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spurious and error interrupt apic handlers

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- fixed spurious and error interrupt handlers

- not to hog the system the warning isn't reported every time, just
  once every 100 times, similarly for the spurious PIC interrupts
This commit is contained in:
Tomas Hruby 2010-10-19 17:07:21 +00:00
parent f42b90806a
commit ebbc730fc3
3 changed files with 21 additions and 6 deletions
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19
kernel/arch/i386/apic.c
View file

@ -715,16 +715,23 @@ PUBLIC int lapic_enable(unsigned cpu)
return 1;
}
PRIVATE void apic_spurios_intr(void)
PUBLIC void apic_spurios_intr_handler(void)
{
printf("WARNING spurious interrupt\n");
for(;;);
static unsigned x;
x++;
if (x == 1 || (x % 100) == 0)
printf("WARNING spurious interrupt(s) %d on cpu %d\n", x, cpuid);
}
PRIVATE void apic_error_intr(void)
PUBLIC void apic_error_intr_handler(void)
{
printf("WARNING local apic error interrupt\n");
for(;;);
static unsigned x;
x++;
if (x == 1 || (x % 100) == 0)
printf("WARNING apic error (0x%x) interrupt(s) %d on cpu %d\n",
lapic_errstatus(), x, cpuid);
}
PRIVATE struct gate_table_s gate_table_ioapic[] = {

6
kernel/arch/i386/apic_asm.S
View file

@ -67,6 +67,12 @@ ENTRY(apic_hwint##irq) \
ENTRY(lapic_timer_int_handler)
lapic_intr(_C_LABEL(timer_int_handler))
ENTRY(apic_spurios_intr)
lapic_intr(_C_LABEL(apic_spurios_intr_handler))
ENTRY(apic_error_intr)
lapic_intr(_C_LABEL(apic_error_intr_handler))
#ifdef CONFIG_SMP
ENTRY(apic_ipi_sched_intr)

2
kernel/arch/i386/apic_asm.h
View file

@ -72,6 +72,8 @@ _PROTOTYPE( void apic_hwint63, (void) );
/* The local APIC timer tick handlers */
_PROTOTYPE(void lapic_timer_int_handler, (void));
_PROTOTYPE(void apic_spurios_intr, (void));
_PROTOTYPE(void apic_error_intr, (void));
#endif