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ArmPkg: allow dynamic GIC base addresses

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Allow the PCDs gArmTokenSpaceGuid.PcdGicDistributorBase and
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase to be redeclared
as PcdsDynamic by the platform, so virtual machines can set these
properties during boot. As the PcdGet32() calls now call into the
PCD database, cache the values that are required during the handling
of interrupts.

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@16072 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel
2014-09-09 16:00:47 +00:00
committed by oliviermartin
parent e1e2e66cd6
commit dc63be2495
4 changed files with 36 additions and 25 deletions
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3
ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
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@@ -43,12 +43,13 @@
MemoryAllocationLib
UefiDriverEntryPoint
IoLib
PcdLib
[Protocols]
gHardwareInterruptProtocolGuid
gEfiCpuArchProtocolGuid
[FixedPcd.common]
[Pcd.common]
gArmTokenSpaceGuid.PcdGicDistributorBase
gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase