+ def testFdtmap(self):
+ """Test an FDT map can be inserted in the image"""
+ data = self.data = self._DoReadFileRealDtb('115_fdtmap.dts')
+ fdtmap_data = data[len(U_BOOT_DATA):]
+ magic = fdtmap_data[:8]
+ self.assertEqual('_FDTMAP_', magic)
+ self.assertEqual(tools.GetBytes(0, 8), fdtmap_data[8:16])
+
+ fdt_data = fdtmap_data[16:]
+ dtb = fdt.Fdt.FromData(fdt_data)
+ dtb.Scan()
+ props = self._GetPropTree(dtb, ['offset', 'size', 'image-pos'],
+ prefix='/')
+ self.assertEqual({
+ 'image-pos': 0,
+ 'offset': 0,
+ 'u-boot:offset': 0,
+ 'u-boot:size': len(U_BOOT_DATA),
+ 'u-boot:image-pos': 0,
+ 'fdtmap:image-pos': 4,
+ 'fdtmap:offset': 4,
+ 'fdtmap:size': len(fdtmap_data),
+ 'size': len(data),
+ }, props)
+
+ def testFdtmapNoMatch(self):
+ """Check handling of an FDT map when the section cannot be found"""
+ self.data = self._DoReadFileRealDtb('115_fdtmap.dts')
+
+ # Mangle the section name, which should cause a mismatch between the
+ # correct FDT path and the one expected by the section
+ image = control.images['image']
+ image._node.path += '-suffix'
+ entries = image.GetEntries()
+ fdtmap = entries['fdtmap']
+ with self.assertRaises(ValueError) as e:
+ fdtmap._GetFdtmap()
+ self.assertIn("Cannot locate node for path '/binman-suffix'",
+ str(e.exception))
+
+ def testFdtmapHeader(self):
+ """Test an FDT map and image header can be inserted in the image"""
+ data = self.data = self._DoReadFileRealDtb('116_fdtmap_hdr.dts')
+ fdtmap_pos = len(U_BOOT_DATA)
+ fdtmap_data = data[fdtmap_pos:]
+ fdt_data = fdtmap_data[16:]
+ dtb = fdt.Fdt.FromData(fdt_data)
+ fdt_size = dtb.GetFdtObj().totalsize()
+ hdr_data = data[-8:]
+ self.assertEqual('BinM', hdr_data[:4])
+ offset = struct.unpack('<I', hdr_data[4:])[0] & 0xffffffff
+ self.assertEqual(fdtmap_pos - 0x400, offset - (1 << 32))
+
+ def testFdtmapHeaderStart(self):
+ """Test an image header can be inserted at the image start"""
+ data = self.data = self._DoReadFileRealDtb('117_fdtmap_hdr_start.dts')
+ fdtmap_pos = 0x100 + len(U_BOOT_DATA)
+ hdr_data = data[:8]
+ self.assertEqual('BinM', hdr_data[:4])
+ offset = struct.unpack('<I', hdr_data[4:])[0]
+ self.assertEqual(fdtmap_pos, offset)
+
+ def testFdtmapHeaderPos(self):
+ """Test an image header can be inserted at a chosen position"""
+ data = self.data = self._DoReadFileRealDtb('118_fdtmap_hdr_pos.dts')
+ fdtmap_pos = 0x100 + len(U_BOOT_DATA)
+ hdr_data = data[0x80:0x88]
+ self.assertEqual('BinM', hdr_data[:4])
+ offset = struct.unpack('<I', hdr_data[4:])[0]
+ self.assertEqual(fdtmap_pos, offset)
+
+ def testHeaderMissingFdtmap(self):
+ """Test an image header requires an fdtmap"""
+ with self.assertRaises(ValueError) as e:
+ self.data = self._DoReadFileRealDtb('119_fdtmap_hdr_missing.dts')
+ self.assertIn("'image_header' section must have an 'fdtmap' sibling",
+ str(e.exception))
+
+ def testHeaderNoLocation(self):
+ """Test an image header with a no specified location is detected"""
+ with self.assertRaises(ValueError) as e:
+ self.data = self._DoReadFileRealDtb('120_hdr_no_location.dts')
+ self.assertIn("Invalid location 'None', expected 'start' or 'end'",
+ str(e.exception))
+
+ def testEntryExpand(self):
+ """Test expanding an entry after it is packed"""
+ data = self._DoReadFile('121_entry_expand.dts')
+ self.assertEqual(b'aa', data[:2])
+ self.assertEqual(U_BOOT_DATA, data[2:2 + len(U_BOOT_DATA)])
+ self.assertEqual(b'aa', data[-2:])
+
+ def testEntryExpandBad(self):
+ """Test expanding an entry after it is packed, twice"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('122_entry_expand_twice.dts')
+ self.assertIn("Image '/binman': Entries expanded 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')
+ self.assertEqual(b'aa', data[:2])
+ self.assertEqual(U_BOOT_DATA, data[2:2 + len(U_BOOT_DATA)])
+ self.assertEqual(b'aa', data[-2:])
+
+ def testCompressDtb(self):
+ """Test that compress of device-tree files is supported"""
+ self._CheckLz4()
+ data = self.data = self._DoReadFileRealDtb('124_compress_dtb.dts')
+ self.assertEqual(U_BOOT_DATA, data[:len(U_BOOT_DATA)])
+ comp_data = data[len(U_BOOT_DATA):]
+ orig = self._decompress(comp_data)
+ dtb = fdt.Fdt.FromData(orig)
+ dtb.Scan()
+ props = self._GetPropTree(dtb, ['size', 'uncomp-size'])
+ expected = {
+ 'u-boot:size': len(U_BOOT_DATA),
+ 'u-boot-dtb:uncomp-size': len(orig),
+ 'u-boot-dtb:size': len(comp_data),
+ 'size': len(data),
+ }
+ self.assertEqual(expected, props)
+
+ def testCbfsUpdateFdt(self):
+ """Test that we can update the device tree with CBFS offset/size info"""
+ self._CheckLz4()
+ data, _, _, out_dtb_fname = self._DoReadFileDtb('125_cbfs_update.dts',
+ update_dtb=True)
+ dtb = fdt.Fdt(out_dtb_fname)
+ dtb.Scan()
+ props = self._GetPropTree(dtb, ['offset', 'size', 'image-pos',
+ 'uncomp-size'])
+ del props['cbfs/u-boot:size']
+ self.assertEqual({
+ 'offset': 0,
+ 'size': len(data),
+ 'image-pos': 0,
+ 'cbfs:offset': 0,
+ 'cbfs:size': len(data),
+ 'cbfs:image-pos': 0,
+ 'cbfs/u-boot:offset': 0x38,
+ 'cbfs/u-boot:uncomp-size': len(U_BOOT_DATA),
+ 'cbfs/u-boot:image-pos': 0x38,
+ 'cbfs/u-boot-dtb:offset': 0xb8,
+ 'cbfs/u-boot-dtb:size': len(U_BOOT_DATA),
+ 'cbfs/u-boot-dtb:image-pos': 0xb8,
+ }, props)
+