Advanced Configuration and Power Interface Specification

ACPI Source Language (ASL)Reference
Both of these mechanisms (explicit and implicit conversion) are described in detail in the sections
that follow.
19.3.5.2 Explicit Data Type Conversions
The following ASL operators are provided to explicitly convert an object from one data type to
another:
EISAID
FromBCD
Fprintf
Printf
ToBCD
ToBuffer
Converts a 7-character text argument into its corresponding 4-byte numeric EISA ID
encoding.
Convert an Integer to a BCD Integer
Converts a format string to a series of string Concatenate operations and stores the
result to a Named Object.
Converts a format string to a series of string Concatenate operations and stores the
result to the Debug Object.
Convert a BCD Integer to a standard binary Integer.
Convert an Integer, String, or Buffer to an object of type Buffer
ToDecimalString
ToHexString
Convert an Integer, String, or Buffer to an object of type String. The string contains
the ASCII representation of the decimal value of the source operand.
Convert an Integer, String, or Buffer to an object of type String. The string contains
the ASCII representation of the hexadecimal value of the source operand.
ToInteger
ToPLD
ToString
Convert an Integer, String, or Buffer to an object of type Integer.
Converts a PLD Keyword List into a _PLD buffer.
Copy directly and convert a Buffer to an object of type String.
ToUUID
Convert an ASCII string to a UUID Buffer.
The following ASL operators are provided to copy and transfer objects:
Version 6.0 791