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Diffstat (limited to 'arch/x86/include/asm/mach-default/mach_apicdef.h')
-rw-r--r--arch/x86/include/asm/mach-default/mach_apicdef.h24
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 00000000000..0c2d41c41b2
--- /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 */