Specifications

142
Compatibility16RetrieveLastBootDevice()
Summary
Allows the Compatibility16 code to get the last device from which a boot was
attempted. This is stored in CMOS and is the priority number of the last attempted boot
device.
Input Registers
AX = Compatibility16RetrieveLastBootDevice
Output Registers
AX = Returned status codes
BX = Priority number of the boot device.
Status Codes Returned
EFI_SUCCESS 0x0000
EFI_ABORTED 0x8015