arm64/kernel/cpufeature.c

1538 has_always(const struct arm64_cpu_capabilities *entry, int scope)
1571 read_scoped_sysreg(const struct arm64_cpu_capabilities *entry, int scope)
1573 	WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible());
1574 	if (scope == SCOPE_SYSTEM)
1581 has_user_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope)
1585 	u64 val = read_scoped_sysreg(entry, scope);
1601 has_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope)
1603 	u64 val = read_scoped_sysreg(entry, scope);
1651 static bool has_32bit_el0(const struct arm64_cpu_capabilities *entry, int scope)
1653 	if (!has_cpuid_feature(entry, scope))
1656 	if (scope == SCOPE_SYSTEM)
1662 static bool has_useable_gicv3_cpuif(const struct arm64_cpu_capabilities *entry, int scope)
1666 	if (!has_cpuid_feature(entry, scope))
1678 			  int scope)
1682 	if (scope == SCOPE_SYSTEM)
1703 			  int scope)
1707 	if (scope == SCOPE_SYSTEM)
1716 has_useable_cnp(const struct arm64_cpu_capabilities *entry, int scope)
1729 	return has_cpuid_feature(entry, scope);
1736 				int scope)
1763 	if (has_cpuid_feature(entry, scope))
1811 static bool has_nv1(const struct arm64_cpu_capabilities *entry, int scope)
1829 		!(has_cpuid_feature(entry, scope) ||
1852 static bool has_lpa2(const struct arm64_cpu_capabilities *entry, int scope)
1860 static bool has_lpa2(const struct arm64_cpu_capabilities *entry, int scope)
2125 				    int scope)
2130 	if (!has_cpuid_feature(cap, scope)) {
2167 static bool has_address_auth_cpucap(const struct arm64_cpu_capabilities *entry, int scope)
2172 	WARN_ON(scope == SCOPE_SYSTEM);
2185 	if (scope & SCOPE_BOOT_CPU)
2187 	/* Now check for the secondary CPUs with SCOPE_LOCAL_CPU scope */
2194 				     int scope)
2196 	bool api = has_address_auth_cpucap(cpucap_ptrs[ARM64_HAS_ADDRESS_AUTH_IMP_DEF], scope);
2197 	bool apa = has_address_auth_cpucap(cpucap_ptrs[ARM64_HAS_ADDRESS_AUTH_ARCH_QARMA5], scope);
2198 	bool apa3 = has_address_auth_cpucap(cpucap_ptrs[ARM64_HAS_ADDRESS_AUTH_ARCH_QARMA3], scope);
2224 				   int scope)
2238 				      int scope)
3032 static bool compat_has_neon(const struct arm64_cpu_capabilities *cap, int scope)
3041 	WARN_ON(scope == SCOPE_LOCAL_CPU && preemptible());
3042 	if (scope == SCOPE_SYSTEM)
3156  * with BOOT_CPU scope are handled separately and hence skipped here.
3199 			 * Capabilities with SCOPE_BOOT_CPU scope are finalised
3211 	 * For all non-boot scope capabilities, use stop_machine()