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@c
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@c COPYRIGHT (c) 1988-2002.
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@c On-Line Applications Research Corporation (OAR).
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@c All rights reserved.
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@c
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@c bsp.t,v 1.3 2002/01/17 21:47:44 joel Exp
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@c
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@chapter BSP Questions
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The items in this category provide answers to questions
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commonly asked about BSPs.
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@section What is a BSP?
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BSP is an acronym for Board Support Package.
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A BSP is a collection of device drivers, startup code, linker scripts,
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and compiler support files (specs files) that tailor RTEMS for a
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particular target hardware environment.
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@section What has to be in a BSP?
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The basic set of items is the linker script, bsp_specs, and startup code.
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If you want standard IO, then you need a console driver. This is needed
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to run any of the RTEMS tests. If you want to measure passage of time,
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you need a clock tick driver. This driver is needed for all RTEMS tests
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EXCEPT hello world and the timing tests. The timer driver is a benchmark
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timer and is needed for the tmtests (timing tests). Sometimes you will
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see a shmsupp directory which is for shared memory multiprocessing
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systems. The network driver and real-time clock drivers are optional
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and not required by any RTEMS tests.
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