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/*
1
/*
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 * Copyright (c) 2001-2004 Jakub Jermar
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 * Copyright (c) 2001-2004 Jakub Jermar
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 * All rights reserved.
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 * All rights reserved.
4
 *
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 *
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 * 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 ia32   
29
/** @addtogroup ia32   
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
#ifndef KERN_ia32_APIC_H_
35
#ifndef KERN_ia32_APIC_H_
36
#define KERN_ia32_APIC_H_
36
#define KERN_ia32_APIC_H_
37
 
37
 
38
#include <arch/types.h>
38
#include <arch/types.h>
39
#include <cpu.h>
39
#include <cpu.h>
40
 
40
 
41
#define FIXED       (0<<0)
41
#define FIXED       (0<<0)
42
#define LOPRI       (1<<0)
42
#define LOPRI       (1<<0)
43
 
43
 
44
#define APIC_ID_COUNT   16
44
#define APIC_ID_COUNT   16
45
 
45
 
46
/* local APIC macros */
46
/* local APIC macros */
47
#define IPI_INIT    0
47
#define IPI_INIT    0
48
#define IPI_STARTUP 0
48
#define IPI_STARTUP 0
49
 
49
 
50
/** Delivery modes. */
50
/** Delivery modes. */
51
#define DELMOD_FIXED    0x0
51
#define DELMOD_FIXED    0x0
52
#define DELMOD_LOWPRI   0x1
52
#define DELMOD_LOWPRI   0x1
53
#define DELMOD_SMI  0x2
53
#define DELMOD_SMI  0x2
54
/* 0x3 reserved */
54
/* 0x3 reserved */
55
#define DELMOD_NMI  0x4
55
#define DELMOD_NMI  0x4
56
#define DELMOD_INIT 0x5
56
#define DELMOD_INIT 0x5
57
#define DELMOD_STARTUP  0x6
57
#define DELMOD_STARTUP  0x6
58
#define DELMOD_EXTINT   0x7
58
#define DELMOD_EXTINT   0x7
59
 
59
 
60
/** Destination modes. */
60
/** Destination modes. */
61
#define DESTMOD_PHYS    0x0
61
#define DESTMOD_PHYS    0x0
62
#define DESTMOD_LOGIC   0x1
62
#define DESTMOD_LOGIC   0x1
63
 
63
 
64
/** Trigger Modes. */
64
/** Trigger Modes. */
65
#define TRIGMOD_EDGE    0x0
65
#define TRIGMOD_EDGE    0x0
66
#define TRIGMOD_LEVEL   0x1
66
#define TRIGMOD_LEVEL   0x1
67
 
67
 
68
/** Levels. */
68
/** Levels. */
69
#define LEVEL_DEASSERT  0x0
69
#define LEVEL_DEASSERT  0x0
70
#define LEVEL_ASSERT    0x1
70
#define LEVEL_ASSERT    0x1
71
 
71
 
72
/** Destination Shorthands. */
72
/** Destination Shorthands. */
73
#define SHORTHAND_NONE      0x0
73
#define SHORTHAND_NONE      0x0
74
#define SHORTHAND_SELF      0x1
74
#define SHORTHAND_SELF      0x1
75
#define SHORTHAND_ALL_INCL  0x2
75
#define SHORTHAND_ALL_INCL  0x2
76
#define SHORTHAND_ALL_EXCL  0x3
76
#define SHORTHAND_ALL_EXCL  0x3
77
 
77
 
78
/** Interrupt Input Pin Polarities. */
78
/** Interrupt Input Pin Polarities. */
79
#define POLARITY_HIGH   0x0
79
#define POLARITY_HIGH   0x0
80
#define POLARITY_LOW    0x1
80
#define POLARITY_LOW    0x1
81
 
81
 
82
/** Divide Values. (Bit 2 is always 0) */
82
/** Divide Values. (Bit 2 is always 0) */
83
#define DIVIDE_2    0x0
83
#define DIVIDE_2    0x0
84
#define DIVIDE_4    0x1
84
#define DIVIDE_4    0x1
85
#define DIVIDE_8    0x2
85
#define DIVIDE_8    0x2
86
#define DIVIDE_16   0x3
86
#define DIVIDE_16   0x3
87
#define DIVIDE_32   0x8
87
#define DIVIDE_32   0x8
88
#define DIVIDE_64   0x9
88
#define DIVIDE_64   0x9
89
#define DIVIDE_128  0xa
89
#define DIVIDE_128  0xa
90
#define DIVIDE_1    0xb
90
#define DIVIDE_1    0xb
91
 
