diff options
Diffstat (limited to 'arch/x86/include/asm/mach-default/mach_apicdef.h')
| -rw-r--r-- | arch/x86/include/asm/mach-default/mach_apicdef.h | 24 |
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 */ |