[PATCH v2 25/38] binman: Convert to using the futility bintool
Simon Glass
sjg at chromium.org
Mon Jan 10 04:14:00 CET 2022
Update the GBB and vblock entry types to use this bintool, instead of
running futility directly. This simplifies the code and provides more
consistency as well as supporting missing bintools.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
(no changes since v1)
tools/binman/etype/gbb.py | 37 +++++++++++++++++++++---------------
tools/binman/etype/vblock.py | 32 ++++++++++++++++++-------------
2 files changed, 41 insertions(+), 28 deletions(-)
diff --git a/tools/binman/etype/gbb.py b/tools/binman/etype/gbb.py
index 41554eba8f6..ca8af1be424 100644
--- a/tools/binman/etype/gbb.py
+++ b/tools/binman/etype/gbb.py
@@ -77,20 +77,27 @@ class Entry_gbb(Entry):
bmpfv_size = gbb_size - 0x2180
if bmpfv_size < 0:
self.Raise('GBB is too small (minimum 0x2180 bytes)')
- sizes = [0x100, 0x1000, bmpfv_size, 0x1000]
- sizes = ['%#x' % size for size in sizes]
keydir = tools.GetInputFilename(self.keydir)
- gbb_set_command = [
- 'gbb_utility', '-s',
- '--hwid=%s' % self.hardware_id,
- '--rootkey=%s/root_key.vbpubk' % keydir,
- '--recoverykey=%s/recovery_key.vbpubk' % keydir,
- '--flags=%d' % self.gbb_flags,
- '--bmpfv=%s' % tools.GetInputFilename(self.bmpblk),
- fname]
-
- tools.Run('futility', 'gbb_utility', '-c', ','.join(sizes), fname)
- tools.Run('futility', *gbb_set_command)
-
- self.SetContents(tools.ReadFile(fname))
+
+ stdout = self.futility.gbb_create(
+ fname, [0x100, 0x1000, bmpfv_size, 0x1000])
+ if stdout is not None:
+ stdout = self.futility.gbb_set(
+ fname,
+ hwid=self.hardware_id,
+ rootkey='%s/root_key.vbpubk' % keydir,
+ recoverykey='%s/recovery_key.vbpubk' % keydir,
+ flags=self.gbb_flags,
+ bmpfv=tools.GetInputFilename(self.bmpblk))
+
+ if stdout is not None:
+ self.SetContents(tools.ReadFile(fname))
+ else:
+ # Bintool is missing; just use the required amount of zero data
+ self.record_missing_bintool(self.futility)
+ self.SetContents(tools.GetBytes(0, gbb_size))
+
return True
+
+ def AddBintools(self, tools):
+ self.futility = self.AddBintool(tools, 'futility')
diff --git a/tools/binman/etype/vblock.py b/tools/binman/etype/vblock.py
index c0a6a28c943..8bbba273ab6 100644
--- a/tools/binman/etype/vblock.py
+++ b/tools/binman/etype/vblock.py
@@ -38,6 +38,7 @@ class Entry_vblock(Entry_collection):
"""
def __init__(self, section, etype, node):
super().__init__(section, etype, node)
+ self.futility = None
(self.keydir, self.keyblock, self.signprivate, self.version,
self.kernelkey, self.preamble_flags) = self.GetEntryArgsOrProps([
EntryArg('keydir', str),
@@ -68,19 +69,21 @@ class Entry_vblock(Entry_collection):
input_fname = tools.GetOutputFilename('input.%s' % uniq)
tools.WriteFile(input_fname, input_data)
prefix = self.keydir + '/'
- args = [
- 'vbutil_firmware',
- '--vblock', output_fname,
- '--keyblock', prefix + self.keyblock,
- '--signprivate', prefix + self.signprivate,
- '--version', '%d' % self.version,
- '--fv', input_fname,
- '--kernelkey', prefix + self.kernelkey,
- '--flags', '%d' % self.preamble_flags,
- ]
- #out.Notice("Sign '%s' into %s" % (', '.join(self.value), self.label))
- stdout = tools.Run('futility', *args)
- return tools.ReadFile(output_fname)
+ stdout = self.futility.sign_firmware(
+ vblock=output_fname,
+ keyblock=prefix + self.keyblock,
+ signprivate=prefix + self.signprivate,
+ version=f'{self.version,}',
+ firmware=input_fname,
+ kernelkey=prefix + self.kernelkey,
+ flags=f'{self.preamble_flags}')
+ if stdout is not None:
+ data = tools.ReadFile(output_fname)
+ else:
+ # Bintool is missing; just use 4KB of zero data
+ self.record_missing_bintool(self.futility)
+ data = tools.GetBytes(0, 4096)
+ return data
def ObtainContents(self):
data = self.GetVblock(False)
@@ -93,3 +96,6 @@ class Entry_vblock(Entry_collection):
# The blob may have changed due to WriteSymbols()
data = self.GetVblock(True)
return self.ProcessContentsUpdate(data)
+
+ def AddBintools(self, tools):
+ self.futility = self.AddBintool(tools, 'futility')
--
2.34.1.575.g55b058a8bb-goog
More information about the U-Boot
mailing list