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git.proxmox.com Git - mirror_edk2.git/blob - OvmfPkg/XenPlatformPei/Cmos.h
2 PC/AT CMOS access routines
4 Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
5 Copyright (c) 2019, Citrix Systems, Inc.
7 SPDX-License-Identifier: BSD-2-Clause-Patent
15 Reads 8-bits of CMOS data.
17 Reads the 8-bits of CMOS data at the location specified by Index.
18 The 8-bit read value is returned.
20 @param Index The CMOS location to read.
22 @return The value read.
32 Writes 8-bits of CMOS data.
34 Writes 8-bits of CMOS data to the location specified by Index
35 with the value specified by Value and returns Value.
37 @param Index The CMOS location to write.
38 @param Value The value to write to CMOS.
40 @return The value written to CMOS.