Re: [PATCH] mac_newworld: change timebase frequency from 100MHz to 25MHz for mac99 machine

2024-03-11 Thread Philippe Mathieu-Daudé
On 4/3/24 08:35, Mark Cave-Ayland wrote: MacOS X uses multiple techniques for calibrating timers depending upon the detected hardware. One of these calibration routines compares the change in the timebase against the KeyLargo timer and uses this to recalculate the clock frequency, timebase frequ

Re: [PATCH] mac_newworld: change timebase frequency from 100MHz to 25MHz for mac99 machine

2024-03-09 Thread Philippe Mathieu-Daudé
On 4/3/24 08:35, Mark Cave-Ayland wrote: MacOS X uses multiple techniques for calibrating timers depending upon the detected hardware. One of these calibration routines compares the change in the timebase against the KeyLargo timer and uses this to recalculate the clock frequency, timebase frequ

[PATCH] mac_newworld: change timebase frequency from 100MHz to 25MHz for mac99 machine

2024-03-03 Thread Mark Cave-Ayland
MacOS X uses multiple techniques for calibrating timers depending upon the detected hardware. One of these calibration routines compares the change in the timebase against the KeyLargo timer and uses this to recalculate the clock frequency, timebase frequency and bus frequency if the calibration e