xref: /freebsd/usr.sbin/acpi/acpidump/acpi.c (revision 2726a7014867ad7224d09b66836c5d385f0350f4)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1998 Doug Rabson
5  * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	$FreeBSD$
30  */
31 
32 #include <sys/param.h>
33 #include <sys/endian.h>
34 #include <sys/stat.h>
35 #include <sys/wait.h>
36 #include <assert.h>
37 #include <err.h>
38 #include <fcntl.h>
39 #include <paths.h>
40 #include <stdio.h>
41 #include <stdint.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <unistd.h>
45 #include <uuid.h>
46 
47 #include "acpidump.h"
48 
49 #define BEGIN_COMMENT	"/*\n"
50 #define END_COMMENT	" */\n"
51 
52 static void	acpi_print_string(char *s, size_t length);
53 static void	acpi_print_gas(ACPI_GENERIC_ADDRESS *gas);
54 static int	acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt);
55 static void	acpi_handle_fadt(ACPI_TABLE_HEADER *fadt);
56 static void	acpi_print_cpu(u_char cpu_id);
57 static void	acpi_print_cpu_uid(uint32_t uid, char *uid_string);
58 static void	acpi_print_local_apic(uint32_t apic_id, uint32_t flags);
59 static void	acpi_print_io_apic(uint32_t apic_id, uint32_t int_base,
60 		    uint64_t apic_addr);
61 static void	acpi_print_mps_flags(uint16_t flags);
62 static void	acpi_print_intr(uint32_t intr, uint16_t mps_flags);
63 static void	acpi_print_local_nmi(u_int lint, uint16_t mps_flags);
64 static void	acpi_print_madt(ACPI_SUBTABLE_HEADER *mp);
65 static void	acpi_handle_madt(ACPI_TABLE_HEADER *sdp);
66 static void	acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp);
67 static void	acpi_handle_hpet(ACPI_TABLE_HEADER *sdp);
68 static void	acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp);
69 static void	acpi_handle_slit(ACPI_TABLE_HEADER *sdp);
70 static void	acpi_handle_wddt(ACPI_TABLE_HEADER *sdp);
71 static void	acpi_handle_lpit(ACPI_TABLE_HEADER *sdp);
72 static void	acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
73 		    uint32_t flags);
74 static void	acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp);
75 static void	acpi_print_srat(ACPI_SUBTABLE_HEADER *srat);
76 static void	acpi_handle_srat(ACPI_TABLE_HEADER *sdp);
77 static void	acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp);
78 static void	acpi_print_nfit(ACPI_NFIT_HEADER *nfit);
79 static void	acpi_handle_nfit(ACPI_TABLE_HEADER *sdp);
80 static void	acpi_print_sdt(ACPI_TABLE_HEADER *sdp);
81 static void	acpi_print_fadt(ACPI_TABLE_HEADER *sdp);
82 static void	acpi_print_facs(ACPI_TABLE_FACS *facs);
83 static void	acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp);
84 static ACPI_TABLE_HEADER *acpi_map_sdt(vm_offset_t pa);
85 static void	acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp);
86 static void	acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp);
87 static void	acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
88 		    void (*action)(ACPI_SUBTABLE_HEADER *));
89 static void	acpi_walk_nfit(ACPI_TABLE_HEADER *table, void *first,
90 		    void (*action)(ACPI_NFIT_HEADER *));
91 
92 /* Size of an address. 32-bit for ACPI 1.0, 64-bit for ACPI 2.0 and up. */
93 static int addr_size;
94 
95 /* Strings used in the TCPA table */
96 static const char *tcpa_event_type_strings[] = {
97 	"PREBOOT Certificate",
98 	"POST Code",
99 	"Unused",
100 	"No Action",
101 	"Separator",
102 	"Action",
103 	"Event Tag",
104 	"S-CRTM Contents",
105 	"S-CRTM Version",
106 	"CPU Microcode",
107 	"Platform Config Flags",
108 	"Table of Devices",
109 	"Compact Hash",
110 	"IPL",
111 	"IPL Partition Data",
112 	"Non-Host Code",
113 	"Non-Host Config",
114 	"Non-Host Info"
115 };
116 
117 static const char *TCPA_pcclient_strings[] = {
118 	"<undefined>",
119 	"SMBIOS",
120 	"BIS Certificate",
121 	"POST BIOS ROM Strings",
122 	"ESCD",
123 	"CMOS",
124 	"NVRAM",
125 	"Option ROM Execute",
126 	"Option ROM Configurateion",
127 	"<undefined>",
128 	"Option ROM Microcode Update ",
129 	"S-CRTM Version String",
130 	"S-CRTM Contents",
131 	"POST Contents",
132 	"Table of Devices",
133 };
134 
135 #define	PRINTFLAG_END()		printflag_end()
136 
137 static char pf_sep = '{';
138 
139 static void
140 printflag_end(void)
141 {
142 
143 	if (pf_sep != '{') {
144 		printf("}");
145 		pf_sep = '{';
146 	}
147 	printf("\n");
148 }
149 
150 static void
151 printflag(uint64_t var, uint64_t mask, const char *name)
152 {
153 
154 	if (var & mask) {
155 		printf("%c%s", pf_sep, name);
156 		pf_sep = ',';
157 	}
158 }
159 
160 static void
161 acpi_print_string(char *s, size_t length)
162 {
163 	int	c;
164 
165 	/* Trim trailing spaces and NULLs */
166 	while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
167 		length--;
168 
169 	while (length--) {
170 		c = *s++;
171 		putchar(c);
172 	}
173 }
174 
175 static void
176 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
177 {
178 	switch(gas->SpaceId) {
179 	case ACPI_GAS_MEMORY:
180 		if (gas->BitWidth <= 32)
181 			printf("0x%08x:%u[%u] (Memory)",
182 			    (u_int)gas->Address, gas->BitOffset,
183 			    gas->BitWidth);
184 		else
185 			printf("0x%016jx:%u[%u] (Memory)",
186 			    (uintmax_t)gas->Address, gas->BitOffset,
187 			    gas->BitWidth);
188 		break;
189 	case ACPI_GAS_IO:
190 		printf("0x%02x:%u[%u] (IO)", (u_int)gas->Address,
191 		    gas->BitOffset, gas->BitWidth);
192 		break;
193 	case ACPI_GAS_PCI:
194 		printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
195 		       (uint16_t)((gas->Address >> 16) & 0xffff),
196 		       (uint16_t)gas->Address);
197 		break;
198 	/* XXX How to handle these below? */
199 	case ACPI_GAS_EMBEDDED:
200 		printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
201 		       gas->BitOffset, gas->BitWidth);
202 		break;
203 	case ACPI_GAS_SMBUS:
204 		printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
205 		       gas->BitOffset, gas->BitWidth);
206 		break;
207 	case ACPI_GAS_CMOS:
208 	case ACPI_GAS_PCIBAR:
209 	case ACPI_GAS_DATATABLE:
210 	case ACPI_GAS_FIXED:
211 	default:
212 		printf("0x%016jx (?)", (uintmax_t)gas->Address);
213 		break;
214 	}
215 }
216 
217 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
218 static int
219 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
220 {
221 	int fadt_revision;
222 
223 	/* Set the FADT revision separately from the RSDP version. */
224 	if (addr_size == 8) {
225 		fadt_revision = 2;
226 
227 		/*
228 		 * A few systems (e.g., IBM T23) have an RSDP that claims
229 		 * revision 2 but the 64 bit addresses are invalid.  If
230 		 * revision 2 and the 32 bit address is non-zero but the
231 		 * 32 and 64 bit versions don't match, prefer the 32 bit
232 		 * version for all subsequent tables.
