linux/include/asm-x86/mach-default/mach_apic.h

#ifndef __ASM_MACH_APIC_H
#define __ASM_MACH_APIC_H

#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 TARGET_CPUS (target_cpus())

#define NO_BALANCE_IRQ (0)
#define esr_disable (0)

#define INT_DELIVERY_MODE dest_LowestPrio
#define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */

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);
}

/*
 * 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 physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
{
	return phys_map;
}

static inline void setup_apic_routing(void)
{
	printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
					"Flat", nr_ioapics);
}

static inline int multi_timer_check(int apic, int irq)
{
	return 0;
}

static inline int apicid_to_node(int logical_apicid)
{
	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 < get_physical_broadcast())
		return  mps_cpu;
	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 int mpc_apic_id(struct mpc_config_processor *m, 
			struct mpc_config_translation *translation_record)
{
	printk("Processor #%d %ld:%ld APIC version %d\n",
			m->mpc_apicid,
			(m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
			(m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
			m->mpc_apicver);
	return (m->mpc_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 int apic_id_registered(void)
{
	return physid_isset(GET_APIC_ID(apic_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 void enable_apic_mode(void)
{
}

static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
{
	return cpuid_apic >> index_msb;
}

#endif /* __ASM_MACH_APIC_H */