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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 <arch/types.h> |
38 | #include <arch/types.h> |
39 | #include <arch/register.h> |
39 | #include <arch/register.h> |
40 | 40 | ||
41 | /** ia64 has 256 INRs. */ |
41 | /** ia64 has 256 INRs. */ |
42 | #define INR_COUNT 256 |
42 | #define INR_COUNT 256 |
43 | 43 | ||
44 | /* |
44 | /* |
45 | * We need to keep this just to compile. |
45 | * We need to keep this just to compile. |
46 | * We might eventually move interrupt/ stuff |
46 | * We might eventually move interrupt/ stuff |
47 | * to genarch. |
47 | * to genarch. |
48 | */ |
48 | */ |
49 | #define IVT_ITEMS 0 |
49 | #define IVT_ITEMS 0 |
50 | #define IVT_FIRST 0 |
50 | #define IVT_FIRST 0 |
51 | 51 | ||
52 | /** External Interrupt vectors. */ |
52 | /** External Interrupt vectors. */ |
53 | 53 | ||
54 | #define VECTOR_TLB_SHOOTDOWN_IPI 0xf0 |
54 | #define VECTOR_TLB_SHOOTDOWN_IPI 0xf0 |
55 | #define INTERRUPT_TIMER 255 |
55 | #define INTERRUPT_TIMER 255 |
56 | #define IRQ_KBD (0x01 + LEGACY_INTERRUPT_BASE) |
56 | #define IRQ_KBD (0x01 + LEGACY_INTERRUPT_BASE) |
57 | #define IRQ_MOUSE (0x0c + LEGACY_INTERRUPT_BASE) |
57 | #define IRQ_MOUSE (0x0c + LEGACY_INTERRUPT_BASE) |
58 | #define INTERRUPT_SPURIOUS 15 |
58 | #define INTERRUPT_SPURIOUS 15 |
59 | #define LEGACY_INTERRUPT_BASE 0x20 |
59 | #define LEGACY_INTERRUPT_BASE 0x20 |
60 | 60 | ||
61 | /** General Exception codes. */ |
61 | /** General Exception codes. */ |
62 | #define GE_ILLEGALOP 0 |
62 | #define GE_ILLEGALOP 0 |
63 | #define GE_PRIVOP 1 |
63 | #define GE_PRIVOP 1 |
64 | #define GE_PRIVREG 2 |
64 | #define GE_PRIVREG 2 |
65 | #define GE_RESREGFLD 3 |
65 | #define GE_RESREGFLD 3 |
66 | #define GE_DISBLDISTRAN 4 |
66 | #define GE_DISBLDISTRAN 4 |
67 | #define GE_ILLEGALDEP 8 |
67 | #define GE_ILLEGALDEP 8 |
68 | 68 | ||
69 | #define EOI 0 /**< The actual value doesn't matter. */ |
69 | #define EOI 0 /**< The actual value doesn't matter. */ |
70 | 70 | ||
71 | typedef struct { |
71 | typedef struct { |
72 | uint128_t f2; |
72 | uint128_t f2; |
73 | uint128_t f3; |
73 | uint128_t f3; |
74 | uint128_t f4; |
74 | uint128_t f4; |
75 | uint128_t f5; |
75 | uint128_t f5; |
76 | uint128_t f6; |
76 | uint128_t f6; |
77 | uint128_t f7; |
77 | uint128_t f7; |
78 | uint128_t f8; |
78 | uint128_t f8; |
79 | uint128_t f9; |
79 | uint128_t f9; |
80 | uint128_t f10; |
80 | uint128_t f10; |
81 | uint128_t f11; |
81 | uint128_t f11; |
82 | uint128_t f12; |
82 | uint128_t f12; |
83 | uint128_t f13; |
83 | uint128_t f13; |
84 | uint128_t f14; |
84 | uint128_t f14; |
85 | uint128_t f15; |
85 | uint128_t f15; |
86 | uint128_t f16; |
86 | uint128_t f16; |
87 | uint128_t f17; |
87 | uint128_t f17; |
88 | uint128_t f18; |
88 | uint128_t f18; |
89 | uint128_t f19; |
89 | uint128_t f19; |
90 | uint128_t f20; |
90 | uint128_t f20; |
91 | uint128_t f21; |
91 | uint128_t f21; |
92 | uint128_t f22; |
92 | uint128_t f22; |
93 | uint128_t f23; |
93 | uint128_t f23; |
94 | uint128_t f24; |
94 | uint128_t f24; |
95 | uint128_t f25; |
95 | uint128_t f25; |
96 | uint128_t f26; |
96 | uint128_t f26; |
97 | uint128_t f27; |
97 | uint128_t f27; |
98 | uint128_t f28; |
98 | uint128_t f28; |
99 | uint128_t f29; |
99 | uint128_t f29; |
100 | uint128_t f30; |
100 | uint128_t f30; |
101 | uint128_t f31; |
101 | uint128_t f31; |
102 | 102 | ||
