Messages in this thread |  | | | From | "" <> | | Subject | Newbie questions on the kernel programming | | Date | Mon, 19 Jun 2006 09:30:12 -0000 |
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Hi all,
I am learning linux kernel programming starting from "The Linux Kernel Module Programming Guide"(http://www.faqs.org/docs/kernel/) . I have background in Windows DDK, but I am confused on the following topics. Can anyone here give me some hints.
1) MODULE_PARM() macro (http://www.faqs.org/docs/kernel/x350.html) static short int myshort = 1; static int myint = 420; static long int mylong = 9999; static char *mystring = "blah"; MODULE_PARM (myshort, "h"); MODULE_PARM (myint, "i"); MODULE_PARM (mylong, "l"); MODULE_PARM (mystring, "s");
In the sample code, it is said the MODULE_PARM macro can allow arguments to be passed to the driver module. But how?
2) Character Device Drivers(http://www.faqs.org/docs/kernel/x571.html) I can not catch the key points in this section. What should I learn from the "chardev.c" sample? How can I install the module as a device? How can I call the functions in the driver?
3) The /proc File System(http://www.faqs.org/docs/kernel/x716.html) What's the main points in the section. How does the /proc file system matter linux kernel programming?
Many thanks!
Liang Chen
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