commit b47c9b065f9028b7c2f995add83b12d7e23210aa
author Snehal <snehalreddy@google.com> Tue May 07 15:06:44 2024 +0000
committer Snehal Koukuntla <snehalreddy@google.com> Tue May 07 15:07:35 2024 +0000
tree ab0bb324a5e30b83fa8dd2d02c34aa2957f52400
parent e4518372989b8ff76aa12e887d071d3c8bde57d8

[Trusty][Coverage] Update counter to let Trusty know coverage dump has been read

Bug: 339194547

Change-Id: I075742200998e837e59ba9c24e4dca8b5d4d1199

trusty/utils/coverage-controller/controller.cpp

diff --git a/trusty/utils/coverage-controller/controller.cpp b/trusty/utils/coverage-controller/controller.cpp
index 381a452..f5d70b1 100644
--- a/trusty/utils/coverage-controller/controller.cpp
+++ b/trusty/utils/coverage-controller/controller.cpp
@@ -60,6 +60,7 @@
                 filename.insert(0, output_dir);
                 android::base::Result<void> res = record_list_[index]->SaveFile(filename);
                 counters[index]++;
+                WRITE_ONCE(control->read_buffer_cnt, counters[index]);
             }
             if(complete_cnt == counters[index] &&
                 !(flags & FLAG_RUN)) {

trusty/utils/coverage-controller/controller.h

diff --git a/trusty/utils/coverage-controller/controller.h b/trusty/utils/coverage-controller/controller.h
index f7789bf..841a1ae 100644
--- a/trusty/utils/coverage-controller/controller.h
+++ b/trusty/utils/coverage-controller/controller.h
@@ -35,9 +35,9 @@
 struct control {
     /* Written by controller, read by instrumented TA */
     uint64_t        cntrl_flags;
+    uint64_t        read_buffer_cnt;
 
     /* Written by instrumented TA, read by controller */
-    uint64_t        oper_flags;
     uint64_t        write_buffer_start_count;
     uint64_t        write_buffer_complete_count;
 };