Unix version of EFI emulator

[mirror_edk2.git] / EdkUnixPkg / RuntimeDxe / FvbServices / FvbInfo.c

diff --git a/EdkUnixPkg/RuntimeDxe/FvbServices/FvbInfo.c b/EdkUnixPkg/RuntimeDxe/FvbServices/FvbInfo.c
new file mode 100644 (file)
index 0000000..d079423
--- /dev/null
+++ b/EdkUnixPkg/RuntimeDxe/FvbServices/FvbInfo.c
@@ -0,0 +1,125 @@
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation                                                         \r
+All rights reserved. This program and the accompanying materials                          \r
+are licensed and made available under the terms and conditions of the BSD License         \r
+which accompanies this distribution.  The full text of the license may be found at        \r
+http://opensource.org/licenses/bsd-license.php                                            \r
+                                                                                          \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
+\r
+Module Name:\r
+\r
+  FvbInfo.c\r
+\r
+Abstract:\r
+\r
+  Defines data structure that is the volume header found.These data is intent\r
+  to decouple FVB driver with FV header.\r
+\r
+--*/\r
+\r
+#include "FlashLayout.h"\r
+\r
+#define FIRMWARE_BLOCK_SIZE 0x10000\r
+\r
+typedef struct {\r
+  UINT64                      FvLength;\r
+  EFI_FIRMWARE_VOLUME_HEADER  FvbInfo;\r
+  //\r
+  // EFI_FV_BLOCK_MAP_ENTRY    ExtraBlockMap[n];//n=0\r
+  //\r
+  EFI_FV_BLOCK_MAP_ENTRY      End[1];\r
+} EFI_FVB_MEDIA_INFO;\r
+\r
+#define FVB_MEDIA_BLOCK_SIZE    FIRMWARE_BLOCK_SIZE\r
+#define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER\r
+#define SYSTEM_NV_BLOCK_NUM     2\r
+\r
+EFI_FVB_MEDIA_INFO  mPlatformFvbMediaInfo[] = {\r
+  //\r
+  // Recovery BOIS FVB\r
+  //\r
+  {\r
+    EFI_WINNT_FIRMWARE_LENGTH,\r
+    {\r
+      {\r
+        0,\r
+      },  // ZeroVector[16]\r
+      EFI_FIRMWARE_FILE_SYSTEM_GUID,\r
+      FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,\r
+      EFI_FVH_SIGNATURE,\r
+      EFI_FVB_READ_ENABLED_CAP |\r
+        EFI_FVB_READ_STATUS |\r
+        EFI_FVB_WRITE_ENABLED_CAP |\r
+        EFI_FVB_WRITE_STATUS |\r
+        EFI_FVB_ERASE_POLARITY,\r
+      sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r
+      0,  // CheckSum\r
+      {\r
+        0,\r
+      },  // Reserved[3]\r
+      1,  // Revision\r
+      {\r
+        RECOVERY_BOIS_BLOCK_NUM,\r
+        FVB_MEDIA_BLOCK_SIZE,\r
+      }\r
+    },\r
+    {\r
+      0,\r
+      0\r
+    }\r
+  },\r
+  //\r
+  // Systen NvStorage FVB\r
+  //\r
+  {\r
+    EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,\r
+    {\r
+      {\r
+        0,\r
+      },  // ZeroVector[16]\r
+      EFI_SYSTEM_NV_DATA_HOB_GUID,\r
+      FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,\r
+      EFI_FVH_SIGNATURE,\r
+      EFI_FVB_READ_ENABLED_CAP |\r
+        EFI_FVB_READ_STATUS |\r
+        EFI_FVB_WRITE_ENABLED_CAP |\r
+        EFI_FVB_WRITE_STATUS |\r
+        EFI_FVB_ERASE_POLARITY,\r
+      sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r
+      0,  // CheckSum\r
+      {\r
+        0,\r
+      },  // Reserved[3]\r
+      1,  // Revision\r
+      {\r
+        SYSTEM_NV_BLOCK_NUM,\r
+        FVB_MEDIA_BLOCK_SIZE,\r
+      }\r
+    },\r
+    {\r
+      0,\r
+      0\r
+    }\r
+  }\r
+};\r
+\r
+EFI_STATUS\r
+GetFvbInfo (\r
+  IN  UINT64                        FvLength,\r
+  OUT EFI_FIRMWARE_VOLUME_HEADER    **FvbInfo\r
+  )\r
+{\r
+  UINTN Index;\r
+\r
+  for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {\r
+    if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {\r
+      *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;\r
+      return EFI_SUCCESS;\r
+    }\r
+  }\r
+\r
+  return EFI_NOT_FOUND;\r
+}\r