91
 
92
/** Timer Modes. */
92
/** Timer Modes. */
93
#define TIMER_ONESHOT   0x0
93
#define TIMER_ONESHOT   0x0
94
#define TIMER_PERIODIC  0x1
94
#define TIMER_PERIODIC  0x1
95
 
95
 
96
/** Delivery status. */
96
/** Delivery status. */
97
#define DELIVS_IDLE 0x0
97
#define DELIVS_IDLE 0x0
98
#define DELIVS_PENDING  0x1
98
#define DELIVS_PENDING  0x1
99
 
99
 
100
/** Destination masks. */
100
/** Destination masks. */
101
#define DEST_ALL    0xff
101
#define DEST_ALL    0xff
102
 
102
 
103
/** Dest format models. */
103
/** Dest format models. */
104
#define MODEL_FLAT  0xf
104
#define MODEL_FLAT  0xf
105
#define MODEL_CLUSTER   0x0
105
#define MODEL_CLUSTER   0x0
106
 
106
 
107
/** Interrupt Command Register. */
107
/** Interrupt Command Register. */
108
#define ICRlo       (0x300/sizeof(uint32_t))
108
#define ICRlo       (0x300/sizeof(uint32_t))
109
#define ICRhi       (0x310/sizeof(uint32_t))
109
#define ICRhi       (0x310/sizeof(uint32_t))
110
struct icr {
110
typedef struct {
111
    union {
111
    union {
112
        uint32_t lo;
112
        uint32_t lo;
113
        struct {
113
        struct {
114
            uint8_t vector;         /**< Interrupt Vector. */
114
            uint8_t vector;         /**< Interrupt Vector. */
115
            unsigned delmod : 3;        /**< Delivery Mode. */
115
            unsigned delmod : 3;        /**< Delivery Mode. */
116
            unsigned destmod : 1;       /**< Destination Mode. */
116
            unsigned destmod : 1;       /**< Destination Mode. */
117
            unsigned delivs : 1;        /**< Delivery status (RO). */
117
            unsigned delivs : 1;        /**< Delivery status (RO). */
118
            unsigned : 1;           /**< Reserved. */
118
            unsigned : 1;           /**< Reserved. */
119
            unsigned level : 1;     /**< Level. */
119
            unsigned level : 1;     /**< Level. */
120
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
120
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
121
            unsigned : 2;           /**< Reserved. */
121
            unsigned : 2;           /**< Reserved. */
122
            unsigned shorthand : 2;     /**< Destination Shorthand. */
122
            unsigned shorthand : 2;     /**< Destination Shorthand. */
123
            unsigned : 12;          /**< Reserved. */
123
            unsigned : 12;          /**< Reserved. */
124
        } __attribute__ ((packed));
124
        } __attribute__ ((packed));
125
    };
125
    };
126
    union {
126
    union {
127
        uint32_t hi;
127
        uint32_t hi;
128
        struct {
128
        struct {
129
            unsigned : 24;          /**< Reserved. */
129
            unsigned : 24;          /**< Reserved. */
130
            uint8_t dest;           /**< Destination field. */
130
            uint8_t dest;           /**< Destination field. */
131
        } __attribute__ ((packed));
131
        } __attribute__ ((packed));
132
    };
132
    };
133
} __attribute__ ((packed));
133
} __attribute__ ((packed)) icr_t;
134
typedef struct icr icr_t;
-
 
135
 
134
 
136
/* End Of Interrupt. */
135
/* End Of Interrupt. */
137
#define EOI     (0x0b0/sizeof(uint32_t))
136
#define EOI     (0x0b0/sizeof(uint32_t))
138
 
137
 
139
/** Error Status Register. */
138
/** Error Status Register. */
140
#define ESR     (0x280/sizeof(uint32_t))
139
#define ESR     (0x280/sizeof(uint32_t))
141
union esr {
140
typedef union {
142
    uint32_t value;
141
    uint32_t value;
143
    uint8_t err_bitmap;
142
    uint8_t err_bitmap;
144
    struct {
143
    struct {
145
        unsigned send_checksum_error : 1;
144
        unsigned send_checksum_error : 1;
146
        unsigned receive_checksum_error : 1;
145
        unsigned receive_checksum_error : 1;
147
        unsigned send_accept_error : 1;
146
        unsigned send_accept_error : 1;
148
        unsigned receive_accept_error : 1;
147
        unsigned receive_accept_error : 1;
149
        unsigned : 1;
148
        unsigned : 1;
150
        unsigned send_illegal_vector : 1;
149
        unsigned send_illegal_vector : 1;
151
        unsigned received_illegal_vector : 1;
150
        unsigned received_illegal_vector : 1;
152
        unsigned illegal_register_address : 1;
151
        unsigned illegal_register_address : 1;
153
        unsigned : 24;
152
        unsigned : 24;
154
    } __attribute__ ((packed));
153
    } __attribute__ ((packed));
155
};
154
} esr_t;
156
typedef union esr esr_t;
-
 
