diff options
Diffstat (limited to 'firmware/lib/vboot_nvstorage.c')
| -rw-r--r-- | firmware/lib/vboot_nvstorage.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/firmware/lib/vboot_nvstorage.c b/firmware/lib/vboot_nvstorage.c index 7361817b..de4fa3b0 100644 --- a/firmware/lib/vboot_nvstorage.c +++ b/firmware/lib/vboot_nvstorage.c @@ -22,6 +22,7 @@ #define BOOT_OFFSET 1 #define BOOT_DEBUG_RESET_MODE 0x80 +#define BOOT_DISABLE_DEV_REQUEST 0x40 #define BOOT_TRY_B_COUNT_MASK 0x0F #define RECOVERY_OFFSET 2 @@ -128,6 +129,10 @@ int VbNvGet(VbNvContext* context, VbNvParam param, uint32_t* dest) { *dest = (raw[DEV_FLAGS_OFFSET] & DEV_BOOT_SIGNED_ONLY_MASK ? 1 : 0); return 0; + case VBNV_DISABLE_DEV_REQUEST: + *dest = (raw[BOOT_OFFSET] & BOOT_DISABLE_DEV_REQUEST ? 1 : 0); + return 0; + default: return 1; } @@ -220,6 +225,13 @@ int VbNvSet(VbNvContext* context, VbNvParam param, uint32_t value) { raw[DEV_FLAGS_OFFSET] &= ~DEV_BOOT_SIGNED_ONLY_MASK; break; + case VBNV_DISABLE_DEV_REQUEST: + if (value) + raw[BOOT_OFFSET] |= BOOT_DISABLE_DEV_REQUEST; + else + raw[BOOT_OFFSET] &= ~BOOT_DISABLE_DEV_REQUEST; + break; + default: return 1; } |