From: Stefan Hajnoczi <stefanha@gmail.com>
Date: Mon, 16 Jun 2008 12:18:20 +0000 (+0100)
Subject: [GDB] Obey flow control when GDB connects.
X-Git-Tag: v0.9.4~105
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7eb555a8ae87202909e5e1c759149bc2375bb9f5;p=thirdparty%2Fipxe.git

[GDB] Obey flow control when GDB connects.
---

diff --git a/src/core/gdbstub.c b/src/core/gdbstub.c
index 8e3387755..bbed344f8 100644
--- a/src/core/gdbstub.c
+++ b/src/core/gdbstub.c
@@ -350,6 +350,10 @@ static void gdbstub_state_wait_ack ( struct gdbstub *stub, char ch ) {
 		stub->parse = gdbstub_state_new;
 	} else if ( ch == '-' ) {
 		gdbstub_tx_packet ( stub ); /* retransmit */
+	} else if ( ch == '$' ) {
+		/* GDB is reconnecting, drop our packet and listen to GDB */
+		stub->trans->send ( "-", 1 );
+		stub->parse = gdbstub_state_new;
 	}
 }