Xenomai - Mini Howto

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Troubleshooting

Xenomai for verdex with Qemu

It is also possible to run the real-time kernel within Qemu. However, it might be necessary to slow down the clock of the emulated system (Probably, as your host computer is too slow).

The following steps can help:

Alter the file hw/pxa2xx_timer.c in the Qemu sources:

1. Change all occurences of qemu_get_clock(vm_clock) to PXA2XX_QEMU_GET_CLOCK()

2. Define the macro

#define PXA2XX_QEMU_GET_CLOCK()     (qemu_get_clock(vm_clock) >> 4) /* also try 2,3 or use a divider */