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Flat Memory Model: Paradigm, Low-level programming language, CPU, Addressing mode, Memory address, Memory segmentation, Paging - Softcover

 
9786132742100: Flat Memory Model: Paradigm, Low-level programming language, CPU, Addressing mode, Memory address, Memory segmentation, Paging

Synopsis

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Flat memory model or linear memory model refers to a memory addressing paradigm in low-level software design such that the CPU can directly address all of the available memory locations without having to resort to any sort of memory segmentation or paging schemes. Memory management and logical-to-physical address translation can still be implemented on top of a flat memory model in order to facilitate the operating system''s functionality, resource protection, multitasking or to increase the memory capacity beyond the limits imposed by the processor''s physical address space, but the key feature of a flat memory model is that the entire memory space is linear, sequential and contiguous from address zero to MaxBytes-1. Memory management is therefore optional; it is neither necessary, nor dictated by the CPU architecture: In a simple controller, or in a single tasking embedded application, where memory management is not needed nor desirable, the flat memory model is the most appropriate, because it provides the simplest interface from the programmer''s point of view, with direct access to all memory locations and minimum design complexity.

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Reseña del editor

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Flat memory model or linear memory model refers to a memory addressing paradigm in low-level software design such that the CPU can directly address all of the available memory locations without having to resort to any sort of memory segmentation or paging schemes. Memory management and logical-to-physical address translation can still be implemented on top of a flat memory model in order to facilitate the operating system''s functionality, resource protection, multitasking or to increase the memory capacity beyond the limits imposed by the processor''s physical address space, but the key feature of a flat memory model is that the entire memory space is linear, sequential and contiguous from address zero to MaxBytes-1. Memory management is therefore optional; it is neither necessary, nor dictated by the CPU architecture: In a simple controller, or in a single tasking embedded application, where memory management is not needed nor desirable, the flat memory model is the most appropriate, because it provides the simplest interface from the programmer''s point of view, with direct access to all memory locations and minimum design complexity.

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