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broadcom提供的BCM SDK培训文档.pdf

发布时间：2022-06-10 发布人：admin 分类：说明书 资料大小：1.34M 资料格式：pdf 举报 版权申诉
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    Generic SDK 5.6.6 Introduction
    SDK Architecture Introduction
    Source Tree Layout
    SDK Initialization
    Threads
    SDK Code Size Reduced(Customized) Guideline
    BCM SHELL Overview
    Getting Around
    Common Diagnostic Commands
    Low-level Commands
    Configuring Switching Tables
    Diagnostic Tests
    Generic SDK 5.6.6 Introduction April, 2010 Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. www.broadcom.com
    Agenda • SDK Architecture Introduction • SDK Initialization • Threads • Packet TX/RX/DMA • SDK code size reducing • BCM SHELL Overview Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. 1
    SDK Architecture Introduction Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. www.broadcom.com
    The grand view of SDK Customer Applications BRCM Applications Diag Diag Shell Shell Tests Tests Stacking Stacking Software suite Software suite BCMX API BCM API C o n f i g M a n a g e r SOC API Core SAL Appl. SAL RTOS BSP BCM 56XX BCM 56XXX BCM 53XX Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. 3
    SDK components Broadcom Sample Applications BCM Diagnostic Shell Diagnostic test suite Linux network interface driver Broadcom Reference Libraries BCM API BCMX API Stacking Software Suite Broadcom Low-level (support) Libraries Core SAL Application SAL SOC Broadcom Sample System Software Broadcom Device Enumerator (BDE) Linux module skeleton VxWorks BSPs Additional Device Drivers • Sample Applications – Use the reference libraries to implement certain functionality – sample implementation of access methods and policies required by the reference code • Reference Libraries – The “core IP” – Mechanism, not policy – System-independent • Sample System Software Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. 4
    Broadcom APIs System Applications System Applications Customer Management Software Stacking API Stacking API Dynamic Multibox Stacking Support BCMX BCMX Multiple Device Control Multiple Device Control Uniform API for System Applications Single unified view of multiple devices Local and remote device support BCM API BCM API Dispatch Dispatch BCM56xxx BCM56xxx Device Control Device Control BCM53xx BCM53xx Device Control Device Control Core Device API Multiple Implementation Support Device Control implementations Strata™ II, XGS™, XGS II™, XGS III™ RoboSwitch™ Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. 5
    The BCM API • This is the basic building block for systems using our software • The goal is to provide a high level programming interface covering all of the features of our devices AND • Provide the same programming interface for each one of them, making them interchangeable from a software perspective • This API is single device oriented – Operates and configures one chip at a time – Multiple chips in the same system require multiple independent calls • “Plug In” implementation allows support for multiple chips and multiple chip architectures from the same software image in the same system Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. 6
    Supporting all Broadcom Switches • All APIs are defined in terms of high-level concepts such as ports, abstract L2 entries, routing table entries, VLANs, etc. • No need to program registers directly • All existing chips are supported in a single image and controlled using the same API functions – It is possible to choose only a subset in order to reduce the image size • All chip features are supported (not just the common ones) • Very few API changes even between different generations • Transition between older, current and future Broadcom chipsets is very easy Broadcom Proprietary & Confidential. © 2009 Broadcom Corporation. All rights reserved. 7
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