delta/syslinux.git/mbr, branch pathbased

gptmbr: change synthetic partition type to 0xED

2010-06-14T16:58:01+00:00

The committee didn't like re-using 0xEE for this purpose and wants
0xED instead.

Signed-off-by: H. Peter Anvin

gptmbr: save four bytes

2010-06-12T00:21:35+00:00

Save four bytes by observing that none of our code relies on
saturate_stosl not actually corrupting %eax.

Signed-off-by: H. Peter Anvin

gptmbr: fix offset for MSW of partition end

2010-06-12T00:19:52+00:00

Fix the offset for the MSW of the partition endpoint.

Signed-off-by: H. Peter Anvin

gptmbr: implement the new T13-approved GPT protocol

2010-06-12T00:03:24+00:00

My GPT-based protocol was modified by the UEFI and T13 committees (the
former responsible for the GPT format, the latter for EDD and
therefore for the disk-related part of the BIOS specification.)  This
is thus now on its way to become an official protocol, so change the
implementation to match.

This still needs testing, and the Syslinux core needs to be adjusted
to leverage the extended information.

Signed-off-by: H. Peter Anvin

isohdpfx: actually generate the stack frame isolinux expects

2009-06-01T04:29:59+00:00

Actually generate the stack frame isolinux expects.  This is not the
optimal order, but it appears to be what both earlier and later
versions of isolinux expects...

Signed-off-by: H. Peter Anvin

isohdpfx: don't clear %ds before parsing partiting info

2009-05-26T16:19:49+00:00

The partition information is pointed to by ds:si; although ds
will *usually* be 0 it isn't guaranteed (in particular, it may
very well be 0x40 or 0x60); therefore, move the partition parsing
up before the reset of %ds and %es.  As a side benefit, we get
to use push again...

Also, fix the ordering of the two halves of the GPT LBA!

Signed-off-by: H. Peter Anvin

altmbr: cap at 439 bytes so the partition select byte follows

2009-05-26T02:16:24+00:00

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

isohybrid: revert to a stack format compatible with previous version

2009-05-26T00:48:58+00:00

Revert the isohybrid handover protocol so that it has a stack format
compatible with the previous versions; that way we can also revert the
magic number to a compatible one.

Signed-off-by: H. Peter Anvin

altmbr: fix accounting of logical partitions

2009-05-25T22:37:28+00:00

Unlike the main MBR, we need to keep careful count when we process
logical partitions... and we weren't.

Signed-off-by: H. Peter Anvin

isohybrid: add missing isohdppx.S file

2009-05-21T23:07:44+00:00

Add a file missing from previous checkin
e462c28ffaca0132c1761736bc93cb06a41dc7a6.

Signed-off-by: H. Peter Anvin