fix(memory-utils): Add _instruction_reserved_start/end to esp_psram_check_ptr_addr

Adds missing range check that can be used when SPIRAM_XIP_FROM_PSRAM is enabled.

Author: johnboiles

components/esp_psram/system_layer/esp_psram.c

@@ -66,6 +66,7 @@ extern uint8_t _rodata_reserved_end;
 #endif /* CONFIG_SPIRAM_RODATA */
 
 #if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
+extern uint8_t _instruction_reserved_start;
 extern uint8_t _instruction_reserved_end;
 #endif /* CONFIG_SPIRAM_FETCH_INSTRUCTIONS */
 
@@ -483,6 +484,12 @@ bool IRAM_ATTR esp_psram_check_ptr_addr(const void *p)
     }
 #endif /* CONFIG_SPIRAM_FETCH_INSTRUCTIONS && SOC_MMU_DI_VADDR_SHARED */
 
+#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
+    if ((intptr_t)p >= (uint32_t)&_instruction_reserved_start && (intptr_t)p < (uint32_t)&_instruction_reserved_end) {
+        return true;
+    }
+#endif /* CONFIG_SPIRAM_FETCH_INSTRUCTIONS */
+
     return false;
 }