u-boot

Commit Graph

Author	SHA1	Message	Date
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>	10 years ago

Author

SHA1

Message

Date

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>

10 years ago

1 Commits (ad0ac54361128c60b5e7012a2b7bf38061bdc25e)