METHOD FOR CONTROLLING A CENTRAL PROCESSING UNIT FOR AN ADDRESSING RELATING TO A MEMORY AND A CONTROLLER

WIPO Patent Application WO2003009133

A8

The invention is based on the statement according to which operation code identifiers (310) of a CPU (30) which are free or can be used for any reason, can be used to control a support device (40) which is connected upstream from the CPU (30) and which can form a novel, for example, physical address as a response to said operation code identifiers, relating to a second memory region (20) having a second memory variable which is larger than the memory variable (370, 380) which can be addressed by means of the CPU, and which is, for example, logical. By means of the special operation code identifiers (310), it is possible, within the framework of an executable machine code, to actuate the support device (40) which monitors the data traffic from the memory (20) to the CPU (30), by which means the operation code or operation code identifiers to be executed are delivered to the CPU (30), and which can take measures concerning the newly formed address, when certain special operation code identifiers (310) appear. In this way, a costly redesign or a costly novel design of the CPU (30) is avoided, as is the necessity for a costly software adaptation of the current memory window (370, 380), both in terms of the executable machine code and the executable speed.

FREIWALD JUERGEN (DE)
RABE DIRK (DE)

PCT/EP2002/006655

November 27, 2003

June 17, 2002

Click for automatic bibliography generation  

INFINEON TECHNOLOGIES AG (DE)
FREIWALD JUERGEN (DE)
RABE DIRK (DE)

G06F9/32; G06F9/34; G06F9/30; G06F9/355; G06F9/38; G06F9/42; G06F12/02; (IPC1-7): G06F9/38; G06F9/355

View/Download PDF      PDF Help

Previous Patent: MULTIFUNCTION PERIPHERAL DEVICE WITH DYNAMIC USER INTERFACE DESCRIPTION

Next Patent: MULTI-PLATFORM INTERACTIVE APPLICATIONS