Xtensa_ESP32: Add definition for portMEMORY_BARRIER (FreeRTOS#395)

This fixes crash observed in Amazon FreeRTOS when optimisations are enabled
Asif198788 · Sep 16, 2021 · 741185f · 741185f
1 parent 1b86b39
commit 741185f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/portable/ThirdParty/GCC/Xtensa_ESP32/include/portmacro.h b/portable/ThirdParty/GCC/Xtensa_ESP32/include/portmacro.h
@@ -554,6 +554,10 @@
         #define configASSERT( x )    if( !( x ) ) { porttracePrint( -1 ); printf( "\nAssertion failed in %s:%d\n", __FILE__, __LINE__ ); exit( -1 ); }
     #endif
 
+/* Barriers */
+    #define portMEMORY_BARRIER()    __asm volatile ( "" ::: "memory" )
+
+
 #endif // __ASSEMBLER__
 
 /* *INDENT-OFF* */