1 /*
2  *  Powermac setup and early boot code plus other random bits.
3  *
4  *  PowerPC version
5  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
6  *
7  *  Adapted for Power Macintosh by Paul Mackerras
8  *    Copyright (C) 1996 Paul Mackerras (paulus@samba.org)
9  *
10  *  Derived from "arch/alpha/kernel/setup.c"
11  *    Copyright (C) 1995 Linus Torvalds
12  *
13  *  Maintained by Benjamin Herrenschmidt (benh@kernel.crashing.org)
14  *
15  *  This program is free software; you can redistribute it and/or
16  *  modify it under the terms of the GNU General Public License
17  *  as published by the Free Software Foundation; either version
18  *  2 of the License, or (at your option) any later version.
19  *
20  */
21 
22 /*
23  * bootup setup stuff..
24  */
25 
26 #include <linux/init.h>
27 #include <linux/errno.h>
28 #include <linux/sched.h>
29 #include <linux/kernel.h>
30 #include <linux/mm.h>
31 #include <linux/stddef.h>
32 #include <linux/unistd.h>
33 #include <linux/ptrace.h>
34 #include <linux/slab.h>
35 #include <linux/user.h>
36 #include <linux/a.out.h>
37 #include <linux/tty.h>
38 #include <linux/string.h>
39 #include <linux/delay.h>
40 #include <linux/ioport.h>
41 #include <linux/major.h>
42 #include <linux/initrd.h>
43 #include <linux/vt_kern.h>
44 #include <linux/console.h>
45 #include <linux/pci.h>
46 #include <linux/adb.h>
47 #include <linux/cuda.h>
48 #include <linux/pmu.h>
49 #include <linux/irq.h>
50 #include <linux/seq_file.h>
51 #include <linux/root_dev.h>
52 #include <linux/bitops.h>
53 #include <linux/suspend.h>
54 #include <linux/of_device.h>
55 #include <linux/of_platform.h>
56 
57 #include <asm/reg.h>
58 #include <asm/sections.h>
59 #include <asm/prom.h>
60 #include <asm/system.h>
61 #include <asm/pgtable.h>
62 #include <asm/io.h>
63 #include <asm/kexec.h>
64 #include <asm/pci-bridge.h>
65 #include <asm/ohare.h>
66 #include <asm/mediabay.h>
67 #include <asm/machdep.h>
68 #include <asm/dma.h>
69 #include <asm/cputable.h>
70 #include <asm/btext.h>
71 #include <asm/pmac_feature.h>
72 #include <asm/time.h>
73 #include <asm/mmu_context.h>
74 #include <asm/iommu.h>
75 #include <asm/smu.h>
76 #include <asm/pmc.h>
77 #include <asm/lmb.h>
78 #include <asm/udbg.h>
79 
80 #include "pmac.h"
81 
82 #undef SHOW_GATWICK_IRQS
83 
84 int ppc_override_l2cr = 0;
85 int ppc_override_l2cr_value;
86 int has_l2cache = 0;
87 
88 int pmac_newworld;
89 
90 static int current_root_goodness = -1;
91 
92 extern struct machdep_calls pmac_md;
93 
94 #define DEFAULT_ROOT_DEVICE Root_SDA1	/* sda1 - slightly silly choice */
95 
96 #ifdef CONFIG_PPC64
97 int sccdbg;
98 #endif
99 
100 extern void zs_kgdb_hook(int tty_num);
101 
102 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
103 EXPORT_SYMBOL(sys_ctrler);
104 
105 #ifdef CONFIG_PMAC_SMU
106 unsigned long smu_cmdbuf_abs;
107 EXPORT_SYMBOL(smu_cmdbuf_abs);
108 #endif
109 
110 #ifdef CONFIG_SMP
111 extern struct smp_ops_t psurge_smp_ops;
112 extern struct smp_ops_t core99_smp_ops;
113 #endif /* CONFIG_SMP */
114 
115 static void pmac_show_cpuinfo(struct seq_file *m)
116 {
117 	struct device_node *np;
118 	const char *pp;
119 	int plen;
120 	int mbmodel;
121 	unsigned int mbflags;
122 	char* mbname;
123 
124 	mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
