blob: c4a9666ae201a9cb3f3d32530c11a4272c6b3426 [file] [log] [blame]
/*
* Copyright (c) 2016 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __INC_SYS_APIC_H
#define __INC_SYS_APIC_H
#include <drivers/ioapic.h>
#include <drivers/loapic.h>
#define _IRQ_TRIGGER_EDGE IOAPIC_EDGE
#define _IRQ_TRIGGER_LEVEL IOAPIC_LEVEL
#define _IRQ_POLARITY_HIGH IOAPIC_HIGH
#define _IRQ_POLARITY_LOW IOAPIC_LOW
#ifndef _ASMLANGUAGE
#define LOAPIC_IRQ_BASE CONFIG_IOAPIC_NUM_RTES
#define LOAPIC_IRQ_COUNT 6 /* Default to LOAPIC_TIMER to LOAPIC_ERROR */
/* irq_controller.h interface */
void __irq_controller_irq_config(unsigned int vector, unsigned int irq,
uint32_t flags);
int __irq_controller_isr_vector_get(void);
#else /* _ASMLANGUAGE */
#if CONFIG_EOI_FORWARDING_BUG
.macro __irq_controller_eoi
call _lakemont_eoi
.endm
#else
.macro __irq_controller_eoi
xorl %eax, %eax /* zeroes eax */
loapic_eoi_reg = (CONFIG_LOAPIC_BASE_ADDRESS + LOAPIC_EOI)
movl %eax, loapic_eoi_reg /* tell LOAPIC the IRQ is handled */
.endm
#endif /* CONFIG_EOI_FORMWARDING_BUG */
#endif /* _ASMLANGUAGE */
#endif /* __INC_SYS_APIC_H */