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VxWorks 5.4 Programmer’s Guide Restrictions on cret( )and tt( )........................................................ 514 cacheLib .............................................................................................. 515 dbgLib ................................................................................................. 515 dbgArchLib ........................................................................................ 515 intALib ................................................................................................ 515 intArchLib .......................................................................................... 516 mmuALib ........................................................................................... 517 usrLib ................................................................................................. 517 vmLib ................................................................................................. 517 vxALib ................................................................................................ 517 vxLib ................................................................................................. 517 COFF-Specific Tools For ARM ......................................................... 518 G.5 Architecture Considerations ........................................................................... 518 Processor Mode and Byte Order ..................................................... 519 ARM/Thumb State ........................................................................... 519 Interrupts and Exceptions ................................................................ 520 Floating-Point Support ..................................................................... 522 Caches ................................................................................................. 522 Memory Management Unit .............................................................. 524 Memory Layout ................................................................................. 528 H VxSim ................................................................................................................................ 531 H.1 Introduction ...................................................................................................... 531 H.2 The Built-in Simulator ..................................................................................... 533 Installation and Configuration ........................................................ 533 Starting VxSim ................................................................................... 533 Rebooting VxSim ............................................................................... 533 Exiting VxSim ..................................................................................... 533 System-Mode Debugging ................................................................. 534 File Systems ........................................................................................ 534 H.3 Building Applications ..................................................................................... 535 Defining the CPU Type ..................................................................... 535 The Toolkit Environment .................................................................. 535 Compiling C and C++ Modules ...................................................... 535 Linking an Application to VxSim .................................................... 538 Architecture-Specific Tools ............................................................... 540 xxiv
Contents H.4 Architecture Considerations ........................................................................... 540 Supported Configurations ................................................................ 540 The BSP Directory .............................................................................. 541 Interrupts ............................................................................................. 541 Clock and Timing Issues ................................................................... 544 H.5 VxSim Networking Component .................................................................... 545 Installing VxSim Network Drivers .................................................. 546 Configuring VxSim for Networking ............................................... 552 Running Multiple Simulators .......................................................... 553 System Mode Debugging ................................................................. 553 IP Addressing ..................................................................................... 555 Choosing Processor Numbers for Distinct Devices ...................... 556 Setting Up Remote Access ................................................................ 557 Setting up the Shared Memory Network (UNIX only) ................ 559 I Coding Conventions ........................................................................................................ 563 I.1 Introduction ...................................................................................................... 563 I.2 File Heading ...................................................................................................... 564 I.3 C Coding Conventions .................................................................................... 565 I.3.1 C Module Layout ............................................................................... 565 I.3.2 C Subroutine Layout ......................................................................... 567 I.3.3 C Declaration Formats ....................................................................... 568 Variables .............................................................................................. 569 Subroutines ......................................................................................... 570 I.3.4 C Code Layout .................................................................................... 571 Vertical Spacing .................................................................................. 571 Horizontal Spacing ............................................................................ 571 Indentation .......................................................................................... 572 Comments ........................................................................................... 574 I.3.5 C Naming Conventions .................................................................... 574 I.3.6 C Style .................................................................................................. 576 I.3.7 C Header File Layout ........................................................................ 577 xxv
Page 1 and 2: VxWorks Programmer’s Guide ® 5.4
Page 3: 1 Overview ........................
Page 6 and 7: VxWorks 5.4 Programmer’s Guide 2
Page 8 and 9: VxWorks 5.4 Programmer’s Guide 2.
Page 10: VxWorks 5.4 Programmer’s Guide 3.
Page 13 and 14: Contents 4.4.2 Initializing the raw
Page 15 and 16: Contents 6.2.4 Shared-Memory Alloca
Page 17 and 18: Contents The -I Compiler Flag .....
Page 19 and 20: Contents 9.2.6 Summary of Target an
Page 21 and 22: Contents Double-word Integers: long
Page 23: Contents F.2 Building Applications
Page 27 and 28: 1 Overview 1.1 Introduction This ma
Page 29 and 30: 1 Overview You can use the cross-de
Page 31 and 32: 1 Overview ■ ■ ■ ■ ■ Perf
Page 33 and 34: 1 Overview services. Using these in
Page 35 and 36: 1 Overview RT-11 Compatible File Sy
Page 37 and 38: 1 Overview Target-Resident Tools 1
Page 39 and 40: 1 Overview writer and a single read
Page 41 and 42: 1 Overview Board Support Packages (
Page 43 and 44: 1 Overview 1.6 Documentation Conven
Page 45 and 46: 2 Basic OS 2.1 Introduction Modern
Page 47 and 48: 2 Basic OS - signal handlers - debu
Page 49 and 50: 2 Basic OS Preemptive Priority Sche
Page 51 and 52: 2 Basic OS Preemption Locks The win
Page 53 and 54: 2 Basic OS Table 2-4 Task Name and
Page 55 and 56: 2 Basic OS Table 2-8 Task-Deletion
Page 57 and 58: 2 Basic OS 2.3.5 Tasking Extensions
Page 59 and 60: 2 Basic OS Table 2-12 POSIX Schedul
Page 61 and 62: 2 Basic OS Example 2-2 Getting POSI
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2 Basic OS the other semaphore-cont
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2 Basic OS * blocked on semaphore w
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2 Basic OS ■ ■ ■ ■ It can b
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2 Basic OS guarding the resource le
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2 Basic OS semaphore with an initia
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2 Basic OS Table 2-15 POSIX Semapho
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2 Basic OS printf ("unnameSem: sem_
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2 Basic OS To remove a semaphore, a
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2 Basic OS 2.4.4 Message Queues Mod
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2 Basic OS Urgent Messages The msgQ
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2 Basic OS queue is full, mq_send(
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2 Basic OS void sendTask (void) { m
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2 Basic OS mySigAction.sa_sigaction
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2 Basic OS /* Read in the messages
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2 Basic OS printf ("mq_receive with
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2 Basic OS intertask messages. In V
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2 Basic OS individually addressed p
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2 Basic OS Table 2-20 Basic Signal
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2 Basic OS 2.5 Interrupt Service Co
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2 Basic OS 2.5.3 Special Limitation
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2 Basic OS the boot ROMs re-display
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2 Basic OS Table 2-24 Watchdog Time
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2 Basic OS 2.8 POSIX Memory-Locking
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3 I/O System 3.1 Introduction The V
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3 I/O System The first refers to a
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3 I/O System Table 3-1 Basic I/O Ro
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3 I/O System Table 3-2 File Access
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3 I/O System The write( ) routine e
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3 I/O System Example 3-1 Applicatio
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3 I/O System 3.4.1 Using Stdio Note
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3 I/O System While sscanf( ) is imp
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3 I/O System (which can be seen on
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3 I/O System that reason, their ret
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3 I/O System /* clean up */ if (aio
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3 I/O System aiocb_write.aio_sigeve
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3 I/O System Tty Options The tty de
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3 I/O System possible to restart Vx
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3 I/O System Writing to Pipes from
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3 I/O System Mounting a Remote NFS
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3 I/O System Files on a network dev
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3 I/O System with rt11Fs using rt11
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3 I/O System the same BSP, then dif
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3 I/O System typedef struct /* SCSI
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3 I/O System /* configure Wincheste
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3 I/O System /* initialize a tapeFs
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3 I/O System 3.7.7 Sockets In VxWor
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3 I/O System VxWorks file systems,
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3 I/O System Drivers can optionally
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3 I/O System Figure 3-2 Example - D
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3 I/O System information. In partic
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3 I/O System Figure 3-5 Example: Ca
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3 I/O System Figure 3-6 Example: Ca
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3 I/O System can also occur elsewhe
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3 I/O System if (pMyDrvDev->myDrvDa
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3 I/O System else { cacheFlush (DAT
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3 I/O System the end of the written
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3 I/O System operations in the init
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3 I/O System Table 3-15 Fields in t
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3 I/O System pDev numBytes buffer f
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3 I/O System funcCode the requested
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3 I/O System dosFsModeChange( )) is
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3 I/O System routine is the opposit
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3 I/O System end-of-file. However,
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4 Local File Systems 4.1 Introducti
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4 Local File Systems Figure 4-1 MS-
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4 Local File Systems Figure 4-2 FAT
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4 Local File Systems Volume Label A
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4 Local File Systems The routine do
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4 Local File Systems limit its use,
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4 Local File Systems value (at leas
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4 Local File Systems You can also e
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4 Local File Systems The most commo
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4 Local File Systems 4.2.14 Reading
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4 Local File Systems /* set read-on
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4 Local File Systems data would be
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4 Local File Systems To explicitly
