};
static const struct arm64_ftr_bits ftr_id_aa64isar2[] = {
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_LUT_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_CSSC_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_RPRFM_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_CLRBHB_SHIFT, 4, 0),
ARM64_FTR_END,
};
+static const struct arm64_ftr_bits ftr_id_aa64isar3[] = {
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR3_EL1_FAMINMAX_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
static const struct arm64_ftr_bits ftr_id_aa64pfr0[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_CSV3_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_CSV2_SHIFT, 4, 0),
ARM64_FTR_END,
};
+static const struct arm64_ftr_bits ftr_id_aa64pfr2[] = {
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR2_EL1_FPMR_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
static const struct arm64_ftr_bits ftr_id_aa64zfr0[] = {
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SVE),
FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ZFR0_EL1_F64MM_SHIFT, 4, 0),
static const struct arm64_ftr_bits ftr_id_aa64smfr0[] = {
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_FA64_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
+ FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_LUTv2_SHIFT, 1, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_SMEver_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_B16B16_SHIFT, 1, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_F16F16_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
+ FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_F8F16_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
+ FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_F8F32_SHIFT, 1, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_I8I32_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_BI32I32_SHIFT, 1, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_F32F32_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
+ FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_SF8FMA_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
+ FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_SF8DP4_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SME),
+ FTR_STRICT, FTR_EXACT, ID_AA64SMFR0_EL1_SF8DP2_SHIFT, 1, 0),
+ ARM64_FTR_END,
+};
+
+static const struct arm64_ftr_bits ftr_id_aa64fpfr0[] = {
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, ID_AA64FPFR0_EL1_F8CVT_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, ID_AA64FPFR0_EL1_F8FMA_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, ID_AA64FPFR0_EL1_F8DP4_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, ID_AA64FPFR0_EL1_F8DP2_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, ID_AA64FPFR0_EL1_F8E4M3_SHIFT, 1, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_EXACT, ID_AA64FPFR0_EL1_F8E5M2_SHIFT, 1, 0),
ARM64_FTR_END,
};
#define ARM64_FTR_REG(id, table) \
__ARM64_FTR_REG_OVERRIDE(#id, id, table, &no_override)
-struct arm64_ftr_override __ro_after_init id_aa64mmfr1_override;
