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ShellPkg: remove superfluous TimerLib resolution 

TimerLib had to be resolved in commit 5ab97a64b5 ("ShellPkg/bcfg: Add
Shell Spec 2.2 modification functionality", 2017-03-01) because:

- the BCFG command started making calls to UefiBootManagerLib
  (EfiBootManagerVariableToLoadOption(),
  EfiBootManagerLoadOptionToVariable(), EfiBootManagerFreeLoadOption()),

- and "MdeModulePkg/Library/UefiBootManagerLib/UefiBootManagerLib.inf"
  depended on TimerLib.

Because TimerLib is platform-specific, but "ShellPkg/ShellPkg.dsc" is
meant to produce a UEFI shell binary that is platform-independent (see
"ShellBinPkg/ReadMe.txt"), we resolved TimerLib to
"BaseTimerLibNullTemplate.inf". (TimerLib functionality was never actually
needed on UefiBootManagerLib code paths that were exercised by the shell /
BCFG.)

Thanks to the last patch, UefiBootManagerLib no longer depends on
TimerLib, thus we can drop the TimerLib resolution entirely.

Cc: Jaben Carsey <jaben.carsey@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
This commit is contained in:
Laszlo Ersek 2018-02-12 14:03:44 +01:00
parent bad0b5e871
commit 7a141b1306
1 changed files with 0 additions and 1 deletions
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ShellPkg/ShellPkg.dsc
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@ -58,7 +58,6 @@
UefiBootManagerLib|MdeModulePkg/Library/UefiBootManagerLib/UefiBootManagerLib.inf
HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
TimerLib|MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf
PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
DxeServicesTableLib|MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.inf
DxeServicesLib|MdePkg/Library/DxeServicesLib/DxeServicesLib.inf