233 		 */
234 		if (fadt->Facs != 0 &&
235 		    (fadt->XFacs & 0xffffffff) != fadt->Facs)
236 			fadt_revision = 1;
237 	} else
238 		fadt_revision = 1;
239 	return (fadt_revision);
240 }
241 
242 static void
243 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
244 {
245 	ACPI_TABLE_HEADER *dsdp;
246 	ACPI_TABLE_FACS	*facs;
247 	ACPI_TABLE_FADT *fadt;
248 	vm_offset_t	addr;
249 	int		fadt_revision;
250 
251 	fadt = (ACPI_TABLE_FADT *)sdp;
252 	acpi_print_fadt(sdp);
253 
254 	fadt_revision = acpi_get_fadt_revision(fadt);
255 	if (fadt_revision == 1)
256 		addr = fadt->Facs;
257 	else
258 		addr = fadt->XFacs;
259 	if (addr != 0) {
260 		facs = (ACPI_TABLE_FACS *)acpi_map_sdt(addr);
261 
262 		if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 ||
263 		    facs->Length < 64)
264 			errx(1, "FACS is corrupt");
265 		acpi_print_facs(facs);
266 	}
267 
268 	if (fadt_revision == 1)
269 		dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
270 	else
271 		dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
272 	if (acpi_checksum(dsdp, dsdp->Length))
273 		errx(1, "DSDT is corrupt");
274 	acpi_print_dsdt(dsdp);
275 }
276 
277 static void
278 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
279     void (*action)(ACPI_SUBTABLE_HEADER *))
280 {
281 	ACPI_SUBTABLE_HEADER *subtable;
282 	char *end;
283 
284 	subtable = first;
285 	end = (char *)table + table->Length;
286 	while ((char *)subtable < end) {
287 		printf("\n");
288 		if (subtable->Length < sizeof(ACPI_SUBTABLE_HEADER)) {
289 			warnx("invalid subtable length %u", subtable->Length);
290 			return;
291 		}
292 		action(subtable);
293 		subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
294 		    subtable->Length);
295 	}
296 }
297 
298 static void
299 acpi_walk_nfit(ACPI_TABLE_HEADER *table, void *first,
300     void (*action)(ACPI_NFIT_HEADER *))
301 {
302 	ACPI_NFIT_HEADER *subtable;
303 	char *end;
304 
305 	subtable = first;
306 	end = (char *)table + table->Length;
307 	while ((char *)subtable < end) {
308 		printf("\n");
309 		if (subtable->Length < sizeof(ACPI_NFIT_HEADER)) {
310 			warnx("invalid subtable length %u", subtable->Length);
311 			return;
312 		}
313 		action(subtable);
314 		subtable = (ACPI_NFIT_HEADER *)((char *)subtable +
315 		    subtable->Length);
316 	}
317 }
318 
319 static void
320 acpi_print_cpu(u_char cpu_id)
321 {
322 
323 	printf("\tACPI CPU=");
324 	if (cpu_id == 0xff)
325 		printf("ALL\n");
326 	else
327 		printf("%d\n", (u_int)cpu_id);
328 }
329 
330 static void
331 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
332 {
333 
334 	printf("\tUID=%d", uid);
335 	if (uid_string != NULL)
336 		printf(" (%s)", uid_string);
337 	printf("\n");
338 }
339 
340 static void
341 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
342 {
343 
344 	printf("\tFlags={");
345 	if (flags & ACPI_MADT_ENABLED)
346 		printf("ENABLED");
347 	else
348 		printf("DISABLED");
349 	printf("}\n");
350 	printf("\tAPIC ID=%d\n", apic_id);
351 }
352 
353 static void
354 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
355 {
356 
357 	printf("\tAPIC ID=%d\n", apic_id);
358 	printf("\tINT BASE=%d\n", int_base);
359 	printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
360 }
361 
362 static void
363 acpi_print_mps_flags(uint16_t flags)
364 {
365 
366 	printf("\tFlags={Polarity=");
367 	switch (flags & ACPI_MADT_POLARITY_MASK) {
368 	case ACPI_MADT_POLARITY_CONFORMS:
369 		printf("conforming");
370 		break;
371 	case ACPI_MADT_POLARITY_ACTIVE_HIGH:
372 		printf("active-hi");
373 		break;
374 	case ACPI_MADT_POLARITY_ACTIVE_LOW:
375 		printf("active-lo");
376 		break;
377 	default:
378 		printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
379 		break;
380 	}
381 	printf(", Trigger=");
382 	switch (flags & ACPI_MADT_TRIGGER_MASK) {
383 	case ACPI_MADT_TRIGGER_CONFORMS:
384 		printf("conforming");
385 		break;
386 	case ACPI_MADT_TRIGGER_EDGE:
387 		printf("edge");
388 		break;
389 	case ACPI_MADT_TRIGGER_LEVEL:
390 		printf("level");
391 		break;
392 	default:
393 		printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
394 	}
395 	printf("}\n");
396 }
397 
398 static void
399 acpi_print_gicc_flags(uint32_t flags)
400 {
401 
402 	printf("\tFlags={Performance intr=");
403 	if (flags & ACPI_MADT_PERFORMANCE_IRQ_MODE)
404 		printf("edge");
405 	else
406 		printf("level");
407 	printf(", VGIC intr=");
408 	if (flags & ACPI_MADT_VGIC_IRQ_MODE)
409 		printf("edge");
410 	else
411 		printf("level");
412 	printf("}\n");
413 }
414 
415 static void
416 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
417 {
418 
419 	printf("\tINTR=%d\n", intr);
420 	acpi_print_mps_flags(mps_flags);
421 }
422 
423 static void
424 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
425 {
426 
427 	printf("\tLINT Pin=%d\n", lint);
428 	acpi_print_mps_flags(mps_flags);
429 }
430 
431 static const char *apic_types[] = {
432     [ACPI_MADT_TYPE_LOCAL_APIC] = "Local APIC",
433     [ACPI_MADT_TYPE_IO_APIC] = "IO APIC",
434     [ACPI_MADT_TYPE_INTERRUPT_OVERRIDE] = "INT Override",
435     [ACPI_MADT_TYPE_NMI_SOURCE] = "NMI",
436     [ACPI_MADT_TYPE_LOCAL_APIC_NMI] = "Local APIC NMI",
437     [ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE] = "Local APIC Override",
438     [ACPI_MADT_TYPE_IO_SAPIC] = "IO SAPIC",
439     [ACPI_MADT_TYPE_LOCAL_SAPIC] = "Local SAPIC",
440     [ACPI_MADT_TYPE_INTERRUPT_SOURCE] = "Platform Interrupt",
441     [ACPI_MADT_TYPE_LOCAL_X2APIC] = "Local X2APIC",
442     [ACPI_MADT_TYPE_LOCAL_X2APIC_NMI] = "Local X2APIC NMI",
443     [ACPI_MADT_TYPE_GENERIC_INTERRUPT] = "GIC CPU Interface Structure",
444     [ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR] = "GIC Distributor Structure",
445     [ACPI_MADT_TYPE_GENERIC_MSI_FRAME] = "GICv2m MSI Frame",
446     [ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR] = "GIC Redistributor Structure",
447     [ACPI_MADT_TYPE_GENERIC_TRANSLATOR] = "GIC ITS Structure"
448 };
449 
450 static const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
451 					    "Corrected Platform Error" };
452 
453 static void
454 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
455 {
456 	ACPI_MADT_LOCAL_APIC *lapic;
457 	ACPI_MADT_IO_APIC *ioapic;
458 	ACPI_MADT_INTERRUPT_OVERRIDE *over;
459 	ACPI_MADT_NMI_SOURCE *nmi;
460 	ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi;
461 	ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over;
462 	ACPI_MADT_IO_SAPIC *iosapic;
463 	ACPI_MADT_LOCAL_SAPIC *lsapic;
464 	ACPI_MADT_INTERRUPT_SOURCE *isrc;
465 	ACPI_MADT_LOCAL_X2APIC *x2apic;
466 	ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi;
467 	ACPI_MADT_GENERIC_INTERRUPT *gicc;
468 	ACPI_MADT_GENERIC_DISTRIBUTOR *gicd;
469 	ACPI_MADT_GENERIC_REDISTRIBUTOR *gicr;
470 	ACPI_MADT_GENERIC_TRANSLATOR *gict;
471 
472 	if (mp->Type < nitems(apic_types))
473 		printf("\tType=%s\n", apic_types[mp->Type]);
474 	else
475 		printf("\tType=%d (unknown)\n", mp->Type);
476 	switch (mp->Type) {
477 	case ACPI_MADT_TYPE_LOCAL_APIC:
478 		lapic = (ACPI_MADT_LOCAL_APIC *)mp;
479 		acpi_print_cpu(lapic->ProcessorId);
480 		acpi_print_local_apic(lapic->Id, lapic->LapicFlags);
481 		break;
482 	case ACPI_MADT_TYPE_IO_APIC:
483 		ioapic = (ACPI_MADT_IO_APIC *)mp;
484 		acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
485 		    ioapic->Address);
486 		break;
487 	case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
488 		over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp;
489 		printf("\tBUS=%d\n", (u_int)over->Bus);
490 		printf("\tIRQ=%d\n", (u_int)over->SourceIrq);
491 		acpi_print_intr(over->GlobalIrq, over->IntiFlags);
492 		break;
493 	case ACPI_MADT_TYPE_NMI_SOURCE:
494 		nmi = (ACPI_MADT_NMI_SOURCE *)mp;
495 		acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
496 		break;
497 	case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
498 		lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp;
499 		acpi_print_cpu(lapic_nmi->ProcessorId);
500 		acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags);
501 		break;
502 	case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
503 		lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp;
504 		printf("\tLocal APIC ADDR=0x%016jx\n",
505 		    (uintmax_t)lapic_over->Address);
