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* ser-unix.c (show_serial_hwflow): New function.
(hardwire_raw): Add hardware flow control support.
(_initialize_ser_hardwire): Add "set/show remoteflow".
* Makefile.in (ser-unix.o): Depend on $(gdbcmd_h).
* NEWS: Document the new command.

gdb/doc/:
* gdb.texinfo (Remote Configuration): Document "set/show
remoteflow".
This commit is contained in:
Maciej W. Rozycki 2007-05-22 10:57:12 +00:00
parent 0e9517a90d
commit 23776285b7
6 changed files with 70 additions and 1 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2007-05-22 Chris Dearman <chris@mips.com>
Maciej W. Rozycki <macro@mips.com>
* ser-unix.c (show_serial_hwflow): New function.
(hardwire_raw): Add hardware flow control support.
(_initialize_ser_hardwire): Add "set/show remoteflow".
* Makefile.in (ser-unix.o): Depend on $(gdbcmd_h).
* NEWS: Document the new command.
2007-05-21 Ulrich Weigand <uweigand@de.ibm.com>
* config/i386/tm-linux.h (sys_quotactl): Do not define.

2
gdb/Makefile.in
View File

@ -2541,7 +2541,7 @@ ser-pipe.o: ser-pipe.c $(defs_h) $(serial_h) $(ser_base_h) $(ser_unix_h) \
ser-tcp.o: ser-tcp.c $(defs_h) $(serial_h) $(ser_base_h) $(ser_tcp_h) \
$(gdb_string_h)
ser-unix.o: ser-unix.c $(defs_h) $(serial_h) $(ser_base_h) $(ser_unix_h) \
$(terminal_h) $(gdb_select_h) $(gdb_string_h)
$(terminal_h) $(gdb_select_h) $(gdb_string_h) $(gdbcmd_h)
ser-mingw.o: ser-mingw.c $(defs_h) $(serial_h) $(ser_base_h) \
$(ser_tcp_h) $(gdb_assert_h) $(gdb_string_h)
sh64-tdep.o: sh64-tdep.c $(defs_h) $(frame_h) $(frame_base_h) \

5
gdb/NEWS
View File

@ -39,6 +39,11 @@ has been rewritten to use the standard GDB remote protocol.
* New commands
set remoteflow
show remoteflow
Enable or disable hardware flow control (RTS/CTS) on the serial port
when debugging using remote targets.
set mem inaccessible-by-default
show mem inaccessible-by-default
If the target supplies a memory map, for instance via the remote

5
gdb/doc/ChangeLog
View File

@ -1,3 +1,8 @@
2007-05-22 Maciej W. Rozycki <macro@mips.com>
* gdb.texinfo (Remote Configuration): Document "set/show
remoteflow".
2007-05-16 Daniel Jacobowitz <dan@codesourcery.com>
* gdb.texinfo (MIPS): Remove documentation for set mips saved-gpreg-size,

10
gdb/doc/gdb.texinfo
View File

@ -12792,6 +12792,16 @@ expect to see @samp{Ctrl-C} as the interrupt signal.
Show whether @value{GDBN} sends @code{BREAK} or @samp{Ctrl-C} to
interrupt the remote program.
@item set remoteflow on
@itemx set remoteflow off
@kindex set remoteflow
Enable or disable hardware flow control (@code{RTS}/@code{CTS})
on the serial port used to communicate to the remote target.
@item show remoteflow
@kindex show remoteflow
Show the current setting of hardware flow control.
@item set remotelogbase @var{base}
Set the base (a.k.a.@: radix) of logging serial protocol
communications to @var{base}. Supported values of @var{base} are:

40
gdb/ser-unix.c
View File

@ -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