According to OSDev, to locate the Port I/O address of ACPI timer, we first open FADT table and check entries PM Timer Block Length and PM Timer Block Address. In my computer, PM Timer Block Address gi...

I am writing an UEFI application (A) which will load another UEFI application (B). This another UEFI application (B) is stored on one of the Windows Partition (FAT32). I am trying to load (B) from (A)...

I am attempting to write an x86_64 PC emulator. I was wondering in what memory location the UEFI is mapped. I know that a BIOS is usually mapped from 0xf0000-0xfffff and 0xf0000000-0xffffffff. Is UEFI...