➜  EFI nvram -p
efi-boot-device	<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>66743438-E52F-4342-9859-40C587AF7EA8</string></dict></dict><key>BLLastBSDName</key><string>disk0s1</string></dict><dict><key>IOEFIDevicePathType</key><string>MediaFilePath</string><key>Path</key><string>\EFI\OC\OpenCore.efi</string></dict></array>%00
boot-args	-no_compat_check cwae=2 shikigva=160 shiki-id=Mac-7BA5B2D9E42DDD94
SMTDisable	%01
prev-lang:kbd	en:252
SystemAudioVolumeDB	%fa
fmm-computer-name	XXXXXXXXXXXX
csr-active-config	w%00%00%00
SystemAudioVolume	:
EFIBluetoothDelay	%b8%0b
efi-boot-device-data	%02%01%0c%00%d0A%03%0a%00%00%00%00%01%01%06%00%00%03%01%01%06%00%00%00%01%01%06%00%00%09%01%01%06%00%00%00%03%16%10%00%01%00%00%00%00%258U%81%b4~L%04%01*%00%01%00%00%00(%00%00%00%00%00%00%00%00@%06%00%00%00%00%0084tf/%e5BC%98Y@%c5%87%af~%a8%02%02%04%04.%00\%00E%00F%00I%00\%00O%00C%00\%00O%00p%00e%00n%00C%00o%00r%00e%00.%00e%00f%00i%00%00%00%7f%ff%04%00


➜  EFI sudo bless --getBoot --verbose
EFI found at IODeviceTree:/efi
Current EFI boot device string is: '<array><dict><key>IOMatch</key><dict><key>IOProviderClass</key><string>IOMedia</string><key>IOPropertyMatch</key><dict><key>UUID</key><string>66743438-E52F-4342-9859-40C587AF7EA8</string></dict></dict><key>BLLastBSDName</key><string>disk0s1</string></dict><dict><key>IOEFIDevicePathType</key><string>MediaFilePath</string><key>Path</key><string>\EFI\OC\OpenCore.efi</string></dict></array>'
Boot option is 8BE4DF61-93CA-11D2-AA0D-00E098032B8C:Boot0080
Processing boot option 'Mac OS X'
Boot option matches XML representation
Found device: disk1s1
Disk boot device detected
/dev/disk1s1