157
 
155
 
158
/* Task Priority Register */
156
/* Task Priority Register */
159
#define TPR     (0x080/sizeof(uint32_t))
157
#define TPR     (0x080/sizeof(uint32_t))
160
union tpr {
158
typedef union {
161
    uint32_t value;
159
    uint32_t value;
162
    struct {
160
    struct {
163
        unsigned pri_sc : 4;        /**< Task Priority Sub-Class. */
161
        unsigned pri_sc : 4;        /**< Task Priority Sub-Class. */
164
        unsigned pri : 4;       /**< Task Priority. */
162
        unsigned pri : 4;       /**< Task Priority. */
165
    } __attribute__ ((packed));
163
    } __attribute__ ((packed));
166
};
164
} tpr_t;
167
typedef union tpr tpr_t;
-
 
168
 
165
 
169
/** Spurious-Interrupt Vector Register. */
166
/** Spurious-Interrupt Vector Register. */
170
#define SVR     (0x0f0/sizeof(uint32_t))
167
#define SVR     (0x0f0/sizeof(uint32_t))
171
union svr {
168
typedef union {
172
    uint32_t value;
169
    uint32_t value;
173
    struct {
170
    struct {
174
        uint8_t vector;         /**< Spurious Vector. */
171
        uint8_t vector;         /**< Spurious Vector. */
175
        unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable. */
172
        unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable. */
176
        unsigned focus_checking : 1;    /**< Focus Processor Checking. */
173
        unsigned focus_checking : 1;    /**< Focus Processor Checking. */
177
        unsigned : 22;          /**< Reserved. */
174
        unsigned : 22;          /**< Reserved. */
178
    } __attribute__ ((packed));
175
    } __attribute__ ((packed));
179
};
176
} svr_t;
180
typedef union svr svr_t;
-
 
181
 
177
 
182
/** Time Divide Configuration Register. */
178
/** Time Divide Configuration Register. */
183
#define TDCR        (0x3e0/sizeof(uint32_t))
179
#define TDCR        (0x3e0/sizeof(uint32_t))
184
union tdcr {
180
typedef union {
185
    uint32_t value;
181
    uint32_t value;
186
    struct {
182
    struct {
187
        unsigned div_value : 4;     /**< Divide Value, bit 2 is always 0. */
183
        unsigned div_value : 4;     /**< Divide Value, bit 2 is always 0. */
188
        unsigned : 28;          /**< Reserved. */
184
        unsigned : 28;          /**< Reserved. */
189
    } __attribute__ ((packed));
185
    } __attribute__ ((packed));
190
};
-
 
191
typedef union tdcr tdcr_t;
186
} tdcr_t;
192
 
187
 
193
/* Initial Count Register for Timer */
188
/* Initial Count Register for Timer */
194
#define ICRT        (0x380/sizeof(uint32_t))
189
#define ICRT        (0x380/sizeof(uint32_t))
195
 
190
 
196
/* Current Count Register for Timer */
191
/* Current Count Register for Timer */
197
#define CCRT        (0x390/sizeof(uint32_t))
192
#define CCRT        (0x390/sizeof(uint32_t))
198
 
193
 
199
/** LVT Timer register. */
194
/** LVT Timer register. */
200
#define LVT_Tm      (0x320/sizeof(uint32_t))
195
#define LVT_Tm      (0x320/sizeof(uint32_t))
201
union lvt_tm {
196
typedef union {
202
    uint32_t value;
197
    uint32_t value;
203
    struct {
198
    struct {
204
        uint8_t vector;     /**< Local Timer Interrupt vector. */
199
        uint8_t vector;     /**< Local Timer Interrupt vector. */
205
        unsigned : 4;       /**< Reserved. */
200
        unsigned : 4;       /**< Reserved. */
206
        unsigned delivs : 1;    /**< Delivery status (RO). */
201
        unsigned delivs : 1;    /**< Delivery status (RO). */
207
        unsigned : 3;       /**< Reserved. */
202
        unsigned : 3;       /**< Reserved. */
208
        unsigned masked : 1;    /**< Interrupt Mask. */
203
        unsigned masked : 1;    /**< Interrupt Mask. */
209
        unsigned mode : 1;  /**< Timer Mode. */
204
        unsigned mode : 1;  /**< Timer Mode. */
210
        unsigned : 14;      /**< Reserved. */
205
        unsigned : 14;      /**< Reserved. */
211
    } __attribute__ ((packed));
206
    } __attribute__ ((packed));
212
};
-
 
