diff options
Diffstat (limited to 'gdb/ser-unix.c')
| -rw-r--r-- | gdb/ser-unix.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gdb/ser-unix.c b/gdb/ser-unix.c index c45bfc6..3a24ac1 100644 --- a/gdb/ser-unix.c +++ b/gdb/ser-unix.c @@ -33,6 +33,7 @@ #include "gdb_select.h" #include "gdb_string.h" +#include "gdbcmd.h" #ifdef HAVE_TERMIOS @@ -40,6 +41,18 @@ struct hardwire_ttystate { struct termios termios; }; + +#ifdef CRTSCTS +/* Boolean to explicitly enable or disable h/w flow control. */ +static int serial_hwflow; +static void +show_serial_hwflow (struct ui_file *file, int from_tty, + struct cmd_list_element *c, const char *value) +{ + fprintf_filtered (file, _("Hardware flow control is %s.\n"), value); +} +#endif + #endif /* termios */ #ifdef HAVE_TERMIO @@ -387,6 +400,19 @@ hardwire_raw (struct serial *scb) state.termios.c_lflag = 0; state.termios.c_cflag &= ~(CSIZE | PARENB); state.termios.c_cflag |= CLOCAL | CS8; +#ifdef CRTSCTS + /* h/w flow control. */ + if (serial_hwflow) + state.termios.c_cflag |= CRTSCTS; + else + state.termios.c_cflag &= ~CRTSCTS; +#ifdef CRTS_IFLOW + if (serial_hwflow) + state.termios.c_cflag |= CRTS_IFLOW; + else + state.termios.c_cflag &= ~CRTS_IFLOW; +#endif +#endif state.termios.c_cc[VMIN] = 0; state.termios.c_cc[VTIME] = 0; #endif @@ -892,6 +918,20 @@ _initialize_ser_hardwire (void) ops->read_prim = ser_unix_read_prim; ops->write_prim = ser_unix_write_prim; serial_add_interface (ops); + +#ifdef HAVE_TERMIOS +#ifdef CRTSCTS + add_setshow_boolean_cmd ("remoteflow", no_class, + &serial_hwflow, _("\ +Set use of hardware flow control for remote serial I/O."), _("\ +Show use of hardware flow control for remote serial I/O."), _("\ +Enable or disable hardware flow control (RTS/CTS) on the serial port\n\ +when debugging using remote targets."), + NULL, + show_serial_hwflow, + &setlist, &showlist); +#endif +#endif } int |