1、修改sys.c
命令:sudo gedit /usr/src/linux-2.6.38.8/kernel/sys.c
添加如下内容:
#include <linux/gt_fs.h>
asmlinkage long sys_rt_read(unsigned int ipointnr, __64 time, struct data_package_info *dpi)
{
return my_sys_rt_read(ipointnr, time, dpi);
}
asmlinkage long sys_rt_write(unsigned int ipointnr, struct data_package_info *dpi, unsigned int cout)
{
return my_sys_rt_write(ipointnr, dpi, count);
}
asmlinkage long sys_rt_info(struct rt_info m_info)
{
return my_sys_rt_info(m_info);
}
2、增加系统调用号:
命令:sudo gedit /usr/src/linux-2.6.38.8/arch/x86/include/asm/unistd_32.h
添加如下内容:
#define __NR_rt_read 342
#define __NR_rt_write 343
#define __NR_rt_info 344
#define NR_syscalls 344
3、增加系统调用
命令:sudo gedit /usr/src/linux-2.6.38.8/arch/x86/kernel/syscall_table_32.S
添加如下内容:
.long sys_rt_read /* 342 */
.long sys_rt_write /* 343 */
.long sys_rt_info /* 344 */
4、编译内核
。。。。。。
(见“linux编译内核”一章)