binman: Rename ExpandToLimit to extend_to_limit

The word 'expand' is used for entries which generate subentries. It is
also used for entries that can have an '_expanded' version which is used
to break out its contents.

Rather than talking about expanding an entry's size, use the term
'extending'. It is slightly more precise and avoids the above conflicts.

This change renders the old 'expand-size' property invalid, so add an
error check for that.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>

tools/binman/binman.rst

@@ -480,8 +480,8 @@ image-pos:
     for each entry. This makes it easy to find out exactly where the entry
     ended up in the image, regardless of parent sections, etc.
 
-expand-size:
-    Expand the size of this entry to fit available space. This space is only
+extend-size:
+    Extend the size of this entry to fit available space. This space is only
     limited by the size of the image/section and the position of the next
     entry.
 

tools/binman/entry.py

@@ -106,7 +106,7 @@ class Entry(object):
         self.pad_after = 0
         self.offset_unset = False
         self.image_pos = None
-        self.expand_size = False
+        self.extend_size = False
         self.compress = 'none'
         self.missing = False
         self.faked = False
@@ -235,6 +235,8 @@ class Entry(object):
         """
         if 'pos' in self._node.props:
             self.Raise("Please use 'offset' instead of 'pos'")
+        if 'expand-size' in self._node.props:
+            self.Raise("Please use 'extend-size' instead of 'expand-size'")
         self.offset = fdt_util.GetInt(self._node, 'offset')
         self.size = fdt_util.GetInt(self._node, 'size')
         self.orig_offset = fdt_util.GetInt(self._node, 'orig-offset')
@@ -262,7 +264,7 @@ class Entry(object):
                        self.align_size)
         self.align_end = fdt_util.GetInt(self._node, 'align-end')
         self.offset_unset = fdt_util.GetBool(self._node, 'offset-unset')
-        self.expand_size = fdt_util.GetBool(self._node, 'expand-size')
+        self.extend_size = fdt_util.GetBool(self._node, 'extend-size')
         self.missing_msg = fdt_util.GetString(self._node, 'missing-msg')
 
         # This is only supported by blobs and sections at present
@@ -774,8 +776,8 @@ features to produce new behaviours.
             name = '%s.%s' % (node.name, name)
         return name
 
-    def ExpandToLimit(self, limit):
-        """Expand an entry so that it ends at the given offset limit"""
+    def extend_to_limit(self, limit):
+        """Extend an entry so that it ends at the given offset limit"""
         if self.offset + self.size < limit:
             self.size = limit - self.offset
             # Request the contents again, since changing the size requires that

tools/binman/etype/section.py

@@ -386,7 +386,7 @@ class Entry_section(Entry):
         self._PackEntries()
         if self._sort:
             self._SortEntries()
-        self._ExpandEntries()
+        self._extend_entries()
 
         data = self.BuildSectionData(True)
         self.SetContents(data)
@@ -404,17 +404,17 @@ class Entry_section(Entry):
             offset = entry.Pack(offset)
         return offset
 
-    def _ExpandEntries(self):
-        """Expand any entries that are permitted to"""
+    def _extend_entries(self):
+        """Extend any entries that are permitted to"""
         exp_entry = None
         for entry in self._entries.values():
             if exp_entry:
-                exp_entry.ExpandToLimit(entry.offset)
+                exp_entry.extend_to_limit(entry.offset)
                 exp_entry = None
-            if entry.expand_size:
+            if entry.extend_size:
                 exp_entry = entry
         if exp_entry:
-            exp_entry.ExpandToLimit(self.size)
+            exp_entry.extend_to_limit(self.size)
 
     def _SortEntries(self):
         """Sort entries by offset"""

tools/binman/ftest.py

@@ -2028,9 +2028,9 @@ class TestFunctional(unittest.TestCase):
         self.assertIn("Node '/binman/files': Missing 'pattern' property",
                       str(e.exception))
 
-    def testExpandSize(self):
-        """Test an expanding entry"""
-        data, _, map_data, _ = self._DoReadFileDtb('088_expand_size.dts',
+    def testExtendSize(self):
+        """Test an extending entry"""
+        data, _, map_data, _ = self._DoReadFileDtb('088_extend_size.dts',
                                                    map=True)
         expect = (tools.get_bytes(ord('a'), 8) + U_BOOT_DATA +
                   MRC_DATA + tools.get_bytes(ord('b'), 1) + U_BOOT_DATA +
@@ -2050,11 +2050,11 @@ class TestFunctional(unittest.TestCase):
 00000020   00000020  00000008  fill2
 ''', map_data)
 
