2 * Copyright (c) 1998 Doug Rabson
3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
30 #include <sys/param.h>
31 #include <sys/endian.h>
46 #define BEGIN_COMMENT "/*\n"
47 #define END_COMMENT " */\n"
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,
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,
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 *));
83 /* Size of an address. 32-bit for ACPI 1.0, 64-bit for ACPI 2.0 and up. */
86 /* Strings used in the TCPA table */
87 static const char *tcpa_event_type_strings[] = {
88 "PREBOOT Certificate",
98 "Platform Config Flags",
102 "IPL Partition Data",
108 static const char *TCPA_pcclient_strings[] = {
112 "POST BIOS ROM Strings",
116 "Option ROM Execute",
117 "Option ROM Configurateion",
119 "Option ROM Microcode Update ",
120 "S-CRTM Version String",
126 #define PRINTFLAG_END() printflag_end()
128 static char pf_sep = '{';
142 printflag(uint64_t var, uint64_t mask, const char *name)
146 printf("%c%s", pf_sep, name);
152 acpi_print_string(char *s, size_t length)
156 /* Trim trailing spaces and NULLs */
157 while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
167 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
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);
175 printf("0x%02lx:%u[%u] (IO)", (u_long)gas->Address,
176 gas->BitOffset, gas->BitWidth);
179 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
180 (uint16_t)((gas->Address >> 16) & 0xffff),
181 (uint16_t)gas->Address);
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);
189 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
190 gas->BitOffset, gas->BitWidth);
193 case ACPI_GAS_PCIBAR:
194 case ACPI_GAS_DATATABLE:
197 printf("0x%08lx (?)", (u_long)gas->Address);
202 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
204 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
208 /* Set the FADT revision separately from the RSDP version. */
209 if (addr_size == 8) {
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.
219 if (fadt->Facs != 0 &&
220 (fadt->XFacs & 0xffffffff) != fadt->Facs)
224 return (fadt_revision);
228 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
230 ACPI_TABLE_HEADER *dsdp;
231 ACPI_TABLE_FACS *facs;
232 ACPI_TABLE_FADT *fadt;
235 fadt = (ACPI_TABLE_FADT *)sdp;
236 acpi_print_fadt(sdp);
238 fadt_revision = acpi_get_fadt_revision(fadt);
239 if (fadt_revision == 1)
240 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs);
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);
247 if (fadt_revision == 1)
248 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
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);
257 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
258 void (*action)(ACPI_SUBTABLE_HEADER *))
260 ACPI_SUBTABLE_HEADER *subtable;
264 end = (char *)table + table->Length;
265 while ((char *)subtable < end) {
268 subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
274 acpi_print_cpu(u_char cpu_id)
277 printf("\tACPI CPU=");
281 printf("%d\n", (u_int)cpu_id);
285 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
288 printf("\tUID=%d", uid);
289 if (uid_string != NULL)
290 printf(" (%s)", uid_string);
295 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
299 if (flags & ACPI_MADT_ENABLED)
304 printf("\tAPIC ID=%d\n", apic_id);
308 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
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);
317 acpi_print_mps_flags(uint16_t flags)
320 printf("\tFlags={Polarity=");
321 switch (flags & ACPI_MADT_POLARITY_MASK) {
322 case ACPI_MADT_POLARITY_CONFORMS:
323 printf("conforming");
325 case ACPI_MADT_POLARITY_ACTIVE_HIGH:
328 case ACPI_MADT_POLARITY_ACTIVE_LOW:
332 printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
335 printf(", Trigger=");
336 switch (flags & ACPI_MADT_TRIGGER_MASK) {
337 case ACPI_MADT_TRIGGER_CONFORMS:
338 printf("conforming");
340 case ACPI_MADT_TRIGGER_EDGE:
343 case ACPI_MADT_TRIGGER_LEVEL:
347 printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
353 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
356 printf("\tINTR=%d\n", intr);
357 acpi_print_mps_flags(mps_flags);
361 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
364 printf("\tLINT Pin=%d\n", lint);
365 acpi_print_mps_flags(mps_flags);
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" };
377 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
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;
391 if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0]))
392 printf("\tType=%s\n", apic_types[mp->Type]);
394 printf("\tType=%d (unknown)\n", 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);
401 case ACPI_MADT_TYPE_IO_APIC:
402 ioapic = (ACPI_MADT_IO_APIC *)mp;
403 acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
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);
412 case ACPI_MADT_TYPE_NMI_SOURCE:
413 nmi = (ACPI_MADT_NMI_SOURCE *)mp;
414 acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
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);
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);
426 case ACPI_MADT_TYPE_IO_SAPIC:
427 iosapic = (ACPI_MADT_IO_SAPIC *)mp;
428 acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
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);
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]);
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);
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);
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);
465 acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
467 ACPI_TABLE_MADT *madt;
469 printf(BEGIN_COMMENT);
471 madt = (ACPI_TABLE_MADT *)sdp;
472 printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
474 if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
477 acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
482 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
484 ACPI_TABLE_HPET *hpet;
486 printf(BEGIN_COMMENT);
488 hpet = (ACPI_TABLE_HPET *)sdp;
489 printf("\tHPET Number=%d\n", hpet->Sequence);
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) >>
495 printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
497 printf("\tLegacy IRQ routing capable={");
498 if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
502 printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
503 printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
508 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
510 ACPI_TABLE_ECDT *ecdt;
512 printf(BEGIN_COMMENT);
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);
526 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
528 ACPI_TABLE_MCFG *mcfg;
529 ACPI_MCFG_ALLOCATION *alloc;
532 printf(BEGIN_COMMENT);
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++) {
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);
549 acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
551 ACPI_TABLE_SLIT *slit;
554 printf(BEGIN_COMMENT);
556 slit = (ACPI_TABLE_SLIT *)sdp;
557 printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
559 for (i = 0; i < slit->LocalityCount; i++)
560 printf(" %3ju", (uintmax_t)i);
562 for (i = 0; i < slit->LocalityCount; i++)
565 for (i = 0; i < slit->LocalityCount; i++) {
566 printf("\t %3ju |", (uintmax_t)i);
567 for (j = 0; j < slit->LocalityCount; j++)
569 slit->Entry[i * slit->LocalityCount + j]);
576 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
581 if (flags & ACPI_SRAT_CPU_ENABLED)
586 printf("\tAPIC ID=%d\n", apic_id);
587 printf("\tProximity Domain=%d\n", proximity_domain);
591 acpi_tcpa_evname(struct TCPAevent *event)
593 struct TCPApc_event *pc_event;
594 char *eventname = NULL;
596 pc_event = (struct TCPApc_event *)(event + 1);
598 switch(event->event_type) {
607 case PLATFORM_CONFIG_FLAGS:
608 case TABLE_OF_DEVICES:
611 case IPL_PARTITION_DATA:
615 asprintf(&eventname, "%s",
616 tcpa_event_type_strings[event->event_type]);
620 eventname = calloc(event->event_size + 1, sizeof(char));
621 memcpy(eventname, pc_event, event->event_size);
625 switch (pc_event->event_id) {
630 case OPTION_ROM_EXEC:
631 case OPTION_ROM_CONFIG:
635 case OPTION_ROM_MICROCODE:
636 case S_CRTM_CONTENTS:
638 asprintf(&eventname, "%s",
639 TCPA_pcclient_strings[pc_event->event_id]);
643 asprintf(&eventname, "<unknown tag 0x%02x>",
650 asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
658 acpi_print_tcpa(struct TCPAevent *event)
663 eventname = acpi_tcpa_evname(event);
665 printf("\t%d", event->pcr_index);
667 for (i = 0; i < 20; i++)
668 printf("%02x", event->pcr_value[i]);
669 printf(" [%s]\n", eventname ? eventname : "<unknown>");
675 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
677 struct TCPAbody *tcpa;
678 struct TCPAevent *event;
679 uintmax_t len, paddr;
680 unsigned char *vaddr = NULL;
681 unsigned char *vend = NULL;
683 printf(BEGIN_COMMENT);
685 tcpa = (struct TCPAbody *) sdp;
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;
693 case ACPI_TCPA_BIOS_SERVER:
694 len = tcpa->server.log_max_len;
695 paddr = tcpa->server.log_start_addr;
703 printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
704 tcpa->platform_class, paddr, len);
707 printf("\tEmpty TCPA table\n");
711 if(sdp->Revision == 1){
712 printf("\tOLD TCPA spec log found. Dumping not supported.\n");
717 vaddr = (unsigned char *)acpi_map_physical(paddr, len);
720 while (vaddr != NULL) {
721 if ((vaddr + sizeof(struct TCPAevent) >= vend)||
722 (vaddr + sizeof(struct TCPAevent) < vaddr))
724 event = (struct TCPAevent *)(void *)vaddr;
725 if (vaddr + event->event_size >= vend)
727 if (vaddr + event->event_size < vaddr)
729 if (event->event_type == 0 && event->event_size == 0)
733 unsigned int i, j, k;
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]) ?
743 printf("\n\t\t%p ", &vaddr[i + 1]);
749 acpi_print_tcpa(event);
751 vaddr += sizeof(struct TCPAevent) + event->event_size;
758 devscope_type2str(int type)
760 static char typebuf[16];
764 return ("PCI Endpoint Device");
766 return ("PCI Sub-Hierarchy");
772 snprintf(typebuf, sizeof(typebuf), "%d", type);
778 acpi_handle_dmar_devscope(void *addr, int remaining)
782 ACPI_DMAR_PCI_PATH *path, *pathend;
783 ACPI_DMAR_DEVICE_SCOPE *devscope = addr;
785 if (remaining < (int)sizeof(ACPI_DMAR_DEVICE_SCOPE))
788 if (remaining < devscope->Length)
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);
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) {
804 printf("%c%d:%d", sep, path->Device, path->Function);
807 } while (path < pathend);
811 return (devscope->Length);
815 acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
818 int remaining, consumed;
821 printf("\tType=DRHD\n");
822 printf("\tLength=%d\n", drhd->Header.Length);
824 #define PRINTFLAG(var, flag) printflag((var), ACPI_DMAR_## flag, #flag)
827 PRINTFLAG(drhd->Flags, INCLUDE_ALL);
832 printf("\tSegment=%d\n", drhd->Segment);
833 printf("\tAddress=0x%0jx\n", (uintmax_t)drhd->Address);
835 remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
837 printf("\tDevice Scope:");
838 while (remaining > 0) {
839 cp = (char *)drhd + drhd->Header.Length - remaining;
840 consumed = acpi_handle_dmar_devscope(cp, remaining);
844 remaining -= consumed;
849 acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
852 int remaining, consumed;
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);
861 remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
863 printf("\tDevice Scope:");
864 while (remaining > 0) {
865 cp = (char *)rmrr + rmrr->Header.Length - remaining;
866 consumed = acpi_handle_dmar_devscope(cp, remaining);
870 remaining -= consumed;
875 acpi_handle_dmar_atsr(ACPI_DMAR_ATSR *atsr)
878 int remaining, consumed;
881 printf("\tType=ATSR\n");
882 printf("\tLength=%d\n", atsr->Header.Length);
884 #define PRINTFLAG(var, flag) printflag((var), ACPI_DMAR_## flag, #flag)
887 PRINTFLAG(atsr->Flags, ALL_PORTS);
892 printf("\tSegment=%d\n", atsr->Segment);
894 remaining = atsr->Header.Length - sizeof(ACPI_DMAR_ATSR);
896 printf("\tDevice Scope:");
897 while (remaining > 0) {
898 cp = (char *)atsr + atsr->Header.Length - remaining;
899 consumed = acpi_handle_dmar_devscope(cp, remaining);
903 remaining -= consumed;
908 acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
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);
919 acpi_handle_dmar_remapping_structure(void *addr, int remaining)
921 ACPI_DMAR_HEADER *hdr = addr;
923 if (remaining < (int)sizeof(ACPI_DMAR_HEADER))
926 if (remaining < hdr->Length)
930 case ACPI_DMAR_TYPE_HARDWARE_UNIT:
931 acpi_handle_dmar_drhd(addr);
933 case ACPI_DMAR_TYPE_RESERVED_MEMORY:
934 acpi_handle_dmar_rmrr(addr);
936 case ACPI_DMAR_TYPE_ATSR:
937 acpi_handle_dmar_atsr(addr);
939 case ACPI_DMAR_HARDWARE_AFFINITY:
940 acpi_handle_dmar_rhsa(addr);
944 printf("\tType=%d\n", hdr->Type);
945 printf("\tLength=%d\n", hdr->Length);
948 return (hdr->Length);
951 #ifndef ACPI_DMAR_X2APIC_OPT_OUT
952 #define ACPI_DMAR_X2APIC_OPT_OUT (0x2)
956 acpi_handle_dmar(ACPI_TABLE_HEADER *sdp)
959 int remaining, consumed;
960 ACPI_TABLE_DMAR *dmar;
962 printf(BEGIN_COMMENT);
964 dmar = (ACPI_TABLE_DMAR *)sdp;
965 printf("\tHost Address Width=%d\n", dmar->Width + 1);
967 #define PRINTFLAG(var, flag) printflag((var), ACPI_DMAR_## flag, #flag)
970 PRINTFLAG(dmar->Flags, INTR_REMAP);
971 PRINTFLAG(dmar->Flags, X2APIC_OPT_OUT);
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);
983 remaining -= consumed;
990 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
994 if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
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");
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);
1008 static const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
1011 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
1013 ACPI_SRAT_CPU_AFFINITY *cpu;
1014 ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
1016 if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0]))
1017 printf("\tType=%s\n", srat_types[srat->Type]);
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);
1029 case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
1030 acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
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,
1041 acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
1043 ACPI_TABLE_SRAT *srat;
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);
1054 acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
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);
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);
1071 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
1073 ACPI_TABLE_RSDT *rsdt;
1074 ACPI_TABLE_XSDT *xsdt;
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++) {
1087 switch (addr_size) {
1089 addr = le32toh(rsdt->TableOffsetEntry[i]);
1092 addr = le64toh(xsdt->TableOffsetEntry[i]);
1098 printf("0x%08lx", addr);
1101 printf(END_COMMENT);
1104 static const char *acpi_pm_profiles[] = {
1105 "Unspecified", "Desktop", "Mobile", "Workstation",
1106 "Enterprise Server", "SOHO Server", "Appliance PC"
1110 acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
1112 ACPI_TABLE_FADT *fadt;
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,
1120 printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
1121 if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
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",
1152 fadt->PmTimerBlock + fadt->PmTimerLength - 1);
1153 if (fadt->Gpe0Block != 0)
1154 printf("\tGPE0_BLK=0x%x-0x%x\n",
1156 fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
1157 if (fadt->Gpe1Block != 0)
1158 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
1160 fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
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);
1173 #define PRINTFLAG(var, flag) printflag((var), ACPI_FADT_## flag, #flag)
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);
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);
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);
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);
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);
1228 if (fadt->XPm2ControlBlock.Address != 0) {
1229 printf("\n\tX_PM2_CNT_BLK=");
1230 acpi_print_gas(&fadt->XPm2ControlBlock);
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);
1238 if (fadt->XGpe1Block.Address != 0) {
1239 printf("\n\tX_GPE1_BLK=");
1240 acpi_print_gas(&fadt->XGpe1Block);
1245 printf(END_COMMENT);
1249 acpi_print_facs(ACPI_TABLE_FACS *facs)
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);
1256 printf("\tGlobal_Lock=");
1257 if (facs->GlobalLock != 0) {
1258 if (facs->GlobalLock & ACPI_GLOCK_PENDING)
1260 if (facs->GlobalLock & ACPI_GLOCK_OWNED)
1266 if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
1270 if (facs->XFirmwareWakingVector != 0) {
1271 printf("\tX_Firm_Wake_Vec=%08lx\n",
1272 (u_long)facs->XFirmwareWakingVector);
1274 printf("\tVersion=%u\n", facs->Version);
1276 printf(END_COMMENT);
1280 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1282 printf(BEGIN_COMMENT);
1283 acpi_print_sdt(dsdp);
1284 printf(END_COMMENT);
1288 acpi_checksum(void *p, size_t length)
1301 static ACPI_TABLE_HEADER *
1302 acpi_map_sdt(vm_offset_t pa)
1304 ACPI_TABLE_HEADER *sp;
1306 sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
1307 sp = acpi_map_physical(pa, sp->Length);
1312 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
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",
1319 if (rp->Revision < 2) {
1320 printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
1323 printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n",
1324 (u_long)rp->XsdtPhysicalAddress, rp->Length,
1325 rp->ExtendedChecksum);
1327 printf(END_COMMENT);
1331 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
1333 ACPI_TABLE_HEADER *sdp;
1334 ACPI_TABLE_RSDT *rsdt;
1335 ACPI_TABLE_XSDT *xsdt;
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) {
1346 addr = le32toh(rsdt->TableOffsetEntry[i]);
1349 addr = le64toh(xsdt->TableOffsetEntry[i]);
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,
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);
1380 printf(BEGIN_COMMENT);
1381 acpi_print_sdt(sdp);
1382 printf(END_COMMENT);
1388 sdt_load_devmem(void)
1390 ACPI_TABLE_RSDP *rp;
1391 ACPI_TABLE_HEADER *rsdp;
1393 rp = acpi_find_rsd_ptr();
1395 errx(1, "Can't find ACPI information");
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);
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);
1415 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
1417 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
1419 ACPI_TABLE_HEADER sdt;
1420 ACPI_TABLE_HEADER *ssdt;
1423 /* Create a new checksum to account for the DSDT and any SSDTs. */
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);
1436 sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
1437 sdt.Checksum -= sum;
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));
1444 /* Write out any SSDTs (if present.) */
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);
1457 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
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);
1466 perror("dsdt_save_file");
1469 write_dsdt(fd, rsdt, dsdp);
1474 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1476 char buf[PATH_MAX], tmpstr[PATH_MAX];
1483 tmpdir = getenv("TMPDIR");
1486 strncpy(tmpstr, tmpdir, sizeof(tmpstr));
1487 if (realpath(tmpstr, buf) == NULL) {
1488 perror("realpath tmp dir");
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);
1498 perror("iasl tmp file");
1501 write_dsdt(fd, rsdt, dsdp);
1504 /* Run iasl -d on the temp file */
1506 close(STDOUT_FILENO);
1508 close(STDERR_FILENO);
1509 execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL);
1516 /* Dump iasl's output to stdout */
1517 strncpy(tmpext, "dsl", sizeof(tmpstr) - len);
1518 fp = fopen(tmpstr, "r");
1521 perror("iasl tmp file (read)");
1524 while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
1525 fwrite(buf, 1, len, stdout);
1530 sdt_print_all(ACPI_TABLE_HEADER *rsdp)
1532 acpi_handle_rsdt(rsdp);
1535 /* Fetch a table matching the given signature via the RSDT. */
1537 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
1539 ACPI_TABLE_HEADER *sdt;
1540 ACPI_TABLE_RSDT *rsdt;
1541 ACPI_TABLE_XSDT *xsdt;
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) {
1551 addr = le32toh(rsdt->TableOffsetEntry[i]);
1554 addr = le64toh(xsdt->TableOffsetEntry[i]);
1559 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1565 if (memcmp(sdt->Signature, sig, strlen(sig)))
1567 if (acpi_checksum(sdt, sdt->Length))
1568 errx(1, "RSDT entry %d is corrupt", i);
1576 dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
1578 ACPI_TABLE_HEADER *sdt;
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);
1584 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
1585 if (acpi_checksum(sdt, sdt->Length))
1586 errx(1, "DSDT is corrupt\n");