BSP Developer's Guide

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VxWorks 5.5 BSP Developer’s Guide ! CAUTION: A config.h file should not include configAll.h until after BSP_VERSION and BSP_REV have been defined. If they are not defined, configAll.h, assigns default values. If you include BSP-specific configuration options in config.h, try to make those options as user-friendly as possible. Ideally, users should immediately understand the use of an option from its name alone. In addition, do not expect users to perform calculations to set a configuration option. For example, you should make the code (or the compiler) figure out register values based on whether a meaningfully named constant is defined. Cache and MMU Configuration. The default cache and MMU configuration are architecture dependent. They are usually configured to maximize board performance. Depending on the architecture, cache and the MMU can be completely independent or highly integrated. Usually, when the MMU is enabled, it assumes control of caching on a page-by-page basis. This means that the macros USER_I_CACHE_MODE and USER_D_CACHE_MODE do not usually affect caching when the MMU is enabled. For detailed information on cache and MMU interactions, refer to the relevant VxWorks Architecture Supplement document. Most BSPs undefine the configAll.h default settings for cache and MMU, and redefine them in config.h just to allow users to make their own selections more easily. Doing so brings the settings to the direct attention of users when they make configuration changes. Of course, if cache mode is not a user-changeable option, these macros should be defined in bspname.h instead of config.h. Shared Memory Network Definitions. This section describes the parameters needed to configure the shared memory network driver (for additional information, refer to the VxWorks Network Programmer’s Guide: Data Link Layer Network Components). The shared memory network allows a number of CPU boards in a system to communicate via shared memory. The following constants are important when the shared memory network is initialized: SM_ANCHOR_ADRS The backplane anchor address. The anchor contains a pointer to the actual shared memory pool. If the on-board memory is being dual-ported, then the allocated memory’s low address + 0x600 is the default used by Wind River. If a memory board is used, then the base address of this memory is used. SM_MEM_ADRS The location of the shared memory. Specifying NONE means that the memory is to be dynamically located from the master’s on-board dual-ported memory using malloc( ). 18
2 BSP Organization SM_MEM_SIZE The size of the shared memory pool. SM_INT_TYPE The method of communication with other CPU boards on the backplane. Define SM_INT_TYPE to equal one of the macros listed in Table 2-1. 2 Table 2-1 Shared Memory Interrupt Types SM_INT_TYPE SM_INT_ARG1 SM_INT_ARG2 SM_INT_ARG3 Meaning SM_INT_NONE - - - Polling SM_INT_BUS level vector - Bus interrupt SM_INT_MAILBOX_1 address space address value 1-byte write mailbox SM_INT_MAILBOX_2 address space address value 2-byte write mailbox SM_INT_MAILBOX_4 address space address value 4-byte write mailbox SM_INT_MAILBOX_R1 address space address - 1-byte read mailbox SM_INT_MAILBOX_R2 address space address - 2-byte read mailbox SM_INT_MAILBOX_R4 address space address - 4-byte read mailbox For information on changes made to the shared memory subsystem for Tornado 2.2, see the Tornado Migration Guide. RAM Addresses and Size. LOCAL_MEM_LOCAL_ADRS The start of the on-board memory area. LOCAL_MEM_SIZE The fixed (static) memory size. 19
Page 1 and 2: VxWorks® 5.5 BSP DEVELOPER’S GUI
Page 3 and 4: 1 Overview ........................
Page 5 and 6: Contents 1 Overview ...............
Page 7 and 8: Contents 3.6.5 Cache, MMU, and DMA
Page 9 and 10: Contents Memory-Mapped Chips ......
Page 11 and 12: Contents 7.3.3 System Configuration
Page 13 and 14: Contents 9.5.4 Processing .........
Page 15 and 16: Contents F Generic Drivers ........
Page 17 and 18: Contents Stopping the Driver Withou
Page 19 and 20: 1 Overview 1.1 Introduction One str
Page 21 and 22: 1 Overview ■ New Drivers Many new
Page 23 and 24: 1 Overview Included with Tornado (n
Page 25 and 26: 1 Overview ■ ■ ■ ■ ■ ■
Page 27 and 28: 1 Overview Table 1-1 Font Usage for
Page 29 and 30: 2 BSP Organization 2.1 Introduction
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Page 59 and 60: 3 Creating a New BSP 3.1 Introducti
Page 61 and 62: 3 Creating a New BSP 3.2 Setting Up
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Page 79 and 80: 3 Creating a New BSP 3.6.7 SCSI VxW
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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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8 Writing Portable C Code 8.1.3 Sta
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8 Writing Portable C Code 8.1.5 Oth
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8 Writing Portable C Code The last
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8 Writing Portable C Code Always sp
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8 Writing Portable C Code 8.2 Tool
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9 Documentation Guidelines 9.1 Intr
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9 Documentation Guidelines Spelling
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9 Documentation Guidelines Table 9-
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9 Documentation Guidelines Table 9-
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9 Documentation Guidelines ■ Avoi
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9 Documentation Guidelines ■ ■
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9 Documentation Guidelines INCLUDE
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9 Documentation Guidelines INTRODUC
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9 Documentation Guidelines 9.5 Gene
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9 Documentation Guidelines uppercas
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9 Documentation Guidelines The foll
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10 Product Packaging 10.1 SETUP Dev
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10 Product Packaging ... include $(
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10 Product Packaging Vendor-Supplie
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10 Product Packaging in the project
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A Upgrading a BSP for Tornado 2.0 T
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A Upgrading a BSP for Tornado 2.0 A
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A Upgrading a BSP for Tornado 2.0
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A Upgrading a BSP for Tornado 2.0 6
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B Upgrading a BSP for Tornado 2.2 T
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B Upgrading a BSP for Tornado 2.2 C
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B Upgrading a BSP for Tornado 2.2
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B Upgrading a BSP for Tornado 2.2 c
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B Upgrading a BSP for Tornado 2.2
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C Upgrading a BSP for the VxWorks N
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D VxWorks Boot Sequence Table D-1 d
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D VxWorks Boot Sequence Table D-1 V
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E Component Language E.1 Component
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E Component Language REQUIRES r1 r2
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E Component Language } // default i
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E Component Language FOLDER_WINDVIE
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E Component Language initialization
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E Component Language INCLUDE_MMU_BA
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E Component Language INCLUDE_NETWOR
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E Component Language INCLUDE_WDB_ME
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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 SC
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I Writing a SCSI-2 Device Driver On
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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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I Writing a SCSI-2 Device Driver *
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I Writing a SCSI-2 Device Driver ;/
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I Writing a SCSI-2 Device Driver Th
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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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