-struct arm64_ftr_override __ro_after_init id_aa64pfr0_override;
-struct arm64_ftr_override __ro_after_init id_aa64pfr1_override;
-struct arm64_ftr_override __ro_after_init id_aa64zfr0_override;
-struct arm64_ftr_override __ro_after_init id_aa64smfr0_override;
-struct arm64_ftr_override __ro_after_init id_aa64isar1_override;
-struct arm64_ftr_override __ro_after_init id_aa64isar2_override;
+struct arm64_ftr_override id_aa64mmfr0_override;
+struct arm64_ftr_override id_aa64mmfr1_override;
+struct arm64_ftr_override id_aa64mmfr2_override;
+struct arm64_ftr_override id_aa64pfr0_override;
+struct arm64_ftr_override id_aa64pfr1_override;
+struct arm64_ftr_override id_aa64zfr0_override;
+struct arm64_ftr_override id_aa64smfr0_override;
+struct arm64_ftr_override id_aa64isar1_override;
+struct arm64_ftr_override id_aa64isar2_override;
struct arm64_ftr_override arm64_sw_feature_override;
&id_aa64pfr0_override),
ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1,
&id_aa64pfr1_override),
+ ARM64_FTR_REG(SYS_ID_AA64PFR2_EL1, ftr_id_aa64pfr2),
ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64ZFR0_EL1, ftr_id_aa64zfr0,
&id_aa64zfr0_override),
ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64SMFR0_EL1, ftr_id_aa64smfr0,
&id_aa64smfr0_override),
+ ARM64_FTR_REG(SYS_ID_AA64FPFR0_EL1, ftr_id_aa64fpfr0),
/* Op1 = 0, CRn = 0, CRm = 5 */
ARM64_FTR_REG(SYS_ID_AA64DFR0_EL1, ftr_id_aa64dfr0),
&id_aa64isar1_override),
ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64ISAR2_EL1, ftr_id_aa64isar2,
&id_aa64isar2_override),
+ ARM64_FTR_REG(SYS_ID_AA64ISAR3_EL1, ftr_id_aa64isar3),
/* Op1 = 0, CRn = 0, CRm = 7 */
- ARM64_FTR_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0),
+ ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0,
+ &id_aa64mmfr0_override),
ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1,
&id_aa64mmfr1_override),
- ARM64_FTR_REG(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2),
+ ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2,
+ &id_aa64mmfr2_override),
ARM64_FTR_REG(SYS_ID_AA64MMFR3_EL1, ftr_id_aa64mmfr3),
ARM64_FTR_REG(SYS_ID_AA64MMFR4_EL1, ftr_id_aa64mmfr4),
init_cpu_ftr_reg(SYS_ID_AA64ISAR0_EL1, info->reg_id_aa64isar0);
init_cpu_ftr_reg(SYS_ID_AA64ISAR1_EL1, info->reg_id_aa64isar1);
init_cpu_ftr_reg(SYS_ID_AA64ISAR2_EL1, info->reg_id_aa64isar2);
+ init_cpu_ftr_reg(SYS_ID_AA64ISAR3_EL1, info->reg_id_aa64isar3);
init_cpu_ftr_reg(SYS_ID_AA64MMFR0_EL1, info->reg_id_aa64mmfr0);
init_cpu_ftr_reg(SYS_ID_AA64MMFR1_EL1, info->reg_id_aa64mmfr1);
init_cpu_ftr_reg(SYS_ID_AA64MMFR2_EL1, info->reg_id_aa64mmfr2);
init_cpu_ftr_reg(SYS_ID_AA64MMFR4_EL1, info->reg_id_aa64mmfr4);
init_cpu_ftr_reg(SYS_ID_AA64PFR0_EL1, info->reg_id_aa64pfr0);
init_cpu_ftr_reg(SYS_ID_AA64PFR1_EL1, info->reg_id_aa64pfr1);
+ init_cpu_ftr_reg(SYS_ID_AA64PFR2_EL1, info->reg_id_aa64pfr2);
init_cpu_ftr_reg(SYS_ID_AA64ZFR0_EL1, info->reg_id_aa64zfr0);
init_cpu_ftr_reg(SYS_ID_AA64SMFR0_EL1, info->reg_id_aa64smfr0);
