| /* |
| * 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 */ |