ArmPkg/ArmGic: Move out the EndOfInterrupt from the interrupt acknowledgement
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@15619 6f19259b-4bc3-4df7-8a09-765794883524
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oliviermartin
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2ca815a495
@@ -31,6 +31,7 @@ NonSecureWaitForFirmware (
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)
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{
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VOID (*secondary_start)(VOID);
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UINTN Interrupt;
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// The secondary cores will execute the firmware once wake from WFI.
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secondary_start = (VOID (*)())PcdGet32(PcdFvBaseAddress);
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@@ -38,7 +39,12 @@ NonSecureWaitForFirmware (
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ArmCallWFI();
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// Acknowledge the interrupt and send End of Interrupt signal.
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ArmGicAcknowledgeInterrupt (PcdGet32(PcdGicDistributorBase), PcdGet32(PcdGicInterruptInterfaceBase), NULL, NULL);
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Interrupt = ArmGicAcknowledgeInterrupt (PcdGet32 (PcdGicInterruptInterfaceBase));
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// Check if it is a valid interrupt ID
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if ((Interrupt & ARM_GIC_ICCIAR_ACKINTID) < ArmGicGetMaxNumInterrupts (PcdGet32 (PcdGicDistributorBase))) {
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// Got a valid SGI number hence signal End of Interrupt
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ArmGicEndOfInterrupt (PcdGet32 (PcdGicInterruptInterfaceBase), Interrupt);
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}
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// Jump to secondary core entry point.
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secondary_start ();
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