X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FFirmwareVolume%2FFaultTolerantWriteDxe%2FIpf%2FIpfFtwMisc.c;fp=MdeModulePkg%2FUniversal%2FFirmwareVolume%2FFaultTolerantWriteDxe%2FIpf%2FIpfFtwMisc.c;h=d31883b2ee7d05b3f2b5b0730130514e3575d675;hp=0000000000000000000000000000000000000000;hb=53c71d097b13311e2bd8dda6ae54b5766a1c7d6d;hpb=7fb66a6dff5f9737c086c700d53e5afd5bb53dc7

diff --git a/MdeModulePkg/Universal/FirmwareVolume/FaultTolerantWriteDxe/Ipf/IpfFtwMisc.c b/MdeModulePkg/Universal/FirmwareVolume/FaultTolerantWriteDxe/Ipf/IpfFtwMisc.c
new file mode 100644
index 0000000000..d31883b2ee
--- /dev/null
+++ b/MdeModulePkg/Universal/FirmwareVolume/FaultTolerantWriteDxe/Ipf/IpfFtwMisc.c
@@ -0,0 +1,143 @@
+/*++
+
+Copyright (c) 2006, Intel Corporation                                                         
+All rights reserved. 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. 
+
+Module Name:
+
+  IpfFtwMisc.c
+  
+Abstract:
+  
+  Ipf platform related code to support FtwLite..
+
+Revision History
+
+--*/
+
+
+#include <FtwLite.h>
+
+//
+// MACROs for boot block update
+//
+#define BOOT_BLOCK_BASE
+
+STATIC
+EFI_STATUS
+GetSwapState (
+  IN EFI_FTW_LITE_DEVICE    *FtwLiteDevice,
+  OUT BOOLEAN               *SwapState
+  )
+/*++
+
+Routine Description:
+
+  Get swap state
+
+Arguments:
+
+  FtwLiteDevice - Calling context
+  SwapState     - Swap state
+
+Returns:
+
+  EFI_SUCCESS - State successfully got
+
+--*/
+{
+  return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+SetSwapState (
+  IN EFI_FTW_LITE_DEVICE    *FtwLiteDevice,
+  IN  BOOLEAN               TopSwap
+  )
+/*++
+
+Routine Description:
+    Set swap state.
+
+Arguments:
+    FtwLiteDevice  - Indicates a pointer to the calling context.  
+    TopSwap        - New swap state
+
+Returns:
+    EFI_SUCCESS   - The function completed successfully
+
+Note:
+    the Top-Swap bit (bit 13, D31: F0, Offset D4h). Note that
+    software will not be able to clear the Top-Swap bit until the system is
+    rebooted without GNT[A]# being pulled down.
+
+--*/
+{
+  return EFI_SUCCESS;
+}
+
+BOOLEAN
+IsBootBlock (
+  EFI_FTW_LITE_DEVICE                 *FtwLiteDevice,
+  EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL  *FvBlock,
+  EFI_LBA                             Lba
+  )
+/*++
+
+Routine Description:
+
+  Check whether the block is a boot block.
+
+Arguments:
+
+  FtwLiteDevice - Calling context
+  FvBlock       - Fvb protocol instance
+  Lba           - Lba value
+
+Returns:
+
+  Is a boot block or not
+
+--*/
+{
+  //
+  // IPF doesn't support safe bootblock update
+  // so treat bootblock as normal block
+  //
+  return FALSE;
+}
+
+EFI_STATUS
+FlushSpareBlockToBootBlock (
+  EFI_FTW_LITE_DEVICE      *FtwLiteDevice
+  )
+/*++
+
+Routine Description:
+    Copy the content of spare block to a boot block. Size is FTW_BLOCK_SIZE.
+    Spare block is accessed by FTW backup FVB protocol interface. LBA is 
+    FtwLiteDevice->FtwSpareLba.
+    Boot block is accessed by BootFvb protocol interface. LBA is 0.
+
+Arguments:
+    FtwLiteDevice  - The private data of FTW_LITE driver
+
+Returns:
+    EFI_SUCCESS              - Spare block content is copied to boot block
+    EFI_INVALID_PARAMETER    - Input parameter error
+    EFI_OUT_OF_RESOURCES     - Allocate memory error
+    EFI_ABORTED              - The function could not complete successfully
+
+Notes:
+
+--*/
+{
+  return EFI_SUCCESS;
+}