tree 9a21ee8258c606f021cc575208a0055ee09be2f6
parent ece5c37f0cae1277a147e1c17f9d1bfabc3d2e95
author Miao Yan <yanmiaobest@gmail.com> 1452159120 -0800
committer Bin Meng <bmeng.cn@gmail.com> 1452658815 +0800

x86: qemu: add fw_cfg support

The QEMU fw_cfg interface allows the guest to retrieve various data
information from QEMU. For example, APCI/SMBios tables, number of online
cpus, kernel data and command line, etc.

This patch adds support for QEMU fw_cfg interface.

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