/* * Copyright (c) 1994 The University of Utah and * the Computer Systems Laboratory at the University of Utah (CSL). * All rights reserved. * * Permission to use, copy, modify and distribute this software is hereby * granted provided that (1) source code retains these copyright, permission, * and disclaimer notices, and (2) redistributions including binaries * reproduce the notices in supporting documentation, and (3) all advertising * materials mentioning features or use of this software display the following * acknowledgement: ``This product includes software developed by the * Computer Systems Laboratory at the University of Utah.'' * * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * CSL requests users of this software to return to csl-dist@cs.utah.edu any * improvements that they make and grant CSL redistribution rights. * * Author: Bryan Ford, University of Utah CSL */ #ifndef _IMPS_CPU_NUMBER_ #define _IMPS_CPU_NUMBER_ #ifndef ASSEMBLER #include "apic.h" static inline int cpu_number() { return apic_local_unit.unit_id.r >> 24; } #else ASSEMBLER #include "impsasm.h" #define CPU_NUMBER(reg) \ movzbl APIC_LOCAL_VA+APIC_LOCAL_UNIT_ID+3,reg #endif ASSEMBLER #include "i386/cpu_number.h" #endif _IMPS_CPU_NUMBER_