X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/6b995c8cb722d10aaacba52999f5c43e43daeb85..c7a60d29f54d6de10a8388d26af441c8bc48a803:/lunaix-os/arch/aarch64/includes/sys/failsafe.h

diff --git a/lunaix-os/arch/aarch64/includes/sys/failsafe.h b/lunaix-os/arch/aarch64/includes/sys/failsafe.h
new file mode 100644
index 0000000..8bc3570
--- /dev/null
+++ b/lunaix-os/arch/aarch64/includes/sys/failsafe.h
@@ -0,0 +1,29 @@
+#ifndef __LUNAIX_ARCH_FAILSAFE_H
+#define __LUNAIX_ARCH_FAILSAFE_H
+
+#define STACK_SANITY            0xbeefc0de
+
+#ifndef __ASM__
+
+#include <lunaix/types.h>
+
+static inline bool
+check_bootstack_sanity()
+{
+    extern unsigned int __kinit_stack_end[];
+
+    return ( __kinit_stack_end[0] 
+           | __kinit_stack_end[1]
+           | __kinit_stack_end[2]
+           | __kinit_stack_end[3]) == STACK_SANITY;
+}
+
+static inline void must_inline noret
+failsafe_diagnostic() {
+    // TODO
+    unreachable;
+}
+
+#endif
+
+#endif /* __LUNAIX_FAILSAFE_H */