Work on posix.

cmake/posix/ld.script

+/****************************************************************************
+ * ld.script
+ *
+ * Copyright (C) 2015 Mark Charlebois. All rights reserved.
+ * Author: Mark Charlebois <charlebm@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+SECTIONS
+{
+	/*
+	 * Construction data for parameters.
+	 */
+	__param : ALIGN(8) {
+		__param_start = .;
+		KEEP(*(__param*))
+		__param_end = .;
+	}
+}

src/firmware/posix/CMakeLists.txt

@@ -5,6 +5,11 @@ set(module_list)
 px4_posix_add_modules(module_dir_list ${BOARD})
 message(STATUS "module list: ${module_dir_list}")
 
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+add_custom_command(OUTPUT apps.h
+	COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/Tools/posix_apps.py > apps.h)
+
 foreach(directory ${module_dir_list})
 	message(STATUS "directory: ${directory}")
 	px4_mangle_name(${directory} mangled_name)
@@ -15,7 +20,17 @@ px4_posix_generate_builtin_commands(
 	OUT builtin_commands.cpp
 	MODULE_LIST ${module_list})
 
-add_executable(mainapp builtin_commands.cpp)
+add_executable(mainapp
+	${CMAKE_SOURCE_DIR}/src/platforms/posix/main.cpp
+	apps.h
+	builtin_commands.cpp)
+
+set(main_link_flags
+	"-T${CMAKE_SOURCE_DIR}/cmake/posix/ld.script"
+	)
+px4_join(OUT main_link_flags LIST ${main_link_flags} GLUE " ")
+set_target_properties(mainapp PROPERTIES LINK_FLAGS ${main_link_flags})
+
 target_link_libraries(mainapp
 	-Wl,--start-group
 	${module_list}