00001 /* 00002 * Copyright (C) 2001-2004 Jakub Jermar 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 00009 * - Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * - Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * - The name of the author may not be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00018 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00019 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 00020 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 00021 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00022 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00023 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00024 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00026 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 */ 00028 00035 #ifndef __CPU_H__ 00036 #define __CPU_H__ 00037 00038 #include <arch/cpu.h> 00039 #include <proc/scheduler.h> 00040 #include <synch/spinlock.h> 00041 #include <synch/waitq.h> 00042 #include <arch/types.h> 00043 #include <typedefs.h> 00044 #include <arch/context.h> 00045 #include <config.h> 00046 #include <adt/list.h> 00047 #include <mm/tlb.h> 00048 00049 #define CPU_STACK_SIZE STACK_SIZE 00050 00055 struct cpu { 00056 SPINLOCK_DECLARE(lock); 00057 00058 tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN]; 00059 count_t tlb_messages_count; 00060 00061 context_t saved_context; 00062 00063 atomic_t nrdy; 00064 runq_t rq[RQ_COUNT]; 00065 volatile count_t needs_relink; 00066 00067 SPINLOCK_DECLARE(timeoutlock); 00068 link_t timeout_active_head; 00069 00070 count_t missed_clock_ticks; 00078 int id; 00079 00080 int active; 00081 int tlb_active; 00082 00083 __u16 frequency_mhz; 00084 __u32 delay_loop_const; 00085 00086 cpu_arch_t arch; 00087 00088 thread_t *fpu_owner; 00089 00093 __u8 *stack; 00094 }; 00095 00096 extern cpu_t *cpus; 00097 00098 extern void cpu_init(void); 00099 extern void cpu_list(void); 00100 00101 extern void cpu_arch_init(void); 00102 extern void cpu_identify(void); 00103 extern void cpu_print_report(cpu_t *m); 00104 00105 #endif 00106