extern struct mem_chunk memory_chunk[];
+#ifdef CONFIG_S390_SWITCH_AMODE
+extern unsigned int switch_amode;
+#else
+#define switch_amode (0)
+#endif
+
+#ifdef CONFIG_S390_EXEC_PROTECT
+extern unsigned int s390_noexec;
+#else
+#define s390_noexec (0)
+#endif
+
/*
* Machine features detected in head.S
*/
extern unsigned int console_devno;
extern unsigned int console_irq;
+extern char vmhalt_cmd[];
+extern char vmpoff_cmd[];
+
#define CONSOLE_IS_UNDEFINED (console_mode == 0)
#define CONSOLE_IS_SCLP (console_mode == 1)
#define CONSOLE_IS_3215 (console_mode == 2)