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fix use of host serial port 

Signed-off-by: David Ahern <daahern@cisco.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6556 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-02-08 14:46:17 +00:00
parent 77f0435ece
commit b4abdfa4fb
1 changed files with 19 additions and 8 deletions
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27
qemu-char.c
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@ -1047,17 +1047,17 @@ static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
int *targ = (int *)arg;
ioctl(s->fd_in, TIOCMGET, &sarg);
*targ = 0;
if (sarg | TIOCM_CTS)
if (sarg & TIOCM_CTS)
*targ |= CHR_TIOCM_CTS;
if (sarg | TIOCM_CAR)
if (sarg & TIOCM_CAR)
*targ |= CHR_TIOCM_CAR;
if (sarg | TIOCM_DSR)
if (sarg & TIOCM_DSR)
*targ |= CHR_TIOCM_DSR;
if (sarg | TIOCM_RI)
if (sarg & TIOCM_RI)
*targ |= CHR_TIOCM_RI;
if (sarg | TIOCM_DTR)
if (sarg & TIOCM_DTR)
*targ |= CHR_TIOCM_DTR;
if (sarg | TIOCM_RTS)
if (sarg & TIOCM_RTS)
*targ |= CHR_TIOCM_RTS;
}
break;
@ -1065,9 +1065,20 @@ static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
{
int sarg = *(int *)arg;
int targ = 0;
if (sarg | CHR_TIOCM_DTR)
ioctl(s->fd_in, TIOCMGET, &targ);
targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
| CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
if (sarg & CHR_TIOCM_CTS)
targ |= TIOCM_CTS;
if (sarg & CHR_TIOCM_CAR)
targ |= TIOCM_CAR;
if (sarg & CHR_TIOCM_DSR)
targ |= TIOCM_DSR;
if (sarg & CHR_TIOCM_RI)
targ |= TIOCM_RI;
if (sarg & CHR_TIOCM_DTR)
targ |= TIOCM_DTR;
if (sarg | CHR_TIOCM_RTS)
if (sarg & CHR_TIOCM_RTS)
targ |= TIOCM_RTS;
ioctl(s->fd_in, TIOCMSET, &targ);
}