xref: /freebsd/usr.sbin/acpi/acpidump/acpi.c (revision f05cddf9)
1 /*-
2  * Copyright (c) 1998 Doug Rabson
3  * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  *	$FreeBSD$
28  */
29 
30 #include <sys/param.h>
31 #include <sys/endian.h>
32 #include <sys/stat.h>
33 #include <sys/wait.h>
34 #include <assert.h>
35 #include <err.h>
36 #include <fcntl.h>
37 #include <paths.h>
38 #include <stdio.h>
39 #include <stdint.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 
44 #include "acpidump.h"
45 
46 #define BEGIN_COMMENT	"/*\n"
47 #define END_COMMENT	" */\n"
48 
49 static void	acpi_print_string(char *s, size_t length);
50 static void	acpi_print_gas(ACPI_GENERIC_ADDRESS *gas);
51 static int	acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt);
52 static void	acpi_handle_fadt(ACPI_TABLE_HEADER *fadt);
53 static void	acpi_print_cpu(u_char cpu_id);
54 static void	acpi_print_cpu_uid(uint32_t uid, char *uid_string);
55 static void	acpi_print_local_apic(uint32_t apic_id, uint32_t flags);
56 static void	acpi_print_io_apic(uint32_t apic_id, uint32_t int_base,
57 		    uint64_t apic_addr);
58 static void	acpi_print_mps_flags(uint16_t flags);
59 static void	acpi_print_intr(uint32_t intr, uint16_t mps_flags);
60 static void	acpi_print_local_nmi(u_int lint, uint16_t mps_flags);
61 static void	acpi_print_madt(ACPI_SUBTABLE_HEADER *mp);
62 static void	acpi_handle_madt(ACPI_TABLE_HEADER *sdp);
63 static void	acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp);
64 static void	acpi_handle_hpet(ACPI_TABLE_HEADER *sdp);
65 static void	acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp);
66 static void	acpi_handle_slit(ACPI_TABLE_HEADER *sdp);
67 static void	acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
68 		    uint32_t flags);
69 static void	acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp);
70 static void	acpi_print_srat(ACPI_SUBTABLE_HEADER *srat);
71 static void	acpi_handle_srat(ACPI_TABLE_HEADER *sdp);
72 static void	acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp);
73 static void	acpi_print_sdt(ACPI_TABLE_HEADER *sdp);
74 static void	acpi_print_fadt(ACPI_TABLE_HEADER *sdp);
75 static void	acpi_print_facs(ACPI_TABLE_FACS *facs);
76 static void	acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp);
77 static ACPI_TABLE_HEADER *acpi_map_sdt(vm_offset_t pa);
78 static void	acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp);
79 static void	acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp);
80 static void	acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
81 		    void (*action)(ACPI_SUBTABLE_HEADER *));
82 
83 /* Size of an address. 32-bit for ACPI 1.0, 64-bit for ACPI 2.0 and up. */
84 static int addr_size;
85 
86 /* Strings used in the TCPA table */
87 static const char *tcpa_event_type_strings[] = {
88 	"PREBOOT Certificate",
89 	"POST Code",
90 	"Unused",
91 	"No Action",
92 	"Separator",
93 	"Action",
94 	"Event Tag",
95 	"S-CRTM Contents",
96 	"S-CRTM Version",
97 	"CPU Microcode",
98 	"Platform Config Flags",
99 	"Table of Devices",
100 	"Compact Hash",
101 	"IPL",
102 	"IPL Partition Data",
103 	"Non-Host Code",
104 	"Non-Host Config",
105 	"Non-Host Info"
106 };
107 
108 static const char *TCPA_pcclient_strings[] = {
109 	"<undefined>",
110 	"SMBIOS",
111 	"BIS Certificate",
112 	"POST BIOS ROM Strings",
113 	"ESCD",
114 	"CMOS",
115 	"NVRAM",
116 	"Option ROM Execute",
117 	"Option ROM Configurateion",
118 	"<undefined>",
119 	"Option ROM Microcode Update ",
120 	"S-CRTM Version String",
121 	"S-CRTM Contents",
122 	"POST Contents",
123 	"Table of Devices",
124 };
125 
126 #define	PRINTFLAG_END()		printflag_end()
127 
128 static char pf_sep = '{';
129 
130 static void
131 printflag_end(void)
132 {
133 
134 	if (pf_sep != '{') {
135 		printf("}");
136 		pf_sep = '{';
137 	}
138 	printf("\n");
139 }
140 
141 static void
142 printflag(uint64_t var, uint64_t mask, const char *name)
143 {
144 
145 	if (var & mask) {
146 		printf("%c%s", pf_sep, name);
147 		pf_sep = ',';
148 	}
149 }
150 
151 static void
152 acpi_print_string(char *s, size_t length)
153 {
154 	int	c;
155 
156 	/* Trim trailing spaces and NULLs */
157 	while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
158 		length--;
159 
160 	while (length--) {
161 		c = *s++;
162 		putchar(c);
163 	}
164 }
165 
166 static void
167 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
168 {
169 	switch(gas->SpaceId) {
170 	case ACPI_GAS_MEMORY:
171 		printf("0x%08lx:%u[%u] (Memory)", (u_long)gas->Address,
172 		       gas->BitOffset, gas->BitWidth);
173 		break;
174 	case ACPI_GAS_IO:
175 		printf("0x%02lx:%u[%u] (IO)", (u_long)gas->Address,
176 		       gas->BitOffset, gas->BitWidth);
177 		break;
178 	case ACPI_GAS_PCI:
179 		printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
180 		       (uint16_t)((gas->Address >> 16) & 0xffff),
181 		       (uint16_t)gas->Address);
182 		break;
183 	/* XXX How to handle these below? */
184 	case ACPI_GAS_EMBEDDED:
185 		printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
186 		       gas->BitOffset, gas->BitWidth);
187 		break;
188 	case ACPI_GAS_SMBUS:
189 		printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
190 		       gas->BitOffset, gas->BitWidth);
191 		break;
192 	case ACPI_GAS_CMOS:
193 	case ACPI_GAS_PCIBAR:
194 	case ACPI_GAS_DATATABLE:
195 	case ACPI_GAS_FIXED:
196 	default:
197 		printf("0x%08lx (?)", (u_long)gas->Address);
198 		break;
199 	}
200 }
201 
202 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
203 static int
204 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
205 {
206 	int fadt_revision;
207 
208 	/* Set the FADT revision separately from the RSDP version. */
209 	if (addr_size == 8) {
210 		fadt_revision = 2;
211 
212 		/*
213 		 * A few systems (e.g., IBM T23) have an RSDP that claims
214 		 * revision 2 but the 64 bit addresses are invalid.  If
215 		 * revision 2 and the 32 bit address is non-zero but the
216 		 * 32 and 64 bit versions don't match, prefer the 32 bit
217 		 * version for all subsequent tables.
