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dev: IDE Disk: Handle bad IDE image size

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Handle bad IDE disk image size 0. When image size is 0, gem5 will cause an
exception with log "Floating point exception (core dumped)".

Committed by: Nilay Vaish <nilay@cs.wisc.edu>
This commit is contained in:
Dongxue Zhang 2015-09-15 08:14:07 -05:00
parent 8dfa45e03c
commit 58ec70444d
1 changed files with 2 additions and 0 deletions
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2
src/dev/ide_disk.cc
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@ -90,6 +90,8 @@ IdeDisk::IdeDisk(const Params *p)
} else {
if (lba_size >= 63)
sectors = 63;
else if (lba_size == 0)
panic("Bad IDE image size: 0\n");
else
sectors = lba_size;