x86, doc: Add a bootloader ID for OVMF

OVMF (an implementation of UEFI based on TianoCore used in virtual
environments) now has the ability to boot Linux natively; this is used
for "qemu -kernel" and similar things in a UEFI environment.

Accordingly, assign it a bootloader ID.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index e540fd67f767efdc855e3b2d01c8f8af1a14ef4d..b443f1de0e5af37987b4be6282d57e09e285d42e 100644 (file)
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -390,6 +390,7 @@ Protocol:   2.00+
        F  Special              (0xFF = undefined)
        10  Reserved
        11  Minimal Linux Bootloader <http://sebastian-plotz.blogspot.de>
+       12  OVMF UEFI virtualization stack
 
   Please contact <hpa@zytor.com> if you need a bootloader ID
   value assigned.