The invention concerns the sharing and the controlling of access to at least
one peripheral for a computer system which includes a central processing unit and
at the least one peripheral which has a physical interface to the central processing
unit. Specifically, a request for access is received at an address of a virtual
interface, where the address of the virtual interface corresponds to the physical
interface, and data is exchanged between the central processing unit and the at
least one peripheral is received. The received data is modified according to at
least one predetermined criterion corresponding to the address of the virtual interface.
