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    #ifndef __ASM_MACH_APIC_H
    #define __ASM_MACH_APIC_H
    
    
    #ifdef CONFIG_X86_LOCAL_APIC
    
    
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    #include <mach_apicdef.h>
    #include <asm/smp.h>
    
    #define APIC_DFR_VALUE	(APIC_DFR_FLAT)
    
    static inline cpumask_t target_cpus(void)
    { 
    #ifdef CONFIG_SMP
    	return cpu_online_map;
    #else
    	return cpumask_of_cpu(0);
    #endif
    } 
    
    #define NO_BALANCE_IRQ (0)
    #define esr_disable (0)
    
    
    #ifdef CONFIG_X86_64
    #include <asm/genapic.h>
    #define INT_DELIVERY_MODE (genapic->int_delivery_mode)
    #define INT_DEST_MODE (genapic->int_dest_mode)
    #define TARGET_CPUS	  (genapic->target_cpus())
    #define apic_id_registered (genapic->apic_id_registered)
    #define init_apic_ldr (genapic->init_apic_ldr)
    #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
    #define phys_pkg_id	(genapic->phys_pkg_id)
    #define vector_allocation_domain    (genapic->vector_allocation_domain)
    extern void setup_apic_routing(void);
    #else
    
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    #define INT_DELIVERY_MODE dest_LowestPrio
    #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
    
    #define TARGET_CPUS (target_cpus())
    
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    /*
     * Set up the logical destination ID.
     *
     * Intel recommends to set DFR, LDR and TPR before enabling
     * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
     * document number 292116).  So here it goes...
     */
    static inline void init_apic_ldr(void)
    {
    	unsigned long val;
    
    	apic_write_around(APIC_DFR, APIC_DFR_VALUE);
    	val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
    	val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
    	apic_write_around(APIC_LDR, val);
    }
    
    
    static inline int apic_id_registered(void)
    
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    {
    
    	return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map);
    
    }
    
    static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
    {
    	return cpus_addr(cpumask)[0];
    }
    
    static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
    {
    	return cpuid_apic >> index_msb;
    
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    }
    
    
    static inline void setup_apic_routing(void)
    
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    {
    
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    	printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
    					"Flat", nr_ioapics);
    
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    }
    
    
    static inline int apicid_to_node(int logical_apicid)
    
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    {
    	return 0;
    }
    
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    static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
    {
    	return physid_isset(apicid, bitmap);
    }
    
    static inline unsigned long check_apicid_present(int bit)
    {
    	return physid_isset(bit, phys_cpu_present_map);
    }
    
    static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
    {
    	return phys_map;
    }
    
    static inline int multi_timer_check(int apic, int irq)
    
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    {
    	return 0;
    }
    
    /* Mapping from cpu number to logical apicid */
    static inline int cpu_to_logical_apicid(int cpu)
    {
    	return 1 << cpu;
    }
    
    static inline int cpu_present_to_apicid(int mps_cpu)
    {
    
    	if (mps_cpu < NR_CPUS && cpu_present(mps_cpu))
    
    		return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
    
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    	else
    		return BAD_APICID;
    }
    
    static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
    {
    	return physid_mask_of_physid(phys_apicid);
    }
    
    static inline void setup_portio_remap(void)
    {
    }
    
    static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
    {
    	return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
    }
    
    static inline void enable_apic_mode(void)
    {
    }
    
    
    #endif /* CONFIG_X86_LOCAL_APIC */
    
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    #endif /* __ASM_MACH_APIC_H */