Integrate psxreadmap

src/Tools/psxreadmap/readmap/src/types/mod.rs

@@ -6,6 +6,12 @@ pub struct MemoryMap {
     pub sections: Vec<Section>
 }
 
+impl MemoryMap {
+    pub fn is_empty(&self) -> bool {
+        self.global.is_empty() && self.sections.is_empty()
+    }
+}
+
 #[derive(Default)]
 pub struct Section {
     pub name:    String,

src/Tools/psxreadmap/src/lib.rs

@@ -633,5 +633,13 @@ impl NamedMemoryArea for SectionInfo {
 }
 
 pub fn load_memory_map(use_wsl: bool, input: PathBuf) -> Result<MemoryMap, Error> {
-    readmap_helper::generate_memory_map(use_wsl, input)
+    let memory_map = readmap_helper::generate_memory_map(use_wsl, input)?;
+
+    if memory_map.is_empty() {
+        Err(Error::from_str("Failed reading memory map. Is the path correct?"))
+    }
+
+    else {
+        Ok(memory_map)
+    }
 }