ARM Cortex-A53 MPCore - Page 299

System Control
ARM DDI 0500D Copyright © 2013-2014 ARM. All rights reserved. 4-238
ID021414 Non-Confidential
To access the HSTR:
MRC p15, 4, <Rt>, c1, c1, 3 ; Read HSTR into Rt
MCR p15, 4, <Rt>, c1, c1, 3 ; Write Rt to HSTR
[9] T9 Trap coprocessor primary register CRn = 9. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 9 to Hyp mode.
The reset value is 0.
[8] T8 Trap coprocessor primary register CRn = 8. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 8 to Hyp mode.
The reset value is 0.
[7] T7 Trap coprocessor primary register CRn = 7. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 7to Hyp mode.
The reset value is 0.
[6] T6 Trap coprocessor primary register CRn = 6. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 6 to Hyp mode.
The reset value is 0.
[5] T5 Trap coprocessor primary register CRn = 5. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 5 to Hyp mode.
The reset value is 0.
[4] - Reserved, RES0.
[3] T3 Trap coprocessor primary register CRn = 3. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 3 to Hyp mode.
The reset value is 0.
[2] T2 Trap coprocessor primary register CRn = 2. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 2 to Hyp mode.
The reset value is 0.
[1] T1 Trap coprocessor primary register CRn = 1. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 1 to Hyp mode.
The reset value is 0.
[0] T0 Trap coprocessor primary register CRn = 0. The possible values are:
0 Has no effect on Non-secure accesses to CP15 registers.
1 Trap valid Non-secure accesses to coprocessor primary register CRn = 0 to Hyp mode.
The reset value is 0.
Table 4-215 HSTR bit assignments (continued)
Bits Name Function