From be887447705726b169d75b267d4beb7f4037ae59 Mon Sep 17 00:00:00 2001
From: niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 28 Jan 2011 09:21:43 +0000
Subject: [PATCH] Add back the BdsDeleteBootOption to pass build.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11283 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../Universal/BdsDxe/BootMaint/BootMaint.c    | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.c b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.c
index ac09201fb4..6e15e096a6 100644
--- a/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.c
+++ b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.c
@@ -1441,3 +1441,59 @@ FormSetDispatcher (
 }
 
 
+/**
+  Deletete the Boot Option from EFI Variable. The Boot Order Arrray
+  is also updated.
+
+  @param OptionNumber    The number of Boot option want to be deleted.
+  @param BootOrder       The Boot Order array.
+  @param BootOrderSize   The size of the Boot Order Array.
+
+  @retval  EFI_SUCCESS           The Boot Option Variable was found and removed
+  @retval  EFI_UNSUPPORTED       The Boot Option Variable store was inaccessible
+  @retval  EFI_NOT_FOUND         The Boot Option Variable was not found
+**/
+EFI_STATUS
+EFIAPI
+BdsDeleteBootOption (
+  IN UINTN                       OptionNumber,
+  IN OUT UINT16                  *BootOrder,
+  IN OUT UINTN                   *BootOrderSize
+  )
+{
+  UINT16      BootOption[100];
+  UINTN       Index;
+  EFI_STATUS  Status;
+  UINTN       Index2Del;
+
+  Status    = EFI_SUCCESS;
+  Index2Del = 0;
+
+  UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", OptionNumber);
+  Status = EfiLibDeleteVariable (BootOption, &gEfiGlobalVariableGuid);
+  
+  //
+  // adjust boot order array
+  //
+  for (Index = 0; Index < *BootOrderSize / sizeof (UINT16); Index++) {
+    if (BootOrder[Index] == OptionNumber) {
+      Index2Del = Index;
+      break;
+    }
+  }
+
+  if (Index != *BootOrderSize / sizeof (UINT16)) {
+    for (Index = 0; Index < *BootOrderSize / sizeof (UINT16) - 1; Index++) {
+      if (Index >= Index2Del) {
+        BootOrder[Index] = BootOrder[Index + 1];
+      }
+    }
+
+    *BootOrderSize -= sizeof (UINT16);
+  }
+
+  return Status;
+
+}
+
+