C++ (Cpp) MP_FR_BLOCK_APSの例

コード例 #1

ファイル: cpu.c プロジェクト: CreatorDev/u-boot

#include <cpu.h>
#include <dm.h>
#include <asm/cpu.h>
#include <asm/lapic.h>
#include <asm/mp.h>
#include <asm/msr.h>
#include <asm/turbo.h>

#ifdef CONFIG_SMP
static int enable_smis(struct udevice *cpu, void *unused)
{
	return 0;
}

static struct mp_flight_record mp_steps[] = {
	MP_FR_BLOCK_APS(mp_init_cpu, NULL, mp_init_cpu, NULL),
	/* Wait for APs to finish initialization before proceeding. */
	MP_FR_BLOCK_APS(NULL, NULL, enable_smis, NULL),
};

static int detect_num_cpus(void)
{
	int ecx = 0;

	/*
	 * Use the algorithm described in Intel 64 and IA-32 Architectures
	 * Software Developer's Manual Volume 3 (3A, 3B & 3C): System
	 * Programming Guide, Jan-2015. Section 8.9.2: Hierarchical Mapping
	 * of CPUID Extended Topology Leaf.
	 */
	while (1) {

コード例 #2

ファイル: cpu.c プロジェクト: lynxis/coreboot-1

#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/smm.h>
#include <reg_script.h>

#include <baytrail/msr.h>
#include <baytrail/pattrs.h>
#include <baytrail/ramstage.h>
#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)
#include <baytrail/smm.h>

static void smm_relocate(void *unused);
static void enable_smis(void *unused);

static struct mp_flight_record mp_steps[] = {
	MP_FR_BLOCK_APS(smm_relocate, NULL, smm_relocate, NULL),
	MP_FR_BLOCK_APS(mp_initialize_cpu, NULL, mp_initialize_cpu, NULL),
	/* Wait for APs to finish initialization before proceeding. */
	MP_FR_BLOCK_APS(NULL, NULL, enable_smis, NULL),
};
#else /* CONFIG_HAVE_SMI_HANDLER */
static struct mp_flight_record mp_steps[] = {
	MP_FR_BLOCK_APS(mp_initialize_cpu, NULL, mp_initialize_cpu, NULL),
};
#endif

/* The APIC id space on Bay Trail is sparse. Each id is separated by 2. */
static int adjust_apic_id(int index, int apic_id)
{
	return 2 * index;
}