39 lines
885 B
C++
39 lines
885 B
C++
/*
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* \brief Definitions common to all x86_64 CPUs
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* \author Stefan Kalkowski
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* \date 2017-04-10
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*/
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/*
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* Copyright (C) 2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _SRC__LIB__HW__SPEC__X86_64__X86_64_H_
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#define _SRC__LIB__HW__SPEC__X86_64__X86_64_H_
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#include <base/stdint.h>
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#include <hw/spec/x86_64/cpu.h>
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namespace Hw { struct Cpu_memory_map; }
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struct Hw::Cpu_memory_map
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{
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enum {
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MMIO_IOAPIC_BASE = 0xfec00000,
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MMIO_IOAPIC_SIZE = 0x1000,
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};
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static Genode::addr_t lapic_phys_base()
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{
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Hw::X86_64_cpu::IA32_apic_base::access_t msr_apic_base;
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msr_apic_base = Hw::X86_64_cpu::IA32_apic_base::read();
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return Hw::X86_64_cpu::IA32_apic_base::Base::masked(msr_apic_base);
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}
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};
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#endif /* _SRC__LIB__HW__SPEC__X86_64__X86_64_H_ */
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