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Diffstat (limited to 'OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgPeiDxe.c')
-rw-r--r--OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgPeiDxe.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgPeiDxe.c b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgPeiDxe.c
deleted file mode 100644
index f693cff29e..0000000000
--- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgPeiDxe.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/** @file
-
- Stateful and implicitly initialized fw_cfg library implementation.
-
- Copyright (C) 2013, Red Hat, Inc.
- Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
-
- This program and the accompanying materials are licensed and made available
- under the terms and conditions of the BSD License which accompanies this
- distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
- WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-**/
-
-#include <Library/DebugLib.h>
-#include <Library/QemuFwCfgLib.h>
-
-STATIC BOOLEAN mQemuFwCfgSupported = FALSE;
-
-
-/**
- Returns a boolean indicating if the firmware configuration interface
- is available or not.
-
- This function may change fw_cfg state.
-
- @retval TRUE The interface is available
- @retval FALSE The interface is not available
-
-**/
-BOOLEAN
-EFIAPI
-QemuFwCfgIsAvailable (
- VOID
- )
-{
- return InternalQemuFwCfgIsAvailable ();
-}
-
-
-RETURN_STATUS
-EFIAPI
-QemuFwCfgInitialize (
- VOID
- )
-{
- UINT32 Signature;
- UINT32 Revision;
-
- //
- // Enable the access routines while probing to see if it is supported.
- //
- mQemuFwCfgSupported = TRUE;
-
- QemuFwCfgSelectItem (QemuFwCfgItemSignature);
- Signature = QemuFwCfgRead32 ();
- DEBUG ((EFI_D_INFO, "FW CFG Signature: 0x%x\n", Signature));
- QemuFwCfgSelectItem (QemuFwCfgItemInterfaceVersion);
- Revision = QemuFwCfgRead32 ();
- DEBUG ((EFI_D_INFO, "FW CFG Revision: 0x%x\n", Revision));
- if ((Signature != SIGNATURE_32 ('Q', 'E', 'M', 'U')) ||
- (Revision < 1)
- ) {
- DEBUG ((EFI_D_INFO, "QemuFwCfg interface not supported.\n"));
- mQemuFwCfgSupported = FALSE;
- return RETURN_SUCCESS;
- }
-
- DEBUG ((EFI_D_INFO, "QemuFwCfg interface is supported.\n"));
- return RETURN_SUCCESS;
-}
-
-
-/**
- Returns a boolean indicating if the firmware configuration interface is
- available for library-internal purposes.
-
- This function never changes fw_cfg state.
-
- @retval TRUE The interface is available internally.
- @retval FALSE The interface is not available internally.
-**/
-BOOLEAN
-EFIAPI
-InternalQemuFwCfgIsAvailable (
- VOID
- )
-{
- return mQemuFwCfgSupported;
-}