1 Trap valid Non-secure accesses to coprocessor primary register CRn = 7 to Hyp mode.
The reset value is 0.
T6, [6]
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.
T5, [5]
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.
T3, [3]
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.
T2, [2]
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.
T1, [1]
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.
T0, [0]
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.
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
Register access is encoded as follows:
B1 AArch32 system registers
B1.69 Hyp System Trap Register
100236_0100_00_en Copyright © 2015–2017, 2019 Arm Limited or its affiliates. All rights
reserved.
B1-261
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