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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 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 generic |
29 | /** @addtogroup generic |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_CPU_H_ |
35 | #ifndef KERN_CPU_H_ |
36 | #define KERN_CPU_H_ |
36 | #define KERN_CPU_H_ |
37 | 37 | ||
38 | #include <mm/tlb.h> |
38 | #include <mm/tlb.h> |
39 | #include <synch/spinlock.h> |
39 | #include <synch/spinlock.h> |
40 | #include <proc/scheduler.h> |
40 | #include <proc/scheduler.h> |
41 | #include <arch/cpu.h> |
41 | #include <arch/cpu.h> |
42 | #include <arch/context.h> |
42 | #include <arch/context.h> |
43 | #ifdef CONFIG_TIMEOUT_EXTAVL_TREE |
43 | #ifdef CONFIG_TIMEOUT_EXTAVL_TREE |
44 | #include <adt/extavl.h> |
44 | #include <adt/extavl.h> |
45 | #endif |
45 | #endif |
46 | 46 | ||
47 | 47 | ||
48 | #define CPU_STACK_SIZE STACK_SIZE |
48 | #define CPU_STACK_SIZE STACK_SIZE |
49 | 49 | ||
50 | /** CPU structure. |
50 | /** CPU structure. |
51 | * |
51 | * |
52 | * There is one structure like this for every processor. |
52 | * There is one structure like this for every processor. |
53 | */ |
53 | */ |
54 | typedef struct cpu { |
54 | typedef struct cpu { |
55 | SPINLOCK_DECLARE(lock); |
55 | SPINLOCK_DECLARE(lock); |
56 | 56 | ||
57 | tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN]; |
57 | tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN]; |
58 | count_t tlb_messages_count; |
58 | count_t tlb_messages_count; |
59 | 59 | ||
60 | context_t saved_context; |
60 | context_t saved_context; |
61 | 61 | ||
62 | atomic_t nrdy; |
62 | atomic_t nrdy; |
63 | runq_t rq[RQ_COUNT]; |
63 | runq_t rq[RQ_COUNT]; |
64 | volatile count_t needs_relink; |
64 | volatile count_t needs_relink; |
65 | 65 | ||
66 | SPINLOCK_DECLARE(timeoutlock); |
66 | SPINLOCK_DECLARE(timeoutlock); |
- | 67 | #if defined CONFIG_TIMEOUT_AVL_TREE |
|
- | 68 | /** AVL tree structure. */ |
|
- | 69 | avltree_t timeout_active_tree; |
|
67 | #ifdef CONFIG_TIMEOUT_EXTAVL_TREE |
70 | #elif defined CONFIG_TIMEOUT_EXTAVL_TREE |
68 | /** Extended AVL tree structure. */ |
71 | /** Extended AVL tree structure. */ |
69 | extavltree_t timeout_active_tree; |
72 | extavltree_t timeout_active_tree; |
- | 73 | #elif defined CONFIG_TIMEOUT_EXTAVLREL_TREE |
|
- | 74 | /** Extended AVL tree structure with relative keys. */ |
|
- | 75 | extavlreltree_t timeout_active_tree; |
|
70 | #else |
76 | #else |
71 | /** Head of list of timeouts. */ |
77 | /** Head of list of timeouts. */ |
72 | link_t timeout_active_head; |
78 | link_t timeout_active_head; |
73 | #endif |
79 | #endif |
74 | 80 | ||
75 | count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here |
81 | count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here |
76 | so that clock() can react. This variable is |
82 | so that clock() can react. This variable is |
77 | CPU-local and can be only accessed when interrupts |
83 | CPU-local and can be only accessed when interrupts |
78 | are disabled. */ |
84 | are disabled. */ |
79 | 85 | ||
80 | /** |
86 | /** |
81 | * Processor ID assigned by kernel. |
87 | * Processor ID assigned by kernel. |
82 | */ |
88 | */ |
83 | unsigned int id; |
89 | unsigned int id; |
84 | 90 | ||
85 | int active; |
91 | int active; |
86 | int tlb_active; |
92 | int tlb_active; |
87 | 93 | ||
88 | uint16_t frequency_mhz; |
94 | uint16_t frequency_mhz; |
89 | uint32_t delay_loop_const; |
95 | uint32_t delay_loop_const; |
90 | 96 | ||
91 | cpu_arch_t arch; |
97 | cpu_arch_t arch; |
92 | 98 | ||
93 | struct thread *fpu_owner; |
99 | struct thread *fpu_owner; |
94 | 100 | ||
95 | /** |
101 | /** |
96 | * Stack used by scheduler when there is no running thread. |
102 | * Stack used by scheduler when there is no running thread. |
97 | */ |
103 | */ |
98 | uint8_t *stack; |
104 | uint8_t *stack; |
99 | } cpu_t; |
105 | } cpu_t; |
100 | 106 | ||
101 | extern cpu_t *cpus; |
107 | extern cpu_t *cpus; |
102 | 108 | ||
103 | extern void cpu_init(void); |
109 | extern void cpu_init(void); |
104 | extern void cpu_list(void); |
110 | extern void cpu_list(void); |
105 | 111 | ||
106 | extern void cpu_arch_init(void); |
112 | extern void cpu_arch_init(void); |
107 | extern void cpu_identify(void); |
113 | extern void cpu_identify(void); |
108 | extern void cpu_print_report(cpu_t *m); |
114 | extern void cpu_print_report(cpu_t *m); |
109 | 115 | ||
110 | #endif |
116 | #endif |
111 | 117 | ||
112 | /** @} |
118 | /** @} |
113 | */ |
119 | */ |
114 | 120 |