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1
/*
1
/*
2
 * 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
 *
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 __APIC_H__
29
#ifndef __APIC_H__
30
#define __APIC_H__
30
#define __APIC_H__
31
 
31
 
32
#include <arch/types.h>
32
#include <arch/types.h>
33
#include <cpu.h>
33
#include <cpu.h>
34
 
34
 
35
#define FIXED       (0<<0)
35
#define FIXED       (0<<0)
36
#define LOPRI       (1<<0)
36
#define LOPRI       (1<<0)
37
 
37
 
38
/* local APIC macros */
38
/* local APIC macros */
39
#define IPI_INIT    0
39
#define IPI_INIT    0
40
#define IPI_STARTUP 0
40
#define IPI_STARTUP 0
41
 
41
 
42
/** Delivery modes. */
42
/** Delivery modes. */
43
#define DELMOD_FIXED    0x0
43
#define DELMOD_FIXED    0x0
44
#define DELMOD_LOWPRI   0x1
44
#define DELMOD_LOWPRI   0x1
45
#define DELMOD_SMI  0x2
45
#define DELMOD_SMI  0x2
46
/* 0x3 reserved */
46
/* 0x3 reserved */
47
#define DELMOD_NMI  0x4
47
#define DELMOD_NMI  0x4
48
#define DELMOD_INIT 0x5
48
#define DELMOD_INIT 0x5
49
#define DELMOD_STARTUP  0x6
49
#define DELMOD_STARTUP  0x6
50
#define DELMOD_EXTINT   0x7
50
#define DELMOD_EXTINT   0x7
51
 
51
 
52
/** Destination modes. */
52
/** Destination modes. */
53
#define DESTMOD_PHYS    0x0
53
#define DESTMOD_PHYS    0x0
54
#define DESTMOD_LOGIC   0x1
54
#define DESTMOD_LOGIC   0x1
55
 
55
 
56
/** Trigger Modes. */
56
/** Trigger Modes. */
57
#define TRIGMOD_EDGE    0x0
57
#define TRIGMOD_EDGE    0x0
58
#define TRIGMOD_LEVEL   0x1
58
#define TRIGMOD_LEVEL   0x1
59
 
59
 
60
/** Levels. */
60
/** Levels. */
61
#define LEVEL_DEASSERT  0x0
61
#define LEVEL_DEASSERT  0x0
62
#define LEVEL_ASSERT    0x1
62
#define LEVEL_ASSERT    0x1
63
 
63
 
64
/** Destination Shorthands. */
64
/** Destination Shorthands. */
65
#define SHORTHAND_NONE      0x0
65
#define SHORTHAND_NONE      0x0
66
#define SHORTHAND_SELF      0x1
66
#define SHORTHAND_SELF      0x1
67
#define SHORTHAND_ALL_INCL  0x2
67
#define SHORTHAND_ALL_INCL  0x2
68
#define SHORTHAND_ALL_EXCL  0x3
68
#define SHORTHAND_ALL_EXCL  0x3
69
 
69
 
70
/** Interrupt Input Pin Polarities. */
70
/** Interrupt Input Pin Polarities. */
71
#define POLARITY_HIGH   0x0
71
#define POLARITY_HIGH   0x0
72
#define POLARITY_LOW    0x1
72
#define POLARITY_LOW    0x1
73
 
