54 lines
950 B
C
54 lines
950 B
C
#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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static int itype=0;
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module_param(itype,int,0);
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static bool btype=0;
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module_param(btype,bool,0700);
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static char ctype=0;
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module_param(ctype,byte,0);
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static char *stype=0;
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module_param(stype,charp,0644);
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static int __init param_init(void)
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{
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printk(KERN_ALERT "param init!\n");
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printk(KERN_ALERT "itype=%d\n",itype);
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printk(KERN_ALERT "btype=%d\n",btype);
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printk(KERN_ALERT "ctype=%d\n",ctype);
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printk(KERN_ALERT "stype=%s\n",stype);
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return 0;
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}
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static void __exit param_exit(void)
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{
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printk(KERN_ALERT "module exit!\n");
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}
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EXPORT_SYMBOL(itype);
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int my_add(int a, int b)
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{
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return a+b;
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}
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EXPORT_SYMBOL(my_add);
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int my_sub(int a, int b)
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{
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return a-b;
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}
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EXPORT_SYMBOL(my_sub);
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module_init(param_init);
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module_exit(param_exit);
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MODULE_LICENSE("GPL2");
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MODULE_AUTHOR("embedfire ");
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MODULE_DESCRIPTION("module_param");
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MODULE_ALIAS("module_param"); |