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ShellPkg: Refine the code logic of 'command history'.

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Add the PCD to PcdShellMaxHistoryCommandCount indicate the max count of history commands.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19520 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin
2015-12-24 08:06:28 +00:00
committed by shenshushi
parent fe709fe4b7
commit a4f138a412
3 changed files with 44 additions and 13 deletions
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ShellPkg/ShellPkg.dec
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@@ -101,6 +101,9 @@
## This determines how many bytes are read out of files at a time for file operations (type, copy, etc...)
gEfiShellPkgTokenSpaceGuid.PcdShellFileOperationSize|0x1000|UINT32|0x0000000A
## This determines the max count of history commands
gEfiShellPkgTokenSpaceGuid.PcdShellMaxHistoryCommandCount|0x0020|UINT16|0x00000014
[PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
## This flag is used to control the protocols produced by the shell