syscall 0000 00000010 10110 ............... @i15
asrtle_d 0000 00000000 00010 ..... ..... 00000 @rr_jk
asrtgt_d 0000 00000000 00011 ..... ..... 00000 @rr_jk
+rdtimel_w 0000 00000000 00000 11000 ..... ..... @rr
+rdtimeh_w 0000 00000000 00000 11001 ..... ..... @rr
+rdtime_d 0000 00000000 00000 11010 ..... ..... @rr
cpucfg 0000 00000000 00000 11011 ..... ..... @rr
#