218 		 */
219 		if (fadt->Facs != 0 &&
220 		    (fadt->XFacs & 0xffffffff) != fadt->Facs)
221 			fadt_revision = 1;
222 	} else
223 		fadt_revision = 1;
224 	return (fadt_revision);
225 }
226 
227 static void
228 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
229 {
230 	ACPI_TABLE_HEADER *dsdp;
231 	ACPI_TABLE_FACS	*facs;
232 	ACPI_TABLE_FADT *fadt;
233 	int		fadt_revision;
234 
235 	fadt = (ACPI_TABLE_FADT *)sdp;
236 	acpi_print_fadt(sdp);
237 
238 	fadt_revision = acpi_get_fadt_revision(fadt);
239 	if (fadt_revision == 1)
240 		facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs);
241 	else
242 		facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->XFacs);
243 	if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)
244 		errx(1, "FACS is corrupt");
245 	acpi_print_facs(facs);
246 
247 	if (fadt_revision == 1)
248 		dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
249 	else
250 		dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
251 	if (acpi_checksum(dsdp, dsdp->Length))
252 		errx(1, "DSDT is corrupt");
253 	acpi_print_dsdt(dsdp);
254 }
255 
256 static void
257 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
258     void (*action)(ACPI_SUBTABLE_HEADER *))
259 {
260 	ACPI_SUBTABLE_HEADER *subtable;
261 	char *end;
262 
263 	subtable = first;
264 	end = (char *)table + table->Length;
265 	while ((char *)subtable < end) {
266 		printf("\n");
267 		action(subtable);
268 		subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
269 		    subtable->Length);
270 	}
271 }
272 
273 static void
274 acpi_print_cpu(u_char cpu_id)
275 {
276 
277 	printf("\tACPI CPU=");
278 	if (cpu_id == 0xff)
279 		printf("ALL\n");
280 	else
281 		printf("%d\n", (u_int)cpu_id);
282 }
283 
284 static void
285 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
286 {
287 
288 	printf("\tUID=%d", uid);
289 	if (uid_string != NULL)
290 		printf(" (%s)", uid_string);
291 	printf("\n");
292 }
293 
294 static void
295 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
296 {
297 
298 	printf("\tFlags={");
299 	if (flags & ACPI_MADT_ENABLED)
300 		printf("ENABLED");
301 	else
302 		printf("DISABLED");
303 	printf("}\n");
304 	printf("\tAPIC ID=%d\n", apic_id);
305 }
306 
307 static void
308 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
309 {
310 
311 	printf("\tAPIC ID=%d\n", apic_id);
312 	printf("\tINT BASE=%d\n", int_base);
313 	printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
314 }
315 
316 static void
317 acpi_print_mps_flags(uint16_t flags)
318 {
319 
320 	printf("\tFlags={Polarity=");
321 	switch (flags & ACPI_MADT_POLARITY_MASK) {
322 	case ACPI_MADT_POLARITY_CONFORMS:
323 		printf("conforming");
324 		break;
325 	case ACPI_MADT_POLARITY_ACTIVE_HIGH:
326 		printf("active-hi");
327 		break;
328 	case ACPI_MADT_POLARITY_ACTIVE_LOW:
329 		printf("active-lo");
330 		break;
331 	default:
332 		printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
333 		break;
334 	}
335 	printf(", Trigger=");
336 	switch (flags & ACPI_MADT_TRIGGER_MASK) {
337 	case ACPI_MADT_TRIGGER_CONFORMS:
338 		printf("conforming");
339 		break;
340 	case ACPI_MADT_TRIGGER_EDGE:
341 		printf("edge");
342 		break;
343 	case ACPI_MADT_TRIGGER_LEVEL:
344 		printf("level");
345 		break;
346 	default:
347 		printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
348 	}
349 	printf("}\n");
350 }
351 
352 static void
353 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
354 {
355 
356 	printf("\tINTR=%d\n", intr);
357 	acpi_print_mps_flags(mps_flags);
358 }
359 
360 static void
361 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
362 {
363 
364 	printf("\tLINT Pin=%d\n", lint);
365 	acpi_print_mps_flags(mps_flags);
366 }
367 
368 static const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override",
369 				    "NMI", "Local APIC NMI",
370 				    "Local APIC Override", "IO SAPIC",
371 				    "Local SAPIC", "Platform Interrupt",
372 				    "Local X2APIC", "Local X2APIC NMI" };
373 static const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
374 					    "Corrected Platform Error" };
375 
376 static void
377 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
378 {
379 	ACPI_MADT_LOCAL_APIC *lapic;
380 	ACPI_MADT_IO_APIC *ioapic;
381 	ACPI_MADT_INTERRUPT_OVERRIDE *over;
382 	ACPI_MADT_NMI_SOURCE *nmi;
383 	ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi;
384 	ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over;
385 	ACPI_MADT_IO_SAPIC *iosapic;
386 	ACPI_MADT_LOCAL_SAPIC *lsapic;
387 	ACPI_MADT_INTERRUPT_SOURCE *isrc;
388 	ACPI_MADT_LOCAL_X2APIC *x2apic;
389 	ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi;
390 
391 	if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0]))
392 		printf("\tType=%s\n", apic_types[mp->Type]);
393 	else
394 		printf("\tType=%d (unknown)\n", mp->Type);
395 	switch (mp->Type) {
396 	case ACPI_MADT_TYPE_LOCAL_APIC:
397 		lapic = (ACPI_MADT_LOCAL_APIC *)mp;
398 		acpi_print_cpu(lapic->ProcessorId);
399 		acpi_print_local_apic(lapic->Id, lapic->LapicFlags);
400 		break;
401 	case ACPI_MADT_TYPE_IO_APIC:
402 		ioapic = (ACPI_MADT_IO_APIC *)mp;
403 		acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
404 		    ioapic->Address);
405 		break;
406 	case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
407 		over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp;
408 		printf("\tBUS=%d\n", (u_int)over->Bus);
409 		printf("\tIRQ=%d\n", (u_int)over->SourceIrq);
410 		acpi_print_intr(over->GlobalIrq, over->IntiFlags);
411 		break;
412 	case ACPI_MADT_TYPE_NMI_SOURCE:
413 		nmi = (ACPI_MADT_NMI_SOURCE *)mp;
414 		acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
415 		break;
416 	case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
417 		lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp;
418 		acpi_print_cpu(lapic_nmi->ProcessorId);
419 		acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags);
420 		break;
421 	case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
