| 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 __ia64_INTERRUPT_H__
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| 36 | #define __ia64_INTERRUPT_H__
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| 37 |
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| 38 | #include <typedefs.h>
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| 39 | #include <arch/types.h>
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| 40 | #include <arch/register.h>
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| 41 |
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| 42 | #define IRQ_COUNT 257 /* 256 NOT suppotred IRQS*//* TODO */
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| 43 | #define IRQ_KBD 256 /* One simulated interrupt for ski simulator keyboard*/
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| 44 |
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| 45 | /** External Interrupt vectors. */
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| 46 | #define INTERRUPT_TIMER 0
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| 47 | #define INTERRUPT_SPURIOUS 15
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| 48 |
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| 49 | /** General Exception codes. */
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| 50 | #define GE_ILLEGALOP 0
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| 51 | #define GE_PRIVOP 1
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| 52 | #define GE_PRIVREG 2
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| 53 | #define GE_RESREGFLD 3
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| 54 | #define GE_DISBLDISTRAN 4
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| 55 | #define GE_ILLEGALDEP 8
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| 56 |
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| 57 | #define EOI 0 /**< The actual value doesn't matter. */
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| 58 |
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| 59 | struct istate {
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| 60 | __r128 f2;
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| 61 | __r128 f3;
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| 62 | __r128 f4;
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| 63 | __r128 f5;
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| 64 | __r128 f6;
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| 65 | __r128 f7;
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| 66 | __r128 f8;
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| 67 | __r128 f9;
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| 68 | __r128 f10;
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| 69 | __r128 f11;
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| 70 | __r128 f12;
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| 71 | __r128 f13;
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| 72 | __r128 f14;
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| 73 | __r128 f15;
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| 74 | __r128 f16;
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| 75 | __r128 f17;
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| 76 | __r128 f18;
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| 77 | __r128 f19;
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| 78 | __r128 f20;
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| 79 | __r128 f21;
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| 80 | __r128 f22;
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| 81 | __r128 f23;
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| 82 | __r128 f24;
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| 83 | __r128 f25;
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| 84 | __r128 f26;
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| 85 | __r128 f27;
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| 86 | __r128 f28;
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| 87 | __r128 f29;
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| 88 | __r128 f30;
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| 89 | __r128 f31;
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| 90 |
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| 91 | __address ar_bsp;
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| 92 | __address ar_bspstore;
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| 93 | __address ar_bspstore_new;
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| 94 | __u64 ar_rnat;
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| 95 | __u64 ar_ifs;
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| 96 | __u64 ar_pfs;
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| 97 | __u64 ar_rsc;
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| 98 | __address cr_ifa;
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| 99 | cr_isr_t cr_isr;
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| 100 | __address cr_iipa;
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| 101 | psr_t cr_ipsr;
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| 102 | __address cr_iip;
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| 103 | __u64 pr;
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| 104 | __address sp;
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| 105 |
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| 106 | /*
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| 107 | * The following variables are defined only for break_instruction handler.
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| 108 | */
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| 109 | __u64 in0;
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| 110 | __u64 in1;
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| 111 | __u64 in2;
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| 112 | __u64 in3;
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| 113 | __u64 in4;
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| 114 | };
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| 115 |
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| 116 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
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| 117 | {
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| 118 | istate->cr_iip = retaddr;
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| 119 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */
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| 120 | }
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| 121 |
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| 122 | static inline __native istate_get_pc(istate_t *istate)
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| 123 | {
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| 124 | return istate->cr_iip;
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| 125 | }
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| 126 | #include <panic.h>
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| 127 | static inline int istate_from_uspace(istate_t *istate)
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| 128 | {
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| 129 | return (istate->cr_iip)<0xe000000000000000ULL;
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| 130 | }
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| 131 |
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| 132 | extern void *ivt;
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| 133 |
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| 134 | extern void general_exception(__u64 vector, istate_t *istate);
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| 135 | extern int break_instruction(__u64 vector, istate_t *istate);
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| 136 | extern void universal_handler(__u64 vector, istate_t *istate);
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| 137 | extern void nop_handler(__u64 vector, istate_t *istate);
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| 138 | extern void external_interrupt(__u64 vector, istate_t *istate);
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| 139 | extern void virtual_interrupt(__u64 irq, void *param);
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| 140 | extern void disabled_fp_register(__u64 vector, istate_t *istate);
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| 141 |
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| 142 |
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| 143 |
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| 144 | #endif
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| 145 |
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| 146 | /** @}
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| 147 | */
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| 148 |
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