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* altmbr: cap at 439 bytes so the partition select byte followsH. Peter Anvin2009-05-251-1/+1
| | | | | | | | | | | | Cap altmbr at 439 bytes, so that the partition select byte is not part of the file. This means that: a) updating the altmbr doesn't clobber the configuration; b) it is easier to simply concatenate the select byte to the file. This also matches gptmbr behavior. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* isohybrid: support booting from partition; fix CBIOS bootingH. Peter Anvin2009-05-211-1/+1
| | | | | | | | Fix CBIOS in isohybrid mode. Also allow an isohybrid image to be booted from a partition. Unfortunately this breaks compatibility between differing versions of isohybrid and isolinux.bin. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* mbr: generate normal versions, force-80 versions, and ctrl-80 versionsH. Peter Anvin2009-04-041-0/+16
| | | | | | | Produce MBR variants with normal (DL) behavior, force to drive 80 behavior, and force to 80 on Ctrl pressed behavior. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* altmbr: an alternative MBR which ignores the active flagH. Peter Anvin2009-03-301-6/+14
| | | | | | | | | | | Impact: new feature Create an alternative MBR which takes a partition number in byte 439 instead of looking at the active flag. This is useful when dual-booting legacy operating systems which assume that their particular partition must be the active partition. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* Update copyright yearH. Peter Anvin2008-01-101-1/+1
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* Stealth whitespace cleanup (automated)H. Peter Anvin2007-03-141-2/+1
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* New MBR which supports logical partitions.H. Peter Anvin2007-02-041-0/+31
New MBR which supports logical partitions. Move the MBR to a subdirectory, and convert it to gas with the expectation of including it in util-linux.