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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Jakub Jermar |
2 | * Copyright (C) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __ia64_INTERRUPT_H__ |
29 | #ifndef __ia64_INTERRUPT_H__ |
30 | #define __ia64_INTERRUPT_H__ |
30 | #define __ia64_INTERRUPT_H__ |
31 | 31 | ||
32 | #include <typedefs.h> |
32 | #include <typedefs.h> |
33 | #include <arch/types.h> |
33 | #include <arch/types.h> |
34 | #include <arch/register.h> |
34 | #include <arch/register.h> |
35 | 35 | ||
36 | #define IRQ_COUNT 1 /* TODO */ |
36 | #define IRQ_COUNT 1 /* TODO */ |
37 | 37 | ||
38 | /** External Interrupt vectors. */ |
38 | /** External Interrupt vectors. */ |
39 | #define INTERRUPT_TIMER 0 |
39 | #define INTERRUPT_TIMER 0 |
40 | #define INTERRUPT_SPURIOUS 15 |
40 | #define INTERRUPT_SPURIOUS 15 |
41 | 41 | ||
42 | /** General Exception codes. */ |
42 | /** General Exception codes. */ |
43 | #define GE_ILLEGALOP 0 |
43 | #define GE_ILLEGALOP 0 |
44 | #define GE_PRIVOP 1 |
44 | #define GE_PRIVOP 1 |
45 | #define GE_PRIVREG 2 |
45 | #define GE_PRIVREG 2 |
46 | #define GE_RESREGFLD 3 |
46 | #define GE_RESREGFLD 3 |
47 | #define GE_DISBLDISTRAN 4 |
47 | #define GE_DISBLDISTRAN 4 |
48 | #define GE_ILLEGALDEP 8 |
48 | #define GE_ILLEGALDEP 8 |
49 | 49 | ||
50 | #define EOI 0 /**< The actual value doesn't matter. */ |
50 | #define EOI 0 /**< The actual value doesn't matter. */ |
51 | 51 | ||
52 | struct istate { |
52 | struct istate { |
53 | __r128 f2; |
53 | __r128 f2; |
54 | __r128 f3; |
54 | __r128 f3; |
55 | __r128 f4; |
55 | __r128 f4; |
56 | __r128 f5; |
56 | __r128 f5; |
57 | __r128 f6; |
57 | __r128 f6; |
58 | __r128 f7; |
58 | __r128 f7; |
59 | __r128 f8; |
59 | __r128 f8; |
60 | __r128 f9; |
60 | __r128 f9; |
61 | __r128 f10; |
61 | __r128 f10; |
62 | __r128 f11; |
62 | __r128 f11; |
63 | __r128 f12; |
63 | __r128 f12; |
64 | __r128 f13; |
64 | __r128 f13; |
65 | __r128 f14; |
65 | __r128 f14; |
66 | __r128 f15; |
66 | __r128 f15; |
67 | __r128 f16; |
67 | __r128 f16; |
68 | __r128 f17; |
68 | __r128 f17; |
69 | __r128 f18; |
69 | __r128 f18; |
70 | __r128 f19; |
70 | __r128 f19; |
71 | __r128 f20; |
71 | __r128 f20; |
72 | __r128 f21; |
72 | __r128 f21; |
73 | __r128 f22; |
73 | __r128 f22; |
74 | __r128 f23; |
74 | __r128 f23; |
75 | __r128 f24; |
75 | __r128 f24; |
76 | __r128 f25; |
76 | __r128 f25; |
77 | __r128 f26; |
77 | __r128 f26; |
78 | __r128 f27; |
78 | __r128 f27; |
79 | __r128 f28; |
79 | __r128 f28; |
80 | __r128 f29; |
80 | __r128 f29; |
81 | __r128 f30; |
81 | __r128 f30; |
82 | __r128 f31; |
82 | __r128 f31; |
83 | 83 | ||
84 | __address ar_bsp; |
84 | __address ar_bsp; |
85 | __address ar_bspstore; |
85 | __address ar_bspstore; |
86 | __address ar_bspstore_new; |
86 | __address ar_bspstore_new; |
87 | __u64 ar_rnat; |
87 | __u64 ar_rnat; |
88 | __u64 ar_ifs; |
88 | __u64 ar_ifs; |
89 | __u64 ar_pfs; |
89 | __u64 ar_pfs; |
90 | __u64 ar_rsc; |
90 | __u64 ar_rsc; |
91 | __address cr_ifa; |
91 | __address cr_ifa; |
92 | cr_isr_t cr_isr; |
92 | cr_isr_t cr_isr; |
93 | __address cr_iipa; |
93 | __address cr_iipa; |
94 | psr_t cr_ipsr; |
94 | psr_t cr_ipsr; |
95 | __address cr_iip; |
95 | __address cr_iip; |
96 | __u64 pr; |
96 | __u64 pr; |
97 | __address sp; |
97 | __address sp; |
98 | 98 | ||
99 | /* |
99 | /* |
100 | * The following variables are defined only for break_instruction handler. |
100 | * The following variables are defined only for break_instruction handler. |
101 | */ |
101 | */ |
102 | __u64 in0; |
102 | __u64 in0; |
103 | __u64 in1; |
103 | __u64 in1; |
104 | __u64 in2; |
104 | __u64 in2; |
105 | __u64 in3; |
105 | __u64 in3; |
106 | __u64 in4; |
106 | __u64 in4; |
107 | }; |
107 | }; |
108 | 108 | ||
109 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
109 | static inline void istate_set_retaddr(istate_t *istate, __address retaddr) |
110 | { |
110 | { |
111 | istate->cr_iip = retaddr; |
111 | istate->cr_iip = retaddr; |
112 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
112 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
113 | } |
113 | } |
114 | 114 | ||
115 | extern void *ivt; |
115 | extern void *ivt; |
116 | 116 | ||
117 | extern void general_exception(__u64 vector, istate_t *istate); |
117 | extern void general_exception(__u64 vector, istate_t *istate); |
118 | extern int break_instruction(__u64 vector, istate_t *istate); |
118 | extern int break_instruction(__u64 vector, istate_t *istate); |
119 | extern void universal_handler(__u64 vector, istate_t *istate); |
119 | extern void universal_handler(__u64 vector, istate_t *istate); |
120 | extern void nop_handler(__u64 vector, istate_t *istate); |
120 | extern void nop_handler(__u64 vector, istate_t *istate); |
121 | extern void external_interrupt(__u64 vector, istate_t *istate); |
121 | extern void external_interrupt(__u64 vector, istate_t *istate); |
122 | extern void disabled_fp_register(__u64 vector, istate_t *istate); |
122 | extern void disabled_fp_register(__u64 vector, istate_t *istate); |
123 | 123 | ||
124 | 124 | ||
125 | 125 | ||
126 | #endif |
126 | #endif |
127 | 127 |