-    def testExpandSizeBad(self):
-        """Test an expanding entry which fails to provide contents"""
+    def testExtendSizeBad(self):
+        """Test an extending entry which fails to provide contents"""
         with test_util.capture_sys_output() as (stdout, stderr):
             with self.assertRaises(ValueError) as e:
-                self._DoReadFileDtb('089_expand_size_bad.dts', map=True)
+                self._DoReadFileDtb('089_extend_size_bad.dts', map=True)
         self.assertIn("Node '/binman/_testing': Cannot obtain contents when "
                       'expanding entry', str(e.exception))
 
@@ -2487,22 +2487,22 @@ class TestFunctional(unittest.TestCase):
                       str(e.exception))
 
     def testEntryExpand(self):
-        """Test expanding an entry after it is packed"""
-        data = self._DoReadFile('121_entry_expand.dts')
+        """Test extending an entry after it is packed"""
+        data = self._DoReadFile('121_entry_extend.dts')
         self.assertEqual(b'aaa', data[:3])
         self.assertEqual(U_BOOT_DATA, data[3:3 + len(U_BOOT_DATA)])
         self.assertEqual(b'aaa', data[-3:])
 
-    def testEntryExpandBad(self):
-        """Test expanding an entry after it is packed, twice"""
+    def testEntryExtendBad(self):
+        """Test extending an entry after it is packed, twice"""
         with self.assertRaises(ValueError) as e:
-            self._DoReadFile('122_entry_expand_twice.dts')
+            self._DoReadFile('122_entry_extend_twice.dts')
         self.assertIn("Image '/binman': Entries changed size after packing",
                       str(e.exception))
 
-    def testEntryExpandSection(self):
-        """Test expanding an entry within a section after it is packed"""
-        data = self._DoReadFile('123_entry_expand_section.dts')
+    def testEntryExtendSection(self):
+        """Test extending an entry within a section after it is packed"""
+        data = self._DoReadFile('123_entry_extend_section.dts')
         self.assertEqual(b'aaa', data[:3])
         self.assertEqual(U_BOOT_DATA, data[3:3 + len(U_BOOT_DATA)])
         self.assertEqual(b'aaa', data[-3:])
@@ -5305,6 +5305,14 @@ fdt         fdtmap                Extract the devicetree blob from the fdtmap
         self.assertIn("Node '/binman/fit': Unknown operation 'unknown'",
                       str(exc.exception))
 
+    def test_uses_expand_size(self):
+        """Test that the 'expand-size' property cannot be used anymore"""
+        with self.assertRaises(ValueError) as e:
+           data = self._DoReadFile('225_expand_size_bad.dts')
+        self.assertIn(
+            "Node '/binman/u-boot': Please use 'extend-size' instead of 'expand-size'",
+            str(e.exception))
+
 
 if __name__ == "__main__":
     unittest.main()

tools/binman/test/088_extend_size.dts

@@ -5,7 +5,7 @@
 	binman {
 		size = <40>;
 		fill {
-			expand-size;
+			extend-size;
 			fill-byte = [61];
 			size = <0>;
 		};
@@ -13,7 +13,7 @@
 			offset = <8>;
 		};
 		section {
-			expand-size;
+			extend-size;
 			pad-byte = <0x62>;
 			intel-mrc {
 			};
@@ -25,7 +25,7 @@
 		section2 {
 			type = "section";
 			fill {
-				expand-size;
+				extend-size;
 				fill-byte = [63];
 				size = <0>;
 			};
@@ -35,7 +35,7 @@
 		};
 		fill2 {
 			type = "fill";
-			expand-size;
+			extend-size;
 			fill-byte = [64];
 			size = <0>;
 		};

tools/binman/test/089_extend_size_bad.dts

@@ -4,7 +4,7 @@
 / {
 	binman {
 		_testing {
-			expand-size;
+			extend-size;
 			return-contents-once;
 		};
 		u-boot {

tools/binman/test/225_expand_size_bad.dts

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+
+/ {
+	binman {
+		u-boot {
+			expand-size;
+		};
+	};
+};