REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4466

This patch series introduce a few improvements related to interrupt
handling for ArmGic driver and library.

1. The current implementation of the `ArmGicSendSgiTo` is based on GIC v2
and does not work on GIC v3 and on.
2. The pending interrupt related primitives does not exist for end users.

The change added the SGI support compatible with GIC v3 and v4. A few
pending interrupt related utility functions were also added.

This change was tested on QEMU, FVP and proprietary hardware platforms.

Pathc v1 branch: https://github.com/kuqin12/edk2/tree/improve_gic_v1

Cc: Leif Lindholm <quic_llind...@quicinc.com>
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Sami Mujawar <sami.muja...@arm.com>

Kun Qin (3):
  ArmPkg: ArmGic: Added support to send SGI to NS G1 EL1
  ArmPkg: ArmGicLib: Added GIC v3 and v4 support to ArmGicSendSgiTo
  ArmPkg: ArmGic: Added functionalities to manipulate pending interrupts

 ArmPkg/Drivers/ArmGic/ArmGicLib.c              | 214 +++++++++++++++++++-
 ArmPkg/ArmPkg.ci.yaml                          |   3 +
 ArmPkg/Drivers/ArmGic/GicV3/AArch64/ArmGicV3.S |  11 +
 ArmPkg/Drivers/ArmGic/GicV3/Arm/ArmGicV3.S     |  10 +
 ArmPkg/Include/Library/ArmGicLib.h             |  76 +++++++
 5 files changed, 308 insertions(+), 6 deletions(-)

-- 
2.41.0.windows.2



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