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rtems_device_driver  | tty1_initialize (rtems_device_major_number, rtems_device_minor_number, void *) | 
|   | ttyS1 entry points 
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rtems_device_driver  | tty1_open (rtems_device_major_number, rtems_device_minor_number, void *) | 
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rtems_device_driver  | tty1_control (rtems_device_major_number, rtems_device_minor_number, void *) | 
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rtems_device_driver  | tty_close (rtems_device_major_number, rtems_device_minor_number, void *) | 
|   | tty1 & tty2 shared entry points 
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rtems_device_driver  | tty_read (rtems_device_major_number, rtems_device_minor_number, void *) | 
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rtems_device_driver  | tty_write (rtems_device_major_number, rtems_device_minor_number, void *) | 
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rtems_device_driver  | tty2_initialize (rtems_device_major_number, rtems_device_minor_number, void *) | 
|   | tty2 entry points 
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rtems_device_driver  | tty2_open (rtems_device_major_number, rtems_device_minor_number, void *) | 
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rtems_device_driver  | tty2_control (rtems_device_major_number, rtems_device_minor_number, void *) | 
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