BSP Developer's Guide

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VxWorks 5.5 BSP Developer’s Guide ■ The files in these directories are part of the VxWorks architecture/toolchain product and should not be altered by any third-party product. The BSP dependency file, target/config/bspname/depend.bspname, should not be delivered with the other BSP files. By not including this file, the system is forced to recreate it the first time a user issues any make command to compile anything. Driver Directories The product should not include any-third party files in the directories listed below. These directories are reserved for Wind River-original files only. Third parties should not add to, or modify, any file from these directories. If the BSP includes a BSP-specific version of a Wind River driver, the driver should be distributed in the BSP directory, not the target/src/drv directory. target/h/drv/... target/src/drv/... ■ Modified Wind River object files The BSP writer should not deliver any object file that overwrites or replaces a Wind River-supplied object file. Unique or special object files shall be delivered in the BSP directory itself. ■ Copyright Protected Files Wind River reserves all rights to its network and SCSI drivers. No third party may distribute the source code to these drivers, or to any derivative driver without the express written consent of Wind River Systems. Source code for Wind River component releases is normally protected. target/src/drv/netif/any.c target/src/drv/scsi/any.c target/src/drv/end/any.c Source of the Files The template BSP included in the BSP Kit product is not the source for the generic driver or architecture-specific driver files. The sample BSP is supplied primarily as an aid to developers who are creating target-specific files and new drivers. Developers typically copy common files from a reference BSP (one BSP is bundled with each VxWorks object license). 198
10 Product Packaging Vendor-Supplied Shared Files Some files can appear to be target-specific when in fact they are shared by multiple BSPs. These shared files include those described above as “generic” and “architecture-specific,” as well as files included on the Device Driver Object product. The following directories are distributed with the Tornado architecture product and the Tornado driver component product: target/config/all target/src/config target/src/drv/antyhing target/h/drv/anything target/h/make target/h/tool/anything Under no circumstances may these directories and files be altered and shipped by third-party developers. Although BSP developers are encouraged to create generic device drivers, they must not place the source code in the target/src/drv and target/h/drv directories; all existing Wind River drivers must not be modified. If an end user were to install a Wind River BSP or a new VxWorks version after installing a third-party BSP with altered shared files, the third-party changes would be overwritten by the Wind River files. Typically, BSPs can be written so that all target-specific files reside in target/config/bspname, and target reference pages in docs/vxworks/bsp/bspName. In the few cases where this is not possible, the BSP must include altered versions of the shared files. However, the shared files themselves must not be altered; instead, a copy of the needed file is modified and placed in an appropriate location (for example, target/config/bspname). Then the BSP make files are updated to point to the developer’s version; see the makefile mechanisms described in the Tornado User’s Guide, 2.2. The BSP developer can use the CONFIG_ALL makefile variable to direct the BSP make files to search for modified versions of the target/config/all files. First, the developer should make copies of the Wind River versions of these files and place them in the BSP bspname directory, modifying them as necessary. (Note that this mechanism only works for traditional command-line building and does not have any effect on project configuration or building.) By customizing the VxWorks build, the BSP developer can create target-specific versions of shared files without conflicting with other BSPs. Beginning with Tornado 2.0, each architecture CD-ROM contains a “Driver Objects/Headers” product. This product contains all the compiled Ethernet and 10 199
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VxWorks® 5.5 BSP DEVELOPER’S GUI
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1 Overview ........................
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Contents 1 Overview ...............
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Contents 3.6.5 Cache, MMU, and DMA
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Contents Memory-Mapped Chips ......
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Contents 7.3.3 System Configuration
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Contents 9.5.4 Processing .........
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Contents F Generic Drivers ........
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Contents Stopping the Driver Withou
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1 Overview 1.1 Introduction One str
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1 Overview ■ New Drivers Many new
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1 Overview Included with Tornado (n
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1 Overview ■ ■ ■ ■ ■ ■
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1 Overview Table 1-1 Font Usage for
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2 BSP Organization 2.1 Introduction
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2 BSP Organization Files in the tar
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2 BSP Organization Files in the tar
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2 BSP Organization Version 1.0 BSPs
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2 BSP Organization SM_MEM_SIZE The
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2 BSP Organization For boards witho
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2 BSP Organization PCI_MSTR_IO_LOCA
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2 BSP Organization The entry point
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2 BSP Organization target.nr The fi
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2 BSP Organization bootrom This fil
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2 BSP Organization sysSerialHwInit(
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2 BSP Organization The Motorola M68
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2 BSP Organization Many VxWorks fac
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2 BSP Organization further board in
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2 BSP Organization can have very un
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3 Creating a New BSP 3.1 Introducti
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3 Creating a New BSP 3.2 Setting Up
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3 Creating a New BSP Makefile At a
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3 Creating a New BSP char * sysBspR
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3 Creating a New BSP ... #endif } T
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3 Creating a New BSP int dummy; ...
