Use it to check if the corrupted kernel is in 5-level paging.
Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
---
arch/x86_64.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/x86_64.c b/arch/x86_64.c
index cbe45c2..e88ee0b 100644
--- a/arch/x86_64.c
+++ b/arch/x86_64.c
@@ -33,6 +33,15 @@ get_xen_p2m_mfn(void)
return NOT_FOUND_LONG_VALUE;
}
+static int
+check_5level_paging(void)
+{
+ if (NUMBER(pgtable_l5_enabled) != 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
unsigned long
get_kaslr_offset_x86_64(unsigned long vaddr)
{
--
2.13.6
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