aboutsummaryrefslogtreecommitdiffstats
path: root/meta/classes
diff options
context:
space:
mode:
Diffstat (limited to 'meta/classes')
-rw-r--r--meta/classes/uboot-config.bbclass39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta/classes/uboot-config.bbclass b/meta/classes/uboot-config.bbclass
new file mode 100644
index 0000000000..fc37620369
--- /dev/null
+++ b/meta/classes/uboot-config.bbclass
@@ -0,0 +1,39 @@
+# Allow easy override of U-Boot config for a machine
+#
+# The format to specify it, in the machine, is:
+#
+# UBOOT_CONFIG ??= <default>
+# UBOOT_CONFIG[foo] = "config,images"
+#
+# Copyright 2013 (C) O.S. Systems Software LTDA.
+
+addhandler uboot_config_eventhandler
+uboot_config_eventhandler[eventmask] = "bb.event.ConfigParsed"
+python uboot_config_eventhandler() {
+ ubootconfigflags = e.data.getVarFlags('UBOOT_CONFIG')
+ if not ubootconfigflags:
+ return
+
+ ubootconfig = (e.data.getVar('UBOOT_CONFIG', True) or "").split()
+ if len(ubootconfig) > 1:
+ raise bb.parse.SkipPackage('You can only have a single default for UBOOT_CONFIG.')
+ elif len(ubootconfig) == 0:
+ raise bb.parse.SkipPackage('You must set a default in UBOOT_CONFIG.')
+ ubootconfig = ubootconfig[0]
+
+ for f, v in ubootconfigflags.items():
+ if f == 'defaultval':
+ continue
+
+ items = v.split(',')
+ if items[0] and len(items) > 2:
+ raise bb.parse.SkipPackage('Only config,images can be specified!')
+
+ if ubootconfig == f:
+ bb.debug(1, "Setting UBOOT_MACHINE to %s." % items[0])
+ e.data.setVar('UBOOT_MACHINE', items[0])
+
+ if items[1]:
+ bb.debug(1, "Appending '%s' to IMAGE_FSTYPES." % items[1])
+ e.data.appendVar('IMAGE_FSTYPES', ' ' + items[1])
+}