Module io

Source
Available on x86 or x86-64 only.
Expand description

Access to I/O space

Functions§

in_u8
Read an 8-bit value from the port at the given address in I/O space.
in_u16
Read a 16-bit value from the port at the given address in I/O space.
in_u32
Read a 32-bit value from the port at the given address in I/O space.
out_u8
Write an 8-bit value to the port at the given address in I/O space.
out_u16
Write a 16-bit value to the port at the given address in I/O space.
out_u32
Write a 16-bit value to the port at the given address in I/O space.