506 		break;
507 	case ACPI_MADT_TYPE_IO_SAPIC:
508 		iosapic = (ACPI_MADT_IO_SAPIC *)mp;
509 		acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
510 		    iosapic->Address);
511 		break;
512 	case ACPI_MADT_TYPE_LOCAL_SAPIC:
513 		lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp;
514 		acpi_print_cpu(lsapic->ProcessorId);
515 		acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags);
516 		printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid);
517 		if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid))
518 			acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString);
519 		break;
520 	case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
521 		isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp;
522 		if (isrc->Type < nitems(platform_int_types))
523 			printf("\tType=%s\n", platform_int_types[isrc->Type]);
524 		else
525 			printf("\tType=%d (unknown)\n", isrc->Type);
526 		printf("\tAPIC ID=%d\n", (u_int)isrc->Id);
527 		printf("\tAPIC EID=%d\n", (u_int)isrc->Eid);
528 		printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector);
529 		acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags);
530 		break;
531 	case ACPI_MADT_TYPE_LOCAL_X2APIC:
532 		x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp;
533 		acpi_print_cpu_uid(x2apic->Uid, NULL);
534 		acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags);
535 		break;
536 	case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
537 		x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp;
538 		acpi_print_cpu_uid(x2apic_nmi->Uid, NULL);
539 		acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags);
540 		break;
541 	case ACPI_MADT_TYPE_GENERIC_INTERRUPT:
542 		gicc = (ACPI_MADT_GENERIC_INTERRUPT *)mp;
543 		acpi_print_cpu_uid(gicc->Uid, NULL);
544 		printf("\tCPU INTERFACE=%x\n", gicc->CpuInterfaceNumber);
545 		acpi_print_gicc_flags(gicc->Flags);
546 		printf("\tParking Protocol Version=%x\n", gicc->ParkingVersion);
547 		printf("\tPERF INTR=%d\n", gicc->PerformanceInterrupt);
548 		printf("\tParked ADDR=%016jx\n",
549 		    (uintmax_t)gicc->ParkedAddress);
550 		printf("\tBase ADDR=%016jx\n", (uintmax_t)gicc->BaseAddress);
551 		printf("\tGICV=%016jx\n", (uintmax_t)gicc->GicvBaseAddress);
552 		printf("\tGICH=%016jx\n", (uintmax_t)gicc->GichBaseAddress);
553 		printf("\tVGIC INTR=%d\n", gicc->VgicInterrupt);
554 		printf("\tGICR ADDR=%016jx\n",
555 		    (uintmax_t)gicc->GicrBaseAddress);
556 		printf("\tMPIDR=%jx\n", (uintmax_t)gicc->ArmMpidr);
557 		printf("\tEfficency Class=%d\n", (u_int)gicc->EfficiencyClass);
558 		break;
559 	case ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR:
560 		gicd = (ACPI_MADT_GENERIC_DISTRIBUTOR *)mp;
561 		printf("\tGIC ID=%d\n", (u_int)gicd->GicId);
562 		printf("\tBase ADDR=%016jx\n", (uintmax_t)gicd->BaseAddress);
563 		printf("\tVector Base=%d\n", gicd->GlobalIrqBase);
564 		printf("\tGIC VERSION=%d\n", (u_int)gicd->Version);
565 		break;
566 	case ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR:
567 		gicr = (ACPI_MADT_GENERIC_REDISTRIBUTOR *)mp;
568 		printf("\tBase ADDR=%016jx\n", (uintmax_t)gicr->BaseAddress);
569 		printf("\tLength=%08x\n", gicr->Length);
570 		break;
571 	case ACPI_MADT_TYPE_GENERIC_TRANSLATOR:
572 		gict = (ACPI_MADT_GENERIC_TRANSLATOR *)mp;
573 		printf("\tGIC ITS ID=%d\n", gict->TranslationId);
574 		printf("\tBase ADDR=%016jx\n", (uintmax_t)gict->BaseAddress);
575 		break;
576 	}
577 }
578 
579 static void
580 acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
581 {
582 	ACPI_TABLE_MADT *madt;
583 
584 	printf(BEGIN_COMMENT);
585 	acpi_print_sdt(sdp);
586 	madt = (ACPI_TABLE_MADT *)sdp;
587 	printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
588 	printf("\tFlags={");
589 	if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
590 		printf("PC-AT");
591 	printf("}\n");
592 	acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
593 	printf(END_COMMENT);
594 }
595 
596 static void
597 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
598 {
599 	ACPI_TABLE_HPET *hpet;
600 
601 	printf(BEGIN_COMMENT);
602 	acpi_print_sdt(sdp);
603 	hpet = (ACPI_TABLE_HPET *)sdp;
604 	printf("\tHPET Number=%d\n", hpet->Sequence);
605 	printf("\tADDR=");
606 	acpi_print_gas(&hpet->Address);
607 	printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID);
608 	printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >>
609 	    8);
610 	printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
611 	    1 : 0);
612 	printf("\tLegacy IRQ routing capable={");
613 	if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
614 		printf("TRUE}\n");
615 	else
616 		printf("FALSE}\n");
617 	printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
618 	printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
619 	printf("\tFlags=0x%02x\n", hpet->Flags);
620 	printf(END_COMMENT);
621 }
622 
623 static void
624 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
625 {
626 	ACPI_TABLE_ECDT *ecdt;
627 
628 	printf(BEGIN_COMMENT);
629 	acpi_print_sdt(sdp);
630 	ecdt = (ACPI_TABLE_ECDT *)sdp;
631 	printf("\tEC_CONTROL=");
632 	acpi_print_gas(&ecdt->Control);
633 	printf("\n\tEC_DATA=");
634 	acpi_print_gas(&ecdt->Data);
635 	printf("\n\tUID=%#x, ", ecdt->Uid);
636 	printf("GPE_BIT=%#x\n", ecdt->Gpe);
637 	printf("\tEC_ID=%s\n", ecdt->Id);
638 	printf(END_COMMENT);
639 }
640 
641 static void
642 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
643 {
644 	ACPI_TABLE_MCFG *mcfg;
645 	ACPI_MCFG_ALLOCATION *alloc;
646 	u_int i, entries;
647 
648 	printf(BEGIN_COMMENT);
649 	acpi_print_sdt(sdp);
650 	mcfg = (ACPI_TABLE_MCFG *)sdp;
651 	entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) /
652 	    sizeof(ACPI_MCFG_ALLOCATION);
653 	alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
654 	for (i = 0; i < entries; i++, alloc++) {
655 		printf("\n");
656 		printf("\tBase Address=0x%016jx\n", (uintmax_t)alloc->Address);
657 		printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
658 		printf("\tStart Bus=%d\n", alloc->StartBusNumber);
659 		printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
660 	}
661 	printf(END_COMMENT);
662 }
663 
664 static void
665 acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
666 {
667 	ACPI_TABLE_SLIT *slit;
668 	UINT64 i, j;
669 
670 	printf(BEGIN_COMMENT);
671 	acpi_print_sdt(sdp);
672 	slit = (ACPI_TABLE_SLIT *)sdp;
673 	printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
674 	printf("\n\t      ");
675 	for (i = 0; i < slit->LocalityCount; i++)
676 		printf(" %3ju", (uintmax_t)i);
677 	printf("\n\t     +");
678 	for (i = 0; i < slit->LocalityCount; i++)
679 		printf("----");
680 	printf("\n");
681 	for (i = 0; i < slit->LocalityCount; i++) {
682 		printf("\t %3ju |", (uintmax_t)i);
683 		for (j = 0; j < slit->LocalityCount; j++)
684 			printf(" %3d",
685 			    slit->Entry[i * slit->LocalityCount + j]);
686 		printf("\n");
687 	}
688 	printf(END_COMMENT);
689 }
690 
691 static void
692 acpi_handle_wddt(ACPI_TABLE_HEADER *sdp)
693 {
694 	ACPI_TABLE_WDDT *wddt;
695 
696 	printf(BEGIN_COMMENT);
697 	acpi_print_sdt(sdp);
698 	wddt = (ACPI_TABLE_WDDT *)sdp;
699 	printf("\tSpecVersion=0x%04x, TableVersion=0x%04x\n",
700 	    wddt->SpecVersion, wddt->TableVersion);
701 	printf("\tPciVendorId=0x%04x, Address=", wddt->PciVendorId);
702 	acpi_print_gas(&wddt->Address);
703 	printf("\n\tMaxCount=%u, MinCount=%u, Period=%ums\n",
704 	    wddt->MaxCount, wddt->MinCount, wddt->Period);
705 
706 #define	PRINTFLAG(var, flag)	printflag((var), ACPI_WDDT_## flag, #flag)
707 	printf("\tStatus=");
708 	PRINTFLAG(wddt->Status, AVAILABLE);
709 	PRINTFLAG(wddt->Status, ACTIVE);
710 	PRINTFLAG(wddt->Status, TCO_OS_OWNED);
711 	PRINTFLAG(wddt->Status, USER_RESET);
712 	PRINTFLAG(wddt->Status, WDT_RESET);
713 	PRINTFLAG(wddt->Status, POWER_FAIL);
714 	PRINTFLAG(wddt->Status, UNKNOWN_RESET);
715 	PRINTFLAG_END();
716 	printf("\tCapability=");
717 	PRINTFLAG(wddt->Capability, AUTO_RESET);
718 	PRINTFLAG(wddt->Capability, ALERT_SUPPORT);
719 	PRINTFLAG_END();
720 #undef PRINTFLAG
721 
722 	printf(END_COMMENT);
723 }
724 
725 static void
726 acpi_print_native_lpit(ACPI_LPIT_NATIVE *nl)
727 {
728 	printf("\tEntryTrigger=");
729 	acpi_print_gas(&nl->EntryTrigger);
