Add ACPI LPIT (Low Power Idle Table) from FreeBSD r336185.
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@ -1,4 +1,4 @@
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/* $NetBSD: acpi.c,v 1.29 2017/09/28 06:55:08 msaitoh Exp $ */
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/* $NetBSD: acpi.c,v 1.30 2018/10/03 09:46:11 msaitoh Exp $ */
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/*-
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* Copyright (c) 1998 Doug Rabson
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@ -30,7 +30,7 @@
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: acpi.c,v 1.29 2017/09/28 06:55:08 msaitoh Exp $");
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__RCSID("$NetBSD: acpi.c,v 1.30 2018/10/03 09:46:11 msaitoh Exp $");
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#include <sys/param.h>
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#include <sys/endian.h>
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@ -86,6 +86,7 @@ static void acpi_handle_dbg2(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_einj(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_erst(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_hest(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_lpit(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_madt(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_msct(ACPI_TABLE_HEADER *sdp);
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static void acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp);
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@ -1708,6 +1709,79 @@ acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
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printf(END_COMMENT);
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}
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static void
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acpi_print_native_lpit(ACPI_LPIT_NATIVE *nl)
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{
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printf("\tEntryTrigger=");
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acpi_print_gas(&nl->EntryTrigger);
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printf("\tResidency=%u\n", nl->Residency);
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printf("\tLatency=%u\n", nl->Latency);
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if (nl->Header.Flags & ACPI_LPIT_NO_COUNTER)
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printf("\tResidencyCounter=Not Present");
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else {
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printf("\tResidencyCounter=");
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acpi_print_gas(&nl->ResidencyCounter);
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}
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if (nl->CounterFrequency)
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printf("\tCounterFrequency=%ju\n", nl->CounterFrequency);
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else
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printf("\tCounterFrequency=TSC\n");
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}
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static void
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acpi_print_lpit(ACPI_LPIT_HEADER *lpit)
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{
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if (lpit->Type == ACPI_LPIT_TYPE_NATIVE_CSTATE)
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printf("\tType=ACPI_LPIT_TYPE_NATIVE_CSTATE\n");
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else
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warnx("unknown LPIT type %u", lpit->Type);
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printf("\tLength=%u\n", lpit->Length);
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printf("\tUniqueId=0x%04x\n", lpit->UniqueId);
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#define PRINTFLAG(var, flag) printflag((var), ACPI_LPIT_## flag, #flag)
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printf("\tFlags=");
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PRINTFLAG(lpit->Flags, STATE_DISABLED);
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PRINTFLAG_END();
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#undef PRINTFLAG
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if (lpit->Type == ACPI_LPIT_TYPE_NATIVE_CSTATE)
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return acpi_print_native_lpit((ACPI_LPIT_NATIVE *)lpit);
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}
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static void
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acpi_walk_lpit(ACPI_TABLE_HEADER *table, void *first,
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void (*action)(ACPI_LPIT_HEADER *))
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{
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ACPI_LPIT_HEADER *subtable;
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char *end;
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subtable = first;
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end = (char *)table + table->Length;
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while ((char *)subtable < end) {
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printf("\n");
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if (subtable->Length < sizeof(ACPI_LPIT_HEADER)) {
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warnx("invalid subtable length %u", subtable->Length);
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return;
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}
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action(subtable);
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subtable = (ACPI_LPIT_HEADER *)((char *)subtable +
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subtable->Length);
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}
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}
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static void
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acpi_handle_lpit(ACPI_TABLE_HEADER *sdp)
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{
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ACPI_TABLE_LPIT *lpit;
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printf(BEGIN_COMMENT);
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acpi_print_sdt(sdp);
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lpit = (ACPI_TABLE_LPIT *)sdp;
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acpi_walk_lpit(sdp, (lpit + 1), acpi_print_lpit);
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printf(END_COMMENT);
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}
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static void
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acpi_handle_msct(ACPI_TABLE_HEADER *sdp)
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{
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@ -3323,6 +3397,8 @@ acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
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acpi_handle_hpet(sdp);
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else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
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acpi_handle_ecdt(sdp);
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else if (!memcmp(sdp->Signature, ACPI_SIG_LPIT, 4))
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acpi_handle_lpit(sdp);
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else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
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acpi_handle_mcfg(sdp);
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else if (!memcmp(sdp->Signature, ACPI_SIG_SBST, 4))
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@ -1,4 +1,4 @@
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.\" $NetBSD: acpidump.8,v 1.10 2017/09/01 18:35:50 msaitoh Exp $
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.\" $NetBSD: acpidump.8,v 1.11 2018/10/03 09:46:11 msaitoh Exp $
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.\" ACPI (ACPI Package)
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.\"
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.\" Copyright (c) 1999 Doug Rabson <dfr@FreeBSD.org>
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@ -30,7 +30,7 @@
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.\"
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.\" $FreeBSD: head/usr.sbin/acpi/acpidump/acpidump.8 267668 2014-06-20 09:57:27Z bapt $
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.\"
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.Dd September 1, 2017
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.Dd October 3, 2018
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.Dt ACPIDUMP 8
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.Os
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.Sh NAME
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@ -110,6 +110,7 @@ utility dumps contents of the following tables:
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.It FADT
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.It HEST
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.It HPET
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.It LPIT
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.It MADT
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.It MCFG
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.It MSCT
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