Chapter 4. CSF 2009 The processor: Exceptions and Interrupts. Exceptions and Interrupts. “Unexpected” events requiring change in flow of control Different ISAs use the terms differently Exception Arises within the CPU e.g., undefined opcode, overflow, syscall, … Interrupt

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Math Coprocessor. Also called F loating P oint U nit FPU. Outline. Math Coprocessor Operation Math Coprocessor Structure Data Types Representation error Instructions. Math Coprocessor Operation. Shares the same Data, Address and Control BUS as the main processor

Math Coprocessor. Also called F loating P oint U nit FPU. Outline. Math Coprocessor Operation Math Coprocessor Structure Data Types Representation error Instructions. Math Coprocessor Operation. Shares the same Data, Address and Control BUS as the main processor

Cryptographic coprocessor. Tomáš Davidovič 16. 6. 2008. Introduction. Asymmetric cryptography RSA – Integer factorization ECC – Elliptic Curve Cryptography Points on an Elliptic Curve Basic operation – scalar point multiplication Q = k * P – compute via add-and-double

Hardware Cryptographic Coprocessor. Peter R. Wihl Security in Software. The Problem. Need for secure computing in an environment where computing is distributed, insecure, and even hostile More and more, we use computers that belong to others, but we need to know our data is safe. The Goal.

Hardware Cryptographic Coprocessor. Peter R. Wihl Security in Software. The Problem. Need for secure computing in an environment where computing is distributed, insecure, and even hostile More and more, we use computers that belong to others, but we need to know our data is safe. The Goal.

The 80x87 Math Coprocessor. Why we need a math coprocessor?. Using a general-purpose microprocessor such as the 8088/86 to perform mathematical functions such as log, sine, and others is very time consuming, not only for the CPU but also for programmers writing such programs.

Summer 1999. ICOM 4206 - Assembler Basics. Multiplication - basic. CommentsThis is just like decimal multiply ? result is twice as long as inputsUnlike addition or subtraction, unsigned and signed multiply operations are differentWhat is shown is the basic machine multiply, but not the most conve

Network Coprocessor ( NETCP ) Overview. Agenda. NETCP Overview Packet DMA Packet Accelerator (PA) Security Accelerator (SA) Gigabit Ethernet ( GbE ) Switch Subsystem Receive Processing Example. Agenda. NETCP Overview Packet DMA Packet Accelerator (PA) Security Accelerator (SA)