diff options
Diffstat (limited to 'src/vendorcode/google/chromeos/vbnv_cmos.c')
| -rw-r--r-- | src/vendorcode/google/chromeos/vbnv_cmos.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vbnv_cmos.c b/src/vendorcode/google/chromeos/vbnv_cmos.c index d7850b6796..27f7f0a211 100644 --- a/src/vendorcode/google/chromeos/vbnv_cmos.c +++ b/src/vendorcode/google/chromeos/vbnv_cmos.c @@ -104,6 +104,22 @@ static void vbnv_setup(void) car_set_var(vbnv_initialized, 1); } +void set_recovery_mode_into_vbnv(int recovery_reason) +{ + uint8_t vbnv_copy[CONFIG_VBNV_SIZE]; + uint8_t crc_val; + + read_vbnv(vbnv_copy); + + vbnv_copy[RECOVERY_OFFSET] = recovery_reason; + + crc_val = crc8(vbnv_copy, CRC_OFFSET); + + vbnv_copy[CRC_OFFSET] = crc_val; + + save_vbnv(vbnv_copy); +} + int get_recovery_mode_from_vbnv(void) { if (!is_vbnv_initialized()) |