TO RESET: arm64: enable interrupt on panic

Change-Id: I1ceb321de324f307fc82366b162c72f64184247b

lib/abort.c

@@ -22,12 +22,18 @@ void panic(const char *msg)
 
 	arch_print_stack();
 
+#ifndef ENABLE_FUGAKU_HACKS
 	/* do not assume anything after this is executed */
 	arch_cpu_stop();
 
 	while (1) {
 		cpu_halt();
 	}
+#else
+	while (1) {
+		cpu_halt_panic();
+	}
+#endif
 }
 
 extern void arch_show_interrupt_context(const void*);

lib/include/ihk/cpu.h

@@ -24,6 +24,9 @@ extern int num_processors;
 void cpu_enable_interrupt(void);
 void cpu_disable_interrupt(void);
 void cpu_halt(void);
+#ifdef ENABLE_FUGAKU_HACKS
+void cpu_halt_panic(void);
+#endif
 void cpu_safe_halt(void);
 void cpu_restore_interrupt(unsigned long);
 void cpu_pause(void);