1 files changed, 14 insertions, 5 deletions

diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h
index 6e9b5b36921c..7fb343779498 100644
--- a/arch/arm64/include/asm/debug-monitors.h
+++ b/arch/arm64/include/asm/debug-monitors.h
@@ -18,6 +18,15 @@
 
 #ifdef __KERNEL__
 
+/* Low-level stepping controls. */
+#define DBG_MDSCR_SS            (1 << 0)
+#define DBG_SPSR_SS             (1 << 21)
+
+/* MDSCR_EL1 enabling bits */
+#define DBG_MDSCR_KDE           (1 << 13)
+#define DBG_MDSCR_MDE           (1 << 15)
+#define DBG_MDSCR_MASK          ~(DBG_MDSCR_KDE | DBG_MDSCR_MDE)
+
 #define DBG_ESR_EVT(x)          (((x) >> 27) & 0x7)
 
 /* AArch64 */
@@ -73,11 +82,6 @@
 
 #define CACHE_FLUSH_IS_SAFE             1
 
-enum debug_el {
-        DBG_ACTIVE_EL0 = 0,
-        DBG_ACTIVE_EL1,
-};
-
 /* AArch32 */
 #define DBG_ESR_EVT_BKPT        0x4
 #define DBG_ESR_EVT_VECC        0x5
@@ -115,6 +119,11 @@ void unregister_break_hook(struct break_hook *hook);
 
 u8 debug_monitors_arch(void);
 
+enum debug_el {
+        DBG_ACTIVE_EL0 = 0,
+        DBG_ACTIVE_EL1,
+};
+
 void enable_debug_monitors(enum debug_el el);
 void disable_debug_monitors(enum debug_el el);