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",
127 acpi_print_string(char *s, size_t length)
131 /* Trim trailing spaces and NULLs */
132 while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
142 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
144 switch(gas->SpaceId) {
145 case ACPI_GAS_MEMORY:
146 printf("0x%08lx:%u[%u] (Memory)", (u_long)gas->Address,
147 gas->BitOffset, gas->BitWidth);
150 printf("0x%02lx:%u[%u] (IO)", (u_long)gas->Address,
151 gas->BitOffset, gas->BitWidth);
154 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
155 (uint16_t)((gas->Address >> 16) & 0xffff),
156 (uint16_t)gas->Address);
158 /* XXX How to handle these below? */
159 case ACPI_GAS_EMBEDDED:
160 printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
161 gas->BitOffset, gas->BitWidth);
164 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
165 gas->BitOffset, gas->BitWidth);
168 case ACPI_GAS_PCIBAR:
169 case ACPI_GAS_DATATABLE:
172 printf("0x%08lx (?)", (u_long)gas->Address);
177 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
179 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
183 /* Set the FADT revision separately from the RSDP version. */
184 if (addr_size == 8) {
188 * A few systems (e.g., IBM T23) have an RSDP that claims
189 * revision 2 but the 64 bit addresses are invalid. If
190 * revision 2 and the 32 bit address is non-zero but the
191 * 32 and 64 bit versions don't match, prefer the 32 bit
192 * version for all subsequent tables.
194 if (fadt->Facs != 0 &&
195 (fadt->XFacs & 0xffffffff) != fadt->Facs)
199 return (fadt_revision);
203 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
205 ACPI_TABLE_HEADER *dsdp;
206 ACPI_TABLE_FACS *facs;
207 ACPI_TABLE_FADT *fadt;
210 fadt = (ACPI_TABLE_FADT *)sdp;
211 acpi_print_fadt(sdp);
213 fadt_revision = acpi_get_fadt_revision(fadt);
214 if (fadt_revision == 1)
215 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs);
217 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->XFacs);
218 if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)
219 errx(1, "FACS is corrupt");
220 acpi_print_facs(facs);
222 if (fadt_revision == 1)
223 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
225 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
226 if (acpi_checksum(dsdp, dsdp->Length))
227 errx(1, "DSDT is corrupt");
228 acpi_print_dsdt(dsdp);
232 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
233 void (*action)(ACPI_SUBTABLE_HEADER *))
235 ACPI_SUBTABLE_HEADER *subtable;
239 end = (char *)table + table->Length;
240 while ((char *)subtable < end) {
243 subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
249 acpi_print_cpu(u_char cpu_id)
252 printf("\tACPI CPU=");
256 printf("%d\n", (u_int)cpu_id);
260 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
263 printf("\tUID=%d", uid);
264 if (uid_string != NULL)
265 printf(" (%s)", uid_string);
270 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
274 if (flags & ACPI_MADT_ENABLED)
279 printf("\tAPIC ID=%d\n", apic_id);
283 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
286 printf("\tAPIC ID=%d\n", apic_id);
287 printf("\tINT BASE=%d\n", int_base);
288 printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
292 acpi_print_mps_flags(uint16_t flags)
295 printf("\tFlags={Polarity=");
296 switch (flags & ACPI_MADT_POLARITY_MASK) {
297 case ACPI_MADT_POLARITY_CONFORMS:
298 printf("conforming");
300 case ACPI_MADT_POLARITY_ACTIVE_HIGH:
303 case ACPI_MADT_POLARITY_ACTIVE_LOW:
307 printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
310 printf(", Trigger=");
311 switch (flags & ACPI_MADT_TRIGGER_MASK) {
312 case ACPI_MADT_TRIGGER_CONFORMS:
313 printf("conforming");
315 case ACPI_MADT_TRIGGER_EDGE:
318 case ACPI_MADT_TRIGGER_LEVEL:
322 printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
328 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
331 printf("\tINTR=%d\n", intr);
332 acpi_print_mps_flags(mps_flags);
336 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
339 printf("\tLINT Pin=%d\n", lint);
340 acpi_print_mps_flags(mps_flags);
343 const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override", "NMI",
344 "Local APIC NMI", "Local APIC Override",
345 "IO SAPIC", "Local SAPIC", "Platform Interrupt",
