Mirrors/libhermit
1
0
Fork 0
mirror of https://github.com/hermitcore/libhermit.git synced 2025-03-09 00:00:03 +01:00
Code Issues Releases Wiki Activity

initialize APIC after the intialization of IDT & GDT

Browse source 
- fix problems with Qemu
This commit is contained in:
Stefan Lankes 2017-08-04 10:07:07 +02:00
parent 69c7a2f9ab
commit bd3113be0b
1 changed files with 7 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
arch/x86/kernel/apic.c
View file

@ -905,12 +905,7 @@ extern int set_idle_task(void);
#if MAX_CORES > 1
int smp_start(void)
{
x2apic_enable();
// reset APIC and set id
lapic_reset();
LOG_DEBUG("Processor %d (local id %d) is entering its idle task\n", apic_cpu_id(), atomic_int32_read(&current_boot_id));
LOG_DEBUG("Try to initialize processor (local id %d)\n", atomic_int32_read(&current_boot_id));
// use the same gdt like the boot processors
gdt_flush();
@ -921,6 +916,12 @@ int smp_start(void)
// enable additional cpu features
cpu_detection();
x2apic_enable();
// reset APIC
lapic_reset();
LOG_DEBUG("Processor %d (local id %d) is entering its idle task\n", apic_cpu_id(), atomic_int32_read(&current_boot_id));
LOG_DEBUG("CR0 of core %u: 0x%x\n", atomic_int32_read(&current_boot_id), read_cr0());
online[atomic_int32_read(&current_boot_id)] = 1;