kvm, x86: Guard x86-specific APIs in KvmVM

Protect x86-specific APIs in KvmVM with compile-time guards to avoid
breaking ARM builds.

1 files changed, 21 insertions, 9 deletions

diff --git a/src/cpu/kvm/vm.hh b/src/cpu/kvm/vm.hh
index 84d526705..4710f2447 100644
--- a/src/cpu/kvm/vm.hh
+++ b/src/cpu/kvm/vm.hh
@@ -75,9 +75,6 @@ class Kvm
     friend class KvmVM;
 
   public:
-    typedef std::vector<struct kvm_cpuid_entry2> CPUIDVector;
-    typedef std::vector<uint32_t> MSRIndexVector;
-
     virtual ~Kvm();
 
     Kvm *create();
@@ -143,6 +140,16 @@ class Kvm
     bool capXSave() const;
     /** @} */
 
+#if defined(__i386__) || defined(__x86_64__)
+  public: // x86-specific
+    /**
+     * @{
+     * @name X86-specific APIs
+     */
+
+    typedef std::vector<struct kvm_cpuid_entry2> CPUIDVector;
+    typedef std::vector<uint32_t> MSRIndexVector;
+
     /**
      * Get the CPUID features supported by the hardware and Kvm.
      *
@@ -181,6 +188,17 @@ class Kvm
      */
     const MSRIndexVector &getSupportedMSRs() const;
 
+  private: // x86-specific
+    /** Cached vector of supported CPUID entries. */
+    mutable CPUIDVector supportedCPUIDCache;
+
+    /** Cached vector of supported MSRs. */
+    mutable MSRIndexVector supportedMSRCache;
+
+
+    /** @} */
+#endif
+
   protected:
     /**
      * Check for the presence of an extension to the KVM API.
@@ -239,12 +257,6 @@ class Kvm
     /** Size of the MMAPed vCPU parameter area. */
     int vcpuMMapSize;
 
-    /** Cached vector of supported CPUID entries. */
-    mutable CPUIDVector supportedCPUIDCache;
-
-    /** Cached vector of supported MSRs. */
-    mutable MSRIndexVector supportedMSRCache;
-
     /** Singleton instance */
     static Kvm *instance;
 };