125 				    PMAC_MB_INFO_MODEL, 0);
126 	mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
127 				    PMAC_MB_INFO_FLAGS, 0);
128 	if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME,
129 			      (long) &mbname) != 0)
130 		mbname = "Unknown";
131 
132 	/* find motherboard type */
133 	seq_printf(m, "machine\t\t: ");
134 	np = of_find_node_by_path("/");
135 	if (np != NULL) {
136 		pp = of_get_property(np, "model", NULL);
137 		if (pp != NULL)
138 			seq_printf(m, "%s\n", pp);
139 		else
140 			seq_printf(m, "PowerMac\n");
141 		pp = of_get_property(np, "compatible", &plen);
142 		if (pp != NULL) {
143 			seq_printf(m, "motherboard\t:");
144 			while (plen > 0) {
145 				int l = strlen(pp) + 1;
146 				seq_printf(m, " %s", pp);
147 				plen -= l;
148 				pp += l;
149 			}
150 			seq_printf(m, "\n");
151 		}
152 		of_node_put(np);
153 	} else
154 		seq_printf(m, "PowerMac\n");
155 
156 	/* print parsed model */
157 	seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname);
158 	seq_printf(m, "pmac flags\t: %08x\n", mbflags);
159 
160 	/* find l2 cache info */
161 	np = of_find_node_by_name(NULL, "l2-cache");
162 	if (np == NULL)
163 		np = of_find_node_by_type(NULL, "cache");
164 	if (np != NULL) {
165 		const unsigned int *ic =
166 			of_get_property(np, "i-cache-size", NULL);
167 		const unsigned int *dc =
168 			of_get_property(np, "d-cache-size", NULL);
169 		seq_printf(m, "L2 cache\t:");
170 		has_l2cache = 1;
171 		if (of_get_property(np, "cache-unified", NULL) != 0 && dc) {
172 			seq_printf(m, " %dK unified", *dc / 1024);
173 		} else {
174 			if (ic)
175 				seq_printf(m, " %dK instruction", *ic / 1024);
176 			if (dc)
177 				seq_printf(m, "%s %dK data",
178 					   (ic? " +": ""), *dc / 1024);
179 		}
180 		pp = of_get_property(np, "ram-type", NULL);
181 		if (pp)
182 			seq_printf(m, " %s", pp);
183 		seq_printf(m, "\n");
184 		of_node_put(np);
185 	}
186 
187 	/* Indicate newworld/oldworld */
188 	seq_printf(m, "pmac-generation\t: %s\n",
189 		   pmac_newworld ? "NewWorld" : "OldWorld");
190 }
191 
192 #ifndef CONFIG_ADB_CUDA
193 int find_via_cuda(void)
194 {
195 	struct device_node *dn = of_find_node_by_name(NULL, "via-cuda");
196 
197 	if (!dn)
198 		return 0;
199 	of_node_put(dn);
200 	printk("WARNING ! Your machine is CUDA-based but your kernel\n");
201 	printk("          wasn't compiled with CONFIG_ADB_CUDA option !\n");
202 	return 0;
203 }
204 #endif
205 
206 #ifndef CONFIG_ADB_PMU
207 int find_via_pmu(void)
208 {
209 	struct device_node *dn = of_find_node_by_name(NULL, "via-pmu");
210 
211 	if (!dn)
212 		return 0;
213 	of_node_put(dn);
214 	printk("WARNING ! Your machine is PMU-based but your kernel\n");
215 	printk("          wasn't compiled with CONFIG_ADB_PMU option !\n");
216 	return 0;
217 }
218 #endif
219 
220 #ifndef CONFIG_PMAC_SMU
221 int smu_init(void)
222 {
223 	/* should check and warn if SMU is present */
224 	return 0;
225 }
226 #endif
227 
228 #ifdef CONFIG_PPC32
229 static volatile u32 *sysctrl_regs;
230 
231 static void __init ohare_init(void)
232 {
233 	struct device_node *dn;
234 
235 	/* this area has the CPU identification register
236 	   and some registers used by smp boards */
237 	sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
238 
239 	/*
240 	 * Turn on the L2 cache.
