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authorHelge Deller <deller@gmx.de>2022-05-28 11:26:29 +0200
committerHelge Deller <deller@gmx.de>2022-05-28 12:25:42 +0200
commit5079892df5f113c7f2b77f53bf7663f6c7bc6be9 (patch)
tree39dca4e048a19c82f4985bd77e8eb597fb43ede0 /python/qemu/machine/machine.py
parent4de43540644962687fcd2df2a2454c1e46c2f92a (diff)
downloadfocaccia-qemu-5079892df5f113c7f2b77f53bf7663f6c7bc6be9.tar.gz
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hppa: Fix serial port assignments and pass-through
This fixes the serial ports in the emulation to behave as on original
hardware.

On the real hardware, the LASI UART is serial port #0 and the DINO UART
is serial port #1. This is fixed in SeaBIOS-hppa firmware v6, which is
why at least this firmware version is required.

The serial port addresses in hppa/hppa_hardware.h have to be swapped,
and when creating the virtual serial ports the correct port addresses
are used.

This patch now for example allows to specify on the qemu command line:
     -serial mon:stdio -serial /dev/ttyS4
to use the emulated ttyS0 in the guest for console output, and pass
ttyS4 from the host to ttyS1 in the guest.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
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