Adjust URL mappings

Author: superm1

src/cpp/resources/backend_versions.json

@@ -22,17 +22,26 @@
       "gfx908",
       "gfx90a",
       "gfx942",
-      "gfx1030",
-      "gfx1031",
-      "gfx1032",
       "gfx1100",
       "gfx1101",
       "gfx1102",
       "gfx1151",
       "gfx1150",
       "gfx1200",
       "gfx1201"
-    ]
+    ],
+    "url_mapping": {
+      "gfx908": "gfx90X-dcgpu",
+      "gfx90a": "gfx90X-dcgpu",
+      "gfx942": "gfx94X-dcgpu",
+      "gfx1100": "gfx110X-all",
+      "gfx1101": "gfx110X-all",
+      "gfx1102": "gfx110X-all",
+      "gfx1151": "gfx1151",
+      "gfx1150": "gfx1150",
+      "gfx1200": "gfx120X-all",
+      "gfx1201": "gfx120X-all"
+    }
   },
   "ryzenai-server": "v1.7.0",
   "flm": {

src/cpp/server/backends/backend_utils.cpp

@@ -419,8 +419,18 @@ namespace lemon::backends {
         // Create install directory
         fs::create_directories(install_dir);
 
-        // Build URL
-        std::string filename = "therock-dist-linux-" + arch + "-" + version + ".tar.gz";
+        // Get the URL variant for this architecture from config
+        std::string config_path = utils::get_resource_path("resources/backend_versions.json");
+        json config = utils::JsonUtils::load_from_file(config_path);
+
+        std::string url_variant = arch;  // default to arch name
+        if (config.contains("therock") && config["therock"].contains("url_mapping") &&
+            config["therock"]["url_mapping"].contains(arch)) {
+            url_variant = config["therock"]["url_mapping"][arch].get<std::string>();
+        }
+
+        // Build URL with the correct variant
+        std::string filename = "therock-dist-linux-" + url_variant + "-" + version + ".tar.gz";
         std::string url = "https://repo.amd.com/rocm/tarball/" + filename;
 
         // Download to temp