730 	printf("\tResidency=%u\n", nl->Residency);
731 	printf("\tLatency=%u\n", nl->Latency);
732 	if (nl->Header.Flags & ACPI_LPIT_NO_COUNTER)
733 		printf("\tResidencyCounter=Not Present");
734 	else {
735 		printf("\tResidencyCounter=");
736 		acpi_print_gas(&nl->ResidencyCounter);
737 	}
738 	if (nl->CounterFrequency)
739 		printf("\tCounterFrequency=%ju\n", nl->CounterFrequency);
740 	else
741 		printf("\tCounterFrequency=TSC\n");
742 }
743 
744 static void
745 acpi_print_lpit(ACPI_LPIT_HEADER *lpit)
746 {
747 	if (lpit->Type == ACPI_LPIT_TYPE_NATIVE_CSTATE)
748 		printf("\tType=ACPI_LPIT_TYPE_NATIVE_CSTATE\n");
749 	else
750 		warnx("unknown LPIT type %u", lpit->Type);
751 
752 	printf("\tLength=%u\n", lpit->Length);
753 	printf("\tUniqueId=0x%04x\n", lpit->UniqueId);
754 #define	PRINTFLAG(var, flag)	printflag((var), ACPI_LPIT_## flag, #flag)
755 	printf("\tFlags=");
756 	PRINTFLAG(lpit->Flags, STATE_DISABLED);
757 	PRINTFLAG_END();
758 #undef PRINTFLAG
759 
760 	if (lpit->Type == ACPI_LPIT_TYPE_NATIVE_CSTATE)
761 		return acpi_print_native_lpit((ACPI_LPIT_NATIVE *)lpit);
762 }
763 
764 static void
765 acpi_walk_lpit(ACPI_TABLE_HEADER *table, void *first,
766     void (*action)(ACPI_LPIT_HEADER *))
767 {
768 	ACPI_LPIT_HEADER *subtable;
769 	char *end;
770 
771 	subtable = first;
772 	end = (char *)table + table->Length;
773 	while ((char *)subtable < end) {
774 		printf("\n");
775 		if (subtable->Length < sizeof(ACPI_LPIT_HEADER)) {
776 			warnx("invalid subtable length %u", subtable->Length);
777 			return;
778 		}
779 		action(subtable);
780 		subtable = (ACPI_LPIT_HEADER *)((char *)subtable +
781 		    subtable->Length);
782 	}
783 }
784 
785 static void
786 acpi_handle_lpit(ACPI_TABLE_HEADER *sdp)
787 {
788 	ACPI_TABLE_LPIT *lpit;
789 
790 	printf(BEGIN_COMMENT);
791 	acpi_print_sdt(sdp);
792 	lpit = (ACPI_TABLE_LPIT *)sdp;
793 	acpi_walk_lpit(sdp, (lpit + 1), acpi_print_lpit);
794 
795 	printf(END_COMMENT);
796 }
797 
798 static void
799 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
800     uint32_t flags)
801 {
802 
803 	printf("\tFlags={");
804 	if (flags & ACPI_SRAT_CPU_ENABLED)
805 		printf("ENABLED");
806 	else
807 		printf("DISABLED");
808 	printf("}\n");
809 	printf("\tAPIC ID=%d\n", apic_id);
810 	printf("\tProximity Domain=%d\n", proximity_domain);
811 }
812 
813 static char *
814 acpi_tcpa_evname(struct TCPAevent *event)
815 {
816 	struct TCPApc_event *pc_event;
817 	char *eventname = NULL;
818 
819 	pc_event = (struct TCPApc_event *)(event + 1);
820 
821 	switch(event->event_type) {
822 	case PREBOOT:
823 	case POST_CODE:
824 	case UNUSED:
825 	case NO_ACTION:
826 	case SEPARATOR:
827 	case SCRTM_CONTENTS:
828 	case SCRTM_VERSION:
829 	case CPU_MICROCODE:
830 	case PLATFORM_CONFIG_FLAGS:
831 	case TABLE_OF_DEVICES:
832 	case COMPACT_HASH:
833 	case IPL:
834 	case IPL_PARTITION_DATA:
835 	case NONHOST_CODE:
836 	case NONHOST_CONFIG:
837 	case NONHOST_INFO:
838 		asprintf(&eventname, "%s",
839 		    tcpa_event_type_strings[event->event_type]);
840 		break;
841 
842 	case ACTION:
843 		eventname = calloc(event->event_size + 1, sizeof(char));
844 		memcpy(eventname, pc_event, event->event_size);
845 		break;
846 
847 	case EVENT_TAG:
848 		switch (pc_event->event_id) {
849 		case SMBIOS:
850 		case BIS_CERT:
851 		case CMOS:
852 		case NVRAM:
853 		case OPTION_ROM_EXEC:
854 		case OPTION_ROM_CONFIG:
855 		case S_CRTM_VERSION:
856 		case POST_BIOS_ROM:
857 		case ESCD:
858 		case OPTION_ROM_MICROCODE:
859 		case S_CRTM_CONTENTS:
860 		case POST_CONTENTS:
861 			asprintf(&eventname, "%s",
862 			    TCPA_pcclient_strings[pc_event->event_id]);
863 			break;
864 
865 		default:
866 			asprintf(&eventname, "<unknown tag 0x%02x>",
867 			    pc_event->event_id);
868 			break;
869 		}
870 		break;
871 
872 	default:
873 		asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
874 		break;
875 	}
876 
877 	return eventname;
878 }
879 
880 static void
881 acpi_print_tcpa(struct TCPAevent *event)
882 {
883 	int i;
884 	char *eventname;
885 
886 	eventname = acpi_tcpa_evname(event);
887 
888 	printf("\t%d", event->pcr_index);
889 	printf(" 0x");
890 	for (i = 0; i < 20; i++)
891 		printf("%02x", event->pcr_value[i]);
892 	printf(" [%s]\n", eventname ? eventname : "<unknown>");
893 
894 	free(eventname);
895 }
896 
897 static void
898 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
899 {
900 	struct TCPAbody *tcpa;
901 	struct TCPAevent *event;
902 	uintmax_t len, paddr;
903 	unsigned char *vaddr = NULL;
904 	unsigned char *vend = NULL;
905 
906 	printf(BEGIN_COMMENT);
907 	acpi_print_sdt(sdp);
908 	tcpa = (struct TCPAbody *) sdp;
909 
910 	switch (tcpa->platform_class) {
911 	case ACPI_TCPA_BIOS_CLIENT:
912 		len = tcpa->client.log_max_len;
913 		paddr = tcpa->client.log_start_addr;
914 		break;
915 
916 	case ACPI_TCPA_BIOS_SERVER:
917 		len = tcpa->server.log_max_len;
918 		paddr = tcpa->server.log_start_addr;
919 		break;
920 
921 	default:
922 		printf("XXX");
923 		printf(END_COMMENT);
924 		return;
925 	}
926 	printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
927 	    tcpa->platform_class, paddr, len);
928 
929 	if (len == 0) {
930 		printf("\tEmpty TCPA table\n");
931 		printf(END_COMMENT);
932 		return;
933 	}
934 	if(sdp->Revision == 1){
935 		printf("\tOLD TCPA spec log found. Dumping not supported.\n");
936 		printf(END_COMMENT);
937 		return;
938 	}
939 
940 	vaddr = (unsigned char *)acpi_map_physical(paddr, len);
941 	vend = vaddr + len;
942 
943 	while (vaddr != NULL) {
944 		if ((vaddr + sizeof(struct TCPAevent) >= vend)||
945 		    (vaddr + sizeof(struct TCPAevent) < vaddr))
946 			break;
947 		event = (struct TCPAevent *)(void *)vaddr;
948 		if (vaddr + event->event_size >= vend)
949 			break;
950 		if (vaddr + event->event_size < vaddr)
951 			break;
952 		if (event->event_type == 0 && event->event_size == 0)
953 			break;
954 #if 0
955 		{
956 		unsigned int i, j, k;
957 
958 		printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr);
959 		for (j = 0, i = 0; i <
960 		    sizeof(struct TCPAevent) + event->event_size; i++) {
961 			printf("%02x ", vaddr[i]);
962 			if ((i+1) % 8 == 0) {
963 				for (k = 0; k < 8; k++)
964 					printf("%c", isprint(vaddr[j+k]) ?
965 					    vaddr[j+k] : '.');
966 				printf("\n\t\t%p ", &vaddr[i + 1]);
967 				j = i + 1;
968 			}
969 		}
970 		printf("\n"); }
971 #endif
972 		acpi_print_tcpa(event);
973 
974 		vaddr += sizeof(struct TCPAevent) + event->event_size;
975 	}
976 
977 	printf(END_COMMENT);
978 }
979 static void acpi_handle_tpm2(ACPI_TABLE_HEADER *sdp)
980 {
981 	ACPI_TABLE_TPM2 *tpm2;
982 
983 	printf (BEGIN_COMMENT);
984 	acpi_print_sdt(sdp);
985 	tpm2 = (ACPI_TABLE_TPM2 *) sdp;
986 	printf ("\t\tControlArea=%jx\n", tpm2->ControlAddress);
987 	printf ("\t\tStartMethod=%x\n", tpm2->StartMethod);
988 	printf (END_COMMENT);
989 }
990 
991 static const char *
992 devscope_type2str(int type)
993 {
994 	static char typebuf[16];
995 
996 	switch (type) {
997 	case 1:
998 		return ("PCI Endpoint Device");
999 	case 2:
1000 		return ("PCI Sub-Hierarchy");
1001 	case 3:
1002 		return ("IOAPIC");
1003 	case 4:
1004 		return ("HPET");
1005 	default:
1006 		snprintf(typebuf, sizeof(typebuf), "%d", type);
1007 		return (typebuf);
1008 	}
1009 }
1010 
1011 static int
1012 acpi_handle_dmar_devscope(void *addr, int remaining)
1013 {
1014 	char sep;
1015 	int pathlen;
1016 	ACPI_DMAR_PCI_PATH *path, *pathend;
1017 	ACPI_DMAR_DEVICE_SCOPE *devscope = addr;
1018 
1019 	if (remaining < (int)sizeof(ACPI_DMAR_DEVICE_SCOPE))
1020 		return (-1);
1021 
1022 	if (remaining < devscope->Length)
1023 		return (-1);
1024 
1025 	printf("\n");
1026 	printf("\t\tType=%s\n", devscope_type2str(devscope->EntryType));
1027 	printf("\t\tLength=%d\n", devscope->Length);
1028 	printf("\t\tEnumerationId=%d\n", devscope->EnumerationId);
1029 	printf("\t\tStartBusNumber=%d\n", devscope->Bus);
1030 
1031 	path = (ACPI_DMAR_PCI_PATH *)(devscope + 1);
1032 	pathlen = devscope->Length - sizeof(ACPI_DMAR_DEVICE_SCOPE);
1033 	pathend = path + pathlen / sizeof(ACPI_DMAR_PCI_PATH);
1034 	if (path < pathend) {
1035 		sep = '{';
1036 		printf("\t\tPath=");
1037 		do {
1038 			printf("%c%d:%d", sep, path->Device, path->Function);