346 "Local X2APIC", "Local X2APIC NMI" };
347 const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
348 "Corrected Platform Error" };
351 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
353 ACPI_MADT_LOCAL_APIC *lapic;
354 ACPI_MADT_IO_APIC *ioapic;
355 ACPI_MADT_INTERRUPT_OVERRIDE *over;
356 ACPI_MADT_NMI_SOURCE *nmi;
357 ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi;
358 ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over;
359 ACPI_MADT_IO_SAPIC *iosapic;
360 ACPI_MADT_LOCAL_SAPIC *lsapic;
361 ACPI_MADT_INTERRUPT_SOURCE *isrc;
362 ACPI_MADT_LOCAL_X2APIC *x2apic;
363 ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi;
365 if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0]))
366 printf("\tType=%s\n", apic_types[mp->Type]);
368 printf("\tType=%d (unknown)\n", mp->Type);
370 case ACPI_MADT_TYPE_LOCAL_APIC:
371 lapic = (ACPI_MADT_LOCAL_APIC *)mp;
372 acpi_print_cpu(lapic->ProcessorId);
373 acpi_print_local_apic(lapic->Id, lapic->LapicFlags);
375 case ACPI_MADT_TYPE_IO_APIC:
376 ioapic = (ACPI_MADT_IO_APIC *)mp;
377 acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
380 case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
381 over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp;
382 printf("\tBUS=%d\n", (u_int)over->Bus);
383 printf("\tIRQ=%d\n", (u_int)over->SourceIrq);
384 acpi_print_intr(over->GlobalIrq, over->IntiFlags);
386 case ACPI_MADT_TYPE_NMI_SOURCE:
387 nmi = (ACPI_MADT_NMI_SOURCE *)mp;
388 acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
390 case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
391 lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp;
392 acpi_print_cpu(lapic_nmi->ProcessorId);
393 acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags);
395 case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
396 lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp;
397 printf("\tLocal APIC ADDR=0x%016jx\n",
398 (uintmax_t)lapic_over->Address);
400 case ACPI_MADT_TYPE_IO_SAPIC:
401 iosapic = (ACPI_MADT_IO_SAPIC *)mp;
402 acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
405 case ACPI_MADT_TYPE_LOCAL_SAPIC:
406 lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp;
407 acpi_print_cpu(lsapic->ProcessorId);
408 acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags);
409 printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid);
410 if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid))
411 acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString);
413 case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
414 isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp;
415 if (isrc->Type < sizeof(platform_int_types) /
416 sizeof(platform_int_types[0]))
417 printf("\tType=%s\n", platform_int_types[isrc->Type]);
419 printf("\tType=%d (unknown)\n", isrc->Type);
420 printf("\tAPIC ID=%d\n", (u_int)isrc->Id);
421 printf("\tAPIC EID=%d\n", (u_int)isrc->Eid);
422 printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector);
423 acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags);
425 case ACPI_MADT_TYPE_LOCAL_X2APIC:
426 x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp;
427 acpi_print_cpu_uid(x2apic->Uid, NULL);
428 acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags);
430 case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
431 x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp;
432 acpi_print_cpu_uid(x2apic_nmi->Uid, NULL);
433 acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags);
439 acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
441 ACPI_TABLE_MADT *madt;
443 printf(BEGIN_COMMENT);
445 madt = (ACPI_TABLE_MADT *)sdp;
446 printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
448 if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
451 acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
456 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
458 ACPI_TABLE_HPET *hpet;
460 printf(BEGIN_COMMENT);
462 hpet = (ACPI_TABLE_HPET *)sdp;
463 printf("\tHPET Number=%d\n", hpet->Sequence);
465 acpi_print_gas(&hpet->Address);
466 printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID);
467 printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >>
469 printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
471 printf("\tLegacy IRQ routing capable={");
472 if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
476 printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
477 printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
482 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
484 ACPI_TABLE_ECDT *ecdt;
486 printf(BEGIN_COMMENT);
488 ecdt = (ACPI_TABLE_ECDT *)sdp;
489 printf("\tEC_CONTROL=");
490 acpi_print_gas(&ecdt->Control);
491 printf("\n\tEC_DATA=");
492 acpi_print_gas(&ecdt->Data);
493 printf("\n\tUID=%#x, ", ecdt->Uid);
494 printf("GPE_BIT=%#x\n", ecdt->Gpe);
495 printf("\tEC_ID=%s\n", ecdt->Id);
500 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
502 ACPI_TABLE_MCFG *mcfg;
503 ACPI_MCFG_ALLOCATION *alloc;
506 printf(BEGIN_COMMENT);
508 mcfg = (ACPI_TABLE_MCFG *)sdp;
509 entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) /
510 sizeof(ACPI_MCFG_ALLOCATION);
511 alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
512 for (i = 0; i < entries; i++, alloc++) {
514 printf("\tBase Address=0x%016jx\n", alloc->Address);
515 printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
516 printf("\tStart Bus=%d\n", alloc->StartBusNumber);
517 printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
523 acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
525 ACPI_TABLE_SLIT *slit;
528 printf(BEGIN_COMMENT);
530 slit = (ACPI_TABLE_SLIT *)sdp;
531 printf("\tLocality Count=%jd\n", slit->LocalityCount);
533 for (i = 0; i < slit->LocalityCount; i++)
536 for (i = 0; i < slit->LocalityCount; i++)
539 for (i = 0; i < slit->LocalityCount; i++) {
540 printf("\t %3jd |", i);
541 for (j = 0; j < slit->LocalityCount; j++)
543 slit->Entry[i * slit->LocalityCount + j]);
550 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
555 if (flags & ACPI_SRAT_CPU_ENABLED)
560 printf("\tAPIC ID=%d\n", apic_id);
561 printf("\tProximity Domain=%d\n", proximity_domain);
565 acpi_tcpa_evname(struct TCPAevent *event)
567 struct TCPApc_event *pc_event;
568 char *eventname = NULL;
570 pc_event = (struct TCPApc_event *)(event + 1);
572 switch(event->event_type) {
581 case PLATFORM_CONFIG_FLAGS:
582 case TABLE_OF_DEVICES:
585 case IPL_PARTITION_DATA:
589 asprintf(&eventname, "%s",
590 tcpa_event_type_strings[event->event_type]);
594 eventname = calloc(event->event_size + 1, sizeof(char));
595 memcpy(eventname, pc_event, event->event_size);
599 switch (pc_event->event_id) {
604 case OPTION_ROM_EXEC:
605 case OPTION_ROM_CONFIG:
609 case OPTION_ROM_MICROCODE:
610 case S_CRTM_CONTENTS:
612 asprintf(&eventname, "%s",
613 TCPA_pcclient_strings[pc_event->event_id]);
617 asprintf(&eventname, "<unknown tag 0x%02x>",
624 asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
632 acpi_print_tcpa(struct TCPAevent *event)
637 eventname = acpi_tcpa_evname(event);
639 printf("\t%d", event->pcr_index);
641 for (i = 0; i < 20; i++)
642 printf("%02x", event->pcr_value[i]);
643 printf(" [%s]\n", eventname ? eventname : "<unknown>");
649 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
651 struct TCPAbody *tcpa;
652 struct TCPAevent *event;
653 uintmax_t len, paddr;
654 unsigned char *vaddr = NULL;
655 unsigned char *vend = NULL;
657 printf(BEGIN_COMMENT);
659 tcpa = (struct TCPAbody *) sdp;
661 switch (tcpa->platform_class) {
662 case ACPI_TCPA_BIOS_CLIENT:
663 len = tcpa->client.log_max_len;
664 paddr = tcpa->client.log_start_addr;
667 case ACPI_TCPA_BIOS_SERVER:
668 len = tcpa->server.log_max_len;
669 paddr = tcpa->server.log_start_addr;
677 printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
678 tcpa->platform_class, paddr, len);
681 printf("\tEmpty TCPA table\n");
686 vaddr = (unsigned char *)acpi_map_physical(paddr, len);
689 while (vaddr != NULL) {
690 if (vaddr + sizeof(struct TCPAevent) >= vend)
692 event = (struct TCPAevent *)(void *)vaddr;
693 if (vaddr + event->event_size >= vend)
695 if (event->event_type == 0 && event->event_size == 0)
699 unsigned int i, j, k;
701 printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr);
702 for (j = 0, i = 0; i <
703 sizeof(struct TCPAevent) + event->event_size; i++) {
704 printf("%02x ", vaddr[i]);
705 if ((i+1) % 8 == 0) {
706 for (k = 0; k < 8; k++)
707 printf("%c", isprint(vaddr[j+k]) ?
709 printf("\n\t\t%p ", &vaddr[i + 1]);
715 acpi_print_tcpa(event);
717 vaddr += sizeof(struct TCPAevent) + event->event_size;
724 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
728 if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
732 if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
733 printf(",HOT_PLUGGABLE");
734 if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE)
735 printf(",NON_VOLATILE");
737 printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress);
738 printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length);
739 printf("\tProximity Domain=%d\n", mp->ProximityDomain);
742 const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
745 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
747 ACPI_SRAT_CPU_AFFINITY *cpu;
748 ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
750 if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0]))
751 printf("\tType=%s\n", srat_types[srat->Type]);
753 printf("\tType=%d (unknown)\n", srat->Type);
754 switch (srat->Type) {
755 case ACPI_SRAT_TYPE_CPU_AFFINITY:
756 cpu = (ACPI_SRAT_CPU_AFFINITY *)srat;
757 acpi_print_srat_cpu(cpu->ApicId,
758 cpu->ProximityDomainHi[2] << 24 |
759 cpu->ProximityDomainHi[1] << 16 |
760 cpu->ProximityDomainHi[0] << 0 |
761 cpu->ProximityDomainLo, cpu->Flags);
763 case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
764 acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
766 case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
767 x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat;
768 acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain,
775 acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
777 ACPI_TABLE_SRAT *srat;
779 printf(BEGIN_COMMENT);
781 srat = (ACPI_TABLE_SRAT *)sdp;
782 printf("\tTable Revision=%d\n", srat->TableRevision);
783 acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat);
788 acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
791 acpi_print_string(sdp->Signature, ACPI_NAME_SIZE);
792 printf(": Length=%d, Revision=%d, Checksum=%d,\n",
793 sdp->Length, sdp->Revision, sdp->Checksum);
795 acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE);
796 printf(", OEM Table ID=");
797 acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE);
798 printf(", OEM Revision=0x%x,\n", sdp->OemRevision);
799 printf("\tCreator ID=");
800 acpi_print_string(sdp->AslCompilerId, ACPI_NAME_SIZE);
801 printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision);
805 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
807 ACPI_TABLE_RSDT *rsdt;
808 ACPI_TABLE_XSDT *xsdt;
812 rsdt = (ACPI_TABLE_RSDT *)rsdp;
813 xsdt = (ACPI_TABLE_XSDT *)rsdp;
814 printf(BEGIN_COMMENT);
815 acpi_print_sdt(rsdp);
816 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
817 printf("\tEntries={ ");
818 for (i = 0; i < entries; i++) {
823 addr = le32toh(rsdt->TableOffsetEntry[i]);
826 addr = le64toh(xsdt->TableOffsetEntry[i]);
832 printf("0x%08lx", addr);
838 static const char *acpi_pm_profiles[] = {
839 "Unspecified", "Desktop", "Mobile", "Workstation",
840 "Enterprise Server", "SOHO Server", "Appliance PC"
844 acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
846 ACPI_TABLE_FADT *fadt;
850 fadt = (ACPI_TABLE_FADT *)sdp;
851 printf(BEGIN_COMMENT);
853 printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs,
855 printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
856 if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
859 pm = acpi_pm_profiles[fadt->PreferredProfile];
860 printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile);
861 printf("\tSCI_INT=%d\n", fadt->SciInterrupt);
862 printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand);
863 printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable);
864 printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable);
865 printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest);
866 printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl);
867 printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
868 fadt->Pm1aEventBlock,
869 fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1);
870 if (fadt->Pm1bEventBlock != 0)
871 printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
872 fadt->Pm1bEventBlock,
873 fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1);
874 printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
875 fadt->Pm1aControlBlock,
876 fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1);
877 if (fadt->Pm1bControlBlock != 0)
878 printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
879 fadt->Pm1bControlBlock,
880 fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1);
881 if (fadt->Pm2ControlBlock != 0)
882 printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
883 fadt->Pm2ControlBlock,
884 fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1);
885 printf("\tPM_TMR_BLK=0x%x-0x%x\n",
887 fadt->PmTimerBlock + fadt->PmTimerLength - 1);
888 if (fadt->Gpe0Block != 0)
889 printf("\tGPE0_BLK=0x%x-0x%x\n",
891 fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
892 if (fadt->Gpe1Block != 0)
893 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
895 fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
897 if (fadt->CstControl != 0)
898 printf("\tCST_CNT=0x%x\n", fadt->CstControl);
899 printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
900 fadt->C2Latency, fadt->C3Latency);
901 printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
902 fadt->FlushSize, fadt->FlushStride);
903 printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
904 fadt->DutyOffset, fadt->DutyWidth);
905 printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
906 fadt->DayAlarm, fadt->MonthAlarm, fadt->Century);
908 #define PRINTFLAG(var, flag) do { \
909 if ((var) & ACPI_FADT_## flag) { \
910 printf("%c%s", sep, #flag); sep = ','; \
914 printf("\tIAPC_BOOT_ARCH=");
916 PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES);
917 PRINTFLAG(fadt->BootFlags, 8042);
918 PRINTFLAG(fadt->BootFlags, NO_VGA);
919 PRINTFLAG(fadt->BootFlags, NO_MSI);
920 PRINTFLAG(fadt->BootFlags, NO_ASPM);
921 if (fadt->BootFlags != 0)
927 PRINTFLAG(fadt->Flags, WBINVD);
928 PRINTFLAG(fadt->Flags, WBINVD_FLUSH);
929 PRINTFLAG(fadt->Flags, C1_SUPPORTED);
930 PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED);
931 PRINTFLAG(fadt->Flags, POWER_BUTTON);
932 PRINTFLAG(fadt->Flags, SLEEP_BUTTON);
933 PRINTFLAG(fadt->Flags, FIXED_RTC);
934 PRINTFLAG(fadt->Flags, S4_RTC_WAKE);
935 PRINTFLAG(fadt->Flags, 32BIT_TIMER);
936 PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED);
937 PRINTFLAG(fadt->Flags, RESET_REGISTER);
938 PRINTFLAG(fadt->Flags, SEALED_CASE);
939 PRINTFLAG(fadt->Flags, HEADLESS);
940 PRINTFLAG(fadt->Flags, SLEEP_TYPE);
941 PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE);
942 PRINTFLAG(fadt->Flags, PLATFORM_CLOCK);
943 PRINTFLAG(fadt->Flags, S4_RTC_VALID);
944 PRINTFLAG(fadt->Flags, REMOTE_POWER_ON);
945 PRINTFLAG(fadt->Flags, APIC_CLUSTER);
946 PRINTFLAG(fadt->Flags, APIC_PHYSICAL);
947 if (fadt->Flags != 0)
952 if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
953 printf("\tRESET_REG=");
954 acpi_print_gas(&fadt->ResetRegister);
955 printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
957 if (acpi_get_fadt_revision(fadt) > 1) {
958 printf("\tX_FACS=0x%08lx, ", (u_long)fadt->XFacs);
959 printf("X_DSDT=0x%08lx\n", (u_long)fadt->XDsdt);
960 printf("\tX_PM1a_EVT_BLK=");
961 acpi_print_gas(&fadt->XPm1aEventBlock);
962 if (fadt->XPm1bEventBlock.Address != 0) {
963 printf("\n\tX_PM1b_EVT_BLK=");
964 acpi_print_gas(&fadt->XPm1bEventBlock);
966 printf("\n\tX_PM1a_CNT_BLK=");
967 acpi_print_gas(&fadt->XPm1aControlBlock);
968 if (fadt->XPm1bControlBlock.Address != 0) {
969 printf("\n\tX_PM1b_CNT_BLK=");
