add double fallback to update powerfail test since

NVM_FLASH_WRITEONCE can powerfail after FLAGS_FINAL and TESTING partition states have been set

Author: jpbland1

.github/workflows/test-powerfail-simulator.yml

@@ -181,7 +181,7 @@ jobs:
 
       - name: Build wolfboot.elf
         run: |
-          make && make test-sim-internal-flash-with-delta-update
+          make clean && make test-sim-internal-flash-with-delta-update
 
       - name: Run sunny day update test (DELTA)
         run: |

tools/scripts/sim-update-powerfail-resume.sh

@@ -15,6 +15,10 @@ fi
 V=`./wolfboot.elf powerfail 3f000 get_version` 2>/dev/null
 if [ "x$V" != "x2" ]; then
     V=`./wolfboot.elf get_version 2>/dev/null`
+    # if we failed on the final boot state write we need to double fallback
+    if [ "x$V" == "x1" ]; then
+        V=`./wolfboot.elf get_version 2>/dev/null`
+    fi
 fi
 
 if [ "x$V" != "x2" ]; then