kgdboc,kdb: Allow kdb to work on a non open console port
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>
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 8339b29..58be7e9 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -673,6 +673,14 @@
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_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();