241 	 * We assume that we have a PSX memory controller iff
242 	 * we have an ohare I/O controller.
243 	 */
244 	dn = of_find_node_by_name(NULL, "ohare");
245 	if (dn) {
246 		of_node_put(dn);
247 		if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
248 			if (sysctrl_regs[4] & 0x10)
249 				sysctrl_regs[4] |= 0x04000020;
250 			else
251 				sysctrl_regs[4] |= 0x04000000;
252 			if(has_l2cache)
253 				printk(KERN_INFO "Level 2 cache enabled\n");
254 		}
255 	}
256 }
257 
258 static void __init l2cr_init(void)
259 {
260 	/* Checks "l2cr-value" property in the registry */
261 	if (cpu_has_feature(CPU_FTR_L2CR)) {
262 		struct device_node *np = of_find_node_by_name(NULL, "cpus");
263 		if (np == 0)
264 			np = of_find_node_by_type(NULL, "cpu");
265 		if (np != 0) {
266 			const unsigned int *l2cr =
267 				of_get_property(np, "l2cr-value", NULL);
268 			if (l2cr != 0) {
269 				ppc_override_l2cr = 1;
270 				ppc_override_l2cr_value = *l2cr;
271 				_set_L2CR(0);
272 				_set_L2CR(ppc_override_l2cr_value);
273 			}
274 			of_node_put(np);
275 		}
276 	}
277 
278 	if (ppc_override_l2cr)
279 		printk(KERN_INFO "L2CR overridden (0x%x), "
280 		       "backside cache is %s\n",
281 		       ppc_override_l2cr_value,
282 		       (ppc_override_l2cr_value & 0x80000000)
283 				? "enabled" : "disabled");
284 }
285 #endif
286 
287 static void __init pmac_setup_arch(void)
288 {
289 	struct device_node *cpu, *ic;
290 	const int *fp;
291 	unsigned long pvr;
292 
293 	pvr = PVR_VER(mfspr(SPRN_PVR));
294 
295 	/* Set loops_per_jiffy to a half-way reasonable value,
296 	   for use until calibrate_delay gets called. */
297 	loops_per_jiffy = 50000000 / HZ;
298 	cpu = of_find_node_by_type(NULL, "cpu");
299 	if (cpu != NULL) {
300 		fp = of_get_property(cpu, "clock-frequency", NULL);
301 		if (fp != NULL) {
302 			if (pvr >= 0x30 && pvr < 0x80)
303 				/* PPC970 etc. */
304 				loops_per_jiffy = *fp / (3 * HZ);
305 			else if (pvr == 4 || pvr >= 8)
306 				/* 604, G3, G4 etc. */
307 				loops_per_jiffy = *fp / HZ;
308 			else
309 				/* 601, 603, etc. */
310 				loops_per_jiffy = *fp / (2 * HZ);
311 		}
312 		of_node_put(cpu);
313 	}
314 
315 	/* See if newworld or oldworld */
316 	for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; )
317 		if (of_get_property(ic, "interrupt-controller", NULL))
318 			break;
319 	if (ic) {
320 		pmac_newworld = 1;
321 		of_node_put(ic);
322 	}
323 
324 	/* Lookup PCI hosts */
325 	pmac_pci_init();
326 
327 #ifdef CONFIG_PPC32
328 	ohare_init();
329 	l2cr_init();
330 #endif /* CONFIG_PPC32 */
331 
332 #ifdef CONFIG_KGDB
333 	zs_kgdb_hook(0);
334 #endif
335 
336 	find_via_cuda();
337 	find_via_pmu();
338 	smu_init();
339 
340 #if defined(CONFIG_NVRAM) || defined(CONFIG_PPC64)
341 	pmac_nvram_init();
342 #endif
343 
344 #ifdef CONFIG_PPC32
345 #ifdef CONFIG_BLK_DEV_INITRD
346 	if (initrd_start)
347 		ROOT_DEV = Root_RAM0;
348 	else
349 #endif
350 		ROOT_DEV = DEFAULT_ROOT_DEVICE;
351 #endif
352 
353 #ifdef CONFIG_SMP
354 	/* Check for Core99 */
355 	ic = of_find_node_by_name(NULL, "uni-n");
356 	if (!ic)
357 		ic = of_find_node_by_name(NULL, "u3");
358 	if (!ic)
359 		ic = of_find_node_by_name(NULL, "u4");
360 	if (ic) {
361 		of_node_put(ic);
362 		smp_ops = &core99_smp_ops;
363 	}
364 #ifdef CONFIG_PPC32
365 	else {
366 		/*
367 		 * We have to set bits in cpu_possible_map here since the
368 		 * secondary CPU(s) aren't in the device tree, and
369 		 * setup_per_cpu_areas only allocates per-cpu data for
370 		 * CPUs in the cpu_possible_map.
