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# cd /lib/modules/$(uname -r)/build/
# pwd

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HelloWorld
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#include <linux/init.h>
#include <linux/module.h>
MODULE_LICENSE(“Dual MPL/GPL”);
static int hello_init(void)
{
printk(KERN_ALERT “Hello, world\n”);
return 0;
}
static void hello_exit(void)
{
printk(KERN_ALERT “Goodbye cruel world\n”);
}
module_init(hello_init);
module_exit(hello_exit);
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Makefile
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obj-m = hello.o
KERNELDIR ?= /lib/modules/$(uname -r)/build
Makefile
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#µÚÒ»²½Ã»ÓÐʲôÎÊÌâ
$ ./toolchain.sh headers
#µÚ¶þ²½Ò²Ë³Àûͨ¹ý
$ ./toolchain.sh firmware
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$ ./toolchain ......

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#include
#include
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
void *thread1(void *);
void *thread2(void *);
int i=1;
main(void)
{
pthread_t t_a;
pthread_t t_b;
pthread_create(&t_a,NULL,thread1,(void *)NULL) ......
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