Xtensa_ESP32: Fix build issues when external SPIRAM is enabled

Author: shubhamkulkarni97

portable/ThirdParty/GCC/Xtensa_ESP32/include/portmacro.h

@@ -89,6 +89,7 @@
 
     #include <esp_heap_caps.h>
     #include "soc/soc_memory_layout.h"
+    #include "soc/compare_set.h"
 
 /*#include "xtensa_context.h" */
 

portable/ThirdParty/GCC/Xtensa_ESP32/port.c

@@ -484,46 +484,6 @@ void vPortSetStackWatchpoint( void * pxStackStart )
     esp_set_watchpoint( 1, ( char * ) addr, 32, ESP_WATCHPOINT_STORE );
 }
 
-#if defined( CONFIG_SPIRAM_SUPPORT )
-
-/*
- * Compare & set (S32C1) does not work in external RAM. Instead, this routine uses a mux (in internal memory) to fake it.
- */
-    static portMUX_TYPE extram_mux = portMUX_INITIALIZER_UNLOCKED;
-
-    void uxPortCompareSetExtram( volatile uint32_t * addr,
-                                 uint32_t compare,
-                                 uint32_t * set )
-    {
-        uint32_t prev;
-
-        uint32_t oldlevel = portENTER_CRITICAL_NESTED();
-
-        #ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
-            vPortCPUAcquireMutexIntsDisabled( &extram_mux, portMUX_NO_TIMEOUT, __FUNCTION__, __LINE__ );
-        #else
-            vPortCPUAcquireMutexIntsDisabled( &extram_mux, portMUX_NO_TIMEOUT );
-        #endif
-        prev = *addr;
-
-        if( prev == compare )
-        {
-            *addr = *set;
-        }
-
-        *set = prev;
-        #ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
-            vPortCPUReleaseMutexIntsDisabled( &extram_mux, __FUNCTION__, __LINE__ );
-        #else
-            vPortCPUReleaseMutexIntsDisabled( &extram_mux );
-        #endif
-
-        portEXIT_CRITICAL_NESTED(oldlevel);
-    }
-#endif //defined(CONFIG_SPIRAM_SUPPORT)
-
-
-
 uint32_t xPortGetTickRateHz( void )
 {
     return ( uint32_t ) configTICK_RATE_HZ;