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binman: Adjust fmap to ignore CBFS files

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The FMAP is not intended to show the files inside a CBFS. The FMAP can be
used to locate the CBFS itself, but then the CBFS must be read to find out
what is in it.

Update the FMAP to work this way and add some debugging while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2019-07-20 12:24:00 -06:00
parent 89d66907b3
commit 95a0f3c691
2 changed files with 9 additions and 3 deletions
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3
tools/binman/README.entries
View File

@ -314,7 +314,8 @@ see www.flashrom.org/Flashrom for more information.
When used, this entry will be populated with an FMAP which reflects the
entries in the current image. Note that any hierarchy is squashed, since
FMAP does not support this.
FMAP does not support this. Also, CBFS entries appear as a single entry -
the sub-entries are ignored.

9
tools/binman/etype/fmap.py
View File

@ -8,6 +8,8 @@
from entry import Entry
import fmap_util
import tools
from tools import ToHexSize
import tout
class Entry_fmap(Entry):
@ -26,7 +28,8 @@ class Entry_fmap(Entry):
When used, this entry will be populated with an FMAP which reflects the
entries in the current image. Note that any hierarchy is squashed, since
FMAP does not support this.
FMAP does not support this. Also, CBFS entries appear as a single entry -
the sub-entries are ignored.
"""
def __init__(self, section, etype, node):
Entry.__init__(self, section, etype, node)
@ -39,7 +42,9 @@ class Entry_fmap(Entry):
"""
def _AddEntries(areas, entry):
entries = entry.GetEntries()
if entries:
tout.Debug("fmap: Add entry '%s' type '%s' (%s subentries)" %
(entry.GetPath(), entry.etype, ToHexSize(entries)))
if entries and entry.etype != 'cbfs':
for subentry in entries.values():
_AddEntries(areas, subentry)
else: