| 1 | /*
|
|---|
| 2 | * Copyright (C) 2001-2004 Jakub Jermar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 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
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 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
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 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
|
|---|
| 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
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | #ifndef __CPU_H__
|
|---|
| 30 | #define __CPU_H__
|
|---|
| 31 |
|
|---|
| 32 | #include <arch/cpu.h>
|
|---|
| 33 | #include <proc/scheduler.h>
|
|---|
| 34 | #include <synch/spinlock.h>
|
|---|
| 35 | #include <synch/waitq.h>
|
|---|
| 36 | #include <arch/types.h>
|
|---|
| 37 | #include <typedefs.h>
|
|---|
| 38 | #include <arch/context.h>
|
|---|
| 39 | #include <config.h>
|
|---|
| 40 | #include <list.h>
|
|---|
| 41 |
|
|---|
| 42 | #define CPU_STACK_SIZE STACK_SIZE
|
|---|
| 43 |
|
|---|
| 44 | struct cpu {
|
|---|
| 45 | spinlock_t lock;
|
|---|
| 46 | context_t saved_context;
|
|---|
| 47 |
|
|---|
| 48 | volatile int nrdy;
|
|---|
| 49 | runq_t rq[RQ_COUNT];
|
|---|
| 50 | volatile int needs_relink;
|
|---|
| 51 |
|
|---|
| 52 | spinlock_t timeoutlock;
|
|---|
| 53 | link_t timeout_active_head;
|
|---|
| 54 |
|
|---|
| 55 | #ifdef __SMP__
|
|---|
| 56 | int kcpulbstarted;
|
|---|
| 57 | waitq_t kcpulb_wq;
|
|---|
| 58 | #endif /* __SMP__ */
|
|---|
| 59 |
|
|---|
| 60 | int id;
|
|---|
| 61 | int active;
|
|---|
| 62 | int tlb_active;
|
|---|
| 63 |
|
|---|
| 64 | __u16 frequency_mhz;
|
|---|
| 65 | __u32 delay_loop_const;
|
|---|
| 66 |
|
|---|
| 67 | cpu_arch_t arch;
|
|---|
| 68 |
|
|---|
| 69 | thread_t *fpu_owner;
|
|---|
| 70 |
|
|---|
| 71 | __u8 *stack;
|
|---|
| 72 | };
|
|---|
| 73 |
|
|---|
| 74 | /*
|
|---|
| 75 | * read/write by associated CPU
|
|---|
| 76 | * read only by other CPUs
|
|---|
| 77 | */
|
|---|
| 78 | struct cpu_private_data {
|
|---|
| 79 | thread_t *thread;
|
|---|
| 80 | task_t *task;
|
|---|
| 81 | };
|
|---|
| 82 |
|
|---|
| 83 | extern cpu_private_data_t *cpu_private_data;
|
|---|
| 84 | extern cpu_t *cpus;
|
|---|
| 85 |
|
|---|
| 86 | extern void cpu_init(void);
|
|---|
| 87 | extern void cpu_arch_init(void);
|
|---|
| 88 | extern void cpu_identify(void);
|
|---|
| 89 | extern void cpu_print_report(cpu_t *m);
|
|---|
| 90 |
|
|---|
| 91 | #endif
|
|---|
