WebJan 30, 2024 · Kernel modules are pieces of code that can be loaded and unloaded into the kernel upon demand. They extend the functionality of the kernel without the need to reboot the system. Custom codes can be added to Linux kernels via two methods. The basic way is to add the code to the kernel source tree and recompile the kernel. WebMay 18, 2016 · #include #include #include "headerfile.h" #include static void test_init (void) { printk (KERN_ALERT "Test init\n"); void *x; x = func1 (); } static void test_exit (void) { printk (KERN_ALERT "test: exit function called"); } module_init (test_init); module_exit (test_exit);
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WebBy the use of #include directive, we provide information to the preprocessor where to look for the header files. There are two variants to use #include directive. #include … WebJun 9, 2024 · #include #include #include static int __init helloWorldInit (void) { pr_info ("Hello World!\n"); return 0; } static void __exit helloWorldExit (void) { pr_info ("Removed kernel module successfully"); } module_init (helloWorldInit); module_exit (helloWorldExit); MODULE_LICENSE ("GPL"); MODULE_AUTHOR ("author"); MODULE_DESCRIPTION ("Test … cheeseburger delivery petaluma ca
Error [LI006] - STM32L1xx - IAR - Linker error: Duplicate Definition
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