unsafe fn find_rsdp_from_efi_systab(efi_systab_addr: u64) -> u64Expand description
Find RSDP from EFI System Table.
The EFI System Table contains a pointer to the EFI Configuration Table array.
Each entry has a 128-bit GUID and a pointer. The RSDP GUID is
ac03114e-0409-47d4-a7c2-4596dd3ff5a1.