371 		 */
372 		int cpu;
373 
374 		for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
375 			cpu_set(cpu, cpu_possible_map);
376 		smp_ops = &psurge_smp_ops;
377 	}
378 #endif
379 #endif /* CONFIG_SMP */
380 
381 #ifdef CONFIG_ADB
382 	if (strstr(cmd_line, "adb_sync")) {
383 		extern int __adb_probe_sync;
384 		__adb_probe_sync = 1;
385 	}
386 #endif /* CONFIG_ADB */
387 }
388 
389 #ifdef CONFIG_SCSI
390 void note_scsi_host(struct device_node *node, void *host)
391 {
392 }
393 EXPORT_SYMBOL(note_scsi_host);
394 #endif
395 
396 static int initializing = 1;
397 
398 static int pmac_late_init(void)
399 {
400 	initializing = 0;
401 	/* this is udbg (which is __init) and we can later use it during
402 	 * cpu hotplug (in smp_core99_kick_cpu) */
403 	ppc_md.progress = NULL;
404 	return 0;
405 }
406 machine_late_initcall(powermac, pmac_late_init);
407 
408 /*
409  * This is __init_refok because we check for "initializing" before
410  * touching any of the __init sensitive things and "initializing"
411  * will be false after __init time. This can't be __init because it
412  * can be called whenever a disk is first accessed.
413  */
414 void __init_refok note_bootable_part(dev_t dev, int part, int goodness)
415 {
416 	char *p;
417 
418 	if (!initializing)
419 		return;
420 	if ((goodness <= current_root_goodness) &&
421 	    ROOT_DEV != DEFAULT_ROOT_DEVICE)
422 		return;
423 	p = strstr(boot_command_line, "root=");
424 	if (p != NULL && (p == boot_command_line || p[-1] == ' '))
425 		return;
426 
427 	ROOT_DEV = dev + part;
428 	current_root_goodness = goodness;
429 }
430 
431 #ifdef CONFIG_ADB_CUDA
432 static void cuda_restart(void)
433 {
434 	struct adb_request req;
435 
436 	cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM);
437 	for (;;)
438 		cuda_poll();
439 }
440 
441 static void cuda_shutdown(void)
442 {
443 	struct adb_request req;
444 
445 	cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN);
446 	for (;;)
447 		cuda_poll();
448 }
449 
450 #else
451 #define cuda_restart()
452 #define cuda_shutdown()
453 #endif
454 
455 #ifndef CONFIG_ADB_PMU
456 #define pmu_restart()
457 #define pmu_shutdown()
458 #endif
459 
460 #ifndef CONFIG_PMAC_SMU
461 #define smu_restart()
462 #define smu_shutdown()
463 #endif
464 
465 static void pmac_restart(char *cmd)
466 {
467 	switch (sys_ctrler) {
468 	case SYS_CTRLER_CUDA:
469 		cuda_restart();
470 		break;
471 	case SYS_CTRLER_PMU:
472 		pmu_restart();
473 		break;
474 	case SYS_CTRLER_SMU:
475 		smu_restart();
476 		break;
477 	default: ;
478 	}
479 }
480 
481 static void pmac_power_off(void)
482 {
483 	switch (sys_ctrler) {
484 	case SYS_CTRLER_CUDA:
485 		cuda_shutdown();
486 		break;
487 	case SYS_CTRLER_PMU:
488 		pmu_shutdown();
489 		break;
490 	case SYS_CTRLER_SMU:
491 		smu_shutdown();
492 		break;
493 	default: ;
494 	}
495 }
496 
497 static void
498 pmac_halt(void)
499 {
500 	pmac_power_off();
501 }
502 
503 /*
504  * Early initialization.
