UEFI Interactive Shell v2.2
EDK II
UEFI v2.70 (EDK II, 0x00010000)
Mapping table
      FS0: Alias(s):HD0a65535a1:;BLK1:
          PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x0,0xFFFF,0x0)/HD(1,GPT,C7D101FE-90D1-4097-89C0-A944B4F1C555,0x800,0x4000)
      FS1: Alias(s):HD0a65535a2:;BLK2:
          PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x0,0xFFFF,0x0)/HD(2,GPT,69375716-2B0C-4935-893C-4A4201E90361,0x4800,0x20000)
     BLK0: Alias(s):
          PciRoot(0x0)/Pci(0x1F,0x2)/Sata(0x0,0xFFFF,0x0)


Press ESC in 3 seconds to skip startup.nsh or any other key to continue.
Shell>
Shell> fs0:\EFI\boot\uboot.efi
U-Boot EFI Payload


U-Boot 2021.07-rc1-00189-g1b8ad819ce-dirty (Jun 01 2021 - 12:49:44 +0200)

CPU: x86_64, vendor Intel, device 506e3h
DRAM:  986.3 MiB
MMC:
Loading Environment from nowhere... OK
Model: EFI x86 Payload
Net:   e1000: 08:00:27:2a:3d:a1

Warning: e1000#0 failed to set MAC address
eth0: e1000#0
No working controllers found
Autoboot in 0 seconds
Couldn't find partition scsi 0:3
Can't set block device
Error: Invalid Boot Flag (found 0x0000, expected 0xaa55)
## Kernel loading failed ...
=>