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kgdboc,kdb: Allow kdb to work on a non open console port

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If kdb is open on a serial port that is not actually a console make
sure to call the poll routines to emit and receive characters.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Martin Hicks <mort@sgi.com>
This commit is contained in:
Jason Wessel
2010-05-20 21:04:26 -05:00
parent 1cee5e35f1
commit efe2f29e32
3 changed files with 33 additions and 0 deletions
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16
kernel/debug/kdb/kdb_io.c
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@ -673,6 +673,14 @@ kdb_printit:
if (!dbg_kdb_mode && kgdb_connected) {
gdbstub_msg_write(kdb_buffer, retlen);
} else {
if (!dbg_io_ops->is_console) {
len = strlen(kdb_buffer);
cp = kdb_buffer;
while (len--) {
dbg_io_ops->write_char(*cp);
cp++;
}
}
while (c) {
c->write(c, kdb_buffer, retlen);
touch_nmi_watchdog();
@ -719,6 +727,14 @@ kdb_printit:
kdb_input_flush();
c = console_drivers;
if (!dbg_io_ops->is_console) {
len = strlen(moreprompt);
cp = moreprompt;
while (len--) {
dbg_io_ops->write_char(*cp);
cp++;
}
}
while (c) {
c->write(c, moreprompt, strlen(moreprompt));
touch_nmi_watchdog();