vbnv_cmos.c File Reference

#include <bootstate.h>
#include <boot/coreboot_tables.h>
#include <console/console.h>
#include <types.h>
#include <pc80/mc146818rtc.h>
#include <security/vboot/vbnv.h>
#include <security/vboot/vbnv_layout.h>

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Functions
static void	clear_vbnv_battery_cutoff_flag (uint8_t *vbnv_copy)
static int	restore_from_backup (uint8_t *vbnv_copy)
void	read_vbnv_cmos (uint8_t *vbnv_copy)
void	save_vbnv_cmos (const uint8_t *vbnv_copy)
void	vbnv_init_cmos (uint8_t *vbnv_copy)
void	lb_table_add_vbnv_cmos (struct lb_header *header)

Function Documentation

clear_vbnv_battery_cutoff_flag()

static void clear_vbnv_battery_cutoff_flag ( uint8_t *  vbnv_copy )

static

Definition at line 11 of file vbnv_cmos.c.

References BIOS_INFO, MISC_FLAGS_BATTERY_CUTOFF_MASK, MISC_FLAGS_OFFSET, printk, and regen_vbnv_crc().

Referenced by restore_from_backup().

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lb_table_add_vbnv_cmos()

void lb_table_add_vbnv_cmos

(

struct lb_header *

header

)

Definition at line 90 of file vbnv_cmos.c.

References header, lb_new_record(), LB_TAG_VBNV, vbnv, and VBOOT_VBNV_BLOCK_SIZE.

Referenced by write_coreboot_table().

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read_vbnv_cmos()

void read_vbnv_cmos

(

uint8_t *

vbnv_copy

)

Definition at line 48 of file vbnv_cmos.c.

References cmos_read(), restore_from_backup(), VBOOT_VBNV_BLOCK_SIZE, and verify_vbnv().

Referenced by cmos_init_vbnv(), and read_vbnv().

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restore_from_backup()

static int restore_from_backup ( uint8_t *  vbnv_copy )

static

Definition at line 28 of file vbnv_cmos.c.

References BIOS_INFO, clear_vbnv_battery_cutoff_flag(), CONFIG, printk, read_vbnv_flash(), save_vbnv_cmos(), and verify_vbnv().

Referenced by read_vbnv_cmos(), and vbnv_init_cmos().

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save_vbnv_cmos()

void save_vbnv_cmos

(

const uint8_t *

vbnv_copy

)

Definition at line 62 of file vbnv_cmos.c.

References cmos_write(), and VBOOT_VBNV_BLOCK_SIZE.

Referenced by cmos_init_vbnv(), restore_from_backup(), save_vbnv(), and vbnv_init_cmos().

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vbnv_init_cmos()

void vbnv_init_cmos

(

uint8_t *

vbnv_copy

)

Definition at line 70 of file vbnv_cmos.c.

References HEADER_FIRMWARE_SETTINGS_RESET, HEADER_KERNEL_SETTINGS_RESET, HEADER_OFFSET, HEADER_SIGNATURE, regen_vbnv_crc(), restore_from_backup(), save_vbnv_cmos(), vbnv_cmos_failed(), and vbnv_reset().

Referenced by vbnv_init().

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