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/* defines for inline arch setup functions */

#include <asm/fixmap.h>
#include "cobalt.h"

static inline void do_timer_interrupt_hook(struct pt_regs *regs)
{
        /* Clear the interrupt */
        co_cpu_write(CO_CPU_STAT,co_cpu_read(CO_CPU_STAT) & ~CO_STAT_TIMEINTR);

        do_timer(regs);
/*
 * In the SMP case we use the local APIC timer interrupt to do the
 * profiling, except when we simulate SMP mode on a uniprocessor
 * system, in that case we have to call the local interrupt handler.
 */
#ifndef CONFIG_X86_LOCAL_APIC
        x86_do_profile(regs);
#else
        if (!using_apic_timer)
                smp_local_timer_interrupt(regs);
#endif
}

static inline int do_timer_overflow(int count)
{
        int i;

        spin_lock(&i8259A_lock);
        /*
         * This is tricky when I/O APICs are used;
         * see do_timer_interrupt().
         */
        i = inb(0x20);
        spin_unlock(&i8259A_lock);
       
        /* assumption about timer being IRQ0 */
        if (i & 0x01) {
                /*
                 * We cannot detect lost timer interrupts ...
                 * well, that's why we call them lost, don't we? :)
                 * [hmm, on the Pentium and Alpha we can ... sort of]
                 */
                count -= LATCH;
        } else {
                printk("do_slow_gettimeoffset(): hardware timer problem?\n");
        }
        return count;
}