git.oblomov.eu Git - linux-2.6/blob - include/asm-x86/mach-default/mach_apicdef.h

   1 #ifndef __ASM_MACH_APICDEF_H
   2 #define __ASM_MACH_APICDEF_H
   3
   4 #include <asm/apic.h>
   5
   6 #ifdef CONFIG_X86_64
   7 #define APIC_ID_MASK            (0xFFu<<24)
   8 #define GET_APIC_ID(x)          (((x)>>24)&0xFFu)
   9 #define SET_APIC_ID(x)          (((x)<<24))
  10 #else
  11 #define         APIC_ID_MASK            (0xF<<24)
  12 static inline unsigned get_apic_id(unsigned long x)
  13 {
  14         unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
  15         if (APIC_XAPIC(ver))
  16                 return (((x)>>24)&0xFF);
  17         else
  18                 return (((x)>>24)&0xF);
  19 }
  20
  21 #define         GET_APIC_ID(x)  get_apic_id(x)
  22 #endif
  23
  24 #endif