ARM Cortex A5 -Issue: Undefined Instruction when write/read value of CNTFRQ register in core ARMv7

Dear ARM expert, I'm new to ARM. I am trying to use generic timer, but seems CNTFRQ register can be accessed. I saw the description in the ARM (Architecture Reference Manual) for the ARMv7-A and ARMv7...
ARM Cortex A5 -Issue: Undefined Instruction when write/read value of CNTFRQ register in core ARMv7

Dear ARM expert, I'm new to ARM. I am trying to use generic timer, but seems CNTFRQ register can be accessed. I saw the description in the ARM (Architecture Reference Manual) for the ARMv7-A and ARMv7...
CNTFRQ register on Cortex-A8
CNTFRQ register on Cortex-A8
Morello GNU g++ Compiler bug? - Inline assembler in template function ignores register declarations

Hi Potential GCC bug? - please advise if this is a known issue, if not please inform how to raise an issue on the Gnu toolchain for Morello. Issue: When defining register variables in a template function...