422 		lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp;
423 		printf("\tLocal APIC ADDR=0x%016jx\n",
424 		    (uintmax_t)lapic_over->Address);
425 		break;
426 	case ACPI_MADT_TYPE_IO_SAPIC:
427 		iosapic = (ACPI_MADT_IO_SAPIC *)mp;
428 		acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
429 		    iosapic->Address);
430 		break;
431 	case ACPI_MADT_TYPE_LOCAL_SAPIC:
432 		lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp;
433 		acpi_print_cpu(lsapic->ProcessorId);
434 		acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags);
435 		printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid);
436 		if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid))
437 			acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString);
438 		break;
439 	case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
440 		isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp;
441 		if (isrc->Type < sizeof(platform_int_types) /
442 		    sizeof(platform_int_types[0]))
443 			printf("\tType=%s\n", platform_int_types[isrc->Type]);
444 		else
445 			printf("\tType=%d (unknown)\n", isrc->Type);
446 		printf("\tAPIC ID=%d\n", (u_int)isrc->Id);
447 		printf("\tAPIC EID=%d\n", (u_int)isrc->Eid);
448 		printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector);
449 		acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags);
450 		break;
451 	case ACPI_MADT_TYPE_LOCAL_X2APIC:
452 		x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp;
453 		acpi_print_cpu_uid(x2apic->Uid, NULL);
454 		acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags);
455 		break;
456 	case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
457 		x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp;
458 		acpi_print_cpu_uid(x2apic_nmi->Uid, NULL);
459 		acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags);
460 		break;
461 	}
462 }
463 
464 static void
465 acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
466 {
467 	ACPI_TABLE_MADT *madt;
468 
469 	printf(BEGIN_COMMENT);
470 	acpi_print_sdt(sdp);
471 	madt = (ACPI_TABLE_MADT *)sdp;
472 	printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
473 	printf("\tFlags={");
474 	if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
475 		printf("PC-AT");
476 	printf("}\n");
477 	acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
478 	printf(END_COMMENT);
479 }
480 
481 static void
482 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
483 {
484 	ACPI_TABLE_HPET *hpet;
485 
486 	printf(BEGIN_COMMENT);
487 	acpi_print_sdt(sdp);
488 	hpet = (ACPI_TABLE_HPET *)sdp;
489 	printf("\tHPET Number=%d\n", hpet->Sequence);
490 	printf("\tADDR=");
491 	acpi_print_gas(&hpet->Address);
492 	printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID);
493 	printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >>
494 	    8);
495 	printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
496 	    1 : 0);
497 	printf("\tLegacy IRQ routing capable={");
498 	if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
499 		printf("TRUE}\n");
500 	else
501 		printf("FALSE}\n");
502 	printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
503 	printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
504 	printf(END_COMMENT);
505 }
506 
507 static void
508 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
509 {
510 	ACPI_TABLE_ECDT *ecdt;
511 
512 	printf(BEGIN_COMMENT);
513 	acpi_print_sdt(sdp);
514 	ecdt = (ACPI_TABLE_ECDT *)sdp;
515 	printf("\tEC_CONTROL=");
516 	acpi_print_gas(&ecdt->Control);
517 	printf("\n\tEC_DATA=");
518 	acpi_print_gas(&ecdt->Data);
519 	printf("\n\tUID=%#x, ", ecdt->Uid);
520 	printf("GPE_BIT=%#x\n", ecdt->Gpe);
521 	printf("\tEC_ID=%s\n", ecdt->Id);
522 	printf(END_COMMENT);
523 }
524 
525 static void
526 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
527 {
528 	ACPI_TABLE_MCFG *mcfg;
529 	ACPI_MCFG_ALLOCATION *alloc;
530 	u_int i, entries;
531 
532 	printf(BEGIN_COMMENT);
533 	acpi_print_sdt(sdp);
534 	mcfg = (ACPI_TABLE_MCFG *)sdp;
535 	entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) /
536 	    sizeof(ACPI_MCFG_ALLOCATION);
537 	alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
538 	for (i = 0; i < entries; i++, alloc++) {
539 		printf("\n");
540 		printf("\tBase Address=0x%016jx\n", (uintmax_t)alloc->Address);
541 		printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
542 		printf("\tStart Bus=%d\n", alloc->StartBusNumber);
543 		printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
544 	}
545 	printf(END_COMMENT);
546 }
547 
548 static void
549 acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
550 {
551 	ACPI_TABLE_SLIT *slit;
552 	UINT64 i, j;
553 
554 	printf(BEGIN_COMMENT);
555 	acpi_print_sdt(sdp);
556 	slit = (ACPI_TABLE_SLIT *)sdp;
557 	printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
558 	printf("\n\t      ");
559 	for (i = 0; i < slit->LocalityCount; i++)
560 		printf(" %3ju", (uintmax_t)i);
561 	printf("\n\t     +");
562 	for (i = 0; i < slit->LocalityCount; i++)
563 		printf("----");
564 	printf("\n");
565 	for (i = 0; i < slit->LocalityCount; i++) {
566 		printf("\t %3ju |", (uintmax_t)i);
567 		for (j = 0; j < slit->LocalityCount; j++)
568 			printf(" %3d",
569 			    slit->Entry[i * slit->LocalityCount + j]);
570 		printf("\n");
571 	}
572 	printf(END_COMMENT);
573 }
574 
575 static void
576 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
577     uint32_t flags)
578 {
579 
580 	printf("\tFlags={");
581 	if (flags & ACPI_SRAT_CPU_ENABLED)
582 		printf("ENABLED");
583 	else
584 		printf("DISABLED");
585 	printf("}\n");
586 	printf("\tAPIC ID=%d\n", apic_id);
587 	printf("\tProximity Domain=%d\n", proximity_domain);
588 }
589 
590 static char *
591 acpi_tcpa_evname(struct TCPAevent *event)
592 {
593 	struct TCPApc_event *pc_event;
594 	char *eventname = NULL;
595 
596 	pc_event = (struct TCPApc_event *)(event + 1);
597 
598 	switch(event->event_type) {
599 	case PREBOOT:
600 	case POST_CODE:
601 	case UNUSED:
602 	case NO_ACTION:
603 	case SEPARATOR:
604 	case SCRTM_CONTENTS:
605 	case SCRTM_VERSION:
606 	case CPU_MICROCODE:
607 	case PLATFORM_CONFIG_FLAGS:
608 	case TABLE_OF_DEVICES:
609 	case COMPACT_HASH:
610 	case IPL:
611 	case IPL_PARTITION_DATA:
612 	case NONHOST_CODE:
613 	case NONHOST_CONFIG:
614 	case NONHOST_INFO:
615 		asprintf(&eventname, "%s",
616 		    tcpa_event_type_strings[event->event_type]);
617 		break;
618 
619 	case ACTION:
620 		eventname = calloc(event->event_size + 1, sizeof(char));
621 		memcpy(eventname, pc_event, event->event_size);
622 		break;
623 
624 	case EVENT_TAG:
625 		switch (pc_event->event_id) {
626 		case SMBIOS:
627 		case BIS_CERT:
628 		case CMOS:
629 		case NVRAM:
630 		case OPTION_ROM_EXEC:
631 		case OPTION_ROM_CONFIG:
632 		case S_CRTM_VERSION:
633 		case POST_BIOS_ROM:
634 		case ESCD:
635 		case OPTION_ROM_MICROCODE:
636 		case S_CRTM_CONTENTS:
637 		case POST_CONTENTS:
638 			asprintf(&eventname, "%s",
639 			    TCPA_pcclient_strings[pc_event->event_id]);
640 			break;
641 
642 		default:
643 			asprintf(&eventname, "<unknown tag 0x%02x>",
644 			    pc_event->event_id);
645 			break;
646 		}
647 		break;
648 
649 	default:
650 		asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
651 		break;
652 	}
653 
654 	return eventname;
655 }
656 
657 static void
658 acpi_print_tcpa(struct TCPAevent *event)
659 {
660 	int i;
661 	char *eventname;
662 
663 	eventname = acpi_tcpa_evname(event);
664 
665 	printf("\t%d", event->pcr_index);
666 	printf(" 0x");
667 	for (i = 0; i < 20; i++)
668 		printf("%02x", event->pcr_value[i]);
669 	printf(" [%s]\n", eventname ? eventname : "<unknown>");
670 
671 	free(eventname);
672 }
673 
674 static void
675 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
676 {
677 	struct TCPAbody *tcpa;
678 	struct TCPAevent *event;
679 	uintmax_t len, paddr;
680 	unsigned char *vaddr = NULL;
681 	unsigned char *vend = NULL;
682 
683 	printf(BEGIN_COMMENT);
684 	acpi_print_sdt(sdp);
685 	tcpa = (struct TCPAbody *) sdp;
686 
687 	switch (tcpa->platform_class) {
688 	case ACPI_TCPA_BIOS_CLIENT:
689 		len = tcpa->client.log_max_len;
690 		paddr = tcpa->client.log_start_addr;
691 		break;
692 
693 	case ACPI_TCPA_BIOS_SERVER:
694 		len = tcpa->server.log_max_len;
695 		paddr = tcpa->server.log_start_addr;
696 		break;
697 
698 	default:
699 		printf("XXX");
700 		printf(END_COMMENT);
701 		return;
702 	}
703 	printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
704 	    tcpa->platform_class, paddr, len);
705 
706 	if (len == 0) {
707 		printf("\tEmpty TCPA table\n");
708 		printf(END_COMMENT);
709 		return;
710 	}
711 	if(sdp->Revision == 1){
712 		printf("\tOLD TCPA spec log found. Dumping not supported.\n");
713 		printf(END_COMMENT);
714 		return;
715 	}
716 
717 	vaddr = (unsigned char *)acpi_map_physical(paddr, len);
718 	vend = vaddr + len;
719 
720 	while (vaddr != NULL) {
721 		if ((vaddr + sizeof(struct TCPAevent) >= vend)||
722 		    (vaddr + sizeof(struct TCPAevent) < vaddr))
723 			break;
724 		event = (struct TCPAevent *)(void *)vaddr;
725 		if (vaddr + event->event_size >= vend)
726 			break;
727 		if (vaddr + event->event_size < vaddr)
728 			break;
729 		if (event->event_type == 0 && event->event_size == 0)
730 			break;
731 #if 0
732 		{
733 		unsigned int i, j, k;
734 
735 		printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr);
736 		for (j = 0, i = 0; i <
737 		    sizeof(struct TCPAevent) + event->event_size; i++) {
738 			printf("%02x ", vaddr[i]);
739 			if ((i+1) % 8 == 0) {
740 				for (k = 0; k < 8; k++)
741 					printf("%c", isprint(vaddr[j+k]) ?
742 					    vaddr[j+k] : '.');
743 				printf("\n\t\t%p ", &vaddr[i + 1]);
744 				j = i + 1;
745 			}
746 		}
747 		printf("\n"); }
748 #endif
749 		acpi_print_tcpa(event);
750 
751 		vaddr += sizeof(struct TCPAevent) + event->event_size;
752 	}
753 
754 	printf(END_COMMENT);
755 }
756 
757 static const char *
758 devscope_type2str(int type)
759 {
760 	static char typebuf[16];
761 
762 	switch (type) {
763 	case 1:
764 		return ("PCI Endpoint Device");
765 	case 2:
766 		return ("PCI Sub-Hierarchy");
767 	case 3:
768 		return ("IOAPIC");
769 	case 4:
770 		return ("HPET");
771 	default:
772 		snprintf(typebuf, sizeof(typebuf), "%d", type);
773 		return (typebuf);
774 	}
775 }
776 
777 static int
778 acpi_handle_dmar_devscope(void *addr, int remaining)
779 {
780 	char sep;
781 	int pathlen;
782 	ACPI_DMAR_PCI_PATH *path, *pathend;
783 	ACPI_DMAR_DEVICE_SCOPE *devscope = addr;
784 
785 	if (remaining < (int)sizeof(ACPI_DMAR_DEVICE_SCOPE))
786 		return (-1);
787 
788 	if (remaining < devscope->Length)
789 		return (-1);
790 
791 	printf("\n");
792 	printf("\t\tType=%s\n", devscope_type2str(devscope->EntryType));
793 	printf("\t\tLength=%d\n", devscope->Length);
794 	printf("\t\tEnumerationId=%d\n", devscope->EnumerationId);
795 	printf("\t\tStartBusNumber=%d\n", devscope->Bus);
796 
797 	path = (ACPI_DMAR_PCI_PATH *)(devscope + 1);
798 	pathlen = devscope->Length - sizeof(ACPI_DMAR_DEVICE_SCOPE);
799 	pathend = path + pathlen / sizeof(ACPI_DMAR_PCI_PATH);
800 	if (path < pathend) {
801 		sep = '{';
802 		printf("\t\tPath=");
803 		do {
804 			printf("%c%d:%d", sep, path->Device, path->Function);
805 			sep=',';
806 			path++;
807 		} while (path < pathend);
808 		printf("}\n");
809 	}
810 
811 	return (devscope->Length);
812 }
813 
814 static void
815 acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
816 {
817 	char *cp;
818 	int remaining, consumed;
819 
820 	printf("\n");
821 	printf("\tType=DRHD\n");
822 	printf("\tLength=%d\n", drhd->Header.Length);
823 
824 #define	PRINTFLAG(var, flag)	printflag((var), ACPI_DMAR_## flag, #flag)
825 
826 	printf("\tFlags=");
827 	PRINTFLAG(drhd->Flags, INCLUDE_ALL);
828 	PRINTFLAG_END();
829 
830 #undef PRINTFLAG
831 
832 	printf("\tSegment=%d\n", drhd->Segment);
833 	printf("\tAddress=0x%0jx\n", (uintmax_t)drhd->Address);
834 
835 	remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
836 	if (remaining > 0)
837 		printf("\tDevice Scope:");
838 	while (remaining > 0) {
839 		cp = (char *)drhd + drhd->Header.Length - remaining;
840 		consumed = acpi_handle_dmar_devscope(cp, remaining);
841 		if (consumed <= 0)
842 			break;
843 		else
844 			remaining -= consumed;
845 	}
846 }
847 
848 static void
849 acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
850 {
851 	char *cp;
852 	int remaining, consumed;
853 
854 	printf("\n");
855 	printf("\tType=RMRR\n");
856 	printf("\tLength=%d\n", rmrr->Header.Length);
857 	printf("\tSegment=%d\n", rmrr->Segment);
858 	printf("\tBaseAddress=0x%0jx\n", (uintmax_t)rmrr->BaseAddress);
859 	printf("\tLimitAddress=0x%0jx\n", (uintmax_t)rmrr->EndAddress);
860 
861 	remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
862 	if (remaining > 0)
863 		printf("\tDevice Scope:");
864 	while (remaining > 0) {
865 		cp = (char *)rmrr + rmrr->Header.Length - remaining;
866 		consumed = acpi_handle_dmar_devscope(cp, remaining);
867 		if (consumed <= 0)
868 			break;
869 		else
870 			remaining -= consumed;
871 	}
872 }
873 
874 static void
875 acpi_handle_dmar_atsr(ACPI_DMAR_ATSR *atsr)
876 {
877 	char *cp;
878 	int remaining, consumed;
879 
880 	printf("\n");
881 	printf("\tType=ATSR\n");
882 	printf("\tLength=%d\n", atsr->Header.Length);
883 
884 #define	PRINTFLAG(var, flag)	printflag((var), ACPI_DMAR_## flag, #flag)
885 
886 	printf("\tFlags=");
887 	PRINTFLAG(atsr->Flags, ALL_PORTS);
888 	PRINTFLAG_END();
889 
890 #undef PRINTFLAG
891 
892 	printf("\tSegment=%d\n", atsr->Segment);
893 
894 	remaining = atsr->Header.Length - sizeof(ACPI_DMAR_ATSR);
895 	if (remaining > 0)
896 		printf("\tDevice Scope:");
897 	while (remaining > 0) {
898 		cp = (char *)atsr + atsr->Header.Length - remaining;
899 		consumed = acpi_handle_dmar_devscope(cp, remaining);
900 		if (consumed <= 0)
901 			break;
902 		else
903 			remaining -= consumed;
904 	}
905 }
906 
907 static void
908 acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
909 {
910 
911 	printf("\n");
912 	printf("\tType=RHSA\n");
913 	printf("\tLength=%d\n", rhsa->Header.Length);
914 	printf("\tBaseAddress=0x%0jx\n", (uintmax_t)rhsa->BaseAddress);
915 	printf("\tProximityDomain=0x%08x\n", rhsa->ProximityDomain);
916 }
917 
918 static int
919 acpi_handle_dmar_remapping_structure(void *addr, int remaining)
920 {
921 	ACPI_DMAR_HEADER *hdr = addr;
922 
923 	if (remaining < (int)sizeof(ACPI_DMAR_HEADER))
924 		return (-1);
925 
926 	if (remaining < hdr->Length)
927 		return (-1);
928 
929 	switch (hdr->Type) {
930 	case ACPI_DMAR_TYPE_HARDWARE_UNIT:
931 		acpi_handle_dmar_drhd(addr);
932 		break;
933 	case ACPI_DMAR_TYPE_RESERVED_MEMORY:
934 		acpi_handle_dmar_rmrr(addr);
935 		break;
936 	case ACPI_DMAR_TYPE_ATSR:
937 		acpi_handle_dmar_atsr(addr);
938 		break;
939 	case ACPI_DMAR_HARDWARE_AFFINITY:
940 		acpi_handle_dmar_rhsa(addr);
941 		break;
942 	default:
943 		printf("\n");
944 		printf("\tType=%d\n", hdr->Type);
945 		printf("\tLength=%d\n", hdr->Length);
946 		break;
947 	}
948 	return (hdr->Length);
949 }
950 
951 #ifndef ACPI_DMAR_X2APIC_OPT_OUT
952 #define	ACPI_DMAR_X2APIC_OPT_OUT	(0x2)
953 #endif
954 
955 static void
956 acpi_handle_dmar(ACPI_TABLE_HEADER *sdp)
957 {
958 	char *cp;
959 	int remaining, consumed;
960 	ACPI_TABLE_DMAR *dmar;
961 
962 	printf(BEGIN_COMMENT);
963 	acpi_print_sdt(sdp);
964 	dmar = (ACPI_TABLE_DMAR *)sdp;
965 	printf("\tHost Address Width=%d\n", dmar->Width + 1);
966 
967 #define PRINTFLAG(var, flag)	printflag((var), ACPI_DMAR_## flag, #flag)
968 
969 	printf("\tFlags=");
970 	PRINTFLAG(dmar->Flags, INTR_REMAP);
971 	PRINTFLAG(dmar->Flags, X2APIC_OPT_OUT);
972 	PRINTFLAG_END();
973 
974 #undef PRINTFLAG
975 
976 	remaining = sdp->Length - sizeof(ACPI_TABLE_DMAR);
977 	while (remaining > 0) {
978 		cp = (char *)sdp + sdp->Length - remaining;
979 		consumed = acpi_handle_dmar_remapping_structure(cp, remaining);
980 		if (consumed <= 0)
981 			break;
982 		else
983 			remaining -= consumed;
984 	}
985 
986 	printf(END_COMMENT);
987 }
988 
989 static void
990 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
991 {
992 
993 	printf("\tFlags={");
994 	if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
995 		printf("ENABLED");
996 	else
997 		printf("DISABLED");
998 	if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
999 		printf(",HOT_PLUGGABLE");
1000 	if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE)
1001 		printf(",NON_VOLATILE");
1002 	printf("}\n");
1003 	printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress);
1004 	printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length);
1005 	printf("\tProximity Domain=%d\n", mp->ProximityDomain);
1006 }
1007 
1008 static const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
1009 
1010 static void
1011 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
1012 {
1013 	ACPI_SRAT_CPU_AFFINITY *cpu;
1014 	ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
1015 
1016 	if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0]))
1017 		printf("\tType=%s\n", srat_types[srat->Type]);
1018 	else
1019 		printf("\tType=%d (unknown)\n", srat->Type);
1020 	switch (srat->Type) {
1021 	case ACPI_SRAT_TYPE_CPU_AFFINITY:
1022 		cpu = (ACPI_SRAT_CPU_AFFINITY *)srat;
1023 		acpi_print_srat_cpu(cpu->ApicId,
1024 		    cpu->ProximityDomainHi[2] << 24 |
1025 		    cpu->ProximityDomainHi[1] << 16 |
1026 		    cpu->ProximityDomainHi[0] << 0 |
1027 		    cpu->ProximityDomainLo, cpu->Flags);
1028 		break;
1029 	case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
1030 		acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
1031 		break;
1032 	case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
1033 		x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat;
1034 		acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain,
1035 		    x2apic->Flags);
1036 		break;
1037 	}
1038 }
1039 
1040 static void
1041 acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
1042 {
1043 	ACPI_TABLE_SRAT *srat;
1044 
1045 	printf(BEGIN_COMMENT);
1046 	acpi_print_sdt(sdp);
1047 	srat = (ACPI_TABLE_SRAT *)sdp;
1048 	printf("\tTable Revision=%d\n", srat->TableRevision);
1049 	acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat);
1050 	printf(END_COMMENT);
1051 }
1052 
1053 static void
1054 acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
1055 {
1056 	printf("  ");
1057 	acpi_print_string(sdp->Signature, ACPI_NAME_SIZE);
1058 	printf(": Length=%d, Revision=%d, Checksum=%d,\n",
1059 	       sdp->Length, sdp->Revision, sdp->Checksum);
1060 	printf("\tOEMID=");
1061 	acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE);
1062 	printf(", OEM Table ID=");
1063 	acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE);
1064 	printf(", OEM Revision=0x%x,\n", sdp->OemRevision);
1065 	printf("\tCreator ID=");
1066 	acpi_print_string(sdp->AslCompilerId, ACPI_NAME_SIZE);
1067 	printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision);
1068 }
1069 
1070 static void
1071 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
1072 {
1073 	ACPI_TABLE_RSDT *rsdt;
1074 	ACPI_TABLE_XSDT *xsdt;
1075 	int	i, entries;
1076 	u_long	addr;
1077 
1078 	rsdt = (ACPI_TABLE_RSDT *)rsdp;
1079 	xsdt = (ACPI_TABLE_XSDT *)rsdp;
1080 	printf(BEGIN_COMMENT);
1081 	acpi_print_sdt(rsdp);
1082 	entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1083 	printf("\tEntries={ ");
1084 	for (i = 0; i < entries; i++) {
1085 		if (i > 0)
1086 			printf(", ");
1087 		switch (addr_size) {
1088 		case 4:
1089 			addr = le32toh(rsdt->TableOffsetEntry[i]);
1090 			break;
1091 		case 8:
1092 			addr = le64toh(xsdt->TableOffsetEntry[i]);
1093 			break;
1094 		default:
1095 			addr = 0;
1096 		}
1097 		assert(addr != 0);
1098 		printf("0x%08lx", addr);
1099 	}
1100 	printf(" }\n");
1101 	printf(END_COMMENT);
1102 }
1103 
1104 static const char *acpi_pm_profiles[] = {
1105 	"Unspecified", "Desktop", "Mobile", "Workstation",
1106 	"Enterprise Server", "SOHO Server", "Appliance PC"
1107 };
1108 
1109 static void
1110 acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
1111 {
1112 	ACPI_TABLE_FADT *fadt;
1113 	const char *pm;
1114 
1115 	fadt = (ACPI_TABLE_FADT *)sdp;
1116 	printf(BEGIN_COMMENT);
1117 	acpi_print_sdt(sdp);
1118 	printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs,
1119 	       fadt->Dsdt);
1120 	printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
1121 	if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
1122 		pm = "Reserved";
1123 	else
1124 		pm = acpi_pm_profiles[fadt->PreferredProfile];
1125 	printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile);
1126 	printf("\tSCI_INT=%d\n", fadt->SciInterrupt);
1127 	printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand);
1128 	printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable);
1129 	printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable);
1130 	printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest);
1131 	printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl);
1132 	printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
1133 	       fadt->Pm1aEventBlock,
1134 	       fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1);
1135 	if (fadt->Pm1bEventBlock != 0)
1136 		printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
1137 		       fadt->Pm1bEventBlock,
1138 		       fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1);
1139 	printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
1140 	       fadt->Pm1aControlBlock,
1141 	       fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1);
1142 	if (fadt->Pm1bControlBlock != 0)
1143 		printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
1144 		       fadt->Pm1bControlBlock,
1145 		       fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1);
1146 	if (fadt->Pm2ControlBlock != 0)
1147 		printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
1148 		       fadt->Pm2ControlBlock,
1149 		       fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1);
1150 	printf("\tPM_TMR_BLK=0x%x-0x%x\n",
1151 	       fadt->PmTimerBlock,
1152 	       fadt->PmTimerBlock + fadt->PmTimerLength - 1);
1153 	if (fadt->Gpe0Block != 0)
1154 		printf("\tGPE0_BLK=0x%x-0x%x\n",
1155 		       fadt->Gpe0Block,
1156 		       fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
1157 	if (fadt->Gpe1Block != 0)
1158 		printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
1159 		       fadt->Gpe1Block,
1160 		       fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
1161 		       fadt->Gpe1Base);
1162 	if (fadt->CstControl != 0)
1163 		printf("\tCST_CNT=0x%x\n", fadt->CstControl);
1164 	printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
1165 	       fadt->C2Latency, fadt->C3Latency);
1166 	printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
1167 	       fadt->FlushSize, fadt->FlushStride);
1168 	printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
1169 	       fadt->DutyOffset, fadt->DutyWidth);
1170 	printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
1171 	       fadt->DayAlarm, fadt->MonthAlarm, fadt->Century);
1172 
1173 #define PRINTFLAG(var, flag)	printflag((var), ACPI_FADT_## flag, #flag)
1174 
1175 	printf("\tIAPC_BOOT_ARCH=");
1176 	PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES);
1177 	PRINTFLAG(fadt->BootFlags, 8042);
1178 	PRINTFLAG(fadt->BootFlags, NO_VGA);
1179 	PRINTFLAG(fadt->BootFlags, NO_MSI);
1180 	PRINTFLAG(fadt->BootFlags, NO_ASPM);
1181 	PRINTFLAG_END();
1182 
1183 	printf("\tFlags=");
1184 	PRINTFLAG(fadt->Flags, WBINVD);
1185 	PRINTFLAG(fadt->Flags, WBINVD_FLUSH);
1186 	PRINTFLAG(fadt->Flags, C1_SUPPORTED);
1187 	PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED);
1188 	PRINTFLAG(fadt->Flags, POWER_BUTTON);
1189 	PRINTFLAG(fadt->Flags, SLEEP_BUTTON);
1190 	PRINTFLAG(fadt->Flags, FIXED_RTC);
1191 	PRINTFLAG(fadt->Flags, S4_RTC_WAKE);
1192 	PRINTFLAG(fadt->Flags, 32BIT_TIMER);
1193 	PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED);
1194 	PRINTFLAG(fadt->Flags, RESET_REGISTER);
1195 	PRINTFLAG(fadt->Flags, SEALED_CASE);
1196 	PRINTFLAG(fadt->Flags, HEADLESS);
1197 	PRINTFLAG(fadt->Flags, SLEEP_TYPE);
1198 	PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE);
1199 	PRINTFLAG(fadt->Flags, PLATFORM_CLOCK);
1200 	PRINTFLAG(fadt->Flags, S4_RTC_VALID);
1201 	PRINTFLAG(fadt->Flags, REMOTE_POWER_ON);
1202 	PRINTFLAG(fadt->Flags, APIC_CLUSTER);
1203 	PRINTFLAG(fadt->Flags, APIC_PHYSICAL);
1204 	PRINTFLAG_END();
1205 
1206 #undef PRINTFLAG
1207 
1208 	if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
1209 		printf("\tRESET_REG=");
1210 		acpi_print_gas(&fadt->ResetRegister);
1211 		printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
1212 	}
1213 	if (acpi_get_fadt_revision(fadt) > 1) {
1214 		printf("\tX_FACS=0x%08lx, ", (u_long)fadt->XFacs);
1215 		printf("X_DSDT=0x%08lx\n", (u_long)fadt->XDsdt);
1216 		printf("\tX_PM1a_EVT_BLK=");
1217 		acpi_print_gas(&fadt->XPm1aEventBlock);
1218 		if (fadt->XPm1bEventBlock.Address != 0) {
1219 			printf("\n\tX_PM1b_EVT_BLK=");
1220 			acpi_print_gas(&fadt->XPm1bEventBlock);
1221 		}
1222 		printf("\n\tX_PM1a_CNT_BLK=");
1223 		acpi_print_gas(&fadt->XPm1aControlBlock);
1224 		if (fadt->XPm1bControlBlock.Address != 0) {
1225 			printf("\n\tX_PM1b_CNT_BLK=");
1226 			acpi_print_gas(&fadt->XPm1bControlBlock);
1227 		}
1228 		if (fadt->XPm2ControlBlock.Address != 0) {
1229 			printf("\n\tX_PM2_CNT_BLK=");
1230 			acpi_print_gas(&fadt->XPm2ControlBlock);
1231 		}
1232 		printf("\n\tX_PM_TMR_BLK=");
1233 		acpi_print_gas(&fadt->XPmTimerBlock);
1234 		if (fadt->XGpe0Block.Address != 0) {
1235 			printf("\n\tX_GPE0_BLK=");
1236 			acpi_print_gas(&fadt->XGpe0Block);
1237 		}
1238 		if (fadt->XGpe1Block.Address != 0) {
1239 			printf("\n\tX_GPE1_BLK=");
1240 			acpi_print_gas(&fadt->XGpe1Block);
1241 		}
1242 		printf("\n");
1243 	}
1244 
1245 	printf(END_COMMENT);
1246 }
1247 
1248 static void
1249 acpi_print_facs(ACPI_TABLE_FACS *facs)
1250 {
1251 	printf(BEGIN_COMMENT);
1252 	printf("  FACS:\tLength=%u, ", facs->Length);
1253 	printf("HwSig=0x%08x, ", facs->HardwareSignature);
1254 	printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector);
1255 
1256 	printf("\tGlobal_Lock=");
1257 	if (facs->GlobalLock != 0) {
1258 		if (facs->GlobalLock & ACPI_GLOCK_PENDING)
1259 			printf("PENDING,");
1260 		if (facs->GlobalLock & ACPI_GLOCK_OWNED)
1261 			printf("OWNED");
1262 	}
1263 	printf("\n");
1264 
1265 	printf("\tFlags=");
1266 	if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
1267 		printf("S4BIOS");
1268 	printf("\n");
1269 
1270 	if (facs->XFirmwareWakingVector != 0) {
1271 		printf("\tX_Firm_Wake_Vec=%08lx\n",
1272 		       (u_long)facs->XFirmwareWakingVector);
1273 	}
1274 	printf("\tVersion=%u\n", facs->Version);
1275 
1276 	printf(END_COMMENT);
1277 }
1278 
1279 static void
1280 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1281 {
1282 	printf(BEGIN_COMMENT);
1283 	acpi_print_sdt(dsdp);
1284 	printf(END_COMMENT);
1285 }
1286 
1287 int
1288 acpi_checksum(void *p, size_t length)
1289 {
1290 	uint8_t *bp;
1291 	uint8_t sum;
1292 
1293 	bp = p;
1294 	sum = 0;
1295 	while (length--)
1296 		sum += *bp++;
1297 
1298 	return (sum);
1299 }
1300 
1301 static ACPI_TABLE_HEADER *
1302 acpi_map_sdt(vm_offset_t pa)
1303 {
1304 	ACPI_TABLE_HEADER *sp;
1305 
1306 	sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
1307 	sp = acpi_map_physical(pa, sp->Length);
1308 	return (sp);
1309 }
1310 
1311 static void
1312 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
1313 {
1314 	printf(BEGIN_COMMENT);
1315 	printf("  RSD PTR: OEM=");
1316 	acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE);
1317 	printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x",
1318 	       rp->Revision);
1319 	if (rp->Revision < 2) {
1320 		printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
1321 		    rp->Checksum);
1322 	} else {
1323 		printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n",
1324 		    (u_long)rp->XsdtPhysicalAddress, rp->Length,
1325 		    rp->ExtendedChecksum);
1326 	}
1327 	printf(END_COMMENT);
1328 }
1329 
1330 static void
1331 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
1332 {
1333 	ACPI_TABLE_HEADER *sdp;
1334 	ACPI_TABLE_RSDT *rsdt;
1335 	ACPI_TABLE_XSDT *xsdt;
1336 	vm_offset_t addr;
1337 	int entries, i;
1338 
1339 	acpi_print_rsdt(rsdp);
1340 	rsdt = (ACPI_TABLE_RSDT *)rsdp;
1341 	xsdt = (ACPI_TABLE_XSDT *)rsdp;
1342 	entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1343 	for (i = 0; i < entries; i++) {
1344 		switch (addr_size) {
1345 		case 4:
1346 			addr = le32toh(rsdt->TableOffsetEntry[i]);
1347 			break;
1348 		case 8:
1349 			addr = le64toh(xsdt->TableOffsetEntry[i]);
1350 			break;
1351 		default:
1352 			assert((addr = 0));
1353 		}
1354 
1355 		sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1356 		if (acpi_checksum(sdp, sdp->Length)) {
1357 			warnx("RSDT entry %d (sig %.4s) is corrupt", i,
1358 			    sdp->Signature);
1359 			continue;
1360 		}
1361 		if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4))
1362 			acpi_handle_fadt(sdp);
1363 		else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4))
1364 			acpi_handle_madt(sdp);
1365 		else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4))
1366 			acpi_handle_hpet(sdp);
1367 		else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
1368 			acpi_handle_ecdt(sdp);
1369 		else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
1370 			acpi_handle_mcfg(sdp);
1371 		else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4))
1372 			acpi_handle_slit(sdp);
1373 		else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4))
1374 			acpi_handle_srat(sdp);
1375 		else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4))
1376 			acpi_handle_tcpa(sdp);
1377 		else if (!memcmp(sdp->Signature, ACPI_SIG_DMAR, 4))
1378 			acpi_handle_dmar(sdp);
1379 		else {
1380 			printf(BEGIN_COMMENT);
1381 			acpi_print_sdt(sdp);
1382 			printf(END_COMMENT);
1383 		}
1384 	}
1385 }
1386 
1387 ACPI_TABLE_HEADER *
1388 sdt_load_devmem(void)
1389 {
1390 	ACPI_TABLE_RSDP *rp;
1391 	ACPI_TABLE_HEADER *rsdp;
1392 
1393 	rp = acpi_find_rsd_ptr();
1394 	if (!rp)
1395 		errx(1, "Can't find ACPI information");
1396 
1397 	if (tflag)
1398 		acpi_print_rsd_ptr(rp);
1399 	if (rp->Revision < 2) {
1400 		rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress);
1401 		if (memcmp(rsdp->Signature, "RSDT", 4) != 0 ||
1402 		    acpi_checksum(rsdp, rsdp->Length) != 0)
1403 			errx(1, "RSDT is corrupted");
1404 		addr_size = sizeof(uint32_t);
1405 	} else {
1406 		rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
1407 		if (memcmp(rsdp->Signature, "XSDT", 4) != 0 ||
1408 		    acpi_checksum(rsdp, rsdp->Length) != 0)
1409 			errx(1, "XSDT is corrupted");
1410 		addr_size = sizeof(uint64_t);
1411 	}
1412 	return (rsdp);
1413 }
1414 
1415 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
1416 static int
1417 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
1418 {
1419 	ACPI_TABLE_HEADER sdt;
1420 	ACPI_TABLE_HEADER *ssdt;
1421 	uint8_t sum;
1422 
1423 	/* Create a new checksum to account for the DSDT and any SSDTs. */
1424 	sdt = *dsdt;
1425 	if (rsdt != NULL) {
1426 		sdt.Checksum = 0;
1427 		sum = acpi_checksum(dsdt + 1, dsdt->Length -
1428 		    sizeof(ACPI_TABLE_HEADER));
1429 		ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
1430 		while (ssdt != NULL) {
1431 			sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER);
1432 			sum += acpi_checksum(ssdt + 1,
1433 			    ssdt->Length - sizeof(ACPI_TABLE_HEADER));
1434 			ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
1435 		}
1436 		sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
1437 		sdt.Checksum -= sum;
1438 	}
1439 
1440 	/* Write out the DSDT header and body. */
1441 	write(fd, &sdt, sizeof(ACPI_TABLE_HEADER));
1442 	write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER));
1443 
1444 	/* Write out any SSDTs (if present.) */
1445 	if (rsdt != NULL) {
1446 		ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
1447 		while (ssdt != NULL) {
1448 			write(fd, ssdt + 1, ssdt->Length -
1449 			    sizeof(ACPI_TABLE_HEADER));
1450 			ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
1451 		}
1452 	}
1453 	return (0);
1454 }
1455 
1456 void
1457 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1458 {
1459 	int	fd;
1460 	mode_t	mode;
1461 
1462 	assert(outfile != NULL);
1463 	mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
1464 	fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
1465 	if (fd == -1) {
1466 		perror("dsdt_save_file");
1467 		return;
1468 	}
1469 	write_dsdt(fd, rsdt, dsdp);
1470 	close(fd);
1471 }
1472 
1473 void
1474 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1475 {
1476 	char buf[PATH_MAX], tmpstr[PATH_MAX];
1477 	const char *tmpdir;
1478 	char *tmpext;
1479 	FILE *fp;
1480 	size_t len;
1481 	int fd;
1482 
1483 	tmpdir = getenv("TMPDIR");
1484 	if (tmpdir == NULL)
1485 		tmpdir = _PATH_TMP;
1486 	strncpy(tmpstr, tmpdir, sizeof(tmpstr));
1487 	if (realpath(tmpstr, buf) == NULL) {
1488 		perror("realpath tmp dir");
1489 		return;
1490 	}
1491 	strncpy(tmpstr, buf, sizeof(tmpstr));
1492 	strncat(tmpstr, "/acpidump.", sizeof(tmpstr) - strlen(buf));
1493 	len = strlen(tmpstr);
1494 	tmpext = tmpstr + len;
1495 	strncpy(tmpext, "XXXXXX", sizeof(tmpstr) - len);
1496 	fd = mkstemp(tmpstr);
1497 	if (fd < 0) {
1498 		perror("iasl tmp file");
1499 		return;
1500 	}
1501 	write_dsdt(fd, rsdt, dsdp);
1502 	close(fd);
1503 
1504 	/* Run iasl -d on the temp file */
1505 	if (fork() == 0) {
1506 		close(STDOUT_FILENO);
1507 		if (vflag == 0)
1508 			close(STDERR_FILENO);
1509 		execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL);
1510 		err(1, "exec");
1511 	}
1512 
1513 	wait(NULL);
1514 	unlink(tmpstr);
1515 
1516 	/* Dump iasl's output to stdout */
1517 	strncpy(tmpext, "dsl", sizeof(tmpstr) - len);
1518 	fp = fopen(tmpstr, "r");
1519 	unlink(tmpstr);
1520 	if (fp == NULL) {
1521 		perror("iasl tmp file (read)");
1522 		return;
1523 	}
1524 	while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
1525 		fwrite(buf, 1, len, stdout);
1526 	fclose(fp);
1527 }
1528 
1529 void
1530 sdt_print_all(ACPI_TABLE_HEADER *rsdp)
1531 {
1532 	acpi_handle_rsdt(rsdp);
1533 }
1534 
1535 /* Fetch a table matching the given signature via the RSDT. */
1536 ACPI_TABLE_HEADER *
1537 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
1538 {
1539 	ACPI_TABLE_HEADER *sdt;
1540 	ACPI_TABLE_RSDT *rsdt;
1541 	ACPI_TABLE_XSDT *xsdt;
1542 	vm_offset_t addr;
1543 	int entries, i;
1544 
1545 	rsdt = (ACPI_TABLE_RSDT *)rsdp;
1546 	xsdt = (ACPI_TABLE_XSDT *)rsdp;
1547 	entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1548 	for (i = 0; i < entries; i++) {
1549 		switch (addr_size) {
1550 		case 4:
1551 			addr = le32toh(rsdt->TableOffsetEntry[i]);
1552 			break;
1553 		case 8:
1554 			addr = le64toh(xsdt->TableOffsetEntry[i]);
1555 			break;
1556 		default:
1557 			assert((addr = 0));
1558 		}
1559 		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1560 		if (last != NULL) {
1561 			if (sdt == last)
1562 				last = NULL;
1563 			continue;
1564 		}
1565 		if (memcmp(sdt->Signature, sig, strlen(sig)))
1566 			continue;
1567 		if (acpi_checksum(sdt, sdt->Length))
1568 			errx(1, "RSDT entry %d is corrupt", i);
1569 		return (sdt);
1570 	}
1571 
1572 	return (NULL);
1573 }
1574 
1575 ACPI_TABLE_HEADER *
1576 dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
1577 {
1578 	ACPI_TABLE_HEADER	*sdt;
1579 
1580 	/* Use the DSDT address if it is version 1, otherwise use XDSDT. */
1581 	if (acpi_get_fadt_revision(fadt) == 1)
1582 		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
1583 	else
1584 		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
1585 	if (acpi_checksum(sdt, sdt->Length))
1586 		errx(1, "DSDT is corrupt\n");
1587 	return (sdt);
1588 }
1589