RTAI patch for ARM Cortex-A8出错

错误描述：

{standard input } :8129 :Error :selected processor does not support ldrex r4 ,[r3]'  

{standard input } :8131 :Error :selected processor does not support strexeq r5 ,r1,[r3]'  

{standard input } :8179 :Error :selected processor does not support ldrex r5 ,[r3]'  

{standard input } :8181 :Error :selected processor does not support strexeq r4 ,r5,[r3]'  

{standard input } :8226 :Error :selected processor does not support ldrex r5 ,[r3]'  

{standard input } :8228 :Error :selected processor does not support strexeq r4 ,r5,[r3]'  

请问这个是问题如何解决？