a6157d5d8e
irq_t is now a "virtual" interrupt type that encapsulates the information of the core in case of a private interrupt. There is a couple of macros that need to be defined on the interrupt controller level to translate between virtual and hardware IRQs.
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
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* Copyright 2014, General Dynamics C4 Systems
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(GD_GPL)
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*/
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#ifndef __OBJECT_INTERRUPT_H
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#define __OBJECT_INTERRUPT_H
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#include <types.h>
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#include <api/failures.h>
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#include <object/structures.h>
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#include <arch/object/interrupt.h>
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#include <plat/machine.h>
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#if ! (defined CORE_IRQ_TO_IDX && defined IDX_TO_IRQ && defined IDX_TO_CORE && defined IRQ_IS_PPI)
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/* The following macros are used to translate a target core and a hardware irq
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* to their internal seL4 representation. Some IRQs are core specific so their
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* number should be duplicated as many times as there are cores. seL4 stores
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* all IRQs in a flat array hence the need for translating (core,irq) into the
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* array index. These macros should be defined at the interrupt controller
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* level. Here we fallback on a "flat" translation (ie we assume one core or
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* no private interrupt).
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*/
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#define CORE_IRQ_TO_IDX(tgt, irq) ((irq_t) (irq))
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#define IDX_TO_IRQ(idx) (idx)
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#define IDX_TO_CORE(idx) 0
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#define IRQ_IS_PPI(irq) false
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#endif
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exception_t decodeIRQControlInvocation(word_t invLabel, word_t length,
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cte_t *srcSlot, extra_caps_t excaps,
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word_t *buffer);
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exception_t invokeIRQControl(irq_t irq, cte_t *handlerSlot, cte_t *controlSlot);
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exception_t decodeIRQHandlerInvocation(word_t invLabel, irq_t irq,
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extra_caps_t excaps);
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void invokeIRQHandler_AckIRQ(irq_t irq);
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void invokeIRQHandler_SetIRQHandler(irq_t irq, cap_t cap, cte_t *slot);
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void invokeIRQHandler_ClearIRQHandler(irq_t irq);
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void deletingIRQHandler(irq_t irq);
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void deletedIRQHandler(irq_t irq);
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void handleInterrupt(irq_t irq);
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bool_t isIRQActive(irq_t irq);
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void setIRQState(irq_state_t irqState, irq_t irq);
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#endif
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