1039 			sep=',';
1040 			path++;
1041 		} while (path < pathend);
1042 		printf("}\n");
1043 	}
1044 
1045 	return (devscope->Length);
1046 }
1047 
1048 static void
1049 acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
1050 {
1051 	char *cp;
1052 	int remaining, consumed;
1053 
1054 	printf("\n");
1055 	printf("\tType=DRHD\n");
1056 	printf("\tLength=%d\n", drhd->Header.Length);
1057 
1058 #define	PRINTFLAG(var, flag)	printflag((var), ACPI_DMAR_## flag, #flag)
1059 
1060 	printf("\tFlags=");
1061 	PRINTFLAG(drhd->Flags, INCLUDE_ALL);
1062 	PRINTFLAG_END();
1063 
1064 #undef PRINTFLAG
1065 
1066 	printf("\tSegment=%d\n", drhd->Segment);
1067 	printf("\tAddress=0x%016jx\n", (uintmax_t)drhd->Address);
1068 
1069 	remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
1070 	if (remaining > 0)
1071 		printf("\tDevice Scope:");
1072 	while (remaining > 0) {
1073 		cp = (char *)drhd + drhd->Header.Length - remaining;
1074 		consumed = acpi_handle_dmar_devscope(cp, remaining);
1075 		if (consumed <= 0)
1076 			break;
1077 		else
1078 			remaining -= consumed;
1079 	}
1080 }
1081 
1082 static void
1083 acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
1084 {
1085 	char *cp;
1086 	int remaining, consumed;
1087 
1088 	printf("\n");
1089 	printf("\tType=RMRR\n");
1090 	printf("\tLength=%d\n", rmrr->Header.Length);
1091 	printf("\tSegment=%d\n", rmrr->Segment);
1092 	printf("\tBaseAddress=0x%016jx\n", (uintmax_t)rmrr->BaseAddress);
1093 	printf("\tLimitAddress=0x%016jx\n", (uintmax_t)rmrr->EndAddress);
1094 
1095 	remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
1096 	if (remaining > 0)
1097 		printf("\tDevice Scope:");
1098 	while (remaining > 0) {
1099 		cp = (char *)rmrr + rmrr->Header.Length - remaining;
1100 		consumed = acpi_handle_dmar_devscope(cp, remaining);
1101 		if (consumed <= 0)
1102 			break;
1103 		else
1104 			remaining -= consumed;
1105 	}
1106 }
1107 
1108 static void
1109 acpi_handle_dmar_atsr(ACPI_DMAR_ATSR *atsr)
1110 {
1111 	char *cp;
1112 	int remaining, consumed;
1113 
1114 	printf("\n");
1115 	printf("\tType=ATSR\n");
1116 	printf("\tLength=%d\n", atsr->Header.Length);
1117 
1118 #define	PRINTFLAG(var, flag)	printflag((var), ACPI_DMAR_## flag, #flag)
1119 
1120 	printf("\tFlags=");
1121 	PRINTFLAG(atsr->Flags, ALL_PORTS);
1122 	PRINTFLAG_END();
1123 
1124 #undef PRINTFLAG
1125 
1126 	printf("\tSegment=%d\n", atsr->Segment);
1127 
1128 	remaining = atsr->Header.Length - sizeof(ACPI_DMAR_ATSR);
1129 	if (remaining > 0)
1130 		printf("\tDevice Scope:");
1131 	while (remaining > 0) {
1132 		cp = (char *)atsr + atsr->Header.Length - remaining;
1133 		consumed = acpi_handle_dmar_devscope(cp, remaining);
1134 		if (consumed <= 0)
1135 			break;
1136 		else
1137 			remaining -= consumed;
1138 	}
1139 }
1140 
1141 static void
1142 acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
1143 {
1144 
1145 	printf("\n");
1146 	printf("\tType=RHSA\n");
1147 	printf("\tLength=%d\n", rhsa->Header.Length);
1148 	printf("\tBaseAddress=0x%016jx\n", (uintmax_t)rhsa->BaseAddress);
1149 	printf("\tProximityDomain=0x%08x\n", rhsa->ProximityDomain);
1150 }
1151 
1152 static int
1153 acpi_handle_dmar_remapping_structure(void *addr, int remaining)
1154 {
1155 	ACPI_DMAR_HEADER *hdr = addr;
1156 
1157 	if (remaining < (int)sizeof(ACPI_DMAR_HEADER))
1158 		return (-1);
1159 
1160 	if (remaining < hdr->Length)
1161 		return (-1);
1162 
1163 	switch (hdr->Type) {
1164 	case ACPI_DMAR_TYPE_HARDWARE_UNIT:
1165 		acpi_handle_dmar_drhd(addr);
1166 		break;
1167 	case ACPI_DMAR_TYPE_RESERVED_MEMORY:
1168 		acpi_handle_dmar_rmrr(addr);
1169 		break;
1170 	case ACPI_DMAR_TYPE_ROOT_ATS:
1171 		acpi_handle_dmar_atsr(addr);
1172 		break;
1173 	case ACPI_DMAR_TYPE_HARDWARE_AFFINITY:
1174 		acpi_handle_dmar_rhsa(addr);
1175 		break;
1176 	default:
1177 		printf("\n");
1178 		printf("\tType=%d\n", hdr->Type);
1179 		printf("\tLength=%d\n", hdr->Length);
1180 		break;
1181 	}
1182 	return (hdr->Length);
1183 }
1184 
1185 #ifndef ACPI_DMAR_X2APIC_OPT_OUT
1186 #define	ACPI_DMAR_X2APIC_OPT_OUT	(0x2)
1187 #endif
1188 
1189 static void
1190 acpi_handle_dmar(ACPI_TABLE_HEADER *sdp)
1191 {
1192 	char *cp;
1193 	int remaining, consumed;
1194 	ACPI_TABLE_DMAR *dmar;
1195 
1196 	printf(BEGIN_COMMENT);
1197 	acpi_print_sdt(sdp);
1198 	dmar = (ACPI_TABLE_DMAR *)sdp;
1199 	printf("\tHost Address Width=%d\n", dmar->Width + 1);
1200 
1201 #define PRINTFLAG(var, flag)	printflag((var), ACPI_DMAR_## flag, #flag)
1202 
1203 	printf("\tFlags=");
1204 	PRINTFLAG(dmar->Flags, INTR_REMAP);
1205 	PRINTFLAG(dmar->Flags, X2APIC_OPT_OUT);
1206 	PRINTFLAG_END();
1207 
1208 #undef PRINTFLAG
1209 
1210 	remaining = sdp->Length - sizeof(ACPI_TABLE_DMAR);
1211 	while (remaining > 0) {
1212 		cp = (char *)sdp + sdp->Length - remaining;
1213 		consumed = acpi_handle_dmar_remapping_structure(cp, remaining);
1214 		if (consumed <= 0)
1215 			break;
1216 		else
1217 			remaining -= consumed;
1218 	}
1219 
1220 	printf(END_COMMENT);
1221 }
1222 
1223 static void
1224 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
1225 {
1226 
1227 	printf("\tFlags={");
1228 	if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
1229 		printf("ENABLED");
1230 	else
1231 		printf("DISABLED");
1232 	if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
1233 		printf(",HOT_PLUGGABLE");
1234 	if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE)
1235 		printf(",NON_VOLATILE");
1236 	printf("}\n");
1237 	printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress);
1238 	printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length);
1239 	printf("\tProximity Domain=%d\n", mp->ProximityDomain);
1240 }
1241 
1242 static const char *srat_types[] = {
1243     [ACPI_SRAT_TYPE_CPU_AFFINITY] = "CPU",
1244     [ACPI_SRAT_TYPE_MEMORY_AFFINITY] = "Memory",
1245     [ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY] = "X2APIC",
1246     [ACPI_SRAT_TYPE_GICC_AFFINITY] = "GICC",
1247     [ACPI_SRAT_TYPE_GIC_ITS_AFFINITY] = "GIC ITS",
1248 };
1249 
1250 static void
1251 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
1252 {
1253 	ACPI_SRAT_CPU_AFFINITY *cpu;
1254 	ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
1255 	ACPI_SRAT_GICC_AFFINITY *gic;
1256 
1257 	if (srat->Type < nitems(srat_types))
1258 		printf("\tType=%s\n", srat_types[srat->Type]);
1259 	else
1260 		printf("\tType=%d (unknown)\n", srat->Type);
1261 	switch (srat->Type) {
1262 	case ACPI_SRAT_TYPE_CPU_AFFINITY:
1263 		cpu = (ACPI_SRAT_CPU_AFFINITY *)srat;
1264 		acpi_print_srat_cpu(cpu->ApicId,
1265 		    cpu->ProximityDomainHi[2] << 24 |
1266 		    cpu->ProximityDomainHi[1] << 16 |
1267 		    cpu->ProximityDomainHi[0] << 0 |
1268 		    cpu->ProximityDomainLo, cpu->Flags);
1269 		break;
1270 	case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
1271 		acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
1272 		break;
1273 	case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
1274 		x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat;
1275 		acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain,
1276 		    x2apic->Flags);
1277 		break;
1278 	case ACPI_SRAT_TYPE_GICC_AFFINITY:
1279 		gic = (ACPI_SRAT_GICC_AFFINITY *)srat;
1280 		acpi_print_srat_cpu(gic->AcpiProcessorUid, gic->ProximityDomain,
1281 		    gic->Flags);
1282 		break;
1283 	}
1284 }
1285 
1286 static void
1287 acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
1288 {
1289 	ACPI_TABLE_SRAT *srat;
1290 
1291 	printf(BEGIN_COMMENT);
1292 	acpi_print_sdt(sdp);
1293 	srat = (ACPI_TABLE_SRAT *)sdp;
1294 	printf("\tTable Revision=%d\n", srat->TableRevision);
1295 	acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat);
1296 	printf(END_COMMENT);
1297 }
1298 
1299 static const char *nfit_types[] = {
1300     [ACPI_NFIT_TYPE_SYSTEM_ADDRESS] = "System Address",
1301     [ACPI_NFIT_TYPE_MEMORY_MAP] = "Memory Map",
1302     [ACPI_NFIT_TYPE_INTERLEAVE] = "Interleave",
1303     [ACPI_NFIT_TYPE_SMBIOS] = "SMBIOS",
1304     [ACPI_NFIT_TYPE_CONTROL_REGION] = "Control Region",
1305     [ACPI_NFIT_TYPE_DATA_REGION] = "Data Region",
1306     [ACPI_NFIT_TYPE_FLUSH_ADDRESS] = "Flush Address"
1307 };
1308 
1309 
1310 static void
1311 acpi_print_nfit(ACPI_NFIT_HEADER *nfit)
1312 {
