BSP Developer's Guide

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VxWorks 5.5 BSP Developer’s Guide NAME Section DESCRIPTION an overall description of the library or subroutine INCLUDE FILES the included .h files (libraries only) RETURNS the values returned (subroutines only) SEE ALSO cross-references to documentation for other libraries and routines, or other user manuals Special considerations for these subsections are discussed below. ■ Libraries. Describe briefly what this collection of routines does. The hyphen must appear exactly as indicated (space-hyphen-space)—do not use backslashes or double hyphens. The general format is: nameLib.c - the such-and-such library For example: sysALib.s - mfr&board system-dependent assembly routines sysLib.c - mfr&board system-dependent library ■ Be sure to include the file-name extension (.c, .s); but note that the refgen process strips it off so that it does not appear in the final reference page entry. Subroutines. For the one-line heading/definition, use the imperative mood and convey action. The general format is: name - do such and such For example: DESCRIPTION Section sysMemTop - get the address of the top of memory Do not include the subroutine parentheses in the heading; the refgen process adds them in so that they appear in the final reference page entry. Start off the description section by saying: “This library...” or “This routine...”—do not repeat the module or subroutine name here; it has already been made clear. The remainder of the sentence should be a summary of what the library or routine does or provides (and in more depth than the NAME line). 184
9 Documentation Guidelines INCLUDE FILES Section Every library and driver entry should have a subheading INCLUDE FILES, which lists any relevant header files, for example: RETURNS Section INCLUDE FILES: sysLib.h The RETURNS section should be the last section before the SEE ALSO section. ■ Include a RETURNS section in all subroutines. If there is no return value (as in the case of a void) simply enter: ■ ■ ■ ■ ■ RETURNS: N/A Mention only true returns in the RETURNS section—not values copied to a buffer given as an argument. Always start a return-value statement with a capital and end it with a period; and again, do not use abbreviated English. For example: RETURNS: The address of the top of memory. Despite the general rule of style, we do not treat return values as complete sentences; the subject and verb are understood. Keep return statements in present tense. (Even if the conditions that cause an ERROR may be thought of as “past” once ERROR is returned.) In STATUS returns, ERROR must be followed by a qualifying statement. Always enter a comma after OK, because it must be clear that the qualifier belongs to the ERROR condition and not the OK. For example: RETURNS: OK, or ERROR if memory is insufficient. Do not preface lines of text with extra leading spaces—input lines whose first characters is a space cause a fill break. In the past, some authors applied this technique in RETURNS sections to force line breaks for separate elements of a return—we do not follow this convention. For example: CORRECT: * RETURNS: OK, or ERROR if the tick rate is invalid or the timer * cannot be set. 9 185
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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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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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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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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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