update_microcode.c File Reference

#include <stdint.h>
#include <arch/cpu.h>
#include <cpu/amd/microcode.h>
#include <commonlib/helpers.h>
#include <console/console.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/msr.h>
#include <cbfs.h>

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Data Structures
struct	microcode

Macros
#define	F16H_MPB_MAX_SIZE   3458
#define	F16H_MPB_DATA_OFFSET   32

Functions
static void	apply_microcode_patch (const struct microcode *m)
static uint16_t	get_equivalent_processor_rev_id (void)
static void	amd_update_microcode (const void *ucode, size_t ucode_len, uint16_t equivalent_processor_rev_id)
void	amd_update_microcode_from_cbfs (void)

Variables
struct microcode	__packed

Macro Definition Documentation

F16H_MPB_DATA_OFFSET

#define F16H_MPB_DATA_OFFSET   32

Definition at line 19 of file update_microcode.c.

F16H_MPB_MAX_SIZE

#define F16H_MPB_MAX_SIZE   3458

Definition at line 18 of file update_microcode.c.

Function Documentation

amd_update_microcode()

static void amd_update_microcode ( const void *  ucode, size_t  ucode_len, uint16_t  equivalent_processor_rev_id  )

static

Definition at line 100 of file update_microcode.c.

References apply_microcode_patch(), c, and m.

Referenced by amd_update_microcode_from_cbfs().

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amd_update_microcode_from_cbfs()

void amd_update_microcode_from_cbfs

(

void

)

Definition at line 113 of file update_microcode.c.

References amd_update_microcode(), BIOS_DEBUG, BIOS_WARNING, cbfs_map(), F16H_MPB_DATA_OFFSET, F16H_MPB_MAX_SIZE, get_equivalent_processor_rev_id(), and printk.

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apply_microcode_patch()

static void apply_microcode_patch ( const struct microcode *  m )

static

Definition at line 69 of file update_microcode.c.

References BIOS_DEBUG, BIOS_ERR, BIOS_INFO, msr_struct::hi, IA32_BIOS_SIGN_ID, msr_struct::lo, m, MSR_PATCH_LOADER, printk, rdmsr(), and wrmsr().

Referenced by amd_update_microcode().

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get_equivalent_processor_rev_id()

static uint16_t get_equivalent_processor_rev_id ( void  )

static

Definition at line 93 of file update_microcode.c.

References cpuid_eax().

Referenced by amd_update_microcode_from_cbfs().

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Variable Documentation

__packed

struct microcode __packed