| 1 | /*
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| 2 | * Copyright (c) 2005 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup ia64interrupt
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef KERN_ia64_INTERRUPT_H_
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| 36 | #define KERN_ia64_INTERRUPT_H_
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| 37 |
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| 38 | #include <typedefs.h>
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| 39 | #include <arch/istate.h>
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| 40 |
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| 41 | /** ia64 has 256 INRs. */
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| 42 | #define INR_COUNT 256
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| 43 |
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| 44 | /*
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| 45 | * We need to keep this just to compile.
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| 46 | * We might eventually move interrupt/ stuff
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| 47 | * to genarch.
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| 48 | */
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| 49 | #define IVT_ITEMS 0
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| 50 | #define IVT_FIRST 0
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| 51 |
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| 52 | /** External Interrupt vectors. */
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| 53 |
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| 54 | #define VECTOR_TLB_SHOOTDOWN_IPI 0xf0
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| 55 |
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| 56 | #define INTERRUPT_SPURIOUS 15
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| 57 | #define INTERRUPT_TIMER 255
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| 58 |
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| 59 | #define LEGACY_INTERRUPT_BASE 0x20
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| 60 |
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| 61 | #define IRQ_KBD (0x01 + LEGACY_INTERRUPT_BASE)
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| 62 | #define IRQ_MOUSE (0x0c + LEGACY_INTERRUPT_BASE)
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| 63 |
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| 64 | /** General Exception codes. */
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| 65 | #define GE_ILLEGALOP 0
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| 66 | #define GE_PRIVOP 1
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| 67 | #define GE_PRIVREG 2
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| 68 | #define GE_RESREGFLD 3
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| 69 | #define GE_DISBLDISTRAN 4
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| 70 | #define GE_ILLEGALDEP 8
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| 71 |
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| 72 | #define EOI 0 /**< The actual value doesn't matter. */
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| 73 |
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| 74 | extern void *ivt;
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| 75 |
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| 76 | extern void general_exception(uint64_t, istate_t *);
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| 77 | extern int break_instruction(uint64_t, istate_t *);
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| 78 | extern void universal_handler(uint64_t, istate_t *);
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| 79 | extern void nop_handler(uint64_t, istate_t *);
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| 80 | extern void external_interrupt(uint64_t, istate_t *);
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| 81 | extern void disabled_fp_register(uint64_t, istate_t *);
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| 82 |
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| 83 | extern void trap_virtual_enable_irqs(uint16_t);
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| 84 |
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| 85 | #endif
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| 86 |
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| 87 | /** @}
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| 88 | */
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