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binman: Replace FILENAME_ALIGN 16 with ATTRIBUTE_ALIGN 4

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cbfsutil changed to 4-byte alignment for filenames instead of 16.
Adjust the binman implementation to do the same.

This mirrors commit 5779ca718c in coreboot.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-10-14 14:40:28 -06:00 committed by Tom Rini
parent e9199a74e0
commit ab326010a9
3 changed files with 20 additions and 19 deletions
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10
tools/binman/cbfs_util.py
View File

@ -42,7 +42,7 @@ HEADER_VERSION2 = 0x31313132
FILE_HEADER_FORMAT = b'>8sIIII'
FILE_HEADER_LEN = 0x18
FILE_MAGIC = b'LARCHIVE'
FILENAME_ALIGN = 16 # Filename lengths are aligned to this
ATTRIBUTE_ALIGN = 4 # All attribute sizes must be divisible by this
# A stage header containing information about 'stage' files
# Yes this is correct: this header is in litte-endian format
@ -186,7 +186,7 @@ def _pack_string(instr):
String with required padding (at least one 0x00 byte) at the end
"""
val = tools.to_bytes(instr)
pad_len = align_int(len(val) + 1, FILENAME_ALIGN)
pad_len = align_int(len(val) + 1, ATTRIBUTE_ALIGN)
return val + tools.get_bytes(0, pad_len - len(val))
@ -300,7 +300,7 @@ class CbfsFile(object):
CbfsFile object containing the file information
"""
cfile = CbfsFile('', TYPE_EMPTY, b'', None)
cfile.size = space_to_use - FILE_HEADER_LEN - FILENAME_ALIGN
cfile.size = space_to_use - FILE_HEADER_LEN - ATTRIBUTE_ALIGN
cfile.erase_byte = erase_byte
return cfile
@ -859,8 +859,8 @@ class CbfsReader(object):
"""
val = b''
while True:
data = fd.read(FILENAME_ALIGN)
if len(data) < FILENAME_ALIGN:
data = fd.read(ATTRIBUTE_ALIGN)
if len(data) < ATTRIBUTE_ALIGN:
return None
pos = data.find(b'\0')
if pos == -1:

19
tools/binman/cbfs_util_test.py
View File

@ -96,7 +96,7 @@ class TestCbfs(unittest.TestCase):
self.assertEqual(arch, cbfs.arch)
return cbfs
def _check_uboot(self, cbfs, ftype=cbfs_util.TYPE_RAW, offset=0x28,
def _check_uboot(self, cbfs, ftype=cbfs_util.TYPE_RAW, offset=0x20,
data=U_BOOT_DATA, cbfs_offset=None):
"""Check that the U-Boot file is as expected
@ -122,7 +122,7 @@ class TestCbfs(unittest.TestCase):
self.assertEqual(len(data), cfile.memlen)
return cfile
def _check_dtb(self, cbfs, offset=0x28, data=U_BOOT_DTB_DATA,
def _check_dtb(self, cbfs, offset=0x24, data=U_BOOT_DTB_DATA,
cbfs_offset=None):
"""Check that the U-Boot dtb file is as expected
@ -437,8 +437,9 @@ class TestCbfs(unittest.TestCase):
pos = fd.tell()
# Create a new CBFS with only the first 4 bytes of the compression tag,
# then try to read the file
tag_pos = pos + cbfs_util.FILE_HEADER_LEN + cbfs_util.FILENAME_ALIGN
# then try to read the file. Note that the tag gets pushed out 4 bytes
tag_pos = (4 + pos + cbfs_util.FILE_HEADER_LEN +
cbfs_util.ATTRIBUTE_ALIGN)
newdata = data[:tag_pos + 4]
with test_util.capture_sys_output() as (stdout, _stderr):
with io.BytesIO(newdata) as fd:
@ -489,7 +490,7 @@ class TestCbfs(unittest.TestCase):
load = 0xfef20000
entry = load + 2
cfile = self._check_uboot(cbfs, cbfs_util.TYPE_STAGE, offset=0x28,
cfile = self._check_uboot(cbfs, cbfs_util.TYPE_STAGE, offset=0x20,
data=U_BOOT_DATA + U_BOOT_DTB_DATA)
self.assertEqual(entry, cfile.entry)
@ -520,7 +521,7 @@ class TestCbfs(unittest.TestCase):
self.assertIn('u-boot', cbfs.files)
cfile = cbfs.files['u-boot']
self.assertEqual(cfile.name, 'u-boot')
self.assertEqual(cfile.offset, 56)
self.assertEqual(cfile.offset, 0x30)
self.assertEqual(cfile.data, COMPRESS_DATA)
self.assertEqual(cfile.ftype, cbfs_util.TYPE_RAW)
self.assertEqual(cfile.compress, cbfs_util.COMPRESS_LZ4)
@ -529,7 +530,7 @@ class TestCbfs(unittest.TestCase):
self.assertIn('u-boot-dtb', cbfs.files)
cfile = cbfs.files['u-boot-dtb']
self.assertEqual(cfile.name, 'u-boot-dtb')
self.assertEqual(cfile.offset, 56)
self.assertEqual(cfile.offset, 0x34)
self.assertEqual(cfile.data, COMPRESS_DATA)
self.assertEqual(cfile.ftype, cbfs_util.TYPE_RAW)
self.assertEqual(cfile.compress, cbfs_util.COMPRESS_LZMA)
@ -598,8 +599,8 @@ class TestCbfs(unittest.TestCase):
data = cbw.get_data()
cbfs = cbfs_util.CbfsReader(data)
self.assertEqual(0x28, cbfs.files['u-boot'].cbfs_offset)
self.assertEqual(0x68, cbfs.files['u-boot-dtb'].cbfs_offset)
self.assertEqual(0x20, cbfs.files['u-boot'].cbfs_offset)
self.assertEqual(0x64, cbfs.files['u-boot-dtb'].cbfs_offset)
if __name__ == '__main__':

10
tools/binman/ftest.py
View File

@ -2667,12 +2667,12 @@ class TestFunctional(unittest.TestCase):
'cbfs:offset': 0,
'cbfs:size': len(data),
'cbfs:image-pos': 0,
'cbfs/u-boot:offset': 0x38,
'cbfs/u-boot:offset': 0x30,
'cbfs/u-boot:uncomp-size': len(U_BOOT_DATA),
'cbfs/u-boot:image-pos': 0x38,
'cbfs/u-boot-dtb:offset': 0xa8,
'cbfs/u-boot:image-pos': 0x30,
'cbfs/u-boot-dtb:offset': 0xa4,
'cbfs/u-boot-dtb:size': len(U_BOOT_DATA),
'cbfs/u-boot-dtb:image-pos': 0xa8,
'cbfs/u-boot-dtb:image-pos': 0xa4,
}, props)
def testCbfsBadType(self):
@ -2854,7 +2854,7 @@ class TestFunctional(unittest.TestCase):
' u-boot 0 4 u-boot 0',
' section 100 %x section 100' % section_size,
' cbfs 100 400 cbfs 0',
' u-boot 128 4 u-boot 28',
' u-boot 120 4 u-boot 20',
' u-boot-dtb 180 105 u-boot-dtb 80 3c9',
' u-boot-dtb 500 %x u-boot-dtb 400 3c9' % fdt_size,
' fdtmap %x 3bd fdtmap %x' %