1313 	char *uuidstr;
1314 	uint32_t status;
1315 
1316 	ACPI_NFIT_SYSTEM_ADDRESS *sysaddr;
1317 	ACPI_NFIT_MEMORY_MAP *mmap;
1318 	ACPI_NFIT_INTERLEAVE *ileave;
1319 	ACPI_NFIT_SMBIOS *smbios;
1320 	ACPI_NFIT_CONTROL_REGION *ctlreg;
1321 	ACPI_NFIT_DATA_REGION *datareg;
1322 	ACPI_NFIT_FLUSH_ADDRESS *fladdr;
1323 
1324 	if (nfit->Type < nitems(nfit_types))
1325 		printf("\tType=%s\n", nfit_types[nfit->Type]);
1326 	else
1327 		printf("\tType=%u (unknown)\n", nfit->Type);
1328 	switch (nfit->Type) {
1329 	case ACPI_NFIT_TYPE_SYSTEM_ADDRESS:
1330 		sysaddr = (ACPI_NFIT_SYSTEM_ADDRESS *)nfit;
1331 		printf("\tRangeIndex=%u\n", (u_int)sysaddr->RangeIndex);
1332 		printf("\tProximityDomain=%u\n",
1333 		    (u_int)sysaddr->ProximityDomain);
1334 		uuid_to_string((uuid_t *)(sysaddr->RangeGuid),
1335 		    &uuidstr, &status);
1336 		if (status != uuid_s_ok)
1337 			errx(1, "uuid_to_string: status=%u", status);
1338 		printf("\tRangeGuid=%s\n", uuidstr);
1339 		free(uuidstr);
1340 		printf("\tAddress=0x%016jx\n", (uintmax_t)sysaddr->Address);
1341 		printf("\tLength=0x%016jx\n", (uintmax_t)sysaddr->Length);
1342 		printf("\tMemoryMapping=0x%016jx\n",
1343 		    (uintmax_t)sysaddr->MemoryMapping);
1344 
1345 #define PRINTFLAG(var, flag)	printflag((var), ACPI_NFIT_## flag, #flag)
1346 
1347 		printf("\tFlags=");
1348 		PRINTFLAG(sysaddr->Flags, ADD_ONLINE_ONLY);
1349 		PRINTFLAG(sysaddr->Flags, PROXIMITY_VALID);
1350 		PRINTFLAG_END();
1351 
1352 #undef PRINTFLAG
1353 
1354 		break;
1355 	case ACPI_NFIT_TYPE_MEMORY_MAP:
1356 		mmap = (ACPI_NFIT_MEMORY_MAP *)nfit;
1357 		printf("\tDeviceHandle=%u\n", (u_int)mmap->DeviceHandle);
1358 		printf("\tPhysicalId=%u\n", (u_int)mmap->PhysicalId);
1359 		printf("\tRegionId=%u\n", (u_int)mmap->RegionId);
1360 		printf("\tRangeIndex=%u\n", (u_int)mmap->RangeIndex);
1361 		printf("\tRegionIndex=%u\n", (u_int)mmap->RegionIndex);
1362 		printf("\tRegionSize=0x%016jx\n", (uintmax_t)mmap->RegionSize);
1363 		printf("\tRegionOffset=0x%016jx\n",
1364 		    (uintmax_t)mmap->RegionOffset);
1365 		printf("\tAddress=0x%016jx\n", (uintmax_t)mmap->Address);
1366 		printf("\tInterleaveIndex=%u\n", (u_int)mmap->InterleaveIndex);
1367 		printf("\tInterleaveWays=%u\n", (u_int)mmap->InterleaveWays);
1368 
1369 #define PRINTFLAG(var, flag)	printflag((var), ACPI_NFIT_MEM_## flag, #flag)
1370 
1371 		printf("\tFlags=");
1372 		PRINTFLAG(mmap->Flags, SAVE_FAILED);
1373 		PRINTFLAG(mmap->Flags, RESTORE_FAILED);
1374 		PRINTFLAG(mmap->Flags, FLUSH_FAILED);
1375 		PRINTFLAG(mmap->Flags, NOT_ARMED);
1376 		PRINTFLAG(mmap->Flags, HEALTH_OBSERVED);
1377 		PRINTFLAG(mmap->Flags, HEALTH_ENABLED);
1378 		PRINTFLAG(mmap->Flags, MAP_FAILED);
1379 		PRINTFLAG_END();
1380 
1381 #undef PRINTFLAG
1382 
1383 		break;
1384 	case ACPI_NFIT_TYPE_INTERLEAVE:
1385 		ileave = (ACPI_NFIT_INTERLEAVE *)nfit;
1386 		printf("\tInterleaveIndex=%u\n",
1387 		    (u_int)ileave->InterleaveIndex);
1388 		printf("\tLineCount=%u\n", (u_int)ileave->LineCount);
1389 		printf("\tLineSize=%u\n", (u_int)ileave->LineSize);
1390 		/* XXX ileave->LineOffset[i] output is not supported */
1391 		break;
1392 	case ACPI_NFIT_TYPE_SMBIOS:
1393 		smbios = (ACPI_NFIT_SMBIOS *)nfit;
1394 		/* XXX smbios->Data[x] output is not supported */
1395 		break;
1396 	case ACPI_NFIT_TYPE_CONTROL_REGION:
1397 		ctlreg = (ACPI_NFIT_CONTROL_REGION *)nfit;
1398 		printf("\tRegionIndex=%u\n", (u_int)ctlreg->RegionIndex);
1399 		printf("\tVendorId=0x%04x\n", (u_int)ctlreg->VendorId);
1400 		printf("\tDeviceId=0x%04x\n", (u_int)ctlreg->DeviceId);
1401 		printf("\tRevisionId=%u\n", (u_int)ctlreg->RevisionId);
1402 		printf("\tSubsystemVendorId=0x%04x\n",
1403 		    (u_int)ctlreg->SubsystemVendorId);
1404 		printf("\tSubsystemDeviceId=0x%04x\n",
1405 		    (u_int)ctlreg->SubsystemDeviceId);
1406 		printf("\tSubsystemRevisionId=%u\n",
1407 		    (u_int)ctlreg->SubsystemRevisionId);
1408 		printf("\tValidFields=0x%02x\n", (u_int)ctlreg->ValidFields);
1409 		printf("\tManufacturingLocation=%u\n",
1410 		    (u_int)ctlreg->ManufacturingLocation);
1411 		printf("\tManufacturingDate=%u\n",
1412 		    (u_int)ctlreg->ManufacturingDate);
1413 		printf("\tSerialNumber=%u\n",
1414 		    (u_int)ctlreg->SerialNumber);
1415 		printf("\tCode=0x%04x\n", (u_int)ctlreg->Code);
1416 		printf("\tWindows=%u\n", (u_int)ctlreg->Windows);
1417 		printf("\tWindowSize=0x%016jx\n",
1418 		    (uintmax_t)ctlreg->WindowSize);
1419 		printf("\tCommandOffset=0x%016jx\n",
1420 		    (uintmax_t)ctlreg->CommandOffset);
1421 		printf("\tCommandSize=0x%016jx\n",
1422 		    (uintmax_t)ctlreg->CommandSize);
1423 		printf("\tStatusOffset=0x%016jx\n",
1424 		    (uintmax_t)ctlreg->StatusOffset);
1425 		printf("\tStatusSize=0x%016jx\n",
1426 		    (uintmax_t)ctlreg->StatusSize);
1427 
1428 #define PRINTFLAG(var, flag)	printflag((var), ACPI_NFIT_## flag, #flag)
1429 
1430 		printf("\tFlags=");
1431 		PRINTFLAG(ctlreg->Flags, CONTROL_BUFFERED);
1432 		PRINTFLAG_END();
1433 
1434 #undef PRINTFLAG
1435 
1436 		break;
1437 	case ACPI_NFIT_TYPE_DATA_REGION:
1438 		datareg = (ACPI_NFIT_DATA_REGION *)nfit;
1439 		printf("\tRegionIndex=%u\n", (u_int)datareg->RegionIndex);
1440 		printf("\tWindows=%u\n", (u_int)datareg->Windows);
1441 		printf("\tOffset=0x%016jx\n", (uintmax_t)datareg->Offset);
1442 		printf("\tSize=0x%016jx\n", (uintmax_t)datareg->Size);
1443 		printf("\tCapacity=0x%016jx\n", (uintmax_t)datareg->Capacity);
1444 		printf("\tStartAddress=0x%016jx\n",
1445 		    (uintmax_t)datareg->StartAddress);
1446 		break;
1447 	case ACPI_NFIT_TYPE_FLUSH_ADDRESS:
1448 		fladdr = (ACPI_NFIT_FLUSH_ADDRESS *)nfit;
1449 		printf("\tDeviceHandle=%u\n", (u_int)fladdr->DeviceHandle);
1450 		printf("\tHintCount=%u\n", (u_int)fladdr->HintCount);
1451 		/* XXX fladdr->HintAddress[i] output is not supported */
1452 		break;
1453 	}
1454 }
1455 
1456 static void
1457 acpi_handle_nfit(ACPI_TABLE_HEADER *sdp)
1458 {
1459 	ACPI_TABLE_NFIT *nfit;
1460 
1461 	printf(BEGIN_COMMENT);
1462 	acpi_print_sdt(sdp);
1463 	nfit = (ACPI_TABLE_NFIT *)sdp;
1464 	acpi_walk_nfit(sdp, (nfit + 1), acpi_print_nfit);
1465 	printf(END_COMMENT);
1466 }
1467 
1468 static void
1469 acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
1470 {
1471 	printf("  ");
1472 	acpi_print_string(sdp->Signature, ACPI_NAMESEG_SIZE);
1473 	printf(": Length=%d, Revision=%d, Checksum=%d,\n",
1474 	       sdp->Length, sdp->Revision, sdp->Checksum);
1475 	printf("\tOEMID=");
1476 	acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE);
1477 	printf(", OEM Table ID=");
1478 	acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE);
1479 	printf(", OEM Revision=0x%x,\n", sdp->OemRevision);
1480 	printf("\tCreator ID=");
1481 	acpi_print_string(sdp->AslCompilerId, ACPI_NAMESEG_SIZE);
1482 	printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision);
1483 }
1484 
1485 static void
1486 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
1487 {
1488 	ACPI_TABLE_RSDT *rsdt;
1489 	ACPI_TABLE_XSDT *xsdt;
1490 	int	i, entries;
1491 
1492 	rsdt = (ACPI_TABLE_RSDT *)rsdp;
1493 	xsdt = (ACPI_TABLE_XSDT *)rsdp;
1494 	printf(BEGIN_COMMENT);
1495 	acpi_print_sdt(rsdp);
1496 	entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1497 	printf("\tEntries={ ");
1498 	for (i = 0; i < entries; i++) {
1499 		if (i > 0)
1500 			printf(", ");
1501 		if (addr_size == 4)
1502 			printf("0x%08x", le32toh(rsdt->TableOffsetEntry[i]));
1503 		else
1504 			printf("0x%016jx",
1505 			    (uintmax_t)le64toh(xsdt->TableOffsetEntry[i]));
1506 	}
1507 	printf(" }\n");
1508 	printf(END_COMMENT);
1509 }
1510 
1511 static const char *acpi_pm_profiles[] = {
1512 	"Unspecified", "Desktop", "Mobile", "Workstation",
1513 	"Enterprise Server", "SOHO Server", "Appliance PC"
1514 };
1515 
1516 static void
1517 acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
1518 {
1519 	ACPI_TABLE_FADT *fadt;
1520 	const char *pm;
1521 
1522 	fadt = (ACPI_TABLE_FADT *)sdp;
1523 	printf(BEGIN_COMMENT);
1524 	acpi_print_sdt(sdp);
1525 	printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs,
1526 	       fadt->Dsdt);
1527 	printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
1528 	if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
1529 		pm = "Reserved";
1530 	else
