The following makes a
ttyd0 "/usr/libexec/getty std.9600" dialup on secure
/etc/ttys entry work for a FreeBSD guest. Without it the emulated
serial port lacks carrier and hardware flow control and needs
ttyd0 "/usr/libexec/getty 3wire.9600" dialup on secure
which is not always what users expect. :)
Index: qemu/hw/serial.c
@@ -356,6 +356,7 @@
s->irq = irq;
s->lsr = UART_LSR_TEMT | UART_LSR_THRE;
s->iir = UART_IIR_NO_INT;
+ s->msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS;
register_savevm("serial", base, 1, serial_save, serial_load, s);
@@ -440,6 +441,7 @@
s->irq = irq;
s->lsr = UART_LSR_TEMT | UART_LSR_THRE;
s->iir = UART_IIR_NO_INT;
+ s->msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS;
s->base = base;
s->it_shift = it_shift;
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