Kernel: Add Aarch64 CPU feature detection

1 files changed, 8 insertions, 0 deletions

diff --git a/Kernel/Arch/aarch64/Processor.h b/Kernel/Arch/aarch64/Processor.h
index cc2f2f60e6..b06b3714db 100644
--- a/Kernel/Arch/aarch64/Processor.h
+++ b/Kernel/Arch/aarch64/Processor.h
@@ -12,6 +12,7 @@
 #include <AK/Types.h>
 
 #include <Kernel/Arch/ProcessorSpecificDataID.h>
+#include <Kernel/Arch/aarch64/CPUID.h>
 #include <Kernel/Arch/aarch64/Registers.h>
 #include <Kernel/VirtualAddress.h>
 
@@ -136,6 +137,11 @@ public:
         return false;
     }
 
+    ALWAYS_INLINE bool has_feature(CPUFeature::Type const& feature) const
+    {
+        return m_features.has_flag(feature);
+    }
+
     ALWAYS_INLINE static FlatPtr current_in_irq()
     {
         return current().m_in_irq;
@@ -277,6 +283,8 @@ public:
 private:
     Processor(Processor const&) = delete;
 
+    CPUFeature::Type m_features;
+
     Thread* m_current_thread;
     Thread* m_idle_thread;
     u32 m_in_critical { 0 };