1531 		pm = acpi_pm_profiles[fadt->PreferredProfile];
1532 	printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile);
1533 	printf("\tSCI_INT=%d\n", fadt->SciInterrupt);
1534 	printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand);
1535 	printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable);
1536 	printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable);
1537 	printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest);
1538 	printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl);
1539 	printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
1540 	       fadt->Pm1aEventBlock,
1541 	       fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1);
1542 	if (fadt->Pm1bEventBlock != 0)
1543 		printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
1544 		       fadt->Pm1bEventBlock,
1545 		       fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1);
1546 	printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
1547 	       fadt->Pm1aControlBlock,
1548 	       fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1);
1549 	if (fadt->Pm1bControlBlock != 0)
1550 		printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
1551 		       fadt->Pm1bControlBlock,
1552 		       fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1);
1553 	if (fadt->Pm2ControlBlock != 0)
1554 		printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
1555 		       fadt->Pm2ControlBlock,
1556 		       fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1);
1557 	printf("\tPM_TMR_BLK=0x%x-0x%x\n",
1558 	       fadt->PmTimerBlock,
1559 	       fadt->PmTimerBlock + fadt->PmTimerLength - 1);
1560 	if (fadt->Gpe0Block != 0)
1561 		printf("\tGPE0_BLK=0x%x-0x%x\n",
1562 		       fadt->Gpe0Block,
1563 		       fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
1564 	if (fadt->Gpe1Block != 0)
1565 		printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
1566 		       fadt->Gpe1Block,
1567 		       fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
1568 		       fadt->Gpe1Base);
1569 	if (fadt->CstControl != 0)
1570 		printf("\tCST_CNT=0x%x\n", fadt->CstControl);
1571 	printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
1572 	       fadt->C2Latency, fadt->C3Latency);
1573 	printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
1574 	       fadt->FlushSize, fadt->FlushStride);
1575 	printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
1576 	       fadt->DutyOffset, fadt->DutyWidth);
1577 	printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
1578 	       fadt->DayAlarm, fadt->MonthAlarm, fadt->Century);
1579 
1580 #define PRINTFLAG(var, flag)	printflag((var), ACPI_FADT_## flag, #flag)
1581 
1582 	printf("\tIAPC_BOOT_ARCH=");
1583 	PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES);
1584 	PRINTFLAG(fadt->BootFlags, 8042);
1585 	PRINTFLAG(fadt->BootFlags, NO_VGA);
1586 	PRINTFLAG(fadt->BootFlags, NO_MSI);
1587 	PRINTFLAG(fadt->BootFlags, NO_ASPM);
1588 	PRINTFLAG(fadt->BootFlags, NO_CMOS_RTC);
1589 	PRINTFLAG_END();
1590 
1591 	printf("\tFlags=");
1592 	PRINTFLAG(fadt->Flags, WBINVD);
1593 	PRINTFLAG(fadt->Flags, WBINVD_FLUSH);
1594 	PRINTFLAG(fadt->Flags, C1_SUPPORTED);
1595 	PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED);
1596 	PRINTFLAG(fadt->Flags, POWER_BUTTON);
1597 	PRINTFLAG(fadt->Flags, SLEEP_BUTTON);
1598 	PRINTFLAG(fadt->Flags, FIXED_RTC);
1599 	PRINTFLAG(fadt->Flags, S4_RTC_WAKE);
1600 	PRINTFLAG(fadt->Flags, 32BIT_TIMER);
1601 	PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED);
1602 	PRINTFLAG(fadt->Flags, RESET_REGISTER);
1603 	PRINTFLAG(fadt->Flags, SEALED_CASE);
1604 	PRINTFLAG(fadt->Flags, HEADLESS);
1605 	PRINTFLAG(fadt->Flags, SLEEP_TYPE);
1606 	PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE);
1607 	PRINTFLAG(fadt->Flags, PLATFORM_CLOCK);
1608 	PRINTFLAG(fadt->Flags, S4_RTC_VALID);
1609 	PRINTFLAG(fadt->Flags, REMOTE_POWER_ON);
1610 	PRINTFLAG(fadt->Flags, APIC_CLUSTER);
1611 	PRINTFLAG(fadt->Flags, APIC_PHYSICAL);
1612 	PRINTFLAG(fadt->Flags, HW_REDUCED);
1613 	PRINTFLAG(fadt->Flags, LOW_POWER_S0);
1614 	PRINTFLAG_END();
1615 
1616 #undef PRINTFLAG
1617 
1618 	if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
1619 		printf("\tRESET_REG=");
1620 		acpi_print_gas(&fadt->ResetRegister);
1621 		printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
1622 	}
1623 	if (acpi_get_fadt_revision(fadt) > 1) {
1624 		printf("\tX_FACS=0x%016jx, ", (uintmax_t)fadt->XFacs);
1625 		printf("X_DSDT=0x%016jx\n", (uintmax_t)fadt->XDsdt);
1626 		printf("\tX_PM1a_EVT_BLK=");
1627 		acpi_print_gas(&fadt->XPm1aEventBlock);
1628 		if (fadt->XPm1bEventBlock.Address != 0) {
1629 			printf("\n\tX_PM1b_EVT_BLK=");
1630 			acpi_print_gas(&fadt->XPm1bEventBlock);
1631 		}
1632 		printf("\n\tX_PM1a_CNT_BLK=");
1633 		acpi_print_gas(&fadt->XPm1aControlBlock);
1634 		if (fadt->XPm1bControlBlock.Address != 0) {
1635 			printf("\n\tX_PM1b_CNT_BLK=");
1636 			acpi_print_gas(&fadt->XPm1bControlBlock);
1637 		}
1638 		if (fadt->XPm2ControlBlock.Address != 0) {
1639 			printf("\n\tX_PM2_CNT_BLK=");
1640 			acpi_print_gas(&fadt->XPm2ControlBlock);
1641 		}
1642 		printf("\n\tX_PM_TMR_BLK=");
1643 		acpi_print_gas(&fadt->XPmTimerBlock);
1644 		if (fadt->XGpe0Block.Address != 0) {
1645 			printf("\n\tX_GPE0_BLK=");
1646 			acpi_print_gas(&fadt->XGpe0Block);
1647 		}
1648 		if (fadt->XGpe1Block.Address != 0) {
1649 			printf("\n\tX_GPE1_BLK=");
1650 			acpi_print_gas(&fadt->XGpe1Block);
1651 		}
1652 		printf("\n");
1653 	}
1654 
1655 	printf(END_COMMENT);
1656 }
1657 
1658 static void
1659 acpi_print_facs(ACPI_TABLE_FACS *facs)
1660 {
1661 	printf(BEGIN_COMMENT);
1662 	printf("  FACS:\tLength=%u, ", facs->Length);
1663 	printf("HwSig=0x%08x, ", facs->HardwareSignature);
1664 	printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector);
1665 
1666 	printf("\tGlobal_Lock=");
1667 	if (facs->GlobalLock != 0) {
1668 		if (facs->GlobalLock & ACPI_GLOCK_PENDING)
1669 			printf("PENDING,");
1670 		if (facs->GlobalLock & ACPI_GLOCK_OWNED)
1671 			printf("OWNED");
1672 	}
1673 	printf("\n");
1674 
1675 	printf("\tFlags=");
1676 	if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
1677 		printf("S4BIOS");
1678 	printf("\n");
1679 
1680 	if (facs->XFirmwareWakingVector != 0)
1681 		printf("\tX_Firm_Wake_Vec=%016jx\n",
1682 		    (uintmax_t)facs->XFirmwareWakingVector);
1683 	printf("\tVersion=%u\n", facs->Version);
1684 
1685 	printf(END_COMMENT);
1686 }
1687 
1688 static void
1689 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1690 {
1691 	printf(BEGIN_COMMENT);
1692 	acpi_print_sdt(dsdp);
1693 	printf(END_COMMENT);
1694 }
1695 
1696 int
1697 acpi_checksum(void *p, size_t length)
1698 {
1699 	uint8_t *bp;
1700 	uint8_t sum;
1701 
1702 	bp = p;
1703 	sum = 0;
1704 	while (length--)
1705 		sum += *bp++;
1706 
1707 	return (sum);
1708 }
1709 
1710 static ACPI_TABLE_HEADER *
1711 acpi_map_sdt(vm_offset_t pa)
1712 {
1713 	ACPI_TABLE_HEADER *sp;
1714 
1715 	sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
1716 	sp = acpi_map_physical(pa, sp->Length);
1717 	return (sp);
1718 }
1719 
1720 static void
1721 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
1722 {
1723 	printf(BEGIN_COMMENT);
1724 	printf("  RSD PTR: OEM=");
1725 	acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE);
1726 	printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x",
1727 	       rp->Revision);
1728 	if (rp->Revision < 2) {
1729 		printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
1730 		    rp->Checksum);
1731 	} else {
1732 		printf("\tXSDT=0x%016jx, length=%u, cksum=%u\n",
1733 		    (uintmax_t)rp->XsdtPhysicalAddress, rp->Length,
1734 		    rp->ExtendedChecksum);
1735 	}
1736 	printf(END_COMMENT);
1737 }
1738 
1739 static void
1740 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
1741 {
1742 	ACPI_TABLE_HEADER *sdp;
1743 	ACPI_TABLE_RSDT *rsdt;
1744 	ACPI_TABLE_XSDT *xsdt;
1745 	vm_offset_t addr;
1746 	int entries, i;
1747 
1748 	acpi_print_rsdt(rsdp);
1749 	rsdt = (ACPI_TABLE_RSDT *)rsdp;
1750 	xsdt = (ACPI_TABLE_XSDT *)rsdp;
1751 	entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1752 	for (i = 0; i < entries; i++) {
1753 		if (addr_size == 4)
1754 			addr = le32toh(rsdt->TableOffsetEntry[i]);
1755 		else
