binman: Add support for CBFS entries
Add support for putting CBFSs (Coreboot Filesystems) in an image. This
allows binman to produce firmware images used by coreboot to boot.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index 3455b8c..14abfbf 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -18,6 +18,7 @@
import unittest
import binman
+import cbfs_util
import cmdline
import command
import control
@@ -133,6 +134,14 @@
TestFunctional._MakeInputFile('compress', COMPRESS_DATA)
+ # Travis-CI may have an old lz4
+ self.have_lz4 = True
+ try:
+ tools.Run('lz4', '--no-frame-crc', '-c',
+ os.path.join(self._indir, 'u-boot.bin'))
+ except:
+ self.have_lz4 = False
+
@classmethod
def tearDownClass(self):
"""Remove the temporary input directory and its contents"""
@@ -160,6 +169,10 @@
cls.preserve_outdirs = preserve_outdirs
cls.toolpath = toolpath
+ def _CheckLz4(self):
+ if not self.have_lz4:
+ self.skipTest('lz4 --no-frame-crc not available')
+
def setUp(self):
# Enable this to turn on debugging output
# tout.Init(tout.DEBUG)
@@ -1607,6 +1620,7 @@
def testCompress(self):
"""Test compression of blobs"""
+ self._CheckLz4()
data, _, _, out_dtb_fname = self._DoReadFileDtb('083_compress.dts',
use_real_dtb=True, update_dtb=True)
dtb = fdt.Fdt(out_dtb_fname)
@@ -1628,6 +1642,7 @@
def testFilesCompress(self):
"""Test bringing in multiple files and compressing them"""
+ self._CheckLz4()
data = self._DoReadFile('085_files_compress.dts')
image = control.images['image']
@@ -1846,6 +1861,101 @@
tools.GetBytes(0x26, 4) + U_BOOT_DATA +
tools.GetBytes(0x26, 8))
+ def testCbfsRaw(self):
+ """Test base handling of a Coreboot Filesystem (CBFS)
+
+ The exact contents of the CBFS is verified by similar tests in
+ cbfs_util_test.py. The tests here merely check that the files added to
+ the CBFS can be found in the final image.
+ """
+ data = self._DoReadFile('102_cbfs_raw.dts')
+ size = 0xb0
+
+ cbfs = cbfs_util.CbfsReader(data)
+ self.assertEqual(size, cbfs.rom_size)
+
+ self.assertIn('u-boot-dtb', cbfs.files)
+ cfile = cbfs.files['u-boot-dtb']
+ self.assertEqual(U_BOOT_DTB_DATA, cfile.data)
+
+ def testCbfsArch(self):
+ """Test on non-x86 architecture"""
+ data = self._DoReadFile('103_cbfs_raw_ppc.dts')
+ size = 0x100
+
+ cbfs = cbfs_util.CbfsReader(data)
+ self.assertEqual(size, cbfs.rom_size)
+
+ self.assertIn('u-boot-dtb', cbfs.files)
+ cfile = cbfs.files['u-boot-dtb']
+ self.assertEqual(U_BOOT_DTB_DATA, cfile.data)
+
+ def testCbfsStage(self):
+ """Tests handling of a Coreboot Filesystem (CBFS)"""
+ if not elf.ELF_TOOLS:
+ self.skipTest('Python elftools not available')
+ elf_fname = os.path.join(self._indir, 'cbfs-stage.elf')
+ elf.MakeElf(elf_fname, U_BOOT_DATA, U_BOOT_DTB_DATA)
+ size = 0xb0
+
+ data = self._DoReadFile('104_cbfs_stage.dts')
+ cbfs = cbfs_util.CbfsReader(data)
+ self.assertEqual(size, cbfs.rom_size)
+
+ self.assertIn('u-boot', cbfs.files)
+ cfile = cbfs.files['u-boot']
+ self.assertEqual(U_BOOT_DATA + U_BOOT_DTB_DATA, cfile.data)
+
+ def testCbfsRawCompress(self):
+ """Test handling of compressing raw files"""
+ self._CheckLz4()
+ data = self._DoReadFile('105_cbfs_raw_compress.dts')
+ size = 0x140
+
+ cbfs = cbfs_util.CbfsReader(data)
+ self.assertIn('u-boot', cbfs.files)
+ cfile = cbfs.files['u-boot']
+ self.assertEqual(COMPRESS_DATA, cfile.data)
+
+ def testCbfsBadArch(self):
+ """Test handling of a bad architecture"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('106_cbfs_bad_arch.dts')
+ self.assertIn("Invalid architecture 'bad-arch'", str(e.exception))
+
+ def testCbfsNoSize(self):
+ """Test handling of a missing size property"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('107_cbfs_no_size.dts')
+ self.assertIn('entry must have a size property', str(e.exception))
+
+ def testCbfsNoCOntents(self):
+ """Test handling of a CBFS entry which does not provide contentsy"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('108_cbfs_no_contents.dts')
+ self.assertIn('Could not complete processing of contents',
+ str(e.exception))
+
+ def testCbfsBadCompress(self):
+ """Test handling of a bad architecture"""
+ with self.assertRaises(ValueError) as e:
+ self._DoReadFile('109_cbfs_bad_compress.dts')
+ self.assertIn("Invalid compression in 'u-boot': 'invalid-algo'",
+ str(e.exception))
+
+ def testCbfsNamedEntries(self):
+ """Test handling of named entries"""
+ data = self._DoReadFile('110_cbfs_name.dts')
+
+ cbfs = cbfs_util.CbfsReader(data)
+ self.assertIn('FRED', cbfs.files)
+ cfile1 = cbfs.files['FRED']
+ self.assertEqual(U_BOOT_DATA, cfile1.data)
+
+ self.assertIn('hello', cbfs.files)
+ cfile2 = cbfs.files['hello']
+ self.assertEqual(U_BOOT_DTB_DATA, cfile2.data)
+
if __name__ == "__main__":
unittest.main()