diff options
| author | Simon Glass <sjg@chromium.org> | 2015-08-04 12:33:55 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-08-05 08:44:07 -0600 |
| commit | 6f92ed8f1abfe94ee1c96c83c21f4092bb04ff63 (patch) | |
| tree | f487163b3e28006dbe9023ae8c6c3abfbd211461 /Makefile | |
| parent | 7dfe8bdeef7f8a7223fb39e04faaa5c7489feb3f (diff) | |
| download | blackbird-obmc-uboot-6f92ed8f1abfe94ee1c96c83c21f4092bb04ff63.tar.gz blackbird-obmc-uboot-6f92ed8f1abfe94ee1c96c83c21f4092bb04ff63.zip | |
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>
Diffstat (limited to 'Makefile')
0 files changed, 0 insertions, 0 deletions