213
typedef union lvt_tm lvt_tm_t;
207
} lvt_tm_t;
214
 
208
 
215
/** LVT LINT registers. */
209
/** LVT LINT registers. */
216
#define LVT_LINT0   (0x350/sizeof(uint32_t))
210
#define LVT_LINT0   (0x350/sizeof(uint32_t))
217
#define LVT_LINT1   (0x360/sizeof(uint32_t))
211
#define LVT_LINT1   (0x360/sizeof(uint32_t))
218
union lvt_lint {
212
typedef union {
219
    uint32_t value;
213
    uint32_t value;
220
    struct {
214
    struct {
221
        uint8_t vector;         /**< LINT Interrupt vector. */
215
        uint8_t vector;         /**< LINT Interrupt vector. */
222
        unsigned delmod : 3;        /**< Delivery Mode. */
216
        unsigned delmod : 3;        /**< Delivery Mode. */
223
        unsigned : 1;           /**< Reserved. */
217
        unsigned : 1;           /**< Reserved. */
224
        unsigned delivs : 1;        /**< Delivery status (RO). */
218
        unsigned delivs : 1;        /**< Delivery status (RO). */
225
        unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
219
        unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
226
        unsigned irr : 1;       /**< Remote IRR (RO). */
220
        unsigned irr : 1;       /**< Remote IRR (RO). */
227
        unsigned trigger_mode : 1;  /**< Trigger Mode. */
221
        unsigned trigger_mode : 1;  /**< Trigger Mode. */
228
        unsigned masked : 1;        /**< Interrupt Mask. */
222
        unsigned masked : 1;        /**< Interrupt Mask. */
229
        unsigned : 15;          /**< Reserved. */
223
        unsigned : 15;          /**< Reserved. */
230
    } __attribute__ ((packed));
224
    } __attribute__ ((packed));
231
};
-
 
232
typedef union lvt_lint lvt_lint_t;
225
} lvt_lint_t;
233
 
226
 
234
/** LVT Error register. */
227
/** LVT Error register. */
235
#define LVT_Err     (0x370/sizeof(uint32_t))
228
#define LVT_Err     (0x370/sizeof(uint32_t))
236
union lvt_error {
229
typedef union {
237
    uint32_t value;
230
    uint32_t value;
238
    struct {
231
    struct {
239
        uint8_t vector;     /**< Local Timer Interrupt vector. */
232
        uint8_t vector;     /**< Local Timer Interrupt vector. */
240
        unsigned : 4;       /**< Reserved. */
233
        unsigned : 4;       /**< Reserved. */
241
        unsigned delivs : 1;    /**< Delivery status (RO). */
234
        unsigned delivs : 1;    /**< Delivery status (RO). */
242
        unsigned : 3;       /**< Reserved. */
235
        unsigned : 3;       /**< Reserved. */
243
        unsigned masked : 1;    /**< Interrupt Mask. */
236
        unsigned masked : 1;    /**< Interrupt Mask. */
244
        unsigned : 15;      /**< Reserved. */
237
        unsigned : 15;      /**< Reserved. */
245
    } __attribute__ ((packed));
238
    } __attribute__ ((packed));
246
};
-
 
247
typedef union lvt_error lvt_error_t;
239
} lvt_error_t;
248
 
240
 
249
/** Local APIC ID Register. */
241
/** Local APIC ID Register. */
250
#define L_APIC_ID   (0x020/sizeof(uint32_t))
242
#define L_APIC_ID   (0x020/sizeof(uint32_t))
251
union l_apic_id {
243
typedef union {
252
    uint32_t value;
244
    uint32_t value;
253
    struct {
245
    struct {
254
        unsigned : 24;      /**< Reserved. */
246
        unsigned : 24;      /**< Reserved. */
255
        uint8_t apic_id;        /**< Local APIC ID. */
247
        uint8_t apic_id;        /**< Local APIC ID. */
256
    } __attribute__ ((packed));
248
    } __attribute__ ((packed));
257
};
-
 
