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#ifndef _ASM_HW_IRQ_H
#define _ASM_HW_IRQ_H
/*
* linux/include/asm/hw_irq.h
*
* (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
*/
#include <linux/config.h>
#include <linux/smp.h>
#include <asm/atomic.h>
#include <asm/irq.h>
#define SYSCALL_VECTOR 0x80
extern int irq_vector[NR_IRQS];
extern atomic_t irq_err_count;
extern atomic_t irq_mis_count;
extern char _stext, _etext;
extern unsigned long prof_cpu_mask;
extern unsigned int * prof_buffer;
extern unsigned long prof_len;
extern unsigned long prof_shift;
/*
* x86 profiling function, SMP safe. We might want to do this in
* assembly totally?
*/
static inline void x86_do_profile (unsigned long eip)
{
if (!prof_buffer)
return;
/*
* Only measure the CPUs specified by /proc/irq/prof_cpu_mask.
* (default is all CPUs.)
*/
if (!((1<<smp_processor_id()) & prof_cpu_mask))
return;
eip -= (unsigned long) &_stext;
eip >>= prof_shift;
/*
* Don't ignore out-of-bounds EIP values silently,
* put them into the last histogram slot, so if
* present, they will show up as a sharp peak.
*/
if (eip > prof_len-1)
eip = prof_len-1;
atomic_inc((atomic_t *)&prof_buffer[eip]);
}
static inline void hw_resend_irq(struct hw_interrupt_type *h,
unsigned int i)
{}
#endif /* _ASM_HW_IRQ_H */
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