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announce that a cpu is online in the apic code

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=> move code from main.c to apic.c, because the time of announcement
   depends on the boot process. (The multi- and the single-kernel
   version of HermitCore use a different boot process.)
This commit is contained in:
Stefan Lankes 2016-08-03 09:27:23 +02:00
parent cbb3bb0905
commit 606580c05d
2 changed files with 7 additions and 5 deletions
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8
hermit/arch/x86/kernel/apic.c
View file

@ -560,9 +560,13 @@ int apic_calibration(void)
initialized = 1;
irq_nested_enable(flags);
atomic_int32_inc(&cpu_online);
return 0;
}
atomic_int32_inc(&cpu_online);
old = get_clock_tick();
/* wait for the next time slice */
@ -721,7 +725,7 @@ found_mp:
apic_io_entry_t* io_entry = (apic_io_entry_t*) addr;
ioapic = (ioapic_t*) ((size_t) io_entry->addr);
kprintf("Found IOAPIC at 0x%x\n", ioapic);
if (is_single_kernel() && ioapic) {
if (is_single_kernel() && ioapic) {
page_map(IOAPIC_ADDR, (size_t)ioapic & PAGE_MASK, 1, flags);
vma_add(IOAPIC_ADDR, IOAPIC_ADDR + PAGE_SIZE, VMA_READ|VMA_WRITE);
ioapic = (ioapic_t*) IOAPIC_ADDR;
@ -842,6 +846,8 @@ int smp_start(void)
irq_enable();
atomic_int32_inc(&cpu_online);
return smp_main();
}

4
hermit/kernel/main.c
View file

@ -130,7 +130,6 @@ static int hermit_init(void)
#ifndef CONFIG_VGA
uart_init();
#endif
atomic_int32_inc(&cpu_online);
return 0;
}
@ -267,8 +266,6 @@ int smp_main(void)
print_status();
atomic_int32_inc(&cpu_online);
/* wait for the other cpus */
while(atomic_int32_read(&cpu_online) < atomic_int32_read(&possible_cpus))
PAUSE;
@ -546,7 +543,6 @@ int hermit_main(void)
hermit_init();
system_calibration(); // enables also interrupts
kprintf("This is Hermit %s, build date %u\n", VERSION, &__DATE__);
kprintf("Isle %d of %d possible isles\n", isle, possible_isles);
kprintf("Kernel starts at %p and ends at %p\n", &kernel_start, &kernel_end);