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Author SHA1 Message Date
Olivier Martin fb7ea6114a ArmPkg: Ensured the stack is always quad-word aligned 
From the AArch64 Procedure Call Standard (ARM IHI 0055B):

  5.2.2.1 Universal stack constraints
  At all times the following basic constraints must hold:
  - SP mod 16 = 0. The stack must be quad-word aligned.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16327 6f19259b-4bc3-4df7-8a09-765794883524
 2014-11-11 00:51:11 +00:00
Ard Biesheuvel 58e92b394e ArmPkg: Add ArmHvcLib 
This is a utility library closely modeled after ArmSmcLib, that allows
hypervisor call (HVC) instructions to be issued from C code.

Change-Id: I5f5c65f83e910ff98dbb2f5b031dad8c4f663daa
Contributed-under: TianoCore Contribution Agreement 1.0
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16088 6f19259b-4bc3-4df7-8a09-765794883524
 2014-09-10 18:46:23 +00:00