Cheat Sheet | Vxworks Command

| Command | Description | Example | | :--- | :--- | :--- | | | Display (dump) memory in hex and ASCII. | d 0x00100000, 100 (dump 100 bytes) | | d.b | Display bytes. | d.b 0x80001000 | | d.w | Display words (2 bytes). | d.w 0x80001000 | | d.l | Display long words (4 bytes). | d.l 0x80001000 | | m | Modify memory (interactive). | m 0x80001000 | | m.b / m.w / m.l | Modify bytes/words/longs. | m.l 0x80001000 0xDEADBEEF | | fill | Fill a memory region with a value. | fill 0x80000000, 0x100, 0xFF | | copy | Copy memory region. | copy 0x8000, 0x9000, 0x200 |

: Displays information about the network interfaces, including IP addresses and packet statistics.

: Display symbol table information near the given address. memShow : Show system memory usage statistics.

If necessary, isolate the task by typing ts "TaskName" to suspend it. Scenario B: Tracking Down a Crashed Task vxworks command cheat sheet

Uses a standard Unix/Linux command-line syntax without parentheses. Prompt: Typically ends with [vxWorks *]# . Example: i or task show

Happy debugging. Keep your tasks running and your deadlines real-time.

: Breakpoint . Sets a breakpoint at a function name or address. bd(func) : Breakpoint Delete . Deletes a specific breakpoint. bdall : Breakpoint Delete All . Deletes all breakpoints. c : Continue . Resumes execution from a breakpoint. | Command | Description | Example | |

Debugging is an essential part of VxWorks development. Here are some essential debugging commands:

VxWorks supports standard file systems (like HRFS or dosFs). Standard POSIX-like syntax is supported through the shell for interacting with local or network-mounted directories. Alternative (C-Shell) Description cd "path" cd Changes the current working directory. pwd() pwd Prints the absolute path of the current directory. ls() or dir() ls or dir Lists files and folders in the current directory. copy("src", "dest") copy Copies a file from a source location to a destination. remove("filename") remove Deletes a specified file from the storage medium. devs() devs

i : Prints a concise summary of all active tasks, including their TCB (Task Control Block) information. 6. Semaphores and Inter-Task Communication

: Displays stack usage for a task (0 for all tasks). рџ”Ќ Memory and System Debugging Inspect memory, modify values, and check system health.

Analyzes task stacks to see how much headroom remains before an overflow. 6. Semaphores and Inter-Task Communication