+ init_cpu_ftr_reg(SYS_ID_AA64FPFR0_EL1, info->reg_id_aa64fpfr0);
if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0))
init_32bit_cpu_features(&info->aarch32);
info->reg_id_aa64isar1, boot->reg_id_aa64isar1);
taint |= check_update_ftr_reg(SYS_ID_AA64ISAR2_EL1, cpu,
info->reg_id_aa64isar2, boot->reg_id_aa64isar2);
+ taint |= check_update_ftr_reg(SYS_ID_AA64ISAR3_EL1, cpu,
+ info->reg_id_aa64isar3, boot->reg_id_aa64isar3);
/*
* Differing PARange support is fine as long as all peripherals and
info->reg_id_aa64pfr0, boot->reg_id_aa64pfr0);
taint |= check_update_ftr_reg(SYS_ID_AA64PFR1_EL1, cpu,
info->reg_id_aa64pfr1, boot->reg_id_aa64pfr1);
+ taint |= check_update_ftr_reg(SYS_ID_AA64PFR2_EL1, cpu,
+ info->reg_id_aa64pfr2, boot->reg_id_aa64pfr2);
taint |= check_update_ftr_reg(SYS_ID_AA64ZFR0_EL1, cpu,
info->reg_id_aa64zfr0, boot->reg_id_aa64zfr0);
taint |= check_update_ftr_reg(SYS_ID_AA64SMFR0_EL1, cpu,
info->reg_id_aa64smfr0, boot->reg_id_aa64smfr0);
+ taint |= check_update_ftr_reg(SYS_ID_AA64FPFR0_EL1, cpu,
+ info->reg_id_aa64fpfr0, boot->reg_id_aa64fpfr0);
+
/* Probe vector lengths */
if (IS_ENABLED(CONFIG_ARM64_SVE) &&
id_aa64pfr0_sve(read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1))) {
read_sysreg_case(SYS_ID_AA64PFR0_EL1);
read_sysreg_case(SYS_ID_AA64PFR1_EL1);
+ read_sysreg_case(SYS_ID_AA64PFR2_EL1);
read_sysreg_case(SYS_ID_AA64ZFR0_EL1);
read_sysreg_case(SYS_ID_AA64SMFR0_EL1);
+ read_sysreg_case(SYS_ID_AA64FPFR0_EL1);
read_sysreg_case(SYS_ID_AA64DFR0_EL1);
read_sysreg_case(SYS_ID_AA64DFR1_EL1);
read_sysreg_case(SYS_ID_AA64MMFR0_EL1);
read_sysreg_case(SYS_ID_AA64ISAR0_EL1);
read_sysreg_case(SYS_ID_AA64ISAR1_EL1);
read_sysreg_case(SYS_ID_AA64ISAR2_EL1);
+ read_sysreg_case(SYS_ID_AA64ISAR3_EL1);
read_sysreg_case(SYS_CNTFRQ_EL0);
read_sysreg_case(SYS_CTR_EL0);
return has_cpuid_feature(entry, scope);
}
-/*
- * This check is triggered during the early boot before the cpufeature
- * is initialised. Checking the status on the local CPU allows the boot
- * CPU to detect the need for non-global mappings and thus avoiding a
- * pagetable re-write after all the CPUs are booted. This check will be
- * anyway run on individual CPUs, allowing us to get the consistent
- * state once the SMP CPUs are up and thus make the switch to non-global
- * mappings if required.
- */
-bool kaslr_requires_kpti(void)
-{
- if (!IS_ENABLED(CONFIG_RANDOMIZE_BASE))
- return false;
-
- /*
- * E0PD does a similar job to KPTI so can be used instead
- * where available.
- */
- if (IS_ENABLED(CONFIG_ARM64_E0PD)) {
- u64 mmfr2 = read_sysreg_s(SYS_ID_AA64MMFR2_EL1);
- if (cpuid_feature_extract_unsigned_field(mmfr2,
- ID_AA64MMFR2_EL1_E0PD_SHIFT))
- return false;
- }
-
- /*
- * Systems affected by Cavium erratum 24756 are incompatible
- * with KPTI.
- */
- if (IS_ENABLED(CONFIG_CAVIUM_ERRATUM_27456)) {
- extern const struct midr_range cavium_erratum_27456_cpus[];
-
- if (is_midr_in_range_list(read_cpuid_id(),
- cavium_erratum_27456_cpus))
- return false;
- }
-
- return kaslr_enabled();
-}
-
