cpu.c File Reference

#include <acpi/acpi.h>
#include <assert.h>
#include <console/console.h>
#include "chip.h"
#include <cpu/cpu.h>
#include <cpu/x86/mp.h>
#include <cpu/intel/microcode.h>
#include <cpu/intel/turbo.h>
#include <cpu/intel/common/common.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/smm.h>
#include <cpu/intel/em64t100_save_state.h>
#include <cpu/intel/smm_reloc.h>
#include <device/device.h>
#include <device/pci.h>
#include <fsp/api.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/fast_spi.h>
#include <intelblocks/mp_init.h>
#include <intelblocks/msr.h>
#include <intelblocks/sgx.h>
#include <reg_script.h>
#include <soc/cpu.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <types.h>

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Data Structures
struct	smm_relocation_attrs

Functions
bool	cpu_soc_is_in_untrusted_mode (void)
void	soc_core_init (struct device *cpu)
static void	soc_init_core (struct device *cpu)
static void	pre_mp_init (void)
static void	read_cpu_topology (unsigned int *num_phys, unsigned int *num_virt)
int	get_cpu_count (void)
void	get_microcode_info (const void **microcode, int *parallel)
static void	get_smm_info (uintptr_t *perm_smbase, size_t *perm_smsize, size_t *smm_save_state_size)
static void	relocation_handler (int cpu, uintptr_t curr_smbase, uintptr_t staggered_smbase)
static void	post_mp_init (void)
void	soc_init_cpus (struct bus *cpu_bus)
void	apollolake_init_cpus (struct device *dev)

Variables
static const struct reg_script	core_msr_script []
static struct device_operations	cpu_dev_ops
static const struct cpu_device_id	cpu_table []
static const struct cpu_driver driver	__cpu_driver
static struct smm_relocation_attrs	relo_attrs
static const struct mp_ops	mp_ops

Function Documentation

apollolake_init_cpus()

void apollolake_init_cpus

(

struct device *

dev

)

Definition at line 263 of file cpu.c.

References CONFIG, fast_spi_cache_bios_region(), device::link_list, and soc_init_cpus().

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cpu_soc_is_in_untrusted_mode()

bool cpu_soc_is_in_untrusted_mode

(

void

)

Definition at line 49 of file cpu.c.

References ENABLE_IA_UNTRUSTED, msr_struct::lo, MSR_POWER_MISC, and rdmsr().

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get_cpu_count()

int get_cpu_count

(

void

)

Definition at line 168 of file cpu.c.

References BIOS_DEBUG, printk, and read_cpu_topology().

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get_microcode_info()

void get_microcode_info	(	const void **	microcode,
		int *	parallel
	)

Definition at line 180 of file cpu.c.

References intel_microcode_find(), and intel_microcode_load_unlocked().

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get_smm_info()

static void get_smm_info ( uintptr_t *  perm_smbase, size_t *  perm_smsize, size_t *  smm_save_state_size  )

static

Definition at line 190 of file cpu.c.

References MTRR_PHYS_MASK_VALID, MTRR_TYPE_WRBACK, relo_attrs, smm_relocation_attrs::smbase, smm_region(), smm_subregion(), SMM_SUBREGION_HANDLER, smm_relocation_attrs::smrr_base, and smm_relocation_attrs::smrr_mask.

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post_mp_init()

static void post_mp_init ( void  )

static

Definition at line 238 of file cpu.c.

pre_mp_init()

static void pre_mp_init ( void  )

static

Definition at line 147 of file cpu.c.

References CONFIG, fsps_load(), x86_mtrr_check(), and x86_setup_mtrrs_with_detect().

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read_cpu_topology()

static void read_cpu_topology ( unsigned int *  num_phys, unsigned int *  num_virt  )

static

Definition at line 159 of file cpu.c.

References msr_struct::lo, MSR_CORE_THREAD_COUNT, and rdmsr().

Referenced by get_cpu_count().

