scons: Hook up the kconfig guiconfig program.

Change-Id: I0563a2fb2d79cea5974aeaf65a400be5ee51dc63

SConstruct

@@ -261,6 +261,7 @@ Targets:
 
 kconfig_actions = (
     'defconfig',
+    'guiconfig',
     'listnewconfig',
     'menuconfig',
     'setconfig',
@@ -294,6 +295,13 @@ Kconfig tools:
         scons defconfig build/foo/bar build_opts/MIPS
 
 
+        guiconfig:
+        Opens the guiconfig editor which will let you view and edit config
+        values, and view help text. guiconfig runs as a graphical application.
+
+        scons guiconfig build/foo/bar
+
+
         listnewconfig:
         Lists config options which are new in the Kconfig and which are not
         currently set in the existing config file.
@@ -839,6 +847,9 @@ for variant_path in variant_paths:
             defconfig_path = makePathAbsolute(kconfig_args[0])
             kconfig.defconfig(env, kconfig_file.abspath,
                     defconfig_path, config_file.abspath)
+        elif kconfig_action == 'guiconfig':
+            kconfig.guiconfig(env, kconfig_file.abspath, config_file.abspath,
+                    variant_path)
         elif kconfig_action == 'listnewconfig':
             kconfig.listnewconfig(env, kconfig_file.abspath,
                     config_file.abspath)

site_scons/gem5_scons/kconfig.py

@@ -30,6 +30,7 @@ import kconfiglib
 
 _kconfig_helpers = {
     "DEFCONFIG_PY": "defconfig.py",
+    "GUICONFIG_PY": "guiconfig.py",
     "LISTNEWCONFIG_PY": "listnewconfig.py",
     "MENUCONFIG_PY": "menuconfig.py",
     "SETCONFIG_PY": "setconfig.py",
@@ -94,6 +95,16 @@ def defconfig(env, base_kconfig, config_in, config_out):
         error("Failed to run defconfig")
 
 
+def guiconfig(env, base_kconfig, config_path, main_menu_text):
+    """
+    Interface of handling guiconfig.py of Kconfiglib
+    """
+    kconfig_env = _prep_env(env, base_kconfig, config_path)
+    kconfig_env["ENV"]["MAIN_MENU_TEXT"] = main_menu_text
+    if kconfig_env.Execute('"${GUICONFIG_PY}" "${BASE_KCONFIG}"') != 0:
+        error("Failed to run guiconfig")
+
+
 def listnewconfig(env, base_kconfig, config_path):
     """
     Interface of handling listnewconfig.py of Kconfiglib