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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 | /** @addtogroup ia64interrupt |
29 | /** @addtogroup ia64interrupt |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_ia64_INTERRUPT_H_ |
35 | #ifndef KERN_ia64_INTERRUPT_H_ |
36 | #define KERN_ia64_INTERRUPT_H_ |
36 | #define KERN_ia64_INTERRUPT_H_ |
37 | 37 | ||
38 | #include <typedefs.h> |
38 | #include <typedefs.h> |
39 | #include <arch/types.h> |
39 | #include <arch/types.h> |
40 | #include <arch/register.h> |
40 | #include <arch/register.h> |
41 | 41 | ||
42 | /** ia64 has 256 INRs. */ |
42 | /** ia64 has 256 INRs. */ |
43 | #define INR_COUNT 256 |
43 | #define INR_COUNT 256 |
44 | 44 | ||
45 | /* |
45 | /* |
46 | * We need to keep this just to compile. |
46 | * We need to keep this just to compile. |
47 | * We might eventually move interrupt/ stuff |
47 | * We might eventually move interrupt/ stuff |
48 | * to genarch. |
48 | * to genarch. |
49 | */ |
49 | */ |
50 | #define IVT_ITEMS 0 |
50 | #define IVT_ITEMS 0 |
51 | #define IVT_FIRST 0 |
51 | #define IVT_FIRST 0 |
52 | 52 | ||
53 | /** External Interrupt vectors. */ |
53 | /** External Interrupt vectors. */ |
54 | #define INTERRUPT_TIMER 255 |
54 | #define INTERRUPT_TIMER 255 |
55 | #define INTERRUPT_SPURIOUS 15 |
55 | #define INTERRUPT_SPURIOUS 15 |
56 | 56 | ||
57 | /** General Exception codes. */ |
57 | /** General Exception codes. */ |
58 | #define GE_ILLEGALOP 0 |
58 | #define GE_ILLEGALOP 0 |
59 | #define GE_PRIVOP 1 |
59 | #define GE_PRIVOP 1 |
60 | #define GE_PRIVREG 2 |
60 | #define GE_PRIVREG 2 |
61 | #define GE_RESREGFLD 3 |
61 | #define GE_RESREGFLD 3 |
62 | #define GE_DISBLDISTRAN 4 |
62 | #define GE_DISBLDISTRAN 4 |
63 | #define GE_ILLEGALDEP 8 |
63 | #define GE_ILLEGALDEP 8 |
64 | 64 | ||
65 | #define EOI 0 /**< The actual value doesn't matter. */ |
65 | #define EOI 0 /**< The actual value doesn't matter. */ |
66 | 66 | ||
67 | struct istate { |
67 | struct istate { |
68 | __r128 f2; |
68 | __r128 f2; |
69 | __r128 f3; |
69 | __r128 f3; |
70 | __r128 f4; |
70 | __r128 f4; |
71 | __r128 f5; |
71 | __r128 f5; |
72 | __r128 f6; |
72 | __r128 f6; |
73 | __r128 f7; |
73 | __r128 f7; |
74 | __r128 f8; |
74 | __r128 f8; |
75 | __r128 f9; |
75 | __r128 f9; |
76 | __r128 f10; |
76 | __r128 f10; |
77 | __r128 f11; |
77 | __r128 f11; |
78 | __r128 f12; |
78 | __r128 f12; |
79 | __r128 f13; |
79 | __r128 f13; |
80 | __r128 f14; |
80 | __r128 f14; |
81 | __r128 f15; |
81 | __r128 f15; |
82 | __r128 f16; |
82 | __r128 f16; |
83 | __r128 f17; |
83 | __r128 f17; |
84 | __r128 f18; |
84 | __r128 f18; |
85 | __r128 f19; |
85 | __r128 f19; |
86 | __r128 f20; |
86 | __r128 f20; |
87 | __r128 f21; |
87 | __r128 f21; |
88 | __r128 f22; |
88 | __r128 f22; |
89 | __r128 f23; |
89 | __r128 f23; |
90 | __r128 f24; |
90 | __r128 f24; |
91 | __r128 f25; |
91 | __r128 f25; |
92 | __r128 f26; |
92 | __r128 f26; |
93 | __r128 f27; |
93 | __r128 f27; |
94 | __r128 f28; |
94 | __r128 f28; |
95 | __r128 f29; |
95 | __r128 f29; |
96 | __r128 f30; |
96 | __r128 f30; |
97 | __r128 f31; |
97 | __r128 f31; |
98 | 98 | ||
99 | uintptr_t ar_bsp; |
99 | uintptr_t ar_bsp; |
100 | uintptr_t ar_bspstore; |
100 | uintptr_t ar_bspstore; |
101 | uintptr_t ar_bspstore_new; |
101 | uintptr_t ar_bspstore_new; |
102 | uint64_t ar_rnat; |
102 | uint64_t ar_rnat; |
103 | uint64_t ar_ifs; |
103 | uint64_t ar_ifs; |
104 | uint64_t ar_pfs; |
104 | uint64_t ar_pfs; |
105 | uint64_t ar_rsc; |
105 | uint64_t ar_rsc; |
106 | uintptr_t cr_ifa; |
106 | uintptr_t cr_ifa; |
107 | cr_isr_t cr_isr; |
107 | cr_isr_t cr_isr; |
108 | uintptr_t cr_iipa; |
108 | uintptr_t cr_iipa; |
109 | psr_t cr_ipsr; |
109 | psr_t cr_ipsr; |
110 | uintptr_t cr_iip; |
110 | uintptr_t cr_iip; |
111 | uint64_t pr; |
111 | uint64_t pr; |
112 | uintptr_t sp; |
112 | uintptr_t sp; |
113 | 113 | ||
114 | /* |
114 | /* |
115 | * The following variables are defined only for break_instruction handler. |
115 | * The following variables are defined only for break_instruction handler. |
116 | */ |
116 | */ |
117 | uint64_t in0; |
117 | uint64_t in0; |
118 | uint64_t in1; |
118 | uint64_t in1; |
119 | uint64_t in2; |
119 | uint64_t in2; |
120 | uint64_t in3; |
120 | uint64_t in3; |
121 | uint64_t in4; |
121 | uint64_t in4; |
122 | }; |
122 | }; |
123 | 123 | ||
124 | static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
124 | static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
125 | { |
125 | { |
126 | istate->cr_iip = retaddr; |
126 | istate->cr_iip = retaddr; |
127 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
127 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
128 | } |
128 | } |
129 | 129 | ||
130 | static inline unative_t istate_get_pc(istate_t *istate) |
130 | static inline unative_t istate_get_pc(istate_t *istate) |
131 | { |
131 | { |
132 | return istate->cr_iip; |
132 | return istate->cr_iip; |
133 | } |
133 | } |
134 | 134 | ||
135 | static inline int istate_from_uspace(istate_t *istate) |
135 | static inline int istate_from_uspace(istate_t *istate) |
136 | { |
136 | { |
137 | return (istate->cr_iip) < 0xe000000000000000ULL; |
137 | return (istate->cr_iip) < 0xe000000000000000ULL; |
138 | } |
138 | } |
139 | 139 | ||
140 | extern void *ivt; |
140 | extern void *ivt; |
141 | 141 | ||
142 | extern void general_exception(uint64_t vector, istate_t *istate); |
142 | extern void general_exception(uint64_t vector, istate_t *istate); |
143 | extern int break_instruction(uint64_t vector, istate_t *istate); |
143 | extern int break_instruction(uint64_t vector, istate_t *istate); |
144 | extern void universal_handler(uint64_t vector, istate_t *istate); |
144 | extern void universal_handler(uint64_t vector, istate_t *istate); |
145 | extern void nop_handler(uint64_t vector, istate_t *istate); |
145 | extern void nop_handler(uint64_t vector, istate_t *istate); |
146 | extern void external_interrupt(uint64_t vector, istate_t *istate); |
146 | extern void external_interrupt(uint64_t vector, istate_t *istate); |
147 | extern void disabled_fp_register(uint64_t vector, istate_t *istate); |
147 | extern void disabled_fp_register(uint64_t vector, istate_t *istate); |
148 | 148 | ||
149 | #endif |
149 | #endif |
150 | 150 | ||
151 | /** @} |
151 | /** @} |
152 | */ |
152 | */ |
153 | 153 |