W dniu 26.04.2024 o 14:29, Peter Maydell pisze:
The default frequency used by the 'max' CPU is about to change, so
make the sbsa-ref board force the CPU frequency to the value which
the firmware expects.
Newer versions of TF-A will read the frequency from the CPU's
CNTFRQ_EL0 register:
https:
On 26/4/24 14:29, Peter Maydell wrote:
Currently QEMU CPUs always run with a generic timer counter frequency
of 62.5MHz, but ARMv8.6 CPUs will run at 1GHz. For older versions of
the TF-A firmware that sbsa-ref runs, the frequency of the generic
timer is hardcoded into the firmware, and so if the
Currently QEMU CPUs always run with a generic timer counter frequency
of 62.5MHz, but ARMv8.6 CPUs will run at 1GHz. For older versions of
the TF-A firmware that sbsa-ref runs, the frequency of the generic
timer is hardcoded into the firmware, and so if the CPU actually has
a different frequency t
