49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/hl/apic.c
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* DESCRIPTION: Advanced Programmable Interrupt Controller (APIC) support
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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*/
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#include <xtos.h>
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/**
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* Reads from the local APIC register.
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*
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* @param Register
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* Supplies the APIC register to read from.
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*
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* @return This routine returns the value read from the APIC register.
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*
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* @since XT 1.0
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*/
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XTFASTCALL
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ULONG
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HlReadApicRegister(IN APIC_REGISTER Register)
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{
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return RtlReadRegisterLong((PULONG)APIC_BASE + (Register << 4));
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}
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/**
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* Writes to the local APIC register.
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*
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* @param Register
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* Supplies the APIC register to write to.
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*
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* @param Value
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* Supplies the value to write to the APIC register.
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*
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* @return This routine does not return any value.
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*
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* @since XT 1.0
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*/
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XTFASTCALL
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VOID
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HlWriteApicRegister(IN APIC_REGISTER Register,
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IN ULONG Value)
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{
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RtlWriteRegisterLong((PULONG)APIC_BASE + (Register << 4), Value);
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}
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