1 files changed, 19 insertions, 0 deletions
diff --git a/gdbstub/user.c b/gdbstub/user.c
index 23b2e726f6..0c8cd028b1 100644
--- a/gdbstub/user.c
+++ b/gdbstub/user.c
@@ -54,6 +54,25 @@ int gdb_get_char(void)
     return ch;
 }
 
+bool gdb_got_immediate_ack(void)
+{
+    int i;
+
+    i = gdb_get_char();
+    if (i < 0) {
+        /* no response, continue anyway */
+        return true;
+    }
+
+    if (i == '+') {
+        /* received correctly, continue */
+        return true;
+    }
+
+    /* anything else, including '-' then try again */
+    return false;
+}
+
 void gdb_put_buffer(const uint8_t *buf, int len)
 {
     int ret;