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Major Concepts: a data structure model:

Major Concepts: a data structure model:

hoyt-vinson
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Major Concepts: a data structure model:

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  1. Major Concepts: a data structure model: • basic representation of data, such as integers, logic values, and characters; homogeneous data structures, such as arrays and strings; heterogeneous data structures, such as floating point numbers and records; accessing of data structures, involving pointers and values, field extraction; addressing mode support for particular data structures. a machine model: • processor, memory, and I/O; processor data paths and register transfers; instruction cycle of fetch/execute and interrupts; bus interconnections; relative speeds and capacities of components; performance metrics, such as storage space, memory traffic, execution time.

  2. Major Concepts (cont’d): a programming language translation model: • compilation versus interpretation; steps: macro processing, compilation, assembly, link, load, execute; code generation issues demonstrating the relationship between HLL and machine code. a system model: • run-time environment, including stack frame and heap support; procedure call support, including such issues as parameter passing and register conventions; I/O support, such as level of intelligence in controllers and synchronization; operating system support, including memory protection and interrupts; sharing and reentrancy; virtual memory support.

  3. Computer Systems • Increasingly smaller • Higher performance • More memory • Lower power • Embedded • Everywhere • …but extremely complex

  4. CPSC 2310 How do we handle complexity? Application (ex: browser) • Coordination of many levels of abstraction Operating Compiler System (Mac OSX) Software Assembler Instruction Set Architecture Hardware Processor Memory I/O system Datapath & Control Digital Design Circuit Design Transistors Dan Garcia

  5. Why ARM? ARM Powered Products • Smartphones; almost all mobile phones • digital cameras • digital TVs • Portable gaming consoles (e.g. Nintendo DS, PlayStation Portable, GameBoy Advance, GP2x • Smart meter at home • Portable Media Players, Camcorders • Apple iPod • GPS Navigation Systems • Tom Tom 300 • Hard Discs, Routers, …

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