diff --git a/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp b/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp
index 31d5265f35..9eadd7f607 100644
--- a/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp
+++ b/libraries/AP_Filesystem/AP_Filesystem_Sys.cpp
@@ -52,6 +52,9 @@ static const SysFileList sysfs_file_list[] = {
 #endif
     {"crash_dump.bin"},
     {"storage.bin"},
+#if AP_FILESYSTEM_SYS_FLASH_ENABLED
+    {"flash.bin"},
+#endif
 };
 
 int8_t AP_Filesystem_Sys::file_in_sysfs(const char *fname) {
@@ -152,6 +155,13 @@ int AP_Filesystem_Sys::open(const char *fname, int flags, bool allow_absolute_pa
             r.str->set_buffer((char*)ptr, size, size);
         }
     }
+#if AP_FILESYSTEM_SYS_FLASH_ENABLED
+    if (strcmp(fname, "flash.bin") == 0) {
+        void *ptr = (void*)0x08000000;
+        const size_t size = BOARD_FLASH_SIZE*1024;
+        r.str->set_buffer((char*)ptr, size, size);
+    }
+#endif
     
     if (r.str->get_length() == 0) {
         errno = r.str->has_failed_allocation()?ENOMEM:ENOENT;
diff --git a/libraries/AP_Filesystem/AP_Filesystem_config.h b/libraries/AP_Filesystem/AP_Filesystem_config.h
index 75f3aa001c..63cf31f208 100644
--- a/libraries/AP_Filesystem/AP_Filesystem_config.h
+++ b/libraries/AP_Filesystem/AP_Filesystem_config.h
@@ -50,3 +50,6 @@
 #define AP_FILESYSTEM_FILE_READING_ENABLED (AP_FILESYSTEM_FILE_WRITING_ENABLED || AP_FILESYSTEM_ROMFS_ENABLED)
 #endif
 
+#ifndef AP_FILESYSTEM_SYS_FLASH_ENABLED
+#define AP_FILESYSTEM_SYS_FLASH_ENABLED CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
+#endif