Whether Armv7-A has a Write Buffer

Hi, Does Armv7-A have a write buffer? If yes, when will the write buffer be drained and what's the purpose of write buffer?
Whether Armv7-A has a Write Buffer

Hi, Does Armv7-A have a write buffer? If yes, when will the write buffer be drained and what's the purpose of write buffer?
Armv7 Store Buffer

Hi, Store Buffer holds store operation before it is commited to Cache or Main Memory. So only if the proper store buffer entry is drained, can we get the right data by a load operation. Am I right...
Armv7 Store Buffer

Hi, Store Buffer holds store operation before it is commited to Cache or Main Memory. So only if the proper store buffer entry is drained, can we get the right data by a load operation. Am I right...
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...