64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* loapic.h - public LOAPIC APIs */
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/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DRIVERS_LOAPIC_H_
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#define ZEPHYR_INCLUDE_DRIVERS_LOAPIC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Local APIC Register Offset */
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#define LOAPIC_ID 0x020 /* Local APIC ID Reg */
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#define LOAPIC_VER 0x030 /* Local APIC Version Reg */
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#define LOAPIC_TPR 0x080 /* Task Priority Reg */
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#define LOAPIC_APR 0x090 /* Arbitration Priority Reg */
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#define LOAPIC_PPR 0x0a0 /* Processor Priority Reg */
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#define LOAPIC_EOI 0x0b0 /* EOI Reg */
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#define LOAPIC_LDR 0x0d0 /* Logical Destination Reg */
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#define LOAPIC_DFR 0x0e0 /* Destination Format Reg */
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#define LOAPIC_SVR 0x0f0 /* Spurious Interrupt Reg */
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#define LOAPIC_ISR 0x100 /* In-service Reg */
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#define LOAPIC_TMR 0x180 /* Trigger Mode Reg */
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#define LOAPIC_IRR 0x200 /* Interrupt Request Reg */
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#define LOAPIC_ESR 0x280 /* Error Status Reg */
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#define LOAPIC_ICRLO 0x300 /* Interrupt Command Reg */
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#define LOAPIC_ICRHI 0x310 /* Interrupt Command Reg */
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#define LOAPIC_TIMER 0x320 /* LVT (Timer) */
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#define LOAPIC_THERMAL 0x330 /* LVT (Thermal) */
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#define LOAPIC_PMC 0x340 /* LVT (PMC) */
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#define LOAPIC_LINT0 0x350 /* LVT (LINT0) */
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#define LOAPIC_LINT1 0x360 /* LVT (LINT1) */
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#define LOAPIC_ERROR 0x370 /* LVT (ERROR) */
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#define LOAPIC_TIMER 0x320 /* LVT (Timer) */
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#define LOAPIC_TIMER_ICR 0x380 /* Timer Initial Count Reg */
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#define LOAPIC_TIMER_CCR 0x390 /* Timer Current Count Reg */
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#define LOAPIC_TIMER_CONFIG 0x3e0 /* Timer Divide Config Reg */
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/* Local APIC Vector Table Bits */
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#define LOAPIC_LVT_MASKED 0x00010000 /* mask */
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#ifndef _ASMLANGUAGE
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extern void _loapic_int_vec_set(unsigned int irq, unsigned int vector);
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extern void _loapic_irq_enable(unsigned int irq);
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extern void _loapic_irq_disable(unsigned int irq);
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#if CONFIG_EOI_FORWARDING_BUG
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extern void _lakemont_eoi(void);
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#endif
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_DRIVERS_LOAPIC_H_ */
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