505  */
506 static void __init pmac_init_early(void)
507 {
508 	/* Enable early btext debug if requested */
509 	if (strstr(cmd_line, "btextdbg")) {
510 		udbg_adb_init_early();
511 		register_early_udbg_console();
512 	}
513 
514 	/* Probe motherboard chipset */
515 	pmac_feature_init();
516 
517 	/* Initialize debug stuff */
518 	udbg_scc_init(!!strstr(cmd_line, "sccdbg"));
519 	udbg_adb_init(!!strstr(cmd_line, "btextdbg"));
520 
521 #ifdef CONFIG_PPC64
522 	iommu_init_early_dart();
523 #endif
524 }
525 
526 static int __init pmac_declare_of_platform_devices(void)
527 {
528 	struct device_node *np;
529 
530 	if (machine_is(chrp))
531 		return -1;
532 
533 	np = of_find_node_by_name(NULL, "valkyrie");
534 	if (np)
535 		of_platform_device_create(np, "valkyrie", NULL);
536 	np = of_find_node_by_name(NULL, "platinum");
537 	if (np)
538 		of_platform_device_create(np, "platinum", NULL);
539         np = of_find_node_by_type(NULL, "smu");
540         if (np) {
541 		of_platform_device_create(np, "smu", NULL);
542 		of_node_put(np);
543 	}
544 
545 	return 0;
546 }
547 machine_device_initcall(powermac, pmac_declare_of_platform_devices);
548 
549 /*
550  * Called very early, MMU is off, device-tree isn't unflattened
551  */
552 static int __init pmac_probe(void)
553 {
554 	unsigned long root = of_get_flat_dt_root();
555 
556 	if (!of_flat_dt_is_compatible(root, "Power Macintosh") &&
557 	    !of_flat_dt_is_compatible(root, "MacRISC"))
558 		return 0;
559 
560 #ifdef CONFIG_PPC64
561 	/*
562 	 * On U3, the DART (iommu) must be allocated now since it
563 	 * has an impact on htab_initialize (due to the large page it
564 	 * occupies having to be broken up so the DART itself is not
565 	 * part of the cacheable linar mapping
566 	 */
567 	alloc_dart_table();
568 
569 	hpte_init_native();
570 #endif
571 
572 #ifdef CONFIG_PPC32
573 	/* isa_io_base gets set in pmac_pci_init */
574 	ISA_DMA_THRESHOLD = ~0L;
575 	DMA_MODE_READ = 1;
576 	DMA_MODE_WRITE = 2;
577 
578 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
579 #ifdef CONFIG_BLK_DEV_IDE_PMAC
580         ppc_ide_md.ide_init_hwif	= pmac_ide_init_hwif_ports;
581         ppc_ide_md.default_io_base	= pmac_ide_get_base;
582 #endif /* CONFIG_BLK_DEV_IDE_PMAC */
583 #endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
584 
585 #endif /* CONFIG_PPC32 */
586 
587 #ifdef CONFIG_PMAC_SMU
588 	/*
589 	 * SMU based G5s need some memory below 2Gb, at least the current
590 	 * driver needs that. We have to allocate it now. We allocate 4k
591 	 * (1 small page) for now.
592 	 */
593 	smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL);
594 #endif /* CONFIG_PMAC_SMU */
595 
596 	return 1;
597 }
598 
599 #ifdef CONFIG_PPC64
600 /* Move that to pci.c */
601 static int pmac_pci_probe_mode(struct pci_bus *bus)
602 {
603 	struct device_node *node = bus->sysdata;
604 
605 	/* We need to use normal PCI probing for the AGP bus,
606 	 * since the device for the AGP bridge isn't in the tree.
