Add more comments for PCD.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5577 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index 4ce5ed8987673488aa6ef81f5ab9bc5e5c7563f7..eadbad2d77f286aeee0215b6d34142eba566ad4b 100644 (file)
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -330,6 +330,7 @@
   gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler|0x10|UINT32|0x00000025\r
   gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultTimeout|0x0008|UINT16|0x0000001b\r
   gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultLangCodes|"engfra"|VOID*|0x0000001c\r
+  ## Default language is selected for displaying BDS. \r
   gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultLang|"eng"|VOID*|0x0000001d\r
   gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultPlatformLangCodes|"en-US;fr-FR"|VOID*|0x0000001e\r
   gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultPlatformLang|"en-US"|VOID*|0x0000001f\r
@@ -339,8 +340,12 @@
   gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits|1|UINT8|0x00000023\r
   gEfiMdePkgTokenSpaceGuid.PcdDefaultTerminalType|0|UINT8|0x00000024  # 0-PCANSI, 1-VT100, 2-VT00+, 3-UTF8\r
   gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValuePeiHandoffToDxe|0x3031001|UINT32|0x3000100d           # EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_PC_HANDOFF_TO_NEXT\r
-  gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValuePeimDispatch|0x3020002|UINT32|0x3000100e              # EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN\r
-  gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValuePeiCoreEntry|0x3020000|UINT32|0x3000100f              # EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT\r
+  ## Status code value for indicating one PEIM is dispatched.\r
+  #  value: EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT_BEGIN\r
+  gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValuePeimDispatch|0x3020002|UINT32|0x3000100e\r
+  ## Status code value for indicating entering PeiCore\r
+  #  value: EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT\r
+  gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValuePeiCoreEntry|0x3020000|UINT32|0x3000100f\r
   gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValueDxeCoreEntry|0x3041000|UINT32|0x30001010              # EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_ENTRY_POINT\r
   gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValueDxeCoreHandoffToBds|0x3041001|UINT32|0x30001011       # EFI_SOFTWARE_DXE_CORE | EFI_SW_DXE_CORE_PC_HANDOFF_TO_NEXT\r
   gEfiMdePkgTokenSpaceGuid.PcdStatusCodeValueBootServiceExit|0x3100019|UINT32|0x30001012           # EFI_SOFTWARE_EFI_BOOT_SERVICE | EFI_SW_BS_PC_EXIT_BOOT_SERVICES\r