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ArmPkg/ArmLib: add ArmReadHcr to enable read-modify-write of HCR

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Add ArmReadHcr() to ArmLib to enable read-modify-write of the HCR system
register.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eugene Cohen <eugene@hp.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
This commit is contained in:
Cohen, Eugene
2016-03-07 15:16:27 +00:00
committed by Ard Biesheuvel
parent 30ed3422ab
commit d2bb61a232
2 changed files with 11 additions and 0 deletions
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5
ArmPkg/Include/Chipset/AArch64.h
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@@ -203,6 +203,11 @@ ArmWriteHcr (
IN UINTN Hcr
);
UINTN
ArmReadHcr (
VOID
);
UINTN
ArmReadCurrentEL (
VOID