[PATCH v4 4/4] arm64: update the introduction of xen boot commands in docs/grub.texi

[fu.wei@linaro.org]

From: Fu Wei <fu.wei@linaro.org>

delete: xen_linux, xen_initrd, xen_xsm
add: xen_module

This update bases on
    commit 0edd750e50698854068358ea53528100a9192902
    Author: Vladimir Serbinenko <phcoder@gmail.com>
    Date:   Fri Jan 22 10:18:47 2016 +0100

        xen_boot: Remove obsolete module type distinctions.

Also bases on the module loading mechanism of Xen code:
488c2a8 docs/arm64: clarify the documention for loading XSM support
67831c4 docs/arm64: update the documentation for loading XSM support
ca32012 xen/arm64: check XSM Magic from the second unknown module.

Signed-off-by: Fu Wei <fu.wei@linaro.org>
---
 docs/grub.texi | 33 ++++++++++-----------------------
 1 file changed, 10 insertions(+), 23 deletions(-)

diff --git a/docs/grub.texi b/docs/grub.texi
index 82f6fa4..df6018a 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -3861,9 +3861,7 @@ you forget a command, you can run the command @command{help}
 * videoinfo::                   List available video modes
 @comment * xen_*::              Xen boot commands
 * xen_hypervisor::              Load xen hypervisor binary
-* xen_linux::                   Load dom0 kernel for xen hypervisor
-* xen_initrd::                  Load dom0 initrd for dom0 kernel
-* xen_xsm::                     Load xen security module for xen hypervisor
+* xen_module::                  Load xen modules for xen hypervisor
 @end menu
 
 
@@ -5141,30 +5139,19 @@ verbatim as the @dfn{kernel command-line}. Any other binaries must be
 reloaded after using this command.
 @end deffn
 
-@node xen_linux
-@subsection xen_linux
+@node xen_module
+@subsection xen_module
 
-@deffn Command xen_linux file [arguments]
-Load a dom0 kernel image for xen hypervisor at the booting process of xen.
+@deffn Command xen_module [--nounzip] file [arguments]
+Load a module for xen hypervisor at the booting process of xen.
 The rest of the line is passed verbatim as the module command line.
+Modules should be loaded in the following order:
+The 1st module: dom0 kernel image
+The 2nd module: dom0 ramdisk (optional, if the ramdisk is present, it must
+always be the second module)
+If the XSM is present, it can be loaded at any time after the 1st module.
 @end deffn
 
-@node xen_initrd
-@subsection xen_initrd
-
-@deffn Command xen_initrd file
-Load a initrd image for dom0 kernel at the booting process of xen.
-@end deffn
-
-@node xen_xsm
-@subsection xen_xsm
-
-@deffn Command xen_xsm file
-Load a xen security module for xen hypervisor at the booting process of xen.
-See @uref{http://wiki.xen.org/wiki/XSM} for more detail.
-@end deffn
-
-
 @node Networking commands
 @section The list of networking commands
 
-- 
2.5.5