static bool __meltdown_safe = true;
static int __kpti_forced; /* 0: not forced, >0: forced on, <0: forced off */
}
/* Useful for KASLR robustness */
- if (kaslr_requires_kpti()) {
+ if (kaslr_enabled() && kaslr_requires_kpti()) {
if (!__kpti_forced) {
str = "KASLR";
__kpti_forced = 1;
pgd_t *kpti_ng_temp_pgd;
u64 alloc = 0;
+ if (levels == 5 && !pgtable_l5_enabled())
+ levels = 4;
+ else if (levels == 4 && !pgtable_l4_enabled())
+ levels = 3;
+
remap_fn = (void *)__pa_symbol(idmap_kpti_install_ng_mappings);
if (!cpu) {
//
// The physical pages are laid out as follows:
//
- // +--------+-/-------+-/------ +-\\--------+
- // : PTE[] : | PMD[] : | PUD[] : || PGD[] :
- // +--------+-\-------+-\------ +-//--------+
+ // +--------+-/-------+-/------ +-/------ +-\\\--------+
+ // : PTE[] : | PMD[] : | PUD[] : | P4D[] : ||| PGD[] :
+ // +--------+-\-------+-\------ +-\------ +-///--------+
// ^
// The first page is mapped into this hierarchy at a PMD_SHIFT
// aligned virtual address, so that we can manipulate the PTE
static bool hvhe_possible(const struct arm64_cpu_capabilities *entry,
int __unused)
{
- u64 val;
-
- val = read_sysreg(id_aa64mmfr1_el1);
- if (!cpuid_feature_extract_unsigned_field(val, ID_AA64MMFR1_EL1_VH_SHIFT))
- return false;
-
- val = arm64_sw_feature_override.val & arm64_sw_feature_override.mask;
- return cpuid_feature_extract_unsigned_field(val, ARM64_SW_FEATURE_OVERRIDE_HVHE);
+ return arm64_test_sw_feature_override(ARM64_SW_FEATURE_OVERRIDE_HVHE);
}
#ifdef CONFIG_ARM64_PAN
.type = ARM64_CPUCAP_SYSTEM_FEATURE,
.matches = has_lpa2,
},
+ {
+ .desc = "FPMR",
+ .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+ .capability = ARM64_HAS_FPMR,
+ .matches = has_cpuid_feature,
+ .cpu_enable = cpu_enable_fpmr,
+ ARM64_CPUID_FIELDS(ID_AA64PFR2_EL1, FPMR, IMP)
+ },
+#ifdef CONFIG_ARM64_VA_BITS_52
+ {
+ .capability = ARM64_HAS_VA52,
+ .type = ARM64_CPUCAP_BOOT_CPU_FEATURE,
+ .matches = has_cpuid_feature,
+#ifdef CONFIG_ARM64_64K_PAGES
+ .desc = "52-bit Virtual Addressing (LVA)",
+ ARM64_CPUID_FIELDS(ID_AA64MMFR2_EL1, VARange, 52)
+#else
+ .desc = "52-bit Virtual Addressing (LPA2)",
+#ifdef CONFIG_ARM64_4K_PAGES
+ ARM64_CPUID_FIELDS(ID_AA64MMFR0_EL1, TGRAN4, 52_BIT)
+#else
+ ARM64_CPUID_FIELDS(ID_AA64MMFR0_EL1, TGRAN16, 52_BIT)
+#endif
+#endif
+ },
+#endif
{
.desc = "NV1",
.capability = ARM64_HAS_HCR_NV1,
HWCAP_CAP(ID_AA64PFR0_EL1, AdvSIMD, IMP, CAP_HWCAP, KERNEL_HWCAP_ASIMD),
HWCAP_CAP(ID_AA64PFR0_EL1, AdvSIMD, FP16, CAP_HWCAP, KERNEL_HWCAP_ASIMDHP),
HWCAP_CAP(ID_AA64PFR0_EL1, DIT, IMP, CAP_HWCAP, KERNEL_HWCAP_DIT),
+ HWCAP_CAP(ID_AA64PFR2_EL1, FPMR, IMP, CAP_HWCAP, KERNEL_HWCAP_FPMR),
HWCAP_CAP(ID_AA64ISAR1_EL1, DPB, IMP, CAP_HWCAP, KERNEL_HWCAP_DCPOP),
HWCAP_CAP(ID_AA64ISAR1_EL1, DPB, DPB2, CAP_HWCAP, KERNEL_HWCAP_DCPODP),
HWCAP_CAP(ID_AA64ISAR1_EL1, JSCVT, IMP, CAP_HWCAP, KERNEL_HWCAP_JSCVT),
HWCAP_CAP(ID_AA64ISAR1_EL1, BF16, EBF16, CAP_HWCAP, KERNEL_HWCAP_EBF16),
HWCAP_CAP(ID_AA64ISAR1_EL1, DGH, IMP, CAP_HWCAP, KERNEL_HWCAP_DGH),
HWCAP_CAP(ID_AA64ISAR1_EL1, I8MM, IMP, CAP_HWCAP, KERNEL_HWCAP_I8MM),
