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Teach the build system to reserve the last 16 Kbytes of /data for the crypto footer 

If making /data and it's an EMMC interface, reserve the last 16 Kbytes
of the partition for the crypto footer.

Change-Id: Ia2c0bb53a545f074e79fc9d6ac04faee75fb9be4
This commit is contained in:
Ken Sumrall 2011-01-19 17:08:54 -08:00
parent 23d3dedb87
commit a67616acfd
1 changed files with 8 additions and 4 deletions
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12
tools/releasetools/edify_generator.py
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@ -168,17 +168,21 @@ class EdifyGenerator(object):
"""Format the given partition, specified by its mount point (eg,
"/system")."""
reserve_size = 0
fstab = self.info.get("fstab", None)
if fstab:
p = fstab[partition]
self.script.append('format("%s", "%s", "%s");' %
(p.fs_type, common.PARTITION_TYPES[p.fs_type], p.device))
# Reserve the last 16 Kbytes of an EMMC /data for the crypto footer
if partition == "/data" and common.PARTITION_TYPES[p.fs_type] == "EMMC":
reserve_size = -16384
self.script.append('format("%s", "%s", "%s", "%s");' %
(p.fs_type, common.PARTITION_TYPES[p.fs_type], p.device, reserve_size)
else:
# older target-files without per-partition types
partition = self.info.get("partition_path", "") + partition
self.script.append('format("%s", "%s", "%s");' %
self.script.append('format("%s", "%s", "%s", "%s");' %
(self.info["fs_type"], self.info["partition_type"],
partition))
partition, reserve_size))
def DeleteFiles(self, file_list):
"""Delete all files in file_list."""