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4 Local File Systems It is also pos
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4 Local File Systems Table 4-5 I/O
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4 Local File Systems ! WARNING: The
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4 Local File Systems 4.3.4 Mounting
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4 Local File Systems Ready-change c
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4 Local File Systems 4.4.2 Initiali
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4 Local File Systems 4.4.6 Changing
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4 Local File Systems However, if th
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4 Local File Systems The tapeFsInit
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4 Local File Systems Mounting Volum
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4 Local File Systems Table 4-9 MTIO
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4 Local File Systems Each I/O reque
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4 Local File Systems ! WARNING: Whe
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5 C++ Development Basic Support and
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5 C++ Development routines in WindS
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5 C++ Development ! WARNING: In the
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5 C++ Development Calling Static Co
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5 C++ Development -frepo This appro
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5 C++ Development consult any stand
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5 C++ Development Run-Time Type Inf
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5 C++ Development modification hist
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5 C++ Development */ object_t* clas
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5 C++ Development catch (exception)
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5 C++ Development /****************
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5 C++ Development /* object_registr
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5 C++ Development ! CAUTION: In ord
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5 C++ Development /* Create a watch
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6 Shared-Memory Objects Optional Co
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6 Shared-Memory Objects 6.2.1 Name
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6 Shared-Memory Objects 6.2.2 Share
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6 Shared-Memory Objects Figure 6-1
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6 Shared-Memory Objects /**********
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6 Shared-Memory Objects } { if (msg
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6 Shared-Memory Objects memory syst
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6 Shared-Memory Objects Example 6-3
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6 Shared-Memory Objects /* get shar
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6 Shared-Memory Objects if ((smMemP
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6 Shared-Memory Objects 6.3 Interna
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6 Shared-Memory Objects 6.3.5 Cache
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6 Shared-Memory Objects Table 6-5 W
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6 Shared-Memory Objects Table 6-6 C
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6 Shared-Memory Objects ■ ■ ■
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7 Virtual Memory Interface Basic Su
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7 Virtual Memory Interface To make
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7 Virtual Memory Interface 7.5 Usin
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7 Virtual Memory Interface Change t
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7 Virtual Memory Interface Figure 7
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7 Virtual Memory Interface /* Selec
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7 Virtual Memory Interface typedef
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7 Virtual Memory Interface processo
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7 Virtual Memory Interface * This r
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7 Virtual Memory Interface 0x1fb800
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8 Configuration and Build 8.1 Intro
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8 Configuration and Build The Syste
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8 Configuration and Build devices.
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8 Configuration and Build NOTE: The
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8 Configuration and Build The Initi
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8 Configuration and Build Installat
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8 Configuration and Build As noted
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8 Configuration and Build Table 8-1
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8 Configuration and Build 8.4 Build
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8 Configuration and Build tty heade
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8 Configuration and Build ! CAUTION
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8 Configuration and Build To define
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8 Configuration and Build -DCPU=arc
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8 Configuration and Build ! WARNING
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8 Configuration and Build linker ld
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8 Configuration and Build The Globa
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8 Configuration and Build - INCLUDE
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8 Configuration and Build Aside fro
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8 Configuration and Build ROM image
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8 Configuration and Build 8.7 Build
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8 Configuration and Build Figure 8-
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8 Configuration and Build sake of c
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8 Configuration and Build by the su
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8 Configuration and Build compilati
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8 Configuration and Build CC_DEFINE
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8 Configuration and Build 8.8.2 Usi
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8 Configuration and Build can simpl
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8 Configuration and Build As before
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9 Target Shell 9.1 Introduction In
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9 Target Shell 9.2.2 Using the Targ
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9 Target Shell Note that an offendi
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9 Target Shell ■ ■ ■ ■ ■
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9 Target Shell by reading the targe
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9 Target Shell Table 9-3 Network Sh
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Appendices 381
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