diff options
Diffstat (limited to 'arch/arm64/include/asm/cpufeature.h')
| -rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 68 |
1 files changed, 35 insertions, 33 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index fd7d75a275f6..a08672286b4c 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -553,7 +553,7 @@ cpuid_feature_cap_perfmon_field(u64 features, int field, u64 cap) u64 mask = GENMASK_ULL(field + 3, field); /* Treat IMPLEMENTATION DEFINED functionality as unimplemented */ - if (val == ID_AA64DFR0_PMUVER_IMP_DEF) + if (val == ID_AA64DFR0_EL1_PMUVer_IMP_DEF) val = 0; if (val > cap) { @@ -597,43 +597,43 @@ static inline s64 arm64_ftr_value(const struct arm64_ftr_bits *ftrp, u64 val) static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0) { - return cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_BIGENDEL_SHIFT) == 0x1 || - cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_BIGENDEL0_SHIFT) == 0x1; + return cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_EL1_BIGEND_SHIFT) == 0x1 || + cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_EL1_BIGENDEL0_SHIFT) == 0x1; } static inline bool id_aa64pfr0_32bit_el1(u64 pfr0) { - u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_SHIFT); + u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_EL1_SHIFT); - return val == ID_AA64PFR0_ELx_32BIT_64BIT; + return val == ID_AA64PFR0_EL1_ELx_32BIT_64BIT; } static inline bool id_aa64pfr0_32bit_el0(u64 pfr0) { - u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL0_SHIFT); + u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_EL0_SHIFT); - return val == ID_AA64PFR0_ELx_32BIT_64BIT; + return val == ID_AA64PFR0_EL1_ELx_32BIT_64BIT; } static inline bool id_aa64pfr0_sve(u64 pfr0) { - u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_SVE_SHIFT); + u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_SVE_SHIFT); return val > 0; } static inline bool id_aa64pfr1_sme(u64 pfr1) { - u32 val = cpuid_feature_extract_unsigned_field(pfr1, ID_AA64PFR1_SME_SHIFT); + u32 val = cpuid_feature_extract_unsigned_field(pfr1, ID_AA64PFR1_EL1_SME_SHIFT); return val > 0; } static inline bool id_aa64pfr1_mte(u64 pfr1) { - u32 val = cpuid_feature_extract_unsigned_field(pfr1, ID_AA64PFR1_MTE_SHIFT); + u32 val = cpuid_feature_extract_unsigned_field(pfr1, ID_AA64PFR1_EL1_MTE_SHIFT); - return val >= ID_AA64PFR1_MTE; + return val >= ID_AA64PFR1_EL1_MTE_MTE2; } void __init setup_cpu_features(void); @@ -659,7 +659,7 @@ static inline bool supports_csv2p3(int scope) pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1); csv2_val = cpuid_feature_extract_unsigned_field(pfr0, - ID_AA64PFR0_CSV2_SHIFT); + ID_AA64PFR0_EL1_CSV2_SHIFT); return csv2_val == 3; } @@ -694,10 +694,10 @@ static inline bool system_supports_4kb_granule(void) mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); val = cpuid_feature_extract_unsigned_field(mmfr0, - ID_AA64MMFR0_TGRAN4_SHIFT); + ID_AA64MMFR0_EL1_TGRAN4_SHIFT); - return (val >= ID_AA64MMFR0_TGRAN4_SUPPORTED_MIN) && - (val <= ID_AA64MMFR0_TGRAN4_SUPPORTED_MAX); + return (val >= ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN) && + (val <= ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX); } static inline bool system_supports_64kb_granule(void) @@ -707,10 +707,10 @@ static inline bool