vbnv.c File Reference

#include <string.h>
#include <types.h>
#include <security/vboot/vbnv.h>
#include <security/vboot/vbnv_layout.h>

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Functions
static uint8_t	crc8_vbnv (const uint8_t *data, int len)
void	vbnv_reset (uint8_t *vbnv_copy)
static void	vbnv_setup (void)
int	verify_vbnv (uint8_t *vbnv_copy)
void	regen_vbnv_crc (uint8_t *vbnv_copy)
void	read_vbnv (uint8_t *vbnv_copy)
void	save_vbnv (const uint8_t *vbnv_copy)
int	vbnv_udc_enable_flag (void)
void	vbnv_init (uint8_t *vbnv_copy)

Variables
static int	vbnv_initialized
static uint8_t	vbnv [VBOOT_VBNV_BLOCK_SIZE]

Function Documentation

crc8_vbnv()

static uint8_t crc8_vbnv ( const uint8_t *  data, int  len  )

static

Definition at line 12 of file vbnv.c.

Referenced by regen_vbnv_crc(), and verify_vbnv().

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read_vbnv()

void read_vbnv

(

uint8_t *

vbnv_copy

)

Definition at line 60 of file vbnv.c.

References CONFIG, read_vbnv_cmos(), read_vbnv_ec(), read_vbnv_flash(), vbnv_reset(), and verify_vbnv().

Referenced by vbnv_init(), and vbnv_setup().

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regen_vbnv_crc()

void regen_vbnv_crc

(

uint8_t *

vbnv_copy

)

Definition at line 51 of file vbnv.c.

References crc8_vbnv(), and CRC_OFFSET.

Referenced by clear_vbnv_battery_cutoff_flag(), and vbnv_init_cmos().

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save_vbnv()

void save_vbnv

(

const uint8_t *

vbnv_copy

)

Definition at line 78 of file vbnv.c.

References CONFIG, save_vbnv_cmos(), save_vbnv_ec(), save_vbnv_flash(), and vbnv_initialized.

Referenced by vb2ex_commit_data(), and vboot_save_data().

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vbnv_init()

void vbnv_init

(

uint8_t *

vbnv_copy

)

Definition at line 98 of file vbnv.c.

References CONFIG, read_vbnv(), and vbnv_init_cmos().

Referenced by verstage_main().

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vbnv_reset()

void vbnv_reset

(

uint8_t *

vbnv_copy

)

Definition at line 29 of file vbnv.c.

References memset(), and VBOOT_VBNV_BLOCK_SIZE.

Referenced by read_vbnv(), and vbnv_init_cmos().

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vbnv_setup()

static void vbnv_setup ( void  )

static

Definition at line 35 of file vbnv.c.

References read_vbnv(), vbnv, and vbnv_initialized.

Referenced by vbnv_udc_enable_flag().

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vbnv_udc_enable_flag()

int vbnv_udc_enable_flag

(

void

)

Definition at line 92 of file vbnv.c.

References DEV_ENABLE_UDC, DEV_FLAGS_OFFSET, vbnv, and vbnv_setup().

Referenced by vboot_can_enable_udc().

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verify_vbnv()

int verify_vbnv

(

uint8_t *

vbnv_copy

)

Definition at line 44 of file vbnv.c.

References crc8_vbnv(), CRC_OFFSET, HEADER_MASK, HEADER_OFFSET, and HEADER_SIGNATURE.

Referenced by read_vbnv(), read_vbnv_cmos(), and restore_from_backup().

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Variable Documentation

vbnv

uint8_t vbnv[VBOOT_VBNV_BLOCK_SIZE]

static

Definition at line 9 of file vbnv.c.

Referenced by cmos_init_vbnv(), lb_table_add_vbnv_cmos(), vbnv_setup(), and vbnv_udc_enable_flag().

vbnv_initialized

int vbnv_initialized

static

Definition at line 8 of file vbnv.c.

Referenced by save_vbnv(), and vbnv_setup().