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3 Creating a New BSP To find the so
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3 Creating a New BSP might want to
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3 Creating a New BSP not, use the s
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3 Creating a New BSP ■ It has a V
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3 Creating a New BSP 3.6.7 SCSI VxW
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4 Hardware Guidelines 4.1 Introduct
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4 Hardware Guidelines to the start
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4 Hardware Guidelines Higher-level
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4 Hardware Guidelines Such dedicate
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4 Hardware Guidelines Especially us
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4 Hardware Guidelines selected from
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4 Hardware Guidelines Hardware Inte
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4 Hardware Guidelines The rest of t
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4 Hardware Guidelines 4.4.2 System
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4 Hardware Guidelines only deal wit
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4 Hardware Guidelines 4.4.13 Parall
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4 Hardware Guidelines 0x10000, /* 6
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4 Hardware Guidelines The following
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5 Driver Guidelines 5.1 Introductio
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5 Driver Guidelines Maintenance and
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5 Driver Guidelines word addresses.
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5 Driver Guidelines 5.4 Design Guid
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5 Driver Guidelines Per-Device Data
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5 Driver Guidelines To fix this sit
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5 Driver Guidelines block are more
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5 Driver Guidelines 5.8 Driver Use
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5 Driver Guidelines ■ ■ Memory
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5 Driver Guidelines The level of ca
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5 Driver Guidelines cache for the d
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6 Components 6.1 Introduction Torna
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6 Components 6.2 Component Descript
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6 Components ■ User Presentation.
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6 Components Folder FOLDER_ANSI { N
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6 Components in a single project. I
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6 Components The component object i
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6 Components Parameters Parameters
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6 Components In the example, the co
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6 Components (2) comps/vxWorks/arch
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6 Components Figure 6-4 Include Com
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6 Components NOTE: INIT_BEFORE only
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6 Components The _CHILDREN property
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6 Components ! CAUTION: Do not alte
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6 Components ■ Check the Project
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7 Validation Testing 7.1 Introducti
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7 Validation Testing ■ ■ The te
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7 Validation Testing 2. The script
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7 Validation Testing Figure 7-4 Typ
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Page 177 and 178: 8 Writing Portable C Code This chap
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Page 221 and 222: A Upgrading a BSP for Tornado 2.0 T
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Page 241 and 242: D VxWorks Boot Sequence Table D-1 d
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Page 249 and 250: E Component Language E.1 Component
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Page 265 and 266: F Generic Drivers F.1 Introduction
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F Generic Drivers CONSOLE_TTY This
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F Generic Drivers Define SIO_CALLBA
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F Generic Drivers NV_RAM_SIZE Defin
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F Generic Drivers F.10 PCI Bus The
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G Upgrading 4.3 BSD Network Drivers
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H Implementing a MUX-Based Network
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I Writing a SCSI-2 Device Driver I.
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I Writing a SCSI-2 Device Driver A
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I Writing a SCSI-2 Device Driver *
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I Writing a SCSI-2 Device Driver ;/
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J BSP Validation Test Suite Referen
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K BSP Validation Checklists This ap
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K BSP Validation Checklists BSP Val
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K BSP Validation Checklists 7. Veri
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K BSP Validation Checklists 2. If t
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K BSP Validation Checklists Validat
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K BSP Validation Checklists Manufac
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K BSP Validation Checklists Manufac
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L Refgen NOTE: In Tornado 1.0.1 and
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L Refgen * SYNOPSIS * \cs * void xx
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L Refgen Yields output approximatel
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L Refgen EXAMPLE INCLUDES SEE ALSO
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M BSP Product Contents When you are
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M BSP Product Contents Do not inclu
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Index A abort button 82 addressing
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Index clocks see also individual cl
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Index naming conventions 95 perform
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Index INCLUDE_USR_APPL 38 INCLUDE_V
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Index network drivers 58 network in
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Index scsiCtrlLib 324 scsiDirectLib
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Index testing, validation 139-158 s
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