1 files changed, 24 insertions, 0 deletions

diff --git a/arch/x86/include/asm/mach-default/mach_apicdef.h b/arch/x86/include/asm/mach-default/mach_apicdef.h
new file mode 100644
index 000000000000..0c2d41c41b20
--- /dev/null
+++ b/arch/x86/include/asm/mach-default/mach_apicdef.h
@@ -0,0 +1,24 @@
+#ifndef ASM_X86__MACH_DEFAULT__MACH_APICDEF_H
+#define ASM_X86__MACH_DEFAULT__MACH_APICDEF_H
+
+#include <asm/apic.h>
+
+#ifdef CONFIG_X86_64
+#define APIC_ID_MASK            (genapic->apic_id_mask)
+#define GET_APIC_ID(x)          (genapic->get_apic_id(x))
+#define SET_APIC_ID(x)          (genapic->set_apic_id(x))
+#else
+#define         APIC_ID_MASK            (0xF<<24)
+static inline unsigned get_apic_id(unsigned long x) 
+{
+        unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
+        if (APIC_XAPIC(ver))
+                return (((x)>>24)&0xFF);
+        else
+                return (((x)>>24)&0xF);
+} 
+
+#define         GET_APIC_ID(x)  get_apic_id(x)
+#endif
+
+#endif /* ASM_X86__MACH_DEFAULT__MACH_APICDEF_H */