Vxworks Command Cheat Sheet __exclusive__ -

| 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 | Working with Variables Since the shell is a C interpreter, you can declare and print variables:

| Command | Description | | :--- | :--- | | | Shows detailed kernel version info. | | moduleShow | Lists dynamically loaded modules (.out files). | | moduleUnload | Unload a module. | | rtpShow | Shows Real-Time Processes (RTPs) – VxWorks 7’s process model. | | rtpSuspend / rtpResume | Control RTP execution. | | devShow | Detailed device tree walk. | vxworks command cheat sheet

If you are debugging a driver, testing a board support package (BSP), or tuning a real-time task, you will eventually find yourself staring at the (also known as the C interpreter shell or Host shell ). Unlike a Linux bash shell, the VxWorks shell is a direct window into the kernel. You can execute C functions, inspect memory, change variables, and even spawn tasks on the fly. | Command | Description | Example | |

If a command isn't working, type help "command" first. If that fails, your BSP might have disabled the C interpreter. In that case, switch to the Kernel Shell using -> prompt. If that fails

int x = 42; // Declare char * msg = "Hello"; // Declare string printVal x; // Print value printf("Msg: %s\n", msg); // Use stdio functions VxWorks provides robust crash analysis tools.