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-rw-r--r--sys/dev/acpi/acpicpu.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/dev/acpi/acpicpu.c b/sys/dev/acpi/acpicpu.c
index a4f340a1ef5..8206adf95a9 100644
--- a/sys/dev/acpi/acpicpu.c
+++ b/sys/dev/acpi/acpicpu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: acpicpu.c,v 1.68 2015/08/04 22:25:54 guenther Exp $ */
+/* $OpenBSD: acpicpu.c,v 1.69 2015/09/11 22:44:30 guenther Exp $ */
/*
* Copyright (c) 2005 Marco Peereboom <marco@openbsd.org>
* Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
@@ -394,8 +394,12 @@ acpicpu_add_cstatepkg(struct aml_value *val, void *arg)
if (grd->grd_gas.register_bit_width == 0) {
method = CST_METH_HALT;
addr = 0;
- } else if (grd->grd_gas.register_bit_width == 1) {
- /* vendor == Intel */
+ } else if (grd->grd_gas.register_bit_width == 1 ||
+ grd->grd_gas.register_bit_width == 8) {
+ /*
+ * vendor 1 == Intel
+ * vendor 8 == "AML author used the bitwidth"
+ */
switch (grd->grd_gas.register_bit_offset) {
case 0x1:
method = CST_METH_IO_HALT;