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xCAT Network Boot Agent
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24b52ae476
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Michael Brown 24b52ae476 [prefix] Add A20-enabling code in libflat 
iPXE currently insists on residing in an even megabyte.  This imposes
undesirably severe constraints upon our PMM allocation strategy, and
limits our options for mechanisms to access ROMs greater than 64kB in
size.

Add A20 handling code to libflat so that prefixes are able to access
memory even in odd megabytes.

The algorithms and tuning parameters in the new A20 handling code are
based upon a mixture of the existing iPXE A20 code and the A20 code
from the 2.6.32 Linux kernel.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2010-04-20 21:00:42 +01:00
contrib [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00
src [prefix] Add A20-enabling code in libflat 2010-04-20 21:00:42 +01:00
COPYING Initial revision 2005-05-17 16:44:57 +00:00
COPYRIGHTS [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00
README [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org