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uart_ier_elsi
2007 Nov 28
0
[PATCH] [QEMU-DM] Modem control line & msl/mcr register support
...l handling, with the
exception of modem line status change interrupts. A real 16550 uart
apparently have a delay time of 250ns between when a modem status line
changes and the IRQ line goes high. In this patch, an "idle" port is polled
for line status changes only if the guest has enabled UART_IER_MSI is
enabled, and only polled every 10 ms.
There''s some small "artifacts" in this patch due to me finishing it after
I''d also added 16550 emulation ( that patch is coming Really Soon Now - i
still have something strange occurring at 115200 baud when backed by a
physical s...