1 files changed, 0 insertions, 117 deletions
diff --git a/OvmfPkg/Csm/LegacyBiosDxe/LegacyCmos.c b/OvmfPkg/Csm/LegacyBiosDxe/LegacyCmos.c
deleted file mode 100644
index 7220d8e..0000000
--- a/OvmfPkg/Csm/LegacyBiosDxe/LegacyCmos.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/** @file
-  This code fills in standard CMOS values and updates the standard CMOS
-  checksum. The Legacy16 code or LegacyBiosPlatform.c is responsible for
-  non-standard CMOS locations and non-standard checksums.
-
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
-
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "LegacyBiosInterface.h"
-
-/**
-  Read CMOS register through index/data port.
-
-  @param[in]  Index   The index of the CMOS register to read.
-
-  @return  The data value from the CMOS register specified by Index.
-
-**/
-UINT8
-LegacyReadStandardCmos (
-  IN UINT8  Index
-  )
-{
-  IoWrite8 (PORT_70, Index);
-  return IoRead8 (PORT_71);
-}
-
-/**
-  Write CMOS register through index/data port.
-
-  @param[in]  Index  The index of the CMOS register to write.
-  @param[in]  Value  The value of CMOS register to write.
-
-  @return  The value written to the CMOS register specified by Index.
-
-**/
-UINT8
-LegacyWriteStandardCmos (
-  IN UINT8  Index,
-  IN UINT8  Value
-  )
-{
-  IoWrite8 (PORT_70, Index);
-  return IoWrite8 (PORT_71, Value);
-}
-
-/**
-  Calculate the new standard CMOS checksum and write it.
-
-  @param  Private      Legacy BIOS Instance data
-
-  @retval EFI_SUCCESS  Calculate 16-bit checksum successfully
-
-**/
-EFI_STATUS
-LegacyCalculateWriteStandardCmosChecksum (
-  VOID
-  )
-{
-  UINT8   Register;
-  UINT16  Checksum;
-
-  for (Checksum = 0, Register = 0x10; Register < 0x2e; Register++) {
-    Checksum = (UINT16)(Checksum + LegacyReadStandardCmos (Register));
-  }
-
-  LegacyWriteStandardCmos (CMOS_2E, (UINT8)(Checksum >> 8));
-  LegacyWriteStandardCmos (CMOS_2F, (UINT8)(Checksum & 0xff));
-  return EFI_SUCCESS;
-}
-
-/**
-  Fill in the standard CMOS stuff before Legacy16 load
-
-  @param  Private      Legacy BIOS Instance data
-
-  @retval EFI_SUCCESS  It should always work.
-
-**/
-EFI_STATUS
-LegacyBiosInitCmos (
-  IN  LEGACY_BIOS_INSTANCE  *Private
-  )
-{
-  UINT32  Size;
-
-  //
-  //  Clear all errors except RTC lost power
-  //
-  LegacyWriteStandardCmos (CMOS_0E, (UINT8)(LegacyReadStandardCmos (CMOS_0E) & BIT7));
-
-  //
-  // Update CMOS locations 15,16,17,18,30,31 and 32
-  // CMOS 16,15 = 640Kb = 0x280
-  // CMOS 18,17 = 31,30 = 15Mb max in 1Kb increments =0x3C00 max
-  // CMOS 32 = 0x20
-  //
-  LegacyWriteStandardCmos (CMOS_15, 0x80);
-  LegacyWriteStandardCmos (CMOS_16, 0x02);
-
-  Size = 15 * SIZE_1MB;
-  if (Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb < (15 * SIZE_1MB)) {
-    Size = Private->IntThunk->EfiToLegacy16InitTable.OsMemoryAbove1Mb >> 10;
-  }
-
-  LegacyWriteStandardCmos (CMOS_17, (UINT8)(Size & 0xFF));
-  LegacyWriteStandardCmos (CMOS_30, (UINT8)(Size & 0xFF));
-  LegacyWriteStandardCmos (CMOS_18, (UINT8)(Size >> 8));
-  LegacyWriteStandardCmos (CMOS_31, (UINT8)(Size >> 8));
-
-  LegacyCalculateWriteStandardCmosChecksum ();
-
-  return EFI_SUCCESS;
-}