+extern struct arm64_ftr_override id_aa64mmfr0_override;
extern struct arm64_ftr_override id_aa64mmfr1_override;
+extern struct arm64_ftr_override id_aa64mmfr2_override;
extern struct arm64_ftr_override id_aa64pfr0_override;
extern struct arm64_ftr_override id_aa64pfr1_override;
extern struct arm64_ftr_override id_aa64zfr0_override;
u64 mmfr2;
mmfr2 = read_sysreg_s(SYS_ID_AA64MMFR2_EL1);
+ mmfr2 &= ~id_aa64mmfr2_override.mask;
+ mmfr2 |= id_aa64mmfr2_override.val;
return cpuid_feature_extract_unsigned_field(mmfr2,
ID_AA64MMFR2_EL1_VARange_SHIFT);
}