Import of the watch repository from Pebble

tools/resources/waftools/generate_builtin.py

@@ -0,0 +1,64 @@
+# Copyright 2024 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from waflib import Node, Task, TaskGen
+
+from resources.types.resource_ball import ResourceBall
+from resources.types.resource_definition import StorageType
+
+import generate_c_byte_array
+
+
+class generate_builtin(Task.Task):
+    def run(self):
+        resource_ball = ResourceBall.load(self.inputs[0].abspath())
+        resource_objects = [reso for reso in resource_ball.resource_objects
+                            if reso.definition.storage == StorageType.builtin]
+
+        with open(self.outputs[0].abspath(), 'w') as f:
+            fw_bld_node = self.generator.bld.bldnode.find_node('src/fw')
+            f.write('#include "{}"\n'.format(self.resource_id_header.path_from(fw_bld_node)))
+            f.write('#include "resource/resource_storage.h"\n')
+            f.write('#include "resource/resource_storage_builtin.h"\n\n')
+
+            def var_name(reso):
+                return "{}_builtin_bytes".format(reso.definition.name)
+
+            # Write the blobs of data:
+            for reso in resource_objects:
+                # some resources require 8-byte aligned addresses
+                # to simplify the handling we align all resources
+                f.write('__attribute__ ((aligned (8)))\n')
+                generate_c_byte_array.write(f, reso.data, var_name(reso))
+
+            f.write("\n")
+
+            f.write("const uint32_t g_num_builtin_resources = {};\n".format(len(resource_objects)))
+            f.write("const BuiltInResourceData g_builtin_resources[] = {\n")
+
+            for reso in resource_objects:
+                f.write('  {{ RESOURCE_ID_{resource_id}, {var_name}, sizeof({var_name}) }},\n'
+                        .format(resource_id=reso.definition.name,
+                                var_name=var_name(reso)))
+
+            f.write("};\n")
+
+
+@TaskGen.feature('generate_builtin')
+@TaskGen.before_method('process_source', 'process_rule')
+def process_generate_builtin(self):
+    task = self.create_task('generate_builtin',
+                            self.resource_ball,
+                            self.builtin_target)
+    task.resource_id_header = self.resource_id_header