258
typedef union l_apic_id l_apic_id_t;
249
} l_apic_id_t;
259
 
250
 
260
/** Local APIC Version Register */
251
/** Local APIC Version Register */
261
#define LAVR        (0x030/sizeof(uint32_t))
252
#define LAVR        (0x030/sizeof(uint32_t))
262
#define LAVR_Mask   0xff
253
#define LAVR_Mask   0xff
263
#define is_local_apic(x)    (((x)&LAVR_Mask&0xf0)==0x1)
254
#define is_local_apic(x)    (((x)&LAVR_Mask&0xf0)==0x1)
264
#define is_82489DX_apic(x)  ((((x)&LAVR_Mask&0xf0)==0x0))
255
#define is_82489DX_apic(x)  ((((x)&LAVR_Mask&0xf0)==0x0))
265
#define is_local_xapic(x)   (((x)&LAVR_Mask)==0x14)
256
#define is_local_xapic(x)   (((x)&LAVR_Mask)==0x14)
266
 
257
 
267
/** Logical Destination Register. */
258
/** Logical Destination Register. */
268
#define  LDR        (0x0d0/sizeof(uint32_t))
259
#define  LDR        (0x0d0/sizeof(uint32_t))
269
union ldr {
260
typedef union {
270
    uint32_t value;
261
    uint32_t value;
271
    struct {
262
    struct {
272
        unsigned : 24;      /**< Reserved. */
263
        unsigned : 24;      /**< Reserved. */
273
        uint8_t id;     /**< Logical APIC ID. */
264
        uint8_t id;     /**< Logical APIC ID. */
274
    } __attribute__ ((packed));
265
    } __attribute__ ((packed));
275
};
266
} ldr_t;
276
typedef union ldr ldr_t;
-
 
277
 
267
 
278
/** Destination Format Register. */
268
/** Destination Format Register. */
279
#define DFR     (0x0e0/sizeof(uint32_t))
269
#define DFR     (0x0e0/sizeof(uint32_t))
280
union dfr {
270
typedef union {
281
    uint32_t value;
271
    uint32_t value;
282
    struct {
272
    struct {
283
        unsigned : 28;      /**< Reserved, all ones. */
273
        unsigned : 28;      /**< Reserved, all ones. */
284
        unsigned model : 4; /**< Model. */
274
        unsigned model : 4; /**< Model. */
285
    } __attribute__ ((packed));
275
    } __attribute__ ((packed));
286
};
276
} dfr_t;
287
typedef union dfr dfr_t;
-
 
288
 
277
 
289
/* IO APIC */
278
/* IO APIC */
290
#define IOREGSEL    (0x00/sizeof(uint32_t))
279
#define IOREGSEL    (0x00/sizeof(uint32_t))
291
#define IOWIN       (0x10/sizeof(uint32_t))
280
#define IOWIN       (0x10/sizeof(uint32_t))
292
 
281
 
293
#define IOAPICID    0x00
282
#define IOAPICID    0x00
294
#define IOAPICVER   0x01
283
#define IOAPICVER   0x01
295
#define IOAPICARB   0x02
284
#define IOAPICARB   0x02
296
#define IOREDTBL    0x10
285
#define IOREDTBL    0x10
297
 
286
 
298
/** I/O Register Select Register. */
287
/** I/O Register Select Register. */
299
union io_regsel {
288
typedef union {
300
    uint32_t value;
289
    uint32_t value;
301
    struct {
290
    struct {
302
        uint8_t reg_addr;       /**< APIC Register Address. */
291
        uint8_t reg_addr;       /**< APIC Register Address. */
303
        unsigned : 24;      /**< Reserved. */
292
        unsigned : 24;      /**< Reserved. */
304
    } __attribute__ ((packed));
293
    } __attribute__ ((packed));
305
};
-
 
