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| author | Stefan Hajnoczi <stefanha@gmail.com> | 2008-08-30 09:07:42 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@gmail.com> | 2008-08-30 09:07:42 +0100 |
| commit | ab17bbf00cb3f967765830d3f3e71215e9ae70b4 (patch) | |
| tree | 34efd684fbed151fac650c3b15d9ad69b3230ef0 /com32 | |
| parent | 77950e64a458e753900ff4ff6119bea15d1a4533 (diff) | |
| download | syslinux-ab17bbf00cb3f967765830d3f3e71215e9ae70b4.tar.gz | |
Fix GDB protocol flow control issues
Diffstat (limited to 'com32')
| -rw-r--r-- | com32/gdbstub/gdbstub.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/com32/gdbstub/gdbstub.c b/com32/gdbstub/gdbstub.c index 77c9dcb9..3e9ff5e8 100644 --- a/com32/gdbstub/gdbstub.c +++ b/com32/gdbstub/gdbstub.c @@ -504,13 +504,11 @@ static void gdbstub_state_cksum2 ( struct gdbstub *stub, char ch ) { static void gdbstub_state_wait_ack ( struct gdbstub *stub, char ch ) { if ( 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 */ - serial_write ( "-", 1 ); - stub->parse = gdbstub_state_new; - } + } else { + /* This retransmit is very aggressive but necessary to keep + * in sync with GDB. */ + gdbstub_tx_packet ( stub ); + } } void gdbstub_handler ( int signo, gdbreg_t *regs ) { |