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Zero no more hardwired as BSP apic id

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- the BSP apic id is written in the io apic redirection entries to
  deliver the interrupts to BSP
This commit is contained in:
Tomas Hruby 2010-10-21 17:07:07 +00:00
parent de1bcaa69a
commit 98c93e76d7
1 changed files with 3 additions and 2 deletions
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5
kernel/arch/i386/apic.c
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@ -399,7 +399,7 @@ PUBLIC void ioapic_mask_irq(unsigned irq)
PUBLIC unsigned int apicid(void)
{
return lapic_read(LAPIC_ID);
return lapic_read(LAPIC_ID) >> 24;
}
PRIVATE int calib_clk_handler(irq_hook_t * UNUSED(hook))
@ -1100,6 +1100,7 @@ PUBLIC int apic_single_cpu_init(void)
}
bsp_lapic_id = apicid();
printf("Boot cpu apic id %d\n", bsp_lapic_id);
acpi_init();
@ -1186,7 +1187,7 @@ PUBLIC void ioapic_set_irq(unsigned irq)
/*
* route the interrupts to the bsp by default
*/
hi_32 = 0;
hi_32 = bsp_lapic_id << 24;
ioapic_redirt_entry_write((void *) io_apic[ioa].addr,
io_apic_irq[irq].pin, hi_32, low_32);
}