| [dbd1059] | 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 | #ifndef __ia64_INTERRUPT_H__
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| 30 | #define __ia64_INTERRUPT_H__
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| 31 |
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| [e2ec980f] | 32 | #include <arch/types.h>
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| [2ccd275] | 33 | #include <arch/register.h>
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| [e2ec980f] | 34 |
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| [2ccd275] | 35 | /** External Interrupt vectors. */
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| [05d9dd89] | 36 | #define INTERRUPT_TIMER 0
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| 37 | #define INTERRUPT_SPURIOUS 15
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| 38 |
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| [2ccd275] | 39 | /** General Exception codes. */
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| 40 | #define GE_ILLEGALOP 0
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| 41 | #define GE_PRIVOP 1
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| 42 | #define GE_PRIVREG 2
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| 43 | #define GE_RESREGFLD 3
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| 44 | #define GE_DISBLDISTRAN 4
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| 45 | #define GE_ILLEGALDEP 8
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| 46 |
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| [154049e] | 47 | #define EOI 0 /**< The actual value doesn't matter. */
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| 48 |
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| [e2ec980f] | 49 | struct exception_regdump {
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| 50 | __address ar_bsp;
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| 51 | __address ar_bspstore;
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| [e1c68e0c] | 52 | __address ar_bspstore_new;
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| [e2ec980f] | 53 | __u64 ar_rnat;
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| 54 | __u64 ar_ifs;
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| 55 | __u64 ar_pfs;
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| 56 | __u64 ar_rsc;
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| 57 | __address cr_ifa;
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| [2ccd275] | 58 | cr_isr_t cr_isr;
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| [e2ec980f] | 59 | __address cr_iipa;
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| [901122b] | 60 | psr_t cr_ipsr;
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| [e2ec980f] | 61 | __address cr_iip;
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| 62 | __u64 pr;
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| [83d2d0e] | 63 | __address sp;
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| [901122b] | 64 |
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| 65 | /*
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| 66 | * The following variables are defined only for break_instruction handler.
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| 67 | */
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| 68 | __u64 in0;
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| 69 | __u64 in1;
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| 70 | __u64 in2;
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| 71 | __u64 in3;
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| [e2ec980f] | 72 | } __attribute__ ((packed));
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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(__u64 vector, struct exception_regdump *pstate);
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| [901122b] | 77 | extern int break_instruction(__u64 vector, struct exception_regdump *pstate);
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| [e2ec980f] | 78 | extern void universal_handler(__u64 vector, struct exception_regdump *pstate);
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| 79 | extern void external_interrupt(__u64 vector, struct exception_regdump *pstate);
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| [dbd1059] | 80 |
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| 81 | #endif
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