103 | uintptr_t ar_bsp; |
103 | uintptr_t ar_bsp; |
104 | uintptr_t ar_bspstore; |
104 | uintptr_t ar_bspstore; |
105 | uintptr_t ar_bspstore_new; |
105 | uintptr_t ar_bspstore_new; |
106 | uint64_t ar_rnat; |
106 | uint64_t ar_rnat; |
107 | uint64_t ar_ifs; |
107 | uint64_t ar_ifs; |
108 | uint64_t ar_pfs; |
108 | uint64_t ar_pfs; |
109 | uint64_t ar_rsc; |
109 | uint64_t ar_rsc; |
110 | uintptr_t cr_ifa; |
110 | uintptr_t cr_ifa; |
111 | cr_isr_t cr_isr; |
111 | cr_isr_t cr_isr; |
112 | uintptr_t cr_iipa; |
112 | uintptr_t cr_iipa; |
113 | psr_t cr_ipsr; |
113 | psr_t cr_ipsr; |
114 | uintptr_t cr_iip; |
114 | uintptr_t cr_iip; |
115 | uint64_t pr; |
115 | uint64_t pr; |
116 | uintptr_t sp; |
116 | uintptr_t sp; |
117 | 117 | ||
118 | /* |
118 | /* |
119 | * The following variables are defined only for break_instruction |
119 | * The following variables are defined only for break_instruction |
120 | * handler. |
120 | * handler. |
121 | */ |
121 | */ |
122 | uint64_t in0; |
122 | uint64_t in0; |
123 | uint64_t in1; |
123 | uint64_t in1; |
124 | uint64_t in2; |
124 | uint64_t in2; |
125 | uint64_t in3; |
125 | uint64_t in3; |
126 | uint64_t in4; |
126 | uint64_t in4; |
127 | uint64_t in5; |
127 | uint64_t in5; |
128 | uint64_t in6; |
128 | uint64_t in6; |
129 | } istate_t; |
129 | } istate_t; |
130 | 130 | ||
131 | static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
131 | static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
132 | { |
132 | { |
133 | istate->cr_iip = retaddr; |
133 | istate->cr_iip = retaddr; |
134 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
134 | istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
135 | } |
135 | } |
136 | 136 | ||
137 | static inline unative_t istate_get_pc(istate_t *istate) |
137 | static inline unative_t istate_get_pc(istate_t *istate) |
138 | { |
138 | { |
139 | return istate->cr_iip; |
139 | return istate->cr_iip; |
140 | } |
140 | } |
141 | 141 | ||
142 | static inline int istate_from_uspace(istate_t *istate) |
142 | static inline int istate_from_uspace(istate_t *istate) |
143 | { |
143 | { |
144 | return (istate->cr_iip) < 0xe000000000000000ULL; |
144 | return (istate->cr_iip) < 0xe000000000000000ULL; |
145 | } |
145 | } |
146 | 146 | ||
147 | extern void *ivt; |
147 | extern void *ivt; |
148 | 148 | ||
149 | extern void general_exception(uint64_t vector, istate_t *istate); |
149 | extern void general_exception(uint64_t vector, istate_t *istate); |
150 | extern int break_instruction(uint64_t vector, istate_t *istate); |
150 | extern int break_instruction(uint64_t vector, istate_t *istate); |
151 | extern void universal_handler(uint64_t vector, istate_t *istate); |
151 | extern void universal_handler(uint64_t vector, istate_t *istate); |
152 | extern void nop_handler(uint64_t vector, istate_t *istate); |
152 | extern void nop_handler(uint64_t vector, istate_t *istate); |
153 | extern void external_interrupt(uint64_t vector, istate_t *istate); |
153 | extern void external_interrupt(uint64_t vector, istate_t *istate); |
154 | extern void disabled_fp_register(uint64_t vector, istate_t *istate); |
154 | extern void disabled_fp_register(uint64_t vector, istate_t *istate); |
155 | 155 | ||
- | 156 | extern void trap_virtual_enable_irqs(uint16_t irqmask); |
|
- | 157 | ||
156 | #endif |
158 | #endif |
157 | 159 | ||
158 | /** @} |
160 | /** @} |
159 | */ |
161 | */ |
160 | 162 |