diff options
Diffstat (limited to 'OvmfPkg/Bhyve/PlatformPei/Cmos.h')
-rw-r--r-- | OvmfPkg/Bhyve/PlatformPei/Cmos.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/OvmfPkg/Bhyve/PlatformPei/Cmos.h b/OvmfPkg/Bhyve/PlatformPei/Cmos.h new file mode 100644 index 0000000000..3cd98799a3 --- /dev/null +++ b/OvmfPkg/Bhyve/PlatformPei/Cmos.h @@ -0,0 +1,50 @@ +/** @file
+ PC/AT CMOS access routines
+
+ Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __CMOS_H__
+#define __CMOS_H__
+
+/**
+ Reads 8-bits of CMOS data.
+
+ Reads the 8-bits of CMOS data at the location specified by Index.
+ The 8-bit read value is returned.
+
+ @param Index The CMOS location to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+CmosRead8 (
+ IN UINTN Index
+ );
+
+/**
+ Writes 8-bits of CMOS data.
+
+ Writes 8-bits of CMOS data to the location specified by Index
+ with the value specified by Value and returns Value.
+
+ @param Index The CMOS location to write.
+ @param Value The value to write to CMOS.
+
+ @return The value written to CMOS.
+
+**/
+UINT8
+EFIAPI
+CmosWrite8 (
+ IN UINTN Index,
+ IN UINT8 Value
+ );
+
+
+#endif
+
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