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431 | jermar | 1 | /* |
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 | |||
29 | #ifndef __ia64_INTERRUPT_H__ |
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30 | #define __ia64_INTERRUPT_H__ |
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31 | |||
958 | jermar | 32 | #include <typedefs.h> |
470 | jermar | 33 | #include <arch/types.h> |
472 | jermar | 34 | #include <arch/register.h> |
470 | jermar | 35 | |
1265 | jermar | 36 | #define IRQ_COUNT 1 /* TODO */ |
37 | |||
472 | jermar | 38 | /** External Interrupt vectors. */ |
433 | jermar | 39 | #define INTERRUPT_TIMER 0 |
40 | #define INTERRUPT_SPURIOUS 15 |
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41 | |||
472 | jermar | 42 | /** General Exception codes. */ |
43 | #define GE_ILLEGALOP 0 |
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44 | #define GE_PRIVOP 1 |
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45 | #define GE_PRIVREG 2 |
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46 | #define GE_RESREGFLD 3 |
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47 | #define GE_DISBLDISTRAN 4 |
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48 | #define GE_ILLEGALDEP 8 |
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49 | |||
435 | jermar | 50 | #define EOI 0 /**< The actual value doesn't matter. */ |
51 | |||
958 | jermar | 52 | struct istate { |
1053 | vana | 53 | __r128 f2; |
54 | __r128 f3; |
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55 | __r128 f4; |
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56 | __r128 f5; |
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57 | __r128 f6; |
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58 | __r128 f7; |
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59 | __r128 f8; |
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60 | __r128 f9; |
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61 | __r128 f10; |
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62 | __r128 f11; |
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63 | __r128 f12; |
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64 | __r128 f13; |
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65 | __r128 f14; |
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66 | __r128 f15; |
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67 | __r128 f16; |
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68 | __r128 f17; |
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69 | __r128 f18; |
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70 | __r128 f19; |
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71 | __r128 f20; |
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72 | __r128 f21; |
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73 | __r128 f22; |
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74 | __r128 f23; |
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75 | __r128 f24; |
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76 | __r128 f25; |
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77 | __r128 f26; |
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78 | __r128 f27; |
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79 | __r128 f28; |
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80 | __r128 f29; |
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81 | __r128 f30; |
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82 | __r128 f31; |
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1265 | jermar | 83 | |
470 | jermar | 84 | __address ar_bsp; |
85 | __address ar_bspstore; |
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915 | jermar | 86 | __address ar_bspstore_new; |
470 | jermar | 87 | __u64 ar_rnat; |
88 | __u64 ar_ifs; |
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89 | __u64 ar_pfs; |
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90 | __u64 ar_rsc; |
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91 | __address cr_ifa; |
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472 | jermar | 92 | cr_isr_t cr_isr; |
470 | jermar | 93 | __address cr_iipa; |
921 | jermar | 94 | psr_t cr_ipsr; |
470 | jermar | 95 | __address cr_iip; |
96 | __u64 pr; |
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912 | jermar | 97 | __address sp; |
921 | jermar | 98 | |
99 | /* |
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100 | * The following variables are defined only for break_instruction handler. |
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101 | */ |
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102 | __u64 in0; |
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103 | __u64 in1; |
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104 | __u64 in2; |
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105 | __u64 in3; |
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962 | jermar | 106 | __u64 in4; |
993 | jermar | 107 | }; |
431 | jermar | 108 | |
1288 | jermar | 109 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
110 | { |
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1295 | jermar | 111 | istate->cr_iip = retaddr; |
112 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
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1288 | jermar | 113 | } |
114 | |||
470 | jermar | 115 | extern void *ivt; |
116 | |||
958 | jermar | 117 | extern void general_exception(__u64 vector, istate_t *istate); |
118 | extern int break_instruction(__u64 vector, istate_t *istate); |
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119 | extern void universal_handler(__u64 vector, istate_t *istate); |
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1023 | vana | 120 | extern void nop_handler(__u64 vector, istate_t *istate); |
958 | jermar | 121 | extern void external_interrupt(__u64 vector, istate_t *istate); |
1023 | vana | 122 | extern void disabled_fp_register(__u64 vector, istate_t *istate); |
470 | jermar | 123 | |
1023 | vana | 124 | |
125 | |||
431 | jermar | 126 | #endif |