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disable obsolete 64bit code

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This commit is contained in:
Stefan Lankes 2012-06-13 11:22:38 +02:00
parent e06d910514
commit ab27285843
1 changed files with 5 additions and 0 deletions
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5
arch/x86/kernel/apic.c
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@ -299,7 +299,9 @@ extern void smp_entry(void);
void smp_start(uint32_t id) void smp_start(uint32_t id)
{ {
#ifdef CONFIG_X86_32
size_t i; size_t i;
#endif
atomic_int32_inc(&cpu_online); atomic_int32_inc(&cpu_online);
@ -318,6 +320,8 @@ void smp_start(uint32_t id)
// install IDT // install IDT
idt_install(); idt_install();
// On 64bit system, paging is already enabled
#ifdef CONFIG_X86_32
/* enable paging */ /* enable paging */
write_cr3((size_t)get_boot_pgd()); write_cr3((size_t)get_boot_pgd());
i = read_cr0(); i = read_cr0();
@ -327,6 +331,7 @@ void smp_start(uint32_t id)
// reset APIC and set id // reset APIC and set id
lapic_reset(); // sets also the timer interrupt lapic_reset(); // sets also the timer interrupt
apic_set_cpu_id(id); apic_set_cpu_id(id);
#endif
/* /*
* we turned on paging * we turned on paging