cpu, sim: Add param to force CPUs to wait for GDB

By setting the BaseCPU parameter wait_for_dbg_connection, the GDB
server blocks during initialisation waiting for the remote debugger to
connect before starting the simulated CPU.

Change-Id: I4d62c68ce9adf69344bccbb44f66e30b33715a1c
[ Update info message to include remote GDB port, rename param. ]
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/3963
Reviewed-by: Gabe Black <gabeblack@google.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/cpu/base.cc b/src/cpu/base.cc
index 6f460d3af..78b25caf8 100644
--- a/src/cpu/base.cc
+++ b/src/cpu/base.cc
@@ -783,3 +783,9 @@ BaseCPU::traceFunctionsInternal(Addr pc)
         functionEntryTick = curTick();
     }
 }
+
+bool
+BaseCPU::waitForRemoteGDB() const
+{
+    return params()->wait_for_remote_gdb;
+}