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ArmPkg/ArmGicLib: Fix GICR_IPRIORITYR address wrong issue 

The register address of GICR_IPRIORITYR is in SGI_base frame. Add
IPRIORITY_ADDRESS macro for getting GICR_IPRIORITYR address. Otherwise
GIC RAS error(Uncorrected software error) may report in ArmGicDxe.

This resolves BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3236

Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org> # QEMU/kvm guest on ThunderX2
Tested-by: Quan Nguyen <quan@os.amperecomputing.com>
This commit is contained in:
Ming Huang 2021-02-25 11:32:12 +08:00 committed by mergify[bot]
parent f7ee9e9253
commit 0996a7883c
1 changed files with 4 additions and 1 deletions
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5
ArmPkg/Drivers/ArmGic/ArmGicLib.c
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@ -30,6 +30,9 @@
#define ICENABLER_ADDRESS(base,offset) ((base) + \
ARM_GICR_CTLR_FRAME_SIZE + ARM_GICR_ICENABLER + 4 * (offset))
#define IPRIORITY_ADDRESS(base,offset) ((base) + \
ARM_GICR_CTLR_FRAME_SIZE + ARM_GIC_ICDIPR + 4 * (offset))
/**
*
* Return whether the Source interrupt index refers to a shared interrupt (SPI)
@ -236,7 +239,7 @@ ArmGicSetInterruptPriority (
}
MmioAndThenOr32 (
GicCpuRedistributorBase + ARM_GIC_ICDIPR + (4 * RegOffset),
IPRIORITY_ADDRESS (GicCpuRedistributorBase, RegOffset),
~(0xff << RegShift),
Priority << RegShift
);