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authorjmcneill <jmcneill@NetBSD.org>2020-12-06 18:38:58 +0000
committerjmcneill <jmcneill@NetBSD.org>2020-12-06 18:38:58 +0000
commitde96d75e34e4fde056f445fa040bda507dd6d985 (patch)
tree87c7b7ec8c406a2ecf46be7aec5c96d704741952 /usr.sbin/acpitools
parentf8d66196d38b1f41cbb0b9ecb63077685448e8bb (diff)
acpidump: Do not print FACS if HW_REDUCED flag is set.
According to ACPI 6.3 spec, FACS is optional when HW_REDUCED is set. ACPICA ignores the FACS completely when HW_REDUCED is set, so we need to follow suit since it is not available through /dev/acpi as the table is not installed.
Diffstat (limited to 'usr.sbin/acpitools')
-rw-r--r--usr.sbin/acpitools/acpidump/acpi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/usr.sbin/acpitools/acpidump/acpi.c b/usr.sbin/acpitools/acpidump/acpi.c
index af032883adf..4efada276f8 100644
--- a/usr.sbin/acpitools/acpidump/acpi.c
+++ b/usr.sbin/acpitools/acpidump/acpi.c
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi.c,v 1.46 2019/06/22 12:39:40 maxv Exp $ */
+/* $NetBSD: acpi.c,v 1.47 2020/12/06 18:38:58 jmcneill Exp $ */
/*-
* Copyright (c) 1998 Doug Rabson
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: acpi.c,v 1.46 2019/06/22 12:39:40 maxv Exp $");
+__RCSID("$NetBSD: acpi.c,v 1.47 2020/12/06 18:38:58 jmcneill Exp $");
#include <sys/param.h>
#include <sys/endian.h>
@@ -836,7 +836,7 @@ acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
if (acpi_select_address(fadt->Facs, fadt->XFacs) == 0) {
if ((fadt->Flags & ACPI_FADT_HW_REDUCED) == 0)
errx(EXIT_FAILURE, "Missing FACS and HW_REDUCED_ACPI flag not set in FADT");
- } else {
+ } else if ((fadt->Flags & ACPI_FADT_HW_REDUCED) == 0) {
facs = (ACPI_TABLE_FACS *)acpi_map_sdt(
acpi_select_address(fadt->Facs, fadt->XFacs));
if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)