1756 			addr = le64toh(xsdt->TableOffsetEntry[i]);
1757 		if (addr == 0)
1758 			continue;
1759 		sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1760 		if (acpi_checksum(sdp, sdp->Length)) {
1761 			warnx("RSDT entry %d (sig %.4s) is corrupt", i,
1762 			    sdp->Signature);
1763 			continue;
1764 		}
1765 		if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4))
1766 			acpi_handle_fadt(sdp);
1767 		else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4))
1768 			acpi_handle_madt(sdp);
1769 		else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4))
1770 			acpi_handle_hpet(sdp);
1771 		else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
1772 			acpi_handle_ecdt(sdp);
1773 		else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
1774 			acpi_handle_mcfg(sdp);
1775 		else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4))
1776 			acpi_handle_slit(sdp);
1777 		else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4))
1778 			acpi_handle_srat(sdp);
1779 		else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4))
1780 			acpi_handle_tcpa(sdp);
1781 		else if (!memcmp(sdp->Signature, ACPI_SIG_DMAR, 4))
1782 			acpi_handle_dmar(sdp);
1783 		else if (!memcmp(sdp->Signature, ACPI_SIG_NFIT, 4))
1784 			acpi_handle_nfit(sdp);
1785 		else if (!memcmp(sdp->Signature, ACPI_SIG_WDDT, 4))
1786 			acpi_handle_wddt(sdp);
1787 		else if (!memcmp(sdp->Signature, ACPI_SIG_LPIT, 4))
1788 			acpi_handle_lpit(sdp);
1789 		else if (!memcmp(sdp->Signature, ACPI_SIG_TPM2, 4))
1790 			acpi_handle_tpm2(sdp);
1791 		else {
1792 			printf(BEGIN_COMMENT);
1793 			acpi_print_sdt(sdp);
1794 			printf(END_COMMENT);
1795 		}
1796 	}
1797 }
1798 
1799 ACPI_TABLE_HEADER *
1800 sdt_load_devmem(void)
1801 {
1802 	ACPI_TABLE_RSDP *rp;
1803 	ACPI_TABLE_HEADER *rsdp;
1804 
1805 	rp = acpi_find_rsd_ptr();
1806 	if (!rp)
1807 		errx(1, "Can't find ACPI information");
1808 
1809 	if (tflag)
1810 		acpi_print_rsd_ptr(rp);
1811 	if (rp->Revision < 2) {
1812 		rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress);
1813 		if (memcmp(rsdp->Signature, "RSDT", 4) != 0 ||
1814 		    acpi_checksum(rsdp, rsdp->Length) != 0)
1815 			errx(1, "RSDT is corrupted");
1816 		addr_size = sizeof(uint32_t);
1817 	} else {
1818 		rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
1819 		if (memcmp(rsdp->Signature, "XSDT", 4) != 0 ||
1820 		    acpi_checksum(rsdp, rsdp->Length) != 0)
1821 			errx(1, "XSDT is corrupted");
1822 		addr_size = sizeof(uint64_t);
1823 	}
1824 	return (rsdp);
1825 }
1826 
1827 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
1828 static int
1829 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
1830 {
1831 	ACPI_TABLE_HEADER sdt;
1832 	ACPI_TABLE_HEADER *ssdt;
1833 	uint8_t sum;
1834 
1835 	/* Create a new checksum to account for the DSDT and any SSDTs. */
1836 	sdt = *dsdt;
1837 	if (rsdt != NULL) {
1838 		sdt.Checksum = 0;
1839 		sum = acpi_checksum(dsdt + 1, dsdt->Length -
1840 		    sizeof(ACPI_TABLE_HEADER));
1841 		ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
1842 		while (ssdt != NULL) {
1843 			sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER);
1844 			sum += acpi_checksum(ssdt + 1,
1845 			    ssdt->Length - sizeof(ACPI_TABLE_HEADER));
1846 			ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
1847 		}
1848 		sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
1849 		sdt.Checksum -= sum;
1850 	}
1851 
1852 	/* Write out the DSDT header and body. */
1853 	write(fd, &sdt, sizeof(ACPI_TABLE_HEADER));
1854 	write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER));
1855 
1856 	/* Write out any SSDTs (if present.) */
1857 	if (rsdt != NULL) {
1858 		ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
1859 		while (ssdt != NULL) {
1860 			write(fd, ssdt + 1, ssdt->Length -
1861 			    sizeof(ACPI_TABLE_HEADER));
1862 			ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
1863 		}
1864 	}
1865 	return (0);
1866 }
1867 
1868 void
1869 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1870 {
1871 	int	fd;
1872 	mode_t	mode;
1873 
1874 	assert(outfile != NULL);
1875 	mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
1876 	fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
1877 	if (fd == -1) {
1878 		perror("dsdt_save_file");
1879 		return;
1880 	}
1881 	write_dsdt(fd, rsdt, dsdp);
1882 	close(fd);
1883 }
1884 
1885 void
1886 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1887 {
1888 	char buf[PATH_MAX], tmpstr[PATH_MAX], wrkdir[PATH_MAX];
1889 	const char *iname = "/acpdump.din";
1890 	const char *oname = "/acpdump.dsl";
1891 	const char *tmpdir;
1892 	FILE *fp;
1893 	size_t len;
1894 	int fd, status;
1895 	pid_t pid;
1896 
1897 	tmpdir = getenv("TMPDIR");
1898 	if (tmpdir == NULL)
1899 		tmpdir = _PATH_TMP;
1900 	if (realpath(tmpdir, buf) == NULL) {
1901 		perror("realpath tmp dir");
1902 		return;
1903 	}
1904 	len = sizeof(wrkdir) - strlen(iname);
1905 	if ((size_t)snprintf(wrkdir, len, "%s/acpidump.XXXXXX", buf) > len-1 ) {
1906 		fprintf(stderr, "$TMPDIR too long\n");
1907 		return;
1908 	}
1909 	if  (mkdtemp(wrkdir) == NULL) {
1910 		perror("mkdtemp tmp working dir");
1911 		return;
1912 	}
1913 	len = (size_t)snprintf(tmpstr, sizeof(tmpstr), "%s%s", wrkdir, iname);
1914 	assert(len <= sizeof(tmpstr) - 1);
1915 	fd = open(tmpstr, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
1916 	if (fd < 0) {
1917 		perror("iasl tmp file");
1918 		return;
1919 	}
1920 	write_dsdt(fd, rsdt, dsdp);
1921 	close(fd);
1922 
1923 	/* Run iasl -d on the temp file */
1924 	if ((pid = fork()) == 0) {
1925 		close(STDOUT_FILENO);
1926 		if (vflag == 0)
1927 			close(STDERR_FILENO);
1928 		execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL);
1929 		err(1, "exec");
1930 	}
1931 	if (pid > 0)
1932 		wait(&status);
1933 	if (unlink(tmpstr) < 0) {
1934 		perror("unlink");
1935 		goto out;
1936 	}
1937 	if (pid < 0) {
1938 		perror("fork");
1939 		goto out;
1940 	}
1941 	if (status != 0) {
1942 		fprintf(stderr, "iast exit status = %d\n", status);
1943 	}
1944 
1945 	/* Dump iasl's output to stdout */
1946 	len = (size_t)snprintf(tmpstr, sizeof(tmpstr), "%s%s", wrkdir, oname);
1947 	assert(len <= sizeof(tmpstr) - 1);
1948 	fp = fopen(tmpstr, "r");
1949 	if (unlink(tmpstr) < 0) {
1950 		perror("unlink");
1951 		goto out;
1952 	}
1953 	if (fp == NULL) {
1954 		perror("iasl tmp file (read)");
1955 		goto out;
1956 	}
1957 	while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
1958 		fwrite(buf, 1, len, stdout);
1959 	fclose(fp);
1960 
1961     out:
1962 	if (rmdir(wrkdir) < 0)
1963 		perror("rmdir");
1964 }
1965 
1966 void
1967 sdt_print_all(ACPI_TABLE_HEADER *rsdp)
1968 {
1969 	acpi_handle_rsdt(rsdp);
1970 }
1971 
1972 /* Fetch a table matching the given signature via the RSDT. */
1973 ACPI_TABLE_HEADER *
1974 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
1975 {
1976 	ACPI_TABLE_HEADER *sdt;
1977 	ACPI_TABLE_RSDT *rsdt;
1978 	ACPI_TABLE_XSDT *xsdt;
1979 	vm_offset_t addr;
1980 	int entries, i;
1981 
1982 	rsdt = (ACPI_TABLE_RSDT *)rsdp;
1983 	xsdt = (ACPI_TABLE_XSDT *)rsdp;
1984 	entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1985 	for (i = 0; i < entries; i++) {
1986 		if (addr_size == 4)
1987 			addr = le32toh(rsdt->TableOffsetEntry[i]);
1988 		else
1989 			addr = le64toh(xsdt->TableOffsetEntry[i]);
1990 		if (addr == 0)
1991 			continue;
1992 		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1993 		if (last != NULL) {
1994 			if (sdt == last)
1995 				last = NULL;
1996 			continue;
1997 		}
1998 		if (memcmp(sdt->Signature, sig, strlen(sig)))
1999 			continue;
2000 		if (acpi_checksum(sdt, sdt->Length))
2001 			errx(1, "RSDT entry %d is corrupt", i);
2002 		return (sdt);
2003 	}
2004 
2005 	return (NULL);
2006 }
2007 
2008 ACPI_TABLE_HEADER *
2009 dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
2010 {
2011 	ACPI_TABLE_HEADER	*sdt;
2012 
2013 	/* Use the DSDT address if it is version 1, otherwise use XDSDT. */
2014 	if (acpi_get_fadt_revision(fadt) == 1)
2015 		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
2016 	else
2017 		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
2018 	if (acpi_checksum(sdt, sdt->Length))
2019 		errx(1, "DSDT is corrupt\n");
2020 	return (sdt);
2021 }
2022