+ HWCAP_CAP(ID_AA64ISAR2_EL1, LUT, IMP, CAP_HWCAP, KERNEL_HWCAP_LUT),
+ HWCAP_CAP(ID_AA64ISAR3_EL1, FAMINMAX, IMP, CAP_HWCAP, KERNEL_HWCAP_FAMINMAX),
HWCAP_CAP(ID_AA64MMFR2_EL1, AT, IMP, CAP_HWCAP, KERNEL_HWCAP_USCAT),
#ifdef CONFIG_ARM64_SVE
HWCAP_CAP(ID_AA64PFR0_EL1, SVE, IMP, CAP_HWCAP, KERNEL_HWCAP_SVE),
#ifdef CONFIG_ARM64_SME
HWCAP_CAP(ID_AA64PFR1_EL1, SME, IMP, CAP_HWCAP, KERNEL_HWCAP_SME),
HWCAP_CAP(ID_AA64SMFR0_EL1, FA64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_FA64),
+ HWCAP_CAP(ID_AA64SMFR0_EL1, LUTv2, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_LUTV2),
HWCAP_CAP(ID_AA64SMFR0_EL1, SMEver, SME2p1, CAP_HWCAP, KERNEL_HWCAP_SME2P1),
HWCAP_CAP(ID_AA64SMFR0_EL1, SMEver, SME2, CAP_HWCAP, KERNEL_HWCAP_SME2),
HWCAP_CAP(ID_AA64SMFR0_EL1, I16I64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I64),
HWCAP_CAP(ID_AA64SMFR0_EL1, I16I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I32),
HWCAP_CAP(ID_AA64SMFR0_EL1, B16B16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_B16B16),
HWCAP_CAP(ID_AA64SMFR0_EL1, F16F16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F16F16),
+ HWCAP_CAP(ID_AA64SMFR0_EL1, F8F16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F8F16),
+ HWCAP_CAP(ID_AA64SMFR0_EL1, F8F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F8F32),
HWCAP_CAP(ID_AA64SMFR0_EL1, I8I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I8I32),
HWCAP_CAP(ID_AA64SMFR0_EL1, F16F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F16F32),
HWCAP_CAP(ID_AA64SMFR0_EL1, B16F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_B16F32),
HWCAP_CAP(ID_AA64SMFR0_EL1, BI32I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_BI32I32),
HWCAP_CAP(ID_AA64SMFR0_EL1, F32F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F32F32),
+ HWCAP_CAP(ID_AA64SMFR0_EL1, SF8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8FMA),
+ HWCAP_CAP(ID_AA64SMFR0_EL1, SF8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8DP4),
+ HWCAP_CAP(ID_AA64SMFR0_EL1, SF8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8DP2),
#endif /* CONFIG_ARM64_SME */
+ HWCAP_CAP(ID_AA64FPFR0_EL1, F8CVT, IMP, CAP_HWCAP, KERNEL_HWCAP_F8CVT),
+ HWCAP_CAP(ID_AA64FPFR0_EL1, F8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_F8FMA),
+ HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP4),
+ HWCAP_CAP(ID_AA64FPFR0_EL1, F8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8DP2),
+ HWCAP_CAP(ID_AA64FPFR0_EL1, F8E4M3, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E4M3),
+ HWCAP_CAP(ID_AA64FPFR0_EL1, F8E5M2, IMP, CAP_HWCAP, KERNEL_HWCAP_F8E5M2),
{},
};
boot_scope = !!(scope_mask & SCOPE_BOOT_CPU);
for (i = 0; i < ARM64_NCAPS; i++) {
- unsigned int num;
-
caps = cpucap_ptrs[i];
- if (!caps || !(caps->type & scope_mask))
- continue;
- num = caps->capability;
- if (!cpus_have_cap(num))
+ if (!caps || !(caps->type & scope_mask) ||
+ !cpus_have_cap(caps->capability))
continue;
if (boot_scope && caps->cpu_enable)
projects / linux-2.6-microblaze.git / blobdiff