feat(appgen): Add native app template

Closes: #235
Approved by: jmcadden

contrib/appgen/appgen.py

@@ -2,24 +2,25 @@
 from jinja2 import Environment, FileSystemLoader
 import os
 import sys
+import argparse
 
-print "Generate files new EbbRT application in the currect working \
-directory."
-var = raw_input("Enter a name for the application \
-(one word, no spaces):\n> ").lower()
+parser = argparse.ArgumentParser(description='Generate EbbRT application', 
+	prog=sys.argv[0], usage='%(prog)s [options]')
+parser.add_argument('-n', metavar="NAME", default="app", help='new application name')
+parser.add_argument('-t', default="default", choices=['default', 'native'], help='application template')
+args = parser.parse_args()
 
-# Capture our current directory
-THIS_DIR = os.path.dirname(os.path.abspath(__file__))
-CONTEXT = { "title" : var, "CAP_TITLE": var.upper() }
-target_path = os.path.join(os.getcwd(), var) 
-source_path = os.path.join(THIS_DIR, "template/helloworld") 
+template = args.t
+appname = args.n 
+
+# Capture the script (source) directory
+source_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "template/"+template) 
+target_path = os.getcwd()
+CONTEXT = { "title" : appname, "CAP_TITLE": appname.upper() }
 
 def apply_template(source, target):
     if not os.path.exists(target):
         os.makedirs(target)
-    else:
-        print "Error, target directory already exists: "+target
-        sys.exit()
     print "Building new application: "+target
     #print "Using template: "+source
     for path,sd,files in os.walk(source):
@@ -34,7 +35,7 @@ def apply_template(source, target):
             relative_path = os.path.join(relative_root, name)
             full_source_path = os.path.join(path, name)
             if name == "title.cc":
-                full_target_path = os.path.join(target_root, var+".cc")
+                full_target_path = os.path.join(target_root, appname+".cc")
             else:
                 full_target_path = os.path.join(target_root, name)
             print "writing "+full_target_path
@@ -49,4 +50,4 @@ def render_template(fs, filename, context):
 
 if __name__ == '__main__':
     apply_template(source_path, target_path)
-    print "Build finished."
+    print "New EbbRT application ("+appname+") generated in current working directory"

contrib/appgen/template/native/CMakeLists.txt

@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
+project("{{ title }}-ebbrt" C CXX)
+
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+set(CMAKE_CXX_FLAGS_DEBUG          "-O0 -g3")
+set(CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG")
+set(CMAKE_CXX_FLAGS_RELEASE        "-O4 -flto -DNDEBUG")
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g3")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++14 -Wall -Werror")
+set(BAREMETAL_SOURCES src/{{ title }}.cc)
+
+if( ${CMAKE_SYSTEM_NAME} STREQUAL "EbbRT")
+  add_executable({{ title }}.elf ${BAREMETAL_SOURCES})
+  add_custom_command(TARGET {{ title }}.elf POST_BUILD
+    COMMAND objcopy -O elf32-i386 {{ title }}.elf {{ title }}.elf32 )
+
+# Hosted  ===========================================================
+elseif( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" )
+  message(FATAL_ERROR "System name unsupported: ${CMAKE_SYSTEM_NAME}")
+endif()

contrib/appgen/template/native/Makefile

@@ -0,0 +1,68 @@
+MYDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
+
+CD ?= cd
+CMAKE ?= cmake
+CP ?= cp
+ECHO ?= echo
+MAKE ?= make
+MKDIR ?= mkdir
+
+EBBRTSYSROOT ?= $(abspath $(EBBRT_SYSROOT))
+CMAKE_TOOLCHAIN_FILE ?= $(EBBRTSYSROOT)/usr/misc/ebbrt.cmake
+BAREMETAL_PREFIX_PATH= $(EBBRTSYSROOT)/usr/
+
+BUILD_PATH ?= $(MYDIR)
+DEBUG_PATH ?= $(BUILD_PATH)/Debug
+RELEASE_PATH ?= $(BUILD_PATH)/Release
+BAREMETAL_DEBUG_DIR ?= $(DEBUG_PATH)
+BAREMETAL_RELEASE_DIR ?= $(RELEASE_PATH)
+
+all: Debug Release
+native: native-debug native-release
+Debug: native-debug 
+Release: native-release 
+
+# ENVIRONMENT VARIABLES
+check-ebbrt-sysroot:
+ifndef EBBRT_SYSROOT
+	$(error EBBRT_SYSROOT is undefined)
+endif
+
+$(BUILD_PATH):
+	$(MKDIR) $@
+
+$(DEBUG_PATH): | $(BUILD_PATH)
+	$(MKDIR) $@
+
+$(RELEASE_PATH): | $(BUILD_PATH)
+	$(MKDIR) $@
+
+ifneq ($(DEBUG_PATH), $(BAREMETAL_DEBUG_DIR))
+$(BAREMETAL_DEBUG_DIR): | $(DEBUG_PATH)
+	$(MKDIR) $@
+endif
+
+ifneq ($(RELEASE_PATH), $(BAREMETAL_RELEASE_DIR))
+$(BAREMETAL_RELEASE_DIR): | $(RELEASE_PATH)
+	$(MKDIR) $@
+endif
+
+native-debug: | check-ebbrt-sysroot $(BAREMETAL_DEBUG_DIR)
+	$(CD) $(BAREMETAL_DEBUG_DIR) && \
+		EBBRT_SYSROOT=$(EBBRTSYSROOT) $(CMAKE) -DCMAKE_BUILD_TYPE=Debug \
+		-DCMAKE_PREFIX_PATH=$(BAREMETAL_PREFIX_PATH) \
+		-DCMAKE_TOOLCHAIN_FILE=$(CMAKE_TOOLCHAIN_FILE) $(MYDIR) && $(MAKE)
+
+native-release: | check-ebbrt-sysroot $(BAREMETAL_RELEASE_DIR)
+	$(CD) $(BAREMETAL_RELEASE_DIR) && \
+		EBBRT_SYSROOT=$(EBBRTSYSROOT) $(CMAKE) -DCMAKE_BUILD_TYPE=Release  \
+		-DCMAKE_PREFIX_PATH=$(BAREMETAL_PREFIX_PATH) \
+		-DCMAKE_TOOLCHAIN_FILE=$(CMAKE_TOOLCHAIN_FILE) $(MYDIR) && \
+		$(MAKE)
+
+
+clean:
+	$(MAKE) clean -C $(BAREMETAL_DEBUG_DIR) && \
+	$(MAKE) clean -C $(BAREMETAL_RELEASE_DIR)
+
+.PHONY: Debug Release all clean native native-debug native-release 

contrib/appgen/template/native/src/title.cc

@@ -0,0 +1,8 @@
+//          Copyright Boston University SESA Group 2013 - 2016.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+
+#include <ebbrt/Debug.h> 
+
+void AppMain() { ebbrt::kprintf_force("{{ CAP_TITLE }} BACKEND UP.\n"); }