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relocation_handler()

static void relocation_handler ( int  cpu, uintptr_t  curr_smbase, uintptr_t  staggered_smbase  )

static

Definition at line 215 of file cpu.c.

References msr_struct::hi, IA32_SMRR_PHYS_BASE, IA32_SMRR_PHYS_MASK, msr_struct::lo, relo_attrs, SMM_EM64T100_SAVE_STATE_OFFSET, smm_relocation_attrs::smrr_base, smm_relocation_attrs::smrr_mask, and wrmsr().

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soc_core_init()

void soc_core_init

(

struct device *

cpu

)

Definition at line 57 of file cpu.c.

References acpi_get_sleep_type(), ACPI_S5, CONFIG, core_msr_script, cpu_set_eist(), cpu_set_p_state_to_max_non_turbo_ratio(), cpu_set_p_state_to_min_clock_ratio(), enable_pm_timer_emulation(), mca_configure(), prmrr_core_configure(), reg_script_run(), and set_aesni_lock().

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soc_init_core()

static void soc_init_core ( struct device *  cpu )

static

Definition at line 94 of file cpu.c.

soc_init_cpus()

void soc_init_cpus

(

struct bus *

cpu_bus

)

Definition at line 256 of file cpu.c.

References mp_init_with_smm().

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Variable Documentation

__cpu_driver

const struct cpu_driver driver __cpu_driver

static

Initial value:

= {
        .ops      = &cpu_dev_ops,
        .id_table = cpu_table,
}

Definition at line 94 of file cpu.c.

core_msr_script

const struct reg_script core_msr_script[]

static

Initial value:

= {
 
        
        REG_MSR_WRITE(MSR_PKG_CST_CONFIG_CONTROL,
                (PKG_C_STATE_LIMIT_C2_MASK | CORE_C_STATE_LIMIT_C10_MASK
                | IO_MWAIT_REDIRECT_MASK | CST_CFG_LOCK_MASK)),
        
        REG_MSR_WRITE(MSR_PMG_IO_CAPTURE_BASE,
                (ACPI_PMIO_CST_REG | (PMG_IO_BASE_CST_RNG_BLK_SIZE << 16))),
        
        REG_MSR_RMW(IA32_MISC_ENABLE, ~MONITOR_MWAIT_DIS_MASK, 0),
 
        
        REG_MSR_RMW(MSR_POWER_CTL, ~POWER_CTL_C1E_MASK, 0),
        REG_SCRIPT_END
}

Definition at line 1 of file cpu.c.

Referenced by soc_core_init().

cpu_dev_ops

struct device_operations cpu_dev_ops

static

Initial value:

= {
        .init = soc_init_core,
}

Definition at line 94 of file cpu.c.

cpu_table

const struct cpu_device_id cpu_table[]

static

Initial value:

= {
        { X86_VENDOR_INTEL, CPUID_APOLLOLAKE_A0 },
        { X86_VENDOR_INTEL, CPUID_APOLLOLAKE_B0 },
        { X86_VENDOR_INTEL, CPUID_APOLLOLAKE_E0 },
        { X86_VENDOR_INTEL, CPUID_GLK_A0 },
        { X86_VENDOR_INTEL, CPUID_GLK_B0 },
        { X86_VENDOR_INTEL, CPUID_GLK_R0 },
        { 0, 0 },
}

Definition at line 94 of file cpu.c.

mp_ops

const struct mp_ops mp_ops

static

Initial value:

= {
        .pre_mp_init = pre_mp_init,
        .get_cpu_count = get_cpu_count,
        .get_smm_info = get_smm_info,
        .get_microcode_info = get_microcode_info,
        .pre_mp_smm_init = smm_southbridge_clear_state,
        .relocation_handler = relocation_handler,
        .post_mp_init = post_mp_init,
}

Definition at line 238 of file cpu.c.

relo_attrs

struct smm_relocation_attrs relo_attrs

static

Definition at line 94 of file cpu.c.

Referenced by get_smm_info(), and relocation_handler().