BSP Developer's Guide

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VxWorks 5.5 BSP Developer’s Guide Changes in Other Run-time Facilities Several optional products for Tornado 2.2/VxWorks 5.5 have undergone changes that necessitate BSP revisions: ■ ■ ■ True Flash File System (TrueFFS). For details, see the VxWorks Programmer’s Guide chapter on the Flash Memory Device Interface. Also consult the library entries for tffsConfig and tffsDrv in the VxWorks API Reference. USB. For details, see the USB Developer’s Kit Programmer’s Guide, 1.1.2, and the USB Developer’s Kit Release Notes, 1.1.2. DosFs 2.0. This updated version of the DOS file system support for VxWorks necessitates changes to your BSP. Because dosFsNLib version 2.0 has been available since shortly after the Tornado 2.0 release, many Tornado 2.0.x and later BSPs may already support it, and do not require modification. B.2 Architecture-Dependent BSP Issues The following sections provide the specific steps required to upgrade your BSP to Tornado 2.2/VxWorks 5.5 as well as architecture-specific information related to upgrading a BSP. For additional architecture-specific information, refer to the appropriate VxWorks Architecture Supplement manual for your target architecture (available on WindSurf). NOTE: Architecture information provided in this section is accurate at the time of publication. For current architecture information, see the Tornado Migration Guide, 2.2 (available on the Wind River Support Web site). B.2.1 Migration Changes Common to All Architectures NOTE: Some material in this section overlaps with the information in B.1 Architecture-Independent Changes to BSPs, p.211. The following changes are required for all BSPs, regardless of architecture: 214
B Upgrading a BSP for Tornado 2.2 ■ ■ Makefile update. This step is required for all users. Use the bspCnvtT2_2 script to update the BSP makefile. This script comments out unnecessary include lines and any existing HEX_FLAGS value. TFFS support. This step is required for BSPs with TFFS support. Remove the inclusion of sysTffs.c from the syslib.c file. B.2.2 68K/CPU32 All Wind River-supplied BSPs for the 68K/CPU32 architecture released with the Tornado 2.2 product have been upgraded for use with VxWorks 5.5. Custom VxWorks 5.4-based BSPs require only the modifications described in B.2.1 Migration Changes Common to All Architectures, p.214 to upgrade to VxWorks 5.5. No architecture-specific modifications are required. For more information on using VxWorks with 68K/CPU32 targets, see the VxWorks for 68K/CPU32 Architecture Supplement. B B.2.3 ARM NOTE: This section describes BSP migration from Tornado 2.1\VxWorks 5.4 to Tornado 2.2\VxWorks 5.5. For information on migrating a BSP from Tornado 2.0.x to Tornado 2.1, see the Tornado for ARM Release Notes and Architecture Supplement manual available on WindSurf. In addition to the steps described in B.2.1 Migration Changes Common to All Architectures, p.214, the following ARM-specific migration changes are required: ■ For assembly files only. The new macros GTEXT, GDATA, FUNC, and FUNC_LABEL have been added to assist in porting assembly files. The leading underscores in global assembly label names should be removed. Using these macros allows source compatibility between Tornado 2.1.x and Tornado 2.2. ■ Diab support. Due to differences in assembler syntax between the GNU and Diab toolchains, you need to change any GNU assembly macros to Diab syntax. For more information on Diab assembly syntax, see the Diab C/C++ Compiler for ARM User’s Guide. For more information on using VxWorks with ARM targets, see the VxWorks for ARM Architecture Supplement. 215
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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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7 Validation Testing NOTE: Wind Riv
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7 Validation Testing scsi Requires
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7 Validation Testing Table 7-1 Vali
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7 Validation Testing Table 7-2 Vali
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7 Validation Testing sysProcNumGet
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7 Validation Testing The log file c
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8 Writing Portable C Code This chap
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8 Writing Portable C Code attribute
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Page 191 and 192: 9 Documentation Guidelines 9.1 Intr
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Page 241 and 242: D VxWorks Boot Sequence Table D-1 d
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Page 265 and 266: F Generic Drivers F.1 Introduction
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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 SC
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I Writing a SCSI-2 Device Driver On
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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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