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binman: capsule: Add support for generating EFI empty capsules

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Add support in binman for generating EFI empty capsules. These
capsules are used in the FWU A/B update feature. Also add test cases
in binman for the corresponding code coverage.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Sughosh Ganu
2023-10-10 14:40:59 +05:30
committed by Simon Glass
parent f1c8fc5e67
commit 74aae507bc
8 changed files with 247 additions and 0 deletions
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57
tools/binman/ftest.py
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@@ -126,6 +126,9 @@ FW_MGMT_GUID = '6dcbd5ed-e82d-4c44-bda1-7194199ad92a'
CAPSULE_IMAGE_GUID = '09d7cf52-0720-4710-91d1-08469b7fe9c8'
# Windows cert GUID
WIN_CERT_TYPE_EFI_GUID = '4aafd29d-68df-49ee-8aa9-347d375665a7'
# Empty capsule GUIDs
EMPTY_CAPSULE_ACCEPT_GUID = '0c996046-bcc0-4d04-85ec-e1fcedf1c6f8'
EMPTY_CAPSULE_REVERT_GUID = 'acd58b4b-c0e8-475f-99b5-6b3f7e07aaf0'
class TestFunctional(unittest.TestCase):
"""Functional tests for binman
@@ -7293,6 +7296,27 @@ fdt fdtmap Extract the devicetree blob from the fdtmap
self.assertEqual(payload_data_len, int(hdr['Payload Image Size']))
def _CheckEmptyCapsule(self, data, accept_capsule=False):
if accept_capsule:
capsule_hdr_guid = EMPTY_CAPSULE_ACCEPT_GUID
else:
capsule_hdr_guid = EMPTY_CAPSULE_REVERT_GUID
hdr = self._GetCapsuleHeaders(data)
self.assertEqual(capsule_hdr_guid.upper(),
hdr['EFI_CAPSULE_HDR.CAPSULE_GUID'])
if accept_capsule:
capsule_size = "0000002C"
else:
capsule_size = "0000001C"
self.assertEqual(capsule_size,
hdr['EFI_CAPSULE_HDR.CAPSULE_IMAGE_SIZE'])
if accept_capsule:
self.assertEqual(CAPSULE_IMAGE_GUID.upper(), hdr['ACCEPT_IMAGE_GUID'])
def testCapsuleGen(self):
"""Test generation of EFI capsule"""
data = self._DoReadFile('311_capsule.dts')
@@ -7357,5 +7381,38 @@ fdt fdtmap Extract the devicetree blob from the fdtmap
self.assertIn("entry is missing properties: image-guid",
str(e.exception))
def testCapsuleGenAcceptCapsule(self):
"""Test generationg of accept EFI capsule"""
data = self._DoReadFile('319_capsule_accept.dts')
self._CheckEmptyCapsule(data, accept_capsule=True)
def testCapsuleGenRevertCapsule(self):
"""Test generationg of revert EFI capsule"""
data = self._DoReadFile('320_capsule_revert.dts')
self._CheckEmptyCapsule(data)
def testCapsuleGenAcceptGuidMissing(self):
"""Test that binman errors out on missing image GUID for accept capsule"""
with self.assertRaises(ValueError) as e:
self._DoReadFile('321_capsule_accept_missing_guid.dts')
self.assertIn("Image GUID needed for generating accept capsule",
str(e.exception))
def testCapsuleGenEmptyCapsuleTypeMissing(self):
"""Test that capsule-type is specified"""
with self.assertRaises(ValueError) as e:
self._DoReadFile('322_empty_capsule_type_missing.dts')
self.assertIn("entry is missing properties: capsule-type",
str(e.exception))
def testCapsuleGenAcceptOrRevertMissing(self):
"""Test that both accept and revert capsule are not specified"""
with self.assertRaises(ValueError) as e:
self._DoReadFile('323_capsule_accept_revert_missing.dts')
if __name__ == "__main__":
unittest.main()