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Code Issues Releases Wiki Activity

reuse irq 121 to wakeup a core

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This commit is contained in:
Stefan Lankes 2017-06-15 12:57:58 +02:00
parent 1db519b19e
commit 90083dcb00
2 changed files with 7 additions and 13 deletions
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18
arch/x86/kernel/apic.c
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@ -918,12 +918,6 @@ int smp_start(void)
// install IDT
idt_install();
/*
* we turned on paging
* => now, we are able to register our task
*/
register_task();
// enable additional cpu features
cpu_detection();
@ -938,6 +932,12 @@ int smp_start(void)
set_idle_task();
/*
* TSS is set, pagining is enabled
* => now, we are able to register our task
*/
register_task();
irq_enable();
atomic_int32_inc(&cpu_online);
@ -1091,11 +1091,6 @@ static void apic_shutdown(struct state * s)
LOG_DEBUG("Receive shutdown interrupt\n");
}
static void apic_wakeup_handler(struct state * s)
{
LOG_DEBUG("Receive wakeup interrupt\n");
}
int apic_init(void)
{
int ret;
@ -1110,7 +1105,6 @@ int apic_init(void)
irq_install_handler(80+32, apic_tlb_handler);
#endif
irq_install_handler(81+32, apic_shutdown);
irq_install_handler(83+32, apic_wakeup_handler);
if (apic_processors[boot_processor])
LOG_INFO("Boot processor %u (ID %u)\n", boot_processor, apic_processors[boot_processor]->id);
else

2
arch/x86/kernel/tasks.c
View file

@ -219,5 +219,5 @@ void wakeup_core(uint32_t core_id)
return;
LOG_DEBUG("wakeup core %d\n", core_id);
apic_send_ipi(core_id, 83+32);
apic_send_ipi(core_id, 121);
}