system_supports_64kb_granule(void) mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); val = cpuid_feature_extract_unsigned_field(mmfr0, - ID_AA64MMFR0_TGRAN64_SHIFT); + ID_AA64MMFR0_EL1_TGRAN64_SHIFT); - return (val >= ID_AA64MMFR0_TGRAN64_SUPPORTED_MIN) && - (val <= ID_AA64MMFR0_TGRAN64_SUPPORTED_MAX); + return (val >= ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN) && + (val <= ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX); } static inline bool system_supports_16kb_granule(void) @@ -720,10 +720,10 @@ static inline bool system_supports_16kb_granule(void) mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); val = cpuid_feature_extract_unsigned_field(mmfr0, - ID_AA64MMFR0_TGRAN16_SHIFT); + ID_AA64MMFR0_EL1_TGRAN16_SHIFT); - return (val >= ID_AA64MMFR0_TGRAN16_SUPPORTED_MIN) && - (val <= ID_AA64MMFR0_TGRAN16_SUPPORTED_MAX); + return (val >= ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN) && + (val <= ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX); } static inline bool system_supports_mixed_endian_el0(void) @@ -738,7 +738,7 @@ static inline bool system_supports_mixed_endian(void) mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); val = cpuid_feature_extract_unsigned_field(mmfr0, - ID_AA64MMFR0_BIGENDEL_SHIFT); + ID_AA64MMFR0_EL1_BIGEND_SHIFT); return val == 0x1; } @@ -840,13 +840,13 @@ extern int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt); static inline u32 id_aa64mmfr0_parange_to_phys_shift(int parange) { switch (parange) { - case ID_AA64MMFR0_PARANGE_32: return 32; - case ID_AA64MMFR0_PARANGE_36: return 36; - case ID_AA64MMFR0_PARANGE_40: return 40; - case ID_AA64MMFR0_PARANGE_42: return 42; - case ID_AA64MMFR0_PARANGE_44: return 44; - case ID_AA64MMFR0_PARANGE_48: return 48; - case ID_AA64MMFR0_PARANGE_52: return 52; + case ID_AA64MMFR0_EL1_PARANGE_32: return 32; + case ID_AA64MMFR0_EL1_PARANGE_36: return 36; + case ID_AA64MMFR0_EL1_PARANGE_40: return 40; + case ID_AA64MMFR0_EL1_PARANGE_42: return 42; + case ID_AA64MMFR0_EL1_PARANGE_44: return 44; + case ID_AA64MMFR0_EL1_PARANGE_48: return 48; + case ID_AA64MMFR0_EL1_PARANGE_52: return 52; /* * A future PE could use a value unknown to the kernel. * However, by the "D10.1.4 Principles of the ID scheme @@ -868,14 +868,14 @@ static inline bool cpu_has_hw_af(void) mmfr1 = read_cpuid(ID_AA64MMFR1_EL1); return cpuid_feature_extract_unsigned_field(mmfr1, - ID_AA64MMFR1_HADBS_SHIFT); + ID_AA64MMFR1_EL1_HAFDBS_SHIFT); } static inline bool cpu_has_pan(void) { u64 mmfr1 = read_cpuid(ID_AA64MMFR1_EL1); return cpuid_feature_extract_unsigned_field(mmfr1, - ID_AA64MMFR1_PAN_SHIFT); + ID_AA64MMFR1_EL1_PAN_SHIFT); } #ifdef CONFIG_ARM64_AMU_EXTN @@ -896,8 +896,8 @@ static inline unsigned int get_vmid_bits(u64 mmfr1) int vmid_bits; vmid_bits = cpuid_feature_extract_unsigned_field(mmfr1, - ID_AA64MMFR1_VMIDBITS_SHIFT); - if (vmid_bits == ID_AA64MMFR1_VMIDBITS_16) + ID_AA64MMFR1_EL1_VMIDBits_SHIFT); + if (vmid_bits == ID_AA64MMFR1_EL1_VMIDBits_16) return 16; /* @@ -907,6 +907,8 @@ static inline unsigned int get_vmid_bits(u64 mmfr1) return 8; } +struct arm64_ftr_reg *get_arm64_ftr_reg(u32 sys_id); + extern struct arm64_ftr_override id_aa64mmfr1_override; extern struct arm64_ftr_override id_aa64pfr0_override; extern struct arm64_ftr_override id_aa64pfr1_override; |