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* Copyright (c) 2005 Jakub Jermar
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/** @addtogroup ia64interrupt
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#ifndef KERN_ia64_INTERRUPT_H_
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#define KERN_ia64_INTERRUPT_H_
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#include <arch/types.h>
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#include <arch/register.h>
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/** ia64 has 256 INRs. */
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* We need to keep this just to compile.
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* We might eventually move interrupt/ stuff
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/** External Interrupt vectors. */
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#define VECTOR_TLB_SHOOTDOWN_IPI 0xf0
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#define INTERRUPT_TIMER 255
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#define IRQ_KBD (0x01 + LEGACY_INTERRUPT_BASE)
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#define IRQ_MOUSE (0x0c + LEGACY_INTERRUPT_BASE)
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#define INTERRUPT_SPURIOUS 15
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#define LEGACY_INTERRUPT_BASE 0x20
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/** General Exception codes. */
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#define GE_ILLEGALOP 0
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#define GE_RESREGFLD 3
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#define GE_DISBLDISTRAN 4
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#define GE_ILLEGALDEP 8
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#define EOI 0 /**< The actual value doesn't matter. */
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uintptr_t ar_bspstore;
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uintptr_t ar_bspstore_new;
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* The following variables are defined only for break_instruction
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static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
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istate->cr_iip = retaddr;
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istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */
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static inline unative_t istate_get_pc(istate_t *istate)
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return istate->cr_iip;
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static inline int istate_from_uspace(istate_t *istate)
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return (istate->cr_iip) < 0xe000000000000000ULL;
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extern void general_exception(uint64_t vector, istate_t *istate);
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extern int break_instruction(uint64_t vector, istate_t *istate);
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extern void universal_handler(uint64_t vector, istate_t *istate);
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extern void nop_handler(uint64_t vector, istate_t *istate);
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extern void external_interrupt(uint64_t vector, istate_t *istate);
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extern void disabled_fp_register(uint64_t vector, istate_t *istate);
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extern void trap_virtual_enable_irqs(uint16_t irqmask);