apicsmp.c

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/*
 * PROJECT:     ReactOS HAL
 * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
 * FILE:        hal/halx86/apic/apicsmp.c
 * PURPOSE:     SMP specific APIC code
 * PROGRAMMERS: Copyright 2021 Timo Kreuzer (timo.kreuzer@reactos.org)
 */
 
/* INCLUDES *******************************************************************/
 
#include <hal.h>
#include "apicp.h"
#define NDEBUG
#include <debug.h>
 
/* INTERNAL FUNCTIONS *********************************************************/
 
FORCEINLINE
VOID
ApicRequestGlobalInterrupt(
    _In_ UCHAR DestinationProcessor,
    _In_ UCHAR Vector,
    _In_ APIC_MT MessageType,
    _In_ APIC_TGM TriggerMode,
    _In_ APIC_DSH DestinationShortHand)
{
    APIC_INTERRUPT_COMMAND_REGISTER Icr;
 
    /* Setup the command register */
    Icr.LongLong = 0;
    Icr.Vector = Vector;
    Icr.MessageType = MessageType;
    Icr.DestinationMode = APIC_DM_Physical;
    Icr.DeliveryStatus = 0;
    Icr.Level = 0;
    Icr.TriggerMode = TriggerMode;
    Icr.RemoteReadStatus = 0;
    Icr.DestinationShortHand = DestinationShortHand;
    Icr.Destination = DestinationProcessor;
 
    /* Write the low dword last to send the interrupt */
    ApicWrite(APIC_ICR1, Icr.Long1);
    ApicWrite(APIC_ICR0, Icr.Long0);
}
 
 
/* SMP SUPPORT FUNCTIONS ******************************************************/
 
// Should be called by SMP version of HalRequestIpi
VOID
NTAPI
HalpRequestIpi(KAFFINITY TargetProcessors)
{
    UNIMPLEMENTED;
    __debugbreak();
}
 
// APIC specific SMP code here