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2 Commits

Author SHA1 Message Date
Simon Glass 0bc74ab3e6 x86: Tidy up the 64-bit calling code 
The GDT works but technically the length is incorrect. Fix this and add a
comment.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
 2015-08-05 08:42:41 -06:00
Simon Glass 200182a748 x86: Add support for starting 64-bit kernel 
Add code to jump to a 64-bit Linux kernel. We need to set up a flat page
table structure, a new GDT and then go through a few hoops in the right
order.

Signed-off-by: Simon Glass <sjg@chromium.org>
 2014-10-28 20:43:47 -06:00