73
 
-
 
74
/** Divide Values. (Bit 2 is always 0) */
-
 
75
#define DIVIDE_2    0x0
-
 
76
#define DIVIDE_4    0x1
-
 
77
#define DIVIDE_8    0x2
-
 
78
#define DIVIDE_16   0x3
-
 
79
#define DIVIDE_32   0x8
-
 
80
#define DIVIDE_64   0x9
-
 
81
#define DIVIDE_128  0xa
-
 
82
#define DIVIDE_1    0xb
-
 
83
 
-
 
84
/** Timer Modes. */
-
 
85
#define TIMER_ONESHOT   0x0
-
 
86
#define TIMER_PERIODIC  0x1
-
 
87
 
74
#define SEND_PENDING    (1<<12)
88
#define SEND_PENDING    (1<<12)
75
 
89
 
76
/** Interrupt Command Register. */
90
/** Interrupt Command Register. */
77
#define ICRlo       (0x300/sizeof(__u32))
91
#define ICRlo       (0x300/sizeof(__u32))
78
#define ICRhi       (0x310/sizeof(__u32))
92
#define ICRhi       (0x310/sizeof(__u32))
79
struct icr {
93
struct icr {
80
    union {
94
    union {
81
        __u32 lo;
95
        __u32 lo;
82
        struct {
96
        struct {
83
            __u8 vector;            /**< Interrupt Vector. */
97
            __u8 vector;            /**< Interrupt Vector. */
84
            unsigned delmod : 3;        /**< Delivery Mode. */
98
            unsigned delmod : 3;        /**< Delivery Mode. */
85
            unsigned destmod : 1;       /**< Destination Mode. */
99
            unsigned destmod : 1;       /**< Destination Mode. */
86
            unsigned delivs : 1;        /**< Delivery status (RO). */
100
            unsigned delivs : 1;        /**< Delivery status (RO). */
87
            unsigned : 1;           /**< Reserved. */
101
            unsigned : 1;           /**< Reserved. */
88
            unsigned level : 1;     /**< Level. */
102
            unsigned level : 1;     /**< Level. */
89
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
103
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
90
            unsigned : 2;           /**< Reserved. */
104
            unsigned : 2;           /**< Reserved. */
91
            unsigned shorthand : 2;     /**< Destination Shorthand. */
105
            unsigned shorthand : 2;     /**< Destination Shorthand. */
92
            unsigned : 12;          /**< Reserved. */
106
            unsigned : 12;          /**< Reserved. */
93
        } __attribute__ ((packed));
107
        } __attribute__ ((packed));
94
    };
108
    };
95
    union {
109
    union {
96
        __u32 hi;
110
        __u32 hi;
97
        struct {
111
        struct {
98
            unsigned : 24;          /**< Reserved. */
112
            unsigned : 24;          /**< Reserved. */
99
            __u8 dest;          /**< Destination field. */
113
            __u8 dest;          /**< Destination field. */
100
        } __attribute__ ((packed));
114
        } __attribute__ ((packed));
101
    };
115
    };
102
} __attribute__ ((packed));
116
} __attribute__ ((packed));
103
typedef struct icr icr_t;
117
typedef struct icr icr_t;
104
 
118
 
105
/* End Of Interrupt */
119
/* End Of Interrupt */
106
#define EOI     (0x0b0/sizeof(__u32))
120
#define EOI     (0x0b0/sizeof(__u32))
107
 
121
 
108
/* Error Status Register */
122
/** Error Status Register. */
109
#define ESR     (0x280/sizeof(__u32))
123
#define ESR     (0x280/sizeof(__u32))
-
 
124
union esr {
-
 
125
    __u32 value;
-
 
126
    __u8 err_bitmap;
-
 
127
    struct {
-
 
128
        unsigned send_checksum_error : 1;
-
 
129
        unsigned receive_checksum_error : 1;
-
 
130
        unsigned send_accept_error : 1;
-
 
131
        unsigned receive_accept_error : 1;
-
 
132
        unsigned : 1;
-
 
133
        unsigned send_illegal_vector : 1;
-
 
134
        unsigned received_illegal_vector : 1;
110
#define ESRClear    ((0xffffff<<8)|(1<<4))
135
        unsigned illegal_register_address : 1;
-
 
136
        unsigned : 24;
-
 
137
    } __attribute__ ((packed));
-
 
138
};
-
 
139
typedef union esr esr_t;
111
 
140
 
112
/* Task Priority Register */
141
/* Task Priority Register */
113
#define TPR     (0x080/sizeof(__u32))
142
#define TPR     (0x080/sizeof(__u32))
114
#define TPRClear    0xffffff00
143
#define TPRClear    0xffffff00
115
 
144
 
116
/** Spurious-Interrupt Vector Register. */
145
/** Spurious-Interrupt Vector Register. */
117
#define SVR     (0x0f0/sizeof(__u32))
146
#define SVR     (0x0f0/sizeof(__u32))
118
union svr {
147
union svr {
119
    __u32 value;
148
    __u32 value;
120
    struct {
149
    struct {
121
        __u8 vector;            /**< Spurious Vector */
150
        __u8 vector;            /**< Spurious Vector */
122
        unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable */
151
        unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable */
123
        unsigned focus_checking : 1;    /**< Focus Processor Checking */
152
        unsigned focus_checking : 1;    /**< Focus Processor Checking */
124
        unsigned : 22;          /**< Reserved. */
153
        unsigned : 22;          /**< Reserved. */
125
    } __attribute__ ((packed));
154
    } __attribute__ ((packed));
126
};
155
};
127
typedef union svr svr_t;
156
typedef union svr svr_t;
128
 
157
 
129
/* Time Divide Configuration Register */
158
/** Time Divide Configuration Register. */
130
#define TDCR        (0x3e0/sizeof(__u32))
159
#define TDCR        (0x3e0/sizeof(__u32))
-
 
160
union tdcr {
-
 
161
    __u32 value;
-
 
162
    struct {
-
 
163
        unsigned div_value : 4;     /**< Divide Value, bit 2 is always 0. */
-
 
164
        unsigned : 28;          /**< Reserved. */
-
 
165
    } __attribute__ ((packed));
-
 
166
};
131
#define TDCRClear   (~0xb)
167
typedef union tdcr tdcr_t;
132
 
168
 
133
/* Initial Count Register for Timer */
169
/* Initial Count Register for Timer */
134
#define ICRT        (0x380/sizeof(__u32))
170
#define ICRT        (0x380/sizeof(__u32))
135
 
171
 
136
/* Current Count Register for Timer */
172
/* Current Count Register for Timer */
137
#define CCRT        (0x390/sizeof(__u32))
173
#define CCRT        (0x390/sizeof(__u32))
138
 
174
 
139
/** Timer Modes. */
-
 
140
#define TIMER_ONESHOT   0x0
-
 
141
#define TIMER_PERIODIC  0x1
-
 
142
 
-
 
143
/** LVT Timer register. */
175
/** LVT Timer register. */
144
#define LVT_Tm      (0x320/sizeof(__u32))
176
#define LVT_Tm      (0x320/sizeof(__u32))
145
union lvt_tm {
177
union lvt_tm {
146
    __u32 value;
178
    __u32 value;
147
    struct {
179
    struct {
148
        __u8 vector;        /**< Local Timer Interrupt vector. */
180
        __u8 vector;        /**< Local Timer Interrupt vector. */
149
        unsigned : 4;       /**< Reserved. */
181
        unsigned : 4;       /**< Reserved. */
150
        unsigned delivs : 1;    /**< Delivery status (RO). */
182
        unsigned delivs : 1;    /**< Delivery status (RO). */
151
        unsigned : 3;       /**< Reserved. */
183
        unsigned : 3;       /**< Reserved. */
152
        unsigned masked : 1;    /**< Interrupt Mask. */
184
        unsigned masked : 1;    /**< Interrupt Mask. */
153
        unsigned mode : 1;  /**< Timer Mode. */
185
        unsigned mode : 1;  /**< Timer Mode. */
154
        unsigned : 14;      /**< Reserved. */
186
        unsigned : 14;      /**< Reserved. */
155
    } __attribute__ ((packed));
187
    } __attribute__ ((packed));
156
};
188
};
157
typedef union lvt_tm lvt_tm_t;
189
typedef union lvt_tm lvt_tm_t;
158
 
190
 
159
/** LVT LINT registers. */
191
/** LVT LINT registers. */
160
#define LVT_LINT0   (0x350/sizeof(__u32))
192
#define LVT_LINT0   (0x350/sizeof(__u32))
161
#define LVT_LINT1   (0x360/sizeof(__u32))
193
#define LVT_LINT1   (0x360/sizeof(__u32))
162
union lvt_lint {
194
union lvt_lint {
163
    __u32 value;
195
    __u32 value;
164
    struct {
196
    struct {
165
        __u8 vector;            /**< LINT Interrupt vector. */
197
        __u8 vector;            /**< LINT Interrupt vector. */
166
        unsigned delmod : 3;        /**< Delivery Mode. */
198
        unsigned delmod : 3;        /**< Delivery Mode. */
167
        unsigned : 1;           /**< Reserved. */
199
        unsigned : 1;           /**< Reserved. */
168
        unsigned delivs : 1;        /**< Delivery status (RO). */
200
        unsigned delivs : 1;        /**< Delivery status (RO). */
169
        unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
201
        unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
170
        unsigned irr : 1;       /**< Remote IRR (RO). */
202
        unsigned irr : 1;       /**< Remote IRR (RO). */
171
        unsigned trigger_mode : 1;  /**< Trigger Mode. */
203
        unsigned trigger_mode : 1;  /**< Trigger Mode. */
172
        unsigned masked : 1;        /**< Interrupt Mask. */
204
        unsigned masked : 1;        /**< Interrupt Mask. */
173
        unsigned : 15;          /**< Reserved. */
205
        unsigned : 15;          /**< Reserved. */
174
    } __attribute__ ((packed));
206
    } __attribute__ ((packed));
175
};
207
};
176
typedef union lvt_lint lvt_lint_t;
208
typedef union lvt_lint lvt_lint_t;
177
 
209
 
178
/** LVT Error register. */
210
/** LVT Error register. */
179
#define LVT_Err     (0x370/sizeof(__u32))
211
#define LVT_Err     (0x370/sizeof(__u32))
180
union lvt_error {
212
union lvt_error {
181
    __u32 value;
213
    __u32 value;
182
    struct {
214
    struct {
183
        __u8 vector;        /**< Local Timer Interrupt vector. */
215
        __u8 vector;        /**< Local Timer Interrupt vector. */
184
        unsigned : 4;       /**< Reserved. */
216
        unsigned : 4;       /**< Reserved. */
185
        unsigned delivs : 1;    /**< Delivery status (RO). */
217
        unsigned delivs : 1;    /**< Delivery status (RO). */
186
        unsigned : 3;       /**< Reserved. */
218
        unsigned : 3;       /**< Reserved. */
187
        unsigned masked : 1;    /**< Interrupt Mask. */
219
        unsigned masked : 1;    /**< Interrupt Mask. */
188
        unsigned : 15;      /**< Reserved. */
220
        unsigned : 15;      /**< Reserved. */
189
    } __attribute__ ((packed));
221
    } __attribute__ ((packed));
190
};
222
};
191
typedef union lvt_error lvt_error_t;
223
typedef union lvt_error lvt_error_t;
192
 
224
 
193
 
-
 
194
#define LVT_PCINT   (0x340/sizeof(__u32))
-
 
195
 
-
 
196
/* Local APIC ID Register */
225
/** Local APIC ID Register. */
197
#define L_APIC_ID   (0x020/sizeof(__u32))
226
#define L_APIC_ID   (0x020/sizeof(__u32))
-
 
227
union lapic_id {
-
 
228
    __u32 value;
-
 
229
    struct {
198
#define L_APIC_IDClear  (~(0xf<<24))
230
        unsigned : 24;      /**< Reserved. */
-
 
231
        __u8 apic_id;       /**< Local APIC ID. */
199
#define L_APIC_IDShift  24
232
    } __attribute__ ((packed));
-
 
233
};
200
#define L_APIC_IDMask   0xf
234
typedef union lapic_id lapic_id_t;
201
 
235
 
202
/* Local APIC Version Register */
236
/* Local APIC Version Register */
203
#define LAVR        (0x030/sizeof(__u32))
237
#define LAVR        (0x030/sizeof(__u32))
204
#define LAVR_Mask   0xff
238
#define LAVR_Mask   0xff
205
#define is_local_apic(x)    (((x)&LAVR_Mask&0xf0)==0x1)
239
#define is_local_apic(x)    (((x)&LAVR_Mask&0xf0)==0x1)
206
#define is_82489DX_apic(x)  ((((x)&LAVR_Mask&0xf0)==0x0))
240
#define is_82489DX_apic(x)  ((((x)&LAVR_Mask&0xf0)==0x0))
207
#define is_local_xapic(x)   (((x)&LAVR_Mask)==0x14)
241
#define is_local_xapic(x)   (((x)&LAVR_Mask)==0x14)
208
 
242
 
209
/* IO APIC */
243
/* IO APIC */
210
#define IOREGSEL    (0x00/sizeof(__u32))
244
#define IOREGSEL    (0x00/sizeof(__u32))
211
#define IOWIN       (0x10/sizeof(__u32))
245
#define IOWIN       (0x10/sizeof(__u32))
212
 
246
 
213
#define IOAPICID    0x00
247
#define IOAPICID    0x00
214
#define IOAPICVER   0x01
248
#define IOAPICVER   0x01
215
#define IOAPICARB   0x02
249
#define IOAPICARB   0x02
216
#define IOREDTBL    0x10
250
#define IOREDTBL    0x10
217
 
251
 
-
 
252
/** I/O Register Select Register. */
-
 
253
union io_regsel {
-
 
254
    __u32 value;
-
 
255
    struct {
-
 
256
        __u8 reg_addr;      /**< APIC Register Address. */
-
 
257
        unsigned : 24;      /**< Reserved. */
-
 
258
    } __attribute__ ((packed));
-
 
259
};
-
 
260
typedef union io_regsel io_regsel_t;
-
 
261
 
218
/** I/O Redirection Register. */
262
/** I/O Redirection Register. */
219
struct io_redirection_reg {
263
struct io_redirection_reg {
220
    union {
264
    union {
221
        __u32 lo;
265
        __u32 lo;
222
        struct {
266
        struct {
223
            __u8 intvec;            /**< Interrupt Vector. */
267
            __u8 intvec;            /**< Interrupt Vector. */
224
            unsigned delmod : 3;        /**< Delivery Mode. */
268
            unsigned delmod : 3;        /**< Delivery Mode. */
225
            unsigned destmod : 1;       /**< Destination mode. */
269
            unsigned destmod : 1;       /**< Destination mode. */
226
            unsigned delivs : 1;        /**< Delivery status (RO). */
270
            unsigned delivs : 1;        /**< Delivery status (RO). */
227
            unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
271
            unsigned intpol : 1;        /**< Interrupt Input Pin Polarity. */
228
            unsigned irr : 1;       /**< Remote IRR (RO). */
272
            unsigned irr : 1;       /**< Remote IRR (RO). */
229
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
273
            unsigned trigger_mode : 1;  /**< Trigger Mode. */
230
            unsigned masked : 1;        /**< Interrupt Mask. */
274
            unsigned masked : 1;        /**< Interrupt Mask. */
231
            unsigned : 15;          /**< Reserved. */
275
            unsigned : 15;          /**< Reserved. */
232
        } __attribute__ ((packed));
276
        } __attribute__ ((packed));
233
    };
277
    };
234
    union {
278
    union {
235
        __u32 hi;
279
        __u32 hi;
236
        struct {
280
        struct {
237
            unsigned : 24;          /**< Reserved. */
281
            unsigned : 24;          /**< Reserved. */
238
            __u8 dest : 8;      /**< Destination Field. */
282
            __u8 dest : 8;      /**< Destination Field. */
239
        } __attribute__ ((packed));
283
        } __attribute__ ((packed));
240
    };
284
    };
241
   
285
   
242
} __attribute__ ((packed));
286
} __attribute__ ((packed));
243
 
287
 
244
typedef struct io_redirection_reg io_redirection_reg_t;
288
typedef struct io_redirection_reg io_redirection_reg_t;
245
 
289
 
246
extern volatile __u32 *l_apic;
290
extern volatile __u32 *l_apic;
247
extern volatile __u32 *io_apic;
291
extern volatile __u32 *io_apic;
248
 
292
 
249
extern __u32 apic_id_mask;
293
extern __u32 apic_id_mask;
250
 
294
 
251
extern void apic_init(void);
295
extern void apic_init(void);
252
extern void apic_spurious(__u8 n, __native stack[]);
296
extern void apic_spurious(__u8 n, __native stack[]);
253
 
297
 
254
extern void l_apic_init(void);
298
extern void l_apic_init(void);
255
extern void l_apic_eoi(void);
299
extern void l_apic_eoi(void);
256
extern int l_apic_broadcast_custom_ipi(__u8 vector);
300
extern int l_apic_broadcast_custom_ipi(__u8 vector);
257
extern int l_apic_send_init_ipi(__u8 apicid);
301
extern int l_apic_send_init_ipi(__u8 apicid);
258
extern void l_apic_debug(void);
302
extern void l_apic_debug(void);
259
extern void l_apic_timer_interrupt(__u8 n, __native stack[]);
303
extern void l_apic_timer_interrupt(__u8 n, __native stack[]);
260
extern __u8 l_apic_id(void);
304
extern __u8 l_apic_id(void);
261
 
305
 
262
extern __u32 io_apic_read(__u8 address);
306
extern __u32 io_apic_read(__u8 address);
263
extern void io_apic_write(__u8 address , __u32 x);
307
extern void io_apic_write(__u8 address , __u32 x);
264
extern void io_apic_change_ioredtbl(int signal, int dest, __u8 v, int flags);
308
extern void io_apic_change_ioredtbl(int pin, int dest, __u8 v, int flags);
265
extern void io_apic_disable_irqs(__u16 irqmask);
309
extern void io_apic_disable_irqs(__u16 irqmask);
266
extern void io_apic_enable_irqs(__u16 irqmask);
310
extern void io_apic_enable_irqs(__u16 irqmask);
267
 
311
 
268
#endif
312
#endif
269
 
313