Files
quark-kernel/include/x86/msr.h
ngiddings 5efc389935 Finished basic task switching mechansim
PCB is local to a process's address space.
Context switches are written in assembly.
Moved x86 headers to include/x86
2021-04-19 03:40:33 -05:00

23 lines
401 B
C

#pragma once
#include <stdint.h>
enum msr_id_t
{
MSR_APIC_BASE = 0x1B
};
struct msr_apic_base_t
{
uint64_t reserved_1 : 8;
uint64_t bsp : 1;
uint64_t reserved_2 : 1;
uint64_t x2apic_enable : 1;
uint64_t apic_global_enable : 1;
uint64_t apic_base : 52;
};
void read_msr(enum msr_id_t msr_addr, uint64_t *value);
void write_msr(enum msr_id_t msr_addr, uint64_t *value);