[syslinux] "isolinux.bin missing or corrupt" when booting USB flash drive in old PC
Martin Str|mberg
ams at ludd.ltu.se
Sat Mar 18 22:55:02 PDT 2017
David Christensen wrote:
> It looks like the call to "error" (line 276) is made if a summation of
> the bytes in the first four sectors of a partition don't add up to
> HYBRID_MAGIC (?).
HYBRID_MAGIC = 0x7078c0fb
isolinux_hybrid_signature = 0x7c00+64
...
cmpl $HYBRID_MAGIC,(isolinux_hybrid_signature)
jne bad_signature
...
bad_signature:
call error
.ascii "isolinux.bin missing or corrupt.\r\n"
No. It looks for the value HYBRID_MAGIC at position
isolinux_hybrid_signature in memory.
--
MartinS
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