970 acpi_print_gas(&fadt->XPm1bControlBlock);
972 if (fadt->XPm2ControlBlock.Address != 0) {
973 printf("\n\tX_PM2_CNT_BLK=");
974 acpi_print_gas(&fadt->XPm2ControlBlock);
976 printf("\n\tX_PM_TMR_BLK=");
977 acpi_print_gas(&fadt->XPmTimerBlock);
978 if (fadt->XGpe0Block.Address != 0) {
979 printf("\n\tX_GPE0_BLK=");
980 acpi_print_gas(&fadt->XGpe0Block);
982 if (fadt->XGpe1Block.Address != 0) {
983 printf("\n\tX_GPE1_BLK=");
984 acpi_print_gas(&fadt->XGpe1Block);
993 acpi_print_facs(ACPI_TABLE_FACS *facs)
995 printf(BEGIN_COMMENT);
996 printf(" FACS:\tLength=%u, ", facs->Length);
997 printf("HwSig=0x%08x, ", facs->HardwareSignature);
998 printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector);
1000 printf("\tGlobal_Lock=");
1001 if (facs->GlobalLock != 0) {
1002 if (facs->GlobalLock & ACPI_GLOCK_PENDING)
1004 if (facs->GlobalLock & ACPI_GLOCK_OWNED)
1010 if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
1014 if (facs->XFirmwareWakingVector != 0) {
1015 printf("\tX_Firm_Wake_Vec=%08lx\n",
1016 (u_long)facs->XFirmwareWakingVector);
1018 printf("\tVersion=%u\n", facs->Version);
1020 printf(END_COMMENT);
1024 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1026 printf(BEGIN_COMMENT);
1027 acpi_print_sdt(dsdp);
1028 printf(END_COMMENT);
1032 acpi_checksum(void *p, size_t length)
1045 static ACPI_TABLE_HEADER *
1046 acpi_map_sdt(vm_offset_t pa)
1048 ACPI_TABLE_HEADER *sp;
1050 sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
1051 sp = acpi_map_physical(pa, sp->Length);
1056 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
1058 printf(BEGIN_COMMENT);
1059 printf(" RSD PTR: OEM=");
1060 acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE);
1061 printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x",
1063 if (rp->Revision < 2) {
1064 printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
1067 printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n",
1068 (u_long)rp->XsdtPhysicalAddress, rp->Length,
1069 rp->ExtendedChecksum);
1071 printf(END_COMMENT);
1075 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
1077 ACPI_TABLE_HEADER *sdp;
1078 ACPI_TABLE_RSDT *rsdt;
1079 ACPI_TABLE_XSDT *xsdt;
1083 acpi_print_rsdt(rsdp);
1084 rsdt = (ACPI_TABLE_RSDT *)rsdp;
1085 xsdt = (ACPI_TABLE_XSDT *)rsdp;
1086 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1087 for (i = 0; i < entries; i++) {
1088 switch (addr_size) {
1090 addr = le32toh(rsdt->TableOffsetEntry[i]);
1093 addr = le64toh(xsdt->TableOffsetEntry[i]);
1099 sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1100 if (acpi_checksum(sdp, sdp->Length)) {
1101 warnx("RSDT entry %d (sig %.4s) is corrupt", i,
1105 if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4))
1106 acpi_handle_fadt(sdp);
1107 else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4))
1108 acpi_handle_madt(sdp);
1109 else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4))
1110 acpi_handle_hpet(sdp);
1111 else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
1112 acpi_handle_ecdt(sdp);
1113 else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
1114 acpi_handle_mcfg(sdp);
1115 else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4))
1116 acpi_handle_slit(sdp);
1117 else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4))
1118 acpi_handle_srat(sdp);
1119 else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4))
1120 acpi_handle_tcpa(sdp);
1122 printf(BEGIN_COMMENT);
1123 acpi_print_sdt(sdp);
1124 printf(END_COMMENT);
1130 sdt_load_devmem(void)
1132 ACPI_TABLE_RSDP *rp;
1133 ACPI_TABLE_HEADER *rsdp;
1135 rp = acpi_find_rsd_ptr();
1137 errx(1, "Can't find ACPI information");
1140 acpi_print_rsd_ptr(rp);
1141 if (rp->Revision < 2) {
1142 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress);
1143 if (memcmp(rsdp->Signature, "RSDT", 4) != 0 ||
1144 acpi_checksum(rsdp, rsdp->Length) != 0)
1145 errx(1, "RSDT is corrupted");
1146 addr_size = sizeof(uint32_t);
1148 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
1149 if (memcmp(rsdp->Signature, "XSDT", 4) != 0 ||
1150 acpi_checksum(rsdp, rsdp->Length) != 0)
1151 errx(1, "XSDT is corrupted");
1152 addr_size = sizeof(uint64_t);
1157 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
1159 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
1161 ACPI_TABLE_HEADER sdt;
1162 ACPI_TABLE_HEADER *ssdt;
1165 /* Create a new checksum to account for the DSDT and any SSDTs. */
1169 sum = acpi_checksum(dsdt + 1, dsdt->Length -
1170 sizeof(ACPI_TABLE_HEADER));
1171 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
1172 while (ssdt != NULL) {
1173 sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER);
1174 sum += acpi_checksum(ssdt + 1,
1175 ssdt->Length - sizeof(ACPI_TABLE_HEADER));
1176 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
1178 sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
1179 sdt.Checksum -= sum;
1182 /* Write out the DSDT header and body. */
1183 write(fd, &sdt, sizeof(ACPI_TABLE_HEADER));
1184 write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER));
1186 /* Write out any SSDTs (if present.) */
1188 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
1189 while (ssdt != NULL) {
1190 write(fd, ssdt + 1, ssdt->Length -
1191 sizeof(ACPI_TABLE_HEADER));
1192 ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
1199 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1204 assert(outfile != NULL);
1205 mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
1206 fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
1208 perror("dsdt_save_file");
1211 write_dsdt(fd, rsdt, dsdp);
1216 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1218 char buf[PATH_MAX], tmpstr[PATH_MAX];
1225 tmpdir = getenv("TMPDIR");
1228 strncpy(tmpstr, tmpdir, sizeof(tmpstr));
1229 if (realpath(tmpstr, buf) == NULL) {
1230 perror("realpath tmp dir");
1233 strncpy(tmpstr, buf, sizeof(tmpstr));
1234 strncat(tmpstr, "/acpidump.", sizeof(tmpstr) - strlen(buf));
1235 len = strlen(tmpstr);
1236 tmpext = tmpstr + len;
1237 strncpy(tmpext, "XXXXXX", sizeof(tmpstr) - len);
1238 fd = mkstemp(tmpstr);
1240 perror("iasl tmp file");
1243 write_dsdt(fd, rsdt, dsdp);
1246 /* Run iasl -d on the temp file */
1248 close(STDOUT_FILENO);
1250 close(STDERR_FILENO);
1251 execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL);
1258 /* Dump iasl's output to stdout */
1259 strncpy(tmpext, "dsl", sizeof(tmpstr) - len);
1260 fp = fopen(tmpstr, "r");
1263 perror("iasl tmp file (read)");
1266 while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
1267 fwrite(buf, 1, len, stdout);
1272 sdt_print_all(ACPI_TABLE_HEADER *rsdp)
1274 acpi_handle_rsdt(rsdp);
1277 /* Fetch a table matching the given signature via the RSDT. */
1279 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
1281 ACPI_TABLE_HEADER *sdt;
1282 ACPI_TABLE_RSDT *rsdt;
1283 ACPI_TABLE_XSDT *xsdt;
1287 rsdt = (ACPI_TABLE_RSDT *)rsdp;
1288 xsdt = (ACPI_TABLE_XSDT *)rsdp;
1289 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1290 for (i = 0; i < entries; i++) {
1291 switch (addr_size) {
1293 addr = le32toh(rsdt->TableOffsetEntry[i]);
1296 addr = le64toh(xsdt->TableOffsetEntry[i]);
1301 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1307 if (memcmp(sdt->Signature, sig, strlen(sig)))
1309 if (acpi_checksum(sdt, sdt->Length))
1310 errx(1, "RSDT entry %d is corrupt", i);
1318 dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
1320 ACPI_TABLE_HEADER *sdt;
1322 /* Use the DSDT address if it is version 1, otherwise use XDSDT. */
1323 if (acpi_get_fadt_revision(fadt) == 1)
1324 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
1326 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
1327 if (acpi_checksum(sdt, sdt->Length))
1328 errx(1, "DSDT is corrupt\n");