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Updated genealogy of isohybrid MBR production.

This commit is contained in:
Thomas Schmitt 2010-04-17 08:46:45 +02:00
parent 38a7b4a5b1
commit 99e988d652
1 changed files with 12 additions and 13 deletions
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25
libisofs/make_isohybrid_mbr.c
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@ -240,21 +240,19 @@ int make_isohybrid_mbr(int bin_lba, int *img_blocks, char *mbr, int flag)
/* The New MBR Producer */ /* The New MBR Producer */
/* ====================================================================== */ /* ====================================================================== */
/* The following prescription by H.Peter Anvin is actually a slightly /* The new MBR producer for isohybrid is a slightly generalized version of
generalized version of the algorithm in deprecated function the deprecated function make_isohybrid_mbr(). It complies to the urge
make_isohybrid_mbr(). To be applied to externally provided System Area of H.Peter Anvin not to hardcode MBR templates but rather to read a
data. file from the Syslinux tree, and to patch it as was done with the old
MBR producer.
So provisorily i consider the functions lba512chs_to_buf() and The old algorithm was clarified publicly by the following mail.
make_isolinux_mbr() as our further contribution the existing code base Changes towards the old algorithm:
under the existing license. This would yield: - 512-byte LBA of boot image is extended to 64 bit (we stay with 32)
copyright 2002-2010 H. Peter Anvin - check for a magic number is now gone
and 2008-2010 Thomas Schmitt
under "either the LGPL or the MIT/ISC/2-clause BSD licenses"
Before release i will ask hpa for his explicit ok. The new implementation tries to use similar terms as the mail in order
*/ to facilitate its future discussion with Syslinux developers.
/*
From hpa@zytor.com Thu Apr 1 08:32:52 2010 From hpa@zytor.com Thu Apr 1 08:32:52 2010
Date: Wed, 31 Mar 2010 14:53:51 -0700 Date: Wed, 31 Mar 2010 14:53:51 -0700
@ -265,6 +263,7 @@ Subject: Re: [syslinux] port syslinux isohybrid perl script to C
[...] [...]
[me:]
> Currently i lack of blob and prescriptions. > Currently i lack of blob and prescriptions.
The blobs are available in the Syslinux build tree under the names: The blobs are available in the Syslinux build tree under the names: