You copied the Doc URL to your clipboard.

4.3.33. CP15 c13 register summary

Table 4.32 shows the system control registers you can access when CRn is c13.

Table 4.32. c13 system control registers
Op1CRmOp2NameTypeResetDescription
0c00FCSEIDRRW0x00000000Deprecated registers
1CONTEXTIDRRW-Context ID Register
2TPIDRURWRW[a]-Software Thread ID registers
3TPIDRURORO[b]-
4TPIDRPRW.RW-

[a] RW in User mode

[b] RO in User mode