[PATCH v4 2/4] xen/xsm: Add xsm_core_init function

[Julien Grall <julien.grall@linaro.org>]

This function contains non-specific architecture code (mostly the tail of
xsm_multiboot_init). It will be used later to avoid code duplication.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>

---
    Changes in v2:
        - Patch added
---
 xen/xsm/xsm_core.c |   26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/xen/xsm/xsm_core.c b/xen/xsm/xsm_core.c
index 11a9ca7..24b0ff4 100644
--- a/xen/xsm/xsm_core.c
+++ b/xen/xsm/xsm_core.c
@@ -43,6 +43,21 @@ static void __init do_xsm_initcalls(void)
     }
 }
 
+static int __init xsm_core_init(void)
+{
+    if ( verify(&dummy_xsm_ops) )
+    {
+        printk("%s could not verify "
+               "dummy_xsm_ops structure.\n", __FUNCTION__);
+        return -EIO;
+    }
+
+    xsm_ops = &dummy_xsm_ops;
+    do_xsm_initcalls();
+
+    return 0;
+}
+
 #ifdef CONFIG_MULTIBOOT
 int __init xsm_multiboot_init(unsigned long *module_map,
                               const multiboot_info_t *mbi,
@@ -63,16 +78,7 @@ int __init xsm_multiboot_init(unsigned long *module_map,
         }
     }
 
-    if ( verify(&dummy_xsm_ops) )
-    {
-        bootstrap_map(NULL);
-        printk("%s could not verify "
-               "dummy_xsm_ops structure.\n", __FUNCTION__);
-        return -EIO;
-    }
-
-    xsm_ops = &dummy_xsm_ops;
-    do_xsm_initcalls();
+    ret = xsm_core_init();
     bootstrap_map(NULL);
 
     return 0;
-- 
1.7.10.4