[U-Boot] [PATCH 02/53] binman: Move image-processing code into a function
Simon Glass
sjg at chromium.org
Sat Jul 20 18:23:24 UTC 2019
The Binman() function is very long. Split out the image code to make it
more manageable.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
tools/binman/control.py | 103 ++++++++++++++++++++++------------------
1 file changed, 57 insertions(+), 46 deletions(-)
diff --git a/tools/binman/control.py b/tools/binman/control.py
index dc898be6179..a92056846d0 100644
--- a/tools/binman/control.py
+++ b/tools/binman/control.py
@@ -169,6 +169,62 @@ def ExtractEntries(image_fname, output_fname, outdir, entry_paths,
return einfos
+def ProcessImage(image, update_fdt, write_map):
+ """Perform all steps for this image, including checking and # writing it.
+
+ This means that errors found with a later image will be reported after
+ earlier images are already completed and written, but that does not seem
+ important.
+
+ Args:
+ image: Image to process
+ update_fdt: True to update the FDT wth entry offsets, etc.
+ write_map: True to write a map file
+ """
+ image.GetEntryContents()
+ image.GetEntryOffsets()
+
+ # We need to pack the entries to figure out where everything
+ # should be placed. This sets the offset/size of each entry.
+ # However, after packing we call ProcessEntryContents() which
+ # may result in an entry changing size. In that case we need to
+ # do another pass. Since the device tree often contains the
+ # final offset/size information we try to make space for this in
+ # AddMissingProperties() above. However, if the device is
+ # compressed we cannot know this compressed size in advance,
+ # since changing an offset from 0x100 to 0x104 (for example) can
+ # alter the compressed size of the device tree. So we need a
+ # third pass for this.
+ passes = 3
+ for pack_pass in range(passes):
+ try:
+ image.PackEntries()
+ image.CheckSize()
+ image.CheckEntries()
+ except Exception as e:
+ if write_map:
+ fname = image.WriteMap()
+ print("Wrote map file '%s' to show errors" % fname)
+ raise
+ image.SetImagePos()
+ if update_fdt:
+ image.SetCalculatedProperties()
+ for dtb_item in state.GetFdts():
+ dtb_item.Sync()
+ sizes_ok = image.ProcessEntryContents()
+ if sizes_ok:
+ break
+ image.ResetForPack()
+ if not sizes_ok:
+ image.Raise('Entries expanded after packing (tried %s passes)' %
+ passes)
+
+ image.WriteSymbols()
+ image.BuildImage()
+ if write_map:
+ image.WriteMap()
+
+
def Binman(args):
"""The main control code for binman
@@ -279,52 +335,7 @@ def Binman(args):
dtb_item.Flush()
for image in images.values():
- # Perform all steps for this image, including checking and
- # writing it. This means that errors found with a later
- # image will be reported after earlier images are already
- # completed and written, but that does not seem important.
- image.GetEntryContents()
- image.GetEntryOffsets()
-
- # We need to pack the entries to figure out where everything
- # should be placed. This sets the offset/size of each entry.
- # However, after packing we call ProcessEntryContents() which
- # may result in an entry changing size. In that case we need to
- # do another pass. Since the device tree often contains the
- # final offset/size information we try to make space for this in
- # AddMissingProperties() above. However, if the device is
- # compressed we cannot know this compressed size in advance,
- # since changing an offset from 0x100 to 0x104 (for example) can
- # alter the compressed size of the device tree. So we need a
- # third pass for this.
- passes = 3
- for pack_pass in range(passes):
- try:
- image.PackEntries()
- image.CheckSize()
- image.CheckEntries()
- except Exception as e:
- if args.map:
- fname = image.WriteMap()
- print("Wrote map file '%s' to show errors" % fname)
- raise
- image.SetImagePos()
- if args.update_fdt:
- image.SetCalculatedProperties()
- for dtb_item in state.GetFdts():
- dtb_item.Sync()
- sizes_ok = image.ProcessEntryContents()
- if sizes_ok:
- break
- image.ResetForPack()
- if not sizes_ok:
- image.Raise('Entries expanded after packing (tried %s passes)' %
- passes)
-
- image.WriteSymbols()
- image.BuildImage()
- if args.map:
- image.WriteMap()
+ ProcessImage(image, args.update_fdt, args.map)
# Write the updated FDTs to our output files
for dtb_item in state.GetFdts():
--
2.22.0.657.g960e92d24f-goog
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