diff options
Diffstat (limited to 'include/asm-x86/mach-default/mach_apicdef.h')
| -rw-r--r-- | include/asm-x86/mach-default/mach_apicdef.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h new file mode 100644 index 00000000000..ae984131909 --- /dev/null +++ b/include/asm-x86/mach-default/mach_apicdef.h @@ -0,0 +1,19 @@ +#ifndef __ASM_MACH_APICDEF_H +#define __ASM_MACH_APICDEF_H + +#include <asm/apic.h> + +#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 |