607 	 * Same for the PCIe host on U4 and the HT host bridge.
608 	 */
609 	if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") ||
610 				  of_device_is_compatible(node, "u4-pcie") ||
611 				  of_device_is_compatible(node, "u3-ht")))
612 		return PCI_PROBE_NORMAL;
613 	return PCI_PROBE_DEVTREE;
614 }
615 
616 #ifdef CONFIG_HOTPLUG_CPU
617 /* access per cpu vars from generic smp.c */
618 DECLARE_PER_CPU(int, cpu_state);
619 
620 static void pmac_cpu_die(void)
621 {
622 	/*
623 	 * turn off as much as possible, we'll be
624 	 * kicked out as this will only be invoked
625 	 * on core99 platforms for now ...
626 	 */
627 
628 	printk(KERN_INFO "CPU#%d offline\n", smp_processor_id());
629 	__get_cpu_var(cpu_state) = CPU_DEAD;
630 	smp_wmb();
631 
632 	/*
633 	 * during the path that leads here preemption is disabled,
634 	 * reenable it now so that when coming up preempt count is
635 	 * zero correctly
636 	 */
637 	preempt_enable();
638 
639 	/*
640 	 * hard-disable interrupts for the non-NAP case, the NAP code
641 	 * needs to re-enable interrupts (but soft-disables them)
642 	 */
643 	hard_irq_disable();
644 
645 	while (1) {
646 		/* let's not take timer interrupts too often ... */
647 		set_dec(0x7fffffff);
648 
649 		/* should always be true at this point */
650 		if (cpu_has_feature(CPU_FTR_CAN_NAP))
651 			power4_cpu_offline_powersave();
652 		else {
653 			HMT_low();
654 			HMT_very_low();
655 		}
656 	}
657 }
658 #endif /* CONFIG_HOTPLUG_CPU */
659 
660 #endif /* CONFIG_PPC64 */
661 
662 define_machine(powermac) {
663 	.name			= "PowerMac",
664 	.probe			= pmac_probe,
665 	.setup_arch		= pmac_setup_arch,
666 	.init_early		= pmac_init_early,
667 	.show_cpuinfo		= pmac_show_cpuinfo,
668 	.init_IRQ		= pmac_pic_init,
669 	.get_irq		= NULL,	/* changed later */
670 	.pci_irq_fixup		= pmac_pci_irq_fixup,
671 	.restart		= pmac_restart,
672 	.power_off		= pmac_power_off,
673 	.halt			= pmac_halt,
674 	.time_init		= pmac_time_init,
675 	.get_boot_time		= pmac_get_boot_time,
676 	.set_rtc_time		= pmac_set_rtc_time,
677 	.get_rtc_time		= pmac_get_rtc_time,
678 	.calibrate_decr		= pmac_calibrate_decr,
679 	.feature_call		= pmac_do_feature_call,
680 	.progress		= udbg_progress,
681 #ifdef CONFIG_PPC64
682 	.pci_probe_mode		= pmac_pci_probe_mode,
683 	.power_save		= power4_idle,
684 	.enable_pmcs		= power4_enable_pmcs,
685 #ifdef CONFIG_KEXEC
686 	.machine_kexec		= default_machine_kexec,
687 	.machine_kexec_prepare	= default_machine_kexec_prepare,
688 	.machine_crash_shutdown	= default_machine_crash_shutdown,
689 #endif
690 #endif /* CONFIG_PPC64 */
691 #ifdef CONFIG_PPC32
692 	.pcibios_enable_device_hook = pmac_pci_enable_device_hook,
693 	.pcibios_after_init	= pmac_pcibios_after_init,
694 	.phys_mem_access_prot	= pci_phys_mem_access_prot,
695 #endif
696 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
697 	.cpu_die		= pmac_cpu_die,
698 #endif
699 };
700