smp_boot.c File Reference

#include <miniOS/arch/x86_64/smp.h>
#include <miniOS/arch/x86_64/apic.h>
#include <miniOS/arch/x86_64/port.h>
#include <miniOS/mm/vmm.h>
#include <miniOS/io.h>
#include <miniOS/syscall.h>

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Macros
#define	TRAMPOLINE_PHYS   0x8000ULL
#define	TRAMPOLINE_VA   (TRAMPOLINE_PHYS + KERNEL_VMA)
#define	ICR_INIT   0x00000500UL /* INIT IPI delivery mode */
#define	ICR_SIPI   0x00000600UL /* Startup IPI delivery mode */
#define	ICR_ASSERT   0x00004000UL /* Assert level (INIT assert) */
#define	ICR_DEASSERT   0x00008000UL /* Level de-assert (INIT deassert) */

Functions
void	ap_barrier_checkin (void)
	Signal that this AP has completed its CPU init.
void	smp_wait_for_aps (void)
	Block until all APs have checked in at the rendezvous barrier.
static	__attribute__ ((noreturn))
static uint8_t ap_boot_stacks[MAX_CPUS][4096]	__attribute__ ((aligned(16)))
static void	delay_10ms (void)
void	smp_boot_aps (void)
	Send INIT-SIPI-SIPI sequence to all non-BSP CPUs.

Variables
uint8_t	trampoline_start []
uint8_t	trampoline_end []
volatile uint32_t	smp_aps_ready = 0

Macro Definition Documentation

ICR_ASSERT

#define ICR_ASSERT   0x00004000UL /* Assert level (INIT assert) */

ICR_DEASSERT

#define ICR_DEASSERT   0x00008000UL /* Level de-assert (INIT deassert) */

ICR_INIT

#define ICR_INIT   0x00000500UL /* INIT IPI delivery mode */

ICR_SIPI

#define ICR_SIPI   0x00000600UL /* Startup IPI delivery mode */

TRAMPOLINE_PHYS

#define TRAMPOLINE_PHYS   0x8000ULL

TRAMPOLINE_VA

#define TRAMPOLINE_VA   (TRAMPOLINE_PHYS + KERNEL_VMA)

Function Documentation

__attribute__() [1/2]

uint8_t ap_boot_stacks[MAX_CPUS][4096] __attribute__ ( (aligned(16)) )

static

__attribute__() [2/2]

__attribute__ ( (noreturn) )

static

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delay_10ms()

void delay_10ms ( void )

static

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Variable Documentation

trampoline_end

uint8_t trampoline_end[]

extern

trampoline_start

uint8_t trampoline_start[]

extern