gem5/src/arch/x86/apicregs.hh

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/*
* Copyright (c) 2008 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __ARCH_X86_APICREGS_HH__
#define __ARCH_X86_APICREGS_HH__
#include "base/bitunion.hh"
namespace X86ISA
{
enum ApicRegIndex
{
APIC_ID,
APIC_VERSION,
APIC_TASK_PRIORITY,
APIC_ARBITRATION_PRIORITY,
APIC_PROCESSOR_PRIORITY,
APIC_EOI,
APIC_LOGICAL_DESTINATION,
APIC_DESTINATION_FORMAT,
APIC_SPURIOUS_INTERRUPT_VECTOR,
APIC_IN_SERVICE_BASE,
APIC_TRIGGER_MODE_BASE = APIC_IN_SERVICE_BASE + 16,
APIC_INTERRUPT_REQUEST_BASE = APIC_TRIGGER_MODE_BASE + 16,
APIC_ERROR_STATUS = APIC_INTERRUPT_REQUEST_BASE + 16,
APIC_INTERRUPT_COMMAND_LOW,
APIC_INTERRUPT_COMMAND_HIGH,
APIC_LVT_TIMER,
APIC_LVT_THERMAL_SENSOR,
APIC_LVT_PERFORMANCE_MONITORING_COUNTERS,
APIC_LVT_LINT0,
APIC_LVT_LINT1,
APIC_LVT_ERROR,
APIC_INITIAL_COUNT,
APIC_CURRENT_COUNT,
APIC_DIVIDE_CONFIGURATION,
APIC_INTERNAL_STATE,
NUM_APIC_REGS
};
static inline ApicRegIndex
APIC_IN_SERVICE(int index)
{
return (ApicRegIndex)(APIC_IN_SERVICE_BASE + index);
}
static inline ApicRegIndex
APIC_TRIGGER_MODE(int index)
{
return (ApicRegIndex)(APIC_TRIGGER_MODE_BASE + index);
}
static inline ApicRegIndex
APIC_INTERRUPT_REQUEST(int index)
{
return (ApicRegIndex)(APIC_INTERRUPT_REQUEST_BASE + index);
}
BitUnion32(InterruptCommandRegLow)
Bitfield<7, 0> vector;
Bitfield<10, 8> deliveryMode;
Bitfield<11> destMode;
Bitfield<12> deliveryStatus;
Bitfield<14> level;
Bitfield<15> trigger;
Bitfield<19, 18> destShorthand;
EndBitUnion(InterruptCommandRegLow)
BitUnion32(InterruptCommandRegHigh)
Bitfield<31, 24> destination;
EndBitUnion(InterruptCommandRegHigh)
}
#endif