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3 Commits

Author SHA1 Message Date
Cohen, Eugene 5458faf845 MdePkg: BaseLib: fix AArch64 DAIF interrupt mask definitions 
The AArch64 DAIF bits are different for reading (mrs) versus writing (msr).
The bitmask definitions assumed they were the same causing incorrect
results when trying to determine the current interrupt state through
GetInterruptState.

The logic for interpreting the DAIF read data using the csel instruction
was also incorrect and is fixed.

Replaced the magic numbers in DisableInterrupts.S and EnableInterrupts.S
with definitions for the DAIF write (daifset/daifclr) IRQ field.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eugene Cohen <eugene@hp.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
 2016-02-23 12:07:11 +01:00
Olivier Martin 0f895683da MdePkg/AArch64: use GCC_ASM_EXPORT to export functions 
This ensures the .type directive is used to mark them as function symbols

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <Olivier.Martin@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17904 6f19259b-4bc3-4df7-8a09-765794883524
 2015-07-09 10:43:27 +00:00
Harry Liebel 807e2604ab MdePkg/BaseLib: Added ARM Aarch64 architecture support 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Harry Liebel <Harry.Liebel@arm.com>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14515 6f19259b-4bc3-4df7-8a09-765794883524
 2013-07-29 09:55:38 +00:00