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mkefiboot: add comment about where the number 17408 comes from

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Will Woods 2011-10-31 15:01:10 -04:00
parent 7f149decea
commit 417fdf93cc
1 changed files with 1 additions and 0 deletions
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src/sbin/mkefiboot
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@ -61,6 +61,7 @@ def macbless(imgfile):
def mkefidisk(efiboot, outfile): def mkefidisk(efiboot, outfile):
'''Make a bootable EFI disk image out of the given EFI boot image.''' '''Make a bootable EFI disk image out of the given EFI boot image.'''
# pjones sez: "17408 is the size of the GPT tables parted creates"
partsize = os.path.getsize(efiboot) + 17408 partsize = os.path.getsize(efiboot) + 17408
disksize = round_to_blocks(17408 + partsize, 512) disksize = round_to_blocks(17408 + partsize, 512)
with LoopDev(outfile, disksize) as loopdev: with LoopDev(outfile, disksize) as loopdev: