MdeModulePkg: Add PcdMaxAuthVariableSize declaration.

Currently, Max Authenticated variable size = Max Regular Variable Size,
and both are controlled via a single PCD:
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize.

This PCD is introduced to control the Max Size of Authenticated Variable.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17609 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 5 insertions, 0 deletions

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 15d351d4ea..75e37df805 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -717,6 +717,11 @@
   # @Prompt Maximum variable size.

   gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize|0x400|UINT32|0x30000003

 

+  ## The maximum size of a single authenticated variable.

+  # The value is 0 as default for compatibility that maximum authenticated variable size is specified by PcdMaxVariableSize.

+  # @Prompt Maximum authenticated variable size.

+  gEfiMdeModulePkgTokenSpaceGuid.PcdMaxAuthVariableSize|0x00|UINT32|0x30000009

+

   ## The maximum size of single hardware error record variable.<BR><BR>

   # In IA32/X64 platforms, this value should be larger than 1KB.<BR>

   # In IA64 platforms, this value should be larger than 128KB.<BR>

diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index 238474def7..b33060e79b 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni