Simon Glass 6f92ed8f1a x86: Add a way to call 32-bit code from 64-bit mode ...

The procedure to drop from 64-bit mode to 32-bit is a bit messy. Add a
function to take care of it. It requires identity-mapped pages and that
the calling code is running below 4GB.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

2015-08-05 08:44:07 -06:00

5.1 KiB

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