There’s a new ACPI AML interpreter:
Simple AML Bytecode Interpreter (SABI) is a simple bytecode interpreter for the ACPI Machine Language (AML), which is an essential component of the firmware (such as UEFI) on many modern machines. As such, the code allows an operating system to implement full ACPI support in the kernel. […]The directory tools contains userspace programs with limited functionality. The userspace program printns reads an AML table (DSDT or SSDT) from disk and prints the dynamically generated namespace.[…]
Firmware Security 