mkefiboot: add comment about where the number 17408 comes from

2011-10-31 15:01:10 -04:00 · 2011-10-31 15:01:10 -04:00 · 417fdf93cc
commit 417fdf93cc
parent 7f149decea
1 changed files with 1 additions and 0 deletions
--- a/src/sbin/mkefiboot
+++ b/src/sbin/mkefiboot
@ -61,6 +61,7 @@ def macbless(imgfile):

 def mkefidisk(efiboot, outfile):
    '''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
    disksize = round_to_blocks(17408 + partsize, 512)
    with LoopDev(outfile, disksize) as loopdev: