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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.
3
 * All rights reserved.
4
 *
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 *
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 ia32  
-
 
30
 * @{
-
 
31
 */
-
 
32
/** @file
-
 
33
 */
-
 
34
 
29
#ifndef __APIC_H__
35
#ifndef __APIC_H__
30
#define __APIC_H__
36
#define __APIC_H__
31
 
37
 
32
#include <arch/types.h>
38
#include <arch/types.h>
33
#include <cpu.h>
39
#include <cpu.h>
34
 
40
 
35
#define FIXED       (0<<0)
41
#define FIXED       (0<<0)
36
#define LOPRI       (1<<0)
42
#define LOPRI       (1<<0)
37
 
43
 
38
#define APIC_ID_COUNT   16
44
#define APIC_ID_COUNT   16
39
 
45
 
40
/* local APIC macros */
46
/* local APIC macros */
41
#define IPI_INIT    0
47
#define IPI_INIT    0
42
#define IPI_STARTUP 0
48
#define IPI_STARTUP 0
43
 
49
 
44
/** Delivery modes. */
50
/** Delivery modes. */
45
#define DELMOD_FIXED    0x0
51
#define DELMOD_FIXED    0x0
46
#define DELMOD_LOWPRI   0x1
52
#define DELMOD_LOWPRI   0x1
47
#define DELMOD_SMI  0x2
53
#define DELMOD_SMI  0x2
48
/* 0x3 reserved */
54
/* 0x3 reserved */
49
#define DELMOD_NMI  0x4
55
#define DELMOD_NMI  0x4
50
#define DELMOD_INIT 0x5
56
#define DELMOD_INIT 0x5
51
#define DELMOD_STARTUP  0x6
57
#define DELMOD_STARTUP  0x6
52
#define DELMOD_EXTINT   0x7
58
#define DELMOD_EXTINT   0x7
53
 
59
 
54
/** Destination modes. */
60
/** Destination modes. */
55
#define DESTMOD_PHYS    0x0
61
#define DESTMOD_PHYS    0x0
56
#define DESTMOD_LOGIC   0x1
62
#define DESTMOD_LOGIC   0x1
57
 
63
 
58
/** Trigger Modes. */
64
/** Trigger Modes. */
59
#define TRIGMOD_EDGE    0x0
65
#define TRIGMOD_EDGE    0x0
60
#define TRIGMOD_LEVEL   0x1
66
#define TRIGMOD_LEVEL   0x1
61
 
67
 
62
/** Levels. */
68
/** Levels. */
63
#define LEVEL_DEASSERT  0x0
69
#define LEVEL_DEASSERT  0x0
64
#define LEVEL_ASSERT    0x1
70
#define LEVEL_ASSERT    0x1
65
 
71
 
66
/** Destination Shorthands. */
72
/** Destination Shorthands. */
67
#define SHORTHAND_NONE      0x0
73
#define SHORTHAND_NONE      0x0
68
#define SHORTHAND_SELF      0x1
74
#define SHORTHAND_SELF      0x1
69
#define SHORTHAND_ALL_INCL  0x2
75
#define SHORTHAND_ALL_INCL  0x2
70
#define SHORTHAND_ALL_EXCL  0x3
76
#define SHORTHAND_ALL_EXCL  0x3
71
 
77
 
72
/** Interrupt Input Pin Polarities. */
78
/** Interrupt Input Pin Polarities. */
73
#define POLARITY_HIGH   0x0
79
#define POLARITY_HIGH   0x0
74
#define POLARITY_LOW    0x1
80
#define POLARITY_LOW    0x1
75
 
81
 
76
/** Divide Values. (Bit 2 is always 0) */
82
/** Divide Values. (Bit 2 is always 0) */
77
#define DIVIDE_2    0x0
83
#define DIVIDE_2    0x0
78
#define DIVIDE_4    0x1
84
#define DIVIDE_4    0x1
79
#define DIVIDE_8    0x2
85
#define DIVIDE_8    0x2
80
#define DIVIDE_16   0x3
86
#define DIVIDE_16   0x3
81
#define DIVIDE_32   0x8
87
#define DIVIDE_32   0x8
82
#define DIVIDE_64   0x9
88
#define DIVIDE_64   0x9
83
#define DIVIDE_128  0xa
89
#define DIVIDE_128  0xa
84
#define DIVIDE_1    0xb
90
#define DIVIDE_1    0xb
85
 
91
 
86
/** Timer Modes. */
92
/** Timer Modes. */
87
#define TIMER_ONESHOT   0x0
93
#define TIMER_ONESHOT   0x0
88
#define TIMER_PERIODIC  0x1
94
#define TIMER_PERIODIC  0x1
89
 
95
 
90
/** Delivery status. */
96
/** Delivery status. */
91
#define DELIVS_IDLE 0x0
97
#define DELIVS_IDLE 0x0
92
#define DELIVS_PENDING  0x1
98
#define DELIVS_PENDING  0x1
93
 
99
 
94
/** Destination masks. */
100
/** Destination masks. */
95
#define DEST_ALL    0xff
101
#define DEST_ALL    0xff
96
 
102
 
97
/** Dest format models. */
103
/** Dest format models. */
98
#define MODEL_FLAT  0xf
104
#define MODEL_FLAT  0xf
99
#define MODEL_CLUSTER   0x0
105
#define MODEL_CLUSTER   0x0
100
 
106
 
101
/** Interrupt Command Register. */
107
/** Interrupt Command Register. */
102
#define ICRlo       (0x300/sizeof(__u32))
108
#define ICRlo       (0x300/sizeof(__u32))
103
#define ICRhi       (0x310/sizeof(__u32))
109
#define ICRhi       (0x310/sizeof(__u32))
104
struct icr {
110
struct icr {
105
    union {
111
    union {
106
        __u32 lo;
112
        __u32 lo;
107
        struct {
113
        struct {
108
            __u8 vector;            /**< Interrupt Vector. */
114
            __u8 vector;            /**< Interrupt Vector. */
109
            unsigned delmod : 3;        /**< Delivery Mode. */
115
            unsigned delmod : 3;        /**< Delivery Mode. */
110
            unsigned destmod : 1;       /**< Destination Mode. */
116
            unsigned destmod : 1;       /**< Destination Mode. */
111
            unsigned delivs : 1;        /**< Delivery status (RO). */
117
            unsigned delivs : 1;        /**< Delivery status (RO). */
112
            unsigned : 1;           /**< Reserved. */
118
            unsigned : 1;           /**< Reserved. */
113
            unsigned level : 1;     /**< Level. */
119
            unsigned level : 1;     /**< Level. */
114
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
120
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
115
            unsigned : 2;           /**< Reserved. */
121
            unsigned : 2;           /**< Reserved. */
116
            unsigned shorthand : 2;     /**< Destination Shorthand. */
122
            unsigned shorthand : 2;     /**< Destination Shorthand. */
117
            unsigned : 12;          /**< Reserved. */
123
            unsigned : 12;          /**< Reserved. */
118
        } __attribute__ ((packed));
124
        } __attribute__ ((packed));
119
    };
125
    };
120
    union {
126
    union {
121
        __u32 hi;
127
        __u32 hi;
122
        struct {
128
        struct {
123
            unsigned : 24;          /**< Reserved. */
129
            unsigned : 24;          /**< Reserved. */
124
            __u8 dest;          /**< Destination field. */
130
            __u8 dest;          /**< Destination field. */
125
        } __attribute__ ((packed));
131
        } __attribute__ ((packed));
126
    };
132
    };
127
} __attribute__ ((packed));
133
} __attribute__ ((packed));
128
typedef struct icr icr_t;
134
typedef struct icr icr_t;
129
 
135
 
130
/* End Of Interrupt. */
136
/* End Of Interrupt. */
131
#define EOI     (0x0b0/sizeof(__u32))
137
#define EOI     (0x0b0/sizeof(__u32))
132
 
138
 
133
/** Error Status Register. */
139
/** Error Status Register. */
134
#define ESR     (0x280/sizeof(__u32))
140
#define ESR     (0x280/sizeof(__u32))
135
union esr {
141
union esr {
136
    __u32 value;
142
    __u32 value;
137
    __u8 err_bitmap;
143
    __u8 err_bitmap;
138
    struct {
144
    struct {
139
        unsigned send_checksum_error : 1;
145
        unsigned send_checksum_error : 1;
140
        unsigned receive_checksum_error : 1;
146
        unsigned receive_checksum_error : 1;
141
        unsigned send_accept_error : 1;
147
        unsigned send_accept_error : 1;
142
        unsigned receive_accept_error : 1;
148
        unsigned receive_accept_error : 1;
143
        unsigned : 1;
149
        unsigned : 1;
144
        unsigned send_illegal_vector : 1;
150
        unsigned send_illegal_vector : 1;
145
        unsigned received_illegal_vector : 1;
151
        unsigned received_illegal_vector : 1;
146
        unsigned illegal_register_address : 1;
152
        unsigned illegal_register_address : 1;
147
        unsigned : 24;
153
        unsigned : 24;
148
    } __attribute__ ((packed));
154
    } __attribute__ ((packed));
149
};
155
};
150
typedef union esr esr_t;
156
typedef union esr esr_t;
151
 
157
 
152
/* Task Priority Register */
158
/* Task Priority Register */
153
#define TPR     (0x080/sizeof(__u32))
159
#define TPR     (0x080/sizeof(__u32))
154
union tpr {
160
union tpr {
155
    __u32 value;
161
    __u32 value;
156
    struct {
162
    struct {
157
        unsigned pri_sc : 4;        /**< Task Priority Sub-Class. */
163
        unsigned pri_sc : 4;        /**< Task Priority Sub-Class. */
158
        unsigned pri : 4;       /**< Task Priority. */
164
        unsigned pri : 4;       /**< Task Priority. */
159
    } __attribute__ ((packed));
165
    } __attribute__ ((packed));
160
};
166
};
161
typedef union tpr tpr_t;
167
typedef union tpr tpr_t;
162
 
168
 
163
/** Spurious-Interrupt Vector Register. */
169
/** Spurious-Interrupt Vector Register. */
164
#define SVR     (0x0f0/sizeof(__u32))
170
#define SVR     (0x0f0/sizeof(__u32))
165
union svr {
171
union svr {
166
    __u32 value;
172
    __u32 value;
167
    struct {
173
    struct {
168
        __u8 vector;            /**< Spurious Vector. */
174
        __u8 vector;            /**< Spurious Vector. */
169
        unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable. */
175
        unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable. */
170
        unsigned focus_checking : 1;    /**< Focus Processor Checking. */
176
        unsigned focus_checking : 1;    /**< Focus Processor Checking. */
171
        unsigned : 22;          /**< Reserved. */
177
        unsigned : 22;          /**< Reserved. */
172
    } __attribute__ ((packed));
178
    } __attribute__ ((packed));
173
};
179
};
174
typedef union svr svr_t;
180
typedef union svr svr_t;
175
 
181
 
176
/** Time Divide Configuration Register. */
182
/** Time Divide Configuration Register. */
177
#define TDCR        (0x3e0/sizeof(__u32))
183
#define TDCR        (0x3e0/sizeof(__u32))
178
union tdcr {
184
union tdcr {
179
    __u32 value;
185
    __u32 value;
180
    struct {
186
    struct {
181
        unsigned div_value : 4;     /**< Divide Value, bit 2 is always 0. */
187
        unsigned div_value : 4;     /**< Divide Value, bit 2 is always 0. */
182
        unsigned : 28;          /**< Reserved. */
188
        unsigned : 28;          /**< Reserved. */
183
    } __attribute__ ((packed));
189
    } __attribute__ ((packed));
184
};
190
};
185
typedef union tdcr tdcr_t;
191
typedef union tdcr tdcr_t;
186
 
192
 
187
/* Initial Count Register for Timer */
193
/* Initial Count Register for Timer */
188
#define ICRT        (0x380/sizeof(__u32))
194
#define ICRT        (0x380/sizeof(__u32))
189
 
195
 
190
/* Current Count Register for Timer */
196
/* Current Count Register for Timer */
191
#define CCRT        (0x390/sizeof(__u32))
197
#define CCRT        (0x390/sizeof(__u32))
192
 
198
 
193
/** LVT Timer register. */
199
/** LVT Timer register. */
194
#define LVT_Tm      (0x320/sizeof(__u32))
200
#define LVT_Tm      (0x320/sizeof(__u32))
195
union lvt_tm {
201
union lvt_tm {
196
    __u32 value;
202
    __u32 value;
197
    struct {
203
    struct {
198
        __u8 vector;        /**< Local Timer Interrupt vector. */
204
        __u8 vector;        /**< Local Timer Interrupt vector. */
199
        unsigned : 4;       /**< Reserved. */
205
        unsigned : 4;       /**< Reserved. */
200
        unsigned delivs : 1;    /**< Delivery status (RO). */
206
        unsigned delivs : 1;    /**< Delivery status (RO). */
201
        unsigned : 3;       /**< Reserved. */
207
        unsigned : 3;       /**< Reserved. */
202
        unsigned masked : 1;    /**< Interrupt Mask. */
208
        unsigned masked : 1;    /**< Interrupt Mask. */
203
        unsigned mode : 1;  /**< Timer Mode. */
209
        unsigned mode : 1;  /**< Timer Mode. */
204
        unsigned : 14;      /**< Reserved. */
210
        unsigned : 14;      /**< Reserved. */
205
    } __attribute__ ((packed));
211
    } __attribute__ ((packed));
206
};
212
};
207
typedef union lvt_tm lvt_tm_t;
213
typedef union lvt_tm lvt_tm_t;
208
 
214
 
209
/** LVT LINT registers. */
215
/** LVT LINT registers. */
210
#define LVT_LINT0   (0x350/sizeof(__u32))
216
#define LVT_LINT0   (0x350/sizeof(__u32))
211
#define LVT_LINT1   (0x360/sizeof(__u32))
217
#define LVT_LINT1   (0x360/sizeof(__u32))
212
union lvt_lint {
218
union lvt_lint {
213
    __u32 value;
219
    __u32 value;
214
    struct {
220
    struct {
215
        __u8 vector;            /**< LINT Interrupt vector. */
221
        __u8 vector;            /**< LINT Interrupt vector. */
216
        unsigned delmod : 3;        /**< Delivery Mode. */
222
        unsigned delmod : 3;        /**< Delivery Mode. */
217
        unsigned : 1;           /**< Reserved. */
223
        unsigned : 1;           /**< Reserved. */
218
        unsigned delivs : 1;        /**< Delivery status (RO). */
224
        unsigned delivs : 1;        /**< Delivery status (RO). */
219
        unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
225
        unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
220
        unsigned irr : 1;       /**< Remote IRR (RO). */
226
        unsigned irr : 1;       /**< Remote IRR (RO). */
221
        unsigned trigger_mode : 1;  /**< Trigger Mode. */
227
        unsigned trigger_mode : 1;  /**< Trigger Mode. */
222
        unsigned masked : 1;        /**< Interrupt Mask. */
228
        unsigned masked : 1;        /**< Interrupt Mask. */
223
        unsigned : 15;          /**< Reserved. */
229
        unsigned : 15;          /**< Reserved. */
224
    } __attribute__ ((packed));
230
    } __attribute__ ((packed));
225
};
231
};
226
typedef union lvt_lint lvt_lint_t;
232
typedef union lvt_lint lvt_lint_t;
227
 
233
 
228
/** LVT Error register. */
234
/** LVT Error register. */
229
#define LVT_Err     (0x370/sizeof(__u32))
235
#define LVT_Err     (0x370/sizeof(__u32))
230
union lvt_error {
236
union lvt_error {
231
    __u32 value;
237
    __u32 value;
232
    struct {
238
    struct {
233
        __u8 vector;        /**< Local Timer Interrupt vector. */
239
        __u8 vector;        /**< Local Timer Interrupt vector. */
234
        unsigned : 4;       /**< Reserved. */
240
        unsigned : 4;       /**< Reserved. */
235
        unsigned delivs : 1;    /**< Delivery status (RO). */
241
        unsigned delivs : 1;    /**< Delivery status (RO). */
236
        unsigned : 3;       /**< Reserved. */
242
        unsigned : 3;       /**< Reserved. */
237
        unsigned masked : 1;    /**< Interrupt Mask. */
243
        unsigned masked : 1;    /**< Interrupt Mask. */
238
        unsigned : 15;      /**< Reserved. */
244
        unsigned : 15;      /**< Reserved. */
239
    } __attribute__ ((packed));
245
    } __attribute__ ((packed));
240
};
246
};
241
typedef union lvt_error lvt_error_t;
247
typedef union lvt_error lvt_error_t;
242
 
248
 
243
/** Local APIC ID Register. */
249
/** Local APIC ID Register. */
244
#define L_APIC_ID   (0x020/sizeof(__u32))
250
#define L_APIC_ID   (0x020/sizeof(__u32))
245
union l_apic_id {
251
union l_apic_id {
246
    __u32 value;
252
    __u32 value;
247
    struct {
253
    struct {
248
        unsigned : 24;      /**< Reserved. */
254
        unsigned : 24;      /**< Reserved. */
249
        __u8 apic_id;       /**< Local APIC ID. */
255
        __u8 apic_id;       /**< Local APIC ID. */
250
    } __attribute__ ((packed));
256
    } __attribute__ ((packed));
251
};
257
};
252
typedef union l_apic_id l_apic_id_t;
258
typedef union l_apic_id l_apic_id_t;
253
 
259
 
254
/** Local APIC Version Register */
260
/** Local APIC Version Register */
255
#define LAVR        (0x030/sizeof(__u32))
261
#define LAVR        (0x030/sizeof(__u32))
256
#define LAVR_Mask   0xff
262
#define LAVR_Mask   0xff
257
#define is_local_apic(x)    (((x)&LAVR_Mask&0xf0)==0x1)
263
#define is_local_apic(x)    (((x)&LAVR_Mask&0xf0)==0x1)
258
#define is_82489DX_apic(x)  ((((x)&LAVR_Mask&0xf0)==0x0))
264
#define is_82489DX_apic(x)  ((((x)&LAVR_Mask&0xf0)==0x0))
259
#define is_local_xapic(x)   (((x)&LAVR_Mask)==0x14)
265
#define is_local_xapic(x)   (((x)&LAVR_Mask)==0x14)
260
 
266
 
261
/** Logical Destination Register. */
267
/** Logical Destination Register. */
262
#define  LDR        (0x0d0/sizeof(__u32))
268
#define  LDR        (0x0d0/sizeof(__u32))
263
union ldr {
269
union ldr {
264
    __u32 value;
270
    __u32 value;
265
    struct {
271
    struct {
266
        unsigned : 24;      /**< Reserved. */
272
        unsigned : 24;      /**< Reserved. */
267
        __u8 id;        /**< Logical APIC ID. */
273
        __u8 id;        /**< Logical APIC ID. */
268
    } __attribute__ ((packed));
274
    } __attribute__ ((packed));
269
};
275
};
270
typedef union ldr ldr_t;
276
typedef union ldr ldr_t;
271
 
277
 
272
/** Destination Format Register. */
278
/** Destination Format Register. */
273
#define DFR     (0x0e0/sizeof(__u32))
279
#define DFR     (0x0e0/sizeof(__u32))
274
union dfr {
280
union dfr {
275
    __u32 value;
281
    __u32 value;
276
    struct {
282
    struct {
277
        unsigned : 28;      /**< Reserved, all ones. */
283
        unsigned : 28;      /**< Reserved, all ones. */
278
        unsigned model : 4; /**< Model. */
284
        unsigned model : 4; /**< Model. */
279
    } __attribute__ ((packed));
285
    } __attribute__ ((packed));
280
};
286
};
281
typedef union dfr dfr_t;
287
typedef union dfr dfr_t;
282
 
288
 
283
/* IO APIC */
289
/* IO APIC */
284
#define IOREGSEL    (0x00/sizeof(__u32))
290
#define IOREGSEL    (0x00/sizeof(__u32))
285
#define IOWIN       (0x10/sizeof(__u32))
291
#define IOWIN       (0x10/sizeof(__u32))
286
 
292
 
287
#define IOAPICID    0x00
293
#define IOAPICID    0x00
288
#define IOAPICVER   0x01
294
#define IOAPICVER   0x01
289
#define IOAPICARB   0x02
295
#define IOAPICARB   0x02
290
#define IOREDTBL    0x10
296
#define IOREDTBL    0x10
291
 
297
 
292
/** I/O Register Select Register. */
298
/** I/O Register Select Register. */
293
union io_regsel {
299
union io_regsel {
294
    __u32 value;
300
    __u32 value;
295
    struct {
301
    struct {
296
        __u8 reg_addr;      /**< APIC Register Address. */
302
        __u8 reg_addr;      /**< APIC Register Address. */
297
        unsigned : 24;      /**< Reserved. */
303
        unsigned : 24;      /**< Reserved. */
298
    } __attribute__ ((packed));
304
    } __attribute__ ((packed));
299
};
305
};
300
typedef union io_regsel io_regsel_t;
306
typedef union io_regsel io_regsel_t;
301
 
307
 
302
/** I/O Redirection Register. */
308
/** I/O Redirection Register. */
303
struct io_redirection_reg {
309
struct io_redirection_reg {
304
    union {
310
    union {
305
        __u32 lo;
311
        __u32 lo;
306
        struct {
312
        struct {
307
            __u8 intvec;            /**< Interrupt Vector. */
313
            __u8 intvec;            /**< Interrupt Vector. */
308
            unsigned delmod : 3;        /**< Delivery Mode. */
314
            unsigned delmod : 3;        /**< Delivery Mode. */
309
            unsigned destmod : 1;       /**< Destination mode. */
315
            unsigned destmod : 1;       /**< Destination mode. */
310
            unsigned delivs : 1;        /**< Delivery status (RO). */
316
            unsigned delivs : 1;        /**< Delivery status (RO). */
311
            unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
317
            unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
312
            unsigned irr : 1;       /**< Remote IRR (RO). */
318
            unsigned irr : 1;       /**< Remote IRR (RO). */
313
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
319
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
314
            unsigned masked : 1;        /**< Interrupt Mask. */
320
            unsigned masked : 1;        /**< Interrupt Mask. */
315
            unsigned : 15;          /**< Reserved. */
321
            unsigned : 15;          /**< Reserved. */
316
        } __attribute__ ((packed));
322
        } __attribute__ ((packed));
317
    };
323
    };
318
    union {
324
    union {
319
        __u32 hi;
325
        __u32 hi;
320
        struct {
326
        struct {
321
            unsigned : 24;          /**< Reserved. */
327
            unsigned : 24;          /**< Reserved. */
322
            __u8 dest : 8;          /**< Destination Field. */
328
            __u8 dest : 8;          /**< Destination Field. */
323
        } __attribute__ ((packed));
329
        } __attribute__ ((packed));
324
    };
330
    };
325
   
331
   
326
} __attribute__ ((packed));
332
} __attribute__ ((packed));
327
typedef struct io_redirection_reg io_redirection_reg_t;
333
typedef struct io_redirection_reg io_redirection_reg_t;
328
 
334
 
329
 
335
 
330
/** IO APIC Identification Register. */
336
/** IO APIC Identification Register. */
331
union io_apic_id {
337
union io_apic_id {
332
    __u32 value;
338
    __u32 value;
333
    struct {
339
    struct {
334
        unsigned : 24;      /**< Reserved. */
340
        unsigned : 24;      /**< Reserved. */
335
        unsigned apic_id : 4;   /**< IO APIC ID. */
341
        unsigned apic_id : 4;   /**< IO APIC ID. */
336
        unsigned : 4;       /**< Reserved. */
342
        unsigned : 4;       /**< Reserved. */
337
    } __attribute__ ((packed));
343
    } __attribute__ ((packed));
338
};
344
};
339
typedef union io_apic_id io_apic_id_t;
345
typedef union io_apic_id io_apic_id_t;
340
 
346
 
341
extern volatile __u32 *l_apic;
347
extern volatile __u32 *l_apic;
342
extern volatile __u32 *io_apic;
348
extern volatile __u32 *io_apic;
343
 
349
 
344
extern __u32 apic_id_mask;
350
extern __u32 apic_id_mask;
345
 
351
 
346
extern void apic_init(void);
352
extern void apic_init(void);
347
 
353
 
348
extern void l_apic_init(void);
354
extern void l_apic_init(void);
349
extern void l_apic_eoi(void);
355
extern void l_apic_eoi(void);
350
extern int l_apic_broadcast_custom_ipi(__u8 vector);
356
extern int l_apic_broadcast_custom_ipi(__u8 vector);
351
extern int l_apic_send_init_ipi(__u8 apicid);
357
extern int l_apic_send_init_ipi(__u8 apicid);
352
extern void l_apic_debug(void);
358
extern void l_apic_debug(void);
353
extern __u8 l_apic_id(void);
359
extern __u8 l_apic_id(void);
354
 
360
 
355
extern __u32 io_apic_read(__u8 address);
361
extern __u32 io_apic_read(__u8 address);
356
extern void io_apic_write(__u8 address , __u32 x);
362
extern void io_apic_write(__u8 address , __u32 x);
357
extern void io_apic_change_ioredtbl(int pin, int dest, __u8 v, int flags);
363
extern void io_apic_change_ioredtbl(int pin, int dest, __u8 v, int flags);
358
extern void io_apic_disable_irqs(__u16 irqmask);
364
extern void io_apic_disable_irqs(__u16 irqmask);
359
extern void io_apic_enable_irqs(__u16 irqmask);
365
extern void io_apic_enable_irqs(__u16 irqmask);
360
 
366
 
361
#endif
367
#endif
-
 
368
 
-
 
369
 /** @}
-
 
370
 */
-
 
371
 
362
 
372