From fc9da5a6a3337e2a740b7e42f0f6dd0067968863 Mon Sep 17 00:00:00 2001 From: eric_tian Date: Wed, 4 Mar 2009 08:26:34 +0000 Subject: [PATCH] refine pcd comments git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7800 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/MdeModulePkg.dec | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec index 44962de89d..9aa71b0b6e 100644 --- a/MdeModulePkg/MdeModulePkg.dec +++ b/MdeModulePkg/MdeModulePkg.dec @@ -221,7 +221,9 @@ # It can be disabled to save size. gEfiMdeModulePkgTokenSpaceGuid.PcdDevicePathSupportDevicePathFromText|TRUE|BOOLEAN|0x00010038 - ## If TRUE, track statistical information about variable usage stored in the EFI system table. + ## If TRUE, enable the statistic functionality about variable usage. Such information is + # stored as a vendor configuration table into the EFI system table. + # If user wants to get variable usage info, this pcd should be set as TRUE. gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics|FALSE|BOOLEAN|0x0001003f ## If TRUE, Unicode Collation Protocol will be installed. @@ -245,7 +247,9 @@ # It can be set according to the generated image section type. gEfiMdeModulePkgTokenSpaceGuid.PcdPeiCoreImageLoaderSearchTeSectionFirst|TRUE|BOOLEAN|0x00010044 - ## If TRUE, Robustnesss improvement such as for DUET. Default is not required. + ## If TRUE, force to switch off the support of legacy usb. So legacy usb device driver can not make use of SMI + # interrupt to access usb device in the case of absence of usb stack. + ## gEfiMdeModulePkgTokenSpaceGuid.PcdTurnOffUsbLegacySupport|FALSE|BOOLEAN|0x00010047 ## If TRUE, HiiImageProtocol will be installed. @@ -315,13 +319,15 @@ ## Size of the NV variable range. gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize|0x0|UINT32|0x30000002 - ## Maximum buffer for the single variable. + ## Maximum allowable size of a common type variable, that is, non-hardware error type variable. gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x400|UINT32|0x30000003 - ## Maximum buffer for Hardware error record variable. + ## Maximum allowable size of a single hardware error record variable. gEfiMdeModulePkgTokenSpaceGuid.PcdMaxHardwareErrorVariableSize|0x8000|UINT32|0x30000004 - ## Maximum buffer for the total variable store. + ## Size of allocated memory for volatile variable store. Variables are stored in such region and + # total length of all variables should not larger than this value. + ## gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize|0x10000|UINT32|0x30000005 ## Size of the FTW spare block range. -- 2.39.2