From 6979cf230ebfb9828f52dfce42ef1f59296ac13d Mon Sep 17 00:00:00 2001
From: konrad <konrad@serenityos.org>
Date: Sun, 8 Jan 2023 04:44:22 +0100
Subject: [PATCH] Kernel: Print Aarch64 CPU features during CPU initialization

---
 Kernel/Arch/aarch64/Processor.cpp | 3 +++
 Kernel/Arch/aarch64/Processor.h   | 1 +
 2 files changed, 4 insertions(+)

diff --git a/Kernel/Arch/aarch64/Processor.cpp b/Kernel/Arch/aarch64/Processor.cpp
index c4f960aed1..c287084b34 100644
--- a/Kernel/Arch/aarch64/Processor.cpp
+++ b/Kernel/Arch/aarch64/Processor.cpp
@@ -11,6 +11,7 @@
 #include <Kernel/Arch/TrapFrame.h>
 #include <Kernel/Arch/aarch64/ASM_wrapper.h>
 #include <Kernel/Arch/aarch64/CPU.h>
+#include <Kernel/Arch/aarch64/CPUID.h>
 #include <Kernel/InterruptDisabler.h>
 #include <Kernel/Process.h>
 #include <Kernel/Random.h>
@@ -30,6 +31,7 @@ Processor* g_current_processor;
 void Processor::install(u32 cpu)
 {
     VERIFY(g_current_processor == nullptr);
+    m_cpu = cpu;
     m_features = detect_cpu_features();
 
     initialize_exceptions(cpu);
@@ -39,6 +41,7 @@ void Processor::install(u32 cpu)
 
 void Processor::initialize()
 {
+    dmesgln("CPU[{}]: Supports {}", m_cpu, build_cpu_feature_names(m_features));
 }
 
 [[noreturn]] void Processor::halt()
diff --git a/Kernel/Arch/aarch64/Processor.h b/Kernel/Arch/aarch64/Processor.h
index bd71bb138f..f315f2da40 100644
--- a/Kernel/Arch/aarch64/Processor.h
+++ b/Kernel/Arch/aarch64/Processor.h
@@ -284,6 +284,7 @@ public:
 private:
     Processor(Processor const&) = delete;
 
+    u32 m_cpu;
     CPUFeature::Type m_features;
 
     Thread* m_current_thread;