per_cpu.c File Reference

#include <miniOS/arch/x86_64/smp.h>
#include <miniOS/arch/x86_64/apic.h>
#include <miniOS/arch/x86_64/irq.h>
#include <miniOS/arch/x86_64/segment.h>
#include <miniOS/arch/x86_64/tss.h>
#include <miniOS/mm/heap.h>
#include <miniOS/io.h>
#include <string.h>

Include dependency graph for per_cpu.c:

Functions
void	wrmsr_gs_base (uint64_t addr)
void	lgdt_ap (void *gdt_desc)
void	per_cpu_update_rsp0 (uint64_t rsp0)
	Update this CPU's TSS RSP0 and cpu_t.kstack_top.
void	per_cpu_init (uint32_t cpu_id)
	Initialise per-CPU GDT, TSS, IDT, and GS base for one CPU.

Variables
struct segment_descriptor	GDT []
struct tss_struct	tss
static struct segment_descriptor	percpu_gdt [MAX_CPUS][7]
static struct tss_struct	percpu_tss [MAX_CPUS]
cpu_t	g_cpus [MAX_CPUS]

Function Documentation

lgdt_ap()

void lgdt_ap ( void * gdt_desc )

extern

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wrmsr_gs_base()

void wrmsr_gs_base ( uint64_t addr )

extern

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Variable Documentation

GDT

struct segment_descriptor GDT[]

extern

percpu_gdt

struct segment_descriptor percpu_gdt[MAX_CPUS][7]

static

percpu_tss

struct tss_struct percpu_tss[MAX_CPUS]

static

tss

struct tss_struct tss

extern