adr_l x4, init_task

init_cpu_task x4, x5, x6

struct thread_info {

         unsigned long           flags;          /* low level flags */

 #ifdef CONFIG_ARM64_SW_TTBR0_PAN

         u64                     ttbr0;          /* saved TTBR0_EL1 */

 #endif

         union {

                 u64             preempt_count;  /* 0 => preemptible, <0 => bug */

                 struct {

 #ifdef CONFIG_CPU_BIG_ENDIAN

                         u32     need_resched;

                         u32     count;

 #else    

                         u32     count;

                         u32     need_resched; 

 #endif     

                 } preempt;

         };

 #ifdef CONFIG_SHADOW_CALL_STACK

         void                    *scs_base;

         void                    *scs_sp;

 #endif   

         u32                     cpu;

 };