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Fixed APIC register mapping

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This commit is contained in:
ngiddings
2021-04-15 07:22:58 -05:00
parent 0c5d18ddc0
commit 3e73c7c0ac
1 changed files with 13 additions and 3 deletions
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14
src/x86/apic.c
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@@ -1,8 +1,18 @@
#include "mmgr.h"
#include "apic.h"
#include "msr.h"
#include <stddef.h>
void apic_enable()
extern int _kernel_end;
void apic_enable(struct page_stact_t *page_stack)
{
struct msr_apic_base_t msr;
read_msr(MSR_APIC_BASE, (uint64_t*)&msr);
map_page(page_stack, &_kernel_end, msr.apic_base << 12, 0);
printf("MSR_APIC_BASE: %016x\n", *((uint32_t*)&msr));
apic_registers = (struct apic_registers_t*)&_kernel_end;
apic_registers->spurious_iv.value = apic_registers->spurious_iv.value | 0x100;
}
void apic_eoi()