306
typedef union io_regsel io_regsel_t;
294
} io_regsel_t;
307
 
295
 
308
/** I/O Redirection Register. */
296
/** I/O Redirection Register. */
309
struct io_redirection_reg {
297
typedef struct io_redirection_reg {
310
    union {
298
    union {
311
        uint32_t lo;
299
        uint32_t lo;
312
        struct {
300
        struct {
313
            uint8_t intvec;         /**< Interrupt Vector. */
301
            uint8_t intvec;         /**< Interrupt Vector. */
314
            unsigned delmod : 3;        /**< Delivery Mode. */
302
            unsigned delmod : 3;        /**< Delivery Mode. */
315
            unsigned destmod : 1;       /**< Destination mode. */
303
            unsigned destmod : 1;       /**< Destination mode. */
316
            unsigned delivs : 1;        /**< Delivery status (RO). */
304
            unsigned delivs : 1;        /**< Delivery status (RO). */
317
            unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
305
            unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
318
            unsigned irr : 1;       /**< Remote IRR (RO). */
306
            unsigned irr : 1;       /**< Remote IRR (RO). */
319
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
307
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
320
            unsigned masked : 1;        /**< Interrupt Mask. */
308
            unsigned masked : 1;        /**< Interrupt Mask. */
321
            unsigned : 15;          /**< Reserved. */
309
            unsigned : 15;          /**< Reserved. */
322
        } __attribute__ ((packed));
310
        } __attribute__ ((packed));
323
    };
311
    };
324
    union {
312
    union {
325
        uint32_t hi;
313
        uint32_t hi;
326
        struct {
314
        struct {
327
            unsigned : 24;          /**< Reserved. */
315
            unsigned : 24;          /**< Reserved. */
328
            uint8_t dest : 8;           /**< Destination Field. */
316
            uint8_t dest : 8;           /**< Destination Field. */
329
        } __attribute__ ((packed));
317
        } __attribute__ ((packed));
330
    };
318
    };
331
   
319
   
332
} __attribute__ ((packed));
320
} __attribute__ ((packed)) io_redirection_reg_t;
333
typedef struct io_redirection_reg io_redirection_reg_t;
-
 
334
 
321
 
335
 
322
 
336
/** IO APIC Identification Register. */
323
/** IO APIC Identification Register. */
337
union io_apic_id {
324
typedef union {
338
    uint32_t value;
325
    uint32_t value;
339
    struct {
326
    struct {
340
        unsigned : 24;      /**< Reserved. */
327
        unsigned : 24;      /**< Reserved. */
341
        unsigned apic_id : 4;   /**< IO APIC ID. */
328
        unsigned apic_id : 4;   /**< IO APIC ID. */
342
        unsigned : 4;       /**< Reserved. */
329
        unsigned : 4;       /**< Reserved. */
343
    } __attribute__ ((packed));
330
    } __attribute__ ((packed));
344
};
-
 
345
typedef union io_apic_id io_apic_id_t;
331
} io_apic_id_t;
346
 
332
 
347
extern volatile uint32_t *l_apic;
333
extern volatile uint32_t *l_apic;
348
extern volatile uint32_t *io_apic;
334
extern volatile uint32_t *io_apic;
349
 
335
 
350
extern uint32_t apic_id_mask;
336
extern uint32_t apic_id_mask;
351
 
337
 
352
extern void apic_init(void);
338
extern void apic_init(void);
353
 
339
 
354
extern void l_apic_init(void);
340
extern void l_apic_init(void);
355
extern void l_apic_eoi(void);
341
extern void l_apic_eoi(void);
356
extern int l_apic_broadcast_custom_ipi(uint8_t vector);
342
extern int l_apic_broadcast_custom_ipi(uint8_t vector);
357
extern int l_apic_send_init_ipi(uint8_t apicid);
343
extern int l_apic_send_init_ipi(uint8_t apicid);
358
extern void l_apic_debug(void);
344
extern void l_apic_debug(void);
359
extern uint8_t l_apic_id(void);
345
extern uint8_t l_apic_id(void);
360
 
346
 
361
extern uint32_t io_apic_read(uint8_t address);
347
extern uint32_t io_apic_read(uint8_t address);
362
extern void io_apic_write(uint8_t address , uint32_t x);
348
extern void io_apic_write(uint8_t address , uint32_t x);
363
extern void io_apic_change_ioredtbl(int pin, int dest, uint8_t v, int flags);
349
extern void io_apic_change_ioredtbl(int pin, int dest, uint8_t v, int flags);
364
extern void io_apic_disable_irqs(uint16_t irqmask);
350
extern void io_apic_disable_irqs(uint16_t irqmask);
365
extern void io_apic_enable_irqs(uint16_t irqmask);
351
extern void io_apic_enable_irqs(uint16_t irqmask);
366
 
352
 
367
#endif
353
#endif
368
 
354
 
369
/** @}
355
/** @}
370
 */
356
 */
371
 
357