Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / core / gdbserial.c

diff --git a/qemu/roms/ipxe/src/core/gdbserial.c b/qemu/roms/ipxe/src/core/gdbserial.c
new file mode 100644 (file)
index 0000000..6f78c88
--- /dev/null
+++ b/qemu/roms/ipxe/src/core/gdbserial.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <assert.h>
+#include <ipxe/serial.h>
+#include <ipxe/gdbstub.h>
+#include <ipxe/gdbserial.h>
+
+struct gdb_transport serial_gdb_transport __gdb_transport;
+
+static size_t gdbserial_recv ( char *buf, size_t len ) {
+       assert ( len > 0 );
+       buf [ 0 ] = serial_getc();
+       return 1;
+}
+
+static void gdbserial_send ( const char *buf, size_t len ) {
+       while ( len-- > 0 ) {
+               serial_putc ( *buf++ );
+       }
+}
+
+struct gdb_transport serial_gdb_transport __gdb_transport = {
+       .name = "serial",
+       .recv = gdbserial_recv,
+       .send = gdbserial_send,
+};
+
+struct gdb_transport *gdbserial_configure ( void ) {
+       return &serial_gdb_transport;
+}